GB794511A - Improvements in and relating to non-return valves - Google Patents

Improvements in and relating to non-return valves

Info

Publication number
GB794511A
GB794511A GB927755A GB927755A GB794511A GB 794511 A GB794511 A GB 794511A GB 927755 A GB927755 A GB 927755A GB 927755 A GB927755 A GB 927755A GB 794511 A GB794511 A GB 794511A
Authority
GB
United Kingdom
Prior art keywords
tube
rubber
relating
return valves
flaps
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
Application number
GB927755A
Inventor
Philip Charles Bolt
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.)
Normalair Ltd
Original Assignee
Normalair Ltd
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 Normalair Ltd filed Critical Normalair Ltd
Priority to GB927755A priority Critical patent/GB794511A/en
Publication of GB794511A publication Critical patent/GB794511A/en
Expired 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
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre

Abstract

794,511. Valves. NORMALAIR, Ltd. March 28, 1956 [March 30, 1955], No. 9277/55. Class 135. A non-return valve comprises a rubber tube a with one end recessed, as shown, and provided at that end with flaps c of rubber, &c. The flaps are secured to the tube at d. The tube a may be covered by a further rubber tube or by a rigid tube formed with holes through which the inner tube may be kneaded in order to free the valve from ice. The apertures in the outer tube may be covered by a further thinwalled rubber tube.
GB927755A 1955-03-30 1955-03-30 Improvements in and relating to non-return valves Expired GB794511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB927755A GB794511A (en) 1955-03-30 1955-03-30 Improvements in and relating to non-return valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB927755A GB794511A (en) 1955-03-30 1955-03-30 Improvements in and relating to non-return valves

Publications (1)

Publication Number Publication Date
GB794511A true GB794511A (en) 1958-05-07

Family

ID=9868868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB927755A Expired GB794511A (en) 1955-03-30 1955-03-30 Improvements in and relating to non-return valves

Country Status (1)

Country Link
GB (1) GB794511A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312237A (en) * 1964-05-06 1967-04-04 Mon George Bicuspid heart valve
US5518026A (en) * 1994-09-30 1996-05-21 G. T. Products, Inc. Filler neck butterfly check valve
US6253788B1 (en) 1999-03-29 2001-07-03 Tesma-Motoren-Und Getriebetechnik Ges. M.B.H. Check valve for use in a filler pipe for filling a fuel tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312237A (en) * 1964-05-06 1967-04-04 Mon George Bicuspid heart valve
US5518026A (en) * 1994-09-30 1996-05-21 G. T. Products, Inc. Filler neck butterfly check valve
US6253788B1 (en) 1999-03-29 2001-07-03 Tesma-Motoren-Und Getriebetechnik Ges. M.B.H. Check valve for use in a filler pipe for filling a fuel tank

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