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    • 7. 发明申请
    • DUNNAGE CONVERSION SYSTEM AND METHOD FOR EXPANDING PRE-SLIT SHEET STOCK MATERIAL
    • 破坏转换系统和扩展预剥片材料的方法
    • WO2016137740A1
    • 2016-09-01
    • PCT/US2016/017064
    • 2016-02-09
    • RANPAK CORPORATION
    • CHEICH, Robert
    • B31D5/00
    • B31D5/0052B31D1/0031B31D5/0047B31D5/0065B31D2205/0017B31D2205/0023B31D2205/0047
    • A dunnage conversion system (20) for expanding an unexpanded slit sheet stock material (23) to form an expanded dunnage product (26). The dunnage conversion system includes a converging chute (28) to inwardly gather laterally-extending edges of sheet stock material towards one another, causing random crumpling of the sheet stock material to form a modified ply. The conversion system also includes feed wheels (120) that advance the modified ply through the converging chute and pinch rollers (122) that cooperate with the feed wheels to expand the modified ply traveling between the feed wheels and the pinch rollers to form a dunnage product. The expanded dunnage product is expanded both in a longitudinal feed direction and in thickness as compared to the unexpanded slit sheet stock material, and thus is a three-dimensional product having increased volume and lower density per unit of length as compared to the unexpanded slit sheet stock material.
    • 一种用于膨胀未膨胀的狭缝片材料(23)以形成膨胀的垫料产品(26)的衬垫转换系统(20)。 垫料转换系统包括会聚斜槽(28),以将片材原料的横向延伸的边缘朝向彼此向内收集,导致片材原料的随机褶皱形成改性层。 所述转换系统还包括进给轮(120),所述进给轮(120)通过所述会聚滑槽推进所述经修改的帘布层和与所述进给轮协作的夹送辊(122),以使在所述进给轮和所述夹送辊之间行进的所述修改的帘布层膨胀以形成垫料产品 。 与未膨胀的狭缝片材原料相比,膨胀的垫料产品在纵向进给方向和厚度方面均膨胀,因此与未膨胀的狭缝片相比,具有增加的体积和每单位长度的密度较低的三维产品 库存材料。