Apparatus for heat treatment of material

Details Apparatus for heat treatment of material Apparatus for heat treatment of material

C - Chemistry, Metallurgy

21

D

38/5

C21D 1/00 (2006.01)

Patent

CA 1092808

ABSTRACT There is provided an apparatus for heat treatment of unfinished metal pieces in which the individual pieces are first subjected to preheating, and in which the pieces are thereafter held at the heat treatment temperature-while being carried by a transport device. The latter includes stationary beams with saw-tooth depressions having oblique surfaces inclined downwards in the direction of transport to receive the pieces, and also lifting beams movable in the lifting direction and movable in the transport direction independently of movement in the lifting direction. The lifting beams lie between the stationary beams and below them in the rest condition. The lifting beams have a flat surface for receiving the pieces, and by means of these beams the pieces can be lifted from the depression and gently lowered in a controlled manner onto the oblique surfaces of the succeeding depressions. Thereupon, the pieces under their own weight roll into the bottom of the depression while making contact with the lifting beam which continues descending in a controlled manner opposite to the lifting direction.

351030

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