Reversible pressure sealer rollers

Details Reversible pressure sealer rollers Reversible pressure sealer rollers

1991-11-04

1992-07-28

Bueker, Richard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

1564415, 156556, 156579, 100 93RP, B32B 3100

Patent

active

051338289

ABSTRACT:
A pressure sealer for sealing pressure sensitive adhesive strips on business forms has only a single set of sealing rollers forming a nip. One roller is gear driven by a D.C. motor, and a spring applies a biasing force to press the rollers into contact with each other. A forward sensor and a reverse sensor are positioned just before the nip of the rollers, in a support surface for business forms, and cooperate with a computer chip to control the motor to drive a business form in a first direction between the rollers, until it has almost completely passed through the nip. Then the motor is reversed to drive the business form through the nip again in a second direction opposite the first direction. The business form is manually fed to, and removed from, the nip.

REFERENCES:
patent: 3027285 (1962-03-01), Eisner et al.
patent: 3484325 (1969-12-01), Pendleton
patent: 5080751 (1992-01-01), DeWan

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