Patents
Patents for B22F 5 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product (5,694)
01/1995
01/25/1995EP0634959A1 Process and device for the continuous production of cylindrical rods with at least one internal helical channel, and sinter blank made by this process.
01/25/1995CN1097662A Heat treatment of metal castings and in-furnace sand reclamation
01/17/1995US5382005 Methods and apparatus for firing extruded metals
01/11/1995EP0632754A1 Press apparatus
01/03/1995US5378426 Oxidation resistant metal particulates and media and methods of forming the same with low carbon content
01/03/1995US5378416 Method of and system for manufacturing powder moldings
01/03/1995US5377843 Classifying wheel for centrifugal-wheel air classifier
12/1994
12/27/1994US5376329 Method of making composite orifice for melting furnace
12/27/1994US5375759 Power coating of hardfacing alloy by forming a retaining wall around the substrate
12/21/1994EP0629770A2 Process for preparing a blade ring for a drum rotor of a turbine
12/13/1994US5372793 Process of manufacturing a friction ring for use in a clutch or brake
12/07/1994EP0627018A1 As sintered coining process
12/07/1994EP0626893A1 Method of producing bearings
12/07/1994EP0552272B1 Gear wheels rolled from powder metal blanks
11/1994
11/30/1994EP0626358A2 Electrically conductive high strength dense ceramic
11/30/1994CN1026815C Hydrodynamic bearings having beam mounted bearing pads and sealed bearing assemblies including the same
11/24/1994DE3490361C2 Use of a wear-resistant sintered alloy based on iron
11/23/1994EP0625583A1 Material for friction parts intended to operate in a lubricated environment and method for producing such material
11/22/1994US5366363 Modular apparatus for compression forming or calibrating of powder metal workpieces
11/15/1994US5364253 Magnetic circuit component molding device
11/08/1994US5363006 Stator for ultrasonic motor and method for manufacturing the same
11/08/1994US5362791 Dimensional stability, non-cracking
11/02/1994EP0622469A1 Aluminum alloy powder for sliding members and aluminum alloy therefor
11/02/1994EP0340296B1 Method of repairing damages in superalloys
11/01/1994US5359771 Process for the manufacture of a gear wheel in an internal greared
11/01/1994US5359770 Method for bonding abrasive blade tips to the tip of a gas turbine blade
10/1994
10/19/1994EP0620286A1 Ceramic-particle-dispersed metallic member, manufacturing method of same and use of same
10/18/1994US5356721 Axial symmetry sintered shapes; concentric zones
10/12/1994EP0619157A1 Gear making process
10/11/1994US5354627 Anode of porous nickel-base alloy, cathode of porous nickel oxide doped with lithium, and electrolyte plate of eutecic mixture of carbonates
10/11/1994US5353500 Making a fractured powder metal connecting rod
10/11/1994CA1332296C Making a fractured powder metal connecting rod
10/04/1994US5352539 Extruder housing for double-screw extruder having an annularly stepped internal bore covered by a hot isostatically-pressed structure, and method of making same
09/1994
09/21/1994EP0466807B1 Density element and method of manufacture thereof
09/15/1994WO1994020765A1 Process for producing a component with at least one divided bearing surface for rolling elements
09/15/1994DE4307560A1 Method for the powder-metallurgical production of a machine part subject in certain areas to different types of loading
09/14/1994EP0614737A1 Dome shaped extrusion dies
09/14/1994EP0614715A1 Wheel speed measuring gear and method of manufacturing the same
09/13/1994US5346668 Containing zinc, lead, nickel and boron; automobiles, ships, aircraft, bushings and washers in floating bearings
09/13/1994US5346667 Method of manufacturing sintered aluminum alloy parts
09/07/1994CN1091856A Contacts material for vacuum valve and method of manufacturing the same
09/06/1994US5344716 Provided with degassing openings made before sintering
09/06/1994US5344507 Wear-resistant aluminum alloy and method for working thereof
08/1994
08/31/1994EP0612598A1 Method of making extrusion dies from powders
08/31/1994EP0612277A1 Methods for alloy migration sintering
08/31/1994EP0612276A1 Heat treatment of metal castings and in-furnace sand reclamation
08/23/1994US5340530 Method of forming an insert on a part to be clad that is made of steel or of titanium alloy
08/18/1994WO1994018463A1 Process for producing a component having at least one two-piece bearing seat
08/18/1994WO1994017940A1 Spray powder for hardfacing and part with hardfacing
08/10/1994EP0609601A2 Contact material for vacuum interrupter and method of making the same
08/03/1994EP0382833B1 Powder metal mirror
