Density control through lamination

Details Density control through lamination Density control through lamination

2005-01-18

2005-01-18

Lorengo, J. A. (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S240000, C156S247000, C156S272200, C156S289000, C427S148000, C428S195100, C428S914000, C101S034000, C430S126200, C430S143000

Reexamination Certificate

active

06843875

ABSTRACT:
The invention is a process for forming a press proof (190) by forming an imaged receiver sheet (140) comprising a first thermoplastic layer (240) and a first support layer (160) by disposing an image (290) with a first density on the first thermoplastic layer (240) by using a laser thermal transfer (220); forming a pre-laminate comprising a second thermoplastic layer (250) and a second support layer (170); laminating the pre-laminate (260) to a medium and removing the second support layer (170) forming a supported pre-laminate (270); laminating the imaged receiver sheet (140) to the supported pre-laminate (270) changing the density of the image to a second density using a temperature that exceeds the glass transition point of the thermoplastic layer (230) and a speed of between 10 and 40 inches per minute forming a supported color proof (310); and removing the first support forming a color proof (300).

REFERENCES:
patent: 5053381 (1991-10-01), Chapman et al.
patent: 5300398 (1994-04-01), Kaszczuk
Creativepro.com, “Agfa Introduces SherpaMatic Duplex Proofing System”, Sep. 6, 2003, available at http://www.creativepro.com/story
ews/14387.html.

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