发明名称 COATING SYSTEM FOR TUBULAR GRIPPING COMPONENTS
摘要 A gripping tool includes a gripping element and at least one gripping surface formed on the gripping element. The at least one gripping surface includes a plurality of teeth extending from the gripping element an outer layer. A method to surface process a gripping surface of a gripping tool includes providing the gripping surface in an environment comprising a source of additive material and heating the gripping surface at a temperature and a time to diffuse the additive material a depth into the gripping surface to form a diffusion layer.
申请公布号 EP3004523(A4) 申请公布日期 2017.02.22
申请号 EP20140803885 申请日期 2014.05.30
申请人 Frank's International, LLC 发明人 DOMEC, Brennan, S.;ANGELLE, Jeremy, Richard
分类号 E21B19/02;B66C1/42;C23C8/00;C23C8/02;C23C8/80;E21B19/06 主分类号 E21B19/02
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