CA1289597C - Manually actuated liquid sprayer - Google Patents
Manually actuated liquid sprayerInfo
- Publication number
- CA1289597C CA1289597C CA000538368A CA538368A CA1289597C CA 1289597 C CA1289597 C CA 1289597C CA 000538368 A CA000538368 A CA 000538368A CA 538368 A CA538368 A CA 538368A CA 1289597 C CA1289597 C CA 1289597C
- Authority
- CA
- Canada
- Prior art keywords
- nozzle
- plate
- spray
- wall
- orifice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/005—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1052—Actuation means
- B05B11/1056—Actuation means comprising rotatable or articulated levers
- B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
Abstract
A ported spray mitigating element is telescopically mounted on a nozzle of a liquid sprayer for enchancing the liquid spray in an extended position of the element and for shifting the element out of service when retracted.
Description
~289597 This invention relates generally to a manually actuated liquid sprayer having a telescopically mounted spray mitigating element capable of being manually shifted between out of service and in service positions.
Known pump sprayers have attachments of various types for mitigating or modulating the spray discharge especially for use as a foam dispenser. For example, U.S.
Patent No. 4,350,298 discloses a foam dispenser in which a nozzle cap is mounted for movement to a foam position, the cap having a plurality of arms lying in the path of the discharge spray plume and constituting an obstacle wall or spattering device with which the spray liquid from the orifice collides. The nozzle cap is shifted axially relative to the discharge orifice from an extended foaming position to a retracted position in which the discharge orifice is plugged closed. Otherwise, the nozzle cap may be hingedly mounted in place so as to be pivoted between foaming and non-foaming positions. Although the hinged nozzle cap permits the dispenser to be used as a normal sprayer as well a foamer, the hinged cap can be unwieldy and confusing for the operator in having to snap it into and out of place.
Another foamer is disclosed in U.S. Patent 4,219,159 as having a mesh screen or screens fixed in the path of discharge to facilitate liquid particle breakup on dispensing.
Known pump sprayers have attachments of various types for mitigating or modulating the spray discharge especially for use as a foam dispenser. For example, U.S.
Patent No. 4,350,298 discloses a foam dispenser in which a nozzle cap is mounted for movement to a foam position, the cap having a plurality of arms lying in the path of the discharge spray plume and constituting an obstacle wall or spattering device with which the spray liquid from the orifice collides. The nozzle cap is shifted axially relative to the discharge orifice from an extended foaming position to a retracted position in which the discharge orifice is plugged closed. Otherwise, the nozzle cap may be hingedly mounted in place so as to be pivoted between foaming and non-foaming positions. Although the hinged nozzle cap permits the dispenser to be used as a normal sprayer as well a foamer, the hinged cap can be unwieldy and confusing for the operator in having to snap it into and out of place.
Another foamer is disclosed in U.S. Patent 4,219,159 as having a mesh screen or screens fixed in the path of discharge to facilitate liquid particle breakup on dispensing.
- 2 -In U.S. Patent No. 4,463,905, a pump sprayer has a mesh screen hinged for movement between foaming and non-foaming positions.
Another manually actuated sprayer is disclosed in U.S. Patent 4,738,398. A ported baffle plate presents a gap with the wall containing the discharge orifice so as to define an unobstructed air plenum, the open port being sized to encircle the spray plume at the location of the baffle so that the spray plume substantially fills the port as air in the gap is driven through the port by impingement of the spray particles issuing from the orifice which thereby entrains air laterally from the plenum into the spray plume for creating a turblent effect which increases collisions between the spray particles, prevents any backflow of air through the port and adds air mass and mixing with the spray particles resulting in a finer and more consistent spray particle breakup.
Canadian Patent No. 1,045,595 discloses an adjustable foam generating sprayer having a nozzle unit forming a pressure reducing passageway defined by a tapered passageway portion and an adjoining elongated throat portion. The divergent stream issuing from the discharge orifice strikes progressively increasing areas of the outwardly tapered and throat portions of the pressure-reducing passageway as the position of the nozzle unit isadjusted relative to the orifice for adjusting the quality of the foam of the stream flowing from the nozzle unit. If little or no foaming action is desired, the nozzle unit is adjusted so that the widest portion of the diverging stream strikes the interior of the elongated throat portion.
However, none of the aforementioned foamers provides for mitigation or modulation of the divergent spray cone only in an extended position of a ported element which, when retracted in a direction parallel to the axis of the discharge orifice, produces no effect on the spray plume as it freely passes through the open port.
The manually actuated sprayer of the invention has a nozzle containing a discharge orifice located in an outer wall through which liquid is capable of being discharged in the form of a divergent liquid spray plume of a given size in forward direction. An element is mounted on the nozzle for movement parallel to the axis of the discharge orifice between retracted and extended positions relative to the outer wall which contains the orifice. The element has an open port coaxial with the discharge orifice and of a size greater than that of the discharge orifice. The element comprises means for mitigating the divergent spray, although such mitigating means has an effect on the spray only in the extended position of the element so as to produce a finer and more consistent spray particle breakup as the liquid ~289597 spray emerges from the forward side of the element. In the retracted position of the element, no mitigating effect on the divergent spray is produced as the liquid spray passes through the open port freely and out of contact with any portion of the retracted element.
The element is mounted on the nozzle for telescoping sliding movement, the nozzle having a plurality of spaced apart elongated openings parallel to the orifice, and the element having a like plurality of support legs received within such openings for relative sliding movement.
Co-operating stops acting between the support legs and the nozzle may be provided for limiting outward sliding movement of the element.
The element may comprise a ported baffle plate having opposed surfaces exposed to the atmosphere and presenting a gap with the nozzle outer wall in the extended position of the baffle plate so as to define an unobstructed air plenum including the adjacent atmosphere.
Otherwise, the element may comprise a frame having spaced arms supporting a central ring defining the open port, the arms and the rings serving as the mitigating means.
Still further, the element may comprise a frame supporting a mesh screen having an opening defining the open port, and in which the screen serves as the mitigating means.
