Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1994-06-14
1996-06-04
Wilson, D. R.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
2643289, 26432813, 26432818, B29C 4534, B29K10516
Patent
active
055230440
ABSTRACT:
The present invention provides a process for the manufacture of a moulded article which comprises introducing a curable epoxy resin composition to a mould which is at a temperature high enough to initiate curing of the resin and supplying further resin under pressure to compensate for shrinkage of the composition, the epoxy resin containing coarse decorative particles therein, wherein the epoxy resin is introduced into the mould through a gap having a length which is 30 to 100% of that dimension of the moulded product being made which is adjacent to the gap and a width which is at least twice the maximum size of the decorative particles.
REFERENCES:
Derwent 80-79920 c.
Patent Abstracts of Japan (57-63235 (A)).
Ludman Peter B.
Willis Philip D.
Wombwell Paul T.
Ciba-Geigy Corporation
Crichton David R.
Teoli, Jr. William A.
Wilson D. R.
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