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    • 4. 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。
    • 8. 发明申请
    • DUNNAGE CONVERSION WITH YIELD-ENHANCED PAPER
    • 带有增强纸张的DUNNAGE转换
    • WO2010006165A2
    • 2010-01-14
    • PCT/US2009050097
    • 2009-07-09
    • RANPAK CORPCARLSON DANIEL L
    • CARLSON DANIEL L
    • B31D5/00
    • B31D5/0047B31D2205/0017B31D2205/0035Y10T428/24967Y10T428/31982
    • A method of converting a sheet stock material into a relatively less dense dunnage product includes the step of supplying the sheet stock material to a conversion mechanism for converting the sheet stock material into the dunnage product by permanently deforming the sheet stock material into a nonplanar configuration to provide the dunnage product with a density less than the density of the stock material from which it is formed. The sheet stock material comprises one or more plies of paper having a caliper no less than about 3.5 points (about 0.089 millimeter) or a bulk caliper no less than about 3.4 points (about 0.086 millimeter) for a basis weight no greater than about 32 pounds (about 86 grams per square meter) and when a moisture content is no greater than about 10%.
    • 将片材原料转换成相对较不密集的衬垫产品的方法包括将片材原料供应到转换机构的步骤,该转换机构通过将片材原料永久变形为非平面构型而将片材原料转化为垫料, 为垫料产品提供的密度小于其形成的原料的密度。 片材原料包含一层或多层厚度不小于约3.5磅(约0.089毫米)的厚度的纸,或不大于约3.4磅(约0.086毫米)的不超过约3.4磅 (约86克/平方米),当含水量不大于约10%时。