Tubular film, device and method for producing the same
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United States of America Patent
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Feb 4, 2014
Grant Date -
Jun 28, 2007
app pub date -
Feb 13, 2004
filing date -
Feb 14, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process that is faster than conventional processes for manufacturing a film tube from a polymer and/or metal film material includes moving the film tube in relation to the joining tools during the joining process. Before the joining process of the film tube, the metal film material exists in the form of at least one film web. The edges of this film web are joined to one another in a joining process forming at least one longitudinal joint seam. During the joining process the film tube is moved in relation to the joining tools.
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