Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
---|
05/03/2000 | EP0997206A1 Method of making a hub or a shaft |
05/03/2000 | EP0996760A1 A method for improving the hemmability of age-hardenable aluminum sheet |
05/02/2000 | US6055836 Flange reforming apparatus |
04/25/2000 | US6053027 Press apparatus and press system |
04/19/2000 | EP0993884A2 Apparatus and method for flanging sheet metal edges |
04/05/2000 | CN2372076Y Thin-wall cylindrical end flanging device |
03/23/2000 | WO2000015368A1 Method for manufacturing a one-piece torsional vibration damper retainer plate |
03/22/2000 | EP0669863B1 Process and apparatus for welding and other heat treatments |
02/23/2000 | EP0686441B1 Structure for and method of joining metal plate materials |
02/09/2000 | EP0978334A2 Hemming apparatus |
02/09/2000 | EP0978333A2 Punch holder apparatus |
02/08/2000 | US6021571 Apparatus for forming collars in workpieces |
01/25/2000 | CA2165646C Device for coupling and flaring a metal pipe |
01/13/2000 | DE19931932A1 Chamfering routine with work feed handles sheet between top and spring-supported bottom tool as plungers in two-sided chamfer press. |
01/05/2000 | EP0885074B1 Method and device for producing stamped parts |
12/29/1999 | EP0809552B1 Headforming machine for expanding tube ends |
12/07/1999 | US5996386 Equipment and method for edging and tapering cylindrical body cans |
12/02/1999 | WO1999061764A1 Emission system part and method of manufacturing the part |
11/30/1999 | US5992198 Method and device for producing a tube in a tube plate |
11/24/1999 | CN2350144Y External angle profile device for trimming end of steel pipe |
11/16/1999 | US5983761 Method of punching template for forming a base plate of a tape cassette |
11/16/1999 | US5983496 Circular and oval flanged rings for connecting ducting and method of making |
11/10/1999 | EP0955111A1 Integral structure of sheet material and cylindrical member and production method thereof |
10/13/1999 | EP0868232B1 Method for forming a flange on a tube |
10/13/1999 | CN1045562C Process and apparatus for forming an outwardly curled lip on cylindrical container body |
10/05/1999 | US5960687 High-precision cutting and boring mill |
09/29/1999 | EP0945192A1 Method for stiffening a thin metal plate and board with stiffening edges produduced thereby |
09/28/1999 | US5956987 Machine for flaring pipe ends |
09/22/1999 | EP0943381A1 Apparatus and method for removing a burr on a cutting edge of a continuous casted part |
09/14/1999 | CA2168061C Burring processing method, jig for burring processing and burring processing apparatus |
09/07/1999 | US5948185 Relates to improvements in forming hems and hemmed bonds in such an aluminum sheet member. |
08/31/1999 | US5943899 Method of processing corners of metal panel |
08/31/1999 | US5943773 Branch pipe forming tool and method of forming branch pipe on metal tube with the tool |
08/26/1999 | DE19807845A1 Process for pressing metal parts |
08/17/1999 | US5937695 Knockout tool |
08/17/1999 | US5937691 Method of forming an inner flange on a sheet metal member having a cylindrical portion |
07/29/1999 | WO1999037419A1 Flanging device with pressing and clamping elements |
07/29/1999 | WO1999037418A1 Flanging device with flanging head |
07/29/1999 | CA2318544A1 Flanging device with pressing and clamping elements |
07/21/1999 | EP0930111A1 Flange reforming apparatus |
07/20/1999 | CA2181812C Pipe lap joint with improved collapsible sealing zone |
07/14/1999 | EP0739254B1 Workpiece-deforming tool and die for use in a punch press |
06/22/1999 | US5913931 Extended length rotary bending and forming devices and methods for manufacture thereof |
06/16/1999 | EP0922510A1 Method and device for forming a tube in a tube plate |
05/19/1999 | EP0917417A2 Method for producing a mounting plate |
05/14/1999 | WO1999022887A1 Extended length rotary bending and forming devices and methods for manufacture thereof |
04/22/1999 | DE19744372A1 Former for producing items with small flanges in a fluid cell or flexible pad press |
