Method and laminator for rapidly laminating assorted plastic env

Details Method and laminator for rapidly laminating assorted plastic env Method and laminator for rapidly laminating assorted plastic env

1993-01-07

1998-02-10

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

156555, 1565831, 100 93RP, B32B 3100

Patent

active

057164908

ABSTRACT:
A low mass heater is disclosed for rapid heat-up having thin arcuate heater portions adjacent the rollers and separated therefrom by a narrow gap for injecting heat into peripheral portions of the rollers. These arcuate portions may be ductile and have slots therein for adjusting the gap, and also include finger members for self-cleaning of the rollers. A notch is formed in a heater portion for easy lamination of a perfect binder of a booklet. Also, the laminator casing is shaped in the form of a dome having air passage slots therein, which eliminates the need for a cooling fan for the electronic components of the laminator. The dome shape also provides a large sloping surface for an ergonomic control arrangement. After lamination of a first batch of plastic envelopes requiring high laminating temperatures, a second batch requiring low temperatures can be immediately laminated without waiting for cooling down of the heater, by increasing the angular drive roller velocity. The effective temperature of lamination is thus varied yet the temperature in the perfect binder slot remains constant.

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patent: 4818168 (1989-04-01), Battisti
patent: 5073076 (1991-12-01), Parkhill et al.

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