US3701478A - Hand sprayer - Google Patents

Hand sprayer Download PDF

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Publication number
US3701478A
US3701478A US133870A US3701478DA US3701478A US 3701478 A US3701478 A US 3701478A US 133870 A US133870 A US 133870A US 3701478D A US3701478D A US 3701478DA US 3701478 A US3701478 A US 3701478A
Authority
US
United States
Prior art keywords
cylinder
piston
sprayer
passage
check valve
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
US133870A
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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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3701478A publication Critical patent/US3701478A/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
    • B05B11/0005—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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the 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
    • B05B11/01—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

Definitions

  • the piston has a through passage integrally formed therein, a check valve consisting of a one-piece resilient element and spraying cartridge; resilient element with a recess, in which a spring seats, forms a piston ring preventing leakage, the spring providing a returning force forthe piston after handle operation.
  • This invention relates to a sprayer of hand-operated type.
  • Various sprayer structuresof the handoperated type are known which, however, have the drawbacks that they generally require many construction parts and consequently have high production cost.
  • a body having a cylinder and stock portion is provided'which may be integrally molded from plastics; a
  • piston member having a through passage formed therein; a check valve disposed in the passage; and spraying means attached to its outer end, and handle means engaged with the piston to be operated by the operator's fingers.
  • a second aspect, of the invention resides in using such a check valve as consists of aone-piece resilient material with one or more notches adapted to open when there is applied higher pressure to the inside of theresilient piece than to the outside and to close when the condition isreversed.
  • FIG. 1 is a section of an embodiment of the invention
  • FIG. 2 is a sectional view on line II-II of FIG; 1;
  • FIG. 3 is a sectional view on line III-III of FIG. 1;
  • FIG. 4 is an enlarged section of a particular check valve employed in the invention.
  • FIG. 5 is aplan view of the valve of FIG. 4.
  • a sprayer comprises a body 11 having a cylinder 12 with an inward extension 13 starting from the closed end of the cylinder, a cylindrical stock portion 14 extending from the cylinder at approximately right angles to the axis of the cylinder and bracket portion 15 extending in an opposite direction to that in which the portion extends.
  • the Stock and bracket portions 14 and 15 may be molded as an integral body from plastics such as A.B.S..
  • In the stock portion are formed an inlet bore or passage 16 for the cylinder 12 and a larger diameter bore 17, which are coaxially arranged with the stock.
  • a connector 29 is providedat the outer end of the stock portion 14.
  • the connector 29 is annular and has screw threads 30 to be engaged with the bottle opening and an inward flange-31 adapted to cause the flange 19 of the member 18 to closely abut on the end face of the bottle opening.
  • a piston 32 comprises a piston body 33 which may be of plastics such as A.B.S.
  • the piston body 33 has at its inner end an extension 34 of the same diameter as the previously described extension 13 of the cylinder 12 and a through bore or passage 35 including a bore 36 of larger diameter but of shorter length formed outside of the bore 35.
  • a piston ring 37 of resilient material such as rubber or the like which as, as later described, a particular configuration shown in the figure to enclose the base portion of the extension 34, thereby holding a spring.
  • a second check valve 38 consisting of a one-piece resilient element such as rubber or the like having a hat-shape as a whole.
