Heat sealing and cutting mechanisms and container forming...

Details Heat sealing and cutting mechanisms and container forming... Heat sealing and cutting mechanisms and container forming...

B - Operations, Transporting

65

B

B65B 7/14 (2006.01) B29C 65/18 (2006.01) B29C 65/74 (2006.01) B65B 9/12 (2006.01) B65B 51/30 (2006.01) B65B 9/20 (2006.01)

Patent

CA 2284349

A heat sealing and cutting mechanism to form a heat seal and a cut across a tube of flexible packaging material includes a carrier extending across the tube. Heat sealing means is on said Garner to form a heat seal across the tube when the carrier is in contact with the tube. A first resistive wire on the Garner is energizeable to cut the tube when the carrier is in contact with the tube after the heat seal has been formed. In one embodiment, the heat sealing means is in the form of at least one second resistive wire on the carrier spaced from the first resistive wire. The at least one second resistive wire is energizeable to form a heat seal across the tube. In another embodiment, the carrier is in the form of a constant heat sealing bar thereby to constitute the heat sealing means.

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