US3658216A - Metering and discharge device - Google Patents

Metering and discharge device Download PDF

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US3658216A
US3658216A US15055A US3658216DA US3658216A US 3658216 A US3658216 A US 3658216A US 15055 A US15055 A US 15055A US 3658216D A US3658216D A US 3658216DA US 3658216 A US3658216 A US 3658216A
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valve
ring
valve seat
housing
seat
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US15055A
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Gilbert Schwartzman
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
    • G01F11/30—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply and discharge valves of the lift or plug-lift type
    • G01F11/32—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply and discharge valves of the lift or plug-lift type for liquid or semiliquid

Definitions

  • the housing has a Shoulder forming a first Valve Seat- The [58] Field of Search ..222/453, 449, 518, 443, 450, reservoir portion has a Second valve Seat
  • a valve assembly is 222/451 disposed mainly in said housing and has a valve head engageable with the second valve seat and a valve ring engageable with [56] References Cited the first valve seat.
  • a rigid stem connects the valve head with the valve ring and helical springs under compression normally UNITED STATES PATENTS urge the valve ring against the first seat and the valve head out 2,828,893 4/1958 Stewart et al.
  • This invention relates to a liquid metering and discharge device for intermittently delivering a predetermined amount of liquid upon actuation thereof.
  • metering devices are presently available for use in delivering a predetermined amount of liquid.
  • these devices are usually formed of a large number of parts, have metallic springs which make the device difficult and expensive to assemble and complicated to install, and which because of their cost must be individually attached and detached from the various containers of liquid with which such material is utilized.
  • the present invention overcomes these objections by providing a device which may be threadedly or otherwise secured on the neck of a container and which may be of such low cost and ease of manufacture that the metering and discharging device according to this invention may be disposed of or thrown away with the emptied container.
  • the construction of this invention features a valve assembly having a valve ring which normally engages a first valve seat to prevent flow of fluid from the container and out of the mouth of the device.
  • a stem integrally interconnects the valve ring with a valve head and an actuating rod. When the rod is actuated, it pushes the valve head against a second valve seat while lifting the valve find thereby allowing a predetermined amount of fluid to enter a reservoir. Then, release of the actuating rod will cause helical springs integral withthe valve ring to push the valve ring into a closed position and allow fluid from the reservoir position to pass out of the mouth since the valve head will be lifted off its valve seat.
  • One of the particular features of the invention lies in the utilization of a truncated valve ring having a resilient gasket which is integrally connected to the valve head by a stem and which is integrally interconnected with a mounting ring by a plurality of helical springs.
  • the housing utilized in the invention is of a multiple step construction, there being four main portions of different diameters in the housing, namely a mounting portion, a main body portion, a reservoir, and a mouth portion.
  • Still further objects and features of this invention reside in the provision of a metering and discharging devicefor liquids that is adapted to be easily secured on a liquid container and normally providing a closure therefor, which is simple in construction and manufacture, inexpensive to mass produce and which is capable of being reused if so desired.
  • FIG. 1 is a vertical sectional view of the metering and discharge device as it is actuated with the valve head engaging its valve seat;
  • FIG. 2 is an elevational view of the device according tothe invention shown in its normal position with the valve ring engaging its valve seat;
