Patent · US Active

Roller body for a roller for treating a material and method of manufacturing a roller body

US8684895B2 · kind B2 · utility

6Cited by

12References

12Claims

0Family size

Assignee

SHW Casting Technologies GmbH · DE

Inventors

Ulrich Severing · Tauberbischofsheim, DE
Bernd Eppli · Königsbronn, DE
Lutz Krodel-Teuchert · Camburg, DE

Key dates

Filing date	Jan 13, 2010
Grant date	Apr 1, 2014
Priority date	—
Expiry date	Aug 18, 2032

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21G1/0246
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A roller body for a roller for treating a material, preferably a web material, which is cast from an iron base alloy which forms a radially interior zone (5) of the roller body (1) made of grey cast iron (GJS, GJV) and, around the interior zone (5), a circumferential rim zone (6) which includes the outer circumference of the roller body (1) and exhibits a surface hardness which is greater than 400 HV, wherein the circumferential rim zone (6) consists of ribbon grain or superfine ribbon grain pearlite (P) with embedded free graphite, preferably spheroidal graphite (SG) or vermicular graphite (V), or of an intermediate structure (ADI) with spheroidal graphite or vermicular graphite.

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