The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2009
Filed:
Mar. 11, 2003
Horst Becker, Muelheim, DE;
Friedhelm Kühn, Muelheim, DE;
Horst Becker, Muelheim, DE;
Friedhelm Kühn, Muelheim, DE;
LOI Thermprocess GmbH, Essen, DE;
Abstract
An installation for the heat-treatment of parts includes a rotary hearth that can be rotated in a timed manner and which has an outer and an inner wall limiting a furnace chamber that is divided up into a heating zone and at least one treatment zone by vertically movable doors. The outer wall in the heating zone is provided with a closable opening for charging or discharging the furnace. The installation further comprises a transport device for transporting the parts into or out of the rotary hearth furnace and a quenching device. In addition, a second closable opening is disposed in the outer wall of the rotary hearth furnace in the last treatment zone. A sluice is disposed adjacent to the second closable opening and a quenching device is designed as a quenching bath and connected to the rotary hearth furnace via the sluice.