System for manufacture of high-lug tires

Details System for manufacture of high-lug tires System for manufacture of high-lug tires

1985-04-09

1987-07-28

Schmidt, Frederick R.

Wheelwright machines

Grooving, slitting and/or lacerating of rubber tires

B29D 3068

Patent

active

046826416

ABSTRACT:
A system of manufacturing a high-lug tire, wherein a portion of the tread of an unvulcanized tire is cut off to form quasi pattern grooves in substantially complementary relation to the shaping surface of a vulcanizing mold. Thereafter the unvulcanized tire is vulcanized in vulcanizing mold with the quasi pattern grooves matching the shaping surface of the vulcanizing mold. This reduces any flow of rubber during vulcanization of the tire.

REFERENCES:
patent: 3487872 (1970-01-01), Kiedrowski
patent: 3502131 (1970-03-01), Rawls
patent: 3554248 (1971-01-01), Chambers et al.
patent: 3589427 (1971-06-01), Love
patent: 3850222 (1974-11-01), Lejuene
patent: 4072072 (1978-02-01), Harb
patent: 4080230 (1978-03-01), Batchelor et al.
patent: 4134316 (1979-01-01), Bullinger

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