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 25 - Profiling tools for metal extruding
Patents for B21C 25 - Profiling tools for metal extruding (3,331)
06/1985
06/18/1985US4523444 Methods of and apparatus for controlling the gap between a mandrel and die during extrusion
05/1985
05/28/1985US4519234 Device for manufacturing laminated semifinished material
04/1985
04/03/1985EP0135989A2 Extrusion of Metal
02/1985
02/19/1985CA1182778A1 Rapid extrusion of hot-short-sensitive alloys
01/1985
01/16/1985EP0131426A2 Extrusion of metal
01/15/1985US4493229 Forming of extrusion dies
01/02/1985CA1180208A Monolith extrusion die construction method
12/1984
12/27/1984EP0129010A2 Method of and device for extruding hollow sections
12/12/1984EP0127924A1 An apparatus for continuous extrusion of metals
12/11/1984US4487357 Method for forming well drill tubing
10/1984
10/03/1984EP0120716A2 Extrusion die
09/1984
09/04/1984US4468947 A silicon nitride or carbide ceramic bodt
09/04/1984US4468945 Friction-actuated extrusion
08/1984
08/14/1984US4465454 For forming honeycomb structures
08/14/1984CA1172423A1 Method of producing metal articles with wear- resistant areas and articles produced thereby
08/01/1984EP0114571A2 Device for the backward extrusion of a hollow section
08/01/1984EP0114570A2 Device for the extrusion of a hollow section
07/1984
07/31/1984US4462844 Cold working surface, heating to recrystallize; hot extrusion
07/31/1984US4462234 Rapid extrusion of hot-short-sensitive alloys
07/17/1984US4459837 Method of indirect extrusion of metal
06/1984
06/19/1984CA1169272A1 Process for preparation of support tooling for extrusion dies
04/1984
04/17/1984US4442734 Method for mounting hard wear-resistant inserts
04/11/1984EP0105112A1 Apparatus for the manufacture of compound blanks
03/1984
03/13/1984US4435972 Process for forming integral spindle-axle tubes
02/1984
02/14/1984US4430877 Method and cleaning container on indirect extrusion press
11/1983
11/30/1983EP0095359A2 Improvements in or relating to the forming of extrusion dies
11/29/1983US4417461 Device for manufacturing, by extrusion, a piece having a recessed portion in its peripheral surface
11/22/1983US4416139 Guiding a mandrel or punch for piercing or cold-extrusion
08/1983
08/10/1983EP0085076A1 Improvements relating to continuous extrusion apparatus
08/09/1983US4397080 Process for preparation of support tooling for extrusion dies
07/1983
07/12/1983US4392397 Method of producing a drawing die
03/1983
03/29/1983US4377943 Extrusion die
03/02/1983EP0073101A1 Friction-actuated extrusion
02/1983
02/17/1983WO1983000452A1 Improvements relating to continuous extrusion apparatus
02/09/1983EP0071490A1 Improvements relating to continuous extrusion apparatus
02/09/1983EP0071195A2 Process for manufacturing hot extruded alloy products
02/03/1983WO1983000299A1 Friction-actuated extrusion
12/1982
12/07/1982US4362485 Apparatus for continuous extrusion
11/1982
11/16/1982CA1135728A1 Partially stabilised zirconia ceramics
08/1982
08/03/1982US4342211 Process and apparatus for extruding a composite section
06/1982
06/08/1982US4333896 Method and apparatus for extruding honeycomb structures with skins thereon involving the use of an adjustable extension die mask
06/01/1982US4333000 Apparatus for making hollow extrusion dies
05/1982
05/27/1982WO1982001675A1 Process for preparation of support tooling for extrusion dies
03/1982
03/30/1982US4321816 Metal tube and apparatus and method for manufacturing the same
03/03/1982EP0046688A2 Extrusion die
02/1982
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
12/1981
12/30/1981EP0042814A2 Rapid extrusion of hot-short-sensitive alloys
12/10/1981WO1981003441A1 Indirect metal extruding process
11/1981
11/18/1981EP0040052A2 Adjustable extrusion die
11/17/1981US4300878 Extrusion die for forming composite rubber-cord strip
11/17/1981US4300378 Method and apparatus for forming elongated articles having reduced diameter cross-sections
10/1981
