Bag sealing bar

Details Bag sealing bar Bag sealing bar

B - Operations, Transporting

65

B

156/26, 154/29.1

B65B 51/30 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B65B 51/14 (2006.01) B29C 65/74 (2006.01)

Patent

CA 1252708

Abstract of the Disclosure A sealing bar for heat sealing a length of heat- sealable material, such as tubing, to form packages and the like. The sealing bar has a surface adapted for pressure engagement with the heat-sealable material for flattening it and heating it. A slot extends substantially through the bar adjacent the surface of the bar, thereby defining the portion of the bar between the slot and the surface as a relatively thin resiliently flexible bridge. The bridge is engageable with a portion of the flattened heat-sealable material, such as a portion of tubing having a longitudinal seam or a gusset, thicker than other portions of the heat-sealable material and the bridge is adapted resiliently to yield on engagement with the thicker portion of the material.

536052

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