Process for the manufacture of articles of water-hardening mater

Details Process for the manufacture of articles of water-hardening mater Process for the manufacture of articles of water-hardening mater

1978-12-19

1980-12-30

Dixon, Jr., William R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156 42, 156276, 264136, 264146, 264257, 264258, 264333, 264DIG47, 428255, 428288, 428910, B32B 700, B32B 318, B28B 1116, B29H 902

Patent

active

042424070

ABSTRACT:
An improved process for the manufacture of shaped articles from water-hardening materials reinforced with multiple layers of a fibrillated organic film. A plurality of networks are formed from fibrillated organic films and are simultaneously advanced into contact with a water-hardening material to form a composite layer of the networks impregnated with the water-hardening material. This layer is thereafter formed into the desired configuration for the shaped article, and allowed to set. The average number of meshes within the networks with a minimum of two per square centimeter and the number of networks within the layer are such that the average number of meshes per cubic centimeter of the final shaped article is at least 100.

REFERENCES:
patent: 3611699 (1971-12-01), Winninger et al.
patent: 3944698 (1976-03-01), Dierks et al.
patent: 4065597 (1977-12-01), Gillespie
patent: 4102338 (1978-07-01), Parker
patent: 4107051 (1978-08-01), Lorentzen
patent: 4168924 (1979-09-01), Draper et al.

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