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AU3208177A - Back-check valve - Google Patents

Back-check valve

Info

Publication number
AU3208177A
AU3208177A AU32081/77A AU3208177A AU3208177A AU 3208177 A AU3208177 A AU 3208177A AU 32081/77 A AU32081/77 A AU 32081/77A AU 3208177 A AU3208177 A AU 3208177A AU 3208177 A AU3208177 A AU 3208177A
Authority
AU
Australia
Prior art keywords
check valve
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.)
Pending
Application number
AU32081/77A
Inventor
Albert Schule
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.)
SCHULE A
Original Assignee
SCHULE A
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 SCHULE A filed Critical SCHULE A
Publication of AU3208177A publication Critical patent/AU3208177A/en
Pending 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
    • F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
AU32081/77A 1977-01-07 1977-12-30 Back-check valve Pending AU3208177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH19477A CH606881A5 (en) 1977-01-07 1977-01-07

Publications (1)

Publication Number Publication Date
AU3208177A true AU3208177A (en) 1979-07-05

Family

ID=4181393

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32081/77A Pending AU3208177A (en) 1977-01-07 1977-12-30 Back-check valve

Country Status (3)

Country Link
AU (1) AU3208177A (en)
CH (1) CH606881A5 (en)
FR (1) FR2377140A7 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107289156A (en) * 2016-04-13 2017-10-24 洪铭德 With preventing negative pressure reflux

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8413826D0 (en) * 1984-05-31 1984-07-04 Cartwright G E Pumps
NO155299C (en) * 1984-07-02 1987-03-11 Gyula Racs REVERSE VALVE DEVICE.
US4775301A (en) * 1986-06-27 1988-10-04 Cartwright Garry E Oscillating electromagnetic pump with one-way diaphragm valves
GR890100720A (en) * 1989-11-01 1992-04-17 Liosis Epameinondas Michanolog Rubber flap valve
DE202006012645U1 (en) * 2006-08-17 2006-11-16 Filtertek B.V. Check valve e.g. for gas lines, is rotationally symmetric and has valve seat containing center section, inlet channel and outlet channel with flexible seal covering outlet channel forming valve closing member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107289156A (en) * 2016-04-13 2017-10-24 洪铭德 With preventing negative pressure reflux

Also Published As

Publication number Publication date
CH606881A5 (en) 1978-11-15
FR2377140A7 (en) 1978-08-04

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