Other advantages and novel features of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings, in which:-FIGURE 1 is a fragmentary side view of a pumpsprayer, partly in section, incorporating the invention;
FIGURES 2, 3, 4 and 5 are fragmentary perspective views of the Figure 1 sprayer respectively illustrating off, stream and two spray positions of the nozzle;
FIGURE 6 is an enlarged sectional view of the Figure 1 nozzle having an element according to one embodiment of the invention shown mounted thereon in a retracted and out of service position;
FIGURE 7 is a view similar to Figure 6 showing the element extended into a spray discharge plume enhancing position;
FIGURE 8 is a view taken substantially along the line 8-8 of Figure 7;
FIGURE 9 is a front view of another embodiment of the spray mitigating element of the invention;
FIGURES 10 and 11 are fragmentary sectional views, similar to Figures 6 and 7, of the Figure 9 element respectively in retracted and extended positions;
FIGURE 12 is a front view of another spray mitigating element of the invention; and FIGURES 13 and 14 are fragmentary sectional views, similar to Figures 10 and 11, of the Figure 12 element in its retracted and extended positions.
Turning now to the drawings wherein like reference characters refer to like and corresponding parts throughout the several views, a liquid dispenser 20 is shown in Figure 1 in the form of a manually operated trigger pump sprayer having a ported movable element 21 generally shown mounted thereon. However, the invention is likewise adapted for manually operated vertical action pump sprayers, foamable or squeeze bottle sprayers and aerosols.
A sprayer body 22 of the dispenser includes a pump cylinder 23 containing a reciprocable pump piston (not shown) manually reciprocated by a trigger actuator 24 hingedly mounted on the body. An oulet housing member 25 of the dispenser has a discharge conduit or passage 26 through which liquid product is adapted to pass during the pumping operation. A fixed, coaxial core or plug element 27 is formed in the outlet member, and a nozzle 28 is externally mounted on the end of the outlet member by a snap fit produced between an external rib 29 on member 25 and an internal groove 31 on the cap skirt. As more clearly shown in Figures 6, 7 and 8, the nozzle skirt is formed as having an inner cylinder 32, and outer flat walls 33 connected to cylinder 32 and together being of rectangular configuration.
` 1~289597 Internal groove 31 is formed in the inner surface of cylinder 32. The external flat walls of the nozzle facilitate manual rotation of the nozzle on the outlet member and may conveniently receive markings on each of four side walls, such as OFF, STREAM and SPRAY, as shown in Figures 2 to 5.
The nozzle cap has an outer or end wall 34 containing a discharge orifice 35 coaxial with member 27, and may be similar to that disclosed in U.S. Patent 4,618,077.
And, the dispenser may have a swirl or spin chamber to internally effect a vortex of the liquid product causing the product to discharge from orifice 35 as a spray plume typically in the form of a diverging spray cone. Spin mechanics which may be employed for producing a vortex of the liquid product is disclosed, for example, in U.S.
Patent 4,624,413. Other spin mechanics may be employed as for example disclosed in U.S. Patent 4,706,888.
Element 21, when in an extended position relative to outer wall 34, functions to mitigate or modulate the spray plume resulting in a finer and more consistent spray particle breakup in a manner to be described in more detail hereinafter for the several embodiments. Element 21 may be flat, as shown, so as to lie flatwise against outer flat wall 34 of the nozzle. Otherwise, if wall 34 of the nozzle or of a dispenser containing the discharge orifice were contoured, element 21 would be complementarily contoured.
Element 21 is telescopically mounted on the nozzle for movement between the retracted position of Figure 6 to its extended position of Figure 7. A plurality of support legs 36 on element 21 project into a like plurality of elongated openings 37 located in the nozzle and opening into outer wall 34. As shown in Figure 8, openings 37 are conveniently provided at the four corners between inner cylinder 32 and flat walls 33 of the cap skirt, although a different number of openings and support legs may be provided without departing from the invention. And, radial projections 38 may be formed on the outer wall of cylinder 32 of the cap so as to project into openings 37. Elongated slots 39 may be formed at the inner sides of support legs 36 for receiving each projection 38, end walls of the slots being matched to and engaging projections 38 for limiting the outward extent of element 21 to its Figure 7 position.
Element 21 may extend outwardly of one or more side walls 33 of the nozzle, as at 41, so as to provide gripping means for facilitating manual sliding movement of the element. And, in the embodiment of Figures 6 and 7, element 21 is in the form of a baffle plate having an open port 42 therein coaxial with the discharge orifice, and of a size greater than that of orifice 35.
g 128959~
As in accordance with U.S. Patent 4,624,413, or in accordance with the aforementioned U.S. Patent 4,706,888, the nozzle is rotatable about its central axis into the OFF
position of Figure 2 in which discharge through the orifice is closed. Rotation of the nozzle through 360 in either direction in 90 increments closes off or selects the discharge. Rotation of the nozzle through 90 from the OFF
position in one direction, as in Figure 3, facilitates discharge of product, during pumping, such as a stream, and rotation of the nozzle into its spray position of Figure 4 facilitates discharge of product in the form of a divergent liquid spray plume 43. The coaxial open port 42 of element 21 is sized relative to that of the spray plume such that the baffle plate has no effect on the liquid spray which freely passes through the coaxial open port without contacting any portion of element 21 in its retracted position of Figure 6. The liquid product discharged as spray plume 43 is of a given size depending on the nature of the liquid being discharged, the size and distance of the target area, the discharge pressure and volume, etc. Thus, with the baffle plate retracted in its position of Figures 4 and 6, spray discharge is carried out in the normal fashion.
When in the Figure 4 spray position of the nozzle, the baffle plate may be pulled outwardly, as shown in Figure 5, into a position spaced from outer wall 34 of the nozzle ~89597 for enhancing the spray discharge resulting in a finer and more consistent spray particle breakup. This mitigating effect is the same as that described in detail in U.S.