  • FIG. 3 is a horizontal sectional view taken along the plane of line 3-3 in FIG. 1;
  • FIG. 4 is a horizontal sectional view taken along the plane of line 4-4 in FIG. 2.
  • reference numeral is used to generally designate the metering and discharge device according to the present invention which is adapted to be secured to a container, generally indicated by numeral 12, having any suitable liquid therein.
  • the container 12 is provided with a nebk 14 which is externally threaded at '16 and is adapted to have the device 10 secured thereon.
  • the device 10 includes an enlarged portion 18, which is internally threaded at for threaded engagement with the external thread 16 of the neck 14.
  • the enlarged portion 18 is an integral part of the housing 22, which includes a main body portion 24 of lesser diameter than the enlarged portion 18 thus forming a step 26 and a shoulder 28.
  • a reservoir portion 30 is of lesser diameter than the main body portion 24 forming a step 32 and a shoulder 34 as well as a first valve seat 36 which is the interior peripheral corner of the shoulder 34.
  • the lower portion 40 of the reservoir portion is downwardly and inwardly tapered leading into a cylindrical mouth portion 42 terminating in an open mouth having a valve seat 44 defined by the lower inner peripheral edge of the mouth portion 42.
  • a valve assembly is mounted in the housing 22 with only the valve head 52 extending beyond the housing.
  • the valve head is of a truncated conical shape and is adapted to engage the valve seat 44 when a rod 54, forming an extension of the valve head 52 and which extends beyond the valve head, is engaged by an actuating device, such as a cam or the like, to move the valve assembly 50.
  • Integrally formed with the valve head 52 is a hollow stem 56 which is in turn integrally formed with a valve ring 58 of truncated conical shape provided with a groove 60 therein for reception of a resilient gasket 62 of rubber or rubber-like material, such as any of the suitable synthetic plastic materials.
  • valve ring 58 Integrally formed with the valve ring 58 are a plurality of helical springs 64 which in turn are integral with a mounting ring 66 which engages or alternatively is bonded to the shoulder 28.
  • the entire valve assembly may be molded of any suitable synthetic plastic material, such as polyurethane, or the like, and it is to be noted that the valve head 52 and the rod head 55 may be outwardly flared to a shape as shown after the valve assembly has been placed in the housing.
  • a guide 70 which includes a guide ring 72 and legs 74 for securing the guide to the housing, may be provided for the stem and may be inserted into the reservoir portion and bonded or spin welded, preferably, to the tapered portion 40.
  • a metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, a helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said firstvalve seat and said valve head out of contact with said second valve seat, said housing including an enlarged portion including means for detachably securing said device to a liquid container, said enlarged portion forming a second shoulder, said mounting means including a ring engaging said second shoulder.
  • a metering device according to claim 1, wherein said spring means are integral with said mounting ring and said valve ring.
  • a metering device according to claim 1, wherein said rigid means includes a stem integral with said valve ring and said valve head.
  • a metering device according to claim 3, wherein said spring means integrally join said mounting means and said valve ring.
  • a metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, and helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said first valve seat and said valve head out of contact with said second valve seat, said valve ring being of a truncated conical shape, said valve ring having a peripheral groove therein, and a resilient gasket seated in said groove for engaging said first valve seat.
  • valve head is of a truncated conical shape, and an actuating rod integral with said rigid means projecting beyond said valve head, and guide means in said housing surrounding said stem for guiding said valve head.

