Process for laminating a cover sheet on each side of a blank and

Details Process for laminating a cover sheet on each side of a blank and Process for laminating a cover sheet on each side of a blank and

1997-04-17

1999-08-31

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156312, B32B 3100

Patent

active

059449365

ABSTRACT:
An apparatus and method for laminating a blank (1) with an upper cover sheet (3) on an upper side thereof and a lower cover sheet (6) on a lower side thereof wherein each of the sheets (3,6) and blank (1) are attached to each other with glue and under pressure, and wherein during a run the blank (1) is laminated on an upper and lower side thereof with one cover sheet (3,6) each.

REFERENCES:
patent: 4288274 (1981-09-01), Holz
patent: 4493743 (1985-01-01), Lunding
patent: 4624719 (1986-11-01), Volbel et al.
patent: 4897147 (1990-01-01), Inselmann
patent: 5316609 (1994-05-01), Guither et al.

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