CN1219916A - Pump spout having drip valve - Google Patents

Pump spout having drip valve Download PDF

Info

Publication number
CN1219916A
CN1219916A CN 97194865 CN97194865A CN1219916A CN 1219916 A CN1219916 A CN 1219916A CN 97194865 CN97194865 CN 97194865 CN 97194865 A CN97194865 A CN 97194865A CN 1219916 A CN1219916 A CN 1219916A
Authority
CN
China
Prior art keywords
pump
nozzle
way release
valve
fluid
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.)
Pending
Application number
CN 97194865
Other languages
Chinese (zh)
Inventor
J·D·诺尔科姆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CN1219916A publication Critical patent/CN1219916A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other

Abstract

A mechanical pump dispenser spout (10) has an inlet end (16), an outlet end (18) and a fluid-containing portion (14) therebetween. The fluid-containing portion (14) is angled upward from the inlet end (16) to the outlet end (18). The spout (10) also has a first one-way discharge valve (20) located at the inlet end of the spout (10). The first one-way discharge valve (20) is adapted to minimize air entering the pump from the spout (10). A second one-way discharge valve (24) is located at the outlet end of the spout (10) to minimize dripping of fluid from the fluid-containing portion (14) of the spout (10). The second one-way valve (24) faces downward. The first and the second one-way discharge valves open when the pump is actuated and close when the pump actuation is completed.

