US3847304A - Bag-type fluid and paste dispenser - Google Patents

Bag-type fluid and paste dispenser Download PDF

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US3847304A
US3847304A US00387704A US38770473A US3847304A US 3847304 A US3847304 A US 3847304A US 00387704 A US00387704 A US 00387704A US 38770473 A US38770473 A US 38770473A US 3847304 A US3847304 A US 3847304A
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housing
bag
dispenser
bottom wall
disc plate
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0216—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by squeezing collapsible or flexible storage containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0038—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container moved by a spring-like mechanism

Definitions

  • a rigid dispensing container having a flexible diaphragm secured at its periphery to the open upper end of the container.
  • the container is subsequently sealed by a closure fitted with a dispensing valve.
  • the diaphragm is stretched to substantially line i the inner wall of the container and it is retained in the stretched condition by a latching means provided in the bottom wall of the container, releasably to grip an element projecting from the'bottom side of the diaphragm when the diaphragm is in stretched position.
  • Fluid or paste material to be dispensed from the container, is introduced into the interior of the stretched diaphragm through the open upper end of the container, in an amount substantially to fill the container.
  • the cover is mounted in sealed relation to close the upper end of the container, to complete the dispensing package in which the fluid or paste to be dispensed is housed in sealed relation within the con tainer but without subjecting the material to pressure.
  • the filled container can be stored, shipped, or displayed in the pressureless state thereby to avoid loss due to leakage, marring the appearance of the container due to leakage of content material, or danger of explosion due tointernal pressures.
  • the latch When it is desired to place the container into operation for dispensing content material, the latch is operatedfrom the outside to release its grip on the dia-.
  • the diaphragm thereby to release the stretched diaphragm for normal return to its relaxed position.
  • the diaphragm becomes effective to impose pressure onthe fluid or paste contained therein whereby such fluid or paste isejected from the container in response to the operation of the valve and in amounts controlled thereby.
  • FIG. 1 is a schematic sectional elevational view of the pre-loaded container, embodying the features of this invention, in the pressureless state;
  • FIG. 2 ia sectional elevational view, similar to that of FIG. 1, showing the elements in their dispensing position;
  • FIG. 3 is an enlarged sectional elevational view of the bottom end portion of the container showing the modification for adjustment of spring pressure.
  • the numeral 10 indicates an elongate housing formed of rigid material, such as metal, plastics, or laminates formed of paper, metal, or plastics.
  • the housing is formed with an elongate body portion 12 of square, rectangular, oval, and preferably of rounded shape, with a top wall 14 that tapers inwardly to form a neck portion l6 fitted with a pressure-release valve 18 of conventional construction.
  • the dispensing valve is provided with a tubular member in the form of a hollow needle 20 which extends downwardly into the interior of the container for a distance to project below the top wall portion l4.
  • the bottom side of the container 10 is open, with the bottom end portion being provided with means for releasably securing the bottom wall 22in position of use to close the open bottom side of the housing.
  • this can be accomplished by providing screw threads 24 on the outer wall of the bottom end portion for threaded engagementwith the internally threaded cylindrical section 26 extending substantially perpendicularly from the periphery of the bottomwall 22 of the container.
  • the cylindrical section 26 may be of short dimension to secure the bottom wall immediately adjacent the bottom end of the container, but it is preferred to form the cylindrical section of considerable length, as illustrated in FIG. 2, for adjustment of the bottom wall in the direction toward and away from the housing thereby to vary the length of the confined space 30 within the housing, for purposeswhich will hereinafter be described.
  • the fluid'or paste 32, to be dispensed is provided with a collapsible bag 34, such as formed of a flexible elastomeric or plastic material, or an accordion formed of metal, treated paper, plastic, or laminate, in which the bag walls are substantially impervious to the transmission of fluid or paste, orliquid or vaporized components thereof.
  • a collapsible bag 34 such as formed of a flexible elastomeric or plastic material, or an accordion formed of metal, treated paper, plastic, or laminate, in which the bag walls are substantially impervious to the transmission of fluid or paste, orliquid or vaporized components thereof.
  • the material of which the bag is formed is not significant as long as it has the desired characteristics described and is not deleterious to the fluid or paste to be dispensed therefrom.
  • the bag 34 can be formed of tin, or tin-plate, polyethylene, polypropylene, polytetrafiuoroethylene, polyvinyl acetate and the like, or of a rubber-like material, such as natural or synthetic rubber, as represented by a homopolymer or copolymer of butadiene with styrene, acrylonitrile, polyester, EPM, and EPDM rubbers, and the like.
  • the bag 34 is dimensioned to have a cross section corresponding to the cross section of the interior of the body portion 112 of thehousing l0,'and a length that corresponds to the length between the top and bottom sides of the housing so as to enable the bag 34 to be slidably inserted in fitting relation within the housing.
  • the separable bottom wall 22 is formed with a' key slot 36 extending through the central portion thereof.
  • the key slot is dimensioned to enable a key 38 on the end of an elongate shaft 40 to extend therethrough, with the key being dimensioned to pass freely through the slot 36 when in one position of adjustment, and to have portions which project'beyond the edges of the slot 36 when turned to another position of adjustment, thereby to prevent passage of the key therethrough.
  • a rigid flat plate 42 is secured to the end of the rod 40 opposite the key, with the plate being dimensioned to correspond with the interior cross section of the housing to enable endwise displacement 'of the plate within the housing, as in a piston-cylinder arrangement.
  • the plate'42 is turned to align the key 38 with the 'keyway slot 36 and the. plate is depressed until the key 38 clears the keyway slot 36. Thereafter, the key is turned to locking position to latch the plate with the coil spring in the highly compressed state.
