Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Tire body building type
Patent
1981-03-16
1984-04-24
Boland, Lois E.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Tire body building type
156125, 152357A, 264255, 264315, 264326, 425 43, 425 46, 425 47, 425 56, B29H 502, B29H 1736
Patent
active
044446128
ABSTRACT:
A vehicle tire crown portion 10 including a tread 11 is injection molded and prevulcanized in a closed annular mold cavity 17 defined by a segmented outer mold 16 clamped together by a locking ring 22 and a segmented core 19 pressed against the outer mold by upper and lower pressure plates 25, 26. The core is then removed by disassembling its segments, whereafter a carcass 14 and prevulcanized sidewalls 12, 13 are placed in the central portion of the mold on an inflatable air bag 38 flanked by lateral mold sections 39, 40. The vulcanization of the tire assembly is then completed, during which the sidewalls are joined to the retained crown portion.
REFERENCES:
patent: 3276930 (1966-10-01), Reefe
patent: 3974018 (1976-08-01), Arimura et al.
patent: 4057447 (1977-11-01), Holroyd et al.
patent: 4059375 (1977-11-01), Koch et al.
patent: 4063861 (1977-12-01), Schmidt et al.
patent: 4230511 (1980-10-01), Olsen
patent: 4272309 (1981-06-01), Payne et al.
Boland Lois E.
Klockner-Werke AG
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