发明名称 PIPE FITTING APPARATUS
摘要 The present invention is an improvement in conventional street elbow pipe design that allows for the street elbow pipe to be easily installed, removed, maintained, adjusted and handled without damage to the street elbow pipe itself or injury to a person performing work on the street elbow pipe. The street elbow pipe includes male and female fitting portions and a nut section disposed around at least one of the male and female fitting portions with a graspable surface area formed on the nut section.
申请公布号 US2012074687(A1) 申请公布日期 2012.03.29
申请号 US20100888692 申请日期 2010.09.23
申请人 MITCHELL JAMES D. 发明人 MITCHELL JAMES D.
分类号 F16L43/00;B21D31/00 主分类号 F16L43/00
代理机构 代理人
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