  • the bag 34 pre-filled with the fluid or paste material 32, isthen inserted into the housing through the open bottom side. As the bag seats fully within the housing, thedispensing tube piercesthe upper end'of the bag for entry into the interior in communication with the container material.
  • the bottom wall is screwed onto the bottom end of the housing to complete the loaded container with the coil springstill locked in its compressed state.
  • the loaded container can be packaged for storage, distribution, or display without pressure on the content material to be dispensed.
  • Activation of the dispenser is simply achieved by turning to release the key 38 from latching position.
  • the spring 44 is released to urge the plate 42 against the under side of the bag 34 under spring pressure. This places the fluid or paste material within the collapsible bag under pressure so that, in response to operation of the dispensing valve 18, fluid or paste will be forced through the tubular member 20 and through the valve 18 for ejection from the container.
  • the dispensing operation is thereafter-valve-controlled.
  • the device is initially operated with the bottom wall 22 in the extended position.
  • the bag collapses in response to spring pressure to the extent that less pressure is applied as the spring 44 is extended.
  • the bottom wall can be turned to screw the bottom wall for displacement in the direction toward the bottom side of the housing, thereby to reduce the space between the bottom wall 22 and the plate 42 with corresponding increase in spring pressure. This can be repeated as the need arises, until the bottom wall has reached its upward position'of adjustment.
  • the container If the container is not used as a single-use container, it can be re-loaded simply by unscrewing the bottom wall, removing the empty bag, and'replacing it with a new bag or filler.
  • the plate 42 is compressed and turned to align the key 38 with the key slot 36 and the key is turned as it clears the keyway to lock the plate in latching position.
  • the bottom wall is then screwed back onto the housing to complete the assembly with the bag still free of pressure.
  • the key is unlatched for passage throughthe keyway and the spring 44 is thus released to press the plate 42 against the bottom side of the filler for dispensing in response to valve operation.
  • means such as described in my US. Pat. No.'3,413,974 may be used for pre-loading the tubular needle 20 to hold the needle free of the bag until released but which, upon release, pierces the bag for communication with'the content material in the interior thereof.
  • a bag-type fluid and paste dispenser comprising a deformable bag and a fluid or paste material to be dispensed within said bag, a rigid housing dimensioned to enclose the filled bag therein, said housing being open at the bottom and closed at the top, a dispensing valve in the top, a hollow needle extending from the dispensing valve into the interior of the housing in position to pierce the bag when the latter is inserted therein, a bottom wall removably connected to the housing to close the open bottom end of the housing, a disc plate dimensioned for axial displacement within the housing between retracted and extended positions of adjustment, means for releasably latching the disc plate in retracted position, means constantly urging said disc plate toward the extended position and means for axial adjustment of the bottom wall in a direction toward or away from the top wall to maintain or increase the force of said urging means on said disc plate thereby to compensate for loss in force on the disc plate as material in the bag is dispensed.
  • a dispenser as claimed in claim 1 in which the means removably securing the bottom'wall to the housing to close the open bottom end comprises screw threads on the adjacent surfaces of the housing and a cylindrical section extending from the periphery of the bottom wall for threaded engagement therebetween.
  • a dispenser as claimed in claim 1 in which the means for releasably latching the disc plate in retracted position comprises a key, an elongate rod connected at one end to the disc plate and the other end to the key, and a key slot through the bottom wall of the housing dimensioned to enable passage of the key therethrough when in one position and to-block passage of the key I therethrough when in another position.
  • a dispenser'as claimed in claim 1 in which the means constantly urging the disc plate toward extended position comprises a coil spring disposed between the disc plate and the bottom wall of the housing.
  • a dispenser as claimed in claim 1 in which means for adjustment of the bottom wall relative to the top wall comprises an elongated threaded section in either or both the adjacent walls of the cylindrical section and the bottom wall of the housing.
  • a dispenser as claimed in claim 1 in which the bag 10.
  • a dispenser as claimed in claim 8 in which the is formedof adeformable material which is impervious bag is formed of a material which is foldable in m to the liquid or fluid.

Abstract

In a bag-type fluid or paste dispenser in which the content material is contained within a flexible bag having one end communicating with a dispensing valve while the bag is pressurized by means of a releasable spring.

Description

1 1 Nov. 12,1974
United States Patent 11 1 Cohen [5 BAG EYPE FLUID AND PASTE DISPENSER 1303.845 5/1919 Blair 222/337 x 1.971.450 8/1934 Heilmuiler et 222/387 X 3,157,314 11/1964 [76] Inventor: Milton .1. Cohen, 9201 Persimmon 333/315 X Tree Rd, Potomac, Md. 20854 FOREIGN PATENTS OR APPLICATIONS Aug. 13, 1973 1.034.500 4/1953 France 222/325 [22] Filed:
Appl. No.: 387,704
Primary Examiner-James B. Marbert Assistant Examiner-James M. Slattery ABSTRACT 1n a bag-type fluid or paste dispenser in which the content material is contained within a flexible bag 7 5 1. 66 a 6 fim B532 23 3 2. 62 2 28 5 i 7 ,7 00 x0 3 l U ,0 1 2 w :39 5" l 0 m M 2m 2 u n i 2 n H um mn m Uras mm O L h [0 L 2 .CdZ Ld UMF 1 1.1] 218 555 1112.1
having one end communicating with a dispensing va1ve while the bag is' pressurized by means of a releasable spring.
References Cited UNITED STATES PATENTS 960,081 5/1910 Fearon et 222/386 X 10 Claims, 3 Drawing lFigures BAG-TYPE FLUID AND PASTE DISPENSER This invention relates to a non-aerosol type fluid or paste dispenser, which makes use of mechanical pres-. sure generated by a flexible bag for ejection of the paste or fluid in response to release by a manually operable valve.
