EP0065506A1 - Device for dispensing liquid or paste products from a container - Google Patents
Device for dispensing liquid or paste products from a container Download PDFInfo
- Publication number
- EP0065506A1 EP0065506A1 EP82850096A EP82850096A EP0065506A1 EP 0065506 A1 EP0065506 A1 EP 0065506A1 EP 82850096 A EP82850096 A EP 82850096A EP 82850096 A EP82850096 A EP 82850096A EP 0065506 A1 EP0065506 A1 EP 0065506A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump housing
- container
- valve
- membrane
- slit
- 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.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/06—Dispensers for soap
- A47K5/12—Dispensers for soap for liquid or pasty soap
- A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
- A47K5/1208—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a flexible dispensing chamber
- A47K5/1209—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a flexible dispensing chamber with chamber in the form of a cylindrical tube
Definitions
- the present invention relates to a device for dispensing liquid or paste products from a container, said device comprising a pump housing which is connected to the mouth of the container and is provided with inlet and outlet valves.
- valves are made of an elastic material and are conically tapered with an opening in the form of a slit across the lateral surface of the cone. Since the lower valve opens directly into the ambient air, there is an unavoidable oxidation of the liquid or paste product both at the opening and directly inside the same. The result will be the formation of a plug in this valve which will make the functioning of the apparatus impossible.
- the present invention achieves a pump device in which the above mentioned disadvantages have been completely eliminated.
- the pump device according to the invention is even so simple and inexpensive that it is suitable as a disposable product.
- the characterizing features of the invention are revealed in the attached claims.
- Fig. 1 shows a longitudinal section through the pump device itself.
- Figs. 2 and 3 show views from above of inlet and outlet valves respectively, in the device according to Fig. 1.
- Figs. 4 and 5 show two different side views of a screw cap.
- Figs. 6 and 7 show two different views of a button.
- Fig. 8 shows the button according to Figs. 6 and 7 mounted on the cap according to Fig. 5.
- Figs. 9 and 10 show perspective views of two different parts of a bracket.
- Fig. 11 shows a front view of a dispenser composed of the parts according to Figs. 9 and 10 and provided with a cap and pump device according to Figs. 1-8.
- the pump housing 1 is cast in one piece of rubber with a through-channel 2, in which cavities 3 and 4 are arranged for inlet and outlet valves 5 and 6, respectively, which enclose between them a valve chamber 13.
- the pump housing is provided with a collar 7 and tapers conically down to an outlet opening 8, the size of which is suitably adapted to the pump medium so that the pump housing does not drip.
- the inlet and outlet valves 5 and 6, respectively, are made of rubber and have a cylindrical form with a membrane 9 and 10 respectively, at one end.
- the membrane 9 of the inlet valve 5 has a V-shaped through-slit 11, thus forming a flexible valve tongue 12.
- the slit 11 is bevelled in relation to the surface of the membrane so that the tongue surface facing the interior of the valve chamber 13 is greater than the opposite surface of the valve tongue.
- the tongue 12 can thus only be opened in the direction towards the interior of the valve chamber from its normal sealing position.
- the outlet valve 6 is provided with a normally sealing slit 14 in the membrane 10.
- Fig. 6 and 7 show a special button 19 which is designed to fit into and be displaceable across the hole 18 in the cap flange 17.
- the button consists of a button portion 20 and a central extension 21 therefrom.
- Fig. 8 shows the cap 15 with the button 19 in place.
- the button 19 is provided with spring hooks 22,23, which are snapped into the elongated hole 18 when mounting the button in the cap flange.
- the button 19 with its extension 21 will be in front of the elastic walls of the valve chamber. Pressing the button 19 will thus press the extension 21 against the pump housing, and since a fixed member is mounted against the opposite side of the pump housing, the pump housing walls will be compressed so as to achieve the intended and previously described pump effect.
- Fig. 8 with a pump mounted therein according to Fig. 1, is, as was mentioned, designed to be screwed onto a container (not shown here) containing the product for dispensing.
- Figs. 9 and 10 show an example of a holder designed to carry such a container with associated capsule and pump housing.
- Fig. 10 shows the actual bracket 24, which is designed to be screwed to a wall, and
- Fig. 9 shows an associated cover 25.
- the bracket 24 is arranged with an upwardly open gutter 26.
- the flange 17 of the cap When the container with the cap 16 with the associated pump device are mounted, the flange 17 of the cap will be in front of the narrow portion 27 of the gutter, so that this portion and the flange 17 will completely, and with a suitably selected fitting, enclose the cylindrical pump device.
- the composite device described above is shown in Fig. 11.
- a device of this type can be suitable at a disposable product.
- the container consists of a compressible bag member
- the user may be tempted to press the bag to dispense the contents.
