Low manufacturing cost presentation or security folder

Details Low manufacturing cost presentation or security folder Low manufacturing cost presentation or security folder

1992-10-22

1994-03-15

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

40359, 156226, 156227, 156292, 283109, 428 13, 428121, C09J 502

Patent

active

052942791

ABSTRACT:
Two plastic cover sheets, each of which would produce warping upon lamination by heat and pressure, are loosely affixed to a presentation folder paper core sheet to provide a plastic envelope. Graphic indicia bearing insert sheets can be laminated between both sides of the core sheet and the plastic cover sheets to provide an attractive display of the graphic indicia. Manufacturing costs are saved since anti-warpage backing sheets need not be face laminated to substantial areas of the folder sheet. Also, the plastic envelope sold to the user before lamination is not bowed in contrast to the prior art envelope. A security folder which is difficult to compromise, using carbonless paper, is also disclosed.

REFERENCES:
patent: 4185405 (1980-01-01), Giulie
patent: 4448834 (1984-05-01), Pohl
patent: 4456639 (1984-06-01), Drower et al.
patent: 4589942 (1986-05-01), Korinek
patent: 5100181 (1992-03-01), Nathans et al.

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