In the aforementioned copending application, description is made of a rigid dispensing container having a flexible diaphragm secured at its periphery to the open upper end of the container. The container is subsequently sealed by a closure fitted with a dispensing valve. The diaphragm is stretched to substantially line i the inner wall of the container and it is retained in the stretched condition by a latching means provided in the bottom wall of the container, releasably to grip an element projecting from the'bottom side of the diaphragm when the diaphragm is in stretched position.
Fluid or paste material, to be dispensed from the container, is introduced into the interior of the stretched diaphragm through the open upper end of the container, in an amount substantially to fill the container.
Thereafter, the cover is mounted in sealed relation to close the upper end of the container, to complete the dispensing package in which the fluid or paste to be dispensed is housed in sealed relation within the con tainer but without subjecting the material to pressure.
The filled container can be stored, shipped, or displayed in the pressureless state thereby to avoid loss due to leakage, marring the appearance of the container due to leakage of content material, or danger of explosion due tointernal pressures.
When it is desired to place the container into operation for dispensing content material, the latch is operatedfrom the outside to release its grip on the dia-.
phragm thereby to release the stretched diaphragm for normal return to its relaxed position. Thus the diaphragm becomes effective to impose pressure onthe fluid or paste contained therein whereby such fluid or paste isejected from the container in response to the operation of the valve and in amounts controlled thereby.
It is an object of this invention to produce a nonaerosol fluid and paste dispenser of the type described, which operates under pressure but in which mechanically adjustable means are employed for generation of pressure on the fluid or paste material sufficient to achieve the desired rate of ejection in response to valve operation, in which the pressure on the fluid or paste can be selectively regenerated as the amount of fluid or paste material in thecontainer diminishes thereby to maintain dispensing pressure, and in which the fluid or paste material is provided in pre-loaded cartridges which can be used to re-load the dispensing container, as by replacing an empty cartridge with a new filler.
I These and other objects and advantages of this invention will hereinafter appear, and for purposes of illustration, but not of limitation, an embodiment of the invention is shown in the accompanying drawing in which FIG. 1 is a schematic sectional elevational view of the pre-loaded container, embodying the features of this invention, in the pressureless state;
FIG. 2 ia sectional elevational view, similar to that of FIG. 1, showing the elements in their dispensing position; and
FIG. 3 is an enlarged sectional elevational view of the bottom end portion of the container showing the modification for adjustment of spring pressure.
Referring now to the drawing for a detailed description of the invention, the numeral 10 indicates an elongate housing formed of rigid material, such as metal, plastics, or laminates formed of paper, metal, or plastics. The housing is formed with an elongate body portion 12 of square, rectangular, oval, and preferably of rounded shape, with a top wall 14 that tapers inwardly to form a neck portion l6 fitted with a pressure-release valve 18 of conventional construction. The dispensing valve is provided with a tubular member in the form of a hollow needle 20 which extends downwardly into the interior of the container for a distance to project below the top wall portion l4.
The bottom side of the container 10 is open, with the bottom end portion being provided with means for releasably securing the bottom wall 22in position of use to close the open bottom side of the housing. When formed of the preferred rounded shape, this can be accomplished by providing screw threads 24 on the outer wall of the bottom end portion for threaded engagementwith the internally threaded cylindrical section 26 extending substantially perpendicularly from the periphery of the bottomwall 22 of the container. The cylindrical section 26 may be of short dimension to secure the bottom wall immediately adjacent the bottom end of the container, but it is preferred to form the cylindrical section of considerable length, as illustrated in FIG. 2, for adjustment of the bottom wall in the direction toward and away from the housing thereby to vary the length of the confined space 30 within the housing, for purposeswhich will hereinafter be described.
The fluid'or paste 32, to be dispensed, is provided with a collapsible bag 34, such as formed of a flexible elastomeric or plastic material, or an accordion formed of metal, treated paper, plastic, or laminate, in which the bag walls are substantially impervious to the transmission of fluid or paste, orliquid or vaporized components thereof. The material of which the bag is formed is not significant as long as it has the desired characteristics described and is not deleterious to the fluid or paste to be dispensed therefrom. For example, the bag 34 can be formed of tin, or tin-plate, polyethylene, polypropylene, polytetrafiuoroethylene, polyvinyl acetate and the like, or of a rubber-like material, such as natural or synthetic rubber, as represented by a homopolymer or copolymer of butadiene with styrene, acrylonitrile, polyester, EPM, and EPDM rubbers, and the like. ,The bag 34 is dimensioned to have a cross section corresponding to the cross section of the interior of the body portion 112 of thehousing l0,'and a length that corresponds to the length between the top and bottom sides of the housing so as to enable the bag 34 to be slidably inserted in fitting relation within the housing.
The separable bottom wall 22 is formed with a' key slot 36 extending through the central portion thereof. The key slot is dimensioned to enable a key 38 on the end of an elongate shaft 40 to extend therethrough, with the key being dimensioned to pass freely through the slot 36 when in one position of adjustment, and to have portions which project'beyond the edges of the slot 36 when turned to another position of adjustment, thereby to prevent passage of the key therethrough.
A rigid flat plate 42 is secured to the end of the rod 40 opposite the key, with the plate being dimensioned to correspond with the interior cross section of the housing to enable endwise displacement 'of the plate within the housing, as in a piston-cylinder arrangement. Disposed between the plate 42 and the bottom wall 22, means are provided constantly to urge the plate 42 in the direction away from the bottom wall. For this purpose, it is desirable to make use of a tension spring 44 having one end bearing against the bottom side of the plate 42 while the other end bears against the top side of the bottom wall 22.
in assembly, the plate'42 is turned to align the key 38 with the 'keyway slot 36 and the. plate is depressed until the key 38 clears the keyway slot 36. Thereafter, the key is turned to locking position to latch the plate with the coil spring in the highly compressed state.
