Title:
加圧可能なシールを有するねじ接合部
Document Type and Number:
Japanese Patent JP2010532843
Kind Code:
A
Abstract:
A threaded joint comprises one or a pair of seal rings (11, 11') having a frustoconical section with one or more annular ribs (9) protruding from its internal surface, and located in a portion of the pin surface after the end of the threaded section of the pin (3) in tight sealing contact with an internal surface of an annular groove (10) of the box (2) by means of its external cylindrical surface (25) and in tight sealing contact with an external surface of the pin (3) by means of its annular ribs (9). The threaded joint has hydraulic actuating means to pressurize the seal ring (11) against said pin, to provide improved sealability of the joint.
Inventors:
Santei, Nestor Jei
Matsutuafero, Gaston
Kiroga, Alfredo
Matsutuafero, Gaston
Kiroga, Alfredo
Application Number:
JP2010513901A
Publication Date:
October 14, 2010
Filing Date:
June 25, 2008
Export Citation:
Assignee:
Tenaris Connections Actien Gezershyaft
International Classes:
F16L15/04; F16B7/18; F16B33/02; F16J15/06
Domestic Patent References:
| JP2006509167A | 2006-03-16 | |||
| JP2005522653A | 2005-07-28 | |||
| JPH0388081U | 1991-09-09 | |||
| JP2006509167A | 2006-03-16 |
Foreign References:
| US20070039149A1 | 2007-02-22 | |||
| US6173968B1 | 2001-01-16 | |||
| EP0340385A2 | 1989-11-08 | |||
| WO2003087646A1 | 2003-10-23 | |||
| US2631871A | 1953-03-17 | |||
| WO2002086369A1 | 2002-10-31 | |||
| US20070039149A1 | 2007-02-22 | |||
| US6173968B1 | 2001-01-16 | |||
| EP0340385A2 | 1989-11-08 | |||
| WO2003087646A1 | 2003-10-23 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office