发明名称 |
METHOD FOR PRODUCING CARDBOARD AND CARDBOARD PRODUCT |
摘要 |
A method is disclosed method for manufacturing a cardboard product comprised of at least two layers, the method comprising the step of bonding the separa te webs of paper or cardboard by an adhesive into a combination product. At lea st one of the webs is worked mechanically by embossing so that the permanent deformations appear projecting outwardly from at least one surface of said a t least one web to a height not making the web thickness to exceed 3 mm. The method is further applicable to the manufacture of a cellulosic-fiber- containing cardboard or paper product for manufacturing a multilayer cardboa rd grade comprising at least two adhesively bonded layers, whereby the product is worked mechanically so as to make permanent three-dimensional deformations o n the product material to a height not making the product thickness to exceed 3 mm. |
申请公布号 |
CA2450506(A1) |
申请公布日期 |
2003.01.16 |
申请号 |
CA20022450506 |
申请日期 |
2002.06.26 |
申请人 |
M-REAL OYJ |
发明人 |
KAJANTO, ISKO;MATTILA, JORMA;SUKSI, HANNU;RINTAMAEKI, TAISTO |
分类号 |
B31F5/04;B31F1/07;B32B3/26;B32B3/28;B32B7/12;B32B29/08;(IPC1-7):B31F5/04 |
主分类号 |
B31F5/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|