B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/04 (2006.01) B23K 9/16 (2006.01) B23K 10/00 (2006.01) H01J 37/02 (2006.01) H01J 37/32 (2006.01)
Patent
CA 2050857
ABSTRACT OF THE DISCLOSURE The apparatus serves for treating workpieces by means of a plasma torch in a gaseous, preferably in an inert gaseous atmosphere. For this purpose, there is provided a gas-tight container and, in the interior of the container, a plasma gun as well as a cooling member for cooling the treated workpiece by a gaseous cooling medium stream. The cooling medium is a gas circulating in a closed circuit. Thus, the the cooling gas can continuously used because heat is removed from the gas in a heat exchanger. A cooling operation can be realized in this way in temperature regions which are much higher than if liquified gas is used.
Hansz Bernard
Keller Silvano
Cassan Maclean
Plasma-Technik Ag
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