Resin molding machine and member for resin molding machine having film in passive state
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 26, 2008
Grant Date -
Aug 31, 2006
app pub date -
Feb 26, 2004
filing date -
Mar 3, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A member for a resin molding machine wherein it has a face contacting with a molten resin, and at least a part of the face is covered with a film of an oxide of a base material of the face or a component contained in the base material. The use of the member in the molding of a resin allows the prevention of the incorporation of a contaminant associated with the deterioration of a melt of the resin into a molded article from the resin.
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