Article and method of manufacture of two-color non-slip tread or

Details Article and method of manufacture of two-color non-slip tread or Article and method of manufacture of two-color non-slip tread or

1996-11-22

1998-10-06

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428148, 428195, 428192, 428206, 428207, 4289088, 52177, 52179, 427301, 427180, 427190, 427299, 427282, 427258, 427261, 427272, 427264, 427270, 427284, 4273722, 4273881, E04F 11104, B61D 2300

Patent

active

058173994

ABSTRACT:
A method of manufacturing a two-color non-slip tread or flooring plate includes the steps of dimensioning the plate, cleaning the plate and applying a bonding agent to the plate. A uniform layer of plastisol of a light color, containing gritty particles such as aluminum oxide, is sprayed on one of the surfaces of the plate or tread. After partial curing by baking, a masking material is applied along one of the edges. This edge is selected to be the edge which would abut a discontinuity in the floor such as the edge of a step or a flooring area which is raised. A second layer of plastisol containing gritty particles with a darker pigment is then sprayed on to the first layer of plastisol. The plastisol layers are then cured by baking and the masking material is removed. The invention includes tread plates and flooring plates made in accordance with the method of the present invention.

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