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Ipsen International, Gmbh

Ipsen Industries International Gmbh

Ispen Industries International Gesellschaft MIT Beschrankter Haftung

Franz Bless

Ferdinand Limque

Cornelis Hendricus Luiten

J&ouml;rg M&uuml;ller-Ziller

Dietmar Lange

Reinhard Neubauer

Arrangement and method for transporting metallic work pieces, and system for heat treatment of said work pieces

The furnace effects a partial heat-treatment of drills and similar tools having a clamping portion and a working portion and with respect to which it is important to subjecting only the working portion, to a heat treatment, particularly hardening. The physical properties of the clamping portion are, retained essentially in their original state during the heat treatment. The furnace is provided with a tool receiver that cooperates with hearth-bottom plates that are traversed by cooling fluid. The tool receiver assures that the drills or other similar tools are maintained in their clamping portion at substantially the same temperature level during the heat treatment while the working portion of the tools is freely exposed to the heating and quenching.

Furnace for the heat treatment of drills

An apparatus for the control of the carburizing of parts under vacuum in a acuum furnace, with which as a carbon carrier a hydrocarbon gas is introduced controlled in the furnace. A detector detects the occurrence of a soot mist formation. Upon the occurrence of the soot mist a feeder for the hydrocarbon addition is completely or partially interrupted. The detector cooperates with the feeder such that the hydrocarbon addition is again received when the soot mist formation has decayed.

Apparatus for control of the carburization of parts in a vacuum furnace

A method and apparatus for the control of the carburizing of parts under vacuum in a vacuum furnace, with which as a carbon carrier a hydrocarbon gas is introduced controlled in the furance. As the control quantity a soot mist formation is used in such a manner that the occurrence of the soot mist is determined, that upon the occurrence of the soot mist the hydrocarbon addition is completely or partially interrupted, and that the hydrocarbon addition is again received if the soot mist formation has dampened out.

Method for control of the carburization of parts in a vacuum furnace

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Kleve, Germany

Franz Bless