Press for the continuous production of chip-boards and fiber boa

Details Press for the continuous production of chip-boards and fiber boa Press for the continuous production of chip-boards and fiber boa

1989-01-13

1990-06-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

100153, 100170, 425367, 425375, B28B 312, B28B 502

Patent

active

049328557

ABSTRACT:
A press for the continuous production of thin chipboard and fibreboards a heated, rotatable central pressing drum, which is mounted in a support arrangement which includes a plurality of interconnected support members and a plurality of pressure rollers, disposed around a major portion of the periphery of the drum. An endless steel belt is guided around the major portion of the periphery of the drum between the drum and the pressure rollers. The belt carries the material from which the boards are to be produced and can be tensioned. The material, a chip or fibre layer mixed with a binding agent is subjected to a surface pressure between the endless steel belt and the pressing drum, and to a linear pressure in the nips between the pressing drum and the pressure rollers. The axle of the drum is made radially adjustable relative to the axles of the pressure rollers, by so doing, it is possible for the press to be put into operation in its empty state, without causing damage to the drum, to the endless steel belt or to the pressure rollers. This is true even if very thin chipboards or fibreboards are being produced.

REFERENCES:
patent: 2971218 (1961-02-01), Bierer
patent: 3782875 (1974-01-01), Olschewski
patent: 3936258 (1976-02-01), Lake
patent: 3938927 (1976-02-01), Brinkmann et al.
patent: 3973894 (1976-08-01), Lindner et al.
patent: 4501669 (1985-02-01), Hakansson et al.
patent: 4699050 (1987-10-01), Heise
patent: 4704191 (1987-11-01), Wedel
patent: 4796452 (1989-01-01), Schiel

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