US3865313A - Pressure accumulative sprayer device - Google Patents

Pressure accumulative sprayer device Download PDF

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Publication number
US3865313A
US3865313A US440538A US44053874A US3865313A US 3865313 A US3865313 A US 3865313A US 440538 A US440538 A US 440538A US 44053874 A US44053874 A US 44053874A US 3865313 A US3865313 A US 3865313A
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United States
Prior art keywords
pressure
plunger
spray
valve casing
sprayer device
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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.)
Expired - Lifetime
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US440538A
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English (en)
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Hiroshi Kondo
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Individual
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Individual
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    • 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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/1039—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being mechanically opened after a defined accumulation stroke
    • 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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps

Definitions

  • this sprayer device finger pressure is further applied to a spray liquid cumulatively compressed by spring pressure so as to replenish a loss of pressure during the spray thereby enabling to maintain the generation of a highly compressed and uniform spray from the beginning to the last independently of the manner of pressing the spray button.
  • This pressure accumulative sprayer device available in a simple construction and producible at a minor cost, also enables to apply a predominant spraying force to contained liquid by means of accumulating the pressure therein.
  • the conventional hand-operated pump type sprayer device suitable for spraying perfume, hair-spray, incecticide, etc. is known to have an inherent defect'in that the spray pressure varies in proportion to a variation of pressure applied to the spray button resulting in a corresponding difference in the spray pattern since the sprayer is operated by the finger pressure alone.
  • a sprayer device in which, for example, an internal pressure is produced for temporary accumulation therein so that the liquid is sprayed when the pressure reaches the saturation point.
  • an internal pressure is produced for temporary accumulation therein so that the liquid is sprayed when the pressure reaches the saturation point.
  • a soft material such as rubber and the like, compressed air, compressed spring or the like.
  • each of the aforementioned internal pressure creating sources has an inherent property of non-uniform resilience. To be more precise, even if the resilience enables to obtain high pressure in the initial stage of spray, a pressure decline arises as the spray nears its termination with the result that a very rough mist is produced as a residual spray or the liquid itself is liable to flow out of the nozzle.
  • a first object of this invention is to provide a pressure accumulative sprayer device in which finger pressure is further applied to spray liquid cumulatively compressed by spring pressure so as to replenish a pressure loss during the spray, thus a predetermined pressure being maintained thereby enabling to obtain a uniform spray pattern from the beginning to the last independently of a variation of the pressing force applied to the spray button.
  • a second object of this invention is to provide a pres sure accumulative sprayer device which is of a simple construction, inexpensive and accordingly admissible for discarding after use once and for all.
  • a third object of this invention is to provide a pressure accumulative sprayer device which is capable of spraying minute mist but necessitates less finger pressure by means of adapting a specific spring to obtain a high internal pressure therein.
  • FlG. 1 is a perpendicular sectional view of a pressure accumulative sprayer device according to this invention, showing the state before a spray button is pressed in the first embodiment.
  • FIG. 2 is a perpendicular sectional view of the pressure accumulative sprayer device illustrated in FIG. 1, showing the state after the spray button has been pressed.
  • H0. 3 is a perspective view showing the principal parts of a valve casing of the foregoing pressure accumulative sprayer device.
  • FIG. 4 is a perpendicular sectional view of a pressure accumulative sprayer device in this invention showing the state before a spray button is pressed in the second embodiment.
  • the sprayer device A of this invention is fitted by a suitable known method into the opening ofa container B capable of being held with one hand.
  • the sprayer device A substantially comprises a valve casing 11 fitted into the opening of the container B, a plunger 13 fitted into the valve casing 11 and having a spray button 12 at its upper end, and a cap 14 for use in mounting the valve casing 11 on the container B.
  • the valve casing 11 is formed in the shape of a cylinder loosely fittable into the opening of the container B, a flange 15 being continuously formed on the upper end outer peripheral face of said valve casing 11, said flange 15 being piled on the opening of said container B at the upper terminal thereof.