Abstract

A metering device adapted to be secured to a container of fluid comprising a housing having a main body portion and a reservoir portion of lesser dimensions than said main body. The housing has a shoulder forming a first valve seat. The reservoir portion has a second valve seat. A valve assembly is disposed mainly in said housing and has a valve head engageable with the second valve seat and a valve ring engageable with the first valve seat. A rigid stem connects the valve head with the valve ring and helical springs under compression normally urge the valve ring against the first seat and the valve head out of contact with the second valve seat.

Description

United States Patent Schwartzman [451 Apr. 25, 1972 [54] METERING AND DISCHARGE DEVICE Primary Examiner-Robert B. Reeves Assistant Examiner-John P. Shannon, Jr.
[72] Inventor: Gilbert Schwartzman, 20 Wilmot Circle,
Scarsdale, NY. 10583 Attorney-Kenneth S. Goldfarb [22] Filed: Feb. 27, 1970 [57] ABSTRACT [21] PP 15,055 A metering device adapted to be secured to a container of fluid comprising a housing having a main body portion and a 52 u.s.c1 122/453, 222/518 reservoir P" of lesser dimensims than Said main [51] lnt.Cl. ..G0lf 11/32 The housing has a Shoulder forming a first Valve Seat- The [58] Field of Search ..222/453, 449, 518, 443, 450, reservoir portion has a Second valve Seat A valve assembly is 222/451 disposed mainly in said housing and has a valve head engageable with the second valve seat and a valve ring engageable with [56] References Cited the first valve seat. A rigid stem connects the valve head with the valve ring and helical springs under compression normally UNITED STATES PATENTS urge the valve ring against the first seat and the valve head out 2,828,893 4/1958 Stewart et al. ..222 453 Contact with the Second valve seat- 3,14l,585 7/1964 Emmert ..222/453 X 3,349,966 10/1967 Schwartzman ..222/5l8 x 6 4 FOREIGN PATENTS OR APPLICATIONS 1,410,366 8/1965 France ..222/453 li o I. h
\ g a if}? 6 2a n" a; /5
ffl 60 i I r/ .50 w 2 -34 I l 1 32 1 1 34 2- y 5 J 34 i 71 70 METERING AND DISCHARGE DEVICE This invention relates to a liquid metering and discharge device for intermittently delivering a predetermined amount of liquid upon actuation thereof.
Various types of metering devices are presently available for use in delivering a predetermined amount of liquid. However, these devices are usually formed of a large number of parts, have metallic springs which make the device difficult and expensive to assemble and complicated to install, and which because of their cost must be individually attached and detached from the various containers of liquid with which such material is utilized.
The present invention overcomes these objections by providing a device which may be threadedly or otherwise secured on the neck of a container and which may be of such low cost and ease of manufacture that the metering and discharging device according to this invention may be disposed of or thrown away with the emptied container.
The construction of this invention features a valve assembly having a valve ring which normally engages a first valve seat to prevent flow of fluid from the container and out of the mouth of the device. A stem integrally interconnects the valve ring with a valve head and an actuating rod. When the rod is actuated, it pushes the valve head against a second valve seat while lifting the valve find thereby allowing a predetermined amount of fluid to enter a reservoir. Then, release of the actuating rod will cause helical springs integral withthe valve ring to push the valve ring into a closed position and allow fluid from the reservoir position to pass out of the mouth since the valve head will be lifted off its valve seat.
One of the particular features of the invention lies in the utilization of a truncated valve ring having a resilient gasket which is integrally connected to the valve head by a stem and which is integrally interconnected with a mounting ring by a plurality of helical springs. The housing utilized in the invention is of a multiple step construction, there being four main portions of different diameters in the housing, namely a mounting portion, a main body portion, a reservoir, and a mouth portion.
Still further objects and features of this invention reside in the provision of a metering and discharging devicefor liquids that is adapted to be easily secured on a liquid container and normally providing a closure therefor, which is simple in construction and manufacture, inexpensive to mass produce and which is capable of being reused if so desired.
These, together with the various ancillary objects and 'features of the present invention, which will become apparent as the following description proceeds, are attained by this liquid metering and discharging device,.a preferred embodiment of which is illustrated in the accompanying drawing, by way of example only, wherein:
FIG. 1 is a vertical sectional view of the metering and discharge device as it is actuated with the valve head engaging its valve seat;
FIG. 2 is an elevational view of the device according tothe invention shown in its normal position with the valve ring engaging its valve seat;
FIG. 3 is a horizontal sectional view taken along the plane of line 3-3 in FIG. 1; and,