The bag 34, pre-filled with the fluid or paste material 32, isthen inserted into the housing through the open bottom side. As the bag seats fully within the housing, thedispensing tube piercesthe upper end'of the bag for entry into the interior in communication with the container material.
Thereafter, the bottom wall is screwed onto the bottom end of the housing to complete the loaded container with the coil springstill locked in its compressed state. In this condition, the loaded container can be packaged for storage, distribution, or display without pressure on the content material to be dispensed.
Activation of the dispenser is simply achieved by turning to release the key 38 from latching position. When-the key is turned into alignment with the key slot 36 for passage therethrough, into the interior of the housing, the spring 44 is released to urge the plate 42 against the under side of the bag 34 under spring pressure. This places the fluid or paste material within the collapsible bag under pressure so that, in response to operation of the dispensing valve 18, fluid or paste will be forced through the tubular member 20 and through the valve 18 for ejection from the container. Thus the dispensing operation is thereafter-valve-controlled.
In the modification, shown in FIG. 3, wherein use is made of a bottom wall with a lengthened cylindrical section 26, the device is initially operated with the bottom wall 22 in the extended position. As material in the bag is used up, the bag collapses in response to spring pressure to the extent that less pressure is applied as the spring 44 is extended. To compensate for this loss in pressure,.the bottom wall can be turned to screw the bottom wall for displacement in the direction toward the bottom side of the housing, thereby to reduce the space between the bottom wall 22 and the plate 42 with corresponding increase in spring pressure. This can be repeated as the need arises, until the bottom wall has reached its upward position'of adjustment.
If the container is not used as a single-use container, it can be re-loaded simply by unscrewing the bottom wall, removing the empty bag, and'replacing it with a new bag or filler. The plate 42 is compressed and turned to align the key 38 with the key slot 36 and the key is turned as it clears the keyway to lock the plate in latching position. The bottom wall is then screwed back onto the housing to complete the assembly with the bag still free of pressure. For use, the key is unlatched for passage throughthe keyway and the spring 44 is thus released to press the plate 42 against the bottom side of the filler for dispensing in response to valve operation.
It will be understood that other means can be employed for releasably latching the bottom wall onto the housing and for releasably latching the plate in the retracted, spring-compressing position.
Similarly, meanssuch as described in my US. Pat. No.'3,413,974 may be used for pre-loading the tubular needle 20 to hold the needle free of the bag until released but which, upon release, pierces the bag for communication with'the content material in the interior thereof.
It will be understood that changes may be made in the details of construction, arrangement, and operation without departing from the spirit of the invention, especially as defined in the following claims.
I claim:
1. In a bag-type fluid and paste dispenser comprising a deformable bag and a fluid or paste material to be dispensed within said bag, a rigid housing dimensioned to enclose the filled bag therein, said housing being open at the bottom and closed at the top, a dispensing valve in the top, a hollow needle extending from the dispensing valve into the interior of the housing in position to pierce the bag when the latter is inserted therein, a bottom wall removably connected to the housing to close the open bottom end of the housing, a disc plate dimensioned for axial displacement within the housing between retracted and extended positions of adjustment, means for releasably latching the disc plate in retracted position, means constantly urging said disc plate toward the extended position and means for axial adjustment of the bottom wall in a direction toward or away from the top wall to maintain or increase the force of said urging means on said disc plate thereby to compensate for loss in force on the disc plate as material in the bag is dispensed.
2. A dispenser as claimed in claim 1 in which the housing is of cylindrical shape and the bag is of cylindrical shape.
3. A dispenser as claimed in claim 1 in which the means removably securing the bottom'wall to the housing to close the open bottom end comprises screw threads on the adjacent surfaces of the housing and a cylindrical section extending from the periphery of the bottom wall for threaded engagement therebetween.
4. A dispenser as claimed in claim 1 in which the disc plate comprises a rigid plate having a cross section corresponding to the cross section of the housing.
5. A dispenser as claimed in claim 1 in which the means for releasably latching the disc plate in retracted position comprises a key, an elongate rod connected at one end to the disc plate and the other end to the key, and a key slot through the bottom wall of the housing dimensioned to enable passage of the key therethrough when in one position and to-block passage of the key I therethrough when in another position.
6. A dispenser'as claimed in claim 1 in which the means constantly urging the disc plate toward extended position comprises a coil spring disposed between the disc plate and the bottom wall of the housing.
7. A dispenser as claimed in claim 1 in which means for adjustment of the bottom wall relative to the top wall comprises an elongated threaded section in either or both the adjacent walls of the cylindrical section and the bottom wall of the housing.
- 3,847,304 1 5 n 8. A dispenser as claimed in claim 1 in which the bag 10. A dispenser as claimed in claim 8 in which the is formedof adeformable material which is impervious bag is formed of a material which is foldable in m to the liquid or fluid.
9. A dispenser as claimed in claim 8 in which the bag lengthw'se dlrectlon' is formed of an elastic material. 5

Claims (10)

1. In a bag-type fluid and paste dispenser comprising a deformable bag and a fluid or paste material to be dispensed within said bag, a rigid Housing dimensioned to enclose the filled bag therein, said housing being open at the bottom and closed at the top, a dispensing valve in the top, a hollow needle extending from the dispensing valve into the interior of the housing in position to pierce the bag when the latter is inserted therein, a bottom wall removably connected to the housing to close the open bottom end of the housing, a disc plate dimensioned for axial displacement within the housing between retracted and extended positions of adjustment, means for releasably latching the disc plate in retracted position, means constantly urging said disc plate toward the extended position and means for axial adjustment of the bottom wall in a direction toward or away from the top wall to maintain or increase the force of said urging means on said disc plate thereby to compensate for loss in force on the disc plate as material in the bag is dispensed.
