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Patent Searching and Data


Title:
SPRUE BUSH
Document Type and Number:
WIPO Patent Application WO/2018/003882
Kind Code:
A1
Abstract:
In order to provide a sprue bush capable of suitably cooling the entirety of a molten resin raw material in a raw material resin flow path, one embodiment of the present invention provides a sprue bush including: a raw material resin flow path; and a cooling medium flow path provided around the raw material resin flow path, wherein the width dimension of the raw material resin flow path is gradually increased toward the downstream side end surface of the sprue bush, and the downstream side end surface of the sprue bush is a heat transfer surface.

Inventors:
WATANABE SHINYA
ABE SATOSHI
TANAKA KENICHI
MORI MIKIO
UCHINONO YOSHIYUKI
Application Number:
PCT/JP2017/023813
Publication Date:
January 04, 2018
Filing Date:
June 28, 2017
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B29C45/27; B29C45/73
Domestic Patent References:
WO2008038694A12008-04-03
Foreign References:
JP2003220634A2003-08-05
JPH07276457A1995-10-24
Other References:
See also references of EP 3479989A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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