发明名称 |
UN PROCEDIMIENTO Y UNA PIEZA DESBASTADA PRIMARIA PARA EL DESBASTADO UNIVERSAL PRIMARIO DE DICHA PIEZA EN UNA O VARIAS PALABRAS. |
摘要 |
<p>The primary blank 1, which is to be transformed into a finished rail by means of universal passes, edging passes and a finishing pass, is characterized by a symmetric ' UPSILON ' section the thickness of which always varies in the same way. It is designed to be shaped exclusively in open grooves. This primary blank 1 is roughed in a specific manner in a universal stand and undergoes a strong forging which improves the quality of the finished rail. A secondary blank is then formed which has a special shape allowing the production by universal rolling of a very accurate profile of the finished rail.</p> |
申请公布号 |
ES517017(D0) |
申请公布日期 |
1984.01.16 |
申请号 |
ES19170005170 |
申请日期 |
1982.11.02 |
申请人 |
SACILOR (SOCIETE ANONYME) |
发明人 |
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分类号 |
B21B1/10;B21B1/08;B21B1/085;B21B1/46;(IPC1-7):21B1/08 |
主分类号 |
B21B1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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