Computer controller heat-sealing machine

Details Computer controller heat-sealing machine Computer controller heat-sealing machine

1992-05-11

1994-06-21

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

1565831, 1565838, 100 50, B32B 3100, G05G 1500

Patent

active

053225864

ABSTRACT:
A computer controlled, laboratory heat-sealing machine is employed as a quality control device to ensure that adequate heat seals are formed under pre-defined and outputted pressure, dwell time and temperature parameters. The apparatus includes sensors for monitoring temperature and pressure conditions throughout the sealing dwell period. The clamping pressure is constantly adjusted to be maintained at a preset level by sensing the clamping pressure and controlling the top heat-sealing bar through an eccentrically driven crankshaft linkage. Load cell arrangements for monitoring pressure in high and low pressure ranges are also disclosed.

REFERENCES:
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patent: 3706177 (1972-12-01), Willett
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patent: 4713047 (1987-12-01), Klinkel
patent: 5115735 (1992-06-01), Gloe et al.
patent: 5231923 (1993-08-01), Ohta et al.
"Sealer Calibration", Food Processing, Jan. 1990.

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