Glue machine automatic rider roll

Details Glue machine automatic rider roll Glue machine automatic rider roll

1981-03-19

1982-11-23

Hoffman, James R.

Coating processes

Measuring, testing, or indicating

427 10, 118671, 118672, B05C 108, B05D 128

Patent

active

043605389

ABSTRACT:
The caliper of single face corrugated paperboard is measured and a caliper signal is generated. A gap signal is generated to represent the gap between a rider roll and an applicator roll. A value is subtracted from the caliper signal or a value is added to the gap signal to represent the desired compression of the paperboard as it passes between the rider roll and the applicator roll. A comparator compares the signals after one of the signals has been modified and generates a difference signal. A motor responsive to the difference signal is provided for adjusting the rider roll so as to maintain the gap at a preselected value with respect to the caliper of the board prior to its compression.

REFERENCES:
patent: 2876734 (1959-03-01), Nitchie
patent: 3110110 (1963-11-01), Forrester et al.

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