Transverse sealer for packaging machine
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United States of America Patent
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-
Sep 20, 1994
Grant Date -
N/A
app pub date -
Feb 5, 1993
filing date -
Oct 3, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A transverse sealer for a packaging machine has a pair of seal jaws for sealing a film after it is made into the shape of a bag by a former and the bag is filled with articles to be packaged. The pair of seal jaws are disposed on opposite sides of the path of the film and downstream to the former. A pair of rotary arms supporting these seal jaws is moved towards and away from each other such that the seal jaws move in straight trajectories along the path of the film and is so controlled that the compressive force between the seal jaws can be maintained at a specified level according to the thickness and material property of the film.
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