US3927834A - Sprayer - Google Patents

Sprayer Download PDF

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Publication number
US3927834A
US3927834A US509909A US50990974A US3927834A US 3927834 A US3927834 A US 3927834A US 509909 A US509909 A US 509909A US 50990974 A US50990974 A US 50990974A US 3927834 A US3927834 A US 3927834A
Authority
US
United States
Prior art keywords
sprayer
lever
chamber
piston
locking
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.)
Expired - Lifetime
Application number
US509909A
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English (en)
Inventor
Tetsuya Tada
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3927834A publication Critical patent/US3927834A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B11/01—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
    • B05B11/1009—Piston pumps actuated by a lever
    • 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
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position

Definitions

  • the sprayer comprises a piston capable of being recip- B053 867D 5/ hamber, a lever for for guiding a spray liquid from a container to said chamber, and a locking memrocatingly moved in a cylindrical 0 operating said piston, a valve 0 61 31 9 4 5] 3' 7 1 5.1 31 5 3 1 mw l w H m5 m2 m5 5 &2 f5 M2 .R F .1. oo 5 i 3, 40211 her for fixing said lever in a prescribed position and simultaneously allowing said piston to close said valve when the sprayer is out of use.
  • SPRAYER This invention relates to a manually operable sprayer for spraying a spray liquid.
  • the object of the invention is to provide a manually operable sprayer, when out of use, capable of preventing leakage of spray liquid even where a careless touch is made on the lever or the sprayer is reversed.
  • the sprayer according to the invention comprises a lever for reciprocatingly moving a piston in a cylindrical chamber, valve means for guiding a spray liquid from a liquid container to said chamber, and a locking member for fixedly retaining said lever and simultaneously allowing the piston to close said valve means when the sprayer is out of use.
  • a lever for reciprocatingly moving a piston in a cylindrical chamber
  • valve means for guiding a spray liquid from a liquid container to said chamber
  • a locking member for fixedly retaining said lever and simultaneously allowing the piston to close said valve means when the sprayer is out of use.
  • FIG. I is a longitudinal sectional view of a manually operable sprayer according to the invention, illustrating the condition of the sprayer in operation;
  • FIG. 2 is a view similar to FIG. 1, illustrating the condition in which the lever is locked by the locking member
  • FIG. 3 is an enlarged perspective view of a valve member provided for the cylinder bottom section of the sprayer.
  • a sprayer according to the invention is formed of a suitable material such as plastic, and comprises a sprayer body 100 including a container for receiving spray liquid therein and a sprayer head 11 having a cylindrical chamber or cylinder 12.
  • a piston 13 is slidably inserted into the opening portion 14 of said cylinder, and a lever 15 for operating said piston is engaged therewith.
  • the neck portion 16 of the sprayer head 11 is firmly liquid-tightly coupled to the mouth portion 17 of the container 10 in a manner hereinafter described.
  • the neck portion 16 is formed at its lower surface with a slightly tapered depression 18 and formed in its wall with a plurality of notches l9 upwardly extending from the lower end of the neck portion. Said notches serve to give a radial flexibility to the neck portion.
  • the outer wall of the lower part of the neck portion and the inner wall of the depression thereof are formed with ring like grooves 20 and 2
  • a clamping ring 23 having a ring like projection 22 on its inner wall rotatably fitted over the neck portion I6 and said projection 22 is engaged with the groove 20.
  • a fittingly insertable tapered member 25 which has a ring like projection 26 on its outer wall and several flexible, concentric projections 27 on its bottom, is inserted into the depression 18 of the neck portion by engagement of the projection 26 with the groove 21.
  • the outer wall of the mouth portion 17 is formed with a male screw portion 28.
  • the female screw 24 of the clamping ring 23 is fitted over the male screw 28 of the mouth portion 17 by screw engagement.
  • the projection 22 of the ring urges the neck portion 16 toward the mouth portion.
  • the concentric projections 27 are bent to press the upper surface of the mouth portion in a liquid-tight condition, and si multaneously the member 25 is inserted more deeply and more liquid-tightly into the depression 18.
  • lever 15 Rockably pivoted to the upper end portion of the sprayer head 11 via a pivot 29 is said lever 15, which is formed in the intermediate portion with a hole 30 and formed in the rear wall with semicircular notches 31.
  • the lever is further provided in the lower part with a hole 32 for allowing the passage of a later-described locking member 33 and a projection 34 for being engaged with the locking member 33.
  • Said piston 13 is penetrated through the hole 30 of the lever 15, and pins 35 protruded transversely of the piston are engaged with said notches 31.
  • annular spring seat 36 From the outer wall of the piston is radially exteriorly projected an annular spring seat 36.
  • the sprayer head II is formed around the cylinder 12 with an annular spring hole 37.
  • a compression coil spring 38 received in the spring hole 37 abuts against the spring seat 36 at one end to urge the piston 13 forwardly or exteriorly of the cylinder. For this reason, when the lever 15 is pulled in a direction indicated by an arrow A, the piston is moved via the pins 35 interiorly of the cylinder, whereas when the external force applied to the lever is removed, the piston is moved exteriorly of the cylinder jointly with the lever by means of the spring 38.
  • the outward movement of the piston is limited by engagement of a portion 39 of the lever 15 with a portion 40 of the sprayer head 11.
  • the piston 13 comprises a cylindrical piston body 41 having said spring seat 36 and a slidable member 42 firmly fitted into the rear or inner end portion of a large diameter hole 43 formed in said piston body.
