Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 53 - Making other particular articles
Patents for B21D 53 - Making other particular articles (18,517)
11/1998
11/19/1998WO1998051430A1 A method of producing a heat transfer device
11/19/1998DE19735434C1 Method of forming hollow pipe from sheet metal
11/18/1998EP0800426B1 Method for making flat components, and resulting flat components
11/18/1998CN1198969A Method and apparatus for manufacturing bent products
11/12/1998WO1998050663A1 Method for producing bent hollow profile strips
11/12/1998WO1998034726A3 Honeycomb body with cross-sectional area framed in the interior, particularly for small-power motors
11/12/1998DE19820473A1 Bending press for ductile metal plates
11/12/1998CA2237350A1 Method and apparatus for fabricating a hollow body
11/11/1998EP0876863A1 Bearing race ring manufacturing process and correspoding tool arrangement
11/11/1998EP0876860A2 Method and apparatus for making bulged hollow profiles
11/11/1998EP0876859A2 Method and apparatus for making axle housings for motor vehicle
11/11/1998CN1198693A Method of molding cylindrical portion of cylindrical material of sheet metal
11/11/1998CN1198692A Method of manufacturing pulley of sheet metal for V-belts
11/11/1998CN1198691A Method of molding cylindrical portion of central bore-carrying sheet metal
11/10/1998US5834651 Heat treated rapid response pressure gauge spring
11/10/1998US5832609 Method for producing a variable thickness rim for a vehicle wheel
11/10/1998US5832608 Method for the manufacture of a rotationally symmetrical part
11/10/1998CA2017086C Method of manufacturing a belt pulley
11/04/1998EP0875654A1 Method for fabricating bent hollow-profiled strips
11/04/1998EP0712338B1 Method for forming shaped members, method for producing frames, frames and shaped members
11/03/1998US5829299 Method and apparatus for making nipple holes in a double-walled hollow wheel rim of a spoke wheel
11/03/1998US5829297 Press apparatus for forming gear teeth
11/03/1998US5829291 Apparatus and process for forming metal member including bases portion and cylindrical portion formed on outer surface of the base portion such that the cylindrical portion is integral with the base portion
11/03/1998US5829137 Method for manufacturing wheels
10/1998
10/29/1998WO1998048201A1 Sprocket and method of manufacturing same
10/29/1998WO1998047644A1 Method for making wing-shaped parts and resulting parts
10/29/1998WO1998047642A1 Method for manufacturing of a plate type heat exchanger
10/29/1998WO1998047640A1 Joining metal components
10/29/1998DE19818365A1 Sintered cutting tool made of titanium
10/29/1998DE19716816A1 Diving method for work shaped by internal high pressure
10/28/1998EP0873437A1 Method of producing a spinning or twisting ring, and a spinning or twisting ring produced by the method
10/28/1998CN2295542Y Automatic apparatus for making metal digit labels
10/27/1998US5826988 Cage for needle roller bearings and method of producing same
10/27/1998US5826452 Method for the manufacture of a machine part with external teeth
10/20/1998US5823729 Tee nut and method of manufacturing the same
10/20/1998US5823253 Plate heat exchanger and method for its manufacture
10/20/1998US5823082 Apparatus for manufacturing support members for razor blades
10/20/1998US5822840 Method of manufacturing spring hinges
10/15/1998WO1998045067A1 Method for the production of a lock ring and lock ring thus produced
10/15/1998DE4294860C2 Mfr. of rotary member from metal sheet
10/15/1998DE19820472A1 Profiled hollow body
10/15/1998DE19714982A1 Verfahren zur Herstellung eines Verschlußringes mit einer umlaufenden Siegelfläche zum Aufsiegeln einer Verschlußmembran und einem Bördelrand zum Aufbringen des Verschlußringes auf den Rand eines Gebindes sowie nach dem Verfahren hergestellter Ring A process for producing a closure ring having a circumferential sealing surface for sealing a closure membrane and a flared flange for application of the closure ring on the rim of a container, as well as by the process produced ring
10/15/1998DE19714888A1 Production of three=dimensional object in sheet, e.g. deep-drawn, closed vessels
