Method for the packaging of articles with a film of plastic material
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United States of America Patent
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Apr 6, 2010
Grant Date -
Jan 17, 2008
app pub date -
Jul 9, 2007
filing date -
Jul 17, 2006
priority date (Note) -
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Abstract
Method for the packaging of articles with a plastic film which is based on the use of a packaging machine equipped with transverse welding devices arranged along a longitudinal direction where the method involves the steps of (a) positioning the articles on a conveyor belt with pushers activated by a motor; (b) distancing the articles from one another to provide a constant space or pitch; (c) feeding the plastic film, in the direction of the conveyor belt; (d) longitudinally welding the film in the direction articles on the conveyor belt; (e) activating the motor group situated downstream with respect to the welding device to weld and separate the film in the space between articles; and (f) activating the motor group of the welding device situated upstream with respect to another welding device to weld and separate the film in the space between the articles.
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