ENERGIZING METHOD FOR WELDING ROLLER OF HIGH-FREQUENCY SEWING MACHINE, IN WELDING AND JOINING EQUIPMENT FOR VINYL FILM AND THE LIKE
PURPOSE:To improve working efficiency by making welding and joining of a vinyl film reliable and smooth, by minus or plus potential of a high-frequency oscillator always stably to the outside circumference of a pressurizing roller or a high-frequency sewing machine through a brush and conductor. CON...
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