Title:
ゴムストリップ材の成形装置及びゴムストリップ材の成形方法
Document Type and Number:
Japanese Patent JP5225869
Kind Code:
B2
Abstract:
An object is to extrude stably a rubber strip material of a predetermined cross-sectional shape without reducing an extruding speed of the rubber strip material from an extruding die. An extrusion method is provided for the rubber strip material which is used in a tire fabrication process in which an unvulcanized rubber strip material which is extruded from an extruding die of an extruding machine is wound spirally to build a tire rubber member, such that a pair of rotatable rolls are provided at a distal end portion of the extruding die in such a manner that their outer circumferential surfaces confront each other, and in that a rubber material is extruded continuously into a ribbon shape from a gap defined by the pair of confronting rolls.
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Inventors:
Shigeo Kudo
Osamu Fujiki
Masami Tanabe
Osamu Fujiki
Masami Tanabe
Application Number:
JP2008559006A
Publication Date:
July 03, 2013
Filing Date:
September 18, 2007
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO.,LTD.
International Classes:
B29C48/30; B29C48/08; B29C48/12; B29C48/35; B29K21/00; B29L30/00
Domestic Patent References:
| JP2006312284A | 2006-11-16 | |||
| JP2000289122A | 2000-10-17 | |||
| JP2003245935A | 2003-09-02 | |||
| JP2005238799A | 2005-09-08 |
Attorney, Agent or Firm:
Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi