Plastics bags with clasp fastener at top - using thermo-welding cutting device for plastic web and ultrasonic welding cutting device for fastener

• 1. 一种带有顶部切割的加气块切割机 [P] . 中国专利： CN214687313U . 2021-11-12
• 2. 一种用于塑料网包装机的带有电热熔断功能的收卷装置 [P] . 中国专利： CN211494765U . 2020-09-15
• 3. Device for cutting, particularly for cutting and welding of thermoplastic plastic webs, comprises cutting wheel and axially parallel cylindrical counter wheel, particularly ultrasonic sonotrode wheel [P] . 德国专利： DE102009032654A1 . 2011-01-13

  机译： 用于切割，特别是用于切割和焊接热塑性塑料幅材的装置，包括切割轮和轴向平行的圆柱对轮，特别是超声波超声焊极轮

• 4. Plastics bag thermo-welding and cutting - machine [P] . 德国专利： DE1803844B2 . 1971-01-28

  机译： 塑料袋热熔切割机

• 5. Plastics bag thermo-welding and cutting - machine [P] . 德国专利： DE000001803844A . 1970-09-10

  机译： 塑料袋热熔切割机

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