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.)
Toyo Gas Meter Co Ltd
Original Assignee
Toyo Gas Meter Co 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 Toyo Gas Meter Co LtdfiledCriticalToyo Gas Meter Co Ltd
Priority to JP4959484ApriorityCriticalpatent/JPS60196480A/ja
Publication of JPS60196480ApublicationCriticalpatent/JPS60196480A/ja
Publication of JPH039352B2publicationCriticalpatent/JPH039352B2/ja
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
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side