发明名称 PIPE THREAD PROTECTOR WITH AN INNER TAPERED GROOVE
摘要 A thread protector comprises a hollow cylindrical body with a substantially closed end and a threaded inner annular wall extending from the substantially closed end. An annular ring extends inwardly from the substantially closed end. The annular ring has a sloped wall which is spaced-apart from and faces the threaded inner annular wall.
申请公布号 CA2900109(A1) 申请公布日期 2016.02.11
申请号 CA20152900109 申请日期 2015.08.11
申请人 UNIVERSAL MOULDING CO. LTD. 发明人 DANNEFFEL, MAX;DANNEFFEL, JOHN
分类号 B65D59/00;B65D81/03;F16L57/00 主分类号 B65D59/00
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