Ply turn-up means in a tire building machine

Details Ply turn-up means in a tire building machine Ply turn-up means in a tire building machine

1981-04-09

1982-12-07

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

B29H 1722

Patent

active

043625924

ABSTRACT:
A ply turn-up and stitching device for use with a tire building drum wherein the building drum supports a tire carcass thereon with ply stock or fabric wound thereon and wherein the fabric extends beyond the edges of the tire building drum. Separate means is provided to place tire beads onto the respective edges of the building drum. The ply turn-up device upon actuation moves a profiled cam to a predetermined position adjacent the drum and then actuates the turn-up device to perform a turn-up of the marginal edges of the ply stock or fabric over the tire beads followed by a stitching of the remaining fabric onto the tire carcass to complete the operation. On return of the ply turn-up device to its remote position, it carries the profiled cam away from the tire building drum to facilitate the removal of the drum.

REFERENCES:
patent: 2409974 (1946-10-01), Breth et al.
patent: 2838091 (1958-06-01), Kraft
patent: 3075570 (1963-01-01), Garver
patent: 3887423 (1975-06-01), Gazuit

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