Modular ply tire with overlapping plies

• Main Authors: TRARES, KEITH CARL, NEUBAUER, ROBERT ANTHONY
• Format: Patent
• Language: English; French; German
• Published: 16.07.2014
• Subjects: DEVICES OR ARRANGEMENTS RELATED TO TYRES; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; VEHICLE TYRES; VEHICLES IN GENERAL

A tire carcass and a tire comprising such a carcass is disclosed. The carcass comprises a first ply (18) with a first shoulder portion (30) and a first lateral edge portion, the first lateral edge portion being wrapped around a first bead core (12); a carcass crown portion (14), the carcass crown portion (14) having a first edge (16) and a second edge (16'); and a second ply (34) with a second shoulder portion (30') and a second lateral edge portion, the second lateral edge portion being wrapped around a second bead core (12'), the first ply (18) extending beyond the first edge (16) of the carcass crown portion (14) and the second ply (34) extending beyond the second edge (16') of the carcass crown portion (14). The carcass (10) further has a center line perpendicular to the bead cores (12, 12'). The first ply (18) is at an angle of less than 85º with respect to the center line and the second ply (34) is at an angle of less than 85º with respect to the center line, or the first ply (18) is at an angle of less than -85º with respect to the center line and the second ply (34) is at an angle less than -85º with respect to the center line.