Method of applying a polyolefin coating to pipe

Details Method of applying a polyolefin coating to pipe Method of applying a polyolefin coating to pipe

1990-04-30

1991-08-06

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264 69, 264113, 264133, 264270, 264311, 264333, 264DIG57, B28B 108, B28B 116, B28B 120, C04B 4181

Patent

active

050376004

ABSTRACT:
Iron pipe and other hollow articles are lined with a cementitious mortar containing a quantity of polymer particles and the pipe is rotated about its axis so as to stratify the mortar and develop a polymer rich inner surface that is subsequently cured, dried and heated to the polymer fusion temperature and then coated with a continuous layer of pure polymer.

REFERENCES:
patent: 2120309 (1938-06-01), Carson
patent: 2887728 (1959-05-01), Usab
patent: 3437548 (1969-04-01), Ayers
patent: 3882215 (1975-05-01), Dyke et al.
patent: 4001370 (1977-01-01), Baker et al.
patent: 4217948 (1980-08-01), Merzhanov et al.
patent: 4314957 (1982-02-01), Ozawa

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