GB1521225A - Non-return valve - Google Patents

Non-return valve

Info

Publication number
GB1521225A
GB1521225A GB3255376A GB3255376A GB1521225A GB 1521225 A GB1521225 A GB 1521225A GB 3255376 A GB3255376 A GB 3255376A GB 3255376 A GB3255376 A GB 3255376A GB 1521225 A GB1521225 A GB 1521225A
Authority
GB
United Kingdom
Prior art keywords
return valve
return
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.)
Expired
Application number
GB3255376A
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.)
Simon Hartley Ltd
Original Assignee
Simon Hartley 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 Simon Hartley Ltd filed Critical Simon Hartley Ltd
Priority to GB3255376A priority Critical patent/GB1521225A/en
Publication of GB1521225A publication Critical patent/GB1521225A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/76—Large containers for use underground
    • 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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
    • F16K15/023—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB3255376A 1977-05-25 1977-05-25 Non-return valve Expired GB1521225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3255376A GB1521225A (en) 1977-05-25 1977-05-25 Non-return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3255376A GB1521225A (en) 1977-05-25 1977-05-25 Non-return valve

Publications (1)

Publication Number Publication Date
GB1521225A true GB1521225A (en) 1978-08-16

Family

ID=10340407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3255376A Expired GB1521225A (en) 1977-05-25 1977-05-25 Non-return valve

Country Status (1)

Country Link
GB (1) GB1521225A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2919037A1 (en) * 2007-07-20 2009-01-23 Norham Sarl Safety valve for e.g. swimming pool, has plate comprising central part projected from base and connected to base by lateral wall perpendicular to base, where orifices are formed between opposite surfaces of lateral wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2919037A1 (en) * 2007-07-20 2009-01-23 Norham Sarl Safety valve for e.g. swimming pool, has plate comprising central part projected from base and connected to base by lateral wall perpendicular to base, where orifices are formed between opposite surfaces of lateral wall

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930525