Pneumatic tire and method of producing the same

Details Pneumatic tire and method of producing the same Pneumatic tire and method of producing the same

B - Operations, Transporting

60

C

B60C 19/12 (2006.01) B60C 5/14 (2006.01) C09K 3/12 (2006.01)

Patent

CA 2457542

A pneumatic tire that does not require mending a puncture outside the car and that prevents leakage of air without entailing an weight increase or the aggravation of riding comfort as found in a conventional puncture-less tire; and a method of producing the same. This pneumatic tire has a rubber-like thin film applied to the inner surface thereof, which film has a breaking extension of not less than 900% and a tensile strength of not less than 15 MPa. The rubber-like thin film is in the form of a dried thin film of latex.

L'invention concerne un pneumatique n'exigeant pas la réparation d'une crevaison à l'extérieur du véhicule automobile et empêchant les fuites d'air sans impliquer une augmentation de poids ni une détérioration du confort au roulement comme c'est le cas avec un pneumatique classique à crevaison retardée. L'invention concerne également son procédé de production. Un mince film de type caoutchouc qui est appliqué sur la surface interne de ce pneumatique, a un allongement de rupture de maximum 900 % et une résistance à la traction de minimum 15 Mpa. Le mince film de type caoutchouc a la forme d'un mince film latex séché.

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