The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2014
Filed:
Jul. 23, 2009
Thibaud Pottier, Clermont-Ferrand, FR;
Henri Barguet, Les Martres d'Artiere, FR;
Thibaud Pottier, Clermont-Ferrand, FR;
Henri Barguet, Les Martres d'Artiere, FR;
Michelin Recherche et Techniques S.A., Granges-Paccot, CH;
Compagnie Generale des Etablissements Michelin, Clermont-Ferrand, FR;
Abstract
A metal cord (C-1) having two layers (Ci, Ce) of 3+N construction, rubberized in situ, comprising an inner layer (Ci) formed from three core wires () of diameter dwound together in a helix with a pitch pand an outer layer (Ce) of N wires () N varying from 6 to 12, of diameter d, which are wound together in a helix with a pitch paround the inner layer (Ci), said cord being characterized in that it has the following characteristics (d, d, pand pbeing in mm): 0.08<d<0.30; 0.08<d≦0.20; p/p≦1; 3<p<30; 6<p<30; the inner layer is sheathed with a diene rubber composition called a 'filling rubber' () which, for any length of cord of 2 cm or more, is present in the central channel () formed by the three core wires and in each of the gaps lying between the three core wires () and the N wires () of the outer layer (Ce); the content of filling rubber in the cord is between 5 and 35 mg per g of cord. Also disclosed is a multistrand rope comprising at least one two-layer cord, intended in particular for tires of industrial vehicles of the civil engineering type.