发明名称 |
ELEMENTO ROSQUEADO DE UM COMPONENTE DOTADO DE PORÇÕES ROSQUEADAS OPOSTAS E CONEXÃO ROSQUEADA TUBULAR CORRESPONDENTE |
摘要 |
A threaded element of a component includes at least first and second threading portions each including threads each including a stabbing flank and a loading flank. The stabbing flanks and loading flanks of the threads of the first threading portion and the threads of the second threading portion are inclined in an opposed manner with respect to the radial direction. |
申请公布号 |
BRPI0812969(A2) |
申请公布日期 |
2014.12.16 |
申请号 |
BR2008PI12969 |
申请日期 |
2008.06.10 |
申请人 |
VALLOUREC MANNESMANN OIL & GAS FRANCE;SUMITOMO METAL INDUSTRIES, LTD. |
发明人 |
LAURENT GILLOT;ERIC VERGER;OLIVIER TARTAR |
分类号 |
E21B17/042;F16L15/06 |
主分类号 |
E21B17/042 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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