Patents for B21D 53 - Making other particular articles (18,517)
12/1997
12/30/1997US5701655 Method and apparatus for making brake shoes
12/29/1997EP0814312A2 Process for the manufacture of coaxial coiled tubes and heat exchanger with coaxial coiled tubes
12/24/1997WO1997048910A1 Method of producing anchor and anchor
12/24/1997WO1997048508A1 Method for manufacturing cutting blades for a rotor type mower
12/24/1997CN1036768C Processing equipment for continuously and synchronously boring hub
12/23/1997US5699689 Method of and apparatus for forming a disc-shaped blank
12/18/1997WO1997047482A1 Vehicle wheel
12/17/1997EP0812379A1 Assembled multi-layer shafts
12/17/1997CN1167707A Brush of windscreen wiper with articulated structural member specially adapted for car
12/16/1997US5697433 Heat-exchanger conduit for tube-stacking type heat exchanger and method of manufacturing it
12/16/1997US5697246 Pressing method and pressing apparatus for the same
12/16/1997US5697154 Method of producing a fluid injection valve
12/16/1997CA2123575C Hollow diamond cut rope chain and method of making same
12/11/1997WO1997046341A1 Process and device for producing camshafts
12/11/1997DE19723801A1 Heat exchanger collector with offtake tubes
12/11/1997DE19622372A1 Verfahren und Vorrichtung zum Herstellen von Nockenwellen Method and apparatus for producing camshafts
12/11/1997CA2257354A1 Process and device for producing camshafts
12/10/1997CN2269911Y Section 3-D bending machine of vertical and horizontal composite shaping
12/09/1997US5694803 Fin folding machine for corrugating sheet material
12/09/1997US5694687 Method for producing a fabricated vehicle wheel
12/04/1997WO1997045217A1 Metal tank
12/04/1997CA2256536A1 Metal tank
12/03/1997EP0810103A1 Ball-point pen refill and method of manufacturing the same
12/03/1997EP0810045A2 Method and apparatus for forming a leaf spring eye
12/03/1997EP0809778A1 Finned tube heat exchanger with secondary star fins and method for its production
12/03/1997CN1166879A Spring hinge
12/02/1997US5692295 Apparatus for producing an end closure
11/1997
11/27/1997DE19720133A1 Compound link rear axle for motor vehicle
11/27/1997DE19713440A1 Rotation-symmetrical workpiece production method
11/26/1997EP0808678A1 Method and apparatus for making a poly-v-pulley
11/26/1997EP0808677A1 Machine for automatically manufacturing puzzle-lock compression rings
11/26/1997CN2268592Y Aluminum-plastic composite sectional material
11/20/1997WO1997043084A1 Heat exchanger core method and apparatus
11/20/1997DE19723557A1 Production of rotationally symmetric component
11/19/1997EP0807025A1 Vehicle wheel and method of producing the same
11/19/1997EP0682572A4 Staple forming.
