Verfahren zur Herstellung von Laufflächengummi

Details

Veröffentlichungs-Nr.

EP4741147

Anmeldetag

6. August 2025

Veröffentlichung

13. Mai 2026

Rechtsraum

EP

IPC

(SUMITOMO RUBBER IND et al.)

Abstract

A tread rubber forming method comprises the steps of: forming a non-conductive layer 10 by winding a non-conductive first rubber strip 3 around a cylindrical body 2 for plural turns; forming a conductive layer 20 by winding a conductive second rubber strip 4 around the cylindrical body for at least one turn in parallel to the circumferential direction of the cylindrical body; and forming a non-conductive layer 10 by winding the first rubber strip 3 around the cylindrical body for plural turns. When winding the non-conductive rubber strip 3 for each one turn of the plural turns, the first rubber strip 3 is wound in parallel to the circumferential direction to form at least 3/4 portion of the one turn, and wound obliquely to form the remaining portion of the one turn.

Anmelder

Firma

SUMITOMO RUBBER INDUSTRIES, LTD.

Land

🇯🇵 Japan