Double sided lamination machine

Details Double sided lamination machine Double sided lamination machine

1990-10-02

1992-08-18

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

100 93RP, 156320, 156324, 156499, 156555, 1565831, 226 4, 226112, B30B 1534, B32B 3108, B32B 3120

Patent

active

051396009

ABSTRACT:
A laminating system includes a pair of pull rollers (18) for drawing laminating film (12) from supply rolls, over preheat rollers (30) and through a pair of heated laminating rollers (14). A motor (124) connected to a driver sprocket (128) drives a driven sprocket (132) connected to one of the pull rollers (18). A second sprocket (214) is connected to the pull roller (18) by a one-way bearing (220) and is coupled to a sprocket (210) attached to one of the lamination rollers (14). The ratios of the sprockets are set such that if the lamination roller (14) are rotating properly, the laminate product (112) drives them and the coupled pull roller sprocket (214) free-wheels. And, if the lamination rollers (14) slow down their rotational speed, the bearing (220) and the abutting second pull roller sprocket (214) engage, lock and drive the lamination roller sprocket (210) and lamination rollers (14).

REFERENCES:
patent: 2818904 (1958-01-01), Ambrose
patent: 3143454 (1964-08-01), Hannon
patent: 3239396 (1966-03-01), Bohannon, Jr.
patent: 3764441 (1973-10-01), Bley
patent: 4268345 (1981-05-01), Semchuck
patent: 4310365 (1982-01-01), Elliott et al.
patent: 4610747 (1986-09-01), Bregenzer

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