发明名称 Plug For A Pipe Opening
摘要 Disclosed is a plug that includes a head and a tapered body extending from the head at a first end and terminating in a base at a second end. The tapered body tapers from a first relatively larger diameter near the first end to a second relatively smaller diameter near the base. The tapered body includes an exterior surface that includes annular frusto-conical ridges.
申请公布号 US2017030504(A1) 申请公布日期 2017.02.02
申请号 US201514812547 申请日期 2015.07.29
申请人 Robillard Joseph Leslie 发明人 Robillard Joseph Leslie
分类号 F16L55/11 主分类号 F16L55/11
代理机构 代理人
主权项 1. A plug comprising: a head; and a tapered body extending from the head at a first end and terminating in a base at a second end, the tapered body tapering from a first relatively larger diameter near the first end to a second relatively smaller diameter near the base, the tapered body comprising an exterior surface comprising annular frusto-conical ridges.
地址 Maple Grove MN US
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