10/14/1998EP0870649A2 Apparatus and method for making an automotive bumper beam
10/14/1998EP0812379B1 Assembled multi-layer shafts
10/14/1998CN1196007A Shaped article of sheet metal having peripheral wall and method of increasing peripheral wall thickness
10/13/1998US5819575 Manufacturing apparatus of a corrugated fin and method of manufacturing the same
10/13/1998US5819384 Heat exchanger tubing production plant
10/13/1998CA2131897C Shaft clutch mechanism and its production
10/08/1998WO1998044247A1 Muffler and its manufacturing method
10/08/1998WO1998034725A3 Method and device for producing a honeycomb body
10/08/1998DE19713411A1 Procedure for manufacture of double=walled exhaust bends
10/07/1998EP0868235A1 Method for fabricating a one-piece metal vehicle wheel
10/07/1998CN1194892A Steel plate cold stamping shaped universal-joint yoke and making method thereof
10/06/1998US5816321 Heat exchanger tank to be mounted in a heat exchanger and method of producing it
10/06/1998US5815913 Method and apparatus for manufacturing a heat exchanger
10/01/1998DE3991700C2 Method of forming lugs of sheet metal poly-v-groove-pulley
10/01/1998DE19814361A1 Method for producing corner zone of torque converter component
10/01/1998DE19712939A1 Non-chipping production of metal ring for use in e.g. torsional vibration dampers
09/1998
09/30/1998EP0867630A1 Method of manufacturing a rotor for an electromagnetic clutch assembly
09/29/1998US5813718 Guard beam for automotive door structure
09/24/1998WO1998041740A1 Method for manufacturing a rocker arm
09/23/1998EP0865938A1 Method of producing light alloy wheels
09/23/1998EP0865841A2 Process for stretch forming hollow metal bodies
09/23/1998EP0865838A1 A heat transfer tube and method of manufacturing same
09/23/1998EP0865598A1 Heat exchanger
09/23/1998CN1194013A Manufacture of thin pipes
09/23/1998CN1193722A Heat transfer tube and method of manufacturing same
09/22/1998US5809820 Spring washer and method for making the same
09/22/1998US5809649 Method for the manufacture of a machine part having external toothing
09/22/1998US5809643 Method for making piston rings
09/22/1998CA2133853C Distortion free heat treated metal stampings
09/17/1998DE4244802C2 Method for forming boss made of metal
09/16/1998EP0864388A1 Method for the manufacture of a crank-shaft, in particular for an internal-combustion-engine
09/16/1998EP0783425B1 Ladder frame assembly for a motor vehicle
09/15/1998US5806645 Rotary hub component in a plate clutch assembly
09/15/1998US5806373 Gear and method for manufacturing same
09/15/1998US5806358 Method and apparatus for the manufacture of a workpiece having a boss
09/15/1998US5806173 Tube expander
09/10/1998DE19709513A1 Production of shaped components from sheet metal blanks joined to one another
09/09/1998EP0863419A1 Optical fiber ferrule sleeve
09/09/1998EP0863418A1 Optical fibre ferrule sleeve material, split sleeve and method of manufacturing a split sleeve
09/09/1998EP0863029A2 High strength steel sway bars and method of making
09/09/1998EP0719611B1 Flat tube brazing method for laminated heat exchangers
09/09/1998EP0657231B1 Band plate bending apparatus
09/09/1998CN2290425Y Sections
09/08/1998US5803517 Vehicular bumper beam and method for fabricating the same
09/08/1998US5803164 Multiple finned tube and a method for its manufacture
09/08/1998US5802718 Method for leather wrapping of a steering wheel
09/03/1998WO1998038017A2 Razor blade and cartridge including same and method of making same
09/03/1998WO1998037784A1 Making items of jewellery and apparatus therefor
09/03/1998CA2282265A1 Making items of jewellery and apparatus therefor
09/02/1998EP0861409A1 Serpentine heat exchanger
09/02/1998EP0861133A1 Razor blade manufacture
09/02/1998CN2289623Y Hydraulic mould machine for austral window
09/02/1998CN1191964A Heat exchanging fin and thin plate for the same
09/02/1998CN1191781A Formed part having multiple-plate structure of zonal design
09/01/1998US5800024 Motor vehicle rear axle and method of producing same
09/01/1998US5799524 Pressure forming and piercing a hollow body
09/01/1998US5799397 Method of producing a pipe with a partition
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