Devices for supplying and transporting film for packaging apparatus
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United States of America Patent
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Apr 27, 1993
Issued Date -
N/A
app pub date -
Jun 23, 1992
filing date -
Nov 10, 1989
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A weighing-packaging-pricing apparatus has a roll supporting device to rotatably support a film roll, a film transporting device to pull a stretch film from this film roll and to transport a stretched film sheet to a packaging station, a weighting device for weighing and measuring the dimensions of an object on a tray to be packed while it travels to a lifter which lifts the object to the packaging station and pushes it against the stretched film sheet, and a folding device for folding edge sections of the film sheet to form a package. The film transporting device clamps side edge sections of the film pulled out of the film roll and adjusts the clamping positions automatically according to the position of the film roll.
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