Sealing jaw for heat sealable film with zippered section

Details Sealing jaw for heat sealable film with zippered section Sealing jaw for heat sealable film with zippered section

B - Operations, Transporting

31

B

93/62

B31B 27/14 (2006.01) B29C 65/18 (2006.01) B65B 51/30 (2006.01)

Patent

CA 2004529

A mechanism and method for seaming and joining overlaid sheets such as to form seams on adjacent bags by applying heated pressure sealing jaws to opposite sides of the overlaid sheets with the pressure being applied decreasingly inwardly away from the edges of the seam and cutting the seaming areas between them to separate the seamed portions so as to form edges of adjacent bags with the bags preferably having rib and groove upper fasteners extending outwardly to the edge of the seam.

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