Process for producing a multilayered film composite from coextru

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

1993-10-22

1994-07-12

Ryan, Patrick J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156182, 156164, 156160, 264 16, 264 27, 2641761, 2642095, 26421112, 26421117, B29C 3100

Patent

active

053285360

ABSTRACT:
Along a plane sealing zone, a number of plastic film webs are sealed together under pressure and heat application. The plastic film webs run at equal or different distances from one another into the sealing zone and are guided over compression rolls. Between the compression rolls, which lie opposite each other in pairs, the plastic film webs are introduced and subjected to both pressure and heat. 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 in the sealing zone.

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