Abstract: Disclosed herein is an example of a tire, and arrangements of multiple tires for a heavy goods vehicle having a tread provided on one side of the equatorial median plane with a sculpture of a first kind and on the other side of the equatorial median plane with a sculpture of a second kind, the first kind of sculpture comprising at least three grooves of generally circumferential orientation. The tired disclosed herein is provided to avoid having to change tires at the change of season, notably of the arrival of winter, on a heavy goods vehicle and more particularly on the drive axles of the said vehicle for which these changes require additional work.

Abstract: Tire for a heavy goods vehicle having a tread provided on one side of the equatorial median plane with a sculpture of a first kind and on the other side of the equatorial median plane with a sculpture of a second kind, the first kind of sculpture comprising at least three grooves of generally circumferential orientation, these grooves delimiting at least two ribs of generally circumferential orientation, these ribs being provided with a plurality of sipes oriented transversely or substantially transversely, the second kind of sculpture comprising at least two grooves of generally circumferential orientation and a plurality of grooves of generally transverse orientation, these grooves delimiting a plurality of blocks, defined on each kind of sculpture is a ratio of surface recess, this tread being characterized in that the ratio of surface recess of the first kind of sculpture is equal to the ratio of recess of the second kind of sculpture.

Abstract: A tread (1) having a plurality of raised elements (5) provided with at least one first incision (10) and at least one second incision (20). Each first incision (10) comprises at least two non-planar parts (111) separated by an intermediate part (112). The non-planar parts exhibit a dual undulation, whereas the planar parts have a single undulation. Each second incision (20) comprises at least two non-planar parts (211) separated by an intermediate part (212). The non-planar parts (212) exhibit at least one undulation (2112) in the depth of the tread of maximum amplitude C, whereas each intermediate part (212) of the at least one second incision (20) has no deformation in relief.

Abstract: A tread (1) having a plurality of raised elements (5) provided with at least one first incision (10) and at least one second incision (20). Each first incision (10) comprises at least two non-planar parts (111) separated by an intermediate part (112). The non-planar parts exhibit a dual undulation, whereas the planar parts have a single undulation. Each second incision (20) comprises at least two non-planar parts (211) separated by an intermediate part (212). The non-planar parts (212) exhibit at least one undulation (2112) in the depth of the tread of maximum amplitude C, whereas each intermediate part (212) of the at least one second incision (20) has no deformation in relief.