Lining of passageways

Details Lining of passageways Lining of passageways

1993-07-06

1995-04-25

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138 97, 156294, 264269, 264573, 427236, 427238, B29C 6336, B29C 6348

Patent

active

054095611

ABSTRACT:
An underground pipeline or passageway is lined by having a plastics film pre-liner tube applied thereto by inflation, and the tube whilst inflated has an applicator pulled therethrough from which a fluent curable or hardenable composition issues and is applied directly to the inside of the inflated tube to form a layer which cures or hardens to form a lining. Preferably a second tube is applied to the inside of the composition layer to hold it in position whilst it cures or hardens.

REFERENCES:
patent: 2513289 (1950-07-01), Crom
patent: 3087515 (1963-04-01), Venable et al.
patent: 3960644 (1976-06-01), McFadden
patent: 4064211 (1977-12-01), Wood
patent: 4401696 (1983-08-01), Wood
patent: 4764237 (1988-08-01), Shishkin et al.
patent: 4810453 (1989-03-01), Clarke et al.

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