Patent 4,738,398. Thus, the size of open port 42 is designed to approximate the size and/or divergence angle of spray plume 43 at a given outwardly extended position of the ported baffle. In this extended position, the opposed surfaces of the ported baffle are exposed to the atmosphere, and the plate presents a gap with outer wall 34 so as to define an unobstructed air plenum which includes the adjacent atmosphere. The spray plume is thus caused to jump the gap between the discharge orifice and port 42 in the baffle plate. By sizing the port to suit the size and/or divergence angle of the discharge plume, air in the gap is driven through port 42 by impingement of the spray particles and entrainment of the air into the plume from the gap. The provision of an external baffle plate with an appropriately sized port causes a controlled, induced air flow into that portion of the discharge plume immediately as it emerges from the discharge orifice to add turbulence transverse to the discharge axis. This will increase the collisions between the spray particles and the discharge and add air mass and mixing, resulting in a finer, more consistent liquid 128959~
particle breakup. If the product discharge is a foamable product or has a foaming ingredient, the ported baffle will cause the discharge to be converted to a foam as it emerges from the baffle port. Should the discharge be converted from a divergent cone to a stream 43 (upon nozzle rotation), or to a narrower spray which does not bear the correct functional relationship to the port in the baffle, or if the ported baffle is partially extended so that its open port does not bear the correct functional relationship to the size and/or divergence angle of the discharge plume, then the enhancement factor is not in effect and the discharge plume or stream is essentially unaffected.
The gap is part of an air plenum 44 into which induced air is caused to flow laterally to the axis of the discharge plume as represented by the air arrows in Figure 7. This air plenum should be free of any obstructions which would prevent an unobstructed flow of air, without interference, transversely to the plume access for creating a turbulent effect which increases collisions between the spray particles immediately upon the spray issuing from the discharge orifice. Support legs 36 present no appreciable obstruction to the flow of air into the air plenum since the total cross sectional area of the legs represents less than about 1% of the total cross sectional area of the air plenum.
For the purpose of accommodating various physical properties, spray, and/or foamability characteristics coupled with the different operating pressures generated by different users, the size of the baffle port and the thickness of the baffle plate in the region of the open port will be chosen for a typical application having some range of effectiveness. Thus, the baffle plate may be provided with a thickened central portion 45 in the region of the open port 42, and the parameters as to the size of the gap between the discharge orifice and the baffle plate, the size of the baffle port, etc., will be configured depending on the nature of the fluid being discharged, the size and distance of the target area, the discharge pressure and volume, etc. Nevertheless, the open port, with or without thickened portion 45, will be sized relative to that of the spray plume such that the baffle plate has no effect on the liquid spray in the retracted position of the plate shown in Figure 6.
Although discharge orifice 35 and open port 42 are illustrated as straight cylindrical sections, the orifice and/or port may be made outwardly converging, and/or outwardly diverging or combinations thereof, without departing from the invention. The various shapes of the discharge orifice and open port will be dictated by the nature of the liquid being discharged, the size and distance of the target area, the discharge pressure and volume, the effect desired, etc.
~ igure 9 illustrates another embodiment of the mitigating element, designated 21A, in the form of a frame 46 having a plurality of spaced arms 47 supporting a central ring 48 which defines open port 42. The arms may be in a cruciform configuration as shown, or may be in any other configuration, without departing from the invention. In the retracted position of Figure 10, mitigating element 21A has no effect on spray plume 43 which, as described in reference to Figure 6, passes through open port 42 without contacting any portion of the element. Element 21A has support legs 36 extending into openings 37 of the nozzle cap for telescoping sliding movement in the same manner as described with reference to Figures 6 and 7. When element 21A is pulled outwardly into its extended position of Eigure 11, ring 48 and arms 47 will lie in the path of the divergent spray cone and thus form an obstacle against which the spray impinges for producing particle breakup similarly as that described in U.S. Patent No. 4,350,298. Thus, a finer and more consistent spray particle breakup is produced as the liquid spray emerges from the forward side of element 21A. Of course, if the liquid product discharged has a foaming ingredient or is otherwise foamable, the discharge will emerge as a foam.
Another embodiment of the movable mitigating element is shown in Figure 12 in which element 21B comprises a frame 49 supporting a grid such as a mesh screen 51 having ~289597 an opening which defines open port 42. This opening may be delimited by a ring 52 or the like. Again, in the retracted position of Figure 13, element 21B has no effect on the divergent spray plume issuing from the discharge orifice which freely passes through open port 42 without contacting any portion of the element. Enlarged corner sections of frame 49 support legs 36 for telescopically mounting the element in place, in the same manner as aforedescribed. In the extended position of Figure 14, the mesh screen lies in the path of the divergent spray cone for thereby mitigating the spray as it impinges against the mesh and emerges from forward end thereof as a fine spray or foam as a finer and more consistent spray particle breakup is produced which may be similar to that disclosed in U.S. Patents 4,219,159 and 4,463,905.
From the foregoing, it can be seen that a simple and economical yet highly reliable spray mitigating element is provided for a liquid sprayer and is capable of being placed in and out of service by telescopically mounting it to the nozzle cap.
Obviously, many other modifications and variations of the present invention are made possible in the light of the above teachings. It is therefore to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
'
Another manually actuated sprayer is disclosed in U.S. Patent 4,738,398. A ported baffle plate presents a gap with the wall containing the discharge orifice so as to define an unobstructed air plenum, the open port being sized to encircle the spray plume at the location of the baffle so that the spray plume substantially fills the port as air in the gap is driven through the port by impingement of the spray particles issuing from the orifice which thereby entrains air laterally from the plenum into the spray plume for creating a turblent effect which increases collisions between the spray particles, prevents any backflow of air through the port and adds air mass and mixing with the spray particles resulting in a finer and more consistent spray particle breakup.
Canadian Patent No. 1,045,595 discloses an adjustable foam generating sprayer having a nozzle unit forming a pressure reducing passageway defined by a tapered passageway portion and an adjoining elongated throat portion. The divergent stream issuing from the discharge orifice strikes progressively increasing areas of the outwardly tapered and throat portions of the pressure-reducing passageway as the position of the nozzle unit isadjusted relative to the orifice for adjusting the quality of the foam of the stream flowing from the nozzle unit. If little or no foaming action is desired, the nozzle unit is adjusted so that the widest portion of the diverging stream strikes the interior of the elongated throat portion.
However, none of the aforementioned foamers provides for mitigation or modulation of the divergent spray cone only in an extended position of a ported element which, when retracted in a direction parallel to the axis of the discharge orifice, produces no effect on the spray plume as it freely passes through the open port.