04/07/1999 | CN2312776Y Channel-curling machine |
04/01/1999 | WO1999015390A1 Method for manufacturing a tubular sheet metal beam having corbelled-out end sections and a sheet metal beam manufactured in accordance with the method |
03/31/1999 | CN1042703C Method of making brazeable metal pipe having tube-insertion apertures formed with guide lugs |
03/24/1999 | EP0903555A2 Fin for heat exchanger and method for making holes in such a fin |
03/02/1999 | US5876525 Bobbin body and process for producing the same |
02/18/1999 | WO1999007492A1 A method of producing a hardened sheet steel product |
02/16/1999 | US5872348 Method for forming a projection for projection welding |
02/11/1999 | WO1999006267A1 Vehicle body assembly |
01/26/1999 | US5863081 Pipe connection structure |
01/06/1999 | CN1204273A Method of forming boss integrally with sheet metal |
01/05/1999 | CA2127196C Frame forming member |
12/29/1998 | US5853275 Apparatus for flanging can bodies |
12/29/1998 | US5852873 Method of manufacture of a rotationally symmetrical part |
12/23/1998 | EP0885074A1 Method and device for producing stamped parts |
12/09/1998 | EP0882530A2 Method of cold confirmation of the double-walled end of a tube by turning over the first end-wall |
11/18/1998 | CN2297263Y Pressure connecting combined die |
11/17/1998 | US5836198 Combination square and bending tool |
11/12/1998 | WO1998050595A1 A method for improving the hemmability of age-hardenable aluminum sheet |
11/11/1998 | CN2296781Y Pipe electric bevelling machine |
11/05/1998 | DE19718014A1 Sheet metal container |
11/03/1998 | US5829219 Frame forming member |
10/29/1998 | DE19717024A1 Slotted-contact production system for switch chamber under vacuum |
10/27/1998 | US5826454 Device for flanging the end of a metal tube |
10/07/1998 | EP0868232A1 Method for forming a flange on a tube |
10/07/1998 | CN1195305A Method of forming relatively hard materials |
09/29/1998 | US5813267 Methods and apparatus for reducing flange width variations in die necked container bodies |
09/22/1998 | US5809649 Method for the manufacture of a machine part having external toothing |
09/15/1998 | US5806358 Method and apparatus for the manufacture of a workpiece having a boss |
09/01/1998 | US5799524 Pressure forming and piercing a hollow body |
08/25/1998 | US5798185 Joined structure and joining method of metal plates |
08/25/1998 | US5797291 Die set for manufacturing heat exchanging fin of heat exchanger |
08/18/1998 | US5794501 Method of punching template for forming a base plate of a tape cassette |
08/12/1998 | EP0857525A1 Thin sheet forming dies |
07/30/1998 | DE19801341A1 Method of forming internal flange on sheet metal part |
07/29/1998 | EP0855234A2 Flanging apparatus |
07/28/1998 | US5784916 Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members |
07/28/1998 | US5784915 For joining overlapping edge portions of two sheet metal parts |
07/28/1998 | CA2225314A1 Flanging apparatus |
07/21/1998 | US5782128 Hand tool for flaring a tube |
07/16/1998 | DE19700871A1 Producing hub of road vehicle steering wheel |
07/08/1998 | CN2285701Y Metal pipe head mfg. machine |
07/01/1998 | EP0851165A2 Method and device for producing a pipe elbow |
06/24/1998 | CN1185575A Steel-board bending device for refrigerator door |
06/09/1998 | US5761947 Edge treatment tool |
06/04/1998 | WO1998023438A1 Press apparatus and press system |
05/28/1998 | WO1998022239A1 Integral structure of sheet material and cylindrical member and production method thereof |
05/19/1998 | US5752402 Vibratory or rocking edge treatment tool |
05/07/1998 | WO1998018582A1 Method of producing a hub without cutting |
05/06/1998 | EP0839076A1 Method of forming relatively hard materials |
05/05/1998 | US5746086 Driving device with force-limiting element for a bending unit |
05/05/1998 | US5746083 Hemming machine |
04/22/1998 | EP0836898A2 Apparatus for flanging the end of a tube |
04/22/1998 | EP0836897A2 Method of and device for making bent- or torsion loaded structural steel beams with U or V profile |