WO2000027746A1 - Integrated vent and fluid transfer fitment - Google Patents

Integrated vent and fluid transfer fitment Download PDF

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Publication number
WO2000027746A1
WO2000027746A1 PCT/US1999/025576 US9925576W WO0027746A1 WO 2000027746 A1 WO2000027746 A1 WO 2000027746A1 US 9925576 W US9925576 W US 9925576W WO 0027746 A1 WO0027746 A1 WO 0027746A1
Authority
WO
WIPO (PCT)
Prior art keywords
check valve
fluid
transfer
fitment
vent
Prior art date
Application number
PCT/US1999/025576
Other languages
French (fr)
Inventor
Phillip Gene Nagel
James Christopher Bailey
Gordon Edgar Atkinson
Arnold George Benecke
Original Assignee
The Procter & Gamble Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to JP2000580933A priority Critical patent/JP2002529329A/en
Priority to BR9915162-6A priority patent/BR9915162A/en
Priority to EP99960181A priority patent/EP1129025A1/en
Priority to CA002348444A priority patent/CA2348444C/en
Priority to AU17108/00A priority patent/AU1710800A/en
Publication of WO2000027746A1 publication Critical patent/WO2000027746A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/22—Mops with liquid-feeding devices
    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0029—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
    • B67D3/0032—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers the bottle or container being held upside down and provided with a closure, e.g. a cap, adapted to cooperate with a feed tube
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43—Solvents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay

