B21C 31 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses

Patents for B21C 31 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses (533)
06/1994
06/16/1994	DE4242395A1 Extrusion press feeding tube esp. for extruding aluminium - has walls with a controlled temp. gradient to avoid cracking of the walls
03/1994
03/30/1994	EP0589240A1 Horizontal metal-extrusion press
11/1993
11/23/1993	US5264163 Detecting temperature of molding material; heat exchanging; solidification; analyzing feedback signal with computer
10/1993
10/14/1993	WO1993019862A1 Method for the extrusion of metal or plastic profiles and apparatus for working method
08/1993
08/24/1993	US5237844 Device to control the temperature of extruded metallic sections during the extrusion step
06/1993
06/10/1993	WO1993010922A1 Extrusion apparatus for sheathing a temperature sensitive core material
03/1993
03/30/1993	US5197319 Extrusion apparatus for sheathing a temperature sensitive core material
07/1992
07/01/1992	EP0492234A1 Device to control the temperature of extruded metallic sections during the extrusion step
06/1992
06/30/1992	US5126945 Nonferrous extrusion process control system
05/1990
05/31/1990	DE3939217A1 Prodn. of profiled rod - using extruder followed by rolling stand with 2 sets of rolls at 90 deg. to each other and device to maintain constant min. tensile stress
04/1989
04/25/1989	US4823586 Conform product thermomechanical treatment
01/1989
01/03/1989	US4794777 Continuous extrusion of metals
03/1988
03/22/1988	US4732551 Continuous extrusion of metals
08/1987
08/11/1987	CA1225366A1 Continuous extrusion of metals
05/1987
05/05/1987	CA1221336A1 Continuous extrusion of metals
01/1987
01/14/1987	EP0208101A1 Method of producing a votary wheel member
01/13/1987	US4635459 System for controlling a pulling assembly
09/1986
09/09/1986	US4610725 Copper wire
08/1986
08/12/1986	US4604880 Continuous extrusion of metals
11/1985
11/12/1985	US4552520 Continuous extrusion of metals
06/1985
06/18/1985	US4523444 Methods of and apparatus for controlling the gap between a mandrel and die during extrusion
10/1984
10/10/1984	EP0121298A1 Continuous extrusion of metals
10/10/1984	EP0121297A1 Continuous extrusion of metals
10/10/1984	EP0121296A1 Continuous extrusion of metals
08/1984
08/15/1984	EP0115951A1 Continuous extrusion of metals
10/1983
10/12/1983	EP0091176A1 A method of extruding material, and extruder for carrying out said method
07/1982
07/27/1982	US4341106 Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine
09/1981
09/08/1981	US4288398 Apparatus and method for controlling the internal structure of matter
09/1980
09/30/1980	US4224816 Method of and an apparatus for producing extrusion profiles
04/1980
04/15/1980	US4197757 Method and apparatus for the cold forming of metal
11/1978
11/07/1978	CA1041946A1 Method for reducing extrusion start-up pressure
11/1977
11/08/1977	US4056963 Means of determining extrusion temperatures
05/1976
05/11/1976	US3956604 High pressure apparatus having means for detecting a leakage

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