Method for the continuous production of chip, fiber-and similar

Details Method for the continuous production of chip, fiber-and similar Method for the continuous production of chip, fiber-and similar

1988-06-03

1990-08-07

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Plural, intermittent pressure applying

264109, 425373, B29C 4348

Patent

active

049466356

ABSTRACT:
A method for the continuous production of chip board in which a mixture of cellulose chips and resin binder is compressed against a heated rotating drum by a steel band. A first pressure of 250-325 kilopond per centimeter (1 kp=1 kgf) is applied to the mixture at a first position on the heated drum. A second pressure of 400-475 kp/cm is applied at a second position to compress the mixture to the final thickness as the binder hardens and binds the chips.

REFERENCES:
patent: 3734669 (1973-05-01), Ettel
patent: 3737351 (1973-06-01), Ettel
patent: 3782875 (1974-01-01), Olschewski
patent: 3874962 (1975-04-01), Gersbeck
patent: 4097640 (1978-06-01), Curry
Einheiten und Grossenarten Der Naterwissenschafter; 1964, p. 189.
Tables of Physical and Chemical Constants; Longman, p. 9.

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