Apparatus for advancing sheet material
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United States of America Patent
Stats
-
Jul 7, 1981
Grant Date -
N/A
app pub date -
Sep 7, 1979
filing date -
Sep 7, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for feeding thin plastic film to and around a mandrel for forming a tubular package in which articles are deposited. The sheet material is advanced downwardly over the mandrel by means of a reciprocating collar which includes a unidirectional driving member. The tubular formed sheet material is cut and sealed by conventional sealing devices.
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Cited Art Landscape
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