F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
F41H 5/04 (2006.01)
Patent
CA 2650444
The invention relates to a multilayered material sheet comprising a consolidated stack of unidirectional monolayers of drawn polymer. The draw direction of two subsequent monolayers in the stack differs. Moreover the strength to thickness ratio of at least one monolayer is larger than 4.5.1013 N/m3. The invention also relates to a ballistic resistant article comprising the multilayered material sheet and to a process for the preparation of the ballistic resistant article.
L'invention porte sur une feuille de matériau multicouche comprenant une pile consolidée de monocouches unidirectionnelles d'un polymère étiré. Le sens d'étirement des deux monocouches suivantes de la pile diffère. De plus, le rapport résistance/épaisseur d'au moins une monocouche est supérieur à 4.5.1013 N/m3. L'invention porte également sur un article résistant aux balles comprenant la feuille de matériau multicouche, et sur son procédé de préparation.
Beugels Jean Hubert Marie
Calis Gijsbertus Hendrikus Maria
Dorschu Marko
Marissen Roelof
Mencke Jacobus Johannes
Dsm Ip Assets B.v.
Smart & Biggar
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