发明名称 |
METHOD AND APPARATUS FOR EXTRUSION |
摘要 |
<p>METHOD AND APPARATUS FOR EXTRUSION An improved method for carrying out an extrusion is provided, wherein an extrusion material in a flowable state is passed through a die under a pressure to impart a desired shape thereto, and comprises carrying out the extrusion while the die is resonated by an ultrasonic wave in such a manner that the resonance occurs at an n wavelength, wherein n is m/2 and m is a positive integer. Further, an apparatus suitable for carrying out this extrusion method is provided.</p> |
申请公布号 |
CA2003457(A1) |
申请公布日期 |
1990.05.24 |
申请号 |
CA19892003457 |
申请日期 |
1989.11.21 |
申请人 |
IDEMITSU KOSAN CO., LTD.;SEIDENSHA ELECTRONICS CO., LTD. |
发明人 |
FURUSAWA, TOSHIHIRO;SATOH, ATSUSHI;NAKAJIMA, TAKASHI;MATSUGISHI, NORIAKI |
分类号 |
B29C47/08;B29C47/00;B29C47/12;(IPC1-7):B29C47/12 |
主分类号 |
B29C47/08 |
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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