Method and apparatus for making bags

A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a first sealing zone, and an adjacent weakening zone. The weakening zone may be a heated perforator, inc...

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Hauptverfasser: WHITE CHRISTOPHER LEE, STICKNEY MICHAEL J, SAUCIER CHRISTOPHER A, JOHNSON ARVID R, LEITZKE TERRY L, SELLE PAUL A, PRELLWITZ GREGORY T, SCHMOLL BRADLEY J, JANSEN THOMAS C, RADTKE KENNETH C, SAUDER CHARLES H, JOHNSON PAUL A
Format: Patent
Sprache:eng
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