Definitions

  • the present invention relates to an improved vent and fluid transfer fitment, and more particularly, to a vent and fluid transfer fitment for a fluid-filled container that allows the contents of the container to be vented while being transferred without the contents spilling when the container is inverted.
  • vent and fluid transfer systems utilize a non-inverted container having a dip tube for transferring fluid from the container.
  • the container is typically vented using a hole in the top of the container.
  • the fluid within these systems leak when the container is in an inverted orientation.
  • vented trigger sprayers to dispense fluids from a container. These systems typically use a switch mechanism to close the vent except when the unit is dispensing. However, leakage can occur if the unit is actuated when the container is in a sideways or inverted orientation.
  • a third approach has been to provide a container with walls that are sufficiently thin such that they collapse under the vacuum pressure created by the removal of the container's contents.
  • This type of system eliminates the need to allow air into the container to displace the fluid that is dispensed from the container.
  • the system does not allow a steady fluid flow from the container as the fluid flow will decrease as the vacuum pressure within the container increases.
  • FIG. la is a cross-sectional assembly drawing of the preferred vent and fluid transfer fitment in relation to a container and a receiver attachment according to the preferred embodiment of the present invention.
  • FIG. lb is a top view of the preferred vent and fluid transfer fitment according to the present invention.
  • FIG. lc is a cross-sectional view of an alternate vent and fluid transfer fitment according to the present invention.
  • FIG. 2 is a cross-sectional view of the preferred vent and fluid transfer fitment, as assembled, in relation to the container and the receiver attachment according to the present invention.
  • FIG. 3a is a top view of a first alternate vent and fluid transfer fitment according to the present invention.
  • FIG. 3b is a side assembly drawing of a septum valve of the first alternate vent and fluid transfer fitment in relation to a container according to the present invention.
  • FIG. 3c is a cross-sectional view of an umbrella valve of the first alternate vent and fluid transfer fitment according to the present invention.
  • FIG. 4a is a top view of a dual slit valve of the second alternate vent and fluid transfer fitment according to the present invention.
  • FIG. 4b is a side assembly drawing of a dual slit valve of the second alternate vent and fluid transfer fitment in relation to a container according to the present invention.
  • the preferred vent and fluid transfer fitment 10 comprises a transfer fitment 11 having a transfer check valve 12 and a venting check valve 13 and is shown in an unassembled (FIG. 1) and an assembled (FIG. 2) configuration.
  • the transfer fitment 11 is preferably a single molded part that contains both the transfer check valve 12 and the venting check valve 13 (FIGS, la and lb).
  • the fitment 11 may include a cap or closure 14 in which a separate transfer check valve 12 and venting check valve 13 are inserted (FIG. lc) without deviating from the intent of the invention.
  • the preferred transfer fitment 11 may have support ribs 15 which add stability to the transfer fitment 11 and particularly to the transfer check valve
  • valves 12 and 13 are preferably duckbill valves which have an inherent sealing pressure and which are oriented in the same direction.
  • the valves 12 and 13 may comprise a variety of valves without deviating from the intent of the invention.
  • the check valves 12 and 13 may comprise umbrella valves, ball and spring check valves or a slit valve.
  • the venting check valve 13 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention.
  • the fitment 11, the transfer check valve 12, and the venting check valve 13 preferably comprise an elastomeric material.
  • the preferred transfer duckbill valve 12 has an open end 12a and a closed
  • the preferred venting duckbill valve 13 also has an open end 13a and a closed “beak” end 13b which remains in a closed position when the venting duckbill valve 12 is in the relaxed state (FIG. la).
  • the preferred fitment 11 is attached to a fluid filled bottle 16, specifically an opening 17, by snapping a snap bead 18 of the fitment 11 into a snap rim 19 of the bottle 16.