  • the valve 38 consists of a flange 39, cap portion 40 of a truncated cone or partly spherical shape and one or more (two shown in the figure) notches 41 extending through the center of the cap portion 40 and having a sufficient depth
  • a hat-shaped member 18 with a flange 19 and a central tubular portion 20 which are integrally formed from resilient material such as rubber or the like so that the tube 20 communicates in air tightness with the inlet passage 16.
  • an intermediate partition 21 with a central passage 22 which serves as a valve seat and a shoulder 23 slightly apart from the seat surface of the partition.
  • a sleeve 24 isfitted into the tube 20 with its outer end abutting on the shoulder 23 and a square cross sectional piece 25 is forcedly fitted into the sleeve 24 so that four crescent clearances are formed between the sleeve and piece 25 and 25 as apparently shown in FIG. 3.
  • a square valve plate 26 is located, seating by its weight on the seat surface of the partition 21 to act as a check valve.
  • a flexible tube 27 of suitable length is forcedly inserted into the outer end of the tubular portion 20.
  • Some ribs 42 may be provided on the cap portion 40 for reinforcement.
  • a spray nozzle assembly or cartridge is located at the outerend of the piston body 33. It is conveniently molded from plastics such as polyethylene.
  • the spraying cartridge 43 comprises a head 44 having two parallel passages 45 and a bridging channel 46 for the two passages 45 and a tubular portion 47.
  • the cartridge 43 is inserted with its. tubular portion 47 in the bore 36 of the piston body 33 so as to cause the end of the tubular portion 47 to abut on the flange 36 of the valve 38 and securely held by an annular holder 48 engaging the outer end of the piston body 33 by screw threads with a ring-packing 49 interposed between the cartridge 43 and the outer end face of the piston. body 33.
  • a compression coil spring 50 is so disposed in the cylinder as to surround the extensions 13 and 34, cause its ends to abut on the closed end of the cylinder 12 and the recess or groove of the piston ring 37 respectively, thereby urging the piston 32 outwardly.
  • a lever of handle 51 pivoted to the bracket portion 15 of the body. 11 at 52 to have its free end extend in substantially parallel with the stock portion 14 of the body 11 so as to be operated by the operators fingers.
  • the lever has at an intermediate portion a longitudinally elongated aperture 53 through which the piston body 33 freely travels.
  • spring 50 Upon retraction of the handle, spring 50 will be compressed.
  • the left end (FIG. 1) of spring 60 seats in the recess of the piston ring 37.
  • the piston ring 37 which is made of yieldable material will be brought in intimate compact with the inner wall of the cylinder, thus avoiding leakage of air between the cylinder and the piston.
  • a hand sprayer comprising a body (11) having therein a cylinder (12) closed at one end thereof;
  • a stock portion (14) adapted to be gripped by an operator and. having a passage (16) therein through which spray material is introduced in the cylinder;
  • a piston member (32, 33) slidably inserted in the cylinder (12) with one end extending outwardly from the body, the member (32) having a through bore (35) formed along the longitudinal axis thereof;
  • a piston ring (37) of resilient material located on the other end thereof, said ring having a recess in the side facing the closed and of the cylinder and a circumferential flange overlapping the recess, the
  • a sprayer as claimed in claim 1 in which said first and/or second check valve consists of a one-piece resilient element of hat-shape with a truncated conical or partly spherical top portion and provided at said top portion with one or more notches adapted to open when there is applied higher pressure to the inside of the top portion than to the outside thereof, and to close when the condition is reversed.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
US133870A 1970-10-08 1971-04-14 Hand sprayer Expired - Lifetime US3701478A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8810170 1970-10-08
JP8810070 1970-10-08

