| 摘要 |
PURPOSE: A zipper pack opening device is provided to easily mount without adding a complex mechanical device because all the main units for opening zipper packs are embedded in a housing not to be exposed to the outside. CONSTITUTION: A zipper pack opening device comprises a pair of inner fingers(30), a first opening unit, a pair of outer fingers(40), and a second opening unit. The inner fingers are arranged above a position where zipper packs are fed and the bottom parts of the inner fingers are widened and narrowed. The first opening unit makes the inner fingers be widened and narrowed. |