2. A dispenser as claimed in claim 1 in which the housing is of cylindrical shape and the bag is of cylindrical shape.
3. A dispenser as claimed in claim 1 in which the means removably securing the bottom wall to the housing to close the open bottom end comprises screw threads on the adjacent surfaces of the housing and a cylindrical section extending from the periphery of the bottom wall for threaded engagement therebetween.
4. A dispenser as claimed in claim 1 in which the disc plate comprises a rigid plate having a cross section corresponding to the cross section of the housing.
5. A dispenser as claimed in claim 1 in which the means for releasably latching the disc plate in retracted position comprises a key, an elongate rod connected at one end to the disc plate and the other end to the key, and a key slot through the bottom wall of the housing dimensioned to enable passage of the key therethrough when in one position and to block passage of the key therethrough when in another position.
6. A dispenser as claimed in claim 1 in which the means constantly urging the disc plate toward extended position comprises a coil spring disposed between the disc plate and the bottom wall of the housing.
7. A dispenser as claimed in claim 1 in which means for adjustment of the bottom wall relative to the top wall comprises an elongated threaded section in either or both the adjacent walls of the cylindrical section and the bottom wall of the housing.
8. A dispenser as claimed in claim 1 in which the bag is formed of a deformable material which is impervious to the liquid or fluid.
9. A dispenser as claimed in claim 8 in which the bag is formed of an elastic material.
10. A dispenser as claimed in claim 8 in which the bag is formed of a material which is foldable in the lengthwise direction.
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Cited By (66)

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US4193513A (en) * 1977-04-19 1980-03-18 Bull Glen C Jr Non-aerosol type dispenser
US4223808A (en) * 1978-07-21 1980-09-23 Spray Safe Company, Inc. Refillable dispensing device having wiper seal
US4231492A (en) * 1978-03-14 1980-11-04 Oatey Co. Apparatus and method for dispensing putty-like material
EP0052161A1 (en) * 1980-11-18 1982-05-26 Miklos Szabo Device for dispensing gaseous, liquid or powdered substances
EP0134147A2 (en) * 1983-09-08 1985-03-13 T.P.T. Limited Container for pressurised liquid
US4598843A (en) * 1984-10-11 1986-07-08 Realex Corporation Take-up piston shipping lock for viscous product dispensers
EP0315880A2 (en) * 1987-11-09 1989-05-17 Colgate-Palmolive Company Dispensing device
US4957223A (en) * 1989-08-14 1990-09-18 Moishe Beilush Dispenser gun
US4991742A (en) * 1989-08-01 1991-02-12 Chang Chin Fu Automatic drip bottle set
US5042696A (en) * 1990-05-02 1991-08-27 Williams John E Dispenser with piston assembly for expelling product
US5143259A (en) * 1989-11-20 1992-09-01 Williams John E Non-aerosol dispenser having a manually energizable piston
US5186361A (en) * 1991-02-01 1993-02-16 Williams Dispenser Corporation Spray dispenser having manual actuator for generating and storing product-expelling energy
WO1993014679A1 (en) * 1992-02-03 1993-08-05 Niss Jan Anders A dispensing device
US5238150A (en) * 1991-02-01 1993-08-24 William Dispenser Corporation Dispenser with compressible piston assembly for expelling product from a collapsible reservoir
US5242084A (en) * 1992-05-26 1993-09-07 Jinotti Walter J Fluid dispensing apparatus
WO1994010542A1 (en) * 1992-10-28 1994-05-11 Innovative Engineering Limited An improved volumetric metering device
DE4410745A1 (en) * 1993-04-02 1994-10-06 Regenbogen S R L Method, combination and device for the partial emptying of a liquid and/or pasty product having at least one bag with which the preservation is ensured and maintained
US5368206A (en) * 1992-05-20 1994-11-29 Ro-Sa Plast S.P.A. Dispensing apparatus for pasty substances
WO1995027424A1 (en) * 1992-10-09 1995-10-19 Niss Jan Anders A dispensing device for flowing substances and a suspension device for containers intended for flowing substances
US5505336A (en) * 1994-02-14 1996-04-09 The Diggs Group Ice cream dispenser
WO1998015683A1 (en) * 1996-10-10 1998-04-16 Henkel-Ecolab Gmbh & Co. Ohg Pot with a flexible storage barrel and follow-up plate
ES2126448A1 (en) * 1995-07-24 1999-03-16 Ballester Herminio Burriel Machine for propelling liquids which is actuated by a spring system
US5911716A (en) * 1992-01-24 1999-06-15 I-Flow Corporation Platen pump
US5934509A (en) * 1994-04-11 1999-08-10 Jana System Ab Dispensing device for flowing substances and a suspension device for containers intended for flowing substances
US6358239B1 (en) 1992-01-24 2002-03-19 I-Flow Corporation Platen pump
US6484897B1 (en) * 1995-02-13 2002-11-26 Amcad Holdings Limited Containers with variable volume
US6491233B2 (en) 2000-12-22 2002-12-10 Chrysalis Technologies Incorporated Vapor driven aerosol generator and method of use thereof
US6501052B2 (en) 2000-12-22 2002-12-31 Chrysalis Technologies Incorporated Aerosol generator having multiple heating zones and methods of use thereof
US6516796B1 (en) 1998-10-14 2003-02-11 Chrysalis Technologies Incorporated Aerosol generator and methods of making and using an aerosol generator
US6568390B2 (en) 2001-09-21 2003-05-27 Chrysalis Technologies Incorporated Dual capillary fluid vaporizing device
US20030108342A1 (en) * 2001-12-06 2003-06-12 Sherwood Timothy S. Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
US6640050B2 (en) 2001-09-21 2003-10-28 Chrysalis Technologies Incorporated Fluid vaporizing device having controlled temperature profile heater/capillary tube
US6651845B1 (en) * 2002-07-16 2003-11-25 Charles W. Schroeder Beverage container system
US6681769B2 (en) 2001-12-06 2004-01-27 Crysalis Technologies Incorporated Aerosol generator having a multiple path heater arrangement and method of use thereof
US6681998B2 (en) 2000-12-22 2004-01-27 Chrysalis Technologies Incorporated Aerosol generator having inductive heater and method of use thereof
US20040025865A1 (en) * 2002-05-10 2004-02-12 Nichols Walter A. Aerosol generator for drug formulation and methods of generating aerosol
US6701922B2 (en) 2001-12-20 2004-03-09 Chrysalis Technologies Incorporated Mouthpiece entrainment airflow control for aerosol generators
US6701921B2 (en) 2000-12-22 2004-03-09 Chrysalis Technologies Incorporated Aerosol generator having heater in multilayered composite and method of use thereof
US20040182885A1 (en) * 2003-03-22 2004-09-23 Morrison Ray C. Device for dispensing a medium such as a toothpaste or a gel
US6799572B2 (en) 2000-12-22 2004-10-05 Chrysalis Technologies Incorporated Disposable aerosol generator system and methods for administering the aerosol
US6883516B2 (en) 2000-04-27 2005-04-26 Chrysalis Technologies Incorporated Method for generating an aerosol with a predetermined and/or substantially monodispersed particle size distribution
BE1016138A3 (en) * 2002-11-25 2006-04-04 Cruysberghs Rudiger Cylindrical packaging.
