Title:
【発明の名称】タイヤ成型装置
Document Type and Number:
Japanese Patent JP2810114
Kind Code:
B2
Abstract:
A tire building apparatus includes a forming drum (9) rotatably supported with its one end and having an outer circumference around whioh a tire constituting member (T) is wound, and bead setters (35) for setting beads (B) in position on the tire constituting member. The apparatus further includes bead supply device (41) having a holder (44) fixed to a forward end of a main shaft (10) of the forming drum and a plurality of grasping pawls (61) 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 th beads on the 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, damage of the tire oonstituting member can be prevented to improve yield rate of tire building.
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Inventors:
Ryutaro Ishii
Application Number:
JP14148189A
Publication Date:
October 15, 1998
Filing Date:
June 03, 1989
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B29D30/24; B29D30/32; (IPC1-7): B29D30/24
Domestic Patent References:
| JP58178839A | ||||
| JP587339A |
Attorney, Agent or Firm:
Toshio Tada