Internal lining and sealing of hollow ducts

Details Internal lining and sealing of hollow ducts Internal lining and sealing of hollow ducts

1975-01-13

1981-06-16

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156287, 156294, 156295, 156423, 156578, B29C 1707

Patent

active

042736056

ABSTRACT:
Disclosed is a method of lining a pipeline with a flexible tube by progressively inflating the interior of a flattened tube placed within the pipeline while simultaneously evacuating the space between the flattened tube and the pipeline interior wall.

REFERENCES:
patent: 2312993 (1943-03-01), Stephens
patent: 2570259 (1951-10-01), McKinley
patent: 2608501 (1952-08-01), Kimble
patent: 2664373 (1953-12-01), Reilly
patent: 2794758 (1957-06-01), Harper et al.
patent: 3494813 (1970-02-01), Lawrence et al.
patent: 3513051 (1970-05-01), Lichfield
patent: 3743566 (1973-07-01), Louthan et al.

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