Patent ID: 7909953
Filing Date: 2011-03-22
Classification: B29D

Abstract:
1. A method of making a tire, the tire comprising a carcass structure and at least one circumferentially inextensible annular structure, comprising: forming at least one carcass ply of the carcass structure; forming the at least one annular structure; and applying the at least one annular structure to a region close to inner circumferential edges of the at least one carcass ply; wherein forming each carcass ply comprises: wherein each intermediate strip length comprises: wherein the crown portions of the intermediate strip lengths are disposed consecutively in side-by-side relationship along a circumferential extension of the toroidal support, wherein edges of circumferentially consecutive intermediate strip lengths abut uniformly along their entire crown portions extending between the transition regions, wherein each side portion of each intermediate strip length covers in part a side portion of a first circumferentially consecutive strip length and is partly covered by a side portion of a second circumferentially consecutive strip length, wherein forming the at least one annular structure comprises depositing at least one first elongated element in substantially concentric coils to form a first circumferentially inextensible annular insert, substantially in a form of an annulus, and wherein the respective side portions of the intermediate strip lengths are not turned up around the first annular insert.