Method and apparatus for producing bags

Details Method and apparatus for producing bags Method and apparatus for producing bags

B - Operations, Transporting

31

B

93/62

B31B 11/00 (2006.01) B31B 19/98 (2006.01)

Patent

CA 1261663

A B S T R A C T Disclosed is the method and apparatus for producing thermoplastic bags from an elongate web. Apparatus for feeding the web includes devices for producing mounting holes and perforations along a circular path surrounding the holes. The web is severed and sealed to produce sheets containing a mounting hole encircled by the perforations. A selected number of successive sheets are impaled on a post projecting through the holes. A stack having a selected number of sheets is accumulated on a post fixed to a support supporting a medial zone of the sheets which are combined by a heated punch penetrating the sheets in the area enclosed by the perforations.

521730

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