Method of making porous tread

Details Method of making porous tread Method of making porous tread

1981-06-09

1982-10-05

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156128R, 264109, 264123, B29G 702, B60C 1100

Patent

active

043527043

ABSTRACT:
An unpatterned (grooveless) porous tire tread and a pneumatic tire incorporating the porous tread, together with methods of manufacturing the tire tread as a separate item and as an integral part of the tire are described. The tire tread has numerous randomly orientated and randomly distributed interconnected passages extending from the surface substantially throughout the tread. These passages provide water drainage paths preventing build-up of water between the tire tread and a wet road.
The tire tread is preferably manufactured by bonding particulated elastomeric material with a binder mixture that forms a polymer upon curing. Whether formed separately or integrally with a tire, the tread mould is unpatterned.

REFERENCES:
patent: 1896574 (1933-02-01), Covey
patent: 1930585 (1933-10-01), Covey
patent: 2130524 (1938-09-01), Clark
patent: 2672910 (1954-03-01), Corson
patent: 3274322 (1966-09-01), Seudder
patent: 3850875 (1974-11-01), Robson
patent: 3856067 (1974-12-01), Gorter
patent: 3920604 (1975-11-01), Berg et al.
patent: 4176702 (1979-12-01), Seilbarling
PCT International Application WO80/00233, 1980.

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