Process for manufacturing laminated wrapping paper

Details Process for manufacturing laminated wrapping paper Process for manufacturing laminated wrapping paper

1997-08-20

1999-12-28

Johnstone, Adrienne C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156277, 156290, 156291, 156292, 1563084, 229 8708, 428 343, 428 354, 428 366, 428486, B32B 704, B32B 906, B32B 3112, B32B 3120

Patent

active

060076666

ABSTRACT:
According to the present invention, a laminar wrapping paper is provided comprising first and second paper layers or laminae. Each lamina has an inside surface coated with a barrier coating. The layers are laminated by heat lamination, wherein the barrier coatings are melted together, or by providing an adhesive between the coated inside surfaces. The lamination may be accomplished in a selective or discontinuous manner in order to form air pockets within the laminar structure to increase the insulation characteristics of the wrapping paper. A plasticizer is applied to the outside surface of the first lamina. Graphic designs or lettering may be printed on the outside surface to identify the wrapped product or for purposes of decoration. The present invention is also directed at a process and apparatus for manufacturing the laminar wrapping paper described herein. First and second webs of paper are unrolled and passed through coating apparatus to coat one side of each web with a barrier coating. An adhesive is applied to one of the coated sides of the webs to laminate the webs together, or alternatively heat lamination is performed using a hot roll. A plasticizer is then applied to the outer side of the first web.

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