| 发明名称 |
Production of fibrous sheet material |
| 摘要 |
Foldable boxboard made by dry-laying cellulosic fibers and 1-10% starch. The boxboard has a weight of at least 210 g.s.m., a stiffness in the machine direction of at least 5.8 Kenley units, and a ratio of stiffness in the machine direction and in the cross-machine direction of substantially 1:1.
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| 申请公布号 |
US4097640(A) |
申请公布日期 |
1978.06.27 |
| 申请号 |
US19760751038 |
申请日期 |
1976.12.16 |
| 申请人 |
KARL KROYER ST. ANNE"S LIMITED |
发明人 |
CURRY, HAROLD GEORGE;ATTWOOD, BRIAN WILLIAM;WHITE, DEREK GRAHAM WALTER;CHRISTENSEN, JOHN MOSGAARD;KROYER, KARL KRISTIAN KOBS |
| 分类号 |
B65D65/38;D21F5/02;(IPC1-7):B32B29/00;B65D5/00 |
主分类号 |
B65D65/38 |
| 代理机构 |
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代理人 |
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| 主权项 |
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