  • the large diameter hole 43 communicates with the cylindrical chamber 12 via a through hole 44 formed in the slidable member and simultaneously is open to the atmosphere via a small diameter hole 45 and a nozzle hole 46 formed in the piston body 41.
  • Disposed within the piston body is a rod 47 having at one end a swirl portion 47a whose cross section is polygonal and at the other end a disk shaped valve portion 47b.
  • the swirl portion has radial grooves 48 at the tip end portion and is made to abut against the inner wall of the small diameter hole 45 in the customary manner, whereby when the lever 15 is moved in the direction indicated by the arrow A, the spray liquid is ejected from the nozzle 46 via the large diameter hole 43, small diameter hole 45 and grooves 48.
  • the disk-shaped valve 471 normally closes the through hole 44 of the slidable member due to the action of a compression spring 49 disposed between said valve and the end wall 43a of the large diameter hole.
  • the slidable member 42 is formed on the outer periphery of its rear or inner end portion with a flexible flaring skirt portion 50, which slides along the inner wall of the cylinder in a liquid-tight condition.
  • the slidable member is formed in the center of its inner end with a circle-shaped recess 51 whose diameter is larger than that of through hole 44 and which forms an annular surface 52. Between the skirt portion 50 and the recess 51 is formed an annular groove 53 for rendering the skirt portion more flexible.
  • valve 57 Open to the cylinder 12 through the bottom wall thereof is an opening 54 located at one end portion of a passage 55, into the other end portion of which is inserted a pipe 56 for conducting spray liquid from the container 10.
  • a valve 57 which comprises a ring-shaped fixing section 570 firmly fixed to the cylinder bottom wall, a plurality of extremely flexible supporting arms 57b radially inwardly extending from said fixing section and a frust-conical valve element 57c retained at the center of the fixing section by said supporting arms (See P16. 3).
  • the upper surface and lower surface of the element 570 are larger in diameter than the through hole 44 of the slidable member and the opening 54 of the passage 55, respectively, and the height of the element 57c is slightly larger than the depth of the recess 51. Accordingly, when the piston 13 presses the element 57c against the cylinder bottom via the annular surface 52, the element 570 closes both the through hole 44 and the opening 54.
  • the neck portion 16 of the sprayer body ll is formed at the upper part with an air port 58 for allowing the depression 18 of the neck portion to communicate with the open air so as to prevent generation of a negative pressure within the container 10.
  • the previously described locking member 33 is attached below the air port to the neck portion 16 in a manner integral therewith and is made rockable about the supporting section 33a.
  • a retaining piece 59 is projected from the neck portion 16 in a position below the supporting section 33a, and the locking member 33 is formed with a notch 33!; engageable with the retaining piece 59.
  • the locking member While the sprayer is in operation, the locking member is retained at a rest position shown in FIG. 1 by engagement of the retaining piece 59 with the notch 3312 so as not to obstruct the operation of the lever.
  • From the locking member there branch a closing portion 33c for closing said air hole 58 and an engagement portion 33d for being engaged with the projection 34 of the lever to retain the lever at a position illustrated in FIG. 2.
  • the lever 15 Upon completion of the sprayer operation, the lever 15 is moved jointly with the piston 13 in the direction shown by the arrow A up to the maximum limit, and subsequently the locking member 33 is disengaged from the retaining piece 59 and upwardly rocked about the supporting section 33a.
  • the engagement portion 33d of the locking member 33 is engaged with the projection 34 by passing through the hole 32 of the lever to lock the lever and piston at the respective positions shown in FIG. 2.
  • the annular surface 52 at the inner end of the piston presses the valve 57 against the cylinder bottom surface to separate the cylinder 12 from the passage 55 and from the through hole 44, respectively.
  • the closing portion 33c closes the air port 58 to prevent evaporation or leakage of the liquid within the container when the sprayer is reversed.
  • a sprayer comprising a sprayer head having a cylindrical chamber opened at one end, passage means communicating with said chamber through the bottom thereof, for introducing a spray liquid into the chamber, valve means for permitting only the flow of the liquid from said passage means to the chamber, a piston member slidably inserted into the chamber from said opened portion thereof and having at its outer end portion a nozzle for ejecting the liquid, a lever for moving said piston member toward the bottom portion of the chamber, and a locking member for locking, when the sprayer is out of use, the lever with the piston member placed in the innermost position of the chamber to cause the inner end of the piston member to close said valve means, said locking member being rockably mounted on the sprayer head and having an engagement portion for being engaged with the lever, said sprayer further comprising a container for receiving a spray liquid therein, and wherein said sprayer head is provided with an air port for preventing generation of a negative pressure within said container, and said locking member includes a closing portion for closing, when the lever is locked, said port simultaneously with the locking
  • a sprayer according to claim 1 further comprising spring means for urging said piston member outwardly of the chamber, said locking member being made to retain the lever against the force of said spring means when locking the lever.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
US509909A 1974-02-12 1974-09-27 Sprayer Expired - Lifetime US3927834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49016942A JPS5222448B2 (fr) 1974-02-12 1974-02-12

