Pipe liner laminate and method of making a pipe with said liner

Details Pipe liner laminate and method of making a pipe with said liner Pipe liner laminate and method of making a pipe with said liner

1976-05-24

1978-03-28

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138129, 138137, 138141, 138145, 156195, 428 36, B32B 108, B31C 1300

Patent

active

040813037

ABSTRACT:
A piper liner laminate and method of making a pipe including this liner are disclosed herein. The liner comprises a central layer preferably of either polyethylene or polypropylene sandwiched between first and second layers of fibrous material, for example polyester mat, which are laminated together preferably by a mechanical bond. Constructed in this manner, the liner, which is especially suitable for sewer pipe, provides a reliable barrier preventing corrosive chemicals from penetrating therethrough and into the wall of the pipe.

REFERENCES:
patent: 2783173 (1957-02-01), Walker et al.
patent: 3033238 (1962-05-01), Kosewicz
patent: 3205913 (1965-09-01), Ehlers
patent: 3483896 (1969-12-01), Grosh
patent: 3501359 (1970-03-01), Gillespie et al.
patent: 3886017 (1975-05-01), Brugh et al.
patent: 3939873 (1976-02-01), Rinker et al.

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