Longitudinal sealer for packaging machine

Details Longitudinal sealer for packaging machine Longitudinal sealer for packaging machine

1994-01-27

1995-11-07

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

533744, 533762, B65B 5126, B65B 5116, B65B 5118, B65B 908

Patent

active

054638500

ABSTRACT:
A form-fill-seal type combined bag maker and packaging machine uses of a longitudinal sealer to seal together mutually overlapping side edges of an elongated bag-making material wrapped around a loading cylinder in a tubular form. The longitudinal sealer has a sealing unit with a heater supported by a mobile member which can be selectably moved linearly or rotationally such that the sealing unit can be not only correctly positioned but also properly oriented with respect to the loading cylinder currently installed on the packaging machine. The mechanism for moving the sealing unit is supported on an elongated member rotatably supported by the packaging machine so as to be easily moved away when the loading cylinder is removed and replaced by another of a different kind.

REFERENCES:
patent: 3779836 (1973-12-01), Henry et al.
patent: 4084999 (1978-04-01), Rucker
patent: 4136505 (1979-01-01), Putnam, Jr. et al.
patent: 4219988 (1980-09-01), Shanklin et al.
patent: 4555289 (1985-11-01), Kreager

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