Unpleating system for machines for molding, filling, and automatic closing of flexible-film-based wrappings
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United States of America Patent
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Jan 12, 1999
Grant Date -
N/A
app pub date -
Nov 27, 1996
filing date -
Nov 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to an unpleating system for machines for molding, filling, and automatic closing of flexible-film-based wrappings, characterized by the fact that it comprises two units capable of sequenced travel toward and away from the transverse welding plane, which units each hold at least one flexible jack bearing a pulling mechanism, the jack being slanted in relation to the transverse welding plane and the direction of travel of the units so that at the time of approach of the units toward the transverse welding plane, the jacks will be retracted and the pulling mechanisms automatically moved toward the outside.
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