Shrink film labeling with polyurethane hot melts

Details Shrink film labeling with polyurethane hot melts Shrink film labeling with polyurethane hot melts

1992-03-10

1993-10-12

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 85, 156 86, 156325, 1563317, B32B 3126

Patent

active

052521559

ABSTRACT:
A process for applying heat shrink film to containers comprising the steps of a) coating at least a portion of a heat shrinkable but unshrunken film segment with a reactive hot melt polyurethane adhesive having a free isocyante content greater than 2% and a viscosity less than 3000 cps at 225.degree. F.; b) applying the film to the longitudinal surface of the container; and, c) subjecting the container to heat to shrink the film onto the container so as to permanently affix it thereto.

REFERENCES:
patent: 3235433 (1966-02-01), Cvacho et al.
patent: 3542229 (1970-11-01), Beyerlein et al.
patent: 3604584 (1971-09-01), Shank, Jr.
patent: 3659394 (1972-05-01), Hartleib et al.
patent: 3734273 (1973-05-01), Watanabe
patent: 3822459 (1974-07-01), Amberg et al.
patent: 3931077 (1976-01-01), Uchigaki et al.
patent: 4108710 (1978-08-01), Hoffmann
patent: 4126238 (1978-11-01), Rausing
patent: 4138026 (1979-02-01), Conklin
patent: 4568580 (1986-02-01), Ghirardello et al.
patent: 4618651 (1986-10-01), Gilch et al.
patent: 4704173 (1987-11-01), Hoffman
patent: 4762748 (1988-08-01), Oberle
patent: 4775719 (1988-10-01), Markevka et al.
patent: 4808255 (1989-02-01), Markevka et al.
patent: 4844957 (1989-07-01), Hoffman
patent: 4966805 (1990-10-01), Ezawa et al.
patent: 5021507 (1991-06-01), Stanley et al.
patent: 5091239 (1992-02-01), Przeworski et al.
patent: 5175032 (1992-12-01), Steele et al.

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