Process and apparatus for producing laminated materials

Details Process and apparatus for producing laminated materials Process and apparatus for producing laminated materials

B - Operations, Transporting

29

C

B29C 43/28 (2006.01) B29C 35/16 (2006.01) B29C 43/24 (2006.01) B29C 43/30 (2006.01) B29C 43/52 (2006.01) B29C 47/88 (2006.01) B32B 15/08 (2006.01) B32B 37/20 (2006.01)

Patent

CA 2158997

A process and apparatus for producing laminated materials in which one or more polymer films are laminated to a metal strip by a combination of heat and pressure. Generally, polymer films are applied to both sides of the metal strip in a lamination nip which exerts a force of at least 15kN/m. The nip rolls may also be at different temperatures, either by one nip roll being of conducting material such as steel and the other nip roll being of insulating material, or by actively cooling one of the rolls. This enables films having different softening temperatures to be laminated simultaneously without risk of micro-blistering or of pick-up on the rolls.

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