Heat form pressed product and a method of heat form pressing

Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material

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264112, 264113, 264119, 428174, 428215, 428219, 428220, 428249, 428326, 428342, 428372, 428534, 428535, 4285371, 4285375, 4289044, B32B 300, D04H 116

Patent

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048449687

ABSTRACT:
A thin, plate-shaped object, especially a door skin, and a method of manufacturing such object, comprising a resin impregnated outer layer arranged directly onto a layer of a binder impregnated wood fine chips layer acting as a forming support for the fibre sheet material.
A layer of coarse wood chips acts as a reinforcing and handling characteristics defining layer for the relatively large (some m.sup.2) and relatively thin (2 to 5 millimeteres) door skin.

REFERENCES:
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patent: 3846219 (1974-11-01), Kunz
patent: 4221751 (1980-09-01), Haataja et al.
patent: 4277428 (1981-07-01), Luck et al.
patent: 4307883 (1981-12-01), Kelly
patent: 4610900 (1986-09-01), Nishibori
patent: 4622190 (1986-11-01), Schultz
patent: 4629594 (1986-12-01), Munk
patent: 4675138 (1987-06-01), Bach et al.

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