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    • 3. 发明公开
    • CRUMPLING MECHANISM FOR CREATING DUNNAGE
    • 缩小机制创造协同效应
    • EP2470360A2
    • 2012-07-04
    • EP10752230.2
    • 2010-08-27
    • Pregis Innovative Packaging, Inc.
    • WETSCH, Thomas, D.TEGEL, Robert
    • B31D5/00
    • B31D5/006B31D5/0052B31D2205/0041B31D2205/0064B31D2205/007B31D2205/0082B31D2205/0088
    • A dunnage crumpling apparatus is provided having first and second entry-side crumpling members and first and second exit-side crumpling members. The first and second entry-side crumpling members define an entry therebetween. The first and second exit-side crumpling members define an exit therebetween that is disposed along the longitudinal path downstream of the entry. A crumpling zone being defined between the entry and exit. The first entry-side crumpling member is configured for moving at an first rate and is associated with the second entry-side crumpling member for moving sheet material through the entry in a first direction along a longitudinal path at an entry rate. The first exit-side crumpling member is configured for moving at an second rate and is associated with the second exit-side crumpling member for moving the sheet material through the exit in the first direction along the path at a exit rate that is slower than the entry rate to crumple the sheet material for producing dunnage. The entry and exit-side crumpling members are displaced laterally along the path with respect to each other to cause shearing of the sheet within the crumpling zone.
    • 一种具有第一和第二入口侧起皱元件(302,304)以及第一和第二出口侧起皱元件(306,308)的垫料起皱装置(10)。 第一和第二入口侧起皱构件在其间限定入口。 第一出口侧折皱构件和第二出口侧折皱构件之间限定出口,所述出口沿入口下游的纵向路径设置。 在入口和出口之间限定了起皱区(310)。 第一入口侧起皱构件(302)构造成用于以第一速率移动并且与第二入口侧起皱构件(304)相关联,用于沿着入口处的纵向路径沿第一方向移动片材穿过入口 率。 第一出口侧起皱构件(306)构造成以第二速率移动并且与第二出口侧起皱构件(308)相关联,用于沿着出口处的路径沿第一方向移动片材通过出口 这个速度比进入速率要慢,以便将垫料折成垫料生产。 入口和出口侧起皱构件沿路径相对于彼此横向移动,以引起褶皱区内片材的剪切。