  • valve casing 11 Within the valve casing 11 are axially formed a larger-diameter cylinder chamber 16 for primary compression extending downward from the upper end face of the valve casing 11 and terminating halfway, an intermediate chamber 17 for secondary compression which is positioned under the cylinder chamber 16 and has a smaller diameter than that of said cylinderchamber 16, a lower chamber 18 for tertiary compression which is positioned under the intermediate chamber 17 and has a smaller diameter than that of said intermediate chamber 17, a passage 19 which is positioned under the lower chamber 18 and has a tapering end of a small diameter, all said chambers and passage being adapted to communicate with each other. Furthermore, to the lower part of the valve casing 11 is secured a pipe 20 whose lower end extends to the bottom of the container A check valve 21 is incorporated in the passage 19,
  • the check valve 21 being for use in checking a countercurrent of the compressed liquid generated within the valve casing 11 backward into the container B.
  • the check valve 21 is openable when the pressure within the valve casing becomes negative as a result of reciprocation of t the plunger 13.
  • the plunger 13 is inserted into the valve casing 11 from the upper end opening thereof, a spring receiving seat 22 being provided on the outer peripheral face of the plunger 13 in between upper and lower ends thereof, said seat 22 being positioned within the valve casing 11.
  • a piston 23 in a position below the spring receiving seat 22 so as to be airtightly slidable between the inner peripheral face of 3 the cylinder chamber 16 and the outer peripheral face of the plunger 13, and a movable valve 24 in a position below said piston 23, said movable valve 24 having a smaller outside diameter than the inside diameter of the intermediate chamber 17 and a diameter larger than that of the lower chamber 18, and airtightly slidable on the outer peripheral face of the plunger 13.
  • a retaining member 25 for retaining the movable valve 24 is secured to the lower end of the plunger 13. It is desirable that the sliding portion of the piston 23 is adapted to have flexible resilience.
  • Springs 26 are compressively and externally fitted between the spring receiving seat 22 of the plunger 13 and the piston 23, the spring 26 being for use in urging the plunger 13 upward and the piston 23 downward.
  • a passage 27 having a closed lower end is provided axially through the plunger from the upper end thereof, a check valve 28 being built in the middle situation of the passage 27, an orifice 29 communicative with the passage 27 being provided through the lower end outer periphery of the plunger 13.
  • the check valve 28 is adapted to allow the compressed liquid to flow freely upward in the passage 27 while checking a countercurrent thereof.
  • a nozzle 30 communicative with the passage 27 is fitted into a spray button 12 mounted on the upper end of the plunger 13. If the nozzle 30 is provided with a spiral liquid passage, the liquid is sprayed with a rotary motion thereby enabling to obtain a very minute mist.
  • the cap 14 is screwed by means of a threaded portion thereof onto the container B, the cap 14 being adapted to secure the valve casing 11 by clamping the flange between the top wall 31 of said cap 14 and the upper end opening ofthe container B, a penetrating hole 32 through which the upper part of the plunger 13 penetrates being provided in the center of the top wall 31.
  • a notch 35 on the shoulder portion 34 between the intermediate chamber 17 and the lower chamber 18 thereby enabling to maintain communication between said chambers 17 and 18 even after abutment of the movable valve 24 against said shoulder portion 34 as a result of the descent of the plunger 13.
  • a communication hole 36 is provided in the upper part of the valve casing 11, said hole 36 being adapted to preclude the occurrence of negative pressure within the container B by causing the interior of said container B to communicate with the atmosphere when the penetrating hole 32 is opened by the spring receiving seat 22 as a result of the descent of the plunger 13.
  • the sprayer device of this invention has a construction as described hereinbefore, and the liquid within the container B is sprayed by this sprayer device A in the process as explained hereinunder.
  • the compressed liquid elevates the piston 23 in proportion to the amount of compression due to the action of the check valve 21.
  • the liquid is compressed by a predetermined pressure until the orifice 29 is opened independently of the amount of the finger pressure applied to the spray button 12.
  • the initial spray liquid is driven with sufficient pressure by the compression springs 26. Moreover, since the resilience of the spring 26 is maintained in an increased state as a result of the descent of the spring receiving portion 22, the spray liquid is under reinforced pressure.
  • the springs 26 act as cushions thereby enabling to maintain the predetermined pressure on the liquid within the valve casing 11 which would otherwise be subjected to a reduced pressure as a result of the spray.
  • the accumulatively compressed liquid within the cylinder chamber 16 and the intermediate chamber 17 is adapted to travel to the orifice 29 through the notch 35.
