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Title:
SINGLE GROOVE SLOT AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3429343
Kind Code:
B2
Abstract:

PURPOSE: To provide a process capable of producing a slot having high dimensional accuracy at a high speed.
CONSTITUTION: Aramid fibers are prepd. as tension members 3 and are wound on creel stands 10. A PBT resin is prepd. as a resin for molding a body part and is supplied in a molten steel to an extruder 12. The tension members 3 are inserted into a preheater 16 by setting their supply tension at 450g/piece and are supplied to a cross head 12a of the extruder 12. The extrusion temp. of the resin by the extruder 12 is set at 245°C. The sectional shape in the projecting part of the die 12b of the extruder 12 is formed into a shape notched in such a manner that the outer periphery in the bottom of the body part is parallel with the base of housing grooves with respect to the design sectional shape of the slots. The molding extruded from the die 12b is introduced into a sizing die 18 where the molding is shaped and cooled and thereafter, the molding is taken off by a take-off machine 22 via plural guide rollers 20 after cooling.


Inventors:
Yoshinobu Kitayama
Takashi Tanaka
Wataru Katsurashima
Shigehiro Matsuno
Kenji Kozuka
Masato Isobe
Application Number:
JP32214493A
Publication Date:
July 22, 2003
Filing Date:
December 21, 1993
Export Citation:
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Assignee:
Ube Nitto Kasei Co., Ltd.
Sumitomo Electric Industries, Ltd.
International Classes:
G02B6/44; H01B11/22; H01B13/00; (IPC1-7): G02B6/44
Domestic Patent References:
JP5261843A
JP1179111A
JP60175754U
Attorney, Agent or Firm:
Masatoshi Matsumoto