Machine for packaging plural types of articles within a stretchable plastic film
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United States of America Patent
Stats
-
May 1, 1990
Grant Date -
N/A
app pub date -
May 4, 1988
filing date -
May 5, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine for packaging plural types of products inside a plastic stretchable film, including a bundling unit and a complete sealing unit. The bundling unit includes a device for longitudinally stretching a film web segment before wrapping it around the articles, a device for wrapping the stretched and tensioned film around the periphery of the articles, as well as a sealing device adapted to join both ends of the film segment which has been stretched and tightly wrapped around the articles to be packaged. The complete sealing unit includes a device for transversely stretching the side edges of the film segment used for bundling, protruding out of the sides of the bundled articles, and a device for sealing closed the film wrapping around the bundled articles.
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