Publications (1)

Publication Number Publication Date
US3927834A true US3927834A (en) 1975-12-23

Family

ID=11930171

Family Applications (1)

Application Number Title Priority Date Filing Date
US509909A Expired - Lifetime US3927834A (en) 1974-02-12 1974-09-27 Sprayer

Country Status (6)

Country Link
US (1) US3927834A (fr)
JP (1) JPS5222448B2 (fr)
DE (2) DE2446950C3 (fr)
FR (2) FR2260393B1 (fr)
GB (2) GB1448615A (fr)
IT (2) IT1019450B (fr)

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD243333S (en) * 1975-05-08 1977-02-08 Tetsuya Tada Sprayer
US4083497A (en) * 1976-06-03 1978-04-11 Chem-Lawn Corporation Spray gun
US4146155A (en) * 1977-11-14 1979-03-27 Security Plastics Inc. Continuous trigger activated pumping system
FR2430896A1 (fr) * 1978-07-12 1980-02-08 Afa Corp Capuchon de fermeture assemble avec le corps d'un distributeur pulverisateur
US4235353A (en) * 1978-03-24 1980-11-25 James D. Pauls And J. Claybrook Lewis And Associates, Limited Trigger operated dispensing device with accumulating chamber
US4241853A (en) * 1978-05-17 1980-12-30 James D. Pauls And J. Claybrook Lewis And Associates, Limited Dispenser for either continuous or intermittent discharge
US4278187A (en) * 1979-12-13 1981-07-14 Security Plastics, Inc. Trigger lock system for pump
US4345718A (en) * 1979-04-23 1982-08-24 William Horvath Manually actuated trigger sprayer
US4346821A (en) * 1978-03-16 1982-08-31 Afa Consolidated Corporation Child-resistant closures for container mounted spray dispensers
US4441633A (en) * 1981-10-26 1984-04-10 Bennett Robert A Child resistant trigger pump
US4506805A (en) * 1982-06-11 1985-03-26 Valve Precision S.A.R.L. Dispenser device for liquids
US4538745A (en) * 1983-05-19 1985-09-03 The Clorox Company Trigger sprayer
WO1989000137A1 (fr) * 1987-07-06 1989-01-12 Leeds And Micallef Pompe a poignee de commande
US4993214A (en) * 1988-03-08 1991-02-19 S. C. Johnson & Son, Inc. Method of assembling a trigger sprayer device
US5087018A (en) * 1987-03-20 1992-02-11 Bissell Inc. Fluid flow control valve
US5492275A (en) * 1994-05-16 1996-02-20 Par-Way Group Hand pump sprayer with rotating nozzle and system for dispensing viscous liquids
US5535952A (en) * 1993-08-11 1996-07-16 Tada; Tetsuya Safety mechanism for a manually operated trigger activated dispenser
US5564604A (en) * 1993-08-06 1996-10-15 Tada; Tetsuya Manually operated trigger type dispenser
US5740964A (en) * 1994-05-16 1998-04-21 Par-Way Group Hand held spray dispenser with adjustable pressure delivery system and rotating nozzle
EP0838266A1 (fr) * 1996-10-24 1998-04-29 Calmar-Albert GmbH Elément de verrouillage à l'épreuve des enfants pour distributeur à gachette
US5823395A (en) * 1997-04-24 1998-10-20 Continental Sprayers International, Inc. Child-resistant pump dispenser
US5918854A (en) * 1996-04-23 1999-07-06 The Coca-Cola Company Pop-up valve closure for a container
US6196423B1 (en) 2000-04-25 2001-03-06 Innopak, Inc. Child resistant overcap with safety collar and containing a child resistant slip collar for screw-on pump sprayers
US6220568B1 (en) * 2000-03-14 2001-04-24 Fwu Tien Industry Co., Ltd. Controlling switch of an atomizer handle
US6244469B1 (en) 1998-01-14 2001-06-12 Michael G. Knickerbocker Child resistant trigger for dispenser
US6286723B1 (en) 2000-03-06 2001-09-11 Saint-Gobain Calmar Inc. Self-resetting child-resistant trigger sprayer
US6345738B1 (en) 2000-03-16 2002-02-12 Owen-Illinois Closure Inc. Pump dispenser having body with fill-through conduit
US6425538B1 (en) * 2000-08-11 2002-07-30 L. R. Nelson Corporation Nozzle with automatic disengaging bale
US6745763B2 (en) * 1998-10-27 2004-06-08 Garth T. Webb Vaporizing device for administering sterile medication
US20040200861A1 (en) * 2003-03-24 2004-10-14 Simcro Tech Limited Plunger damping means
US20050072791A1 (en) * 2003-10-06 2005-04-07 Emerson Electric Co. Faucet lever lock
US20070045447A1 (en) * 2005-08-31 2007-03-01 Wipper Daniel J Handgrip powered pressurized air sprayer
US20080135581A1 (en) * 2006-12-12 2008-06-12 Timothy James Kennedy Fluid Dispensing Systems for Pump Dispenser
USD717666S1 (en) 2014-03-14 2014-11-18 The Clorox Company Fluid dispenser
FR3021635A1 (fr) * 2014-05-28 2015-12-04 Oreal Diffuseur destine a etre fixe sur un recipient muni d'un ensemble de distribution de produit, dispositif et procede associe
EP2939749A4 (fr) * 2012-12-29 2016-08-03 Canyon Corp Pulvérisateur de type à gâchette
US20170227269A1 (en) * 2016-02-04 2017-08-10 Wenling Jennfeng Industry Inc. Freon Refilling Apparatus for Vehicles
US20220401984A1 (en) * 2021-06-21 2022-12-22 Market Ready, Inc. Trigger sprayer assembly with dual action piston

