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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING PNEUMATIC TIRE AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2018/016182
Kind Code:
A1
Abstract:
A method for manufacturing a pneumatic tire comprises: a preparation step of preparing a bead core having at least one gap part inside at least one rectangular outer contour of which each side contacts at least one bead wire, and a bead filler having at least one convex part that may be positioned in the gap part of the bead core when arranged adjacent to the bead core on the outside thereof in a tire radial direction; an arrangement step of arranging, on a molding drum, the bead core and the bead filler so as to be adjacent to each other on an outer peripheral surface at an end in an axial direction of a cylindrical carcass; and a pressing step of pressing the convex part of the bead filler which has entered the gap part of the bead core against the bead wires.

Inventors:
TSUGE TOSHITERU (JP)
Application Number:
PCT/JP2017/019773
Publication Date:
January 25, 2018
Filing Date:
May 26, 2017
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B29D30/48; B60C15/04
Domestic Patent References:
WO2015072307A12015-05-21
WO2015105087A12015-07-16
Foreign References:
JPH071925A1995-01-06
JP2013141919A2013-07-22
JP2001055022A2001-02-27
JP2015202648A2015-11-16
JP2015020425A2015-02-02
JP2012131109A2012-07-12
Attorney, Agent or Firm:
SUGIMURA KENJI (JP)
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