Method and apparatus for producing high abrasion resistance...

Details Method and apparatus for producing high abrasion resistance... Method and apparatus for producing high abrasion resistance...

D - Textiles, Paper

21

H

D21H 27/22 (2006.01) B05B 7/12 (2006.01) B05B 13/04 (2006.01) B05B 15/06 (2006.01) B05D 1/12 (2006.01) D21H 23/50 (2006.01) D21H 27/24 (2006.01) D21H 27/28 (2006.01)

Patent

CA 2090553

15943-001 PATENT APPLICATION IMPROVED METHOD AND APPARATUS FOR PRODUCING HIGH ABRASION RESISTANCE SURFACE SHEETS, AND SHEETS PRODUCED THEREBY ABSTRACT OF THE DISCLOSURE Surface sheets (230) impregnated with thermosetting resin and including a layer of abrasion-resistant particles are produced by the disclosed process. The process includes a method of applying the abrasion- resistant particles by spraying a slurry of such particles onto the surface of a web (158) by means of a rotary head (138) and a plurality of spray pistols (136). The step of spraying the slurry onto the surface of the web occurs after a first impregnation and may be followed by a second resin coating step.

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