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1071471B (it) * 1976-10-18 1985-04-10 Spray Plast S R L Spruzaztore manuale per liquidi
US4153203A (en) * 1977-03-02 1979-05-08 Tetsuya Tada Trigger type sprayer
EP0024103A1 (fr) * 1979-06-27 1981-02-25 Hills Industries Limited Tuyau télescopique et appareil l'utilisant
DE3325408A1 (de) * 1983-07-14 1985-01-24 Wella Ag, 6100 Darmstadt Applikator zum gezielten auftragen bzw. aufspruehen von fluessigen kosmetischen praeparaten
EP0360949B1 (fr) * 1988-09-30 1993-05-05 SPRAY PLAST S.p.A. Pulvérisateur pour liquides actionnable manuellement
US4958754A (en) * 1989-03-01 1990-09-25 Continental Sprayers, Inc. Dispenser or sprayer with vent system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038508A (en) * 1935-01-21 1936-04-21 M & E Mfg Company Lubricant dispensing nozzle
US2280615A (en) * 1941-06-13 1942-04-21 New York Air Brake Co Backup valve
US2877798A (en) * 1954-06-21 1959-03-17 Donald J Hansen Dispensing valve mechanism
US2991945A (en) * 1959-08-27 1961-07-11 Lafayette Brass Mfg Company In Gun type sprayer
US3061202A (en) * 1961-01-27 1962-10-30 Tracy B Tyler Device for spraying or jetting liquids
US3685739A (en) * 1970-08-07 1972-08-22 Afa Corp Liquid dispensing apparatus
US3701478A (en) * 1970-10-08 1972-10-31 Tetsuya Tada Hand sprayer
US3762647A (en) * 1971-08-26 1973-10-02 T Tada Sprayer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038508A (en) * 1935-01-21 1936-04-21 M & E Mfg Company Lubricant dispensing nozzle
US2280615A (en) * 1941-06-13 1942-04-21 New York Air Brake Co Backup valve
US2877798A (en) * 1954-06-21 1959-03-17 Donald J Hansen Dispensing valve mechanism
US2991945A (en) * 1959-08-27 1961-07-11 Lafayette Brass Mfg Company In Gun type sprayer
US3061202A (en) * 1961-01-27 1962-10-30 Tracy B Tyler Device for spraying or jetting liquids
US3685739A (en) * 1970-08-07 1972-08-22 Afa Corp Liquid dispensing apparatus
US3701478A (en) * 1970-10-08 1972-10-31 Tetsuya Tada Hand sprayer
US3762647A (en) * 1971-08-26 1973-10-02 T Tada Sprayer

