Title:
クロスラインの栓止めシステム及び係止栓
Document Type and Number:
Japanese Patent JP2008545926
Kind Code:
A
Abstract:
A plug for closing an opening in the sidewall of a pipe, including a base member having a radial flange portion, a tubular portion and an annular elastomeric seal member slideably received on the base member tubular portion and in engagement with the flange portion. A rigid compression member is slideably received on the base member tubular portion and in contact with the elastomeric member and has a frusto-conical circumferential surface. A plurality of rigid segmented slips are received on the compression member and have teeth for biting into the cylindrical sidewall when displaced on the frusto-conical surface. An actuation member is received on the base member tubular portion providing a surface in engagement with the segmented slips. A tightening nut can be tightened to cause the segmented slips to lock the plug in position and to sealably close the pipe cylindrical sidewall.
Inventors:
Maurice, Philip Kay
Freeman, Eric N
Morgan, Mark A
Tony Earl, Garrison
Freeman, Eric N
Morgan, Mark A
Tony Earl, Garrison
Application Number:
JP2008512538A
Publication Date:
December 18, 2008
Filing Date:
May 18, 2006
Export Citation:
Assignee:
TDW Delaware Inc
International Classes:
F16L55/00; F16L55/26
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kiyotaka Totsuka
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kiyotaka Totsuka