AU728691B2 - Duckbill valve - Google Patents

Duckbill valve Download PDF

Info

Publication number
AU728691B2
AU728691B2 AU88586/98A AU8858698A AU728691B2 AU 728691 B2 AU728691 B2 AU 728691B2 AU 88586/98 A AU88586/98 A AU 88586/98A AU 8858698 A AU8858698 A AU 8858698A AU 728691 B2 AU728691 B2 AU 728691B2
Authority
AU
Australia
Prior art keywords
duckbill valve
slit
valve according
duckbill
elastomeric body
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.)
Ceased
Application number
AU88586/98A
Other languages
English (en)
Other versions
AU8858698A (en
Inventor
Robert Alfred Bennett
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.)
Unilever PLC
Original Assignee
Unilever PLC
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
Priority claimed from US09/081,328 external-priority patent/US6092551A/en
Application filed by Unilever PLC filed Critical Unilever PLC
Publication of AU8858698A publication Critical patent/AU8858698A/en
Application granted granted Critical
Publication of AU728691B2 publication Critical patent/AU728691B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
AU88586/98A 1997-07-15 1998-07-06 Duckbill valve Ceased AU728691B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US89259497A 1997-07-15 1997-07-15
US08/892594 1997-07-15
US09/081,328 US6092551A (en) 1998-05-19 1998-05-19 Duckbill valve
US09/081328 1998-05-19
PCT/EP1998/004225 WO1999004187A1 (en) 1997-07-15 1998-07-06 Duckbill valve

Publications (2)

Publication Number Publication Date
AU8858698A AU8858698A (en) 1999-02-10
AU728691B2 true AU728691B2 (en) 2001-01-18

Family

ID=26765474

Family Applications (1)

Application Number Title Priority Date Filing Date
AU88586/98A Ceased AU728691B2 (en) 1997-07-15 1998-07-06 Duckbill valve

Country Status (8)

Country Link
EP (1) EP0995060A1 (zh)
JP (1) JP2001510272A (zh)
CN (1) CN1264456A (zh)
AU (1) AU728691B2 (zh)
BR (1) BR9811109A (zh)
CA (1) CA2294914A1 (zh)
ID (1) ID24197A (zh)
WO (1) WO1999004187A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004025984D1 (de) * 2003-12-11 2010-04-22 Koninkl Philips Electronics Nv Doppel entenschnabel-ventilanordnung
JP2007224972A (ja) * 2006-02-22 2007-09-06 Sumitomo Bakelite Co Ltd 弁組立体および医療用器具
CA2632369A1 (en) * 2007-05-31 2008-11-30 Tyco Healthcare Group Lp Access apparatus with shallow zero closure valve
DE102010012018A1 (de) * 2010-03-12 2011-09-15 Kaco Gmbh + Co. Kg Entlüftungsventil
US10274095B2 (en) * 2013-11-29 2019-04-30 Koninklijke Philips N.V. Valve and manufacturing method for manufacturing the valve
JP6515258B2 (ja) * 2014-08-30 2019-05-22 丸一株式会社 逆止め弁
HK1205412A2 (zh) 2015-09-14 2015-12-11 立風鐡聯環保科技有限公司 種使用生物可降解過濾器以淨化新鮮空氣的裝置
CN106122634B (zh) * 2016-08-08 2019-05-07 张誉元 自闭锁快插接头及防脱落快速插接器
DE202019103326U1 (de) * 2019-06-13 2020-09-16 Neoperl Gmbh Schnabelventil und Verwendung eines Schnabelventils
IT202100004631A1 (it) * 2021-02-26 2022-08-26 Relief S R L Valvola endouretrale
WO2024080408A1 (ko) * 2022-10-13 2024-04-18 강성일 펌프 용기용 체크밸브

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130232B (de) * 1957-08-08 1962-05-24 Ernst Bauch Gummilippenventil
US3822720A (en) * 1971-03-04 1974-07-09 Noyce R Flow control assembly
US4642097A (en) * 1985-03-25 1987-02-10 Siposs George G Left ventrical vacuum control and pressure relief valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010925A (en) 1990-04-09 1991-04-30 Vernay Laboratories, Inc. Normally closed duckbill valve assembly
US5141029A (en) * 1990-12-19 1992-08-25 Eastman Kodak Company Variable orifice device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130232B (de) * 1957-08-08 1962-05-24 Ernst Bauch Gummilippenventil
US3822720A (en) * 1971-03-04 1974-07-09 Noyce R Flow control assembly
US4642097A (en) * 1985-03-25 1987-02-10 Siposs George G Left ventrical vacuum control and pressure relief valve

Also Published As

Publication number Publication date
ID24197A (id) 2000-07-13
EP0995060A1 (en) 2000-04-26
CN1264456A (zh) 2000-08-23
AU8858698A (en) 1999-02-10
BR9811109A (pt) 2000-07-18
CA2294914A1 (en) 1999-01-28
JP2001510272A (ja) 2001-07-31
WO1999004187A1 (en) 1999-01-28

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired