发明名称 Bevel end protector
摘要 A bevel end protector for protecting the bevel end of a pipe includes an expansible portion inserted into the pipe. The protector is provided with a portion which can be expanded outwardly to secure the protector within the pipe by application of a force thereto using a removable cooperating element.
申请公布号 US4630646(A) 申请公布日期 1986.12.23
申请号 US19850790274 申请日期 1985.10.22
申请人 BERG STEEL PIPE CORP. 发明人 KOEHLE, SIEGFRIED E.
分类号 B65D59/02;(IPC1-7):F16L55/10 主分类号 B65D59/02
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