  • the fitment 11 may be attached to the bottle 16 using screw threads 20 on a bottle finish 21 as is well known in the art. After attaching the preferred fitment 11 to the bottle 16, the bottle 16 may be inverted without allowing the contents of the fluid within the bottle 16 to exit due to the valves 12 and 13 being in the relaxed state as seen in FIG. la and the ends 12b and 13b remaining closed.
  • the preferred fitment 11 and bottle 16 assembly is connected to a receiver attachment 22 which has a probe tip 23 and an air vent groove 24.
  • the probe tip 23 has a first and second open end 23a and 23b, respectively.
  • the first open end 23a of the probe tip 23 deforms and opens the "beak" end 12b of the transfer duckbill valve 12 upon insertion into the open end 12a (FIG. 2).
  • the second open end 23b of the probe 23 is preferably connected to a tube 25 for guiding the fluid from the bottle 16 to a pump or reservoir (not shown).
  • the tube 25 and receiver attachment 22 may be formed as a single piece without deviating from the intent of the invention.
  • the fluid Upon insertion of the receiver attachment's probe 23 into the transfer duckbill valve 12, the fluid is transferred by gravity through the probe tip 23 as it deforms and opens the transfer duckbill valve 12. As a result, a vacuum (sub-atmospheric) pressure is created within the bottle 16.
  • a vacuum sub-atmospheric
  • the sealing pressure of the venting duckbill valve 13 is less than the sealing pressure of the transfer duckbill valve 12.
  • the vacuum (sub-atmospheric) pressure created within the bottle 16 will cause the venting duckbill valve 13 to open and not the transfer duckbill valve 12 beyond the opening created by the displacement of the valve 12 due to the probe 23.
  • the air vent groove 24 in the receiver attachment 22 ensures that air can reach the venting duckbill valve 13 and be drawn into the bottle 16 when sufficient sub- atmospheric pressure is generated by the transfer of the fluid from the bottle 16.
  • the probe tip 23 As the probe tip 23 is pushed through the transfer duckbill valve 12 (FIG. 2), the probe 23 seals along the inside wall of the duckbill valve 12. In the fully seated position (FIG. 2), the probe 23 extends through the open end 12a of the duckbill valve 12 and provides a fluid path to the tube 25.
  • the first alternate vent and fluid transfer fitment preferably comprises the transfer fitment 11 having a transfer check valve 27 (FIGS. 3a and 3b) and a venting check valve 28.
  • the alternate transfer check valve 27 is preferably a septum valve and the alternate venting check valve 28 is preferably an umbrella valve, both of which have an inherent sealing pressure and which are oriented in the same direction.
  • the alternate venting check valve 28 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention.
  • the septum valve 27 is attached to the container 16 using a fitment 30.
  • the septum valve 27 and the umbrella valve 28 may be formed from a single piece as shown in FIG. 3c.
  • the probe 23 is inserted through a slit 29 in the umbrella valve 28.
  • the umbrella valve 28 has an umbrella portion 31 which sealingly covers an air vent 32.
  • the umbrella valve 28 is attached to the bottle 16 using a fitment 33.
  • the septum valve 27 seals the opening 17 of the bottle 16 when the bottle 16 is inverted.
  • the slit 29 allows the probe 23 to be inserted within the septum valve 27 for the transfer of the contents within the bottle 16.
  • the second alternate vent and fluid transfer fitment 34 preferably comprises the transfer fitment 11 having a dual slit transfer check valve 35 and venting check valve 36.
  • Both the alternate transfer check valve 35 and the alternate venting check valve 36 are preferably slit valves having slits 37 and 38, respectively.
  • both the transfer slit valve 35 and the venting slit valve 36 have an inherent sealing pressure and are oriented in the same direction.
  • the probe 23 is inserted within the slit 37 of the transfer slit valve 35.
  • the slit 38 of the venting slit valve 36 will open and allow air to be drawn within the bottle 16 until the pressure differential is equalized.
  • the alternate venting check valve 36 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Closures For Containers (AREA)
  • Check Valves (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

