Synchronized drive for heat sealing roller anvils

Details Synchronized drive for heat sealing roller anvils Synchronized drive for heat sealing roller anvils

1979-08-27

1981-07-28

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156555, 1565801, 1565831, 1565835, B30B 1530, B32B 3120

Patent

active

042808650

ABSTRACT:
This invention relates to a mechanism for effecting the synchronized rotation of a rotary anvil employed in a heat sealing operation on thermoplastic sheet material with the linear movement of the thermoplastic sheet moving under the rotating anvil. One specific application of the invention is the heat sealing of the lateral edges of a thermoplastic sheet wrapped around a battery plate. The linear movement of the mechanism carrying the wrapped battery plate is utilized to rotate the rotary heat sealing anvil in exact synchronism with the movement of the wrapped battery plate beneath the anvil.

REFERENCES:
patent: 2117452 (1938-05-01), Robinson
patent: 3737361 (1973-06-01), Obeda
patent: 3808080 (1974-04-01), Parry
patent: 3840420 (1974-10-01), Sarcia
patent: 4164833 (1979-08-01), Todd

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