发明名称 Film drive unit.
摘要 <p>A film drive unit for a packaging machine, the film drive unit has two endless belts which are driven by a stepping motor so that the bag material is driven at a predetermined velocity when the bag material is being sealed to form discrete bags.</p>
申请公布号 EP0165818(A2) 申请公布日期 1985.12.27
申请号 EP19850304419 申请日期 1985.06.20
申请人 TAYLOR, ALFRED ALEXANDER;NORTH, JOHN PAUL 发明人 TAYLOR, ALFRED ALEXANDER
分类号 B65B9/20;B65B9/207;(IPC1-7):B65B9/20 主分类号 B65B9/20
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