Off-the-highway radial tire building system

Details Off-the-highway radial tire building system Off-the-highway radial tire building system

1974-11-29

1980-12-16

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156128N, 156414, 156416, B29H 1710

Patent

active

042395658

ABSTRACT:
A method and apparatus for making a pneumatic tire and particularly a giant off-the-highway radial type pneumatic tire is provided preferably by first forming a tire carcass around a tire carcass building drum and transporting the tire carcass to a second stage tire building machine by a carcass transport support means. The second stage machine comprises a first rotatable detachable building drum on a first shaft preferably capable of vertical positioning for placing the tire carcass on the first drum. The first drum is adapted to expand the tire carcass to a substantially toric configuration. A second rotatable collapsible drum for building a breaker assembly is mounted on a second shaft coaxially of the first shaft. Breaker transfer means travels over and between the drums to transfer the breaker assembly from the second drum to the first drum. When the breaker assembly is positioned over the first drum, the carcass is expanded into a toric configuration and mates with the breaker assembly. The combined breaker assembly and carcass is then stitched, and tread portion applied, and the detachable building drum with the assembled tire thereon is placed in a curing means such as a mold or pot heater.

REFERENCES:
patent: 1374505 (1921-04-01), Hopkinson
patent: 2824336 (1953-03-01), Weigold et al.
patent: 2974714 (1961-03-01), Kraft
patent: 3364093 (1968-01-01), Porter
patent: 3374138 (1968-03-01), Porter et al.
patent: 3388024 (1968-06-01), Black et al.
patent: 3738893 (1973-06-01), Edler
patent: 3740292 (1973-06-01), Leblond
patent: 3867229 (1975-02-01), Marra
patent: 3909337 (1975-09-01), Yabe
Whittlington's Dictionary of Plastics, Whittington, Lloyd R. Pub. by Society of Plastics Engineers & Technomic Publishing Co., Inc., 750 Summer St., Stamford, Conn., 06902, Copyright 1968, p. 173.

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