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    • 1. 发明公开
    • METHOD TO MAKE CLAMPING LEVERS AND CORRESPONDING PLANT
    • VERFAHREN ZUR HERSTELLUNG VON KLEMMHEBELN SOWIE ENTSPRECHENDE ANLAGE
    • EP2952289A1
    • 2015-12-09
    • EP15170920.1
    • 2015-06-05
    • Vega S.r.l. Societa' Unipersonale
    • Voltolina, Elia
    • B23P15/00B21D53/36B21C35/02A43C11/14
    • A43C11/1406B21C23/142B21C35/026B21D53/36B23P15/00
    • Method to make clamping levers (11) for sports footwear which comprises at least a working of at least one extruded section shape (12) provided with at least one hole (13) made through along the longitudinal extension of the extruded section shape (12) and in its thickness, making at least an external perimeter edge (17) of the clamping lever (11) during the working. The external perimeter edge (17) defines part of a pivoting end (37) of the clamping lever (11), and the pivoting end (37) is made on the extruded section shape (12) in correspondence to the at least one hole (13). The method comprises:
      - a first shearing operation to make at least a first through incision (40) in the extruded section shape (12) which, during use, defines at least a first surface portion (20) of the external perimeter edge (17), the first surface portion (20) not comprising the pivoting end (37);
      - a cutting operation, by removal of material, in order to separate the clamping lever (11) from the extruded section shape (12) and to define in the clamping lever (11) second surface portions (22) which define the pivoting end (37).
    • 至少包括至少一个具有至少一个孔(13)的至少一个挤出型材(12)的工作的运动鞋的夹紧杆(11)的方法,所述至少一个孔(13)沿所述挤出部分形状(12)的纵向延伸形成, 并且在其厚度期间,在加工期间至少形成夹紧杆(11)的外周边缘(17)。 外周边缘(17)限定夹紧杆(11)的枢转端部(37)的一部分,并且枢轴端部(37)对应于至少一个孔口(12)形成在挤压部分形状(12)上 13)。 该方法包括: - 第一剪切操作,以在挤出部分形状(12)中形成至少第一穿透切口(40),其在使用期间限定外周边缘(17)的至少第一表面部分(20) ),所述第一表面部分(20)不包括所述枢转端(37); - 切割操作,通过移除材料,以便将夹紧杆(11)与挤出的部分形状(12)分开并且限定在夹紧杆(11)中限定枢转端的第二表面部分(22) 37)。