Tire building machine

Details Tire building machine Tire building machine

1980-07-18

1982-08-10

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156131, 156132, 156403, 156416, B29H 1726

Patent

active

043436714

ABSTRACT:
The tire building machine comprises a tire building drum or shaper, annular bladders adjacent each end and a bead setter and bladder pusher mechanism movable axially of the drum selectively to set a tire bead in proper position and to push and effectively roll the bladder when inflated to cause the ply edges of the tire to be wrapped about the bead without air entrapment and stitched securely. Such mechanism includes a bead setting and pushing ring mounted for axial movement and hydraulic actuators are provided for effecting such movement. The ring has a flat face, a short axially extending radially inner annular surface or shelf for restricting expansion of a portion of the bladder rearwardly of the face when inflated thereunder, and a rounded inner peripheral edge or bead projecting beyond the shelf which grips the bladder when inflated to prevent relative sliding movement of the bladder and ring during bladder push. There is further provided a movable stop for precisely locating bead set and bladder pick-up positions of the ring and bead clamps for holding the tire bead to the ring during the bead set operation.

REFERENCES:
patent: 3433695 (1969-03-01), Caretta et al.
patent: 3776802 (1973-12-01), Mallory et al.
patent: 3784426 (1974-01-01), Woodhall et al.
patent: 3784437 (1974-01-01), Appleby et al.
patent: 3944456 (1976-03-01), Cantarutti
patent: 4214939 (1980-07-01), Enders
patent: 4230517 (1980-10-01), Enders

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