08/02/1994US5334085 Process for the manufacture of an impregnated cathode and a cathode obtained by this process
07/1994
07/19/1994US5330702 Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece
07/12/1994US5328763 Spray powder for hardfacing and part with hardfacing
07/05/1994US5326526 Magnesium silicate solid lubricants; sliding parts for valves of internal combustion engines; wear resistance
06/1994
06/29/1994EP0603749A1 Compound sleeve roll and method for producing same
06/29/1994CN2170170Y Mould for diamond dry-cutting saw blade
06/23/1994WO1994013846A1 Material for friction parts intended to operate in a lubricated environment and method for producing such material
06/22/1994WO1994014991A1 As sintered coining process
06/21/1994US5322824 Electrically conductive high strength dense ceramic
06/15/1994EP0601368A1 Method of manufacturing a part of a spindle motor
06/08/1994EP0600824A1 Method for manufacturing a diamond core bit
06/07/1994US5318468 Pressing and sintering at least two layers of metals in different proportions, impregnating with emission, materials of metal oxides, shaping
06/01/1994EP0598866A1 Process for making mouldings and use thereof
05/1994
05/26/1994WO1994011140A1 Method relating to powder metallurgical manufacturing of a body
05/10/1994US5310320 Rotor for a rotary screw machine having internal member and external shell made of pressed metal powder
05/03/1994US5308556 Pre-milling powders with dispersant and solvent, dissolving in high molecular weight thermoplastic polymer in wax, blending powder and binder, volatilizing, shaping, machining, sintering
04/1994
04/28/1994WO1994008743A1 Moulding of apertured articles
04/28/1994DE4328160A1 Helical screw for plastic extruder - having special corrosion and wear resistant tips to screw threads
04/27/1994EP0593691A1 Process for producing sintered components.
04/26/1994US5306462 Fibrous tantalum and capacitors made therefrom
04/26/1994US5305947 Method for manufacturing semiconductor-mounting heat-radiative substrates and semiconductor package using the same
04/21/1994DE4303396A1 Preßformen von perforierten Gegenständen Compression molding of perforated objects
04/14/1994WO1994008061A1 A method of producing sintered alloy steel components
04/14/1994WO1994007630A1 Wheel speed measuring gear and method of manufacturing the same
04/13/1994EP0591907A2 Process for preparing metal sheets or ceramic plates
04/13/1994EP0591906A1 Method of making metal sheets
03/1994
03/31/1994WO1994006589A1 Sintered articles
03/31/1994DE4232432A1 Powder metallurgy connecting rod - has at least powder metallurgy big-end bearing forming part of compound connecting rod structure
03/30/1994EP0589137A1 Wear resistant sliding member and method of manufacturing the same
03/29/1994US5298336 Multilayer composite sliding material having excellent seizure resistance property
03/29/1994US5298052 High temperature bearing alloy and method of producing the same
03/24/1994DE4231511A1 Die and stamp for pressing glass articles - made from oxide dispersion strengthened (ODS) superalloys based on iron@ or nickel@
03/15/1994US5294399 Preparation of cathode structures for impregnated cathodes
03/15/1994US5294269 Repeated sintering of tungsten based heavy alloys for improved impact toughness
03/03/1994WO1994004297A1 Heat treatment of metal castings and in-furnace sand reclamation
03/02/1994EP0584858A1 Low pressure discharge lamp having sintered "cold cathode" discharge electrodes
03/01/1994US5290508 Manufacturing process for ring-shaped parts
02/1994
02/22/1994US5288454 Powder metallurgy, cold compression, sintering, magnetizing
02/16/1994CN1082245A Method for making ferrite core
02/15/1994US5286577 Co-drawn composite of conductor core and matrix; high purity aluminum; aluminum iron cerium alloy matrix
02/15/1994US5286323 Dome shaped extrusion dies
02/01/1994US5282688 Sintered oil impregnated bearing and its manufacturing method
01/1994
01/26/1994EP0579911A2 Process for preparing composite isotropic copper-based materials by slip casting, having a low thermal expansion coefficient and high electrical conductivity and their use
01/25/1994CA1326392C Powder metal mirror
01/25/1994CA1326349C Process for producing an elongated sintered article
01/18/1994CA1326132C2 Pump liners and a method of cladding the same
01/12/1994EP0578518A1 Process for preparing an insert on an article to be coated, the article being from steel or titanium alloy
01/11/1994CA1325899C Method for making tungsten-titanium sputtering targets
01/05/1994EP0480922B1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWTICHES
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