Short dwell coater apparatus with backing blanket disposed betwe

Details Short dwell coater apparatus with backing blanket disposed betwe Short dwell coater apparatus with backing blanket disposed betwe

1989-03-28

1990-10-09

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

118410, B05D 312

Patent

active

049619683

ABSTRACT:
A coater apparatus is disclosed for applying a primary flow of coating material to a moving web of paper. The apparatus includes a frame and a first and a second guide roll rotatably supported by the frame. The first and second guide rolls rotate respectively around first and second rotational axes. The second axis of rotation is disposed spaced and parallel relative to the first axis. A backing blanket extends around and is guided by the guide rolls. The blanket defines an endless loop around the guide rolls such that the web of paper is supported by the blanket during movement of the web from the first guide roll to the second guide roll. The blanket is disposed between the web and the guide rolls. A short dwell coater is disposed adjacent to the web and between the guide rolls for applying the primary flow of coating material to the web. While the web supported by the blanket is moving between the guide rolls, the web is moving in a plane disposed tangentially relative to the guide rolls such that secondary flows within the coater are inhibited.

REFERENCES:
patent: 3792682 (1974-02-01), Phipps
patent: 4761309 (1988-08-01), Emeby
Derwent's Abstract No. 96788 E/45, SU 895,536, Publ. Week 8245.

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