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.
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
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