Processo de fixação de um tubo elastomérico no interior de um sulco anular

pneumático incorporando concavidade externa contendo tubo de junção. em termos gerais, a invenção se refere a um pneumático de borracha incorporando uma concavidade externa anular contendo um tubo flexível aglutinado às paredes da concavidade. A pneumatic tire comprising a pneumatic cavity and an outer circumferential tread (2), spaced apart bead portions, two sidewalls (8) individually connecting said bead portions with the periphery said tread (2) and comprising a sidewall rubber composition, and a carcass supporting said tread (2) and said sidewalls (8) is disclosed. At least one of said sidewalls (8) contains at least one groove (9) and said groove (9) contains an elastomeric tube (3) within said groove (9). The tube (3) is secured within said groove (9) with a preferably sulfur cured rubber composition (11) contained in said groove (9), wherein the cured rubber composition (11) communicates with one or more walls of said groove (9) and with said tube (3). Also, a method of securing an elastomeric tube (3) within a preferably annular groove (9) contained in a sidewall (8) of a pneumatic tire (1) is disclosed as well as a method of making a tire (1) is disclosed.