Publications (1)

Publication Number Publication Date
US3701478A true US3701478A (en) 1972-10-31

Family

ID=26429537

Family Applications (1)

Application Number Title Priority Date Filing Date
US133870A Expired - Lifetime US3701478A (en) 1970-10-08 1971-04-14 Hand sprayer

Country Status (7)

Country Link
US (1) US3701478A (fr)
BE (1) BE773624A (fr)
CA (1) CA946799A (fr)
CH (1) CH522442A (fr)
DE (1) DE2118594A1 (fr)
FR (1) FR2109575A5 (fr)
GB (1) GB1312017A (fr)

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768734A (en) * 1972-04-26 1973-10-30 Arrowhead Prod Corp Manually operated sprayer
US3797749A (en) * 1971-09-08 1974-03-19 T Tada Sprayer
US3840157A (en) * 1972-10-16 1974-10-08 J Hellenkamp Hand operated sprayer
US3927834A (en) * 1974-02-12 1975-12-23 Tetsuya Tada Sprayer
USD243333S (en) * 1975-05-08 1977-02-08 Tetsuya Tada Sprayer
US4011992A (en) * 1975-07-23 1977-03-15 Par-Way Mfg. Co. System for heat conditioning of non-stick liquid preparation for spraying on grill
DE2705071A1 (de) * 1976-02-09 1977-08-11 Afa Corp Von hand betaetigbare spruehvorrichtung mit automatischer behaelterentlueftung
US4109869A (en) * 1977-06-16 1978-08-29 Dutton-Lainson Company Oiler with adjustable spray nozzle
USD251381S (en) 1977-09-30 1979-03-20 ASL/Airflow Limited Liquid sprayer
US4153203A (en) * 1977-03-02 1979-05-08 Tetsuya Tada Trigger type sprayer
US4273268A (en) * 1977-12-13 1981-06-16 Seaquist Valve Co., Div. Of Pittway Fluid spray pump
US4345718A (en) * 1979-04-23 1982-08-24 William Horvath Manually actuated trigger sprayer
US4558821A (en) * 1983-03-03 1985-12-17 Canyon Corporation Trigger-type sprayer with integrally formed housing, trigger, nozzle and cylinder
US4646970A (en) * 1984-05-18 1987-03-03 The United States Of America As Represented By The Secretary Of The Army Hand-held washing device
US4880165A (en) * 1988-03-14 1989-11-14 Kevin Fuquay Hand-held spray device
US4915263A (en) * 1988-03-08 1990-04-10 S. C. Johnson Son, Inc. Trigger sprayer device
US4958754A (en) * 1989-03-01 1990-09-25 Continental Sprayers, Inc. Dispenser or sprayer with vent system
US4993214A (en) * 1988-03-08 1991-02-19 S. C. Johnson & Son, Inc. Method of assembling a trigger sprayer device
US5088649A (en) * 1990-07-12 1992-02-18 Par-Way Group Pump sprayable dispensing system for vegetable oil based pan coatings
US5254092A (en) * 1992-09-15 1993-10-19 American Medical Systems, Inc. Fluid flow check valve
US5332157A (en) * 1990-10-01 1994-07-26 Take 5 Hand operated fluid dispenser for multiple fluids and dispenser bottle
US5356049A (en) * 1993-03-29 1994-10-18 Eastman Kodak Company Hand pump assembly with a pump mechanism which is independent of the pump housing
USD351646S (en) 1994-02-04 1994-10-18 Contico International, Inc. Trigger sprayer
US5358179A (en) * 1993-08-18 1994-10-25 The Procter & Gamble Company Atomization systems for high viscosity products
US5372311A (en) * 1993-08-04 1994-12-13 Nye; Norman H. Spray type pressure dispensing container
US5492275A (en) * 1994-05-16 1996-02-20 Par-Way Group Hand pump sprayer with rotating nozzle and system for dispensing viscous liquids
US5513800A (en) * 1990-10-25 1996-05-07 Contico International, Inc. Low cost trigger sprayer having pump with internal spring means
US5526963A (en) * 1995-02-02 1996-06-18 Smith; Gerald K. Hand-held gravity feed spray bottle
US5639025A (en) * 1995-07-07 1997-06-17 The Procter & Gamble Company High Viscosity pump sprayer utilizing fan spray nozzle
US5642860A (en) * 1995-07-07 1997-07-01 The Procter & Gamble Company Pump sprayer for viscous or solids laden liquids
US5711459A (en) * 1995-08-07 1998-01-27 Ideal Ideas, Inc. Double action trigger sprayer
US5740964A (en) * 1994-05-16 1998-04-21 Par-Way Group Hand held spray dispenser with adjustable pressure delivery system and rotating nozzle
WO1998030334A1 (fr) 1997-01-06 1998-07-16 The Procter & Gamble Company Ajutages generant des jets en eventail et a extremites elastomeres renflees
US5822968A (en) * 1996-04-23 1998-10-20 Savala; Rodney M. Garden tool and sprayer
US5964380A (en) * 1997-08-07 1999-10-12 University Of Massachussets Viscous liquid applicator
US6036057A (en) * 1996-06-14 2000-03-14 S.C. Johnson Commercial Markets, Inc. Dual piston variable proportioning system
US6234412B1 (en) 1997-09-04 2001-05-22 Alfred Von Schuckmann Spray pump capable of being actuated by a hand lever
USD447415S1 (en) 2000-05-31 2001-09-04 Tolco Corporation Trigger sprayer
USD451388S1 (en) 2000-07-13 2001-12-04 Tolco Corporation Trigger sprayer
US6769573B1 (en) 2002-09-13 2004-08-03 Randal N. Kazarian Multi-chambered container fluid selection valve
US20060021511A1 (en) * 2004-06-24 2006-02-02 Select-Measure Consumption, L.L.C. Metered volume liquid dispensing device
USD520360S1 (en) 2004-10-28 2006-05-09 Squeeze Breeze/Circulair, A Div. Of Glj, Llc Mist and sip handpiece
US20080145250A1 (en) * 2006-12-14 2008-06-19 Emerson Electric Co. Oiler pump
US8100599B1 (en) 2008-07-16 2012-01-24 Raffi Guiragossian Handheld surface cleaning device
US20120144776A1 (en) * 2010-12-10 2012-06-14 Wayne Sikorcin Balloon filling device
CN104324822A (zh) * 2014-09-25 2015-02-04 北京北机机电工业有限责任公司 一种喷射装置
US9546346B2 (en) 2011-04-07 2017-01-17 The Dial Corporation Use of polyethylene glycol to control the spray pattern of sprayable liquid abrasive cleansers
US10265708B2 (en) * 2014-07-15 2019-04-23 Lunatec, Inc. Pressurizable fluid container and flexible dispenser

