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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BOULARD JEAN
Original Assignee
BOULARD JEAN
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Filing date
Publication date
Application filed by BOULARD JEANfiledCriticalBOULARD JEAN
Priority to FR7423075ApriorityCriticalpatent/FR2277292A1/fr
Publication of FR2277292A1publicationCriticalpatent/FR2277292A1/fr
Application grantedgrantedCritical
Publication of FR2277292B1publicationCriticalpatent/FR2277292B1/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
F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Control Of Non-Electrical Variables
(AREA)
Safety Valves
(AREA)
FR7423075A1974-07-031974-07-03Clapet automatique d'autorisation a selection densimetrique et a fonctions antiretour et antidebordement
GrantedFR2277292A1
(fr)
