Process for the manufacture of tires by molding and tires...

Details Process for the manufacture of tires by molding and tires... Process for the manufacture of tires by molding and tires...

B - Operations, Transporting

60

C

18/181, 152/87

B60C 9/18 (2006.01) B29D 30/06 (2006.01) B60C 9/20 (2006.01) B60C 9/26 (2006.01)

Patent

CA 1150016

ABSTRACT OF THE DISCLOSURE: A process of manufacturing tires having a crown reinforcement, which comprises filling a core mold with one or more liquid or pasty materials and solidifying the materials in the core mold. The process is characterized by, prior to the filling of the mold, deforming by expanding or contracting and then placing in the mold at least one annular net of suitable width, continuous in the circumferential direction of the tire and elastically deformable so that in deformed state its developed length is equal to the developed length of the crown reinforcement, said net being formed of two superimposed plies of wires parallel in each ply and crossed from one ply to the other at an angle at most equal to 90° with respect to the circumferential direction of the tire. At least the outside of the wires is formed of an elastic and weldable material permitting welding of the wires of one ply to those of the other ply at the points where they intersect. The net is placed in the mold with its edges equidistant from the equatorial plane of the tire. And a tire made by this process.

355057

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