Heat sealing of carton blanks in constructing or closing...

Details Heat sealing of carton blanks in constructing or closing... Heat sealing of carton blanks in constructing or closing...

B - Operations, Transporting

65

B

B65B 7/18 (2006.01) B29C 65/10 (2006.01) B31B 1/64 (2006.01) B65B 51/20 (2006.01)

Patent

CA 2073228

-24- HEAT SEALING OF CARTON BLANKS IN CONSTRUCTING OR CLOSING CARTONS ABSTRACT Carton packing machinery for the construction or closing of cartons including a heater for effecting heating in heat sealing operations. The heater comprises a nozzle with jets which direct heated gas on to portions of carton material intended too be sealed together. The jets direct the hot gas obliquely on to the material so that the areas to be heat sealed together can be more precisely defined compared to jets which direct hot gas transversely on to the material.

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