Laminated unit

Details Laminated unit Laminated unit

2007-08-14

2007-08-14

Shewareged, B. (Department: 1774)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S214000, C428S038000, C428S187000, C428S437000, C359S630000

Reexamination Certificate

active

10489699

ABSTRACT:
A laminated panel unit (1) comprising at least one image layer (3) between at least two panels (2), wherein for an area-contact gluing of the image layer (3) with neighboring panels (2), one intermediate adhesive layer (4, 4′) is provided on each side thereof, wherein the two intermediate adhesive layers and/or panels following each image layer (3) have a different thermal expansion behavior so that the image layer (3), due to the inhomogeneous laminate, is tensioned in case of temperature changes; as well as a method for producing a laminated panel unit (1), wherein the image layer (3) is connected with area contact on either side thereof with the panels (2) by using intermediate adhesive layers (4, 4′), the intermediate adhesive layers (4, 4′) and/or the panels (2) having a different thermal expansion behavior.

REFERENCES:
patent: 3912542 (1975-10-01), Hirano et al.
patent: 4976799 (1990-12-01), Wood
patent: 5595794 (1997-01-01), Cesar
patent: 6824868 (2004-11-01), Bell et al.
patent: 9201452 (1994-03-01), None
patent: 01 10273 (2002-09-01), None

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