FIG. 4 is a horizontal sectional view taken along the plane of line 4-4 in FIG. 2.
With continuing reference to the accompanying drawing, wherein like reference numerals designate similar parts throughout the various views, reference numeral is used to generally designate the metering and discharge device according to the present invention which is adapted to be secured to a container, generally indicated by numeral 12, having any suitable liquid therein. The container 12 is provided with a nebk 14 which is externally threaded at '16 and is adapted to have the device 10 secured thereon. The device 10 includes an enlarged portion 18, which is internally threaded at for threaded engagement with the external thread 16 of the neck 14. The enlarged portion 18 is an integral part of the housing 22, which includes a main body portion 24 of lesser diameter than the enlarged portion 18 thus forming a step 26 and a shoulder 28. A reservoir portion 30 is of lesser diameter than the main body portion 24 forming a step 32 and a shoulder 34 as well as a first valve seat 36 which is the interior peripheral corner of the shoulder 34. The lower portion 40 of the reservoir portion is downwardly and inwardly tapered leading into a cylindrical mouth portion 42 terminating in an open mouth having a valve seat 44 defined by the lower inner peripheral edge of the mouth portion 42.
A valve assembly, generally indicated at 50, is mounted in the housing 22 with only the valve head 52 extending beyond the housing. The valve head is of a truncated conical shape and is adapted to engage the valve seat 44 when a rod 54, forming an extension of the valve head 52 and which extends beyond the valve head, is engaged by an actuating device, such as a cam or the like, to move the valve assembly 50. Integrally formed with the valve head 52 is a hollow stem 56 which is in turn integrally formed with a valve ring 58 of truncated conical shape provided with a groove 60 therein for reception of a resilient gasket 62 of rubber or rubber-like material, such as any of the suitable synthetic plastic materials. Integrally formed with the valve ring 58 are a plurality of helical springs 64 which in turn are integral with a mounting ring 66 which engages or alternatively is bonded to the shoulder 28. The entire valve assembly may be molded of any suitable synthetic plastic material, such as polyurethane, or the like, and it is to be noted that the valve head 52 and the rod head 55 may be outwardly flared to a shape as shown after the valve assembly has been placed in the housing. A guide 70, which includes a guide ring 72 and legs 74 for securing the guide to the housing, may be provided for the stem and may be inserted into the reservoir portion and bonded or spin welded, preferably, to the tapered portion 40.
In operation, with the device as shown in the position in FIG. 2, all of the fluid in the reservoir portion will have passed outwardly of the housing in the direction of arrows 80. Upon actuation of the rod 54, the valve head 52 will be pushed into a closed position, while the valve ring 58 will be disengaged from its valve seat 36 allowing fluid to enter and fill the reservoir 30. Upon release of the rod 54, the springs 64, which are normally under compression, will urge the valve ring 58 to snap into engagement with the valve seat 36 stopping further flow into the reservoir portion, while at the same time permitting fluid in the reservoir portion to pass out of the mouth in the direction of arrows 80.
A latitude of modification, substitution and change is intended in the foregoing disclosure, and in some instances some features of the invention will be employed without a corresponding use of other features.
I claim:
1. A metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, a helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said firstvalve seat and said valve head out of contact with said second valve seat, said housing including an enlarged portion including means for detachably securing said device to a liquid container, said enlarged portion forming a second shoulder, said mounting means including a ring engaging said second shoulder.
2. A metering device according to claim 1, wherein said spring means are integral with said mounting ring and said valve ring.
3. A metering device according to claim 1, wherein said rigid means includes a stem integral with said valve ring and said valve head.
4. A metering device according to claim 3, wherein said spring means integrally join said mounting means and said valve ring.
5. A metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, and helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said first valve seat and said valve head out of contact with said second valve seat, said valve ring being of a truncated conical shape, said valve ring having a peripheral groove therein, and a resilient gasket seated in said groove for engaging said first valve seat.
6. A metering device according to claim 5, wherein said valve head is of a truncated conical shape, and an actuating rod integral with said rigid means projecting beyond said valve head, and guide means in said housing surrounding said stem for guiding said valve head.
* a: an

