Tire innerstitching mold

Details Tire innerstitching mold Tire innerstitching mold

1992-02-06

1993-02-23

Hart, Charles

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

156451, 1564216, B29B 900

Patent

active

051888467

ABSTRACT:
A tire innerstitching mold (9) defined by an inner portion (18) (19) of the grab ring (16) (54) of an outer tread belt (3), wherein the grab ring (16) (54) presents an inner annular body (18) (19) and two annular shoulders (51) located on opposite sides of the inner annular body (18) (19) so as to define, with the inner annular body (18) (19), a concave annular surface (9a) negatively matching the outer shoulder (53) and tread surface (2a) of a smooth-tread tire (2); at least one of the two annular shoulders (51) being movable in relation to the inner annular body (18) (19).

REFERENCES:
patent: 2717022 (1955-09-01), Duerksen
patent: 2808872 (1957-10-01), Clapp
patent: 3695808 (1972-10-01), Beneze
patent: 3962987 (1976-06-01), Brandl
patent: 4083672 (1978-04-01), Vaishnav
patent: 4262624 (1981-04-01), Soeda et al.
patent: 4398492 (1983-08-01), Casey

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