US7077130B2 (en) 2000-12-22 2006-07-18 Chrysalis Technologies Incorporated Disposable inhaler system
US7128067B2 (en) 2000-04-27 2006-10-31 Philip Morris Usa Inc. Method and apparatus for generating an aerosol
US20070292310A1 (en) * 2004-05-17 2007-12-20 Danfoss A/S Microanalysis Apparatus with Constant Pressure Pump System
US7367334B2 (en) 2003-08-27 2008-05-06 Philip Morris Usa Inc. Fluid vaporizing device having controlled temperature profile heater/capillary tube
US20080115678A1 (en) * 2006-11-20 2008-05-22 Morgan William Weinberg Bottle crushing device
US20080197148A1 (en) * 2005-05-13 2008-08-21 Petervin Sa Airtight Coffee Dispenser For Coffee Machine
US20100006568A1 (en) * 2006-10-04 2010-01-14 Rainer Haeberer Tank for storing a reducing agent
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US20140212181A1 (en) * 2013-01-25 2014-07-31 Canon Kabushiki Kaisha Cartridge, developing cartridge, process cartridge and image forming apparatus
CN102753225B (en) * 2009-12-16 2014-10-08 贝克顿·迪金森公司 Self-injection device
US20150366412A1 (en) * 2014-06-19 2015-12-24 Gojo Industries, Inc. Ingestion resistance through delayed dispenser activation
US20150375907A1 (en) * 2014-06-26 2015-12-31 Walter Yamasaki Liquid Dispensing Device
CN105217166A (en) * 2015-11-11 2016-01-06 江阴民诚塑料制品有限公司 A kind of Dewar bottle
US9327507B2 (en) * 2013-02-20 2016-05-03 Océ-Technologies B.V. Liquid container
US20160176616A1 (en) * 2013-08-05 2016-06-23 Nicholas P. Johns Method and apparatus for delivering fluid to an individual
WO2017066401A1 (en) * 2015-10-13 2017-04-20 Tomesch Harald George A wine dispenser
WO2017139361A1 (en) * 2016-02-09 2017-08-17 Nenad Stojkovski Food product serving device and serving containers
US9833562B2 (en) 2009-12-16 2017-12-05 Becton, Dickinson And Company Self-injection device
CN107585395A (en) * 2017-09-06 2018-01-16 海安润思达食品有限公司 A kind of agricultural product Cold Chain Logistics storage bin
US10070742B2 (en) 2016-07-13 2018-09-11 Franke Kindred Canada Limited Twist-action portion-control sauce dispenser
US10080451B2 (en) * 2016-07-13 2018-09-25 Franke Kindred Canada Limited Twist-action portion-control sauce dispenser
EP3721757A1 (en) * 2019-04-08 2020-10-14 Société des Produits Nestlé S.A. Automatic system for dispensing roasted coffee beans and related method
CN112399810A (en) * 2018-06-28 2021-02-23 李钟范 Cosmetic liquid container
RU2811469C2 (en) * 2019-04-08 2024-01-12 Сосьете Де Продюи Нестле С.А. Automatic system for supplying roasted coffee beans and corresponding method

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Cited By (95)

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US4193513A (en) * 1977-04-19 1980-03-18 Bull Glen C Jr Non-aerosol type dispenser
US4231492A (en) * 1978-03-14 1980-11-04 Oatey Co. Apparatus and method for dispensing putty-like material
US4223808A (en) * 1978-07-21 1980-09-23 Spray Safe Company, Inc. Refillable dispensing device having wiper seal
EP0052161A1 (en) * 1980-11-18 1982-05-26 Miklos Szabo Device for dispensing gaseous, liquid or powdered substances
EP0134147A2 (en) * 1983-09-08 1985-03-13 T.P.T. Limited Container for pressurised liquid
EP0134147A3 (en) * 1983-09-08 1986-05-28 T.P.T. Limited Container for pressurised liquid
US4598843A (en) * 1984-10-11 1986-07-08 Realex Corporation Take-up piston shipping lock for viscous product dispensers
EP0315880A2 (en) * 1987-11-09 1989-05-17 Colgate-Palmolive Company Dispensing device
EP0315880A3 (en) * 1987-11-09 1989-06-14 Colgate-Palmolive Company Dispensing device
JPH024677A (en) * 1987-11-09 1990-01-09 Colgate Palmolive Co Pump for supplying substance having viscosity and fluidity and device similar to said pump
US4991742A (en) * 1989-08-01 1991-02-12 Chang Chin Fu Automatic drip bottle set
US4957223A (en) * 1989-08-14 1990-09-18 Moishe Beilush Dispenser gun
US5143259A (en) * 1989-11-20 1992-09-01 Williams John E Non-aerosol dispenser having a manually energizable piston
US5042696A (en) * 1990-05-02 1991-08-27 Williams John E Dispenser with piston assembly for expelling product
US5186361A (en) * 1991-02-01 1993-02-16 Williams Dispenser Corporation Spray dispenser having manual actuator for generating and storing product-expelling energy
US5238150A (en) * 1991-02-01 1993-08-24 William Dispenser Corporation Dispenser with compressible piston assembly for expelling product from a collapsible reservoir
US5911716A (en) * 1992-01-24 1999-06-15 I-Flow Corporation Platen pump
US6871759B2 (en) 1992-01-24 2005-03-29 I-Flow Corporation Platen pump
US20050211725A1 (en) * 1992-01-24 2005-09-29 Rake Kenneth W Platen pump
US20040108333A1 (en) * 1992-01-24 2004-06-10 Rake Kenneth W. Platen pump
US7083068B2 (en) 1992-01-24 2006-08-01 I-Flow Corporation Platen pump
US6358239B1 (en) 1992-01-24 2002-03-19 I-Flow Corporation Platen pump
WO1993014679A1 (en) * 1992-02-03 1993-08-05 Niss Jan Anders A dispensing device
