| 发明名称 |
VIBRATORY IMPACT BENDER |
| 摘要 |
This invention relates to the technique for the bending fabrication of an elongated hollow bar stock having an open slot extending over the whole length thereof by means of a first and a second rotary die element cooperating with each other into a hollow bend.
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| 申请公布号 |
US3683659(A) |
申请公布日期 |
1972.08.15 |
| 申请号 |
USD3683659 |
申请日期 |
1970.06.18 |
| 申请人 |
RYOTARO HIKIDA;TAIKICHI AWANO;JUNICHIRO ITOH;ATSUSHI DANNO;MASAO MATSUI;MITIGI INABA;MITUYUKI ISOGAI;AISIN SEIKI KK. |
发明人 |
RYOTARO HIKIDA;TAIKICHI AWANO;JUNICHIRO ITOH;ATSUSHI DANNO;MASAO MATSUI;MITIGI INABA;MITUYUKI ISOGAI |
| 分类号 |
B21D9/07;B21D11/22;(IPC1-7):B21D9/05 |
主分类号 |
B21D9/07 |
| 代理机构 |
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