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1. 发明授权

US3948427A Apparatus for driving a length of wire, rod or other elongated body through a workpiece for example for riveting 失效
标题翻译：用于通过工件驱动长度的线，杆或其他细长体的装置，例如用于铆接
公开(公告)号：US3948427A
公开(公告)日：1976-04-06
申请号：US509745
申请日：1974-09-27
申请人： Derek George Wilson Claydon , Gilbert George Hill
发明人： Derek George Wilson Claydon , Gilbert George Hill
IPC分类号： B21J15/02 , A43D69/12 , B27F7/00
CPC分类号： B21J15/02 , B21J15/025 , Y10T29/49833 , Y10T29/49943 , Y10T29/53774
摘要： A riveting apparatus comprises first and second dies having plane forward end faces for gripping a workpiece over a substantial area round the location to be riveted. The dies have aligned bores which open to said end faces and which are the same as each other in cross section, and a punch and a plunger corresponding to the shape of the bores are slidably mounted in the bores of the first and second dies respectively. A hydraulic piston operates the punch and the forward movement of the punch along the bore of the first die can be terminated by a stop selectively either with the punch and flush with or a predetermined distance short of the end face of the first die. The plunger can be moved hydraulically along its bore toward the punch. In operation of the apparatus, a headless pin is driven through an imperforate workpiece and thereafter each end of the pin is upset while the pin is prevented from moving lengthwise of itself relative to the workpiece.
摘要翻译：铆接装置包括具有平面前端面的第一和第二模具，用于在待铆接的位置周围的实质区域上夹持工件。模具具有对应于所述端面开口并且在横截面上彼此相同的对准的孔，并且与孔的形状相对应的冲头和柱塞分别可滑动地安装在第一和第二模具的孔中。液压活塞操作冲头，并且冲头沿着第一模具的孔的向前运动可以通过选择性地与冲头一起停止而与第一模头的端面短于预定距离。柱塞可以沿其孔液压地朝向冲头移动。在该装置的操作中，无头销被驱动穿过无孔工件，此后，销的每个端部都被压扁，同时防止销相对于工件自身的长度方向移动。

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