CA2294914A1 - Duckbill valve - Google Patents

Duckbill valve Download PDF

Info

Publication number
CA2294914A1
CA2294914A1 CA002294914A CA2294914A CA2294914A1 CA 2294914 A1 CA2294914 A1 CA 2294914A1 CA 002294914 A CA002294914 A CA 002294914A CA 2294914 A CA2294914 A CA 2294914A CA 2294914 A1 CA2294914 A1 CA 2294914A1
Authority
CA
Canada
Prior art keywords
duckbill valve
slit
round
elastomeric body
valve according
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.)
Abandoned
Application number
CA002294914A
Other languages
English (en)
French (fr)
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
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
Priority claimed from US09/081,328 external-priority patent/US6092551A/en
Application filed by Individual filed Critical Individual
Publication of CA2294914A1 publication Critical patent/CA2294914A1/en
Abandoned 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)
CA002294914A 1997-07-15 1998-07-06 Duckbill valve Abandoned CA2294914A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US89259497A 1997-07-15 1997-07-15
US08/892,594 1997-07-15
US09/081,328 1998-05-19
US09/081,328 US6092551A (en) 1998-05-19 1998-05-19 Duckbill valve
PCT/EP1998/004225 WO1999004187A1 (en) 1997-07-15 1998-07-06 Duckbill valve

Publications (1)

Publication Number Publication Date
CA2294914A1 true CA2294914A1 (en) 1999-01-28

Family

ID=26765474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002294914A Abandoned CA2294914A1 (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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734887B1 (en) * 2003-12-11 2010-03-10 Koninklijke Philips Electronics N.V. Twin duckbill valve assembly
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
EP3074674B1 (en) * 2013-11-29 2018-10-24 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
CN219242669U (zh) * 2022-12-28 2023-06-23 北京天玛智控科技股份有限公司 安全阀

Family Cites Families (5)

* 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
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

Also Published As

Publication number Publication date
CN1264456A (zh) 2000-08-23
AU8858698A (en) 1999-02-10
JP2001510272A (ja) 2001-07-31
ID24197A (id) 2000-07-13
AU728691B2 (en) 2001-01-18
WO1999004187A1 (en) 1999-01-28
EP0995060A1 (en) 2000-04-26
BR9811109A (pt) 2000-07-18

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Legal Events

Date Code Title Description
FZDE Discontinued