发明名称 |
CONTROLLED SPIN FLOW FORMING |
摘要 |
<p>A system and apparatus for roll forming to neck-in D/AI cans ends and replace double necks and triple necks is disclosed. An externally disposed free roll is moved inward and axially against the outside wall of the open end of a trimmed can. A spring loaded interior support roller moves under the forming force of the free roll. This is a single operation where the can rotates and the free roll rotates such that a smooth conical necked end and flange are produced.</p> |
申请公布号 |
CA1237340(A) |
申请公布日期 |
1988.05.31 |
申请号 |
CA19840463465 |
申请日期 |
1984.09.18 |
申请人 |
BALL CORPORATION |
发明人 |
BRESSAN, RENATO J.;HALASZ, ANDREW;MACCHERONE, LAWRENCE S. |
分类号 |
B21D19/08;B21D17/04;B21D19/04;B21D51/26;(IPC1-7):B21D51/26 |
主分类号 |
B21D19/08 |
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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