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Title:
ROTARY WHEEL TYPE CONTINUOUS EXTRUDER AND METHOD OF MANUFACTURING METAL EXTRUDED PRODUCT
Document Type and Number:
Japanese Patent JP2008279505
Kind Code:
A
Abstract:

To provide a rotary wheel type continuous extrusder and a method of manufacturing a metal extruded product, wherein heating for smoothly performing extrusion is easily and efficiently performed to attain stable production of the metal extruded product.

The rotary wheel type continuous extruder 10 is provided with: a base stock guiding passage 6 which is formed by covering a portion of a groove 2 provided on the outer peripheral surface of a rotary wheel 1 by each inner peripheral surface of a plurality of shoes 4 and a feed plate 4a; a die 7 which is arranged by abutting on the outer surface of the feed plate 4a arranged at the downstream end of the base stock guiding passage 6; and a plurality of backup rings 8 arranged by superposing on the surface of the opposite side of the side of the feed plate 4a of the die 7. The heater blocks 22 are extended on both sides of the die 7 and the feed plate 4a so as to sandwich them, the heat radiating surfaces of the heater blocks 22 are arranged closely to the die 7 and the feed plate 4a, and a heater 21 is embedded in the heater blocks 22.


Inventors:
DOUTANI YASUO
OKUBO KIYOYUKI
Application Number:
JP2008103697A
Publication Date:
November 20, 2008
Filing Date:
April 11, 2008
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORP
International Classes:
B21C23/21
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Yasuhiko Murayama
Noriko Yanai