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Patent Searching and Data


Title:
METHOD FOR PRODUCTION OF SUPPORT AND RUNFLAT PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2004148707
Kind Code:
A
Abstract:

To provide a method of producing a shell component having an optional cross section shape accurately without increasing production process steps and a production cost.

A cavity 110 having a cross section shape corresponding to a cross section shape of a shell of a tire support is formed in an extruding die 108, and a melted aluminum alloy M is supplied into the cavity 110 from a ladle 102. Drawing belts 120 and 122 are installed on the down stream side of the extruding die 108, and the drawing belts 120 and 122 are circulated while holding a plate 136 drawn out of the extruding die 108, whereby the aluminum alloy M is moved to the extruding direction in the cavity 110 and cooled by the extruding die 108 to be coagulated in the cavity 110 in such a way as to form a cross sectional shape corresponding to the cross sectional shape of the shell 26.


Inventors:
SUGIO DAISUKE
IZUMIMOTO TAKAHARU
INO FUMITAKA
Application Number:
JP2002317295A
Publication Date:
May 27, 2004
Filing Date:
October 31, 2002
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B60B21/12; B21D53/18; B29D30/06; B60C17/04; B60C17/06; (IPC1-7): B29D30/06; B21D53/18; B60B21/12; B60C17/04
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda