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)
11/1998
11/11/1998CN1198704A Method for continuous manufacture of profield sections and a device for performing the method
11/10/1998US5832768 Die assembly for extruding hollow articles
11/03/1998US5829298 Method and apparatus for production of continuous metal strip
10/1998
10/29/1998DE19717026A1 Extrusion equipment for hollow profiled metal work
10/27/1998US5826456 Method for extrusion of aluminum alloy and aluminum alloy material of high strength and high toughness obtained thereby
10/22/1998DE19716292A1 Extrusion press
10/20/1998US5824166 Intermetallic alloys for use in the processing of steel
09/1998
09/30/1998CN1194600A Improvements in or relating to the manufacture of extrusion dies
09/29/1998US5813270 Continuous extrusion apparatus
09/29/1998US5813269 Die assembly for extruding hollow metallic articles
09/22/1998CA2100232C Entrance contour design to streamline metal flow in a forging die
07/1998
07/16/1998DE19701021A1 Parting tool for jammed extrusion die
07/14/1998US5780063 Apparatus for producing a hard metal or ceramic rod having helical bores
07/07/1998US5775155 Variable section extrusion die set and variable extrusion molding method
05/1998
05/26/1998US5756016 Method for modeling a high speed extrusion die
05/07/1998WO1998018587A2 Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel
05/07/1998WO1998018578A1 Extrusion die for extruding metal
05/06/1998CN1180593A Extrusion and impact forging mould and preparation method
04/1998
04/30/1998DE19644447A1 Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial Method and apparatus for continuous extrusion of equipped with a helical inner channel bars of plastic raw material
04/29/1998EP0838276A1 Extrusion die for the extrusion of metal
04/29/1998EP0837745A1 Improvements in or relating to the manufacture of extrusion dies
04/22/1998EP0662868B1 Method for synthesizing diamond and products produced thereby
04/21/1998CA2090432C Long deformed extruded metallic shape and method of manufacturing said shape
04/15/1998CN2278548Y Iron door hinge tooth end tooth-extruding die
04/09/1998WO1998014284A1 Centering plug for a pipe press
02/1998
02/18/1998CN2274536Y Extruding mould for inlaid aluminum sectional material by internal circuit positioning
01/1998
01/29/1998WO1998003689A1 Tool for coldforming operations
12/1997
12/29/1997EP0693006B1 Forming tool
12/17/1997CN2270570Y Hollow tubing former
11/1997
11/20/1997WO1997043059A1 Extrusion die
11/19/1997CN1165059A Extrusion die
11/18/1997US5687604 Thermal controlled mandrel with replaceable tip for copper and brass extrusion
10/1997
10/22/1997CN1162509A Method and mould for pressing lock clip of air valve
10/15/1997CN1161888A Reducing-extrusion processing method and apparatus thereof
09/1997
09/09/1997US5664453 Noncracking
08/1997
08/14/1997DE19603542A1 Device with separating wedges for splitting two=part extrusion tool
06/1997
06/25/1997EP0780170A1 Die assembly for extruding hollow metallic articles
06/23/1997CA2193279A1 Die assembly for extruding hollow metallic articles
05/1997
05/06/1997US5626047 Fixed dummy block assembly
04/1997
04/30/1997CN1148821A Continuous extrusion apparatus
04/23/1997EP0769334A1 Variable cross section extruding die and variable cross section extrusion molding method
04/23/1997CN1148354A Continuous extrusion apparatus
04/10/1997WO1997012745A1 A method for continuous manufacture of profiled sections and a device for performing the method
03/1997
03/12/1997CN2249136Y Cold-extruding butt mould
03/05/1997EP0759820A1 Continuous extrusion apparatus
03/05/1997EP0759819A1 Continuous extrusion apparatus
02/1997
02/11/1997US5601857 Extruder for extrusion manufacturing
02/11/1997US5600990 Metal extrusion die stack and method
01/1997
01/30/1997WO1997002910A1 Improvements in or relating to the manufacture of extrusion dies
01/21/1997US5595084 Hollow die and an apparatus for continuous extrusion forming of hollow articles
12/1996
12/11/1996EP0747145A1 Die for extrusion of variable cross section and extrusion molding method for variable cross section
