B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/32 (2006.01) A01F 15/07 (2006.01) A61J 1/03 (2006.01) B29C 55/02 (2006.01) B29C 55/04 (2006.01) B65B 11/00 (2006.01)
Patent
CA 2700668
The present invention relates to a prestretched agricultural stretch wrap film which is used for baling applications when packaging for example grass, maize, sugar beet pulp, malt, straw, household refuse and the like. The prestretched agricultural stretch wrap film according to the present invention is produced by prestretching a polyethylene-containing co-extruded blown film, which comprises at least two layers joined to one another, in the longitudinal direction by at most 70%, so that it still retains an elongation capability in the longitudinal direction of at least 310% or so that a force is to be exerted on said film of less than 6 N in order to stretch the film by 75% in the longitudinal direction.
La présente invention se rapporte à un film étirable agricole pré-étiré qui est utilisé dans des applications de mise en balle pour emballer par exemple de l'herbe, du maïs, de la pulpe de betterave, du malt, de la paille, des déchets ménagers et similaires. Le film agricole pré-étiré selon la présente invention est produit en pré-étirant un film soufflé co-extrudé contenant du polyéthylène, qui comprend au moins deux couches reliées l'une à l'autre. Le film est pré-étiré de 70 % dans la direction longitudinale, de telle sorte qu'il subsiste toujours une capacité d'élongation dans la direction longitudinale de 310 % au moins ou de telle sorte qu'il faille exercer sur ledit film une force inférieure à 6 N afin d'étirer le film de 75 % dans la direction longitudinale.
Combipac Bv
Robic
LandOfFree
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