Linde Aktiengesellschaft

Linde Gmbh

Gerd Waning

Thomas Mahlo

Sebastian Berger

The invention relates to a cooling device () for cooling at least one element () passing through said device, comprising a metal block (), having a first side and a second side, and comprising a cooling channel () for cyrogenic gas. The at least one element () can be guided along the sides of the first side of the metal block (), the cooling channel () is at least partially in heat conductive connection with the second side of the metal block (), and the cooling channel () has an attachment () on a first end for the entry of cryogenic gas and an attachment on a second end for the exit of cryogenic gas. The invention also comprises a hardening device having such a cooling device () and a method for cooling at least one element () passing through said device.

Cooling device and method for cooling elements passing through said device

The invention relates to a method for the heat treatment of workpieces in a heat treatment furnace, wherein the treatment atmosphere in the heat treatment furnace is circulated. According to the invention, a propellant is injected into the heat treatment furnace in such a manner that the treatment atmosphere is essentially circulated by the injected propellant.

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Bad Salzuflen, Germany

Gerd Waning