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    • 8. 发明申请
    • METHOD OF MAKING PLASTIC PLATE
    • 制造塑料板的方法
    • WO1996011786A1
    • 1996-04-25
    • PCT/US1995012730
    • 1995-10-12
    • SOLO CUP COMPANYCLEMENTS, Jack
    • SOLO CUP COMPANY
    • B29C53/34
    • B65D1/34A47G19/03B29C57/125B29L2031/7404B65D21/0233
    • Molded plastic plates (50, 50a, 50b) having a rolled edge rim (56, 56a, 56b) and a method of rolling the edges (60) of the molded plastic plates (50, 50a, 50b). The plastic plates (50, 50a, 50b) are pre-molded with lugs (58) that project outwardly from the sides (54) of the plates (50, 50a, 50b). The lugs (58) of one plate (50, 50a, 50b) contact the rim (56) of the next successive plate (50, 50a, 50b) in a stack of plates (50, 50a, 50b) to create a gap (68) between the plates (50, 50a, 50b) stacked one on top of another. The gap (68) allows each individual plate (50, 50a, 50b) to be picked up by the threads on a plurality of threaded rollers which press on the rim (56) of the plate (50, 50a, 50b) to form the rolled edge (60).
    • 具有轧制边缘(56,56a,56b)的成型塑料板(50,50a,50b)以及轧制模塑塑料板(50,50a,50b)的边缘(60)的方法。 塑料板(50,50a,50b)被预先模制有从板(50,50a,50b)的侧面(54)向外突出的凸耳(58)。 一个板(50,50a,50b)的凸耳(58)与下一个连续的板(50,50a,50b)的边缘(56)接触在一叠板(50,50a,50b)中以产生间隙 在彼此堆叠的板(50,50a,50b)之间。 间隙(68)允许每个单独的板(50,50a,50b)被多个螺纹辊上的螺纹拾取,所述螺纹辊压在板(50,50a,50b)的边缘(56)上,以形成 卷边(60)。