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.)
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Gresham & Craven Ltd
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Gresham & Craven Ltd
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Publication date
Application filed by Gresham & Craven LtdfiledCriticalGresham & Craven Ltd
Application grantedgrantedCritical
Publication of FR825879ApublicationCriticalpatent/FR825879A/fr
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
F16K15/06—Check valves with guided rigid valve members with guided stems
F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR825879D1937-08-241937-08-24Perfectionnements aux clapets de retenue pour systèmes à vide
ExpiredFR825879A
(fr)