发明名称 |
JOINT FILETE TUBULAIRE ETANCHE AUX LIQUIDES ET AUX GAZ |
摘要 |
A liquid and gas tight threaded tubular connection includes a first axial abutment surface formed at the free end of an annular lip of a threaded male element and a second axial abutment surface formed at the end of a housing of a threaded female element. The first and second axial abutment surfaces have the same axial half-sections, the inclination of which varies progressively in the radial direction. |
申请公布号 |
FR2889727(B1) |
申请公布日期 |
2007.09.28 |
申请号 |
FR20050008456 |
申请日期 |
2005.08.09 |
申请人 |
VALLOUREC MANNESMANN OIL GAS FRANCE SOCIETE PAR ACTIONS SIMPLIFIEE;SUMITOMO METAL INDUSTRIES, LTD |
发明人 |
CHARVET QUEMIN JEAN FRANCOIS;EMERY JEAN PIERRE;HAMAMOTO TAKAHIRO;SUGINO MASAAKI |
分类号 |
F16L15/04;E21B17/042 |
主分类号 |
F16L15/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|