  • the spray terminates with the descent of the spray button to the lowermost position and the abutment of the piston against the shoulder portion 33. lf the finger pressure to the spray button is released after the termination of the spray, the plunger 13 commences its elevation due to the resilience of the springs 26.'
  • the orifice 29 is closed by the movable valve 24, said valve 24 being drawn upward from the shoulder portion 34 by the retaining member 25, the lower end of the plunger 13 being elevated so as to be drawn out of the intermediate chamber 17 and the lower chamber 18, whereby a vacuum is created within said chambers 17 and 18, the resultant suction force causing the liquid within the container B to flow into the valve casing 11 through the pipe by forcing the check valve 21 to open so as to be ready for a next spray.
  • the pressure within the container B is reduced according as the liquid therein is consumed, the resultant reduction of pressure preventing the replenishment of liquid into the valve casing 11.
  • the spring receiving seat 22 is detached from the lower face of the cap 14 when the spray button 12 is pressed thereby causing the penetrating hole 32 of the cap 14 to communicate with the communication hole 36 provided on the valve casing 11 for the communication between the cylinder chamber 16 and the container B, with the result that the atmosphere flows into the container B thereby enabling to preclude a reduction of pressure.
  • the spring receiving seat 22 formed in the middle portion of the upper part of the plunger 13 is brought into airtight contact with the lower face of the cap 14 so as to close the penetrating hole 32 thereby enabling to prevent the liquid from leaking out of the container B.
  • the excessive portion of the accumulatively compressed liquid may be restored to the container B by providing a passage for communication between the interior of the valve casing 11 and that of the container B.
  • the sprayer device of this invention is convenient for use since both compression and spray of the liquid can be simultaneously obtained simply by pressing the spray button. Moreover, a spray of minute mist is obtainable independently of the manner of pressing the spray button.
  • the sprayer device of this invention enables to obtain a uniform spray pattern from the beginning to the last which could never be expected from the conventional sprayer devices.
  • another spring 40 is incorporated for urging said piston 23 downward thereby enabling to obtain a high internal pressure, said spring 40 being adapted in a compressed state between the top wall 31 of cap 14 and said piston 23 at the outside of said spring 26, the diameter of said piston 23 being enlarged so as to be larger than that of said plunger l3.
  • liquid is forced by the pushing of said spray button 12 into said intermediate chamber 17 and lower chamber 18 at the lowest terminal of said plunger 13 thereby the compressed liquid in both of said chambers 17 and 18 giving a rise to said piston 23 in proportion to the amount of said compres- SlOIl.
  • the pressing of said spray button 12 allows the movable valve 24 to open said orifice 29 thereby starting to spray the pressurized liquid therefrom, and with the decline of the internal pressure resulting in the descent of said piston 23, said spring 40 elongates thereby enabling the internal pressure to restore its predetermined level.
  • Said spring 40 in the second embodiment not only enables to produce higher pressure accumulative mist of liquid as described above but also enables to reduce finger pressure to apply on the spray button 12, said spring 40 functioning powerfully enough to make up for reduction of the finger pressure to apply on the spray button compared to that in the first embodiment.
  • a pressure accumulative sprayer device comprising in combination a valve casing provided with a cylinder chamber and a compression chamber having a shoulder portion in the lower part thereof, said valve casing being so fabricated as to be airtightly mounted on a container; a cap engageable with the valve casing and the container; a plunger the lower end of which is inserted into the valve casing through the cap, the upper end of said plunger being provided with a spray button having a nozzle, the portion of said plunger inserted into the valve casing being provided with a spring receiving seat, and an orifice in a position below said spring receiving seat, and moreover a communication hole thereinside for connecting the nozzle and the orifice with each other; a piston so fitted as to be airtightly slidable between the outer periphery of the plunger and the inner periphery of the cylinder chamber of the valve casing; springs compressively provided between the piston and the spring receiving seat for urging said piston and the plunger; a check valve for checking a counter
  • a pressure accumulative sprayer device as defined in claim 1 comprising a means for enabling the interior of the container to communicate with the ambient atmosphere when the plunger moves from its outermost position.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
US440538A 1973-03-26 1974-02-07 Pressure accumulative sprayer device Expired - Lifetime US3865313A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP48034909A JPS49121213A (de) 1973-03-26 1973-03-26
GB462575A GB1460701A (en) 1973-03-26 1975-02-03 Pressure accumulative spayer device
DE2505493A DE2505493C3 (de) 1973-03-26 1975-02-10 Flüssigkeitszerstäuber
FR7504048A FR2299919A1 (fr) 1973-03-26 1975-02-10 Vaporisateur a accumulation de pression

