Slit extrusion die
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 8, 1980
Issued Date -
N/A
app pub date -
Jun 14, 1978
filing date -
Nov 20, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A slit extrusion die with a modified entry port which allows extrusion of a low denier tape at high draw down ratios is disclosed. The die has an entry port wherein the depth of the slit is greater at both ends than at the middle by an amount equal to 0.1 to 0.4 times the length of the slit.
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