The manually actuated sprayer of the invention has a nozzle containing a discharge orifice located in an outer wall through which liquid is capable of being discharged in the form of a divergent liquid spray plume of a given size in forward direction. An element is mounted on the nozzle for movement parallel to the axis of the discharge orifice between retracted and extended positions relative to the outer wall which contains the orifice. The element has an open port coaxial with the discharge orifice and of a size greater than that of the discharge orifice. The element comprises means for mitigating the divergent spray, although such mitigating means has an effect on the spray only in the extended position of the element so as to produce a finer and more consistent spray particle breakup as the liquid ~289597 spray emerges from the forward side of the element. In the retracted position of the element, no mitigating effect on the divergent spray is produced as the liquid spray passes through the open port freely and out of contact with any portion of the retracted element.
The element is mounted on the nozzle for telescoping sliding movement, the nozzle having a plurality of spaced apart elongated openings parallel to the orifice, and the element having a like plurality of support legs received within such openings for relative sliding movement.
Co-operating stops acting between the support legs and the nozzle may be provided for limiting outward sliding movement of the element.
The element may comprise a ported baffle plate having opposed surfaces exposed to the atmosphere and presenting a gap with the nozzle outer wall in the extended position of the baffle plate so as to define an unobstructed air plenum including the adjacent atmosphere.
Otherwise, the element may comprise a frame having spaced arms supporting a central ring defining the open port, the arms and the rings serving as the mitigating means.
Still further, the element may comprise a frame supporting a mesh screen having an opening defining the open port, and in which the screen serves as the mitigating means.
Other advantages and novel features of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings, in which:-FIGURE 1 is a fragmentary side view of a pumpsprayer, partly in section, incorporating the invention;
FIGURES 2, 3, 4 and 5 are fragmentary perspective views of the Figure 1 sprayer respectively illustrating off, stream and two spray positions of the nozzle;
FIGURE 6 is an enlarged sectional view of the Figure 1 nozzle having an element according to one embodiment of the invention shown mounted thereon in a retracted and out of service position;
FIGURE 7 is a view similar to Figure 6 showing the element extended into a spray discharge plume enhancing position;
FIGURE 8 is a view taken substantially along the line 8-8 of Figure 7;
FIGURE 9 is a front view of another embodiment of the spray mitigating element of the invention;
FIGURES 10 and 11 are fragmentary sectional views, similar to Figures 6 and 7, of the Figure 9 element respectively in retracted and extended positions;
FIGURE 12 is a front view of another spray mitigating element of the invention; and FIGURES 13 and 14 are fragmentary sectional views, similar to Figures 10 and 11, of the Figure 12 element in its retracted and extended positions.
Turning now to the drawings wherein like reference characters refer to like and corresponding parts throughout the several views, a liquid dispenser 20 is shown in Figure 1 in the form of a manually operated trigger pump sprayer having a ported movable element 21 generally shown mounted thereon. However, the invention is likewise adapted for manually operated vertical action pump sprayers, foamable or squeeze bottle sprayers and aerosols.
A sprayer body 22 of the dispenser includes a pump cylinder 23 containing a reciprocable pump piston (not shown) manually reciprocated by a trigger actuator 24 hingedly mounted on the body. An oulet housing member 25 of the dispenser has a discharge conduit or passage 26 through which liquid product is adapted to pass during the pumping operation. A fixed, coaxial core or plug element 27 is formed in the outlet member, and a nozzle 28 is externally mounted on the end of the outlet member by a snap fit produced between an external rib 29 on member 25 and an internal groove 31 on the cap skirt. As more clearly shown in Figures 6, 7 and 8, the nozzle skirt is formed as having an inner cylinder 32, and outer flat walls 33 connected to cylinder 32 and together being of rectangular configuration.
` 1~289597 Internal groove 31 is formed in the inner surface of cylinder 32. The external flat walls of the nozzle facilitate manual rotation of the nozzle on the outlet member and may conveniently receive markings on each of four side walls, such as OFF, STREAM and SPRAY, as shown in Figures 2 to 5.
The nozzle cap has an outer or end wall 34 containing a discharge orifice 35 coaxial with member 27, and may be similar to that disclosed in U.S. Patent 4,618,077.
And, the dispenser may have a swirl or spin chamber to internally effect a vortex of the liquid product causing the product to discharge from orifice 35 as a spray plume typically in the form of a diverging spray cone. Spin mechanics which may be employed for producing a vortex of the liquid product is disclosed, for example, in U.S.
Patent 4,624,413. Other spin mechanics may be employed as for example disclosed in U.S. Patent 4,706,888.
Element 21, when in an extended position relative to outer wall 34, functions to mitigate or modulate the spray plume resulting in a finer and more consistent spray particle breakup in a manner to be described in more detail hereinafter for the several embodiments. Element 21 may be flat, as shown, so as to lie flatwise against outer flat wall 34 of the nozzle. Otherwise, if wall 34 of the nozzle or of a dispenser containing the discharge orifice were contoured, element 21 would be complementarily contoured.
Element 21 is telescopically mounted on the nozzle for movement between the retracted position of Figure 6 to its extended position of Figure 7. A plurality of support legs 36 on element 21 project into a like plurality of elongated openings 37 located in the nozzle and opening into outer wall 34. As shown in Figure 8, openings 37 are conveniently provided at the four corners between inner cylinder 32 and flat walls 33 of the cap skirt, although a different number of openings and support legs may be provided without departing from the invention. And, radial projections 38 may be formed on the outer wall of cylinder 32 of the cap so as to project into openings 37. Elongated slots 39 may be formed at the inner sides of support legs 36 for receiving each projection 38, end walls of the slots being matched to and engaging projections 38 for limiting the outward extent of element 21 to its Figure 7 position.
