Title:
EXTRUSION APPARATUS AND EXTRUSION METHOD
Document Type and Number:
WIPO Patent Application WO/2013/014956
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a technique for curtailing the time needed to pre-heat an internal space of a cylinder. In order to achieve this purpose, an extrusion apparatus is provided with a cylindrical cylinder, a screw rotatably arranged in an internal space of the cylinder, and an external heater for heating the internal space from the outer periphery. The extrusion apparatus is further provided with a heater device detachably incorporated into the screw. The heater device is provided with, for example, a heater rod that can be connected to and disconnected from a shaft part in a hollow of the screw.
Inventors:
SASAKI AKIHITO (JP)
Application Number:
PCT/JP2012/052832
Publication Date:
January 31, 2013
Filing Date:
February 08, 2012
Export Citation:
Assignee:
SUMITOMO WIRING SYSTEMS (JP)
SASAKI AKIHITO (JP)
SASAKI AKIHITO (JP)
International Classes:
B29B7/38; B29B7/82; B29C48/06
Foreign References:
| JPS5616742B2 | 1981-04-17 | |||
| JPH06106607A | 1994-04-19 | |||
| JPS5789938A | 1982-06-04 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
Hidetoshi Yoshitake (JP)
Hidetoshi Yoshitake (JP)
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Claims:
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