Title:
MULTI-PORT EXTRUDING DEVICE
Document Type and Number:
Japanese Patent JP2010234380
Kind Code:
A
Abstract:
To provide a multi-port extruding device capable of controlling extruding speed in simultaneous extrusion of a plurality of ports with simple structure.
The multi-port extruding device (1) includes multi-port extruding dies (10) (20a) (20b) having a plurality of extruding ports (23) (24) and a backer (30) which is arranged on the downstream side of these multi-port extruding dies (10) (20a) (20b). Passages (R1) (R2) for cooling medium, which are communicated to the outside are provided by surrounding the extruding ports to at least one extruding port (23) (24) on the mating surface of the multi-port extruding dies (10) (20a) (20b) and the backers (30).
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Inventors:
SUDO MASAMI
SAKIHAMA HIDEKAZU
SAKIHAMA HIDEKAZU
Application Number:
JP2009082061A
Publication Date:
October 21, 2010
Filing Date:
March 30, 2009
Export Citation:
Assignee:
SHOWA DENKO KK
International Classes:
B21C29/00; B21C25/02
Domestic Patent References:
| JPH0362610U | 1991-06-19 | |||
| JPH0157911A | ||||
| JPH0466218A | 1992-03-02 |
Attorney, Agent or Firm:
Yoshihito Shimizu
Hisayoshi Shimizu
Ken Takada
Hisayoshi Shimizu
Ken Takada