Coat hanger die
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1981
Grant Date -
N/A
app pub date -
Nov 7, 1979
filing date -
Nov 7, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved coat hanger die is provided wherein the manifold is curved and wherein the manifold radius, coat hanger slit part thickness and the form of the coat hanger die are determined by a formula which is disclosed all in relation to the radius of the manifold at its inlet. The radius of the manifold at its inlet is selected in consideration of the flow characteristics of the resin melt to provide a low melt velocity at the inlet.
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Family
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Cited Art Landscape
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