Impulse sealing apparatus

Details Impulse sealing apparatus Impulse sealing apparatus

1976-06-04

1978-02-28

Simpson, Othell M.

Package making

With cover-adjunct application or formation

By printing

53373, 62 5, 62331, 156498, 156583, 219243, B65B 5130, B65B 5114, B65B 912

Patent

active

040758184

ABSTRACT:
Impulse sealing apparatus having a forced cooling cycle following the impulse heating cycle, and comprising in combination, a vortex tube which converts a source of compressed gas at ambient temperature into a cold gas stream, a heat exchanger cooled by the cold gas stream generated by the vortex tube, a second source of pressurized ambient temperature gas communicating with the heat exchanger and cooled thereby, and means for removing the second source gas stream from the heat exchanger and communicating with the impulse sealer for supplying chilled gas thereto.

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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