Process for producing a multilayered film composite from thermop

Details Process for producing a multilayered film composite from thermop Process for producing a multilayered film composite from thermop

1994-05-11

1995-07-04

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156182, 156229, 1563096, 1563099, 156311, 1563082, 156322, 156324, B32B 3104, B32B 3108, B32B 3120, B32B 3122

Patent

active

054296960

ABSTRACT:
A temperature-controllable roller 1 is used as the sealing tool, on whose circumferential surface a plurality of plastic film webs are sealed together under the action of heat and pressure. The plastic film webs, which are conveyed about compression rolls, run at equal or different mutual distances onto the circumferential surface of the temperature-controllable roller. These compression rolls rest against the circumferential surface of the temperature-controllable roller and exert pressure onto the latter. The webs of plastic film run through the contact nips between the compression rolls and the temperature-controllable roller. The plastic film webs are provided on one or both sides with sealing layers, which are incipiently melted by the action of heat, so that a sealing of the plastic film webs in layers one on top of the other occurs on the circumferential surface of the temperature-controllable roller.

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