A vent and fluid transfer fitment (10) for sealing and transferring a fluid from an inverted fluid-filled container (16) without premature leakage to a receiver attachment (22), has a transfer check valve (12) and a venting check valve (13) which are preferably duckbill valves. The transfer check valve is attached to the fitment for allowing fluid to be transferred from the container when the receiver attachment engages the transfer check valve. The venting check valve is also attached to the fitment for allowing air to displace the fluid as the fluid exits the container, wherein both the transfer check valve and the venting check valve have an inherent sealing pressure created by the static pressure of the fluid within the container. In addition, the inherent sealing pressure of the venting check valve is less than the inherent sealing pressure of the transfer check valve which allows air to enter the container due to the pressure differential created as the fluid is displaced.

Description

INTEGRATED VENT AND FLUID TRANSFER FITMENT
Field of the Invention
The present invention relates to an improved vent and fluid transfer fitment, and more particularly, to a vent and fluid transfer fitment for a fluid-filled container that allows the contents of the container to be vented while being transferred without the contents spilling when the container is inverted.
Background of the Invention
Conventional vent and fluid transfer systems utilize a non-inverted container having a dip tube for transferring fluid from the container. The container is typically vented using a hole in the top of the container. However, the fluid within these systems leak when the container is in an inverted orientation.
Another approach has been to use vented trigger sprayers to dispense fluids from a container. These systems typically use a switch mechanism to close the vent except when the unit is dispensing. However, leakage can occur if the unit is actuated when the container is in a sideways or inverted orientation.
A third approach has been to provide a container with walls that are sufficiently thin such that they collapse under the vacuum pressure created by the removal of the container's contents. This type of system eliminates the need to allow air into the container to displace the fluid that is dispensed from the container. However, the system does not allow a steady fluid flow from the container as the fluid flow will decrease as the vacuum pressure within the container increases.
Therefore, what is needed is an improved vent and fluid transfer fitment that allows fluid to be uniformly transferred from an inverted container without leaking and which vents the container such that the displaced fluid is replaced by air. Summary of the Invention
It is an object of the present invention to provide an improved vent and fluid transfer fitment.
It is a further object of the present invention to provide a vent and fluid transfer fitment for sealing and transferring a fluid from an inverted fluid-filled container without premature leakage to a receiver attachment, comprising a transfer check valve attached to the fitment for allowing fluid to be transferred from the container when the receiver attachment engages the transfer check valve, and a venting check valve attached to the fitment for allowing air to displace the fluid as the fluid exits the container, wherein both the transfer check valve and the venting check valve have an inherent sealing pressure created by the static pressure of the fluid within the container.
Brief Description of the Drawings FIG. la is a cross-sectional assembly drawing of the preferred vent and fluid transfer fitment in relation to a container and a receiver attachment according to the preferred embodiment of the present invention.
FIG. lb is a top view of the preferred vent and fluid transfer fitment according to the present invention. FIG. lc is a cross-sectional view of an alternate vent and fluid transfer fitment according to the present invention.
FIG. 2 is a cross-sectional view of the preferred vent and fluid transfer fitment, as assembled, in relation to the container and the receiver attachment according to the present invention. FIG. 3a is a top view of a first alternate vent and fluid transfer fitment according to the present invention.
FIG. 3b is a side assembly drawing of a septum valve of the first alternate vent and fluid transfer fitment in relation to a container according to the present invention. FIG. 3c is a cross-sectional view of an umbrella valve of the first alternate vent and fluid transfer fitment according to the present invention.
FIG. 4a is a top view of a dual slit valve of the second alternate vent and fluid transfer fitment according to the present invention.
FIG. 4b is a side assembly drawing of a dual slit valve of the second alternate vent and fluid transfer fitment in relation to a container according to the present invention.
.Detailed Description of the Invention Referring to FIGS. 1 and 2, the preferred vent and fluid transfer fitment 10 comprises a transfer fitment 11 having a transfer check valve 12 and a venting check valve 13 and is shown in an unassembled (FIG. 1) and an assembled (FIG. 2) configuration. The transfer fitment 11 is preferably a single molded part that contains both the transfer check valve 12 and the venting check valve 13 (FIGS, la and lb). However, the fitment 11 may include a cap or closure 14 in which a separate transfer check valve 12 and venting check valve 13 are inserted (FIG. lc) without deviating from the intent of the invention.
In addition, the preferred transfer fitment 11 may have support ribs 15 which add stability to the transfer fitment 11 and particularly to the transfer check valve
12 as shown in FIGS, la and lb. The transfer check valve 12 and the venting check valve
13 are preferably duckbill valves which have an inherent sealing pressure and which are oriented in the same direction. However, the valves 12 and 13 may comprise a variety of valves without deviating from the intent of the invention. For example, the check valves 12 and 13 may comprise umbrella valves, ball and spring check valves or a slit valve. In addition, the venting check valve 13 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention. The fitment 11, the transfer check valve 12, and the venting check valve 13 preferably comprise an elastomeric material. The preferred transfer duckbill valve 12 has an open end 12a and a closed
