A tread block arrangement (200) suitable for a tire (100) or for a tread band (150) for a tire (100). The tread block arrangement (200) comprises a tread block (220, 222, 224, 240, 242, 244, 230, 250, 210, 212, 214, 216, 218) that limits a first primary sipe (420). The first primary sipe (420) comprises at least a first deep part (424 1 ) and a second deep part (424 2 ) separated from the first deep part (424 1 ) by a first shallow part (422 1 ). A depth (d2 1 ) of the first deep part (424 1 ) is at least three times a depth (d1) of the first shallow part (422 1 ) and a depth (d2 2 ) of the second deep part (424 2 ) is at least three times the depth (d1) of the first shallow part (422 1 ). The first deep part (424 1 ) is limited in a longitudinal direction (LS) of the first primary sipe (420) by a primary first end wall (E1i) and a secondary first end wall (E2 1 ) such that a first angle (± 1 ) between the primary first end wall (E1i) and the secondary first end wall (E2 1 ) is from 1 degree to 30 degrees. The second deep part (424 2 ) is limited in a longitudinal direction (LS) of the first primary sipe (420) by a primary second end wall (E1 2 ) and a secondary second end wall (E2 2 ) such that a second angle (± 2 ) between the primary second end wall (E1 2 ) and the secondary second end wall (E2 2 ) is from 1 degree to 30 degrees.
СИСТЕМА ПРОТЕКТОРНОГО БЛОКА, СОДЕРЖАЩАЯ ЩЕЛЕВИДНУЮ ПРОРЕЗЬ
25.06.2020
Patent
Elektronische Ressource
Russisch
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