发明授权
US4622793A Movement-regulating mechanism for a sealing device 失效
密封装置的运动调节机构

Movement-regulating mechanism for a sealing device
摘要:
The invention is a mechanism for regulating the speed and stroke of a transverse sealing means for a vertical packing machine using tubular film. The mechanism comprises a cranking disc, and elongated transverse rod and a vertical rod, these members being connected adjustably to each other to regulate the movement of the transverse sealing means.
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