发明名称 PROTECTIVE END CAP FOR EXTERNAL PIPE THREADS
摘要 <p>A PROTECTIVE END CAP FOR EXTERNAL PIPE THREADS An external pipe thread protective end cap is provided comprising an outer sleeve and an inner tubular plastic core locked thereto. The core has threads on its inner periphery threadingly engageable with the pipe threads when the protective end cap is screwed thereon. The sleeve and core have mating curved outer end portions which overlap and engage the end surface of the pipe when the protective end cap is threaded onto the pipe. The curved outer end portion of the core preferably has a metal insert associated therewith, and a closure member with tear-away flaps.</p>
申请公布号 CA1176582(A) 申请公布日期 1984.10.23
申请号 CA19820396536 申请日期 1982.02.18
申请人 PENNSYLVANIA PLASTIC PRODUCTS, INC. 发明人 SMILEY, KENNETH A.
分类号 B65D59/06;(IPC1-7):F16L57/00 主分类号 B65D59/06
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