Centrifugally cast pipe

Details Centrifugally cast pipe Centrifugally cast pipe

1991-04-03

1993-11-30

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 369, 428 361, 428409, 264 83, 264311, 138174, 138DIG7, B29C 4104, F16L 912

Patent

active

052663701

ABSTRACT:
A centrifugally cast plastic pipe comprised of a polymer derived from monomers polymerized in bulk is provided. A pressurized cylindrical mold provides smooth inner and outer surfaces. Pipes with a wall thickness of from 1/8 inch to 3 inches and an outer diameter of 1 inch to 12 feet are provided.

REFERENCES:
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patent: 4380617 (1983-04-01), Minchak et al.
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patent: 4705660 (1987-11-01), DeMarle
patent: 4918146 (1990-04-01), Matlack
patent: 4988549 (1991-01-01), Meyer et al.
Robert Burns, "Getting Started in DCPD RIM Molding," Plastics Technology, vol. 35, No. 3, Mar. 1989, pp. 62-69.
R. Juran (ed.), Modern Plastics Encyclopedia, Mid-Oct. 1989 Issue, vol. 66, No. 11, McGraw-Hill, pp. 892-893, 901.

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