"beak" end 12b which remains in a closed position when the transfer duckbill valve 12 is in the relaxed state (FIG. la). The preferred venting duckbill valve 13 also has an open end 13a and a closed "beak" end 13b which remains in a closed position when the venting duckbill valve 12 is in the relaxed state (FIG. la). The preferred fitment 11 is attached to a fluid filled bottle 16, specifically an opening 17, by snapping a snap bead 18 of the fitment 11 into a snap rim 19 of the bottle 16. However, the fitment 11 may be attached to the bottle 16 using screw threads 20 on a bottle finish 21 as is well known in the art. After attaching the preferred fitment 11 to the bottle 16, the bottle 16 may be inverted without allowing the contents of the fluid within the bottle 16 to exit due to the valves 12 and 13 being in the relaxed state as seen in FIG. la and the ends 12b and 13b remaining closed.
The preferred fitment 11 and bottle 16 assembly is connected to a receiver attachment 22 which has a probe tip 23 and an air vent groove 24. The probe tip 23 has a first and second open end 23a and 23b, respectively. The first open end 23a of the probe tip 23 deforms and opens the "beak" end 12b of the transfer duckbill valve 12 upon insertion into the open end 12a (FIG. 2). The second open end 23b of the probe 23 is preferably connected to a tube 25 for guiding the fluid from the bottle 16 to a pump or reservoir (not shown). However, the tube 25 and receiver attachment 22 may be formed as a single piece without deviating from the intent of the invention.
When the bottle 16 is in an inverted orientation (FIG. la), the internal static pressure acting against the "beak" end 12b and 13b of the duckbill valves 12 and 13, respectively, will seal the valves 12 and 13 tightly. Therefore, the valves 12 and 13 prevent fluid from prematurely flowing out of the inverted bottle 16 until the probe 23 of the receiver attachment 22 in inserted within the transfer duckbill valve 12
Upon insertion of the receiver attachment's probe 23 into the transfer duckbill valve 12, the fluid is transferred by gravity through the probe tip 23 as it deforms and opens the transfer duckbill valve 12. As a result, a vacuum (sub-atmospheric) pressure is created within the bottle 16. When the vacuum is sufficient to overcome the sealing pressure on the venting valve 13, a bubble of air will be drawn into the bottle 16 along an air flow path 26 (FIG. 2) which quickly relieves the vacuum pressure created within the bottle 16 by the fluid exiting and resumes the sealing pressure. Preferably, the sealing pressure of the venting duckbill valve 13 is less than the sealing pressure of the transfer duckbill valve 12. As a result, the vacuum (sub-atmospheric) pressure created within the bottle 16 will cause the venting duckbill valve 13 to open and not the transfer duckbill valve 12 beyond the opening created by the displacement of the valve 12 due to the probe 23.
The air vent groove 24 in the receiver attachment 22 ensures that air can reach the venting duckbill valve 13 and be drawn into the bottle 16 when sufficient sub- atmospheric pressure is generated by the transfer of the fluid from the bottle 16. As the probe tip 23 is pushed through the transfer duckbill valve 12 (FIG. 2), the probe 23 seals along the inside wall of the duckbill valve 12. In the fully seated position (FIG. 2), the probe 23 extends through the open end 12a of the duckbill valve 12 and provides a fluid path to the tube 25.
Referring to FIGS. 3a-3c, the first alternate vent and fluid transfer fitment preferably comprises the transfer fitment 11 having a transfer check valve 27 (FIGS. 3a and 3b) and a venting check valve 28. The alternate transfer check valve 27 is preferably a septum valve and the alternate venting check valve 28 is preferably an umbrella valve, both of which have an inherent sealing pressure and which are oriented in the same direction. As in the preferred embodiment, the alternate venting check valve 28 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention. The septum valve 27 is attached to the container 16 using a fitment 30. In addition, the septum valve 27 and the umbrella valve 28 may be formed from a single piece as shown in FIG. 3c. In this way, the probe 23 is inserted through a slit 29 in the umbrella valve 28. The umbrella valve 28 has an umbrella portion 31 which sealingly covers an air vent 32. The umbrella valve 28 is attached to the bottle 16 using a fitment 33. The septum valve 27 seals the opening 17 of the bottle 16 when the bottle 16 is inverted. The slit 29 allows the probe 23 to be inserted within the septum valve 27 for the transfer of the contents within the bottle 16. When the pressure builds sufficiently within the bottle 16, the inherent sealing pressure of the umbrella valve 28, specifically the umbrella portion 31, will release and air will be drawn within the bottle 16 until the pressure differential is equalized.
Referring to FIGS. 5 and 6, the second alternate vent and fluid transfer fitment 34 preferably comprises the transfer fitment 11 having a dual slit transfer check valve 35 and venting check valve 36. Both the alternate transfer check valve 35 and the alternate venting check valve 36 are preferably slit valves having slits 37 and 38, respectively. In addition, both the transfer slit valve 35 and the venting slit valve 36 have an inherent sealing pressure and are oriented in the same direction.
In operation, the probe 23 is inserted within the slit 37 of the transfer slit valve 35. When the vacuum pressure within the bottle 16 is sufficient to overcome the inherent sealing pressure of the venting slit valve 36, the slit 38 of the venting slit valve 36 will open and allow air to be drawn within the bottle 16 until the pressure differential is equalized. As in the preferred embodiment, the alternate venting check valve 36 may be located elsewhere on the bottle 16 and/or in a different orientation without deviating from the intent of the invention.
While the embodiment of the invention shown and described is fully capable of achieving the results desired, it is to be understood that this embodiment has been shown and described for purposes of illustration only and not for purposes of limitation. Other variations in the form and details that occur to those skilled in the art and which are within the spirit and scope of the invention are not specifically addressed. Therefore, the invention is limited only by the appended claims.

