Both a mold blade (10) for forming sipes and the sipe (20) so formed in a tire tread element (32', 32") have three-dimensional portions. In the formed sipe (20), the three-dimensional portion creates a constant interlocking of the opposing sipe faces. The ...

The lamella comprises a one-piece grid, net or grating with six or more end faces(2,3) protruding into the molding cavity of a tire vulcanizing tool. Some(3) end faces of the lamella are 0.1-0.5mm, preferably 0.3mm, thick. Other end faces(2) are 0.4-0.8mm,...

Both a mold blade (10) for forming sipes and the sipe (26) so formed in a tire tread element (24) have three dimensional portions. In the formed sipe (26), the three dimensional portion creates a constant interlocking of the opposing sipe faces. The blade ...

A truck steer tire (10) has a side groove (24, 240) that extends laterally inwardly from a treadwall (29) in a circumferentially continuous fashion. The side groove (24, 240) lies between the tread surface (26) and a belt reinforcing structure (15). The si...

The running tread for a pneumatic tire has rows of cup recesses, where the cup recesses (11a-f-15a-f) in each of their rows (XI-XV) are linked together by a channel (21-25), profile grooves or with an edge of the running tread. The cross section surface of...

The invention relates to a fine cut in the tread of a vehicle tire, preferably a winter tire, and to a vulcanization mold for manufacturing such a vehicle tire. The vulcanization mold, made of sheet metal or the like, has lamellae which imprint the cuts ac...

A pneumatic tyre comprises a tread portion (2) provided with tread grooves (G) defining a groove bottom (9S), and a mould parting line (ML) in the groove bottom, the mould parting line (ML) extending circumferentially of the tyre, wherein the groove bottom...