- the contents would then flow out in an uncontrolled manner, but with the special pump construction according to the invention, and especially with the valves in the same, an uncontrolled dispensing is practically impossible.
- the inlet valve of the pump device if required because of dimensions and materials, can be reinforced with a detachable plastic body, which fits into the cylindrical hole in the same and in order to permit through-flow is provided with a central hole.
- This plastic body then serves primarily as a support for the inlet valve and prevents it from being deformed when the walls of the pump housing are pressed in. Deformation of the valve could result in pressing the valve into the container.
Abstract
Description
- The present invention relates to a device for dispensing liquid or paste products from a container, said device comprising a pump housing which is connected to the mouth of the container and is provided with inlet and outlet valves.
- Up to now there have been problems in manufacturing dispensing devices of this type which function satisfactorily in all respects.
- In one attempt at a solution, the valves are made of an elastic material and are conically tapered with an opening in the form of a slit across the lateral surface of the cone. Since the lower valve opens directly into the ambient air, there is an unavoidable oxidation of the liquid or paste product both at the opening and directly inside the same. The result will be the formation of a plug in this valve which will make the functioning of the apparatus impossible.
- Another solution is described in Swedish Patent Specification 325 680. The funnel-shaped valves described in this publication function well but are complicated to manufacture and difficult to mount in the flow channel of the pump housing. The funnel-shaped valve must be fixed at its point securely to a supporting body which is arranged to center the valve funnel in the flow channel and at the same time allow the fluid to pass. A pressure bubble is required in the device, which is mounted to generate over or under pressure in the valve chamber between the two valves. The pressure bubble is relatively complicated to mount and it is not uncommon that leakage occurs where the bubble is fastened. It is clearly evident from the above that such a pump device is complicated to manufacture and assemble and is therefore expensive.
- The present invention achieves a pump device in which the above mentioned disadvantages have been completely eliminated. The pump device according to the invention is even so simple and inexpensive that it is suitable as a disposable product. The characterizing features of the invention are revealed in the attached claims.
- The invention will be described in more detail below with reference to an example which is shown in the accompanying drawings. Fig. 1 shows a longitudinal section through the pump device itself. Figs. 2 and 3 show views from above of inlet and outlet valves respectively, in the device according to Fig. 1. Figs. 4 and 5 show two different side views of a screw cap. Figs. 6 and 7 show two different views of a button. Fig. 8 shows the button according to Figs. 6 and 7 mounted on the cap according to Fig. 5. Figs. 9 and 10 show perspective views of two different parts of a bracket. Finally, Fig. 11 shows a front view of a dispenser composed of the parts according to Figs. 9 and 10 and provided with a cap and pump device according to Figs. 1-8.
- The
pump housing 1 is cast in one piece of rubber with a through-channel 2, in whichcavities outlet valves valve chamber 13. At the top, the pump housing is provided with acollar 7 and tapers conically down to an outlet opening 8, the size of which is suitably adapted to the pump medium so that the pump housing does not drip. - The inlet and
outlet valves membrane membrane 9 of theinlet valve 5 has a V-shaped through-slit 11, thus forming aflexible valve tongue 12. Theslit 11 is bevelled in relation to the surface of the membrane so that the tongue surface facing the interior of thevalve chamber 13 is greater than the opposite surface of the valve tongue. Thetongue 12 can thus only be opened in the direction towards the interior of the valve chamber from its normal sealing position. 'Theoutlet valve 6 is provided with a normally sealingslit 14 in themembrane 10. When an overpressure is generated in the interior of thevalve chamber 13 by pressing the elastic walls of the pump housing radially inward, thevalve tongue 12 is pressed into sealing contact while theslit 14 opens when a certain pressure in the interior of the valve chamber has been exceeded. - When the elastic walls of the pump housing return to their original shape after being compressed, an underpressure arises in the interior of the
