Method for remote lining of side connections

Details Method for remote lining of side connections Method for remote lining of side connections

1982-02-11

1984-02-28

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Repairing or restoring consumer used articles for reuse

156287, 156294, 264269, 264516, B29C 2716

Patent

active

044341156

ABSTRACT:
The method discloses the lining of a lateral connection to a pipeline. The method is by remotely inserting a unit in the pipeline and everting a flexible lining tube out of an outlet in the unit directly into the lateral connection. The lining may be a flexible lining which subsequently hardens to form a rigid pipe inside the connection. The eversion of the lining tube is by means of a fluid pressure differential.

REFERENCES:
patent: 4368091 (1983-01-01), Ontsuga et al.
patent: 4385885 (1983-05-01), Wood
patent: 4386628 (1983-06-01), Stanley

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