Claims

WHAT IS CLAIMED IS:
1. A vent and fluid transfer fitment for sealing and transferring a fluid from an inverted fluid-filled container without premature leakage to a receiver attachment, comprising: a transfer check valve attached to the fitment for allowing fluid to be transferred from the container when the receiver attachment engages said transfer check valve; and a venting check valve attached to the fitment for allowing air to displace the fluid as the fluid exits the container, wherein both said transfer check valve and said venting check valve have an inherent sealing pressure created by the static pressure of the fluid within the container.
2. The vent and fluid transfer fitment of claim 1 , wherein said transfer check valve comprises at least one of a duckbill valve, an umbrella check valve, a ball and spring check valve and a slit check valve.
3. The vent and fluid transfer fitment of claim 2, wherein said venting check valve comprises at least one of a duckbill valve, an umbrella check valve, a ball and spring check valve and a slit check valve.
4. The vent and fluid transfer fitment of claim 1 , wherein said transfer check valve and said venting check valve are positioned in the same orientation.
5. The vent and fluid transfer fitment of claim 1 , wherein said transfer check valve and said venting check valve are adjacent to one another.
6. The vent and fluid transfer fitment of claim 1 , wherein said inherent sealing pressure of said venting check valve is less than said inherent sealing pressure of said transfer check valve.
7. The vent and fluid transfer fitment of claim 1, wherein said transfer check valve and said venting check valve are formed into a single piece.
8. The vent and fluid transfer fitment of claim 1 , wherein the fluid is transferred from the container due to gravity.
9. A vent and fluid transfer assembly, comprising: a fluid-filled container having an opening; a fitment attached to said opening and having a venting check valve and a fluid transfer check valve, both said check valves having an inherent sealing pressure for sealing said check valves when said container is inverted; and a receiver attachment having a probe for engaging said fluid transfer check valve to allow transfer of the fluid from said inverted fluid-filled container.
10. The vent and fluid transfer assembly of claim 9, wherein said receiver attachment has a probe for engaging said fluid transfer check valve to allow transfer of the fluid from said inverted container.
11. The vent and fluid transfer assembly of claim 9, wherein said transfer check valve and said venting check valve are positioned in the same orientation.
12. The vent and fluid transfer assembly of claim 9, wherein said transfer check valve comprises at least one of a duckbill valve, an umbrella check valve, a ball and spring check valve and a slit check valve.
13. The vent and fluid transfer assembly of claim 12, wherein said venting check valve comprises at least one of a duckbill valve, an umbrella check valve, a ball and spring check valve and a slit check valve.
PCT/US1999/025576 1998-11-09 1999-10-29 Integrated vent and fluid transfer fitment WO2000027746A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000580933A JP2002529329A (en) 1998-11-09 1999-10-29 Integrated venting and fluid transfer fixture
BR9915162-6A BR9915162A (en) 1998-11-09 1999-10-29 Integrated ventilation and fluid transfer fitting
EP99960181A EP1129025A1 (en) 1998-11-09 1999-10-29 Integrated vent and fluid transfer fitment
CA002348444A CA2348444C (en) 1998-11-09 1999-10-29 Integrated vent and fluid transfer fitment
AU17108/00A AU1710800A (en) 1998-11-09 1999-10-29 Integrated vent and fluid transfer fitment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/188,604 US6206058B1 (en) 1998-11-09 1998-11-09 Integrated vent and fluid transfer fitment
US09/188,604 1998-11-09

Publications (1)

Publication Number Publication Date
WO2000027746A1 true WO2000027746A1 (en) 2000-05-18

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PCT/US1999/025576 WO2000027746A1 (en) 1998-11-09 1999-10-29 Integrated vent and fluid transfer fitment

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US (6) US6206058B1 (en)
EP (1) EP1129025A1 (en)
JP (1) JP2002529329A (en)
CN (1) CN1325363A (en)
AU (1) AU1710800A (en)
BR (1) BR9915162A (en)
CA (1) CA2348444C (en)
WO (1) WO2000027746A1 (en)

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US7131838B2 (en) 2003-11-07 2006-11-07 Nakanishi, Inc. Dental apparatus and fluid reservoir for the same
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RU2504506C2 (en) * 2008-11-17 2014-01-20 Рекитт Энд Колмэн (Оуверсиз) Лимитед Pressure-relief valve

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US20030034084A1 (en) 2003-02-20
US6722806B2 (en) 2004-04-20
US20010013381A1 (en) 2001-08-16
US20030194259A1 (en) 2003-10-16
US6491069B2 (en) 2002-12-10
EP1129025A1 (en) 2001-09-05
US6206058B1 (en) 2001-03-27
AU1710800A (en) 2000-05-29
CA2348444C (en) 2004-03-23
CA2348444A1 (en) 2000-05-18
US6612344B2 (en) 2003-09-02
US6427730B2 (en) 2002-08-06
JP2002529329A (en) 2002-09-10
BR9915162A (en) 2001-08-14
US20020162602A1 (en) 2002-11-07
CN1325363A (en) 2001-12-05
US20040007287A1 (en) 2004-01-15

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