Roll arrangement for non-deforming treatment of moving web-type

Details Roll arrangement for non-deforming treatment of moving web-type Roll arrangement for non-deforming treatment of moving web-type

1989-03-16

1991-06-04

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

4274344, 118117, 72247, B05D 312

Patent

active

050212656

ABSTRACT:
A roll arrangement for the non-deforming treatment of moving web-type or strip-type products. The arrangement includes at least two rotatable rolls which are adjustable radially relative to each other. The arrangement is used, for example, for drying one or both surfaces of the product. The rolls are axially adjustable in opposite direction and each roll has slightly S-shaped or bottle-shaped contour over the entire length of the roll body, in such a way that the contours of two rolls arranged on both sides of a roll gap complement each other only in a certain relative axial position of these rolls. In other axial positions of the rolls, the roll gap becomes narrower either in the center or at the ends of the rolls, so that a uniform pressing action or other uniform non-deforming treatment of the product is possible over the entire width of the product independently of the bending of the rolls and/or deviations from the plane-parallelism of the surfaces of the product.

REFERENCES:
patent: 3083120 (1963-03-01), Paterson
patent: 3149004 (1964-09-01), Fleissner
patent: 3726338 (1973-04-01), Sorenson
patent: 4400957 (1983-08-01), Carlstedt et al.
patent: 4440012 (1984-04-01), Feldmann et al.
patent: 4519233 (1985-05-01), Feldmann et al.
patent: 4543810 (1985-10-01), Stoy et al.
patent: 4706601 (1987-11-01), Jahn

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