11/18/1997US5687596 Calendering aluminum profiles for producing spacer frames for insulating glazing units
11/18/1997US5687473 Apparatus and method for mounting a hairpin tube to a heat exchanger
11/13/1997DE19617219A1 Hollow shaft e.g. as camshaft
11/12/1997EP0806617A2 Method for producing evaporators for refrigeration circuits, and the evaporator obtained
11/12/1997CN2267109Y Equipment for forming crooked metallic conencting rod
11/12/1997CN2267108Y Single formation stamping mould for making side wall of coach (or car)
11/12/1997CN1164729A Method of manufacturing bottomed hollow cylinder using press
11/12/1997CN1164448A Method for making variable-pitch screw blade wheel
11/12/1997CN1164447A Die set for manufacturing heat exchanging fin of heat exchanger
11/11/1997US5685212 For removing material from a key blank
11/11/1997US5685190 Expanding mandrel, expanding method and expanding apparatus using the expanding mandrel and heat exchanger with heat exchanging tubes expanded by the expanding method
11/11/1997US5685075 Method for brazing flat tubes of laminated heat exchanger
11/11/1997US5685066 Tube expanding assembly
11/04/1997US5682677 Linear friction welding process for making wheel rims
10/1997
10/30/1997DE19714631A1 Self-supporting motor vehicle body
10/30/1997CA2201950A1 Method and apparatus for forming a leaf spring eye
10/29/1997CN1163167A Method for producing big and small toothed plate of angle regulator for automobile seat
10/28/1997US5680695 Hairpin lacing apparatus
10/23/1997WO1997038821A1 Working machine equipped with mechanism for inclining machining means
10/23/1997DE19713398A1 Highly ductile aluminium@-manganese@-iron@-magnesium@ alloy
10/23/1997DE19615867A1 Manufacture of windscreen wiper hinged section
10/23/1997DE19615675A1 Procedure for manufacture of aircraft wheel
10/23/1997DE19614993A1 Procedure for manufacture of axially symmetrical component, especially aircraft wheel
10/22/1997EP0784519A4 Method of making a paper clip
10/21/1997US5679106 Roller for forming corrugated fin
10/21/1997US5678309 Process for preparing a leaf-shaped oscillatory spring for electric diaphragm pumps
10/21/1997CA2075629C Process for the production of a heat exchanger and apparatus for carrying out the method
10/15/1997EP0800891A1 Method for manufacturing cutting elements
10/15/1997EP0800426A1 Method for making flat components, and resulting flat components
10/15/1997CN1162291A Ladder frame assembly for a motor vehicle
10/09/1997DE19613586A1 Connecting device making process
10/07/1997US5673929 Process of hydroforming tubular suspension and frame components for vehicles
10/02/1997WO1997035733A1 Lightweight sheet-steel wheel for vehicles
10/01/1997CN1161077A Abrasion resistant ring for a piston for an engine and method and device for producing the same
10/01/1997CN1160845A Process for producing flat heat exchanger tubes
09/1997
09/30/1997US5672216 Placing overlying netal sheets in press, forming, heat treating, clamping, welding
09/25/1997DE19610501A1 Heat or matter exchange system with enamelled and perforated tube plate
09/23/1997US5669992 Bumper beam making process
09/23/1997US5669440 Heat exchanger having a welded pipe which has a reduced wall thickness at location of the weld seam
09/23/1997US5669260 Method of manufacturing a c-shaped rail with profiled surfaces
09/17/1997EP0795698A1 Method of producing a composite camshaft and a tool for carrying out said method
09/17/1997EP0795363A2 Working tool for pipe wall
09/17/1997EP0794843A1 Fin folding machine for corrugating sheet material
09/17/1997EP0691893B1 Wheel rim
09/16/1997US5666727 Method of manufacturing a passenger compartment from a cylindrical tube
09/11/1997DE19643820C1 Method for swarfless production of hub for rotation-symmetrical gear part from metal plate
09/09/1997US5664463 Camshaft assembly with shaft elements positioned one inside the other and method of producing same
09/09/1997US5664329 For supporting a tire
09/04/1997WO1997031792A1 Light metal rim ring and method for constructing it
09/04/1997WO1997031731A1 Wheel rim manufacture
09/04/1997DE19708027A1 Method of manufacturing metallic gear disc
09/03/1997CN2261305Y Key Punching press
09/02/1997US5662349 For a vehicle
09/02/1997US5661993 Punch tool and method for manufacturing truss plates
08/1997
08/27/1997EP0791738A1 Abrasion resistant ring for a piston for an engine and method and device for producing the same
08/27/1997CN2260675Y Packing-buckle forming machine
08/26/1997US5660593 Outer joint part produced as a formed plate metal part
08/21/1997DE19605471A1 Roller bearing cage manufacturing method
08/20/1997EP0790087A1 Corner joining machine for manufacturing of window and/or door frames
08/20/1997CN2259954Y Aluminium alloy shaped material for making window frame assembly
08/19/1997US5657605 Metal lattice
08/14/1997WO1997028914A1 Method for making a wheel for a land motor vehicle
08/14/1997DE19701565A1 Procedure for manufacturing gear component
08/06/1997EP0788197A1 Circuit board assembly plug connector