11/1996
11/28/1996DE19519531A1 Extrusion mould with die side mandrel
11/27/1996CN1136479A Teeth extrusion mould for working iron door hinge teeth end and its method for extruding teeth end
11/26/1996US5577406 Forming tool
11/20/1996CN2240403Y Tungsten steel sheet inserted die set
11/13/1996CN2239846Y Large shrink range light alloy extrusion barrel with two stress ring
11/12/1996US5572894 Die for extruding elongate articles having longitudinal orifices
11/05/1996US5571235 Die assembly for extruding hollow articles
10/1996
10/22/1996US5567493 Die for extrusion of multi-hole tube and multi-hole tube made with the die
10/16/1996CN1133211A Extruding mould
09/1996
09/26/1996WO1996029162A1 Continuous extrusion apparatus
09/26/1996WO1996029161A1 Continuous extrusion apparatus
09/26/1996CA2188804A1 Continuous extrusion apparatus
09/26/1996CA2188803A1 Continuous extrusion apparatus
09/25/1996CN1131588A Mold-extruding, expanding and forming process for multi-way pipe and its die equipment
09/24/1996US5557962 Long deformed extruded metallic shape and method for manufacturing said shape
09/19/1996WO1996028264A1 Variable cross section extruding die and variable cross section extrusion molding method
08/1996
08/14/1996CN2232806Y Detatchable combined hot squeezing shunting mould
07/1996
07/18/1996WO1996021528A1 Die for extrusion of variable cross section and extrusion molding method for variable cross section
07/03/1996EP0719189A1 Continuous metal strip production having an alignment system
06/1996
06/26/1996EP0718052A1 Die assembly for extruding hollow articles
06/20/1996DE4445057A1 Rapid exchange of prestressed screwed component
06/11/1996US5525291 Extruding mixture of metal, carbon or ceramic particles, with binder and solvent, through adjustable die which can be moved during extrusion yields honeycombs having controlled cell structures
06/04/1996US5522246 For use in an automotive vehicle
04/1996
04/30/1996US5511450 Method of manufacturing forming die
04/16/1996US5507167 Process and device for providing a shaft with splines
03/1996
03/27/1996CN2223149Y Combined hot extrusion cupping die
03/06/1996EP0699487A1 Extrusion die
02/1996
02/13/1996US5490408 Method of and apparatus for extruding a billet of a light metal alloy
02/07/1996EP0590008B1 Extrusion die tool for producing a hard metal or ceramic rod with twisted internal bores
02/03/1996CA2155154A1 Extrusion die
01/1996
01/24/1996EP0693006A1 Forming tool
01/24/1996EP0566733B1 Method and apparatus for production of continuous metal strip
01/23/1996US5485945 Opening apparatus having an alignment system for producing a continuous metal strip from a split-tube
01/10/1996CN2216872Y Dies
12/1995
12/27/1995CN2215958Y Built-up hot-extrusion mould
11/1995
11/29/1995CN1112483A Lateral extruding method long belt continuous uniform pressing technology and its apparatus
11/02/1995EP0679497A1 Extrusion nozzle with annealed end dam
10/1995
10/31/1995US5462772 Methods for forming artificial diamond
10/18/1995EP0677339A2 Hollow die and an apparatus for continuous extrusion forming of hollow articles
10/13/1995CA2145332A1 Hollow die and an apparatus for continuous extrusion forming of hollow articles
10/11/1995CN1109820A Device for continuously uniformly pressing long strip by expansion method and technique thereof
10/04/1995CN1109391A Mould for extruding non-ferrous metal section material
10/03/1995US5454250 Method for controlling die-retaining force of extruder
08/1995
08/09/1995CN1106323A Large ceramic drawing mould for precision cast alloy cast iron
08/08/1995US5438858 Extrusion tool for producing a hard metal rod or a ceramic rod with twisted internal boreholes
07/1995
07/19/1995EP0662868A1 Method for synthesizing diamond and products produced thereby
06/1995
06/28/1995EP0659496A1 Die for extruding elongate articles having longitudinal orifices
06/07/1995EP0656235A1 A hollow extruder die for extruding a hollow member of a zinc-containing aluminum alloy
06/06/1995US5421085 Extrusion nozzle with annealed end dam
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