Title:
ねじ式管状接続
Document Type and Number:
Japanese Patent JP7261831
Kind Code:
B2
Abstract:
A tubular connection comprising a longitudinal axis, a pin member comprising a distal pin end, a tapered pin thread having a constant pin taper angle ± 1 with respect to the longitudinal axis, and a pin sealing surface located between the pin thread and the distal pin end, and a box member comprising a distal box end, a box sealing surface, and a tapered box thread having a constant box taper angle ² 1 with respect to the longitudinal axis and located between the box sealing surface and the distal box end, and wherein the pin thread is configured to cooperate by make up with the box thread along a cooperating area, while having a radial thread interference between the pin thread and the box thread along at least part of the cooperating area, the pin sealing surface and the box sealing surface are configured to contact each other upon make-up in a sealing manner while forming a metal to metal seal, and the pin taper angle ± 1 is larger than the box taper angle ² 1 .
Inventors:
Mutis Ruda, David
Application Number:
JP2021084450A
Publication Date:
April 20, 2023
Filing Date:
May 19, 2021
Export Citation:
Assignee:
Hydril Company
International Classes:
F16L15/04; F16L15/06
Domestic Patent References:
| JP60500457A | ||||
| JP2014530328A | ||||
| JP61006488A | ||||
| JP2008527256A | ||||
| JP7504483A | ||||
| JP5500842A |
Foreign References:
| US5330239 | ||||
| US5338074 | ||||
| US20140203556 |
Attorney, Agent or Firm:
Patent Attorney Corporation Odashima Patent Office