Method for producing fine wire
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United States of America Patent
Stats
-
Dec 17, 2002
Grant Date -
Mar 7, 2002
app pub date -
Jul 26, 2001
filing date -
Aug 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method for producing fine wire, in particular, card wire, an optionally already treated wire blank is transformed by a heat treatment process into a drawable state, the wire blank is drawn to a drawn wire, and, subsequently, the drawn wire is subjected to a hardening and tempering process in order to obtain predetermined mechanical properties by passing the drawn wire through at least one of a furnace device and a cooling device having previously already been employed for performing the heat treatment process. The furnace device has a furnace chamber, receiving at least one wire portion, with a heat distribution block arranged in the area where the wire portion is received. The heat distribution block is designed to uniformly heat the wire portion. The cooling device has a fluidized chamber containing a flowable material. A fluid introduction arrangement is provided to introduce a fluidizing fluid into the fluidized chamber. A heating arrangement is provided for heating the flowable material, wherein the heating arrangement emits electromagnetic waves into the fluidized chamber.
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