Accessory for a tire tread builder

Details Accessory for a tire tread builder Accessory for a tire tread builder

1986-09-05

1988-09-13

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Apparatus for applying new tread to used tire casing; e.g.,...

425 17, 425209, B29D 3062

Patent

active

047707410

ABSTRACT:
The invention relates to an accessory for an "orbitread" tread builder, or the like, whereby waste rubber crumbs or buffing dust can be used for the formation of a tread strip to be applied onto a tire casing to form a new tread layer. The accessory essentially includes a feeding arrangement to feed the crumbs or dust into the screw or worm conveyor of the tread builder, where it is combined with the conventionally used rubber compound which is extruded into the required tread strip form.

REFERENCES:
patent: 742591 (1903-10-01), Clark
patent: 2772764 (1956-12-01), McClellan
patent: 3308000 (1967-03-01), Holman
patent: 3366368 (1968-01-01), Hibbing
patent: 3797702 (1974-03-01), Robertson
patent: 3879150 (1975-04-01), Brown et al.
patent: 4139309 (1979-02-01), Billingsley
patent: 4426018 (1984-01-01), Ward

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