Element 21 may extend outwardly of one or more side walls 33 of the nozzle, as at 41, so as to provide gripping means for facilitating manual sliding movement of the element. And, in the embodiment of Figures 6 and 7, element 21 is in the form of a baffle plate having an open port 42 therein coaxial with the discharge orifice, and of a size greater than that of orifice 35.
g 128959~
As in accordance with U.S. Patent 4,624,413, or in accordance with the aforementioned U.S. Patent 4,706,888, the nozzle is rotatable about its central axis into the OFF
position of Figure 2 in which discharge through the orifice is closed. Rotation of the nozzle through 360 in either direction in 90 increments closes off or selects the discharge. Rotation of the nozzle through 90 from the OFF
position in one direction, as in Figure 3, facilitates discharge of product, during pumping, such as a stream, and rotation of the nozzle into its spray position of Figure 4 facilitates discharge of product in the form of a divergent liquid spray plume 43. The coaxial open port 42 of element 21 is sized relative to that of the spray plume such that the baffle plate has no effect on the liquid spray which freely passes through the coaxial open port without contacting any portion of element 21 in its retracted position of Figure 6. The liquid product discharged as spray plume 43 is of a given size depending on the nature of the liquid being discharged, the size and distance of the target area, the discharge pressure and volume, etc. Thus, with the baffle plate retracted in its position of Figures 4 and 6, spray discharge is carried out in the normal fashion.
When in the Figure 4 spray position of the nozzle, the baffle plate may be pulled outwardly, as shown in Figure 5, into a position spaced from outer wall 34 of the nozzle ~89597 for enhancing the spray discharge resulting in a finer and more consistent spray particle breakup. This mitigating effect is the same as that described in detail in U.S.
Patent 4,738,398. Thus, the size of open port 42 is designed to approximate the size and/or divergence angle of spray plume 43 at a given outwardly extended position of the ported baffle. In this extended position, the opposed surfaces of the ported baffle are exposed to the atmosphere, and the plate presents a gap with outer wall 34 so as to define an unobstructed air plenum which includes the adjacent atmosphere. The spray plume is thus caused to jump the gap between the discharge orifice and port 42 in the baffle plate. By sizing the port to suit the size and/or divergence angle of the discharge plume, air in the gap is driven through port 42 by impingement of the spray particles and entrainment of the air into the plume from the gap. The provision of an external baffle plate with an appropriately sized port causes a controlled, induced air flow into that portion of the discharge plume immediately as it emerges from the discharge orifice to add turbulence transverse to the discharge axis. This will increase the collisions between the spray particles and the discharge and add air mass and mixing, resulting in a finer, more consistent liquid 128959~
particle breakup. If the product discharge is a foamable product or has a foaming ingredient, the ported baffle will cause the discharge to be converted to a foam as it emerges from the baffle port. Should the discharge be converted from a divergent cone to a stream 43 (upon nozzle rotation), or to a narrower spray which does not bear the correct functional relationship to the port in the baffle, or if the ported baffle is partially extended so that its open port does not bear the correct functional relationship to the size and/or divergence angle of the discharge plume, then the enhancement factor is not in effect and the discharge plume or stream is essentially unaffected.
The gap is part of an air plenum 44 into which induced air is caused to flow laterally to the axis of the discharge plume as represented by the air arrows in Figure 7. This air plenum should be free of any obstructions which would prevent an unobstructed flow of air, without interference, transversely to the plume access for creating a turbulent effect which increases collisions between the spray particles immediately upon the spray issuing from the discharge orifice. Support legs 36 present no appreciable obstruction to the flow of air into the air plenum since the total cross sectional area of the legs represents less than about 1% of the total cross sectional area of the air plenum.
For the purpose of accommodating various physical properties, spray, and/or foamability characteristics coupled with the different operating pressures generated by different users, the size of the baffle port and the thickness of the baffle plate in the region of the open port will be chosen for a typical application having some range of effectiveness. Thus, the baffle plate may be provided with a thickened central portion 45 in the region of the open port 42, and the parameters as to the size of the gap between the discharge orifice and the baffle plate, the size of the baffle port, etc., will be configured depending on the nature of the fluid being discharged, the size and distance of the target area, the discharge pressure and volume, etc. Nevertheless, the open port, with or without thickened portion 45, will be sized relative to that of the spray plume such that the baffle plate has no effect on the liquid spray in the retracted position of the plate shown in Figure 6.
Although discharge orifice 35 and open port 42 are illustrated as straight cylindrical sections, the orifice and/or port may be made outwardly converging, and/or outwardly diverging or combinations thereof, without departing from the invention. The various shapes of the discharge orifice and open port will be dictated by the nature of the liquid being discharged, the size and distance of the target area, the discharge pressure and volume, the effect desired, etc.
~ igure 9 illustrates another embodiment of the mitigating element, designated 21A, in the form of a frame 46 having a plurality of spaced arms 47 supporting a central ring 48 which defines open port 42. The arms may be in a cruciform configuration as shown, or may be in any other configuration, without departing from the invention. In the retracted position of Figure 10, mitigating element 21A has no effect on spray plume 43 which, as described in reference to Figure 6, passes through open port 42 without contacting any portion of the element. Element 21A has support legs 36 extending into openings 37 of the nozzle cap for telescoping sliding movement in the same manner as described with reference to Figures 6 and 7. When element 21A is pulled outwardly into its extended position of Eigure 11, ring 48 and arms 47 will lie in the path of the divergent spray cone and thus form an obstacle against which the spray impinges for producing particle breakup similarly as that described in U.S. Patent No. 4,350,298. Thus, a finer and more consistent spray particle breakup is produced as the liquid spray emerges from the forward side of element 21A. Of course, if the liquid product discharged has a foaming ingredient or is otherwise foamable, the discharge will emerge as a foam.
Another embodiment of the movable mitigating element is shown in Figure 12 in which element 21B comprises a frame 49 supporting a grid such as a mesh screen 51 having ~289597 an opening which defines open port 42. This opening may be delimited by a ring 52 or the like. Again, in the retracted position of Figure 13, element 21B has no effect on the divergent spray plume issuing from the discharge orifice which freely passes through open port 42 without contacting any portion of the element. Enlarged corner sections of frame 49 support legs 36 for telescopically mounting the element in place, in the same manner as aforedescribed. In the extended position of Figure 14, the mesh screen lies in the path of the divergent spray cone for thereby mitigating the spray as it impinges against the mesh and emerges from forward end thereof as a fine spray or foam as a finer and more consistent spray particle breakup is produced which may be similar to that disclosed in U.S. Patents 4,219,159 and 4,463,905.
