Mold for recapping a tire

Details Mold for recapping a tire Mold for recapping a tire

1986-01-31

1990-08-07

Hoch, Ramon R.

Adhesive bonding and miscellaneous chemical manufacture

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

425 20, 425 47, B29D 3054

Patent

active

049465546

ABSTRACT:
A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The mold (14) is disposed therearound with ribs (20) resting on the surface thereof. A semi-flexible cap (24) is disposed over the ends (16) and (18) which are separated by a gap (20). An elastic strap (26) is then wrapped about the assembly to secure the mold (14) to the built up tire carcass (10). An envelope (28) is then wrapped about the assembled tire carcass (10) to provide a radially inward force thereto. The whole assembly is then cured in a curing oven.

REFERENCES:
patent: 1653835 (1927-12-01), Benaglia
patent: 1748590 (1930-02-01), Vincent
patent: 2014010 (1935-09-01), Wheatley
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patent: 2372217 (1945-03-01), MacMillan
patent: 2421099 (1947-05-01), Vogt
patent: 2429715 (1947-10-01), Glynn
patent: 2444898 (1948-07-01), Butterfield
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patent: 3429005 (1969-02-01), MacMillan
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patent: 3999907 (1976-12-01), Pappas
patent: 4053265 (1977-10-01), Wulker et al.
patent: 4500375 (1985-02-01), Goldstein
patent: 4588460 (1986-05-01), Magee et al.

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