valve chamber 13, whereby theflexible tongue 12 in the inlet valve opens in the direction towards the interior of the valve chamber, so that an amount of liquid or paste product in a container (not shown) connected to the inlet of the pump housing is fed into the interior of thevalve chamber 13. When the walls of the pump housing are again compressed, the above described process is repeated. With the aid of the pump shown in Fig. 1, a liquid or paste product can be dispensed in dosed amounts from a container. Figs. 4 and 5 show acap 15 adapted to the pump according to Fig. 1. In addition to thescrew top 16 it is also provided with anaxial flange 17 made in one piece therewith, which has anelongated hole 18. There is a central hole (not shown) in the topside of the screw top, the diameter of which essentially agrees with the outer diameter of the cylindrical pump housing according to Fig. 1. Furthermore the inner dimensions of the screw top are adapted to thecollar 7 on the pump housing so that the collar forms an effective seal between the cap and the surroundings when the cap is screwed tightly onto a container. Figs. 6 and 7 show aspecial button 19 which is designed to fit into and be displaceable across thehole 18 in thecap flange 17. The button consists of abutton portion 20 and acentral extension 21 therefrom. Fig. 8 shows thecap 15 with thebutton 19 in place. Thebutton 19 is provided withspring hooks elongated hole 18 when mounting the button in the cap flange. When the pump device according to Fig. 1 has been mounted in the cap according to Fig. 8, thebutton 19 with itsextension 21 will be in front of the elastic walls of the valve chamber. Pressing thebutton 19 will thus press theextension 21 against the pump housing, and since a fixed member is mounted against the opposite side of the pump housing, the pump housing walls will be compressed so as to achieve the intended and previously described pump effect. - The cap according to Fig. 8 with a pump mounted therein according to Fig. 1, is, as was mentioned, designed to be screwed onto a container (not shown here) containing the product for dispensing. Figs. 9 and 10 show an example of a holder designed to carry such a container with associated capsule and pump housing. Fig. 10 shows the
actual bracket 24, which is designed to be screwed to a wall, and Fig. 9 shows an associatedcover 25. Thebracket 24 is arranged with an upwardlyopen gutter 26. When the container with thecap 16 with the associated pump device are mounted, theflange 17 of the cap will be in front of thenarrow portion 27 of the gutter, so that this portion and theflange 17 will completely, and with a suitably selected fitting, enclose the cylindrical pump device. The composite device described above is shown in Fig. 11. - The invention is not limited to the above described embodiment. Rather, a number of modifications are possible within the scope of the attached claims. For example, no special holder according to Figs. 9-11 or caps with associated buttons according to Figs. 4-8 are required. Likewise, a cap similar to that in Fig. 4 but without a flange can be used to screw a pump device according to Fig. 1 onto a container, whereafter the pump housing can be actuated directly using one's fingers.
- It is also conceivable to securely join a pump device similar to that in Fig. 1 to a container by using the collar. A device of this type can be suitable at a disposable product.
- If the container consists of a compressible bag member, the user may be tempted to press the bag to dispense the contents. In previously known pump devices, the contents would then flow out in an uncontrolled manner, but with the special pump construction according to the invention, and especially with the valves in the same, an uncontrolled dispensing is practically impossible.
- The inlet valve of the pump device, if required because of dimensions and materials, can be reinforced with a detachable plastic body, which fits into the cylindrical hole in the same and in order to permit through-flow is provided with a central hole. This plastic body then serves primarily as a support for the inlet valve and prevents it from being deformed when the walls of the pump housing are pressed in. Deformation of the valve could result in pressing the valve into the container.
Claims (1)
- Device designed for dispensing liquid or paste products from a container, comprising a pump housing (1) connected to an opening in the container and provided with inlet and outlet valves (5 and 6, respectively), characterized in that the pump housing (11 consists of a sleeve-like portion made in one piece of elastic material, preferably rubber, that the valves (5,61 are also made of an elastic material, preferably rubber, and have a sleeve-like shape with a membrane (9 and 10, respectively) at one end, that said valves are mounted in cavities (3,4) designed therefor next to either end of the sleeve-like pump housing, that the outlet valve (6) has a normally sealing slit (141 in the membrane (101, said slit opening upon overpressure in the pump housing, that at least one essentially V-shaped or semicircular through-slit (11) is arranged in the membrane (9) of the inlet valve to form a flexible tongue (121, said tongue slit being bevelled in relation to the plane of the membrane so that the tongue can only bend from its normal sealing position in the direction towards the interior (13) of the pump housing, whereby radial compression of the pump housing dispenses a dosed amount of the product through the outlet valve and the pump housing is refilled via the inlet valve as the pump housing recovers its normal shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82850096T ATE12723T1 (en) | 1981-05-11 | 1982-05-04 | DEVICE FOR DISPENSING LIQUID OR VISCOUS PRODUCTS FROM A CONTAINER. