Extrusion die for the production of a flat sheet of thermoplastic material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 28, 1988
Grant Date -
N/A
app pub date -
Aug 21, 1987
filing date -
Aug 26, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An extrusion die having an adjustable lip opening through which thermoplastic material is forced to form a flat sheet. Fine adjustment of the lip is effected thermally and without play by the provision of an element or a heating or cooling block which braces the lip. Coarse adjustment is effected manually, and without play, by operation of a pair of bolts. One bolt axially shifts the block, and the other bolt tightens the block against the die body.
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