Method and Device for Connecting Two Flexible Material Layers
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Sep 13, 2005
filing date -
Sep 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The manufacture of a product comprising at least two flexible material layers (14, 15) which are connected to each other by means of an adhesive coating applied to mutually facing inner surfaces of the material layers (14, 15), wherein the material layers (14, 15) are pressed together and are then intermittently perforated, is successfully achieved in a simple manner by virtue of the fact that, simultaneously with the perforation, adhesive (16) is injected from at least one outer side of the material layers (14, 15) into the formed perforation holes, whereupon the adhesive (16) is conducted into the interspace between the material layers (14, 15).
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