B - Operations – Transporting – 43 – K
Patent
B - Operations, Transporting
43
K
B43K 19/02 (2006.01) B43K 19/16 (2006.01)
Patent
CA 2730854
The invention relates to a writing, drawing, decorating or cosmetic pencil comprising a colour-delivering, polymer-bonded lead and a polymerbonded wood substitute material, the wood substitute material at least partly covering or surrounding the lead along its length, there being disposed, between the lead and the wood substitute material, at least one adhesion promoter layer, the lead and the wood substitute material each comprising at least one polymer, the at least one polymer in the lead being incompatible with the at least one further polymer in the wood substitute material, and the at least one adhesion promoter layer coupling on the one hand to the at least one polymer in the lead and on the other hand to the at least one further polymer in the wood substitute material.
L'invention concerne un crayon pour écrire, dessiner, colorier ou de maquillage, comportant une mine à liaison polymère destinée à l'application de couleurs et un matériau de substitution du bois à liaison polymère, ce matériau de substitution du bois recouvrant ou entourant au moins partiellement la mine sur sa longueur, au moins une couche adhésive étant disposée entre la mine et ledit matériau de substitution du bois. L'invention est caractérisée en ce que la mine et le matériau de substitution du bois comportent chacun au moins un polymère, le ou les polymères de la mine étant incompatibles avec le ou les polymères du matériau de substitution du bois, et la ou les couches adhésives étant couplées d'une part au(x) polymère(s) de la mine et d'autre part au(x) polymère(s) du matériau de substitution du bois.
Arthen Simone
Delapierre-Kohl Christine
Herbolsheimer Johannes
Jakob Martin
Lang Harald
J.s. Staedtler Gmbh & Co. Kg
Ridout & Maybee Llp
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