GB897678A - Improvements in or relating to non-return valves - Google Patents

Improvements in or relating to non-return valves

Info

Publication number
GB897678A
GB897678A GB3576759A GB3576759A GB897678A GB 897678 A GB897678 A GB 897678A GB 3576759 A GB3576759 A GB 3576759A GB 3576759 A GB3576759 A GB 3576759A GB 897678 A GB897678 A GB 897678A
Authority
GB
United Kingdom
Prior art keywords
valve body
valves
closure portion
seat
mounting 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.)
Expired
Application number
GB3576759A
Inventor
Clifford Butterworth
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.)
Frankenstein & Sons Manchester
P Frankenstein and Sons Manchester Ltd
Original Assignee
Frankenstein & Sons Manchester
P Frankenstein and Sons Manchester 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 Frankenstein & Sons Manchester, P Frankenstein and Sons Manchester Ltd filed Critical Frankenstein & Sons Manchester
Priority to GB3576759A priority Critical patent/GB897678A/en
Publication of GB897678A publication Critical patent/GB897678A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/24Arrangements of inflating valves or of controls thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/14Check valves with flexible valve members
    • F16K15/144Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery

Abstract

897,678. Valves. FRANKENSTEIN & SONS (MANCHESTER) Ltd., P. Nov. 29, 1960 [Oct. 22, 1959], No. 35767/59. Class 135. A non-return valve comprises an elastic element 21 of natural or synthetic rubber, having a closure portion 23 adapted to cooperate with a seat 27 in the valve body 10 and an integral mounting portion 22 moulded with the closure portion and connected to the latter in concentric but axially-offset relation by integral angularly-spaced bars which are curved or inclined in a circumferential direction and which, when the portion 22 is mounted in the body, normally maintain the closure portion in contact with the seat. The mounting portion is of T-shaped cross-section and is retained in the valve body by a ring 26 bonded thereto. As shown applied to an inflatable life raft, the valve body, of metal or hard plastics material, is clamped to the material 15 of the lift raft by a nut 16, a washer 19 and ribs 17 being provided to form a seal. Two identical valves may be used in a manually-operated pump to act as inlet and outlet valves.
GB3576759A 1959-10-22 1959-10-22 Improvements in or relating to non-return valves Expired GB897678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3576759A GB897678A (en) 1959-10-22 1959-10-22 Improvements in or relating to non-return valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3576759A GB897678A (en) 1959-10-22 1959-10-22 Improvements in or relating to non-return valves

Publications (1)

Publication Number Publication Date
GB897678A true GB897678A (en) 1962-05-30

Family

ID=10381355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3576759A Expired GB897678A (en) 1959-10-22 1959-10-22 Improvements in or relating to non-return valves

Country Status (1)

Country Link
GB (1) GB897678A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209485A (en) * 1977-05-03 1980-06-24 Greenspan Donald J Method of making a valve apparatus
GB2191271A (en) * 1986-05-23 1987-12-09 Halkey Roberts Corp Improvements in or relating to check valves

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209485A (en) * 1977-05-03 1980-06-24 Greenspan Donald J Method of making a valve apparatus
GB2191271A (en) * 1986-05-23 1987-12-09 Halkey Roberts Corp Improvements in or relating to check valves
GB2191271B (en) * 1986-05-23 1990-05-16 Halkey Roberts Corp Improvements in or relating to check valves

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