Publications (1)

Publication Number Publication Date
US3865313A true US3865313A (en) 1975-02-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
US440538A Expired - Lifetime US3865313A (en) 1973-03-26 1974-02-07 Pressure accumulative sprayer device

Country Status (5)

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US (1) US3865313A (de)
JP (1) JPS49121213A (de)
DE (1) DE2505493C3 (de)
FR (1) FR2299919A1 (de)
GB (1) GB1460701A (de)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305242A1 (fr) * 1975-03-26 1976-10-22 Smithkline Corp Pulverisateur-doseur destine a la pulverisation de liquides medicamenteux
US3997086A (en) * 1975-08-25 1976-12-14 Summit Packaging Systems, Inc. Pump for spray dispenser and the like
US4053089A (en) * 1975-08-01 1977-10-11 Lever Brothers Company Pump for dispensing liquids
US4154369A (en) * 1977-01-19 1979-05-15 L'oreal Non-refillable dispensing container
US4183449A (en) * 1978-01-09 1980-01-15 The Afa Corporation Manually operated miniature atomizer
US4191313A (en) * 1978-07-24 1980-03-04 James D. Pauls And J. Claybrook Lewis And Associates, Limited Trigger operated dispenser with means for obtaining continuous or intermittent discharge
US4220285A (en) * 1976-10-18 1980-09-02 Spray Plast S.r.1 Hand sprayer for liquids
US4245967A (en) * 1977-09-16 1981-01-20 Establissements Valois Pump for a hand actuated device for producing an atomized spray
US4346821A (en) * 1978-03-16 1982-08-31 Afa Consolidated Corporation Child-resistant closures for container mounted spray dispensers
US4775079A (en) * 1985-11-05 1988-10-04 Hans Grothoff Upright/inverted pump sprayer
US5346103A (en) * 1990-10-05 1994-09-13 Yoshino Kogyosho Co, Ltd. Compression sprayer for liquids
US5388766A (en) * 1993-09-22 1995-02-14 The Procter & Gamble Company High pressure atomization systems for high viscosity products
US5947340A (en) * 1995-12-06 1999-09-07 The Procter & Gamble Company Manually-actuated high pressure spray pump
US20050045658A1 (en) * 2003-08-28 2005-03-03 Lee Chung Kee Low profile, fine mist, finger-operated, precompression-type spray pump
WO2013044698A1 (zh) * 2011-09-30 2013-04-04 Ding Yaowu 具有弹性拉伸复位装置的液体泵
WO2014125216A1 (fr) * 2013-02-15 2014-08-21 Aptar France Sas Pompe a précompression améliorée
CN105492123A (zh) * 2013-08-07 2016-04-13 阿普塔尔拉多尔夫策尔有限责任公司 用于液体或糊状介质的泵装置以及分配器
US10155237B2 (en) * 2015-08-06 2018-12-18 Z&Z Development Co., Ltd. Perfume bump with external spring
US10384858B2 (en) * 2010-08-18 2019-08-20 Summit Packaging Systems, Inc. Dispensing valve incorporating high flow rate feature

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343137A1 (fr) * 1976-03-01 1977-09-30 Valois Sa Pompe manuelle a piston pour distribution ou pulverisation
US4079865A (en) * 1977-06-30 1978-03-21 John H. Oltman Non-pulsating, non-throttling, vented pumping system for continuously dispensing product
FR2399286A1 (fr) * 1977-08-03 1979-03-02 Ramis Michel Vaporisateur simple
JPS5986371U (ja) * 1982-12-01 1984-06-11 花王株式会社 小型手動ポンプ
JPS6313259U (de) * 1986-07-08 1988-01-28
DE4035290C2 (de) * 1990-11-07 1994-02-24 Kwasny Peter M Ventil zur Entnahme von Flüssigkeit aus einem Behälter
FR2684901B1 (fr) * 1991-12-13 1994-02-25 Conceptair Anstalt Procede et dispositif evitant la formation de poches gazeuses dans un reservoir pour un produit fluide destine a etre pulverise ou distribue sans reprise d'air
US6612468B2 (en) 2000-09-15 2003-09-02 Rieke Corporation Dispenser pumps
FR2816375B1 (fr) * 2000-11-07 2003-04-11 Oreal Pompe pour la distribution d'un produit, notamment un produit cosmetique ou de soin
DE10220557A1 (de) * 2002-05-02 2003-11-13 Pfeiffer Erich Gmbh & Co Kg Spender zum Austrag fließfähiger Medien
US7802701B2 (en) 2005-01-14 2010-09-28 Rieke Corporation Up-lock seal for dispenser pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256874A (en) * 1916-06-17 1918-02-19 Walter T Charles Fire-extinguisher.
US1688195A (en) * 1925-10-06 1928-10-16 Pyrene Mfg Co Fire extinguisher
US2326861A (en) * 1940-08-03 1943-08-17 Charles K Huthsing Fire extinguisher construction
US3608788A (en) * 1967-12-15 1971-09-28 Mitani Valve Co Ltd Fluid-dispensing pump
US3796375A (en) * 1971-08-19 1974-03-12 Step Soc Tech Pulverisation Liquid spraying devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256874A (en) * 1916-06-17 1918-02-19 Walter T Charles Fire-extinguisher.
US1688195A (en) * 1925-10-06 1928-10-16 Pyrene Mfg Co Fire extinguisher
US2326861A (en) * 1940-08-03 1943-08-17 Charles K Huthsing Fire extinguisher construction
US3608788A (en) * 1967-12-15 1971-09-28 Mitani Valve Co Ltd Fluid-dispensing pump
US3796375A (en) * 1971-08-19 1974-03-12 Step Soc Tech Pulverisation Liquid spraying devices