Description

The combined pump-nozzle that has drip valve
The present invention relates to a kind of combined pump-nozzle, exactly, is to ooze problematic low viscosity fluid or have the employed combined pump-nozzle of pump of the fluid of surfactant from nozzle about a kind of.In more detail, the present invention relates to a kind of combined pump-nozzle with admission valve, this admission valve is used to prevent that surrounding air from entering pump from nozzle.
In the dispenser technology field, the mechanical pump assembly has been known technology.This pump mainly uses the high viscosity fluid that is not easy to draw from container.Pump helps user's distributing fluids.In general, this pump assembly is that representative type bottle spare and being applicable to is installed in its bottom, when the downward Pressing pump nozzle of user driving pump, from the nozzle distributing fluids.Nozzle has the part that is easy to push with finger or palm.In general, nozzle also has the radially extendible portion that stretches out from container.In the inside of extendible portion radially is tubular conduit.In the outer end of tubular conduit is cutoff port, and usually, this cutoff port faces outer or arranges down, so that the user is when pushing distributing fluids by a hand, palm that can enough another hands is caught fluid.
Many pump assemblies all have the check valve that cooperates with the import of the discharge end of pump or nozzle.The effect of this check valve is to prevent that surrounding air from entering in pump or the container.Fluid in air meeting oxidation or pollution pump or the container.Entering of air also needs primer pump once more.When check valve stops air admission pump or container, equally also stoped the residual fluid in the nozzle to enter once more in pump or the container.Like this, fluid remains in the radially extendible portion of nozzle.Fluid remaining in the nozzle will dry up, thereby stops up tubular conduit.Therefore, there are some nozzles to be designed to have the structure of the tubular conduit of small size, can withered amount of fluid so that reduce.But in fact this increased the chance of stopping up.
When this jet pump assembly use has the fluid of low viscosity (LV) or surfactant, have been found that after the driving of pump finishes, the moistening nozzle surface of fluid meeting, and be easy to ooze from nozzle.After drawing, do not wish that fluid oozes from nozzle again, the bottom periphery of device or flow to the side of container downwards because the result that fluid oozes can make dirty.
Therefore some pump assemblies do not need nozzle with holding and operation.In some such pump assemblies, pump delivery valve is installed in outermost discharge point.But, since this discharge-service valve when not using without any reason towards below, therefore, can not flow out dropping liquid usually.When user's distributing fluids, assembly is downward-sloping, and when not in use, assembly is holded up.
An object of the present invention is to provide a kind of nozzle of mechanical pump assembly, this nozzle is provided with one second check valve at ragged edge and ventricumbent end, so that reduce residual fluid oozing from nozzle.
Another object of the present invention provides a kind of second check valve that is installed in the nozzle outermost end, when closing with first one-way release valve of convenient pump, reduces the withered of the fluid remain in the nozzle.
A further object of the present invention provides a kind of second check valve cross-sectional plane that holds fluid section and that be installed in the nozzle outermost end that can enlarged nozzle, so that reduce the decline of dispense pressure, does not have the withered worry of residual fluid simultaneously.
A further object of the present invention provides a kind of fluid section that holds, and most of length of this holding portion has only a very short part to face down towards the top, so that any fluid in the nozzle tubular portion is tending towards flowing to pump, and leaves the outermost end of nozzle.
An aspect of of the present present invention provides a kind of nozzle of pump dispenser, the nozzle of this pump dispenser to comprise nozzle is connected to device on the pump.Nozzle has an entrance point, an exit end and is positioned at the fluid section that holds between the two.Nozzle also has first one-way release valve that is installed in this nozzle inlet end.This first one-way release valve is applicable to that minimizing enters the air of pump from this nozzle.At nozzle exit end second one-way release valve is installed, this second one-way release valve is applicable to that reducing fluid holds oozing of fluid section from this nozzle.When driving pump, first and second one-way release valves are opened, and when the driving of pump finished, first and second one-way release valves were closed.
Best, second one-way release valve is opened when threshold pressure is about 72mmHg., and the pintongs valve preferably made by silaatic of this valve.
Another aspect of the present invention provides a kind of nozzle of pump dispenser, this nozzle to comprise nozzle is connected to device on the pump.Nozzle has an entrance point, an exit end and is positioned at the fluid section that holds between the two.This holds fluid section and is inclined upwardly from the entrance point to the exit end.Nozzle also has first one-way release valve that is installed in the nozzle inlet end.This first one-way release valve is applicable to that minimizing enters the air of pump from this nozzle.Be provided with one second one-way release valve at nozzle exit end, this second one-way release valve is applicable to that reducing fluid holds oozing of fluid section from this nozzle.The face down of second one-way release valve.When driving pump, first and second one-way release valves are opened, and when the driving of pump finished, first and second one-way release valves were closed.
Can draw claims by specification sheets, and claims particularly point out and clearly claimed the present invention.Believe that the present invention may be better understood by hereinafter following the description of accompanying drawing to most preferred embodiment of the present invention, in the accompanying drawings, components identical represents with identical sequence number, wherein:
Fig. 1 is the plan view from above of the most preferred embodiment of the combined pump-nozzle that has a drip valve of the present invention, there is shown pressing part and holds fluid section;
Fig. 2 is the sectional view of cutting open along 2-2 section line among Fig. 1, shows at the check valve of the ball valve form of nozzle inlet end with at the pintongs valve form check valve of nozzle exit end;
Fig. 3 is a flat sheet of the bottom view, shows other outward appearance of this pintongs shape check valve and other features of nozzle.
With reference to accompanying drawing, particularly with reference to Fig. 1, Fig. 2 and Fig. 3, there is shown the combined pump-nozzle with drip valve of the first embodiment of the present invention, this combined pump-nozzle is represented with sequence number 10.Combined pump-nozzle 10 has manual pressing part 12, holds fluid section 14, entrance point 16 and exit end 18.
At entrance point 16 one-way release valve 20 is installed, this one-way release valve 20 is for example graphic ball check valves.Return in the inspiration pump for fear of air admission pump or fluid, also can use flap valve and other check valves at the nozzle inlet end.Valve 20 also can link to each other with the discharge end of pump, and does not link to each other with the entrance point of nozzle.The mechanical pump that this combined pump-nozzle 10 typically is installed has been known technology, does not therefore show in the drawings.Can further consult the cessionary, that be entitled as " having supply container ventilation system and the whole movable pump chamber of leak free of carrying ", application on May 15 nineteen ninety-five, the application number that transfer the application about the detailed structure of this pump and be 08/441173 undelegated series application.
Entrance point 16 can seal by clamping or being heated, and perhaps other measure is installed in the discharge end of mechanical pump with air tight manner, sets up fluid at the fluid discharge end of nozzle 10 and pump thus and is communicated with.When pushing the pressing part 12 of nozzle 10 downwards, come the fluid of self-pumping to flow in the tubular conduit 22 of nozzle 10 through valve 20 with hand.The pressure that rises in the pump can leave its valve seat and opens valve 20 by for example ball being risen to.In case the pressure decay of pump, ball just returns its valve seat under the effect of its gravity or pump chamber vacuum pressure, shutoff valve 20.After valve 20 cuts out, any fluid in the tubular conduit 22 will remain in this passage 22.
At exit end 18 one-way release valve 24 is set, for example graphic pintongs valve.For the fluid that prevents to be retained in the passage 22 oozes from the exit end 18 of nozzle 10, also can use the check valve of other structures at the exit end of nozzle, replace above-mentioned pintongs valve.In this technical field, the pintongs valve is a kind of generally well-known " duckbilled " shape valve in essence.But duckbill valve has only a linear grooves, and when this groove pressure behind rose, this groove was radially opened, and the pintongs valve has two grooves of criss cross.When these grooves pressure behind rose, the pintongs valve was radially opened orthogonal groove on the both direction.Being provided with of double flute allow wide ranges that the pintongs valve opens than representative type duckbill valve some, and under lower threshold pressure effect, open.But, two valves can be made by the elastomeric material of rubber and so on, and when closing with these valves of box lunch, its elasticity can keep the closed condition of these valves.In special preferred embodiment, discharge-service valve 24 can be part number be designated as P-4763-4, by West Company of Lionville, the pintongs valve that PA makes.The structure of this pintongs valve 24 usually can be with reference to No. 4533069 disclosed technology of the US Patent of having transferred the possession of that licensed to Drobish on August 6th, 1985, and this patent is combined in herein as a reference.
Passage 22 is preferably made from entrance point 16 to being acclivitous structure near exit end 18.It is that close and act on fluid pressure head on the valve 20 that this can reduce hold-off valve 20, with the effect of it " gas lock " of fluid around the hold-off valve 20, thereby prevents that surrounding air from entering in the pump.This ramp way also has the effect that fluid is taken away from valve 24, so that the effective fluid that oozes from valve 24 is minimum.The best angle of measuring with respect to horizontal direction is about 3 °～6 °.
In special most preferred embodiment of the present invention, nozzle 10 is made by polyurethane, and the length of passage 22 preferably is about 100mm, and has area and be about 11.5mm 2Substantially invariable cross-sectional plane.The pintongs valve that drip valve 24 is preferably made by silaatic, and have the flange of this valve installing and locating in exit end 18.The external diameter of valve 24 is about 9mm, and the length of its groove is about 7mm.The fluid that is distributed in most preferred embodiment is Era TM, a kind of by The Procter﹠amp; GambleCompany of Cincinnati, the liquid detergent that OH makes.When the viscosity of fluid was about 300cps, valve 24 can prevent effectively that fluid from oozing from nozzle exit end 18.Minimum threshold pressure in passage 22 is a 1.4psig (gauge pressure pound/inch 2) (72mmHg.), when rising thus, pressure can open valve 24, whereby, and from valve 24 dispense liquid washer solvents.
Above illustrate and described specific embodiments of the present invention; clearly; for a person skilled in the art; under the prerequisite that does not break away from design of the present invention and scope, can make various changes and modification; all these change and modification is all covered by claims, and drop within protection scope of the present invention.

