| 发明名称 |
SETT ATT FRAMSTELLA FLERSKIKTSKARTONG |
| 摘要 |
In order to opacify one side of a multi-ply paperboard comprised of a plurality of paper plies, pigment particles are spread between a pair of the plies. Pigment particles are preferably clay particles and are preferably spread immediately beneath the outermost ply at the one side of the board at a distribution of between 5 grams per square meter and 60 grams per square meter. |
| 申请公布号 |
SE418205(B) |
申请公布日期 |
1981.05.11 |
| 申请号 |
SE19740015365 |
申请日期 |
1974.12.09 |
| 申请人 |
* COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZ;ATION |
发明人 |
J D * COLEMAN |
| 分类号 |
D21F11/04;D21F1/00;D21H11/14;D21H17/67;D21H23/22;D21H23/48;D21H23/50;D21H27/30;D21H27/32;(IPC1-7):21F11/04;21H1/02 |
主分类号 |
D21F11/04 |
| 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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