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Cords for reinforcing heavy vehicle tires
   
Document Number
US Patent 7089726
Issued Date
August 15, 2006
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Inventors
Barguet; Henri (Les Martres-d'Artiere,FR)
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Abstract
A cable is disclosed that can be used to reinforce a crown protection ply and/or a stiffener (9) in tires for heavy industrial vehicles. Also disclosed are composite fabrics that can be used as crown protection plies and/or as stiffeners (9) in such tires, and the tires themselves. The cable comprises three strands twisted together in helix of pitch p2, each consisting of two metallic wires twisted together in helix of pitch p1, these wires having diameters (d1, d2), (d1', d2'), (d1'', d2'') for the strands, respectively, such that the cable satisfies the following conditions: TABLE-US-00001 (i) 0.25 < d1 < 0.45 (ii) 0.25 < d2 < 0.45 (iii) 0.25 < d1' < 0.45 (iv) 0.25 < d2' < 0.45 (v) 0.25 < d1'' < 0.45 (vi) 0.25 < d2'' < 0.45 (vii) 2 < p1 < p2 < 10.
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Number of Claims:
18
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Published
August 15, 2006
Application Number
11/102,128
Filed
April 7, 2005
US Classification
57/237  
Int'l Classification
D02G   3/28   (20060101)  
Examiner
Parent Case
RELATED APPLICATIONS This is a continuation of International Application No. PCT/EP2003/011111, filed on Oct. 8, 2003, which claims priority from French Patent Application No. 02/12701, filed on Oct. 11, 2002, the content of which is hereby incorporated by reference.
Priority Data
Oct 11, 2002 [FR] 02 12701
USPTO Field of Search
57/211   57/236   57/237   57/238   57/902  
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