Claims (6)

1. A metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, a helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said first valve seat and said valve head out of contact with said second valve seat, said housing including an enlarged portion including means for detachably securing said device to a liquid container, said enlarged portion forming a second shoulder, said mounting means including a ring engaging said second shoulder.
2. A metering device according to claim 1, wherein said spring means are integral with said mounting ring and said valve ring.
3. A metering device according to claim 1, wherein said rigid means includes a stem integral with said valve ring and said valve head.
4. A metering device according to claim 3, wherein said spring means integrally join said mounting means and said valve ring.
5. A metering device comprising a housing having a main body portion and having a reservoir portion of lesser dimensions than said main body portion, said housing having a shoulder between said main body portion and said reservoir portion forming a first valve seat, said reservoir portion having a mouth forming a second valve seat, a valve assembly disposed mainly in said housing and having a valve head engageable with said second valve seat, mounting means for securing in said housing the end of said valve assembly remote from said second valve seat, a valve ring engageable with said first valve seat, rigid means connecting said valve head with said valve ring, and helical spring means connecting said valve ring and said mounting means, said spring means being under compression and normally urging said valve ring against said first valve seat and said valve head out of contact with said second valve seat, said valve ring being of a truncated conical shape, said valve ring having a peripheral groove therein, and a resilient gasket seated in said groove for engaging said first valve seat.
6. A metering device according to claim 5, wherein said valve head is of a truncated conical shape, and an actuating rod integral with said rigid means projecting beyond said valve head, and guide means in said housing surrounding said stem for guiding said valve head.
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Cited By (35)

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Publication number Priority date Publication date Assignee Title
EP0022589A3 (en) * 1979-07-11 1982-04-07 Cadbury Schweppes Limited Beverage dispenser comprising a liquid dispensing package and valve, a manifold and a diluent tank
US4408701A (en) * 1980-04-16 1983-10-11 Cadbury Schweppes Plc Liquid dispensing valve
US4461408A (en) * 1982-06-08 1984-07-24 Shepard John S Dispenser
US4523697A (en) * 1979-07-11 1985-06-18 Cadbury Schweppes Limited Liquid dispensing package
US4807785A (en) * 1987-08-03 1989-02-28 Pritchett Eddie J Liquid dispensing device
US4869405A (en) * 1988-07-22 1989-09-26 The Coca-Cola Company Disposable package for dispensing liquids having viscosity compensation means and device therefor
US5092497A (en) * 1989-08-25 1992-03-03 Manfred Toedter Dosing apparatus for an exact decanting of flowable liquids
WO1994026612A2 (en) * 1993-05-15 1994-11-24 Henkel Kommanditgesellschaft Auf Aktien Dosing cap
US5680970A (en) * 1994-02-17 1997-10-28 Liqui-Box Corporation Self closing dispensing valve biased by resilient fingers
US6109484A (en) * 1997-03-14 2000-08-29 Sun Medical Co Ltd Dropping container
US6223791B1 (en) 1999-10-21 2001-05-01 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6276572B1 (en) * 2000-08-10 2001-08-21 Sussex Technology Inc. Measuring device with conical cap
US6343723B1 (en) * 2000-04-07 2002-02-05 Frederick R. Hickerson Measuring device for dispensing a predetermined quantity of liquid
US6367521B2 (en) 1997-10-08 2002-04-09 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6450214B1 (en) 2001-08-31 2002-09-17 3M Innovative Properties Company Gravity feed fluid dispensing valve
US20030027359A1 (en) * 2001-07-25 2003-02-06 Hudak Robert Thomas Specimen collection container
US20030146246A1 (en) * 2002-02-07 2003-08-07 Arsenault Cathleen M. Dosing device
US20040132091A1 (en) * 2003-01-04 2004-07-08 Ramsey James T. Specimen collection and assay container
US20050029286A1 (en) * 2002-02-07 2005-02-10 Bergin Cathleen A. Dosing device
US20050048670A1 (en) * 2003-08-25 2005-03-03 Yuzhang Wu Biological specimen collection and analysis system
US7270959B2 (en) 2001-07-25 2007-09-18 Oakville Hong Kong Company Limited Specimen collection container
US20080112847A1 (en) * 2006-11-15 2008-05-15 Nancy Yu Chen Collecting and testing device and method of use
US20080237276A1 (en) * 2007-03-26 2008-10-02 Joseph Craig Lester Discharge device for viscous liquids
US20080237273A1 (en) * 2007-03-26 2008-10-02 The Procter & Gamble Company Discharge device
US20080237274A1 (en) * 2007-03-26 2008-10-02 The Procter & Gamble Company Discharge device
US20080237275A1 (en) * 2007-03-26 2008-10-02 The Procter & Gamble Company Discharge device
US20090159618A1 (en) * 2007-07-16 2009-06-25 Rodney Laible Dispensing and/or dosing system including an improved throat plug assembly
US20110089191A1 (en) * 2009-09-18 2011-04-21 Gene Michael Altonen Unit Dose Dispensing Apparatus
US8550302B1 (en) 2012-05-07 2013-10-08 Rodney Laible Wall mounted dispenser
US8708199B2 (en) 2011-02-07 2014-04-29 Mark Edward James Bulk dispensing system and method
US8939322B2 (en) 2012-05-07 2015-01-27 Rodney Laible Wall mounted dispenser
US20190047754A1 (en) * 2017-08-09 2019-02-14 Chapin Manufacturing, Inc. Dosing cap and system and method of using same
US10422679B2 (en) * 2017-03-27 2019-09-24 Wisys Technology Foundation, Inc. Metering nozzle for squeeze bottle
US20220411253A1 (en) * 2019-12-24 2022-12-29 Vitop Moulding S.R.L. Dispensing tap for rigid and flexible containers, preferably of the bag-in-box type
WO2023173156A1 (en) * 2022-03-17 2023-09-21 Eoos Next Gmbh Device for the dosed dispensing of a volume of fluid

