发明名称 |
VERPACKUNGSMATERIAL MIT GUTER BEDRUCKBARKEIT UND WIEDERGEWINNBARKEIT, UND VERFAHREN ZU SEINER HERSTELLUNG |
摘要 |
<p>The invention pertains to a method for the manufacture of a packaging material (1; 21) for the production of packaging blanks and packages and comprising the steps of providing at least on surface layer (2, 2'; 22, 22') in the form of a continuous material web and substantially consisting of cellulosic fibres and applying a distance layer (3; 23) comprising a matrix material and reinforcement fibres thereto so that said surface layer (2, 2'; 22, 22') is bonded to said distance layer (3; 23). The matrix material in the distance layer (3; 23) is in an expandable state when it is applied to the surface layer (2, 2'; 22, 22') and is expanded in a separate process step, subsequent to the application step. The invention also concerns expandable packaging materials.</p> |
申请公布号 |
DE69907020(T2) |
申请公布日期 |
2004.02.12 |
申请号 |
DE1999607020T |
申请日期 |
1999.06.16 |
申请人 |
SCA PACKAGING MARKETING NV, ZAVENTEM |
发明人 |
JONASSON, ALF;THORNTON, JEFF |
分类号 |
B32B5/24;B65D65/46;(IPC1-7):B65D65/46;B32B5/18;B32B9/02 |
主分类号 |
B32B5/24 |
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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