Title:
A METHOD AND A DEVICE FOR SEALING BETWEEN ATTACHABLE PAIR OF PIPE FLANGES
Document Type and Number:
WIPO Patent Application WO/2017/126973
Kind Code:
A8
Abstract:
A method and a device for sealing between pair of pipe flanges (1, 2; 25, 26). At least one flange (1; 2; 26) is has a face with a circular groove (6; 7; 27) to at least partly receive a sealing ring (9; 21) which has its ring wall rectilinear as seen in a cross-section when front faces of the pipe flanges are spaced apart. A bottom (13; 14; 28) of the groove (6; 7; 27) exhibits a first transition (15; 16; 29) between the bottom and a radially located inner wall of the groove, and a second transition (17; 18; 30) between the bottom and a radially located outer wall of the groove. The ring (9; 21) in side view exhibits a shape like a truncated cone. The pipe flanges (1, 2; 25, 26) are attached to each other to yield that the flanges (1,2; 25, 26) in operative state are forcibly held in an abutting and facial engagement, and upon tensioning of tensioning means (3, 4) to create said operative state, compressive forces act onto the sealing ring (9; 21) to yield that its wall, as viewed in cross-section, is bent radially to exhibit a curved configuration.
Inventors:
KAROLIUSSEN HILBERG INGE (NO)
Application Number:
PCT/NO2017/000003
Publication Date:
July 05, 2018
Filing Date:
January 17, 2017
Export Citation:
Assignee:
OTECHOS AS (NO)
International Classes:
F16J15/08; F16L23/18
Attorney, Agent or Firm:
TANDBERGS PATENTKONTOR AS (NO)
Download PDF:
Previous Patent: MEANS CONCERNING HOOK
Next Patent: METHOD AND APPARATUS FOR AUTOMATED PRESSURE INTEGRITY TESTING (APIT)
Next Patent: METHOD AND APPARATUS FOR AUTOMATED PRESSURE INTEGRITY TESTING (APIT)