Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; Auxiliary operations used in connection with metal-working without essentially removing material › B21C 23 - Extruding metal; Impact extrusion
Patents for B21C 23 - Extruding metal; Impact extrusion (6,435)
08/1983
08/09/1983CA1151596A1 Process and apparatus for production of alveolar modules
08/03/1983EP0084817A1 A compound metallic body
08/02/1983CA1151112A1 Method of and apparatus for continuous friction-actuated extrusion
08/02/1983CA1150915A1 Copper wire for intrauterine birth control devices and a method for manufacturing the same
07/1983
07/26/1983CA1150671A1 Extrusion press die change assembly
07/26/1983CA1150670A1 Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part
07/26/1983CA1150611A1 Process for cold-forming a tube having a thick-walled end portion
07/19/1983US4393917 Methods and apparatus for casting and extruding material
07/12/1983CA1149778A1 Extruding press
06/1983
06/14/1983US4388054 Method for manufacturing elongated bodies by extrusion of powder in a capsule
06/09/1983WO1983001962A1 Method for making thixotropic materials
06/09/1983WO1983001961A1 Method for making thixotropic materials
06/08/1983EP0080787A2 Method for making thixotropic materials
06/08/1983EP0080786A2 Method for making thixotropic materials
06/07/1983US4386513 Method of production of metal wires
05/1983
05/25/1983EP0079808A1 Heat resistant pads
05/24/1983CA1146913A2 Method and apparatus for the cold forming of metal
04/1983
04/20/1983EP0077322A1 Method of producing seamless tubes
04/19/1983US4380473 Apparatus for the continuous extrusion of electrically conductive granulated materials, preferably powder metallurgy materials
04/19/1983US4380368 Projection screen
04/12/1983US4379398 Pull-back type indirect extrusion press
04/05/1983US4378686 Forming of materials by extrusion
03/1983
03/29/1983US4377943 Extrusion die
03/23/1983EP0074692A2 A method and an apparatus for the continuous plastic deformation of metal and for the pretreatment of said metal before said deformation
03/02/1983EP0073101A1 Friction-actuated extrusion
02/1983
02/17/1983WO1983000452A1 Improvements relating to continuous extrusion apparatus
02/16/1983EP0072207A1 Extrusion of copper
02/09/1983EP0071490A1 Improvements relating to continuous extrusion apparatus
02/09/1983EP0071195A2 Process for manufacturing hot extruded alloy products
02/08/1983US4372146 Press motion dampener
02/03/1983WO1983000299A1 Friction-actuated extrusion
01/1983
01/20/1983WO1983000168A1 Method for producing a semi finished or finished product of metal material by thermoforming
01/12/1983EP0069421A1 Process for manufacturing semi-finished or finished articles from a metallic material by hot-shaping
12/1982
12/28/1982US4365497 Intermediate frame type indirect extrusion press
12/28/1982CA1138234A1 Projection screen and process for production thereof
12/07/1982US4362485 Apparatus for continuous extrusion
11/1982
11/09/1982US4357785 Telescopic mast
11/02/1982US4356612 Method of producing a forged product
10/1982
10/26/1982US4355527 Hold down mechanism
09/1982
09/28/1982US4351326 Copper wire for intrauterina contraceptive devices and a method for manufacturing the same
09/28/1982CA1132485A1 Method and apparatus for the cold forming of metal
08/1982
08/31/1982US4346578 Extrusion press and method
08/25/1982EP0058569A2 Methods of preparing multimetal extrusion billets
08/24/1982US4345450 Reverse extrusion press
08/24/1982CA1130238A1 Process for forming semi-float axle tubes and the like
08/24/1982CA1130080A1 Telescopic mast
08/10/1982US4343425 Process and device for the production of a composite section
08/10/1982US4343169 Process for continuous hydrostatic extrusion of metals therefor
08/03/1982US4342213 Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part
08/03/1982US4342212 Indirect extrusion press
08/03/1982US4342211 Process and apparatus for extruding a composite section
