TIRE TREAD AND PLATE TO BE FISED IN VULCANISATION FORM TO MAKE SLOT-LIKE CUT IN TIRE TREAD ASSEMBLY Russian patent published in 2010 - IPC B60C11/12 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Tire tread comprises at least one line of blocks arranged in tire periphery. Note here that at least one block is furnished with one or more profiled 3D slot-like cuts in radial direction. Note also that said profiled 3D slot-like cut is limited by aligned profiled surfaces formed by plate during vulcanisation. Each side of slot-like cut has the shape of dual zigzag line resembling Z-letter with its radial depth furnished with at least one shaped element (4) interrupting said zigzag surface in certain interval. Zigzag surface comprises parallel surfaces (1, 2) of ledges jointed by inclined wall (3). At least one of said parallel surfaces (1, 2) ledges in tangential direction is furnished with at least one shaped element formed by angular ledge limited in radial direction by walls (21, 22 and 24), while parallel surface of second ledge is furnished with angular recess limited in radial direction by walls (23, 25 and 26) at the same radial depth. Also invention relates to plate to be fixed inside vulcanisation form to make slot-like cut in tire tread block.

EFFECT: efficient contact of tire surface with road coating.

12 cl, 11 dwg