发明名称 Anti theft valve locking device
摘要 An anti theft locking device is provided and consists of a casing having a longitudinal passage therethrough and a transverse tapered bore intersecting the passage, tapered plug having an aperture with a top square head portion on the larger end of the plug, the plug fitted for rotation in the tapered bore to control the passage and a locking cover for preventing rotation of the top square head portion of the plug.
申请公布号 US4377178(A) 申请公布日期 1983.03.22
申请号 US19820348216 申请日期 1982.02.12
申请人 THOMPSON, HAROLD 发明人 THOMPSON, HAROLD
分类号 F16K35/06;(IPC1-7):F16K35/00 主分类号 F16K35/06
代理机构 代理人
主权项
地址