Title:
TIRE VULCANIZING MOLD
Document Type and Number:
WIPO Patent Application WO/2003/008169
Kind Code:
A1
Abstract:
A tire vulcanizing mold having a greatly improved function for discharging air from between the molding pieces of a sector mold, wherein a tread ring for molding and vulcanizing the tread portion of a tire is composed of a plurality of sector molds circumferentially divisionally formed and making planar contact with each other, each sector mold being composed of a segment and a plurality of movable molding pieces disposed arcuately on the inner surface side of the segment, the movable molding pieces of each sector mold being urged away from each other.
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Inventors:
KATA TAKEHIRO (JP)
Application Number:
PCT/JP2002/007125
Publication Date:
January 30, 2003
Filing Date:
July 12, 2002
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
KATA TAKEHIRO (JP)
KATA TAKEHIRO (JP)
International Classes:
B29C33/10; B29D30/06; B29C37/00; (IPC1-7): B29C33/02; B29C35/02
Foreign References:
| US5120209A | 1992-06-09 | |||
| JPH05220753A | 1993-08-31 | |||
| JPH05220748A | 1993-08-31 | |||
| EP0860260A1 | 1998-08-26 | |||
| US5492669A | 1996-02-20 | |||
| JP2001232640A | 2001-08-28 |
Other References:
See also references of EP 1415781A4
Attorney, Agent or Firm:
Sugimura, Kosaku (2-4 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, JP)
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