From the foregoing, it can be seen that a simple and economical yet highly reliable spray mitigating element is provided for a liquid sprayer and is capable of being placed in and out of service by telescopically mounting it to the nozzle cap.
Obviously, many other modifications and variations of the present invention are made possible in the light of the above teachings. It is therefore to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
'
Claims (7)
1. A manually actuated liquid sprayer having a nozzle containing a discharge orifice located in an outer wall through which liquid is capable of being discharged in the form of a divergent liquid spray plume of a given size in a forward direction, a ported baffle plate having a single open port coaxial with said orifice and of a size greater than that of said orifice, said plate being mounted on said nozzle for movement parallel to the axis of said discharge orifice between retracted and extended positions relative to said outer wall, and said ported baffle plate having opposed surfaces exposed to the atmosphere and presenting a gap with said outer wall in said extended position so as to define an unobstructed air plenum which includes the adjacent atmosphere to thereby effect mitigation of the divergent spray, said open port being sized relative to that of said spray plume such that there is no mitigating effect on the liquid spray as it passes through said open port without influence from any portion thereof in the retracted position of said plate, and such that the mitigation is effected only as said plate is extended to a position forward of said nozzle outer wall to produce the intended modulation of the spray which emerges from the forward side of said plate.
2. A manually actuated liquid sprayer having a nozzle containing a discharge orifice located in an outer wall through which liquid is capable of being discharged in the of a divergent liquid spray plume of a given size in a forward direction, a perforate plate having a plurality of through openings and having a single open port coaxial with said orifice and of a size greater than that of said orifice, said plate being mounted on said nozzle for movement parallel to the axis of said discharge orifice between retracted and extended positions relative to said outer wall, and said plate comprising means for mitigating the divergent spray, said open port being sized relative to that of said spray plume such that said mitigating means has no effect on the liquid spray as it passes through said open port without influence from any portion thereof in the retracted position of said plate, and such that said mitigating means is engaged only as said plate is extended to a position forward of said nozzle outer wall to produce the intended modulation of the spray which emerges from the forward side of said plate.
3. The sprayer according to claims 1 or 2, wherein said plate is telescopically mounted for sliding movement on said nozzle.
4. The sprayer according to claims 1 or 2, wherein said nozzle has a plurality of spaced apart elongated openings lying parallel to said orifice and opening into said outer wall, said plate having a plurality of support legs received within said openings for telescoping sliding movement on said nozzle.
5. The sprayer according to claims 1 or 2 wherein said nozzle has a plurality of spaced apart elongated openings lying parallel to said orifice and opening into said outer wall, said plate having a plurality of support legs received within said openings for telescoping sliding movement on said nozzle, cooperating stop means acting between said legs and said nozzle limiting outward sliding movement of said plate.
6. The sprayer according to claim 2, wherein said perforate plate comprises a frame having spaced arms supporting a central ring defining said open port, said arms and said ring constituting said mitigating means.
7. The sprayer according to claim 2, wherein said perforate plate comprises a frame supporting a mesh screen having an opening defining said open port, said screen constituting said mitigating means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US895,368 | 1986-08-11 | ||
| US06/895,368 US4779803A (en) | 1986-08-11 | 1986-08-11 | Manually actuated liquid sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1289597C true CA1289597C (en) | 1991-09-24 |
Family
ID=25404414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000538368A Expired - Lifetime CA1289597C (en) | 1986-08-11 | 1987-05-29 | Manually actuated liquid sprayer |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4779803A (en) |
| EP (1) | EP0256639B1 (en) |
| JP (1) | JPS6349269A (en) |
| KR (1) | KR880002575A (en) |
| AU (1) | AU600947B2 (en) |
| CA (1) | CA1289597C (en) |
| DE (1) | DE3778090D1 (en) |
| DK (1) | DK282087A (en) |
| ES (1) | ES2031128T3 (en) |
| HK (1) | HK185795A (en) |
| MX (1) | MX163758B (en) |
| PT (1) | PT85042B (en) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883227A (en) * | 1986-01-10 | 1989-11-28 | Afa Products, Inc. | Foamer nozzle assembly with air passageway |
| US4890792A (en) * | 1988-02-19 | 1990-01-02 | Afa Products Inc. | Nozzle assembly |
| EP0376845B1 (en) * | 1988-12-29 | 1994-06-15 | Toto Ltd. | A whirlpool bath with an inverter-controlled circulating pump |
| EP0376844B1 (en) * | 1988-12-29 | 1994-08-10 | Toto Ltd. | Injection nozzle for automatically varying the volume of water injected |
