Pipes and tubular conduits – Distinct layers – Bonded to each other
Patent
1989-06-12
1990-12-11
Bryant, III, James E.
Pipes and tubular conduits
Distinct layers
Bonded to each other
138 98, 405150, 428300, F16L 914, F16L 5518
Patent
active
049762907
ABSTRACT:
A tubular member having a liner adhesively affixed to an inner surface thereof. The liner comprises a porous material formed from a plurality of needle-punched unwoven fibers so as to have a pair of oppositely facing surfaces. The liner also includes a first mat of finespun woven filaments of glass defining an inner surface thereof and a second mat of finespun woven filaments of glass defining an outer surface thereof. The inner and outer surfaces of the liner, formed by the first and second mats, are generally coextensive with the porous material. The liner also includes the first mat being secured to an inwardly facing surface of the porous material and the second mat being secured to an outwardly facing surface of the porous material. The liner is adhesively impregnated so as to adhesively bond the outer surface of the liner to the inner surface of the tubular member. Further, a method of lining a tubular member by adhesively bonding a liner to the tubular member is disclosed.
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Blackmore Richard D.
Gelin Robert J.
Bryant III James E.
Graham Gary
Ozite Corporation
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