Production of thermoformable components

Details Production of thermoformable components Production of thermoformable components

1997-05-21

1999-03-30

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Removal of liquid component or carrier through porous mold...

264122, B27N 102

Patent

active

058884351

ABSTRACT:
The invention relates to a method for producing plate-shaped or contoured components from an aqueous suspension containing 20 to 50% by weight of natural fibers, up to 4% by weight of a fixing agent and as the remainder of the suspension, thermoplastic material comprising a powder or fiber-like materials or a combination thereof. The components are made by a process comprising the steps of depositing the suspension on a screen, drying, heating and shaping the component under pressure.

REFERENCES:
patent: 2375245 (1945-05-01), Pretzel
patent: 4591412 (1986-05-01), Hechler
patent: 4929308 (1990-05-01), Gerault et al.
patent: 5151226 (1992-09-01), Anton et al.
patent: 5480602 (1996-01-01), Nagaich
patent: 5554330 (1996-09-01), Flannery et al.
European Patent Office Search Report (26 Feb. 1998) for foreign counterpart application EP 97 10 3169.
Opderbeck, F., et al., Das Papier 22 Uber die Herstellung nicht-gewebter Faserflachenprodukte, pp. 679-696 (1968).

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