Method for advancing and sealing preformed containers
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United States of America Patent
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-
Nov 4, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Sep 23, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An indexing motion apparatus and method for advancing and vacuum sealing a plurality of connected, preformed trays. The connected, preformed trays are supplied by an indexing conveyor belt assembly which delivers the preformed trays to an advancement mechanism indexingly driven by a programmable servo motor. After the preformed trays are loaded and evacuated, a flexible web of packaging material is disposed in overlying relation to the preformed trays and sealed thereto. A cutting mechanism severs the sealed, preformed trays longitudinally and transversely.
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