Impulse heat-sealing machine

Details Impulse heat-sealing machine Impulse heat-sealing machine

1976-08-04

1977-10-25

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With timing means

156515, 156583, B32B 3100

Patent

active

040554562

ABSTRACT:
An impulse heat sealing machine for forming a liquid leakproof seal joining flexible thermoplastic resin films includes a platen which compresses the films under pressure, an etched foil heater carried by the platen and protected by a non-sticking sheet, and timers which determine the timing for the platen to compress the films, impulse heat seal the films, cool the joined films under pressure, and release the platen pressure.

REFERENCES:
patent: 3522133 (1970-07-01), Gross
patent: 3540972 (1970-11-01), Irwin et al.
patent: 3703427 (1972-11-01), Sellers et al.

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