发明名称 |
METHOD AND APPARATUS FOR FORMING A CONTAINER PAN |
摘要 |
<p>A method and apparatus are disclosed for forming a drawn container pan having planar side walls and smooth curved corner walls the upper edges of which are formed with an outwardly directed peripheral stacker ledge and an upstanding rim, and wherein the pan is formed by drawing the peripheral edge of a blank between clamping surfaces under selected pressure differential at the portions of the blank forming the side and corner walls of the pan. A method and apparatus are also disclosed for trimming the drawn pan and forming stacking protuberances adjacent the corners of the pan.</p> |
申请公布号 |
CA1062965(A) |
申请公布日期 |
1979.09.25 |
申请号 |
CA19770278341 |
申请日期 |
1977.05.13 |
申请人 |
KRAFT, INC. |
发明人 |
MILLER, ROLAND E.;SCALETTA, JOSEPH A.;VALEK, JOHN |
分类号 |
B21D22/26;B65D1/26;(IPC1-7):21D51/22 |
主分类号 |
B21D22/26 |
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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