Sheet type forming board and formed board products

Details Sheet type forming board and formed board products Sheet type forming board and formed board products

1980-06-30

1983-04-12

Dawson, Robert A.

Stock material or miscellaneous articles

Composite

Of quartz or glass

156 622, 156196, 156242, 162142, 162146, 1621811, 264109, 264112, 264119, 428441, 428454, 428511, 428535, 428537, B32B 2300, B32B 2902

Patent

active

043798080

ABSTRACT:
A sheet type forming board for use in heat forming processes without the need for pre-soaking or pre-steaming required of prior hardboard materials. The forming board sheet has at least one layer containing cellulose fibers, a polyolefin, and an inorganic filler. Its moisture content is preferably 4-12%. A multi-layered sheet, wherein plys are joined together, is typically used to achieve the desired thickness and composite sheet composition. The formed products are light weight and have a number of desirable advantages, including rigidity, embossing and graining fidelity, and dielectric processability.

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patent: 4156628 (1979-05-01), Rave
patent: 4162180 (1979-07-01), Burton et al.
patent: 4210692 (1980-07-01), Bohme et al.
patent: 4245689 (1981-01-01), Grard et al.
patent: 4325899 (1982-04-01), Cole et al.

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