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD243333S (en) * 1975-05-08 1977-02-08 Tetsuya Tada Sprayer
US4083497A (en) * 1976-06-03 1978-04-11 Chem-Lawn Corporation Spray gun
US4146155A (en) * 1977-11-14 1979-03-27 Security Plastics Inc. Continuous trigger activated pumping system
US4346821A (en) * 1978-03-16 1982-08-31 Afa Consolidated Corporation Child-resistant closures for container mounted spray dispensers
US4235353A (en) * 1978-03-24 1980-11-25 James D. Pauls And J. Claybrook Lewis And Associates, Limited Trigger operated dispensing device with accumulating chamber
US4241853A (en) * 1978-05-17 1980-12-30 James D. Pauls And J. Claybrook Lewis And Associates, Limited Dispenser for either continuous or intermittent discharge
FR2430896A1 (fr) * 1978-07-12 1980-02-08 Afa Corp Capuchon de fermeture assemble avec le corps d'un distributeur pulverisateur
US4345718A (en) * 1979-04-23 1982-08-24 William Horvath Manually actuated trigger sprayer
US4278187A (en) * 1979-12-13 1981-07-14 Security Plastics, Inc. Trigger lock system for pump
US4441633A (en) * 1981-10-26 1984-04-10 Bennett Robert A Child resistant trigger pump
US4506805A (en) * 1982-06-11 1985-03-26 Valve Precision S.A.R.L. Dispenser device for liquids
US4538745A (en) * 1983-05-19 1985-09-03 The Clorox Company Trigger sprayer
US5087018A (en) * 1987-03-20 1992-02-11 Bissell Inc. Fluid flow control valve
WO1989000137A1 (fr) * 1987-07-06 1989-01-12 Leeds And Micallef Pompe a poignee de commande
US4826052A (en) * 1987-07-06 1989-05-02 Leeds And Micallef Trigger pump
US4993214A (en) * 1988-03-08 1991-02-19 S. C. Johnson & Son, Inc. Method of assembling a trigger sprayer device
US5564604A (en) * 1993-08-06 1996-10-15 Tada; Tetsuya Manually operated trigger type dispenser
US5535952A (en) * 1993-08-11 1996-07-16 Tada; Tetsuya Safety mechanism for a manually operated trigger activated dispenser
US5492275A (en) * 1994-05-16 1996-02-20 Par-Way Group Hand pump sprayer with rotating nozzle and system for dispensing viscous liquids
US5667138A (en) * 1994-05-16 1997-09-16 Par-Way Group Hand held spray dispenser system
US5740964A (en) * 1994-05-16 1998-04-21 Par-Way Group Hand held spray dispenser with adjustable pressure delivery system and rotating nozzle
US5918854A (en) * 1996-04-23 1999-07-06 The Coca-Cola Company Pop-up valve closure for a container
EP0838266A1 (fr) * 1996-10-24 1998-04-29 Calmar-Albert GmbH Elément de verrouillage à l'épreuve des enfants pour distributeur à gachette
US5823395A (en) * 1997-04-24 1998-10-20 Continental Sprayers International, Inc. Child-resistant pump dispenser
