发明名称 |
Metod att framställa ett papper med ett tredimensionellt mönster |
摘要 |
Method of producing paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (12) comprising a rotatable roll (13) which is heated and that the paper web when passing through the press nip is given a three-dimensional pattern either by means of a pattern wire (11) and/or by the fact that the heated roll (13) is provided with a three-dimensional pattern, and where the wet paper web (10) before entering said press nip (12) is given a basis weight variation in a non-random pattern. |
申请公布号 |
SE512947(C2) |
申请公布日期 |
2000.06.12 |
申请号 |
SE19980003358 |
申请日期 |
1998.10.01 |
申请人 |
SCA RESEARCH AB |
发明人 |
HOLGER *HOLLMARK;LENNART *REINER;THOMAS *BILLGREN;KAVEH *TONDKAR;MATS *SOEDERBERG;BENGT *JAERREHULT |
分类号 |
D21F9/00;D21F3/00;D21F3/02;D21F5/00;D21F11/00;D21H11/08;D21H21/20;(IPC1-7):D21F11/00 |
主分类号 |
D21F9/00 |
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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