Process of making contoured vehicle internal panelling supports

Details Process of making contoured vehicle internal panelling supports Process of making contoured vehicle internal panelling supports

1990-12-11

1992-09-29

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

162192, 162224, 162226, 219 1041, 264 86, 264119, 264123, 264126, B29C 3512

Patent

active

051512262

ABSTRACT:
The invention relates to a process for the production of contoured vehicle internal panelling supports having surfaces smooth on both sides on the basis of wood fibers by depositing an aqueous suspension of wood fiber (pulp) on a preforming screen, drying the preform, pressing and hardening. A deposited layer of fibers is dewatered to a residual water content of 20 to 25% by mass, related to the original quality of suspension, dried in an electric alternating field, then compression molded in a tool without a screen and hardened.

REFERENCES:
patent: 3533906 (1970-10-01), Reiniger
patent: 4111744 (1978-09-01), Reiniger
patent: 4216179 (1980-08-01), Lamberts et al.
Trocknungstechnik, Zweiter Band, K. Kroll, Trockner und Trocknungsverfahren, 1978, pp. 406-422.
Taschenbuch der Spanplatten technik, Hans-Joachim Deppe et al., 2. uberarbeitete und erweiterte Auflage, 1977, p. 252.

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