Method and apparatus for laminating foil to a substrate

Details Method and apparatus for laminating foil to a substrate Method and apparatus for laminating foil to a substrate

B - Operations, Transporting

32

B

154/37, 154/38

B32B 37/12 (2006.01) B32B 15/08 (2006.01) B32B 37/10 (2006.01)

Patent

CA 1245140

z. 413 US ABSTRACT OF THE DISCLOSURE: A thin foil or film is laminated to a substrate with an adhesive layer therebetween thicker than the surface roughness of the substrate, the laminating and drying of the adhesive being effected with the foil contacting a smooth contact surface under a contact pressure, the rate of heat input to dry the adhesive and the pressure on the back of the substrate being controlled to maintain the vapour pressure at the interface between the film and the adhesive above atmospheric and below the contact pressure so that the foil surface of the finished laminate is as smooth as the contact surface.

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