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
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