| 摘要 |
This patent relates to a machine for heat-sealing two sheets of material together while moving along a track. The machine is provided with heat-sealing wheels, a support for a sheet or material carried by the machine, an edge-guide assembly for guiding a second sheet of material external to the machine into position to be sealed to the sheet carried by the machine, supports for strips of material to be utilized in sealing, and means for laterally adjusting all such parts to align them with the external sheet.
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