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.)
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.)
FREDERICK THOMAS HACK
WILLIAM A HERVITT
Original Assignee
FREDERICK THOMAS HACK
WILLIAM A HERVITT
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 FREDERICK THOMAS HACK, WILLIAM A HERVITTfiledCriticalFREDERICK THOMAS HACK
Application grantedgrantedCritical
Publication of FR509832ApublicationCriticalpatent/FR509832A/en
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
F16K35/00—Means to prevent accidental or unauthorised actuation
F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR509832D1920-02-121920-02-12
Lockable valve, for automotive fuel tanks and other applications
ExpiredFR509832A
(en)