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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022589A3 (en) * 1979-07-11 1982-04-07 Cadbury Schweppes Limited Beverage dispenser comprising a liquid dispensing package and valve, a manifold and a diluent tank
US4523697A (en) * 1979-07-11 1985-06-18 Cadbury Schweppes Limited Liquid dispensing package
EP0159399A1 (en) * 1979-07-11 1985-10-30 Cadbury Schweppes Plc Liquid dispensers
US4664292A (en) * 1979-07-11 1987-05-12 Cadbury Schweppes, Plc Method and apparatus for mixing in a diluent and concentrate in free space
US4408701A (en) * 1980-04-16 1983-10-11 Cadbury Schweppes Plc Liquid dispensing valve
US4461408A (en) * 1982-06-08 1984-07-24 Shepard John S Dispenser
US4807785A (en) * 1987-08-03 1989-02-28 Pritchett Eddie J Liquid dispensing device
US4869405A (en) * 1988-07-22 1989-09-26 The Coca-Cola Company Disposable package for dispensing liquids having viscosity compensation means and device therefor
AU609322B2 (en) * 1988-07-22 1991-04-26 Coca-Cola Company, The Disposable package for dispensing liquids having viscosity compensation means for device therefor
US5092497A (en) * 1989-08-25 1992-03-03 Manfred Toedter Dosing apparatus for an exact decanting of flowable liquids
WO1994026612A2 (en) * 1993-05-15 1994-11-24 Henkel Kommanditgesellschaft Auf Aktien Dosing cap
WO1994026612A3 (en) * 1993-05-15 1995-01-19 Henkel Kgaa Dosing cap
US5680970A (en) * 1994-02-17 1997-10-28 Liqui-Box Corporation Self closing dispensing valve biased by resilient fingers
US6109484A (en) * 1997-03-14 2000-08-29 Sun Medical Co Ltd Dropping container
US6367521B2 (en) 1997-10-08 2002-04-09 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6488058B1 (en) 1997-10-08 2002-12-03 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6223791B1 (en) 1999-10-21 2001-05-01 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6354346B2 (en) 1999-10-21 2002-03-12 3M Innovative Properties Company Gravity feed fluid dispensing valve
US6343723B1 (en) * 2000-04-07 2002-02-05 Frederick R. Hickerson Measuring device for dispensing a predetermined quantity of liquid
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