Tread for a pneumatic tire having block elements with sipes

Details Tread for a pneumatic tire having block elements with sipes Tread for a pneumatic tire having block elements with sipes

B - Operations, Transporting

60

C

B60C 11/12 (2006.01)

Patent

CA 2205794

A tread for WINTER tires consists of elastomeric material extending in a circumferential direction around the axis of rotation of the tire. The tread includes several grooves which extend circumferentially and a multitude of grooves which extend laterally between a pair of shoulders, delimiting elastomeric blocks. The elastomeric blocks include sipes delimiting two opposing surfaces within the blocks. The sipes may define a portion of a cylindrical surface over at least part of their radial and lateral area.

Bande de roulement pour pneus d'hiver fabriquée en élastomère s'étendant dans une direction circulaire autour de l'axe de rotation du pneu. La bande de roulement comporte plusieurs rainures qui s'étendent en circonférence et de nombreuses rainures qui s'étendent sur le côté entre deux épaulements, délimitant des blocs élastomériques. Les blocs élastomériques comprennent des lamelles délimitant deux surfaces opposées à l'intérieur des blocs. Les lamelles peuvent définir une partie d'une surface cylindrique par-dessus au moins une partie de leur région radiale et latérale.

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