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157774A (en) * 1975-10-10 1979-06-12 Leeds And Micallef Dispensing pump with trigger actuator
FR2411980B1 (fr) * 1977-12-13 1985-11-29 Seaquist Valve Co Pulverisateur a gachette
EP0183693A4 (fr) * 1984-06-01 1987-03-12 Robert L Bundschuh Distributeur a pompe avec detente coulissante.

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797749A (en) * 1971-09-08 1974-03-19 T Tada Sprayer
US3768734A (en) * 1972-04-26 1973-10-30 Arrowhead Prod Corp Manually operated sprayer
US3840157A (en) * 1972-10-16 1974-10-08 J Hellenkamp Hand operated sprayer
US3927834A (en) * 1974-02-12 1975-12-23 Tetsuya Tada Sprayer
USD243333S (en) * 1975-05-08 1977-02-08 Tetsuya Tada Sprayer
US4011992A (en) * 1975-07-23 1977-03-15 Par-Way Mfg. Co. System for heat conditioning of non-stick liquid preparation for spraying on grill
DE2705071A1 (de) * 1976-02-09 1977-08-11 Afa Corp Von hand betaetigbare spruehvorrichtung mit automatischer behaelterentlueftung
US4153203A (en) * 1977-03-02 1979-05-08 Tetsuya Tada Trigger type sprayer
US4109869A (en) * 1977-06-16 1978-08-29 Dutton-Lainson Company Oiler with adjustable spray nozzle
USD251381S (en) 1977-09-30 1979-03-20 ASL/Airflow Limited Liquid sprayer
US4273268A (en) * 1977-12-13 1981-06-16 Seaquist Valve Co., Div. Of Pittway Fluid spray pump
US4345718A (en) * 1979-04-23 1982-08-24 William Horvath Manually actuated trigger sprayer
US4558821A (en) * 1983-03-03 1985-12-17 Canyon Corporation Trigger-type sprayer with integrally formed housing, trigger, nozzle and cylinder
US4646970A (en) * 1984-05-18 1987-03-03 The United States Of America As Represented By The Secretary Of The Army Hand-held washing device
US4993214A (en) * 1988-03-08 1991-02-19 S. C. Johnson & Son, Inc. Method of assembling a trigger sprayer device
US4915263A (en) * 1988-03-08 1990-04-10 S. C. Johnson Son, Inc. Trigger sprayer device
US4880165A (en) * 1988-03-14 1989-11-14 Kevin Fuquay Hand-held spray device
US4958754A (en) * 1989-03-01 1990-09-25 Continental Sprayers, Inc. Dispenser or sprayer with vent system
US5088649A (en) * 1990-07-12 1992-02-18 Par-Way Group Pump sprayable dispensing system for vegetable oil based pan coatings
US5332157A (en) * 1990-10-01 1994-07-26 Take 5 Hand operated fluid dispenser for multiple fluids and dispenser bottle
US5513800A (en) * 1990-10-25 1996-05-07 Contico International, Inc. Low cost trigger sprayer having pump with internal spring means
US5254092A (en) * 1992-09-15 1993-10-19 American Medical Systems, Inc. Fluid flow check valve
US5356049A (en) * 1993-03-29 1994-10-18 Eastman Kodak Company Hand pump assembly with a pump mechanism which is independent of the pump housing
US5372311A (en) * 1993-08-04 1994-12-13 Nye; Norman H. Spray type pressure dispensing container
US5358179A (en) * 1993-08-18 1994-10-25 The Procter & Gamble Company Atomization systems for high viscosity products
WO1995005244A1 (fr) * 1993-08-18 1995-02-23 The Procter & Gamble Company Systeme ameliore de pulverisation de liquides visqueux
USD351646S (en) 1994-02-04 1994-10-18 Contico International, Inc. Trigger sprayer
