Method for linking segments and linking tool

Details Method for linking segments and linking tool Method for linking segments and linking tool

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/162 (2006.01) F16L 55/164 (2006.01) F16L 55/18 (2006.01)

Patent

CA 2681488

A linking tool links segments for a rehabilitating pipe for rehabilitating an existing pipeline. The segment is integrally formed at least from an internal surface plate that constitutes the inner circumferential surface of the rehabilitating pipe, and side plates that have an insertion hole formed thereon and are disposed on both sides of the internal surface plate so as to extend in the circumferential direction of the rehabilitating pipe. The linking tool includes a tubular linking pin that is separable into pin halves and can be inserted into the insertion hole in the side plate of a first segment with a part of the linking pin remaining outside the first segment. The linking tool further includes a separating pin that can be inserted into the linking pin to separate the linking pin into the pin halves and press them against the first segment for anchoring thereto. The pin halves remaining outside the first segment are snap-fitted into a second segment through the insertion hole of the side plate thereof, thereby linking the first and second segments in the longitudinal direction of the rehabilitating pipe. Such a linking tool allows the segments to be efficiently linked in a short period of time

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