Apparatus for heat sealing paperboard substrates using a uniform

Details Apparatus for heat sealing paperboard substrates using a uniform Apparatus for heat sealing paperboard substrates using a uniform

1996-03-07

1997-11-25

Dixon, Merrick

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156251, 156253, 264284, 264134, B32B 3100

Patent

active

056907753

ABSTRACT:
This invention relates to a method and apparatus for heat sealing polymer coated paperboard substrates using a uniform energy distributed light energy beam. Such structures of this type, generally, use lasers which allow a very accurate placement of the sealing energy and a controllable energy level.

REFERENCES:
patent: 3677868 (1972-07-01), Boggs
patent: 3791856 (1974-02-01), Duling et al.
patent: 3945873 (1976-03-01), Osborn
patent: 3963820 (1976-06-01), Blakey
patent: 4149288 (1979-04-01), Sendor et al.
patent: 4291087 (1981-09-01), Warburton, Jr.
patent: 4540392 (1985-09-01), Junod et al.
patent: 5011709 (1991-04-01), Arbogast et al.

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