Patent · US Active

Method for producing a retort for a nitriding furnace and retort

US10294537B2 · kind B2 · utility

0Cited by

7References

15Claims

0Family size

Assignee

IVA SCHMETZ GMBH · DE

Inventors

Heinrich-Peter Lankes · Schwalmtal, DE
Peter Haase · Isselburg, DE
Dirk Miller · Wever, US

Key dates

Filing date	Aug 14, 2015
Grant date	May 21, 2019
Priority date	—
Expiry date	Jan 28, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF27D1/0006
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A method for producing a retort for a nitriding furnace, in which metallic workpieces are heat-treated in a pre-determined atmosphere, includes pickling at least the surfaces of the retort, which are configured to come into contact with the pre-determined atmosphere while the nitriding furnace is operating, by using a pickling agent. The pickled surfaces may then be electropolished and passivated. A retort may be produced according to this method and the retort may be used in a nitriding furnace.

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