Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484)
07/2008
07/09/2008CN201082452Y Pipe end spinning enlarging flanging press
07/09/2008CN201082451Y Pipe end spinning enlarging turnup device
07/09/2008CN201082444Y Device for forming round-smooth roll rim for metal sheet eyelet work
07/02/2008CN201079902Y Processing device for brass-wind instruments trumpet chassis
07/02/2008CN201079810Y Punching flanging composite forming die for digital control turret punching machine
07/02/2008CN201079807Y Metal pipe flanging device
07/02/2008CN201079806Y Cutting press
07/02/2008CN101209477A Method for forming end socket of beam-like part
07/02/2008CN101209476A Method for forming part with bigger height difference of shape-face
07/02/2008CN101209475A Method for forming part with hole
07/02/2008CN101209473A Method of preparing fluid dividing cover
07/02/2008CN101209472A Method of preparing lining for cars
07/02/2008CN101209468A Flanging device for welding air feedback tube and technical pipe and using method thereof
07/01/2008US7392683 Method for producing a rolled edge
06/2008
06/26/2008WO2008074778A1 Flanging bed, flanging device, and method for flanging workpieces
06/26/2008WO2008074775A1 Folding device, and method for folding workpieces
06/26/2008DE102006059963A1 Bördelbett, Bördeleinrichtung sowie Verfahren zum Bördeln von Werkstücken Flanging, flanging, and methods for flanging of workpieces
06/25/2008EP1935529A1 Device for curling the edges of one-piece tubular rivets and/or one-piece grommets or for pressing together two-piece tubular rivets and/or two-piece grommets
06/25/2008CN201076991Y Axially adjustable buoyancy turntable
06/25/2008CN201076885Y Flanging die for opening thin-walled shaft sleeve
06/25/2008CN101204723A Method of, and apparatus for, manufacturing metallic bellows
06/24/2008US7389666 Method for treating the surface of a machine element
06/18/2008CN201073671Y Composite reamer block structure for die flanging and trimming
06/18/2008CN201073670Y Briquetting device for automobile door corner tipping
06/18/2008CN201073668Y Rolling circle curling machine
06/18/2008CN101203337A Hemming method and hemming device
06/18/2008CN101199973A Oblique flange hole technology of mould punching
06/12/2008WO2008068314A2 Flanging hand tool
06/11/2008CN201070652Y Rotary header divided edge follow-up cutter device of large-scale rotary header spinning flanging press
06/11/2008CN201070651Y Random adjustable auxiliary drop panel mechanism of rotary header spinning flanging press
06/11/2008CN201070650Y Shaping wheel curvature radius centre point superposition mechanism of large-scale rotary header spinning flanging press
06/11/2008CN201070649Y Left and right side plate of large-scale rotary header spinning flanging press
06/11/2008CN201070648Y Float positioning device of automatic profile modeling scaleplate of large-scale rotary header spinning flanging press
06/11/2008CN101195139A Flanging technique of multifunctional hydraulic pressure flanging machine
06/04/2008CN201067777Y Reversal inclined wedging flanging device
06/04/2008CN101190449A Flanging shaping method for die orifice without concave die
05/2008
05/21/2008EP1923146A2 Screening apparatus
05/21/2008EP1755802B1 Crimping tool and device provided therewith
05/20/2008US7374157 Spring assembly and method for manufacturing the same
05/15/2008DE4112956B4 Vorrichtung zum Verschließen von Kolben-Zylinder-Aggregaten Device for closing piston-cylinder units
05/14/2008EP1372880B1 Method for producing a rolled edge
05/13/2008US7370397 Tool kit and method for repairing a damage vehicle body member with a hem flange
05/07/2008CN201055881Y Metallic grain elevator curling machine
05/07/2008CN100386164C Aluminum alloy plate member having hem portion
04/2008
04/30/2008DE102007051331A1 Production of a double-walled pipe from a single-walled tubular piece comprises applying one end of the tubular piece to a shaping surface of a tool die, moving the end of the piece relative to the shaping surface and further processing
04/30/2008DE102006050371A1 Flanging arrangement for connecting a container wall along a lower edge strip of the wall to a base comprises a flanging tool with flange segments arranged along an outer edge of the base in a receiving position of the arrangement
04/30/2008CN101169625A Fraze pressing system and method
04/23/2008CN201049368Y Toll for forming metal pipe port evaginable flat edge
04/23/2008CN101166588A Method for roll hemming and apparatus thereof
04/23/2008CN101164733A Deburring pulling pressing device
04/23/2008CN101164712A Roller hemming method and hemmed member
04/22/2008US7360390 Method for securing corner connectors within a duct section