| GR1000739B (en) * | 1989-05-09 | 1992-12-30 | Afa Products Inc | Nozzle unit |
| US5234167A (en) * | 1989-11-16 | 1993-08-10 | Afa Products, Inc. | One-piece foamer nozzle |
| US5267692A (en) * | 1989-11-16 | 1993-12-07 | Afa Products Inc. | Adjustable nozzle assembly |
| US4991778A (en) * | 1989-11-16 | 1991-02-12 | Afa Products, Inc. | Adjustable nozzle assembly |
| US4989790A (en) * | 1989-12-26 | 1991-02-05 | Afa Products, Inc. | Nozzle cap, spring valve and body assembly |
| US5054692A (en) * | 1990-06-05 | 1991-10-08 | Contico Internation, Inc. | Fluid discharge apparatus |
| WO1992006792A1 (en) * | 1990-10-12 | 1992-04-30 | Yoshino Kogyosho Co., Ltd. | Foaming nozzle to be mounted on atomizer |
| DK253890D0 (en) * | 1990-10-22 | 1990-10-22 | Aqua Flow Aps | RADIATES TO WATER HOSE |
| US5232632A (en) * | 1991-05-09 | 1993-08-03 | The Procter & Gamble Company | Foam liquid hard surface detergent composition |
| US5158233A (en) * | 1991-10-07 | 1992-10-27 | Contico International, Inc. | Foamer trigger dispenser with sealing device |
| US5323935A (en) * | 1992-02-21 | 1994-06-28 | The Procter & Gamble Company | Consumer product package incorporating a spray device utilizing large diameter bubbles |
| US5373991A (en) * | 1993-04-09 | 1994-12-20 | Contico International, Inc. | Foamer trigger dispenser with sealing device |
| US5405057A (en) * | 1993-10-21 | 1995-04-11 | Moore; David G. | Manually actuated pump |
| US5431345A (en) * | 1993-11-12 | 1995-07-11 | The Procter & Gamble Company | Foam dispensing system for a foamable liquid |
| US5397060A (en) * | 1994-01-21 | 1995-03-14 | Afa Products, Inc. | Foam-spray-off trigger sprayer |
| US5593670A (en) * | 1994-08-12 | 1997-01-14 | The Proctor & Gamble Company | Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces |
| US5663134A (en) * | 1994-08-12 | 1997-09-02 | The Procter & Gamble Company | Composition for reducing malodor impression on inanimate surfaces |
| US5578563A (en) * | 1994-08-12 | 1996-11-26 | The Procter & Gamble Company | Composition for reducing malodor impression on inanimate surfaces |
| US5939060A (en) * | 1994-08-12 | 1999-08-17 | The Procter & Gamble Company | Composition for reducing malodor impression on inanimate surfaces |
| US5534165A (en) * | 1994-08-12 | 1996-07-09 | The Procter & Gamble Company | Fabric treating composition containing beta-cyclodextrin and essentially free of perfume |
| US5714137A (en) * | 1994-08-12 | 1998-02-03 | The Procter & Gamble Company | Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces |
| US5668097A (en) * | 1994-08-12 | 1997-09-16 | The Procter & Gamble Company | Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces |
| US5670475A (en) * | 1994-08-12 | 1997-09-23 | The Procter & Gamble Company | Composition for reducing malodor impression of inanimate surfaces |
| US5647539A (en) * | 1994-12-01 | 1997-07-15 | Calmar Inc. | Foamer nozzle assembly for trigger sprayer |
| JP3566368B2 (en) * | 1994-12-09 | 2004-09-15 | 株式会社吉野工業所 | Spring member of trigger sprayer |
| US5593094A (en) * | 1995-02-07 | 1997-01-14 | Calmar Inc. | Pump sprayer having variable discharge |
| US5678765A (en) * | 1995-06-13 | 1997-10-21 | Calmar Inc. | Foam/spray nozzle assembly for trigger sprayer |
| US5755384A (en) * | 1995-08-01 | 1998-05-26 | Contico International, Inc. | Dispenser with selectable discharge nozzle |
| US6158624A (en) * | 1997-08-07 | 2000-12-12 | The Clayton Corporation | Foam dispensing gun |
| GB2329134B (en) * | 1997-08-15 | 2001-02-14 | Reckitt & Colman Inc | Improvements to apparatus |
| US6126090A (en) * | 1999-01-12 | 2000-10-03 | Calmar Inc. | Nozzle cap for trigger sprayer |
| US6290484B1 (en) | 1999-07-14 | 2001-09-18 | Collins & Aikman Plastics, Inc. | Foam transport article |
| US7645746B1 (en) | 2000-11-13 | 2010-01-12 | The Procter & Gamble Company | Composition for reducing malodor impression on inanimate surfaces |
| US6382527B1 (en) | 2001-01-03 | 2002-05-07 | Owens-Illinois Closure Inc. | Hand-activated dispensing pump having sprayer/foamer selector wheel |
| US6446882B1 (en) | 2001-02-02 | 2002-09-10 | Owens-Illinois Closure Inc. | Trigger sprayer having sprayer/foamer selector nozzle cap |
| KR100483682B1 (en) * | 2001-05-07 | 2005-04-18 | 셍-고벵 칼마 인코퍼레이티드 | Fluid dispenser with child-resistant nozzle assembly |
| US7017833B2 (en) * | 2003-02-04 | 2006-03-28 | Continental Afa Dispensing Company | Trigger sprayer spray, off, stream, off indexing nozzle assembly |
| US6997397B1 (en) * | 2003-04-08 | 2006-02-14 | Continental Afa Dispensing Company | Trigger sprayer nozzle |
| US7222802B2 (en) * | 2003-05-23 | 2007-05-29 | Meadwestvaco Corporation | Dual sprayer with external mixing chamber |
| RU2258568C1 (en) | 2004-04-20 | 2005-08-20 | Карпышев Александр Владимирович | Liquid sprayer |
| DE102005024612A1 (en) * | 2005-05-25 | 2006-11-30 | Wella Ag | Spray head with a nozzle insert |
| US7303150B2 (en) * | 2005-11-22 | 2007-12-04 | Meadwestvaco Corporation | Foam and spray nozzles having a hinged door and a trigger dispenser incorporating same |
| US20070132149A1 (en) * | 2005-11-29 | 2007-06-14 | Hildebrand George R | Methods of making foam nozzles for trigger dispensers |
| US20090256008A1 (en) * | 2008-04-11 | 2009-10-15 | Continentalafa Dispensing Company | Trigger Sprayer Nozzle Assembly with Pull/Push Foaming Tube |
| US20100108782A1 (en) * | 2008-10-30 | 2010-05-06 | Living Fountain Plastic Industrial Co., Ltd. | Foam nozzle for assembly onto a trigger-type sprayer |