07/1982
07/27/1982US4341106 Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine
07/21/1982EP0056193A1 Extrusion press with a billet scalper
07/06/1982US4338273 Process for the production of alveolar modules
06/1982
06/23/1982EP0054374A2 Spark plug electrode and its method of manufacture
06/09/1982EP0053510A2 Extrusion method
06/01/1982US4332629 Sheet extrusion
06/01/1982US4332156 Method for the manufacture of pipes by means of extrusion as well as for providing one flange on at least two pipes, and device to carry out the said method
05/1982
05/26/1982EP0052506A1 Method for continuous friction-actuated extrusion
05/12/1982EP0051159A1 Lubricating device for tools of directly or indirectly operating presses for metal rods of pipes
05/11/1982CA1123382A1 Methods and means for the continuous hydrostatic extrusion of metals
04/1982
04/27/1982US4326399 Extrusion press operating by the indirect method
03/1982
03/30/1982US4321816 Metal tube and apparatus and method for manufacturing the same
03/16/1982US4319476 Methods and apparatus for extrusion
03/10/1982EP0047082A1 Method of production of cladding tube for nuclear fuel element
03/09/1982CA1119371A1 Method of producing a coating on a core
02/1982
02/23/1982US4316378 Extrusion press with method and apparatus for removing unused metal from extruder piston
02/23/1982US4316373 Method and apparatus for the extrusion of tubes of easily oxidized materials
02/09/1982CA1117899A1 Method of cold forming tubes with interior thicker wall sections
02/09/1982CA1117898A1 Process for extruding a metal tube with inwardly thickened end portions
02/02/1982US4313327 Extrusion die for forming multi-passage tubular members
01/1982
01/26/1982US4312210 Warm forging method for cup-shaped pieces
01/06/1982EP0043025A1 Indirect metal extrusion press and apparatus for removing "frozen" billets
01/05/1982US4308742 Method of and machine for extruding
01/05/1982CA1115510A1 Cold centre flow forming
12/1981
12/30/1981EP0042814A2 Rapid extrusion of hot-short-sensitive alloys
12/23/1981EP0042260A2 Pull-back type indirect extrusion press
12/15/1981US4305270 Hydrostatic pressing apparatus
12/10/1981WO1981003441A1 Indirect metal extruding process
11/1981
11/24/1981US4301672 Process for forming semi-float axle tubes and the like
11/17/1981US4300379 Method of producing a coating on a core
11/17/1981US4300378 Method and apparatus for forming elongated articles having reduced diameter cross-sections
11/04/1981EP0039013A1 Extrusion method
11/03/1981US4297777 Method for the production of a composite hollow body
10/1981
10/14/1981EP0037485A1 Metal extrusion press comprising a device mounted at the container for separating the extrusion butt and exchanging the dies
10/06/1981US4292831 Process for extruding a metal tube with inwardly thickened end portions
09/1981
09/29/1981US4291644 Apparatus for fabricating composite metal wire
09/29/1981CA1109632A1 Continuous casting methods and apparatus
09/23/1981EP0036050A1 Method of forming spark plug bodies
09/22/1981US4290295 Method of making V-grooved pulley assembly
09/22/1981US4290290 Process for extruding a composite section, a die for this purpose, and the resultant composite section
08/1981
08/26/1981EP0034496A1 Method of and apparatus for continuous friction-actuated extrusion
08/25/1981CA1107686A1 Methods and apparatus for continuous extrusion
08/18/1981US4283931 Continuous extrusion of metals
08/11/1981CA1106829A1 Cold forming lubrication
08/04/1981CA1106127A1 Stringer
07/1981
07/29/1981EP0032868A1 Method of and apparatus for making, by extrusion, a workpiece presenting a recessed part on its peripheral surface
07/28/1981USRE30688 Extrusion press for indirect extrusion
07/14/1981US4277969 Method of cold forming tubes with interior thicker wall sections
07/14/1981US4277968 Forming of materials by extrusion
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