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
US5526963A (en) * 1995-02-02 1996-06-18 Smith; Gerald K. Hand-held gravity feed spray bottle
US5642860A (en) * 1995-07-07 1997-07-01 The Procter & Gamble Company Pump sprayer for viscous or solids laden liquids
US5639025A (en) * 1995-07-07 1997-06-17 The Procter & Gamble Company High Viscosity pump sprayer utilizing fan spray nozzle
US5711459A (en) * 1995-08-07 1998-01-27 Ideal Ideas, Inc. Double action trigger sprayer
US5822968A (en) * 1996-04-23 1998-10-20 Savala; Rodney M. Garden tool and sprayer
US6036057A (en) * 1996-06-14 2000-03-14 S.C. Johnson Commercial Markets, Inc. Dual piston variable proportioning system
WO1998030334A1 (fr) 1997-01-06 1998-07-16 The Procter & Gamble Company Ajutages generant des jets en eventail et a extremites elastomeres renflees
US5890655A (en) * 1997-01-06 1999-04-06 The Procter & Gamble Company Fan spray nozzles having elastomeric dome-shaped tips
US5964380A (en) * 1997-08-07 1999-10-12 University Of Massachussets Viscous liquid applicator
US6234412B1 (en) 1997-09-04 2001-05-22 Alfred Von Schuckmann Spray pump capable of being actuated by a hand lever
US6439481B2 (en) 1997-09-04 2002-08-27 Owens-Illinois Closure Inc. Spray pump capable of being actuated by a hand lever
USD447415S1 (en) 2000-05-31 2001-09-04 Tolco Corporation Trigger sprayer
USD451388S1 (en) 2000-07-13 2001-12-04 Tolco Corporation Trigger sprayer
US6769573B1 (en) 2002-09-13 2004-08-03 Randal N. Kazarian Multi-chambered container fluid selection valve
US20060021511A1 (en) * 2004-06-24 2006-02-02 Select-Measure Consumption, L.L.C. Metered volume liquid dispensing device
US8056764B2 (en) * 2004-06-24 2011-11-15 Select-Measure Consumption, L.L.C. Metered volume liquid dispensing device
USD520360S1 (en) 2004-10-28 2006-05-09 Squeeze Breeze/Circulair, A Div. Of Glj, Llc Mist and sip handpiece
US20080145250A1 (en) * 2006-12-14 2008-06-19 Emerson Electric Co. Oiler pump
WO2008076702A3 (fr) * 2006-12-14 2008-10-02 Emerson Electric Co Pompe à huileur
US8100599B1 (en) 2008-07-16 2012-01-24 Raffi Guiragossian Handheld surface cleaning device
US20120144776A1 (en) * 2010-12-10 2012-06-14 Wayne Sikorcin Balloon filling device
US8783001B2 (en) * 2010-12-10 2014-07-22 Tie Not Incorporated Balloon filling device
US9546346B2 (en) 2011-04-07 2017-01-17 The Dial Corporation Use of polyethylene glycol to control the spray pattern of sprayable liquid abrasive cleansers
US10265708B2 (en) * 2014-07-15 2019-04-23 Lunatec, Inc. Pressurizable fluid container and flexible dispenser
US20190217312A1 (en) * 2014-07-15 2019-07-18 Lunatec, Inc. Pressurizable fluid container and flexible dispenser
US10882060B2 (en) * 2014-07-15 2021-01-05 Lunatec, Inc. Pressurizable fluid container and flexible dispenser
CN104324822A (zh) * 2014-09-25 2015-02-04 北京北机机电工业有限责任公司 一种喷射装置

Also Published As

Publication number Publication date
DE2118594A1 (de) 1972-04-13
BE773624A (fr) 1972-01-31
CH522442A (de) 1972-06-30
GB1312017A (en) 1973-04-04
CA946799A (en) 1974-05-07
FR2109575A5 (fr) 1972-05-26

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