| Patents for B21D 53 - Making other particular articles (18,517) |
|---|
| 02/09/1994 | EP0582064A1 Apparatus for bending hollow profiles |
| 02/09/1994 | CN2155281Y Stamping die set for producing aluminium sheet products |
| 02/09/1994 | CN1081599A Slide fastener coupling element forming apparatus and cutting punch |
| 02/08/1994 | US5283944 Apparatus for placement of angle plates in transverse duct flanges |
| 02/08/1994 | CA1326768C Process for producing an assembled shaft |
| 02/03/1994 | DE4241811C1 Appts. for producing a pot-shaped workpiece with internal thread - having protruding rod-shaped bodies for cutting circumferential grooves across the threading as workpiece is produced |
| 02/02/1994 | CN1081344A Method and apparatus for manufacturing slide fastener coupling elements |
| 02/01/1994 | US5283415 Manufacturing method of a vehicle panel |
| 02/01/1994 | US5282313 Method for producing heat exchange elements and heat exchange elements produced thereby |
| 01/26/1994 | EP0580138A1 Method for making an improved evaporator |
| 01/26/1994 | EP0580064A2 Slide fastener coupling element forming apparatus and cutting punch |
| 01/26/1994 | CN1081128A Integral forming technology for steel rim of motorcycle |
| 01/25/1994 | US5280675 Camshaft and method of making a camshaft |
| 01/25/1994 | US5280672 Apparatus for making cam shafts |
| 01/25/1994 | CA1326381C Grooving and stamping method and apparatus |
| 01/23/1994 | CA2100024A1 Slide fastener coupling element forming apparatus and cutting punch |
| 01/20/1994 | WO1994001658A1 Camshaft and method of making a camshaft |
| 01/20/1994 | WO1994001234A2 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates |
| 01/20/1994 | DE4315503A1 Production method for hollow work pieces with straight or inclined axis - involves inner profile being cold shaped by striking rollers expressing material form flat circle |
| 01/20/1994 | CA2134656A1 Camshaft and method of making a camshaft |
| 01/19/1994 | EP0579593A1 Device for fabricating spacing frames out of hollow section strips for insulating glass panes |
| 01/19/1994 | EP0579525A1 Manufacturing method for a bicycle rim and rim manufactured by this method |
| 01/19/1994 | EP0578879A1 Heat exchanger and method of assembly thereof |
| 01/19/1994 | CN1080883A A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| 01/18/1994 | CA1326147C Roll forming notches in a thin-wall power transmission member |
| 01/18/1994 | CA1326113C Low tonnage high quality thread stamping |
| 01/13/1994 | DE4322855A1 Light weight belt pulley - has hub part and radially outward protruding main part and is press moulded from single thin metal plate |
| 01/13/1994 | DE4221962A1 Simultaneous clamping of several components on two axially spaced clamping points - involves widening probe, between two clamping points, with region of reduced dia. than that with two sealing rings |
| 01/12/1994 | EP0578178A2 Method and apparatus for manufacturing slide fastener coupling elements |
| 01/12/1994 | EP0578171A2 Slide fastener coupling element forming apparatus |
| 01/12/1994 | CN2152619Y Self-forming internal screw expand tube head |
| 01/11/1994 | US5276966 Enhanced stored chemical energy powered boiler |
| 01/11/1994 | CA1325883C Process for producing a connection |
| 01/05/1994 | EP0577239A1 A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| 01/05/1994 | EP0576725A1 Heat exchanger header tube and method of making |
| 01/04/1994 | US5274921 Forming method of bushing with outer sliding surface |
| 01/04/1994 | EP0739516A4 Method and apparatus for bending sheet stock |
| 12/31/1993 | CA2085966A1 Heat exchanger header tube and method of making |
| 12/29/1993 | CN2150941Y Rediator processing machine |
| 12/29/1993 | CN1023300C Process and device for making ladle by cold spinning |
| 12/28/1993 | US5272930 Mechanical element having a shaft pressure-fitted into an engaging member and its manufacturing method |
| 12/22/1993 | EP0575112A1 Method for forming an annular member |
| 12/22/1993 | EP0574645A1 A method for fixing heat exchange elements to an end plate and a tool for conforming to a circular cross-section the end of a tube of oblong cross-section |
| 12/22/1993 | CN1023253C Heat exchange |
| 12/21/1993 | US5271151 Method of making a high pressure condenser |
| 12/21/1993 | US5271144 Coil coating of sheet metal to provide localized corrosion protection |
| 12/16/1993 | DE4319469A1 Blade wheel for torque converter - has indentations formed in blade sleeve through relative movement of upper and lower dies moving parallel to rotary axis of wheel |
| 12/16/1993 | DE4307153A1 Hollow-profiled aluminium@ corner-connection for door-frame etc. - has axial recesses in heat-insulating ribs and is slightly compressed while glue sets |
| 12/15/1993 | EP0574014A1 Knife bending apparatus |
| 12/15/1993 | CN1023086C Method for manufacturing heat-exchanger and its apparatus |
| 12/14/1993 | US5269856 Process for producing high strength endless steel belt having a duplex structure of austenite and martesite |
