发明名称 Pipe connection
摘要 <p>The connection has a bushing element (1) including an inner thread (2), and a bolt element (4) including a dropping outer thread (6), where a peak surface of the outer thread includes a profile surface in a thread section (8). The connection has a contact ratio in a screwed condition in the thread section. The profile surface is in contact with a complementarily designed profile section of a thread base surface of the inner thread, and a clearance is provided between a peak surface of the inner thread and a thread base surface of the outer thread in the contact ratio.</p>
申请公布号 EP2420646(A1) 申请公布日期 2012.02.22
申请号 EP20100172926 申请日期 2010.08.16
申请人 TPS-TECHNITUBE ROEHRENWERKE GMBH 发明人 NORTA, WINFRIED
分类号 E21B17/042;F16L15/04 主分类号 E21B17/042
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