| 发明名称 |
ROLL FORMING APPARATUS |
| 摘要 |
A roll forming apparatus for impressing upon a plate corrugation of finite length. Spaced longitudinally a predetermined distance are two synchronously operated roll couples for preliminary and finish forming. Each roll couple has complementary, circumferentially discontinuous, ribs and grooves spaced axially thereof.
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| 申请公布号 |
US3686917(A) |
申请公布日期 |
1972.08.29 |
| 申请号 |
USD3686917 |
申请日期 |
1971.04.06 |
| 申请人 |
TOYOTA CHUO KENKYUSHO:KK.;TOYOTA SHATAI KK. |
发明人 |
RYOTARO HIKIDA;TAIKICHI AWANO;ATSUSHI DANNO;YOSHIRO KOJIMA |
| 分类号 |
B21D17/04;B21D53/04;(IPC1-7):B21D5/16 |
主分类号 |
B21D17/04 |
| 代理机构 |
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代理人 |
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