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102933A SE444383B (en) | 1981-05-11 | 1981-05-11 | DEVICE FOR DISPOSAL OF LIQUID OR CEREAL PRODUCTS FROM A CONTAINER |
SE8102933 | 1981-05-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0065506A1 true EP0065506A1 (en) | 1982-11-24 |
EP0065506B1 EP0065506B1 (en) | 1985-04-17 |
Family
ID=20343789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82850096A Expired EP0065506B1 (en) | 1981-05-11 | 1982-05-04 | Device for dispensing liquid or paste products from a container |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0065506B1 (en) |
AT (1) | ATE12723T1 (en) |
DE (2) | DE3263086D1 (en) |
DK (1) | DK151767C (en) |
NO (1) | NO155994C (en) |
SE (1) | SE444383B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0219931A2 (en) * | 1985-10-18 | 1987-04-29 | Steiner Company, Inc. | Liquid soap dispensing system |
EP0242253A1 (en) * | 1986-04-16 | 1987-10-21 | Alpha Systemes | Disposable dispenser pump for liquid and pasty products |
GB2250323A (en) * | 1990-11-27 | 1992-06-03 | Appor Ltd | Product dispensing apparatus |
WO1995014419A1 (en) * | 1993-11-22 | 1995-06-01 | Dudley Industries Limited | Dispensing arrangement |
US5842611A (en) * | 1996-09-19 | 1998-12-01 | Vivier; Jacobus Lodewickus | Dispensing device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1542584A (en) * | 1924-10-06 | 1925-06-16 | William H Rose | Liquid-dispensing device |
GB711630A (en) * | 1951-11-27 | 1954-07-07 | Churchill Henry Winston S | Improvements relating to apparatus for dispensing pastes, liquids and other substances |
US2772817A (en) * | 1952-03-01 | 1956-12-04 | Robert J Jauch | Dispensing pumps |
BE567442A (en) * | 1957-05-08 | 1960-08-12 | Newton | PERFECTED DEVICE, INTENDED TO DISTRIBUTE FLUID MATERIALS. |
FR1399087A (en) * | 1964-06-17 | 1965-05-14 | Roma Ind Pty Ltd | Fluid products distributor |
US3211340A (en) * | 1963-04-23 | 1965-10-12 | Waldo H Zander | Dispensing device |
-
1981
- 1981-05-11 SE SE8102933A patent/SE444383B/en not_active IP Right Cessation
-
1982
- 1982-05-04 EP EP82850096A patent/EP0065506B1/en not_active Expired
- 1982-05-04 DE DE8282850096T patent/DE3263086D1/en not_active Expired
- 1982-05-04 AT AT82850096T patent/ATE12723T1/en not_active IP Right Cessation
- 1982-05-04 DE DE198282850096T patent/DE65506T1/en active Pending
- 1982-05-10 DK DK208782A patent/DK151767C/en not_active IP Right Cessation
- 1982-05-10 NO NO821539A patent/NO155994C/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1542584A (en) * | 1924-10-06 | 1925-06-16 | William H Rose | Liquid-dispensing device |
GB711630A (en) * | 1951-11-27 | 1954-07-07 | Churchill Henry Winston S | Improvements relating to apparatus for dispensing pastes, liquids and other substances |
US2772817A (en) * | 1952-03-01 | 1956-12-04 | Robert J Jauch | Dispensing pumps |
BE567442A (en) * | 1957-05-08 | 1960-08-12 | Newton | PERFECTED DEVICE, INTENDED TO DISTRIBUTE FLUID MATERIALS. |
US3211340A (en) * | 1963-04-23 | 1965-10-12 | Waldo H Zander | Dispensing device |
FR1399087A (en) * | 1964-06-17 | 1965-05-14 | Roma Ind Pty Ltd | Fluid products distributor |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0219931A2 (en) * | 1985-10-18 | 1987-04-29 | Steiner Company, Inc. | Liquid soap dispensing system |
EP0219931A3 (en) * | 1985-10-18 | 1987-06-03 | Steiner Co Inc | Liquid soap dispensing system |
EP0242253A1 (en) * | 1986-04-16 | 1987-10-21 | Alpha Systemes | Disposable dispenser pump for liquid and pasty products |
FR2597551A1 (en) * | 1986-04-16 | 1987-10-23 | Alpha Systemes | DISPOSABLE DISTRIBUTOR PUMP FOR LIQUID OR PASTY PRODUCTS |
GB2250323A (en) * | 1990-11-27 | 1992-06-03 | Appor Ltd | Product dispensing apparatus |
WO1995014419A1 (en) * | 1993-11-22 | 1995-06-01 | Dudley Industries Limited | Dispensing arrangement |
US5842611A (en) * | 1996-09-19 | 1998-12-01 | Vivier; Jacobus Lodewickus | Dispensing device |
Also Published As
Publication number | Publication date |
---|---|
DK151767B (en) | 1988-01-04 |
NO821539L (en) | 1982-11-12 |
DE3263086D1 (en) | 1985-05-23 |
ATE12723T1 (en) | 1985-05-15 |
SE8102933L (en) | 1982-11-12 |
SE444383B (en) | 1986-04-14 |
DE65506T1 (en) | 1983-04-28 |
NO155994B (en) | 1987-03-30 |
EP0065506B1 (en) | 1985-04-17 |
NO155994C (en) | 1987-07-08 |
DK151767C (en) | 1988-08-08 |
DK208782A (en) | 1982-11-12 |
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