发明名称 LASER SCORING OF PACKAGING SUBSTRATES
摘要 <p>An easy tear open feature is provided to packages, such as pouches or fold and seal packages, by providing said packages with at least two substantially parallel, substantially linear or straight laser scores across the width of the package, preferably adjacent to at least one seal. Such packages, for containing food such as juice concentrates or cake mixes, or for containing soap, are disclosed. Methods and apparatus for making such easy tear open packages are also disclosed.</p>
申请公布号 CA2046458(C) 申请公布日期 2003.10.14
申请号 CA19912046458 申请日期 1991.07.08
申请人 AMERICAN NATIONAL CAN COMPANY 发明人 GUCKENBERGER, ANTHONY
分类号 B23K26/067;B23K26/40;B29C35/08;B29C37/00;B29C59/00;B32B27/08;B32B27/32;B65D75/58;B65D85/36;(IPC1-7):B65D75/62;B65B61/02 主分类号 B23K26/067
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