10/06/1981US4292831 Process for extruding a metal tube with inwardly thickened end portions
09/1981
09/22/1981US4290290 Process for extruding a composite section, a die for this purpose, and the resultant composite section
09/16/1981EP0035913A2 A wheel for a track-laying vehicle
09/08/1981US4287749 Tapered extrusion die and method of forming the same
07/1981
07/29/1981EP0032868A1 Method of and apparatus for making, by extrusion, a workpiece presenting a recessed part on its peripheral surface
07/29/1981EP0032668A1 Cold-process or semicold-process massive-forming die
07/21/1981US4279655 Partially stabilized zirconia ceramics
07/14/1981US4277969 Method of cold forming tubes with interior thicker wall sections
06/1981
06/23/1981CA1103617A1 Method and apparatus for cold forming a polygonal inner surface
06/16/1981CA1103207A1 Method and apparatus for changing a die ring from the die in an indirect extrusion press
06/02/1981US4271240 Lobed preparatory blank for cold extruding a cup-shaped article with hollow polygonal interior
06/02/1981US4270380 Metal shaping die assembly
02/1981
02/17/1981US4251202 Molding die stem with sleeve
02/10/1981US4249408 Process for extruding maraging steel
01/1981
01/14/1981EP0022287A1 Method of producing a wire-drawing die
01/06/1981US4242897 Extrusion machine and method of continuous tubular extrusion
11/1980
11/04/1980US4231982 Method for the production of tools for deep drawing, moulding, extruding and the like
11/04/1980US4231245 Indirect extrusion apparatus
10/1980
10/21/1980US4228673 Die assembly and method of making the same
09/1980
09/23/1980US4223548 Process and device for extruding hollow sections
08/1980
08/19/1980US4217771 Method of cold forming
08/05/1980US4215560 Process and device for manufacturing composite sections and similar products
07/1980
07/23/1980EP0013599A1 Partially stabilized zirconia ceramics; method of making said ceramics, dies constructed of said ceramics, cutting tools with a cutting surface and tappet facings formed of said ceramics
07/22/1980US4213318 Apparatus for fitting an extrusion die holder onto the press stem of an indirect metal extrusion press
06/1980
06/24/1980US4208898 Process and device for extruding a plurality of composite sections
06/10/1980US4206626 Extrusion press for extruding tubes
05/1980
05/06/1980US4201071 Mandrel for high pressure tube extrusion press
04/1980
04/08/1980CA1075203A1 Indirect extrusion processes and apparatus
12/1979
12/25/1979CA1068646A Apparatus and methods for forming a plurality of elongated members
11/1979
11/27/1979US4175416 Apparatus for manufacturing heat transfer tubes
10/1979
10/02/1979US4169366 Device for extruding hollow and semi-hollow sections
10/02/1979US4169365 Needle for pressing internally-finned pipes
09/1979
09/18/1979US4167866 Process and device for manufacturing composite sections and similar products
09/04/1979US4166373 Method of cold forming
06/1979
06/12/1979CA1056331A1 Method of making profiled work of aluminum or aluminum alloy by extruding process
06/12/1979CA1056330A1 Extrusion press for direct and indirect extruding with die shifter
06/05/1979CA1055890A1 Method and apparatus for extrusion
05/1979
05/22/1979CA1054974A1 Methods and apparatus for forming wire tapes
05/15/1979US4154081 Method and apparatus for changing a die ring from the die in an indirect extrusion press
05/01/1979CA1053546A1 Method of making anisotropic permanent magnets of mn-al-c alloys
03/1979
03/27/1979US4145910 Carbide inserts
03/20/1979US4144734 Indirect extrusion process and apparatus
02/1979
02/13/1979US4138871 Liquid pressure extrusion method and device for tube or tubular member
02/13/1979CA1048442A1 Apparatus and methods for forming a plurality of elongated products
02/06/1979US4137745 Device for extruding hollow articles
09/1978
09/26/1978US4116030 Method of making profiled work of aluminum or aluminum alloy by extruding process
08/1978
08/08/1978US4105443 Metal-forming dies
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