Multi-layer extrusion die
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United States of America Patent
Stats
-
Nov 27, 1984
Grant Date -
N/A
app pub date -
Apr 5, 1983
filing date -
Jun 7, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-layer extrusion die wherein a temperature control mechanism for heating or cooling an inner layer resin is provided inside an inner layer resin flow path, and resins flowing through respective resin flow paths are each heated to a suitable temperature so as to eliminate possibilities of occurrence of burning of the resin and the like.
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Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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