04/10/2008WO2008040902A1 Method for assembling the roof of an automotive vehicle by rotating-knurl folding
04/09/2008CN101157101A An online close technique for shaped steel closing hatch
04/09/2008CN100379504C Flanging device and flanging method with component protection
04/08/2008CA2349890C Bordering and/or crease-closing machine and method for operating the same
04/02/2008CN101156014A Flared cone fitting
04/02/2008CN101152694A Manufacture of automatic disk drive for cars and induction method thereof
04/01/2008US7350823 Double pipe forked part structure and method of making the same
03/2008
03/26/2008EP1901863A1 Method and device for the integral moulding of a flange to the end of a round or oval pipe of thin-walled sheet metal and pipe produced by the method
03/18/2008US7343961 Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique
03/13/2008US20080061555 Flared cone fitting
03/13/2008CA2569192A1 Method for the reinforcement of a wall region of a three-dimensional attachment
03/12/2008EP1360022B1 Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve
03/12/2008CN201033338Y Bone-shape forming machine of the locking structure of metal processing air conduit
03/12/2008CN101138775A Differential roller device for the bearing liner flanging press
03/06/2008DE112005003561T5 Walz-Umschlagverfahren und Walz-Umschlagvorrichtung Roll-envelope method and roll-handling device
03/05/2008CN201030407Y Forming device of multi-station pipe end forming machine
03/05/2008CN201030401Y Forming device of special pipe end forming machine
03/04/2008US7337648 Clamp and repair tool
02/2008
02/27/2008CN101130199A Hemming work system of body panel for vehicle
02/20/2008CN201023106Y Metal plate edge folding machine
02/20/2008CN101125350A Force control rocking-rolling type rolling sealing machine tool
02/20/2008CN100369692C Flanging arrangement for wall hole of thin metal pipe
02/20/2008CN100369691C Outward turnup tool device
02/20/2008CN100369690C Flanging arrangement for wall hole of thin metal pipe
02/13/2008CN201020499Y Turning, squeezing, punching and protruding forming die
02/13/2008CN101121189A Keel expansion forming technology
02/13/2008CN100368107C Process for drawing mouthpiece boss of metal pipe for automobile
02/12/2008CA2414333C Apparatus for strip processing
02/07/2008DE102006036009A1 Verfahren zum Verbinden von Schalenteilen A method for joining shell portions
02/07/2008DE102006035987A1 Process for production of flanged edge on a sheet involving preflanging, bending and intermittent stamping of a sheet strip useful in metal sheet flanging is cheaper than previous processes
02/06/2008CN100366359C Negative-angle press-working die
01/2008
01/30/2008CN201012377Y Pipe eyelet extending, punching, and shrinking and/or raw edges processing device
01/30/2008CN201012375Y Eyelet punching flanging composite mold
01/29/2008CA2367019C Tool for automatic roll folding
01/23/2008CN201009079Y Welded-wire fabric uncoiling flattening shear forming machine
01/22/2008CA2086272C Pipe ring crimping tool
01/17/2008DE10100868B4 Kaltwalz-Umformmaschine und Werkzeug zum Herstellen von flanschförmigen Erzeugnissen bzw. von Flanschen aus einem zylindrischen Vorprodukt Cold roll forming machine and tool for the manufacture of products flange or flanges of a cylindrical intermediate
01/10/2008DE10228169B4 Vorrichtung zum Formen von Öffnungen in Blechen Apparatus for forming holes in metal sheets
01/09/2008EP1543895B1 Composite fabrication facility of steel tube and fabrication method of steel tube
01/09/2008CN201002119Y Hydraulic type special-shaped sealing-head edge rotary cutting machine
01/09/2008CN201002114Y Support roller edge-riveting device
01/09/2008CN100360866C Tank for heat exchanger and tis producing method
01/02/2008CN200998751Y Hand held corrugated pipe boring mould
01/02/2008CN200998747Y Brass pipe T-shaped orifice drawing device
12/2007
12/27/2007US20070296249 Panel fastening method and panel member for automobile
12/27/2007DE102006029124A1 Device for flanging thin-walled metal sheets used in the automobile industry uses a stamp and an over-arm operating according to the hinge principle to independently fit a metal sheet to be projected
12/27/2007DE102006028833A1 Verfahren zum Falzen eines Randes eines Blechbauteils, insbesondere eines Blechbauteils einer Kfz.-Karosserie Method for folding an edge of a sheet metal component, in particular a sheet metal part of a Kfz. body
12/27/2007DE102004032392B4 Verfahren und Vorrichtung zum Umlegen von Bördelkanten eines Werkstücks Method and device for overlaying of flanged edges of a workpiece
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