| 12/08/1993 | EP0572652A1 Heat exchanger of the welded plate type and method for fabricating of such a heat exchanger |
| 12/08/1993 | CN2148920Y Water heater |
| 12/07/1993 | US5267610 Heat exchanger and manufacturing method |
| 12/07/1993 | US5267511 Device for pressing buttons by resisting upward movement |
| 12/01/1993 | EP0572105A1 Method for forming tube-shaped rack bar and device therefor |
| 11/24/1993 | CN1078775A Method of manufacturing friction disk for multi-disk friction clutch |
| 11/23/1993 | US5263638 Method of manufacturing an article by superplastic forming and diffusion bonding and a vacuum chamber for use in processing workpieces for superplastic forming and diffusion bonding |
| 11/23/1993 | CA1324488C Method of making a knife having a scalloped cutting edge |
| 11/16/1993 | US5261262 Method and apparatus for cutting corrugated webs having louvers |
| 11/10/1993 | EP0568779A1 Method for producing a transmission element |
| 11/10/1993 | CN2145660Y Ball rack punching bucket process automatic punch press |
| 11/09/1993 | US5259448 Heat transfer tubes and method for manufacturing |
| 11/09/1993 | US5259268 Hollowshaft and method for the production thereof |
| 11/04/1993 | DE4313989A1 Assembly method for two-part vehicle wheel - has weld seam between rim and disc surfaces held in flat contact with each other |
| 11/04/1993 | DE4214205A1 Installation for bending segments of profiled bars etc. - with additional bending station on tables movable in additional directions |
| 11/03/1993 | EP0568201A1 A method of manufacturing an article by superplastic forming and diffusion bonding |
| 11/03/1993 | EP0568188A1 Superplastically forming components by gas inflating partially united plates |
| 11/02/1993 | US5257766 Developed blank layout angle bracket |
| 11/02/1993 | US5257715 Method of making brake bands |
| 11/02/1993 | US5257569 Apparatus for manufacture of vehicle wheels |
| 10/28/1993 | WO1993020963A1 Method of manufacturing sheet metal rotary member |
| 10/28/1993 | WO1993020962A1 Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions |
| 10/27/1993 | EP0567398A1 Tube wall with variable curvature and process for manufacturing a headerbox of a heat exchanger |
| 10/20/1993 | EP0566031A1 An electrically heatable caulking method |
| 10/20/1993 | EP0565940A1 Lamellated thin sheet tubular sleeve inserted in engine cylinder block casting |
| 10/19/1993 | US5253419 Method of manufacturing a hollow blade for a turboshaft engine |
| 10/19/1993 | US5253416 Method of manufacturing a gasket |
| 10/14/1993 | WO1993020319A1 Process and device for producing spacing frames used between the glass panels of insulating glass panes |
| 10/14/1993 | DE4211574A1 Mfr. of long, metal or plastic profile mouldings, e.g. car trim strips - by cold deformation around metallic core material having m.pt. lower than moulding material |
| 10/14/1993 | DE4203212A1 Mfr. of heat exchangers - involves formed ribs and tubes, which are stacked into large block, and this is divided into individual blocks |
| 10/13/1993 | EP0565225A1 Method of cold-forming toothed wheels |
| 10/13/1993 | EP0565114A1 Method for obtaining a valve body and valve body obtained through said method |
| 10/13/1993 | EP0565060A1 Apparatus and method for insertion of picture hangers |
| 10/13/1993 | EP0564860A1 Process for the production of a wide side chill mould for a thin slab casting plant |
| 10/13/1993 | CN1022387C Ring rolling machine with two radial main rollers |
| 10/07/1993 | DE4231683A1 Verfahren und Vorrichtung zum Herstellen von Abstandshalterrahmen zur Verwendung zwischen den Glastafeln von Isolierglasscheiben Method and apparatus for producing spacer frames for use between the glass panels of insulating glass panes |
| 10/06/1993 | CN1076878A Method for manufacture of wide side-wall of crystallizor used in apparatus for moulding of thin block |
| 09/30/1993 | WO1993019425A1 Method and apparatus for bending sheet stock |
| 09/30/1993 | WO1993018929A1 Rim for a vehicle and a method for manufacturing of the rim |
| 09/30/1993 | DE4209584A1 Mfr. of heat exchangers - by welding two steel sheets together along parallel lines and then folding in zigzag fashion. |
| 09/30/1993 | CA2132192A1 Method and apparatus for bending sheet stock |
| 09/29/1993 | EP0563018A2 Equipment for the joining of sections converging at a corner of a metal frame, with gluing between the sections and the internal bracket |
| 09/29/1993 | EP0562593A1 Method of making a toothed disc, in particular for adjusting a vehicle seat |
| 09/29/1993 | CN2142762Y Automatic continuous plunger die for profile fin |
| 09/23/1993 | DE4207781A1 Supporting-ring prodn. for surface heater - involves bending perforated flat strip into channel-section and rolling into cylindrical ring with flat parallel supporting surfaces |
| 09/21/1993 | US5245850 Process of producing an outer joint part |
| 09/16/1993 | WO1993018189A1 High strength steel sway bars and method of making |
| 09/16/1993 | WO1993017807A1 Manufacture of piston rings |
| 09/16/1993 | WO1993017806A1 Shaft clutch mechanism and its production |