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    • 3. 发明申请
    • Surface shaping of compressible cellular polymers with continuous rotary method
    • 可连续旋转法可压缩多孔聚合物的表面成形
    • US20060107806A1
    • 2006-05-25
    • US10997041
    • 2004-11-23
    • Jose Contreras
    • Jose Contreras
    • B26D1/00
    • B29C44/5654B26D3/281Y10T83/04
    • Apparatus and methods for cutting compressible cellular polymers such as polyurethane foam, are characterized by a first die roller and a pressure roller, wherein both rollers define raised portions separated by recesses or depressions, and the raised portions on the first die roller register with the recesses of the pressure roller at a nip formed between the rollers. Portions of the polymer material extruded into the spaces between the raised portions of the first die roller are cut away, such that the cut product conforms substantially to the surface geometry of the first die roller, and the depth of cut is greater than with prior rotary cutting methods.
    • 用于切割可压缩多孔聚合物如聚氨酯泡沫的装置和方法的特征在于第一模具辊和压力辊,其中两个辊限定由凹陷或凹陷分开的凸起部分,并且第一模具辊上的凸起部分与凹部对准 的压辊在辊之间形成的辊隙处。 挤出到第一模具辊的凸起部分之间的空间中的聚合物材料的部分被切掉,使得切割的产品基本上符合第一模具辊的表面几何形状,并且切割深度大于先前的旋转 切割方法。