基本信息:
- 专利标题： 가늘고 긴 중공체의 축 형성을 위한 장치 및 방법
- 专利标题（英）：Device and method for the axial forming of elongated hollow bodies
- 专利标题（中）：延长中空体轴向形成的装置和方法
- 申请号：KR1020107001927 申请日：2007-06-29
- 公开(公告)号：KR101188576B1 公开(公告)日：2012-10-05
- 发明人： 브로치하우저,울리히 , 제르케,안드레아스
- 申请人： 게케엔 드리펠린 인터나쇼날 게엠베하
- 申请人地址： Hauptstrasse ***, ***** Lohmar, Germany
- 专利权人： 게케엔 드리펠린 인터나쇼날 게엠베하
- 当前专利权人： 게케엔 드리펠린 인터나쇼날 게엠베하
- 当前专利权人地址： Hauptstrasse ***, ***** Lohmar, Germany
- 代理人： 청운특허법인
- 国际申请： PCT/EP2007/005799 2007-06-29
- 国际公布： WO2009003498 2009-01-08
- 主分类号： B21C37/16
- IPC分类号： B21C37/16 ; B21D41/00 ; B21K1/10
The present invention relates to an apparatus and method for a shaft formed of an elongated hollow body, said apparatus comprising at least one receptacle (3), reduction die 4, the elongated hollow so as to pass through a reduction die into shaft 7 direction the expansion mandrel gatchumyeo means for limiting the punch (5), expansion mandrel 6 and the axial displacement of the punches to press the body 2, the punch and the expansion mandrel is movable on the same axis, are arranged inside the punch, wherein the hollow body is reduced to a first diameter in the first portion (9) in the same direction as a result of movement of the punch and the expansion mandrel 10 is first in the second portion 11 and the second It is expanded to a diameter (12).
公开/授权文献:
- KR1020100025585A 가늘고 긴 중공체의 축 형성을 위한 장치 및 방법 公开/授权日：2010-03-09
信息查询:
EspacenetIPC结构图谱:
| B | 作业；运输 |
| --B21 | 基本上无切削的金属机械加工；金属冲压 |
| ----B21C | 用非轧制的方式生产金属板、线、棒、管或型材；与基本无切削金属加工有关的辅助加工 |
| ------B21C37/00 | 不包含在其他类目中的金属板、棒、线、管或类似零件的半成品的制造；特殊形状管的制造 |
| --------B21C37/06 | .管或金属软管的；用于制造管的组合加工程序，如多壁管的制造 |
| ----------B21C37/15 | ..特殊形状管的制造；管接头的制造 |
| ------------B21C37/16 | ...纵向变直径管的制造 |