| US8844841B2 (en) * | 2009-03-19 | 2014-09-30 | S.C. Johnson & Son, Inc. | Nozzle assembly for liquid dispenser |
| IT1396359B1 (en) * | 2009-10-29 | 2012-11-19 | Guala Dispensing Spa | HEAD OF A DISTRIBUTION DEVICE FOR A NOZZLE LIQUID WITH OPERATING INDICATION. |
| US9546346B2 (en) | 2011-04-07 | 2017-01-17 | The Dial Corporation | Use of polyethylene glycol to control the spray pattern of sprayable liquid abrasive cleansers |
| US20160288147A1 (en) * | 2013-03-25 | 2016-10-06 | S.C. Johnson & Son, Inc. | Fluid Dispenser and Method of Forming Fluid Dispenser |
| DE102015120280A1 (en) | 2015-11-24 | 2017-05-24 | Werma Holding Gmbh + Co. Kg | Signal device with light module |
| US10989356B2 (en) | 2016-08-31 | 2021-04-27 | Raytheon Technologies Corporation | Self-retaining oil nozzle |
| US9939107B2 (en) | 2016-08-31 | 2018-04-10 | United Technologies Corporation | Self-retaining oil nozzle |
| CN107042174A (en) * | 2017-04-14 | 2017-08-15 | 宁波大叶园林工业有限公司 | Improved automatic unlocking type gardens hydraulic giant |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1354641A (en) * | 1919-10-30 | 1920-10-05 | Paul F Zietlow | Combined atomizer and vaporizer |
| US2717614A (en) * | 1953-04-15 | 1955-09-13 | George N Palivos | Fluid mixer |
| US3843030A (en) * | 1972-08-09 | 1974-10-22 | Leeds & Micallef | Multiple purpose nozzle |
| US4013228A (en) * | 1974-11-14 | 1977-03-22 | Chemtrust Industries Corporation | Foam generating sprayer apparatus |
| US3964689A (en) * | 1975-04-10 | 1976-06-22 | S. C. Johnson & Son, Inc. | Hose-end dispenser device |
| US3961754A (en) * | 1975-09-12 | 1976-06-08 | Economics Laboratory, Inc. | Spray and foam producing nozzle apparatus |
| JPS5286858A (en) * | 1976-01-10 | 1977-07-19 | Tsd Kk | Shower |
| GB1532736A (en) * | 1976-03-23 | 1978-11-22 | Chemtrust Ind Corp | Foam generating sprayer apparatus |
| US4463905A (en) * | 1978-06-27 | 1984-08-07 | The Dow Chemical Company | Foam-generating pump sprayer |
| CA1090748A (en) * | 1978-06-27 | 1980-12-02 | Paul R. Stoesser | Foam-generating device for a pump sprayer |
| US4219159A (en) * | 1979-01-05 | 1980-08-26 | The Afa Corporation | Foam device |
| EP0024333B1 (en) * | 1979-08-16 | 1984-03-07 | Canyon Corporation | Foam dispenser |
| US4252276A (en) * | 1979-10-09 | 1981-02-24 | Wm. Steinen Mfg. Co. | Adapter for nozzle to provide a modified spray pattern |
| US4365751A (en) * | 1980-09-26 | 1982-12-28 | Yoshino Kogyosho Co., Ltd. | Trigger type liquid injector |
| US4494699A (en) * | 1981-10-21 | 1985-01-22 | Hengesbach Robert W | Adjustable spray nozzle |
| JPS6033560A (en) * | 1983-08-05 | 1985-02-20 | Tomoegawa Paper Co Ltd | Electrostatic recording body |
-
1986
- 1986-08-11 US US06/895,368 patent/US4779803A/en not_active Expired - Lifetime
-
1987
- 1987-05-29 AU AU73626/87A patent/AU600947B2/en not_active Ceased
- 1987-05-29 CA CA000538368A patent/CA1289597C/en not_active Expired - Lifetime
- 1987-06-02 DK DK282087A patent/DK282087A/en not_active Application Discontinuation
- 1987-06-08 PT PT85042A patent/PT85042B/en not_active IP Right Cessation
- 1987-06-08 KR KR870005801A patent/KR880002575A/en not_active Application Discontinuation
- 1987-06-09 MX MX6827A patent/MX163758B/en unknown
- 1987-06-09 JP JP62143970A patent/JPS6349269A/en active Pending
- 1987-06-22 ES ES198787305498T patent/ES2031128T3/en not_active Expired - Lifetime
- 1987-06-22 EP EP87305498A patent/EP0256639B1/en not_active Expired - Lifetime
- 1987-06-22 DE DE8787305498T patent/DE3778090D1/en not_active Expired - Lifetime
-
1995
- 1995-12-07 HK HK185795A patent/HK185795A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PT85042B (en) | 1993-07-30 |
| EP0256639A2 (en) | 1988-02-24 |
| JPS6349269A (en) | 1988-03-02 |
| KR880002575A (en) | 1988-05-09 |
| EP0256639A3 (en) | 1989-12-06 |
| EP0256639B1 (en) | 1992-04-08 |
| AU7362687A (en) | 1988-02-18 |
| AU600947B2 (en) | 1990-08-30 |
| DK282087D0 (en) | 1987-06-02 |
| ES2031128T3 (en) | 1992-12-01 |
| HK185795A (en) | 1995-12-15 |
| DE3778090D1 (en) | 1992-05-14 |
| US4779803A (en) | 1988-10-25 |
| PT85042A (en) | 1988-08-17 |
| DK282087A (en) | 1988-02-12 |
| MX163758B (en) | 1992-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1289597C (en) | Manually actuated liquid sprayer | |
| JP4105095B2 (en) | Nested former nozzle | |
| CA1090748A (en) | Foam-generating device for a pump sprayer | |
| CA2179107A1 (en) | Foam spray nozzle assembly for trigger sprayer | |
| US7222802B2 (en) | Dual sprayer with external mixing chamber | |
| JP2732152B2 (en) | Trigger sprayer | |
| US4013228A (en) | Foam generating sprayer apparatus | |
| US3698645A (en) | Spray head | |
| JPH05104037A (en) | Fluid spray gun | |
| US5702058A (en) | Dual foamer nozzle assembly for trigger sprayer | |
| US4767060A (en) | Nozzle | |
| CA2120853C (en) | Foamer trigger dispenser with sealing device | |
| US6036112A (en) | Foaming nozzle for trigger sprayer | |
| AU2003226235A8 (en) | High viscosity liquid sprayer nozzle assembly | |
| US5295628A (en) | Discharge nozzle for media | |
| EP0255208B1 (en) | Sprayer having induced air assist | |
| US5234167A (en) | One-piece foamer nozzle | |
| WO1994013407A1 (en) | Atomising nozzle | |
| CA1045595A (en) | Foam generating sprayer apparatus | |
| NL8600472A (en) | METHOD FOR MAKING FOAM AND DELIVERY | |
| JPS635141B2 (en) | ||
| JP2023174199A (en) | spray device | |
| CA2170341A1 (en) | Spray gun dispersion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |