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Patent Searching and Data


Title:
CONNECTING METHOD OF PROPULSIVE PIPE TO MANHOLE
Document Type and Number:
Japanese Patent JPH11286955
Kind Code:
A
Abstract:

To provide a pipe jacking method manhole joint and its connecting method capable of connecting a propulsive pipe to a manhole in jacking method even when the distance between a pit inner wall and the manhole outer wall is narrow, compared with a conventional connecting method.

This connecting method of a propulsive pipe 11 to a manhole 13 comprises connecting the end part 111 of the propulsive pipe 11 laid by pipe jacking method and protruded into a starting pit or arriving pit 12 to the manhole 13 arranged in the pit 12. A manhole joint 14 is inserted to the through-hole 132 of the manhole and fixed, an adjustable short pipe 17 is inserted to the manhole joint 14 from the inside through a rubber ring 16, and its tip is connected to the end part 111 of the propulsive pipe 11.


Inventors:
IMAGAWA AKIRA
Application Number:
JP9194398A
Publication Date:
October 19, 1999
Filing Date:
April 03, 1998
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
E02D29/12; E21D9/06; (IPC1-7): E02D29/12; E21D9/06