Patent · US Active

Adhesion aging protection in corded rubber articles

US10442625B1 · kind B1 · utility

1Cited by

8References

11Claims

0Family size

Assignee

Contitech Transportbandsysteme GmBH · DE

Inventors

Katja Henning · Oettingen, DE
David J. Maguire · Spring, US

Key dates

Filing date	Mar 23, 2018
Grant date	Oct 15, 2019
Priority date	—
Expiry date	Mar 23, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/2296
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A conveyor belt including a carry cover layer, a reinforcement layer which is situated below the carry cover layer, and a pulley cover layer which is situated below the reinforcement layer, where the reinforcement layer is comprised of steel cordage and rubber matrix, and wherein the rubber matrix includes zinc oxide in an amount greater than 5 phr. In some cases the rubber the matrix includes zinc oxide in an amount of 11 phr or greater, or even in an amount of 16 phr or greater. In some aspects, the rubber matrix is devoid of lead oxide. In some aspects, the steel cordage is zinc coated steel cords.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.