Title:
押出機用口金および押出装置
Document Type and Number:
Japanese Patent JP5675200
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an extruder cap that can prevent break of a side portion of a rubber strip by uniformizing density in a width direction of the extruded rubber strip, and to provide an extruder device using the same.SOLUTION: The extruder cap 1 is attached to an end portion of the extruder device via a head, and a rubber material extruded from the extruder device is formed in the rubber strip having a predetermined cross section shape. A narrowed region that reduces the height of a flow path 2 in comparison with both sides in a width direction is provided in an intermediate region in the width direction of the flow path 2 of the rubber material in a cross section surface intersecting a flow direction of the rubber material in the extruder cap 1.
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Inventors:
横田 賢明
Application Number:
JP2010169609A
Publication Date:
February 25, 2015
Filing Date:
July 28, 2010
Export Citation:
Assignee:
株式会社ブリヂストン
International Classes:
B29C48/30
Attorney, Agent or Firm:
Kenji Sugimura
Kiyoshi Kima
Ken Ogushi
Kiyoshi Kima
Ken Ogushi