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:
Apr. 04, 1995
Filed:
Jul. 15, 1994
Applicant:
Inventor:
Helmut Egger, Korntal, DE;
Assignee:
Aichelin GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; C21D / ;
U.S. Cl.
CPC ...
266252 ; 266 96 ; 266262 ;
Abstract
An apparatus for heat-treating metallic workpieces, which includes two successive furnaces, a feeding device for feeding workpieces to the first furnace, and conveyor means from transporting workpieces from the first to the second furnace. Both furnaces are equipped with gas-tight inlet and out doors. The conveyor means are also gas-tight. The furnaces are each equipped with means for controlling temperature, dwell time and atmosphere.