发明名称 |
Deep drawn paperboard container and process for making it |
摘要 |
Disclosed is a deep drawn paperboard container and a process for making it. The container has an inner wall comprising a water impermeable layer coated on a specific paperboard substrate. The deep drawn container is greater than about 1.375 inches deep, has a radius of curvature of its bottom corners of less than about 7/8 inches and an angle of inclination of its side walls of less than about 20 DEG from the vertical.
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申请公布号 |
US4026458(A) |
申请公布日期 |
1977.05.31 |
申请号 |
US19750562810 |
申请日期 |
1975.03.27 |
申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
MORRIS, JERALD A.;SIEGELE, JOHN C. |
分类号 |
B31F1/00;B65D1/28;(IPC1-7):B65D5/20 |
主分类号 |
B31F1/00 |
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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