Method and apparatus for detecting a seal on a plastic bag

Details Method and apparatus for detecting a seal on a plastic bag Method and apparatus for detecting a seal on a plastic bag

B - Operations, Transporting

65

B

B65B 43/04 (2006.01) B26D 5/34 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B31B 19/74 (2006.01) B31B 41/60 (2006.01) B65B 51/16 (2006.01) B65B 61/02 (2006.01) B65D 57/00 (2006.01)

Patent

CA 2220464

A method and apparatus for registration of a seal to a perforation on a plastic bag include a drum for forming a seal on a continuous plastic film and a downstream perforator/cutting station for forming a perforation on the film with respect to the location of the seal. The perforation is properly registered to the seal by sensing the seal location directly, with a seal sensor located near the perforator/cutting station.

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