US5551599A (en) * 1992-02-03 1996-09-03 Niss; Jan-Anders Dispensing device for flawing substances having a pressure controlled pump arrangement
US5368206A (en) * 1992-05-20 1994-11-29 Ro-Sa Plast S.P.A. Dispensing apparatus for pasty substances
US5242084A (en) * 1992-05-26 1993-09-07 Jinotti Walter J Fluid dispensing apparatus
WO1995027424A1 (en) * 1992-10-09 1995-10-19 Niss Jan Anders A dispensing device for flowing substances and a suspension device for containers intended for flowing substances
WO1994010542A1 (en) * 1992-10-28 1994-05-11 Innovative Engineering Limited An improved volumetric metering device
DE4410745A1 (en) * 1993-04-02 1994-10-06 Regenbogen S R L Method, combination and device for the partial emptying of a liquid and/or pasty product having at least one bag with which the preservation is ensured and maintained
US5505336A (en) * 1994-02-14 1996-04-09 The Diggs Group Ice cream dispenser
US5934509A (en) * 1994-04-11 1999-08-10 Jana System Ab Dispensing device for flowing substances and a suspension device for containers intended for flowing substances
US6484897B1 (en) * 1995-02-13 2002-11-26 Amcad Holdings Limited Containers with variable volume
ES2126448A1 (en) * 1995-07-24 1999-03-16 Ballester Herminio Burriel Machine for propelling liquids which is actuated by a spring system
WO1998015683A1 (en) * 1996-10-10 1998-04-16 Henkel-Ecolab Gmbh & Co. Ohg Pot with a flexible storage barrel and follow-up plate
US6206242B1 (en) 1996-10-10 2001-03-27 Henkel Kommanditgesellschaft Auf Aktien Pot with a flexible storage barrel and follow-up plate
US6557552B1 (en) 1998-10-14 2003-05-06 Chrysalis Technologies Incorporated Aerosol generator and methods of making and using an aerosol generator
US6516796B1 (en) 1998-10-14 2003-02-11 Chrysalis Technologies Incorporated Aerosol generator and methods of making and using an aerosol generator
US7117867B2 (en) 1998-10-14 2006-10-10 Philip Morris Usa Aerosol generator and methods of making and using an aerosol generator
US6883516B2 (en) 2000-04-27 2005-04-26 Chrysalis Technologies Incorporated Method for generating an aerosol with a predetermined and/or substantially monodispersed particle size distribution
US7128067B2 (en) 2000-04-27 2006-10-31 Philip Morris Usa Inc. Method and apparatus for generating an aerosol
US6799572B2 (en) 2000-12-22 2004-10-05 Chrysalis Technologies Incorporated Disposable aerosol generator system and methods for administering the aerosol
US7077130B2 (en) 2000-12-22 2006-07-18 Chrysalis Technologies Incorporated Disposable inhaler system
US7373938B2 (en) 2000-12-22 2008-05-20 Philip Morris Usa Inc. Disposable aerosol generator system and methods for administering the aerosol
US6701921B2 (en) 2000-12-22 2004-03-09 Chrysalis Technologies Incorporated Aerosol generator having heater in multilayered composite and method of use thereof
US6681998B2 (en) 2000-12-22 2004-01-27 Chrysalis Technologies Incorporated Aerosol generator having inductive heater and method of use thereof
US7173222B2 (en) 2000-12-22 2007-02-06 Philip Morris Usa Inc. Aerosol generator having temperature controlled heating zone and method of use thereof
US7163014B2 (en) 2000-12-22 2007-01-16 Philip Morris Usa Inc. Disposable inhaler system
US6491233B2 (en) 2000-12-22 2002-12-10 Chrysalis Technologies Incorporated Vapor driven aerosol generator and method of use thereof
US6501052B2 (en) 2000-12-22 2002-12-31 Chrysalis Technologies Incorporated Aerosol generator having multiple heating zones and methods of use thereof
US6715487B2 (en) 2001-09-21 2004-04-06 Chrysalis Technologies Incorporated Dual capillary fluid vaporizing device
US6568390B2 (en) 2001-09-21 2003-05-27 Chrysalis Technologies Incorporated Dual capillary fluid vaporizing device
US6640050B2 (en) 2001-09-21 2003-10-28 Chrysalis Technologies Incorporated Fluid vaporizing device having controlled temperature profile heater/capillary tube
US6681769B2 (en) 2001-12-06 2004-01-27 Crysalis Technologies Incorporated Aerosol generator having a multiple path heater arrangement and method of use thereof
US6804458B2 (en) 2001-12-06 2004-10-12 Chrysalis Technologies Incorporated Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
US20030108342A1 (en) * 2001-12-06 2003-06-12 Sherwood Timothy S. Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
US6701922B2 (en) 2001-12-20 2004-03-09 Chrysalis Technologies Incorporated Mouthpiece entrainment airflow control for aerosol generators
US6854461B2 (en) 2002-05-10 2005-02-15 Philip Morris Usa Inc. Aerosol generator for drug formulation and methods of generating aerosol
US20040025865A1 (en) * 2002-05-10 2004-02-12 Nichols Walter A. Aerosol generator for drug formulation and methods of generating aerosol
US6651845B1 (en) * 2002-07-16 2003-11-25 Charles W. Schroeder Beverage container system
BE1016138A3 (en) * 2002-11-25 2006-04-04 Cruysberghs Rudiger Cylindrical packaging.
