Patents
Patents for B23P 15 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass (23,391)
10/1997
10/15/1997EP0800891A1 Method for manufacturing cutting elements
10/15/1997EP0800430A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts
10/14/1997US5676499 Drill with coolant channels and method for its manufacture
10/14/1997US5676496 Metal cutting inserts having superhard abrasive bodies and methods of making same
10/08/1997EP0799669A1 Method and device for finish turning a work of hardenable steel
10/08/1997EP0799668A2 Method for producing a seamless metallic belt
10/08/1997EP0799373A1 Method of producing a one-part cooling duct piston
10/08/1997EP0799107A1 Method and apparatus for making holes in a workpiece
10/08/1997EP0708698B1 Process for manufacturing pistons, piston rods, as well as cylinders for hydraulic or pneumatic units
10/07/1997US5674620 Passivated cobalt matrix holding tungsten carbide to improve adhesion by preventing reaction between cobalt and diamond
10/07/1997US5674564 Alumina-coated sintered body
10/02/1997WO1997036125A1 Ball valve assembly and method for forming
10/02/1997WO1997035678A2 Channel fabrication in metal objects
10/02/1997DE19709980A1 Coated cemented carbide tool for cast iron milling
10/01/1997EP0798532A2 Ceramic shell-and-tube type heat exchanger and method for manufacturing the same
10/01/1997EP0797489A1 Milling cutter body and a method for its production
10/01/1997CN1161077A Abrasion resistant ring for a piston for an engine and method and device for producing the same
10/01/1997CA2201190A1 Method for producing a seamless metallic belt
09/1997
09/30/1997US5672302 In-situ surface nitridation of zirconia ceramics
09/30/1997US5671710 Pistons for internal combustion engines and method of manufacturing same
09/30/1997CA2032030C Heat exchanger and method of assembly thereof
09/25/1997WO1997034723A1 Cutting device for cutting a metal bar into thin plate-like pieces
09/25/1997CA2249223A1 Cutting device for cutting a metal bar into thin plate-like pieces
09/24/1997CN1035956C Coating method, workpiece with hard coating and use thereof
09/24/1997CN1035932C Method for making mould of plastic optical full reflector
09/23/1997CA2045094C Low friction subterranean drill bit and related methods
09/18/1997DE19608824A1 Verfahren zur Herstellung von Mikrowärmetauschern Process for the preparation of micro-heat exchangers
09/17/1997EP0795038A1 Sprocket and manufacturing method thereof
09/17/1997EP0707665B1 Diamond coated body
09/16/1997US5667028 Multiple diamond layer polycrystalline diamond composite cutters
09/12/1997WO1997032687A1 Process for producing micro-heat exchangers
09/09/1997US5665431 Titanium carbonitride coated stratified substrate and cutting inserts made from the same
09/09/1997US5664463 Camshaft assembly with shaft elements positioned one inside the other and method of producing same
09/04/1997WO1997032049A1 Cast iron and piston ring
09/04/1997WO1997031742A2 Drilling tool for machine tools and method of producing the same
09/04/1997DE19707549A1 Boring bit with cooling channels
09/04/1997DE19609263A1 Multilayered flat seal production method
09/03/1997EP0793328A1 Cooling jacket for electrical machine, machine having such a jacket, and process for manufacturing this jacket
09/03/1997EP0792718A1 Process for manufacturing a heat exchanger
09/03/1997CN1158286A Method and apparatus for manufacturing mold
09/03/1997CN1035751C Method of making selected size injection molding nozzle
09/02/1997US5662720 Cutters for drilling rocks using metal carbide substrates
08/1997
08/27/1997EP0791738A1 Abrasion resistant ring for a piston for an engine and method and device for producing the same
08/26/1997US5660881 Increasing the bonding strength with carbide substrate, reducing the cobalt concentration on outer layer by heating to evaporate and etching
08/26/1997US5660418 Vacuum system components
08/26/1997US5659956 Process for the production of hollow ball bearings
08/26/1997US5659955 Method of making powder metal helical gears
08/21/1997WO1997029879A1 Cutting die and method of forming
