Pipes and tubular conduits – Distinct layers – Coated
Patent
1992-01-15
1993-05-04
Bryant, III, James E.
Pipes and tubular conduits
Distinct layers
Coated
138143, 138DIG3, 138DIG6, 138DIG7, F16L 916
Patent
active
052072487
ABSTRACT:
In a pipe coated with a resin layer on the inner surface thereof and a method for manufacturing the same, resin mixture including thermal melting fluoro resin and fluorine elastomer is applied to the inner surface of a pipe member. The resin mixture is thermally treated on the inner surface of the pipe member to be of a mesh like pattern so that a resin layer of a predetermined stripping strength is obtained thereon.
REFERENCES:
patent: 2538808 (1951-01-01), Swiss
patent: 2539329 (1951-01-01), Sanders
patent: 2686738 (1954-08-01), Teeters
patent: 2705691 (1955-04-01), Panagrossi et al.
patent: 2724672 (1955-11-01), Rubin
patent: 2736680 (1956-02-01), Kidwell
patent: 2773781 (1956-12-01), Rodman
patent: 3913625 (1975-10-01), Gazda et al.
patent: 4038231 (1977-07-01), Downer et al.
patent: 4330017 (1982-05-01), Satoh et al.
Abe Hajime
Hagiwara Noboru
Nishiyama Shinichi
Seki Kuniaki
Bryant III James E.
Hitachi Cable Ltd.
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