发明名称 Standup pressure testing device and method
摘要 A pressure testing device comprising a connector adapted to engage a gas line containing a gas supply under pressure is provided. The pressure testing device includes a measuring device and a compressible pump. The measuring device operably communicates with the connector and is responsive to variations in pressure of the gas supply. The compressible pump has an input port and an exhaust port. The input port is adapted to receive ambient gases and the exhaust port is adapted to communicate with the measuring device for delivering ambient gas pressure to the measuring device.
申请公布号 US6651486(B1) 申请公布日期 2003.11.25
申请号 US20000676790 申请日期 2000.09.29
申请人 BASIC RESOURCES, INC. 发明人 JOHNSON DANNY A.;SHELTON, JR. RICHARD E.
分类号 G01M3/28;(IPC1-7):G01M3/04 主分类号 G01M3/28
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