公开(公告)号：US4345358A

公开(公告)日：1982-08-24

申请号：US120621

申请日：1980-02-11

申请人： Dmetrios Petkidis

发明人： Dmetrios Petkidis

IPC分类号： B21H7/06

CPC分类号： B21H7/06 ,  Y10T29/27

摘要： An improved method of and apparatus for manufacturing plowshares that enables the plowshare bending and shaping operations to be performed with precision in a succession of reciprocal movements while minimizing the need for preforming or treatment of the material from which the plowshare is made prior to placement in the plowshare machine, which method and apparatus is further characterized by a capability of working sheet material of different thicknesses, and which utilizes hydraulic power cylinders.

摘要翻译： 一种用于制造犁头的改进方法和设备，其能够在一系列往复运动中精确地进行犁耕弯曲和成型操作，同时最小化对在预先加工或处理在放置在 犁机，该方法和装置的特征还在于具有不同厚度的片材的加工能力，并利用液压动力缸。