EP1520631A4 - Discharge container - Google Patents

Discharge container

Info

Publication number
EP1520631A4
EP1520631A4 EP03736227A EP03736227A EP1520631A4 EP 1520631 A4 EP1520631 A4 EP 1520631A4 EP 03736227 A EP03736227 A EP 03736227A EP 03736227 A EP03736227 A EP 03736227A EP 1520631 A4 EP1520631 A4 EP 1520631A4
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
valve body
container
diameter portion
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.)
Granted
Application number
EP03736227A
Other languages
German (de)
French (fr)
Japanese (ja)
Other versions
EP1520631A1 (en
EP1520631B1 (en
Inventor
Takashi Suzuki
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.)
Top KK
Original Assignee
Top KK
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30112519&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1520631(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Top KK filed Critical Top KK
Publication of EP1520631A1 publication Critical patent/EP1520631A1/en
Publication of EP1520631A4 publication Critical patent/EP1520631A4/en
Application granted granted Critical
Publication of EP1520631B1 publication Critical patent/EP1520631B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B05B11/1038—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

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

A discharge container capable of ensuring a stable discharge condition with a simple structure. A discharge container (1) comprises a container (3) for receiving liquid (2) and an actuator (4). A cylinder (5) is provided in the container (3). The cylinder (5) has a large diameter portion (5a), an inclination portion (5c), and a small diameter portion (5b). A first piston (7) having a valve body (8) is provided in the large diameter portion (5a), and a second piston (9) is provided in the small diameter portion (5b) with the second piston being urged by a spring (10). A projection portion (8b) is formed on the lower part of a valve portion (8a) of the valve body (8), and a spacing retaining member (11) is provided between the valve body (8) and the second piston (9). When the actuator (4) is pressed down, the second piston (9) is pressed down by the liquid (2) in the cylinder (5) until the projection portion (8b) is in contact with the inclination portion (5c). When the projection portion (8b) is in contact with the inclination portion (5c) and guided inward, a gap is produced between the valve portion (8a) of the valve body (8) and the inner wall of the cylinder (5), and the liquid (2) is discharged from a nozzle (4a) by urging force of the spring (10).
EP03736227A 2002-07-09 2003-06-17 Discharge container Expired - Fee Related EP1520631B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002200570A JP3768461B2 (en) 2002-07-09 2002-07-09 Discharge container
JP2002200570 2002-07-09
PCT/JP2003/007660 WO2004004920A1 (en) 2002-07-09 2003-06-17 Discharge container

Publications (3)

Publication Number Publication Date
EP1520631A1 EP1520631A1 (en) 2005-04-06
EP1520631A4 true EP1520631A4 (en) 2007-10-24
EP1520631B1 EP1520631B1 (en) 2008-12-17

Family

ID=30112519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03736227A Expired - Fee Related EP1520631B1 (en) 2002-07-09 2003-06-17 Discharge container

Country Status (7)

Country Link
EP (1) EP1520631B1 (en)
JP (1) JP3768461B2 (en)
AU (1) AU2003241715B2 (en)
DE (1) DE60325363D1 (en)
MY (1) MY134530A (en)
TW (1) TWI230634B (en)
WO (1) WO2004004920A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5102690B2 (en) * 2008-04-23 2012-12-19 キタノ製作株式会社 Metering container
FR3002293B1 (en) * 2013-02-15 2015-04-10 Aptar France Sas IMPROVED PRECOMPRESSION PUMP.
US20230048927A1 (en) * 2020-01-30 2023-02-16 Hewlett-Packard Development Company, L.P. Liquid waste container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804838A1 (en) * 1968-10-24 1970-06-11 Schlossar Edmund Liquid atomizer with hand-operated pressure generator
US4325499A (en) * 1980-10-31 1982-04-20 Ethyl Products Company Extended spray pump
US4693675A (en) * 1986-01-16 1987-09-15 The Pharmasol Corporation Non-throttling discharge pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053089A (en) * 1975-08-01 1977-10-11 Lever Brothers Company Pump for dispensing liquids
JP3403702B2 (en) * 2000-07-03 2003-05-06 株式会社トップ Discharge container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804838A1 (en) * 1968-10-24 1970-06-11 Schlossar Edmund Liquid atomizer with hand-operated pressure generator
US4325499A (en) * 1980-10-31 1982-04-20 Ethyl Products Company Extended spray pump
US4693675A (en) * 1986-01-16 1987-09-15 The Pharmasol Corporation Non-throttling discharge pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004004920A1 *

Also Published As

Publication number Publication date
MY134530A (en) 2007-12-31
EP1520631A1 (en) 2005-04-06
AU2003241715B2 (en) 2007-07-05
TW200400854A (en) 2004-01-16
AU2003241715A1 (en) 2004-01-23
JP2004041865A (en) 2004-02-12
DE60325363D1 (en) 2009-01-29
WO2004004920A1 (en) 2004-01-15
EP1520631B1 (en) 2008-12-17
JP3768461B2 (en) 2006-04-19
TWI230634B (en) 2005-04-11

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