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公开(公告)号:US20230341054A1
公开(公告)日:2023-10-26
申请号:US18342970
申请日:2023-06-28
CPC分类号: F16J15/18 , B21D22/286 , B21D51/26
摘要: A wiping unit for a reciprocating ram includes a subunit including: a ring-shaped wipe member including a lip to press an outer peripheral surface of the ram; and an elastic ring disposed on an outer circumference of the wipe member and configured to press the lip on the outer peripheral surface of the ram. The wipe member is made of rigid resin.