B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/16 (2006.01) B29B 13/02 (2006.01) B29C 51/42 (2006.01) B29C 71/02 (2006.01) B32B 27/36 (2006.01) B32B 27/40 (2006.01)
Patent
CA 2054758
THERMOFORMING METHOD ABSTRACT OF THE DISCLOSURE An adhesive-coated thermoplastic film is stretched and bonded to a three-dimensional substrate by vacuum thermoforming at a lower than normal temperature, at which the film has an elastic modulus of at least 109 dynes/cm2, followed by moderate heat treatment of the resulting laminated article The procedure is especially useful in avoiding air entrapment and peel-back in the thermoforming of a paint-coated film on exterior body panels for automobiles.
Harasta Louis Paul Jr.
Landis Newton Charles Merriman
Reafler Gerald George
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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