Claims (5)

1, a kind of nozzle of pump dispenser is characterized in that:
A) described nozzle is connected to device on the pump, described nozzle has an entrance point, an exit end and is positioned at the fluid section that holds between the two;
B) first one-way release valve that is installed in described nozzle inlet end, this first one-way release valve is applicable to that minimizing enters the air of pump from described nozzle; And
C) second one-way release valve that is installed in described nozzle exit end, this second one-way release valve is applicable to that reducing fluid holds oozing of fluid section from described nozzle, when driving described pump, first and second one-way release valves are opened, when the driving of pump finished, first and second one-way release valves were closed.
2, a kind of nozzle of pump dispenser is characterized in that:
A) described nozzle is connected to device on the pump, described nozzle has an entrance point, an exit end and is positioned at the fluid section that holds between the two;
B) first one-way release valve that is installed in described nozzle inlet end, this first one-way release valve is applicable to that minimizing enters the air of pump from described nozzle; And
C) second one-way release valve that is installed in described nozzle exit end, this second one-way release valve is applicable to that reducing fluid holds oozing of fluid section from described nozzle, the face down of described second one-way release valve, when driving described pump, first and second one-way release valves are opened, when the driving of pump finished, first and second one-way release valves were closed.
3, a kind of nozzle of pump dispenser is characterized in that:
A) described nozzle is connected to device on the pump, described nozzle has an entrance point, an exit end and is positioned at the fluid section that holds between the two, describedly holds fluid section configuration from the entrance point to the exit end with being inclined upwardly;
B) first one-way release valve that is installed in described nozzle inlet end, this first one-way release valve is applicable to that minimizing enters the air of pump from described nozzle; And
C) second one-way release valve that is installed in described nozzle exit end, this second one-way release valve is applicable to that reducing fluid holds oozing of fluid section from described nozzle, the face down of described second one-way release valve, when driving described pump, first and second one-way release valves are opened, when the driving of pump finished, first and second one-way release valves were closed.
According to the nozzle of claim 1,2 or 3 described pump dispensers, it is characterized in that 4, described second one-way release valve is opened when threshold pressure is about 72mmHg..
According to the nozzle of claim 1,2,3 or 4 described pump dispensers, it is characterized in that 5, described second one-way release valve is the pintongs valve of being made by silaatic.
CN 97194865 1996-03-28 1997-03-25 Pump spout having drip valve Pending CN1219916A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62349496A 1996-03-28 1996-03-28
US08/623,494 1996-03-28

