发明名称 METHOD AND APPARATUS FOR PRODUCING STRETCH WRAP PLASTIC FILM
摘要 The present specification discloses a plastics material film (1) that is stretched beyond its yield point to about 100 % to 400 % elongation and thereafter only partially relaxed to release part of the elastic deformation component in the film to retain between about 20 % and 80 % of the elastic deformation in the film (1), the film thereafter being stored in this partially relaxed state whereby, when it is used, the retained elastic deformation capability is useable for the intende d purpose of the film, for example, wrapping a load.
申请公布号 CA2288903(C) 申请公布日期 2008.01.22
申请号 CA19982288903 申请日期 1998.05.01
申请人 FIRST GREEN PARK PTY. LTD. 发明人 JOHNSTONE, PETER
分类号 B29C55/02;A01F25/13;B29C47/00;B29C55/06;B29D7/01 主分类号 B29C55/02
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