In-line pressure sealer

Details In-line pressure sealer In-line pressure sealer

1995-12-26

1998-06-30

Crispino, Richard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156538, B32B 3120, B43M 504

Patent

active

057728410

ABSTRACT:
An in-line pressure sealer processes folded sheets with pressure sensitive adhesive into finished business forms. The in-line pressure sealer has pairs of infeed and outfeed rollers, each with a predetermined clearance therebetween. The clearances are adjustably set by means of screws coacting with a frame and with bearing blocks that rotatably mount the rollers. The infeed and outfeed clearances are adjustable independently of each other. The rollers of each pair are biased away from each other to maintain the clearances when no form is present between the rollers. The folded sheets are guided to the infeed rollers by a first cross-piece and to the outfeed rollers by a second cross-piece. A motor, acting through suitable pulleys and belts, drives the infeed and outfeed rollers.

REFERENCES:
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patent: 3623933 (1971-11-01), Staats
patent: 3737359 (1973-06-01), Levitan
patent: 5133828 (1992-07-01), Jacques
patent: 5167328 (1992-12-01), Vinson
patent: 5169489 (1992-12-01), Kalisiak et al.
patent: 5183527 (1993-02-01), Parker
patent: 5290385 (1994-03-01), Downing et al.
patent: 5397427 (1995-03-01), Traise et al.
patent: 5540806 (1996-07-01), Traise

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