Tire carcass building drum with inflatable bladders

Details Tire carcass building drum with inflatable bladders Tire carcass building drum with inflatable bladders

1990-05-25

1992-06-09

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156398, 156414, B29D 3026

Patent

active

051203901

ABSTRACT:
A tire carcass building drum is provided adjacent its ends with a shoe movable axially thereto which comprises a main shoe and a secondary shoe rotatably mounted by bearings on the main shoe. The secondary shoe is provided with turn-up bladders thereon, which bladders function to turn over extended ply ends around bead assemblies placed on other components of a tire carcass being assembly on the drum. The secondary shoe further includes a toe surface engageable with the ends of the drum to thereby render the bladder members rotatable with the drum surface. These bladders also provide a support for ply ends against which the consolidating and stitching rollers can act to smooth and press together the ply materials.

REFERENCES:
patent: 3418792 (1968-12-01), Nadler
patent: 4314864 (1982-02-01), Loeffler et al.
patent: 4402782 (1983-09-01), Klose et al.
patent: 4469546 (1984-09-01), Klose
patent: 4584038 (1986-04-01), Enders
patent: 4820373 (1989-04-01), Klose
patent: 4830693 (1989-05-01), Okafuji et al.
patent: 4836880 (1989-06-01), Haas

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