FIELD: transport.
SUBSTANCE: invention relates to tread of tires to be used in winter. Block central side has two open grooves while closed grooves are made on both sides of tire open grooves in circumferential direction. Depth of open grooves makes 50-70% of the depth of first circumferential main groove while depth of closed groove makes 105-140% of open groove depth.
EFFECT: good performance on ice, rigidity of blocks.
7 cl, 2 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PNEUMATIC TIRE | 2009 |
|
RU2454332C1 |
| PNEUMATIC TYRE | 2013 |
|
RU2601504C1 |
| PNEUMATIC TIRE | 2010 |
|
RU2424912C1 |
| TIRE | 2021 |
|
RU2809419C1 |
| PNEUMATIC TIRE | 2012 |
|
RU2581978C2 |
| PNEUMATIC TIRE | 2017 |
|
RU2712396C1 |
| PNEUMATIC TIRE | 2017 |
|
RU2714801C1 |
| SPIKED TIRE | 2014 |
|
RU2621824C2 |
| PNEUMATIC TIRE | 2011 |
|
RU2526573C2 |
| PNEUMATIC TIRE | 2019 |
|
RU2758158C1 |