08/21/1997WO1997029878A1 Cutting die and method of making
08/21/1997WO1997029877A1 Machining tool and method for forming same
08/21/1997DE19605471A1 Roller bearing cage manufacturing method
08/21/1997CA2245866A1 Cutting die and method of making
08/19/1997US5659872 Milling the carbonitrides of titanium, zirconium, hafnium, vandium, niobium, tantalum, chromium, molybdenum and/or tungsten with rounded non-angular grains, adding binder cobalt and or nickel, pressing and sintering;
08/19/1997US5658506 Thermally spraying tool steel particles into ceramic mold
08/14/1997WO1997028918A1 Method of making a carbide cutting insert
08/13/1997EP0788860A1 Heat exchange assembly and relative process and production plant
08/12/1997US5656383 Coated member having excellent hardness and, adhesive properties
08/12/1997US5656106 Apparatus and method for net shape finishing of gears
08/12/1997US5655987 Roll-formed differential gear
08/07/1997WO1997028386A1 Cold-formed piston for a hydraulic brake
08/07/1997DE19654570A1 Chain drive for overhead camshaft
08/07/1997DE19603586A1 Kaltgeformter Kolben für eine hydraulische Bremse Cold Molded piston for a hydraulic brake
08/06/1997EP0787820A2 Methods of preparing cutting tool substrates for coating with diamond and products resulting therefrom
08/06/1997EP0787683A1 Titanium nitride substituted with boron, coating based on this new compound of a substrate and shaped bodies comprising such a coating
08/06/1997EP0787550A1 Drill bit
08/05/1997US5654035 Method of coating a body with an α-alumina coating
08/05/1997US5653783 Pouring liquid metal into vertical elongated cylinder
08/05/1997US5653258 Vent valve
08/05/1997US5653021 Forming groove on outer face of aluminum alloy piston, forming thickening layer by irradiating while supplying copper alloy powder, melting powder
07/1997
07/31/1997WO1997027438A1 A refrigerated mixing chamber and method for making same
07/30/1997EP0786506A1 Coated abrasives for abrasive tools
07/30/1997EP0786307A1 Spool valve and process for manufacturing the same
07/30/1997EP0786300A1 Composite polycrystalline diamond
07/30/1997EP0773853A4 Method of making connecting rod
07/29/1997US5651383 Quick-coupling component with pressure reduction member
07/23/1997EP0785046A1 Method of design and industrialisation for a rigid structure formed as a container, such as a road tanker
07/23/1997EP0784757A1 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing
07/22/1997US5649361 Method of making an heat exchanger having a compression fitting with a load bearing ring
07/22/1997US5649360 Method of making a vent valve
07/16/1997EP0673290B1 Manufacture of piston rings
07/16/1997CN1154284A Cutting tool assembly
07/15/1997US5648119 Process for making diamond coated tools and wear parts
07/10/1997DE19613183C1 Hard steel workpiece precision machining method
07/09/1997EP0632850B1 Composite body and its use
07/08/1997US5646860 Method and apparatus to construct building components
07/08/1997US5645645 Method and apparatus for plasma treatment of a surface
07/02/1997EP0781625A1 Spray formed rapid tools
07/02/1997EP0781177A1 Process and device for stamping holes in flat workpieces
07/01/1997US5643523 Cutting diamond coated substrate into pieces having two coating-free surfaces
07/01/1997US5642654 Piston and method of manufacturing the same
07/01/1997US5642646 Method for manufacturing rotary cutting tool and rotary cutting tool
06/1997
06/26/1997DE19654237A1 Manufacture of pressure control valve
06/26/1997DE19645410A1 Method for manufacturing transverse rod for use with motor vehicle steering linkage
06/25/1997EP0780199A1 Counter plate and cutting die for die-cutting machine
06/25/1997CA2193589A1 Method of manufacturing pressure regulator
06/24/1997US5641028 Drill bit with debris conveying flute
06/24/1997US5640767 Method for making a double-wall airfoil
06/20/1997CA2185088A1 Counter plate and cutting die for die-cutting machine
06/19/1997CA2240496A1 Flat tube heat exchanger
06/12/1997DE19650453A1 Method of manufacture of assembled nut