Impulse sealer

Details Impulse sealer Impulse sealer

1978-01-30

1982-11-16

Culver, Horace M.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156498, 1565832, 53548, 53373, 62 5, 62331, 219243, B65B 5114, B65B 5132

Patent

active

043593615

ABSTRACT:
Layers of heat sealable material are pressed between opposed jaws, cut through, and simultaneously the edges along each side of the cut line are sealed using an improved impulse sealer and method wherein a narrow, internal cooling vein(s) or channel(s), defined near the working interface of the jaws, is cooled by a pressurized stream of refrigerated gas to provide forced cooling to the sealed edges during the cooling portion of the sealing cycle.

REFERENCES:
patent: 2621704 (1952-12-01), Langer
patent: 2714416 (1955-08-01), Fener
patent: 2796914 (1957-06-01), Park
patent: 2961031 (1960-11-01), Fener
patent: 3026681 (1962-03-01), Green
patent: 3173273 (1965-03-01), Fulton
patent: 3340129 (1967-09-01), Grevich
patent: 3389033 (1968-06-01), Ullman, Jr.
patent: 3496049 (1970-02-01), Anderson
patent: 3692613 (1972-09-01), Pederson
patent: 3942330 (1976-03-01), Schroder

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