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Title:
【発明の名称】ブロー成形用ダイス
Document Type and Number:
Japanese Patent JP2792590
Kind Code:
B2
Abstract:
PURPOSE:To provide a die for blow molding which can carry out changing of materials and colors smoothly. CONSTITUTION:A core bar 16 is inserted into a die housing 12 to form resin passages 18 and 22, and a resin inflow opening 21 is opened from the extruder side in the resin passages 18 and 22, and a manifold 20 branched in the left and right in the peripheral direction from the surface of core bar 16 on the resin inflow opening 21 side and heading for the reverse resin inflow opening side of core bar 16 is formed, and a joining section 27 is formed on the manifold 20 side. A residual resin discharge hole and a plug forming a circular passage are formed movably on the die housing 12 in the position facing the resin inflow opening 21 in the resin passages 18 and 22.

Inventors:
TERADA YUKIO
KIRIMOTO KAZUNARI
KANO YOSHIAKI
Application Number:
JP34660592A
Publication Date:
September 03, 1998
Filing Date:
December 25, 1992
Export Citation:
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Assignee:
UBE KOSAN KK
International Classes:
B29B11/10; B29B11/14; B29C48/325; B29C49/04; B29C49/42; B29L22/00; (IPC1-7): B29C49/42; B29B11/10; B29B11/14; B29C47/22; B29C49/04
Domestic Patent References:
JP4201317A
JP6166097A
JP6155564A
JP56166028A