Tire building apparatus including bead supply means for bead set

Details Tire building apparatus including bead supply means for bead set Tire building apparatus including bead supply means for bead set

1990-05-24

1991-09-24

Knable, Geoffrey L.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

1564062, 156414, B29D 3032

Patent

active

050511491

ABSTRACT:
A tire building apparatus includes a forming drum rotatably supported with its one end and having an outer circumference around which a tire constituting member is wound, and bead setters for setting beads in position on the tire constituting member. The apparatus further includes bead supply device having a holder fixed to a forward end of a main shaft of the forming drum and a plurality of grasping pawls supported by the holder and radially movable toward and away from an axis of the main shaft in synchronism with each other to be able to grasp the beads on inside thereof. With this arrangement, beads are brought into exact alignment with the forming drum to eliminate contact of the beads with the tire constituting member in setting the beads. As a result, damaging of the tire constituting member can be prevented to improve yield rate of tire building.

REFERENCES:
patent: 3556900 (1971-01-01), Edney et al.
patent: 4430143 (1984-02-01), Aihara
patent: 4581084 (1986-04-01), Mukae et al.

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