发明名称 |
Method and apparatus for forming end panels for containers |
摘要 |
A method of forming a container end panel having a countersink radius and a chuckwall including preforming the radius and the chuckwall so that the chuckwall includes a straight wall portion tangent to the radius and reforming and reducing the radius without tooling restraint while holding pressure against the straight wall area. Apparatus for performing the method includes a punch core and a cooperating die core ring having complimental geometry for forming the chuckwall and radius configuration. The article formed by the method and apparatus includes an end panel having a straight wall portion between the normal tapered wall portion and countersink radius.
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申请公布号 |
US4715208(A) |
申请公布日期 |
1987.12.29 |
申请号 |
US19860924981 |
申请日期 |
1986.10.30 |
申请人 |
REDICON CORPORATION |
发明人 |
BULSO, JR., JOSEPH D.;MCCLUNG, JAMES A. |
分类号 |
B65D8/04;B21D51/44;B29C69/02;B29D99/00;(IPC1-7):B21D51/44 |
主分类号 |
B65D8/04 |
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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