Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Tire body building type
Patent
1975-01-27
1976-07-13
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Tire body building type
156 96, 425 24, 425 44, 425387R, B29H 504
Patent
active
039691799
ABSTRACT:
Curing apparatus is provided which may be used for vulcanizing a pre-cured tread onto a suitably prepared tire casing; the pre-cured tread being initially adhesively attached to the tire casing. The apparatus provides a mold defining a chamber in which the tire casing and adhesively attached pre-cured tread are placed; and it includes means for establishing pressurized fluid, such as steam or air, within the interior of the tire casing, and pressurized fluid, such as steam, in the annular space between the casing and the inside peripheral surface of the chamber, so that a required heat and pressure condition may be established within the chamber to cause the tread to be vulcanized and permanently bonded to the casing. The apparatus of the invention, in a second embodiment, is used for vulcanizing uncured rubber to a tire casing to form the tread. The apparatus automatically maintains a pre-set pressure between the pressurized fluid within the tire casing and the pressurized fluid within the mold, so that optimum curing conditions may be established throughout the vulcanizing process, without any possibility of damage to the tread or casing, or to the bond between the tread and casing.
REFERENCES:
patent: 3236709 (1966-02-01), Carver
patent: 3585686 (1971-06-01), Balle
patent: 3729358 (1973-04-01), Barefoot
patent: 3743564 (1973-07-01), Gross
patent: 3779833 (1973-12-01), Reppel
patent: 3884739 (1975-05-01), Hindin et al.
Beecher Keith D.
Drummond Douglas J.
Kittle John E.
Lodi Division Intercole Automation, Inc.
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