发明授权
US08783325B2 Longitudinal continuous welding device for packaging machines 有权
包装机纵向连续焊接装置

Longitudinal continuous welding device for packaging machines
摘要:
A longitudinal continuous welding device for packaging machines includes structural features aimed at enabling it to act continuously on opposite sides of layers of material to be welded, joining and welding them continuously, as they pass through the inside of the welding device, while the device remains static, without the possibility of movement in the direction in which the layers of material to be welded advance.
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