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Patent Searching and Data


Title:
METHOD OF MANUFACTURING SPHEROIDAL MOLDINGS
Document Type and Number:
WIPO Patent Application WO/1996/009156
Kind Code:
A1
Abstract:
A method of manufacturing spheroidal moldings, by which a multiplicity of spheroidal moldings are injection molded at a time without increased runner loss. In the method, molding is performed with such an arrangement that molded portions of moldings are connected to one another via bridges, through which melt resin flows and which has a cross-sectional area of 0.1 to 10 mm2, and a plurality of molded portions of moldings are connected to one gate via the bridges, whereby a chain of balls comprising a plurality of spheroidal moldings (1) connected by bridge portions (2) are obtained.

Inventors:
WADA TAKUYA (JP)
NAKAIZUMI MASAHIRO (JP)
SAKAKIYAMA SHOJI (JP)
Application Number:
PCT/JP1995/001857
Publication Date:
March 28, 1996
Filing Date:
September 19, 1995
Export Citation:
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Assignee:
SEIKISUI CHEMICAL CO LTD (JP)
JAPAN IMMUNO RES LAB (JP)
WADA TAKUYA (JP)
NAKAIZUMI MASAHIRO (JP)
SAKAKIYAMA SHOJI (JP)
International Classes:
B29C33/00; B29C33/42; B29C37/00; B29C45/17; B29C45/26; B29C45/27; B29C59/02; B29C69/00; B29C31/00; (IPC1-7): B29C45/26; B29C33/42; B29C37/00; B29C45/37; B29C71/00
Foreign References:
JPH02131912A1990-05-21
JPS5887029A1983-05-24
JPS54100969U1979-07-16
JPS5567827U1980-05-10
JPS5953919U1984-04-09
JPS60104645A1985-06-10
Other References:
See also references of EP 0730938A4
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