Patent · US Active

Retort furnace for heat treating metal workpieces

US8246901B2 · kind B2 · utility

0Cited by

8References

11Claims

0Family size

Assignee

Ipsen, Inc. · US

Inventors

Rolf Sarres · Oberhausen, DE
Heinz Schwall · Eschweiler, DE

Key dates

Filing date	Jan 24, 2011
Grant date	Aug 21, 2012
Priority date	—
Expiry date	Jan 24, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF27B5/06
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A furnace (1), which, for the heat treatment of metal workpieces, has a tubular metal retort (3) and a furnace housing (2) enclosing the retort (3), the retort (3) comprising a gastight closable treatment or batch space (10), which receives the protective and reactive gases, for the heat treatment of the workpieces and a receptacle framework (8) as a batch receptacle for the positioning thereof, the weight of the batch and the receptacle framework (8) is decoupled from the retort (3), the receptacle framework (8) is connected to means (5) for support on the furnace housing (2), and the means (5) are guided gastight in passages (6) of a wall (2.1) of the furnace housing (2) and a wall (3.1) of the retort (3).

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