US20040182885A1 (en) * 2003-03-22 2004-09-23 Morrison Ray C. Device for dispensing a medium such as a toothpaste or a gel
US7367334B2 (en) 2003-08-27 2008-05-06 Philip Morris Usa Inc. Fluid vaporizing device having controlled temperature profile heater/capillary tube
US20070292310A1 (en) * 2004-05-17 2007-12-20 Danfoss A/S Microanalysis Apparatus with Constant Pressure Pump System
US20080197148A1 (en) * 2005-05-13 2008-08-21 Petervin Sa Airtight Coffee Dispenser For Coffee Machine
US20100006568A1 (en) * 2006-10-04 2010-01-14 Rainer Haeberer Tank for storing a reducing agent
US20080115678A1 (en) * 2006-11-20 2008-05-22 Morgan William Weinberg Bottle crushing device
US7475633B2 (en) * 2006-11-20 2009-01-13 Morgan Weinberg Bottle crushing device
CN102753226A (en) * 2009-12-16 2012-10-24 贝克顿·迪金森公司 Self-injection device
US9579461B2 (en) 2009-12-16 2017-02-28 Becton, Dickinson And Company Self-injection device
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CN102753226B (en) * 2009-12-16 2015-08-19 贝克顿·迪金森公司 From injection device
US9833562B2 (en) 2009-12-16 2017-12-05 Becton, Dickinson And Company Self-injection device
US10967123B2 (en) 2009-12-16 2021-04-06 Becton, Dickinson And Company Self-injection device
US10195340B2 (en) 2009-12-16 2019-02-05 Becton, Dickinson And Company Self-injection device
US11007316B2 (en) 2009-12-16 2021-05-18 Becton, Dickinson And Company Self-injection device
US20140212181A1 (en) * 2013-01-25 2014-07-31 Canon Kabushiki Kaisha Cartridge, developing cartridge, process cartridge and image forming apparatus
US9164424B2 (en) * 2013-01-25 2015-10-20 Canon Kabushiki Kaisha Cartridge with flexible developer bag and elastic member for acting on the developer bag
US9327507B2 (en) * 2013-02-20 2016-05-03 Océ-Technologies B.V. Liquid container
US20160176616A1 (en) * 2013-08-05 2016-06-23 Nicholas P. Johns Method and apparatus for delivering fluid to an individual
US20240067440A1 (en) * 2013-08-05 2024-02-29 Nicholas P. Johns Method and apparatus for delivering fluid to an individual
US20150366412A1 (en) * 2014-06-19 2015-12-24 Gojo Industries, Inc. Ingestion resistance through delayed dispenser activation
US10194774B2 (en) * 2014-06-19 2019-02-05 Gojo Industries, Inc. Ingestion resistance through delayed dispenser activation
US9776776B2 (en) * 2014-06-26 2017-10-03 Walter Yamasaki Liquid dispensing device
US20150375907A1 (en) * 2014-06-26 2015-12-31 Walter Yamasaki Liquid Dispensing Device
WO2017066401A1 (en) * 2015-10-13 2017-04-20 Tomesch Harald George A wine dispenser
CN105217166A (en) * 2015-11-11 2016-01-06 江阴民诚塑料制品有限公司 A kind of Dewar bottle
WO2017139361A1 (en) * 2016-02-09 2017-08-17 Nenad Stojkovski Food product serving device and serving containers
US10070742B2 (en) 2016-07-13 2018-09-11 Franke Kindred Canada Limited Twist-action portion-control sauce dispenser
US10080451B2 (en) * 2016-07-13 2018-09-25 Franke Kindred Canada Limited Twist-action portion-control sauce dispenser
CN107585395A (en) * 2017-09-06 2018-01-16 海安润思达食品有限公司 A kind of agricultural product Cold Chain Logistics storage bin
CN112399810A (en) * 2018-06-28 2021-02-23 李钟范 Cosmetic liquid container
EP3721757A1 (en) * 2019-04-08 2020-10-14 Société des Produits Nestlé S.A. Automatic system for dispensing roasted coffee beans and related method
WO2020208068A1 (en) * 2019-04-08 2020-10-15 Societe Des Produits Nestle S.A. Automatic system for dispensing roasted coffee beans and related method
CN113645883A (en) * 2019-04-08 2021-11-12 雀巢产品有限公司 Automated system for dispensing roasted coffee beans and related method
RU2811469C2 (en) * 2019-04-08 2024-01-12 Сосьете Де Продюи Нестле С.А. Automatic system for supplying roasted coffee beans and corresponding method

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