Publications (1)

Publication Number Publication Date
CN1219916A true CN1219916A (en) 1999-06-16

Family

ID=24498287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97194865 Pending CN1219916A (en) 1996-03-28 1997-03-25 Pump spout having drip valve

Country Status (7)

Country Link
EP (1) EP0889833A1 (en)
JP (1) JPH11508216A (en)
CN (1) CN1219916A (en)
AR (1) AR006411A1 (en)
BR (1) BR9708380A (en)
CA (1) CA2250398A1 (en)
WO (1) WO1997035777A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022052317A1 (en) * 2020-09-11 2022-03-17 中山市美捷时包装制品有限公司 Food pump having external spring and safety outlet valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7648083B2 (en) * 2003-12-18 2010-01-19 S.C. Johnson & Son, Inc. Power sprayer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106238A (en) * 1965-06-17 1968-03-13 Morris Fram A reciprocating liquid dispensing pump
GB2079863B (en) * 1980-06-20 1984-04-18 English Glass Co Ltd Dispenser pumps
FR2654078B1 (en) * 1989-11-07 1992-02-28 Valois SHUTTER OF THE OUTPUT CHANNEL OF A DISPENSING HEAD FOR PASTA PRODUCTS AND DISPENSING HEAD ADVANTABLY ASSOCIATED.
JP3188460B2 (en) * 1991-07-02 2001-07-16 オットー カッツ Liquid and pasty substance metering and supply device
GB9220424D0 (en) * 1992-09-28 1992-11-11 English Glass Company The Limi Dispenser pumps
FR2723618B1 (en) * 1994-08-11 1996-10-31 Sofab MEMBRANE PUMP

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022052317A1 (en) * 2020-09-11 2022-03-17 中山市美捷时包装制品有限公司 Food pump having external spring and safety outlet valve
EP4098579A4 (en) * 2020-09-11 2024-03-20 Majesty Packaging Systems Ltd Food pump having external spring and safety outlet valve

Also Published As

Publication number Publication date
JPH11508216A (en) 1999-07-21
BR9708380A (en) 1999-08-03
CA2250398A1 (en) 1997-10-02
EP0889833A1 (en) 1999-01-13
AR006411A1 (en) 1999-08-25
WO1997035777A1 (en) 1997-10-02

Similar Documents

Publication Publication Date Title
CA1110594A (en) Child resistant dispensing nozzle assembly
US20110084100A1 (en) Fluid discharge head
CA2526607C (en) Inverted dispensing pump with vent baffle
AT509748B1 (en) REFILL UNIT WITH A CONTAINER
US3968905A (en) Time release aerosol dispenser
US4669664A (en) Hand manipulatable sprayer
US20020153389A1 (en) Squeeze operated foam dispenser
DE2640575B2 (en) Diaphragm pump
WO1994002383A3 (en) Product delivery system
ATE141886T1 (en) DISPENSING DEVICE FOR PRESERVATIVE-FREE STERILE LIQUID
DE59101658D1 (en) Fluid dispenser for aseptic fluid.
BRPI0502445A (en) airless dispensing pump
SE8904268D0 (en) VALVE
ZA200307027B (en) Dosing pump for liquid dispensers.
BRPI0407408A (en) Pump actionable nozzle device, container, and method of manufacturing a nozzle device
US20030155378A1 (en) Fluid product dispensing pump
ZA200307305B (en) Valve.
CN1219916A (en) Pump spout having drip valve
US5143258A (en) Pressure relief for vacuum operated valve
WO2003095321A1 (en) Discharge nozzle with function for preventing backflow of content and liquid container comprising discharge nozzle
ITMI20000634A1 (en) DEVICE FOR THE DISPENSING OF FOOD FLUIDS PARTICULARLY FOR AUTOMATIC OR SEMI-AUTOMATIC DISPENSERS OF HOT OR COLD DRINKS
EP0140446A3 (en) Dispensing closure (1111111)
DE20203882U1 (en) Dispenser for the application of flowable products
EP1026437A3 (en) Gas bottle
DE208564C (en)

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned
C20 Patent right or utility model deemed to be abandoned or is abandoned