Internal wrapping method and apparatus

Details Internal wrapping method and apparatus Internal wrapping method and apparatus

1981-11-12

1983-11-15

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156195, 156391, 156392, 156428, B65H 8100

Patent

active

044153902

ABSTRACT:
A method and apparatus for internally wrapping the surface of a conduit, cylinder or pipeline with a sealing membrane which is adhered to the interior surface. The apparatus applies the membrane in a helical spiral by taking the membrane from a roll and pressing it against the interior surface while applying an adhesive and while transporting the roll longitudinally in the conduit on a transport assembly that rolls internally in the conduit.

REFERENCES:
patent: 2133013 (1938-10-01), Boylan et al.
patent: 2516242 (1950-07-01), Munger
patent: 3126306 (1964-03-01), Sherman
patent: 3232812 (1966-02-01), Loventy et al.
"Welding Plastic Tube Lining", PTC Published Application, 1/8/81, PCT/US80/00767, Zimmerman.

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