Improved cement and polyolefin lined product

Details Improved cement and polyolefin lined product Improved cement and polyolefin lined product

1991-04-22

1993-12-21

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 3691, 428 359, 428 358, 428703, 428327, 428329, 428 347, 138140, 138141, 138146, 138175, 138DIG7, F16L 9133

Patent

active

052719740

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: 2816323 (1957-12-01), Munger
patent: 3682676 (1972-08-01), Karrh et al.
patent: 3861944 (1975-01-01), Steinberg et al.
patent: 4319610 (1982-03-01), Eckner
patent: 4670315 (1987-06-01), Hillemeier et al.

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