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Title:
PRESSURE-RESISTANT SYSTEM FOR JOINTING CONCRETE PIPES IN END-TO-END RELATION
Document Type and Number:
Japanese Patent JPH0231096
Kind Code:
A
Abstract:

PURPOSE: To provide a pipe seal which can be adapted regardless if a lining exists or not by respectively installing plural circumferential flanges to a bell end seal ring on a bell end part surface, and a spigot end part seal ring on a spigot end part surface.

CONSTITUTION: A spigot end part seal 12 includes an interface surface 14 extended lengthwise to become a 90° flange at an upper part where it surrounds the mouth of a spigot 18, and a flap 20 ending at an outer end edge 22 of a spigot 24. A bell end part seal 10 comprises a seal interface surface 26 extended lengthwise, and one end part of it is extended to an inner flange 28 of 90°, while the other end part is extended to a flange 30 of 90°. In the spigot end part seal 12, a recessed dent 32 is formed to receive an O-ring 13.


Inventors:
KENESU DABURIYU ANDAASON
Application Number:
JP12772989A
Publication Date:
February 01, 1990
Filing Date:
May 19, 1989
Export Citation:
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Assignee:
ANDERSON SEAL CO INC
International Classes:
F16L21/02; F16L21/035; (IPC1-7): F16L21/02
Attorney, Agent or Firm:
Fukami Hisaro (2 outside)



 
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