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    • 13. 发明公开
    • FAHRZEUGLUFTREIFEN
    • EP3383669A1
    • 2018-10-10
    • EP16763530.9
    • 2016-09-13
    • Continental Reifen Deutschland GmbH
    • BROCKMANN, JürgenDIENSTHUBER, FranzSENG, Matthias
    • B60C11/03
    • The invention relates to pneumatic vehicle tires for passenger vehicles, in particular for use under winter driving conditions, comprising a tread which is segmented by grooves (1), in particular diagonal grooves or transverse grooves, and by circumferential grooves (2) in profiled blocks (3, 4) which are provided with a respective number of incisions (5, 6, 7) and which have shoulder-side profiled blocks (3). Grooves (1) run at an angle of 60° to 85° relative to the circumferential direction in the shoulder-side profiled blocks (3), the incisions (6, 7) extend at least substantially parallel to the grooves (1), and at least two incisions (6) have a width of 0.4 mm to 0.6 mm. Each diagonal groove (1) together with the profiled blocks (3, 4) directly adjoining the diagonal groove forms a pitch (P1, P2, P3). The pitches (P1, P2, P3) are provided in at least two different pitch lengths and have correspondingly different circumferential lengths (L1, L2, L3) at the edge of the ground contact area of the tire. At least two incisions (6) with a width of 0.4 mm to 0.6 mm and an additional incision (7), which has a width of 1.1 mm to 2.7 mm, between two of said incisions (6) run in the shoulder-side profiled blocks (3) with pitches (P2, P3) with a circumferential length (L2, L3) of at least 28 mm.
    • 19. 发明公开
    • FAHRZEUGLUFTREIFEN
    • EP3383672A1
    • 2018-10-10
    • EP16777553.5
    • 2016-09-19
    • Continental Reifen Deutschland GmbH
    • BROCKMANN, JürgenDIENSTHUBER, FranzSENG, Matthias
    • B60C11/03B60C11/11
    • The invention relates to a pneumatic vehicle tire for passenger vehicles, comprising a directional tread pattern formed by diagonal grooves (1) that run in a V-shape as main grooves. The diagonal grooves (1) run from one tread half slightly over the circumferential central line of the tread into the other tread half where each diagonal groove opens into a diagonal groove (1) from the other tread half, such that sub-regions of positive profiles protrude out of each tread half into the other tread half. The diagonal grooves (1) together with the positive profiles arranged between the diagonal grooves form identically designed profile structures or pitches (Pi, P2, P2) over the tire circumference, said profile structures or pitches being provided in at least two different circumferential lengths. A mutual offset (v) of the diagonal grooves (1) of a pitch (Pi, P2, P3) is formed in each pitch (Pi, P2, P3) along the circumferential central line (M-M) of the tread, said offset being the mutual distance between the diagonal groove (1) which first arrives at ground level in the circumferential central line (M-M) upon rolling during forwards travel and the next diagonal groove which arrives at ground level. The tread is designed such that the offset v is calculated according to the following relationship and is the same size in all of the pitches (Pi, P2, P3): v =

      u
      2 x n, wherein U is the circumference of the tire along the circumferential central line in mm, and n is the number of pitches P over the tire circumference. The maximum deviation is ± 2 % of the pitch length of the shortest pitch.