Tire or technical rubber article with a profiled tread with profile block elements and a method for manufacturing a tire or technical rubber article

DE102017201521B4Active Publication Date: 2026-07-23CONTINENTAL REIFEN DEUTSCHLAND GMBH
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Patent Information

Application Number
DE102017201521
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2017-01-31
Publication Date
2026-07-23
Estimated Expiration
2037-01-31

AI Technical Summary

Technical Problem

Existing tire and technical rubber article tread block elements experience wear-related deterioration in mechanical properties, leading to reduced grip and adhesion, especially in adverse weather conditions.

Method used

Incorporating laser-cut undercut holes in tread block elements to precisely adjust mechanical properties, maintaining grip and adhesion by enlarging recesses during wear, utilizing laser-cut recesses with specific geometries and orientations to enhance tread block element performance.

Benefits of technology

The laser-cut undercut holes maintain high grip and adhesion levels even after prolonged use, improving tire performance on various road conditions, particularly in winter conditions.

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Abstract

Tire (5) or technical rubber article with a profiled tread (8) with radially raised, separated profile block elements, wherein at least one profile block element (3) has one or more laser-generated recesses (6) on a contact surface (2), characterized in that one recess (6) or at least one of the several recesses (6) is an undercut hole.
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Citation Information

Patent Citations

  • Method and device for making recesses in the side surface of a tread block element

    DE102016220186A1

  • laser engraving machine

    DE19544502C1

  • Advanced method of cutting tyre tread into green blank

    DE19642283A1

  • tire tread

    DE60213445T2

  • Method for producing a flexible wall in a groove of a tread for a tire

    US20150174842A1