WO1998047811A1 (fr) * 1997-04-24 1998-10-29 Continental Sprayers International, Inc. Pulverisateur a pompe a l'epreuve de mains enfantines
US6244469B1 (en) 1998-01-14 2001-06-12 Michael G. Knickerbocker Child resistant trigger for dispenser
US6745763B2 (en) * 1998-10-27 2004-06-08 Garth T. Webb Vaporizing device for administering sterile medication
US6286723B1 (en) 2000-03-06 2001-09-11 Saint-Gobain Calmar Inc. Self-resetting child-resistant trigger sprayer
US6220568B1 (en) * 2000-03-14 2001-04-24 Fwu Tien Industry Co., Ltd. Controlling switch of an atomizer handle
US6345738B1 (en) 2000-03-16 2002-02-12 Owen-Illinois Closure Inc. Pump dispenser having body with fill-through conduit
US6196423B1 (en) 2000-04-25 2001-03-06 Innopak, Inc. Child resistant overcap with safety collar and containing a child resistant slip collar for screw-on pump sprayers
US6425538B1 (en) * 2000-08-11 2002-07-30 L. R. Nelson Corporation Nozzle with automatic disengaging bale
US20040200861A1 (en) * 2003-03-24 2004-10-14 Simcro Tech Limited Plunger damping means
US7021501B2 (en) * 2003-10-06 2006-04-04 Emerson Electric Co. Faucet lever lock
US20050072791A1 (en) * 2003-10-06 2005-04-07 Emerson Electric Co. Faucet lever lock
US20070045447A1 (en) * 2005-08-31 2007-03-01 Wipper Daniel J Handgrip powered pressurized air sprayer
US20080135581A1 (en) * 2006-12-12 2008-06-12 Timothy James Kennedy Fluid Dispensing Systems for Pump Dispenser
US20110174841A1 (en) * 2006-12-12 2011-07-21 Timothy James Kennedy Fluid Dispensing Systems for Pump Dispenser
EP2939749A4 (fr) * 2012-12-29 2016-08-03 Canyon Corp Pulvérisateur de type à gâchette
USD717666S1 (en) 2014-03-14 2014-11-18 The Clorox Company Fluid dispenser
FR3021635A1 (fr) * 2014-05-28 2015-12-04 Oreal Diffuseur destine a etre fixe sur un recipient muni d'un ensemble de distribution de produit, dispositif et procede associe
US20170227269A1 (en) * 2016-02-04 2017-08-10 Wenling Jennfeng Industry Inc. Freon Refilling Apparatus for Vehicles
US20220401984A1 (en) * 2021-06-21 2022-12-22 Market Ready, Inc. Trigger sprayer assembly with dual action piston
US11701676B2 (en) * 2021-06-21 2023-07-18 Market Ready, Inc. Trigger sprayer assembly with dual action piston

Also Published As

Publication number Publication date
IT1029596B (it) 1979-03-20
FR2260392A1 (fr) 1975-09-05
FR2260393B1 (fr) 1977-03-25
DE2446950C3 (de) 1980-03-27
DE2447426A1 (de) 1975-08-14
JPS50111614A (fr) 1975-09-02
DE2446950B2 (de) 1979-07-19
JPS5222448B2 (fr) 1977-06-17
FR2260392B1 (fr) 1978-12-01
DE2446950A1 (de) 1975-08-21
IT1019450B (it) 1977-11-10
GB1448615A (en) 1976-09-08
GB1448616A (en) 1976-09-08
FR2260393A1 (fr) 1975-09-05

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