Film side sealing apparatus with closed-loop temperature control of a heater

Film side sealing apparatus with closed-loop temperature control of a heater

A side sealing apparatus for a shrink packaging machine comprising closed loop temperature control of a heater for maintaining an optimum temperature for cutting and sealing two layers of thermoplastic film. The heater comprises a cable or cartridge heater with an internal thermocouple, and it is co...

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Hauptverfasser: James, Frank A, Lindberg, Jeffrey C, Manfredi, Charles, Davitt, Richard
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Sprache:eng
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creator James, Frank A
Lindberg, Jeffrey C
Manfredi, Charles
Davitt, Richard
description A side sealing apparatus for a shrink packaging machine comprising closed loop temperature control of a heater for maintaining an optimum temperature for cutting and sealing two layers of thermoplastic film. The heater comprises a cable or cartridge heater with an internal thermocouple, and it is connected to an automatic temperature controller. The heater is mounted on the side sealer apparatus between two sets of top and bottom V-belts mounted around drive rolls and idler rolls. The V-belts provide nip pressure against the film in order to drive the film. Nip pressure is generated by nip rolls on the scrap side of the film, and by belt support plates on the package side of the film.
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title Film side sealing apparatus with closed-loop temperature control of a heater
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