Apparatus for separating laminated layers

Details Apparatus for separating laminated layers Apparatus for separating laminated layers

1977-11-14

1979-12-04

Goolkasian, John T.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

156344, B32B 3500, B32B 0712

Patent

active

041771044

ABSTRACT:
Laminate layers, such as a label and its liner, are separated by bending lengthwise-adjacent portions of the laminate end in opposite directions to cause shearing and lengthwise offset between the layers, and then releasing the end, the overall orientation being such that, upon release of the end, a differential in the forces that tend to straighten the layers drives apart the shear-weakened adhesive bond.

REFERENCES:
patent: 2422998 (1947-06-01), Adams et al.
patent: 2754994 (1956-07-01), Cole
patent: 3107814 (1963-10-01), Auger et al.
patent: 3266797 (1966-08-01), Stievenart
patent: 3487977 (1970-01-01), Andersson
patent: 3530494 (1970-09-01), Baratta
patent: 3793123 (1974-02-01), Aronson

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