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305242A1 (fr) * 1975-03-26 1976-10-22 Smithkline Corp Pulverisateur-doseur destine a la pulverisation de liquides medicamenteux
US4053089A (en) * 1975-08-01 1977-10-11 Lever Brothers Company Pump for dispensing liquids
US3997086A (en) * 1975-08-25 1976-12-14 Summit Packaging Systems, Inc. Pump for spray dispenser and the like
US4220285A (en) * 1976-10-18 1980-09-02 Spray Plast S.r.1 Hand sprayer for liquids
US4154369A (en) * 1977-01-19 1979-05-15 L'oreal Non-refillable dispensing container
US4245967A (en) * 1977-09-16 1981-01-20 Establissements Valois Pump for a hand actuated device for producing an atomized spray
US4183449A (en) * 1978-01-09 1980-01-15 The Afa Corporation Manually operated miniature atomizer
US4346821A (en) * 1978-03-16 1982-08-31 Afa Consolidated Corporation Child-resistant closures for container mounted spray dispensers
US4191313A (en) * 1978-07-24 1980-03-04 James D. Pauls And J. Claybrook Lewis And Associates, Limited Trigger operated dispenser with means for obtaining continuous or intermittent discharge
US4775079A (en) * 1985-11-05 1988-10-04 Hans Grothoff Upright/inverted pump sprayer
US5390830A (en) * 1990-10-05 1995-02-21 Yoshino Kogyosho Co., Ltd. Aerosol-type sprayer for liquids
US5346103A (en) * 1990-10-05 1994-09-13 Yoshino Kogyosho Co, Ltd. Compression sprayer for liquids
US5388766A (en) * 1993-09-22 1995-02-14 The Procter & Gamble Company High pressure atomization systems for high viscosity products
US5947340A (en) * 1995-12-06 1999-09-07 The Procter & Gamble Company Manually-actuated high pressure spray pump
US6050457A (en) * 1995-12-06 2000-04-18 The Procter & Gamble Company High pressure manually-actuated spray pump
US20050045658A1 (en) * 2003-08-28 2005-03-03 Lee Chung Kee Low profile, fine mist, finger-operated, precompression-type spray pump
US6913169B2 (en) * 2003-08-28 2005-07-05 Chong Woo Co., Ltd Low profile, fine mist, finger-operated, precompression-type spray pump
US10384858B2 (en) * 2010-08-18 2019-08-20 Summit Packaging Systems, Inc. Dispensing valve incorporating high flow rate feature
WO2013044698A1 (zh) * 2011-09-30 2013-04-04 Ding Yaowu 具有弹性拉伸复位装置的液体泵
FR3002293A1 (fr) * 2013-02-15 2014-08-22 Aptar France Sas Pompe a precompression amelioree.
US20160008833A1 (en) * 2013-02-15 2016-01-14 Aptar France Sas Improved precompression pump
US9707581B2 (en) * 2013-02-15 2017-07-18 Aptar France Sas Precompression pump
WO2014125216A1 (fr) * 2013-02-15 2014-08-21 Aptar France Sas Pompe a précompression améliorée
CN105492123A (zh) * 2013-08-07 2016-04-13 阿普塔尔拉多尔夫策尔有限责任公司 用于液体或糊状介质的泵装置以及分配器
CN105492123B (zh) * 2013-08-07 2018-07-13 阿普塔尔拉多尔夫策尔有限责任公司 用于液体或糊状介质的泵装置以及分配器
US10155237B2 (en) * 2015-08-06 2018-12-18 Z&Z Development Co., Ltd. Perfume bump with external spring

Also Published As

Publication number Publication date
GB1460701A (en) 1977-01-06
DE2505493A1 (de) 1976-08-19
DE2505493C3 (de) 1980-02-07
FR2299919B1 (de) 1979-04-13
DE2505493B2 (de) 1979-06-07
JPS49121213A (de) 1974-11-20
FR2299919A1 (fr) 1976-09-03

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