Patent ID: 7041185
Filing Date: 2006-05-09
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; wherein forming the at least one carcass ply comprises: 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 strip length comprises: two mutually-axially-spaced-apart transition regions that are defined between the side portions and the crown portion, respectively; wherein the thread elements of the at least one second carcass ply are disposed according to a crossed orientation relative to the thread elements of the at least one first carcass ply; wherein the crown portions of the strip lengths are disposed consecutively in side-by-side relationship along a circumferential extension of the toroidal support, wherein edges of circumferentially consecutive strip lengths abut uniformly along their entire crown portions extending between the transition regions, wherein each side portion of the strip lengths covers in part or is partly covered by a side portion of at least one 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 strip lengths are not turned up around the first annular insert.