GB561724A - Check valve device - Google Patents

Check valve device

Info

Publication number
GB561724A
GB561724A GB228743A GB228743A GB561724A GB 561724 A GB561724 A GB 561724A GB 228743 A GB228743 A GB 228743A GB 228743 A GB228743 A GB 228743A GB 561724 A GB561724 A GB 561724A
Authority
GB
United Kingdom
Prior art keywords
check valve
valve device
langdon
thickened
feb
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
GB228743A
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.)
JESSE DYSON LANGDON
Original Assignee
JESSE DYSON LANGDON
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 JESSE DYSON LANGDON filed Critical JESSE DYSON LANGDON
Priority to GB228743A priority Critical patent/GB561724A/en
Publication of GB561724A publication Critical patent/GB561724A/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
    • F16K15/144—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)
  • Characterised By The Charging Evacuation (AREA)
  • Check Valves (AREA)

Abstract

561,724. Check valves. LANGDON, J. D. Feb. 11, 1943, No. 2287. A Specification was laid open to inspection under Sect. 91 of the Acts, July 29, 1943. [Class 135] A check valve consists of a flattened tube T, Figs. 1 and 2, thickened at RE, and with walls of less thickness at TP. A modified form is shown in Fig. 4.
GB228743A 1943-02-11 1943-02-11 Check valve device Expired GB561724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB228743A GB561724A (en) 1943-02-11 1943-02-11 Check valve device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB228743A GB561724A (en) 1943-02-11 1943-02-11 Check valve device

Publications (1)

Publication Number Publication Date
GB561724A true GB561724A (en) 1944-06-01

Family

ID=9736902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB228743A Expired GB561724A (en) 1943-02-11 1943-02-11 Check valve device

Country Status (1)

Country Link
GB (1) GB561724A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015652B (en) * 1951-09-10 1957-09-12 Francois Laurenty Pressure fluid operated valve with tubular closure piece
DE1500236B1 (en) * 1965-03-15 1971-03-11 Sloan Valve Co Rücksaugverhinderer for flush toilets or the like.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015652B (en) * 1951-09-10 1957-09-12 Francois Laurenty Pressure fluid operated valve with tubular closure piece
DE1500236B1 (en) * 1965-03-15 1971-03-11 Sloan Valve Co Rücksaugverhinderer for flush toilets or the like.

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