Shoe press belt and manufacturing method therefor

Details Shoe press belt and manufacturing method therefor Shoe press belt and manufacturing method therefor

1998-06-15

1999-10-19

Raimund, Christopher

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162901, 427171, 427177, D21F 302, B05D 312

Patent

active

059683180

ABSTRACT:
A shoe press belt for the shoe press of a paper making machine includes first and second resin layers and a base layer. Resin is coated and cured on the polished surface of a cylindrical mandrel to form the first resin layer endlessly. An inner layer of the base layer is formed by spirally winding a relatively narrower belt shaped mesh with warp threads running in the major direction of the belt and weft threads running perpendicular thereto, with the weft threads against the outer surface of the first resin layer, and without overlapping the end edges of the belt-shaped mesh. An outer layer of the base layer is formed by inserting the mandrel, with the first resin layer and the belt-shaped mesh layer applied, into a tubular mesh, and pulling the ends of the tubular mesh apart, so as to reduce its diameter and press it radially against the belt-shaped mesh layer. A second resin layer is then applied over the base layer and impregnates the base layer down to the outer surface of the first resin layer, so that the base layer is included within the second resin layer when the second resin layer is cured.

REFERENCES:
patent: 4812185 (1989-03-01), Romanski
patent: 4944820 (1990-07-01), McCarten
patent: 5134010 (1992-07-01), Schiel
patent: 5238537 (1993-08-01), Dutt
patent: 5772848 (1998-06-01), Dutt

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