PERFECTED NOISE KILLERS FOR TIRES Russian patent published in 2014 - IPC B60C11/04 B60C11/12 

Abstract RU 2521885 C1

FIELD: transport.

SUBSTANCE: tire has tread (1) including at least one groove (3) of circular orientation and multiple raised elements (21, 22). Note here that every said raised element comprises contact side (11) with crosswise width Lt and lateral walls (210). Note also that there is at least one raised element with multiple noise killing devices. Note that every said device has elongated cavity (4) of total volume Vc to open toward lateral wall (210). Note that said cavity features total length Lc larger than said length Lt and geometry that includes several interconnected parts (40, 41, 42, 43, 44, 45). Note also that length Lc makes the sum of parts of said cavity. Note that every said cavity (4) extends over the entire length Lc with notch (5) extending radially outward out to rolling surface. Note that sum tread sum Ly of lengths in projection in crosswise direction of every cavity is at least 1.5 times larger than the sum Lx of length in projection if the cavity circumferential direction.

EFFECT: perfected noise killing.

9 cl, 8 dwg

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RU 2 521 885 C1

Authors

Berva Patrik

For Zhan-Klod

Dates

2014-07-10Published

2011-10-13Filed