Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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12/26/1995 | US5477720 Device for roller-flanging cylindrical bodies |
12/20/1995 | EP0687513A1 Bending machine |
12/13/1995 | EP0686441A1 Structure for and method of joining metal plate materials |
12/13/1995 | EP0594810B1 Bobbin body and process for producing the same |
12/12/1995 | US5474437 Metallic die device for press machine |
12/06/1995 | EP0685610A1 Girder made of metal, in particular of steel, manufactured from a web and at least one flange, by welding them together using radiant energy and a method of manufacturing the same |
11/08/1995 | CN2211862Y Press button type mouth gripper |
11/07/1995 | CA2100803C Apparatus for flanging containers |
10/31/1995 | US5462424 Metallic die device for press machine |
10/25/1995 | CN1110636A A die set |
10/10/1995 | CA1337253C Bending apparatus |
09/21/1995 | DE4408883A1 Method and appts. for producing a flange joint |
09/20/1995 | EP0671982A1 Zone heating apparatus |
09/13/1995 | EP0670942A1 Outflow element for rain-water drainage and method for the fabrication thereof. |
09/13/1995 | CN2207243Y Portable thermal-molten pipline edge folding apparatus |
09/06/1995 | EP0669863A1 Process and apparatus for welding and other heat treatments |
08/17/1995 | WO1995021711A1 Improved hemming machine |
08/17/1995 | WO1995021710A1 Improved hemming machine |
08/08/1995 | CA1336555C Method and conversion apparatus for the conversion into a collar of an edge portion around a hole in a blank using a converter tool and converter mandrel suitable for the conversion apparatus |
07/27/1995 | WO1995019856A1 Driving device for a bending unit |
07/25/1995 | US5435162 Zone heating apparatus |
07/20/1995 | WO1995019233A1 Workpiece-deforming tool and die for use in a punch press |
07/20/1995 | DE4400875A1 Method for reshaping tube end into profile |
07/11/1995 | US5431619 Process and apparatus for forming an outwardly curled lip on cylindrical container body |
06/28/1995 | CN1104134A One-time forming machine for bite edges at two ends of thin plate |
06/27/1995 | US5426967 Apparatus and method for forming bullnose corner bead |
06/20/1995 | US5425259 Forming machine for bending metal strips |
05/31/1995 | EP0655287A2 Bordering tool |
05/31/1995 | CN1028618C Method and apparatus for forming, reforming and curling shells in single press |
05/31/1995 | CN1028617C Die Assembly for and method of forming metal end unit |
05/23/1995 | US5417097 Process and apparatus for press forming |
04/25/1995 | US5410123 Process and apparatus for welding annular bellows |
04/20/1995 | DE4335174A1 Process for bending metal sheets, and bending-off press for carrying out the process |
04/12/1995 | EP0647487A1 Machine for forming a curl |
04/05/1995 | CN2193779Y Microcomputer-controlled hydraulic automatic edge-curling machine |
03/15/1995 | CN1100012A Apparatus for rolling winding edge |
03/07/1995 | US5394729 Sheet metal bending tool |
02/21/1995 | US5390521 Ridge roller device |
02/21/1995 | CA1334496C Bending apparatus |
02/16/1995 | WO1995004615A1 Zone heating apparatus |
02/01/1995 | CN1098033A Process and apparatus for forming an outwardly curled lip on cylindrical container body |
01/26/1995 | DE4345201A1 Bending apparatus for flat steel bars |
01/18/1995 | CN2187501Y Shaping device for pipe outer flange |
01/04/1995 | EP0631924A1 Frame forming member |
12/14/1994 | EP0628362A2 Press tool |
12/14/1994 | EP0627967A1 Method and apparatus for flattening portions of a corrugated plate |
12/07/1994 | EP0627273A2 Press tool |
11/30/1994 | EP0626254A2 Process and apparatus for forming an outwardly curled lip on cylindrical container body |
11/30/1994 | EP0626222A1 Procedure and apparatus for forming a rectangular collar at the end of a pipe |
11/29/1994 | US5367770 Method for embossing indented door light opening edge |
11/17/1994 | EP0624411A1 Method of bending plates and press brake for carrying out the method |
11/17/1994 | DE4315706A1 Method for bending metal sheets and a bending press for carrying out the method |
11/09/1994 | EP0623405A1 Device for flanging cylindrical bodies by rolling |
10/25/1994 | US5357665 Apparatus for executing hemming process |
10/18/1994 | US5355722 Conduit flaring apparatus |
10/06/1994 | DE4311228A1 Method and edge-bending press for forming the edge strips on a metal sheet to be formed into a slotted tube |
10/05/1994 | CN1026086C Connector of convey belt and production of same |
09/13/1994 | US5345801 Procedure and apparatus for forming a rectangular collar at the end of a pipe |
08/30/1994 | US5341668 Method of forming a vessel pouring spout |
08/02/1994 | US5333482 Method and apparatus for flattening portions of a corrugated plate |
07/28/1994 | DE4312746C1 Flanging device for insulating tape of electric motor stator windings |
07/26/1994 | US5331833 Method of operating an upsetting press |
07/26/1994 | CA2017584C Bent pipe |
07/14/1994 | DE4300316A1 Flat iron@ folding mechanism with several gripper jaws |
07/06/1994 | EP0604788A1 Method of forming a vessel pouring spout |
07/06/1994 | CN1025298C Method and device for forming sheet-metal blank,in particular in order to make cathode ray tube mask |
07/01/1994 | CA2109653A1 Method of forming a vessel pouring spout |
06/14/1994 | US5320468 Tin can manufacturing process |
05/24/1994 | US5314006 Sheet metal heating package for regenerative heat exchangers as well as a method and apparatus for manufacture of profiled metal sheets for such sheet metal heating packages |
05/11/1994 | WO1994009927A1 Method and apparatus for flattening portions of a corrugated plate |
05/11/1994 | CA2123510A1 Method and apparatus for flattening portions of a corrugated plate |
05/10/1994 | US5309622 Pressing tool for the production of multilayer formed plates |
05/04/1994 | EP0594810A1 Bobbin body and process for producing the same. |
05/03/1994 | CA2015754C Die assembly for and method of forming metal end unit |
04/28/1994 | WO1994009225A1 Outflow element for rain-water drainage and method for the fabrication thereof |
04/28/1994 | WO1994008750A1 Process and apparatus for welding and other heat treatments |
04/28/1994 | CA2147607A1 Process and apparatus for welding and other heat treatments |
04/12/1994 | US5301414 Process for shaping a reinforcement on the extremities of the internal casing of an elastic joint, after molding, and its applications |
03/22/1994 | US5295390 Method of burring |
03/16/1994 | CN1083749A Flanged angle material and U-shape material |
03/10/1994 | DE4316165C1 Weld prepn of shell wall abutment faces - to ensure reliable weld gap tolerance for plasma laser butt welding |
03/09/1994 | EP0585613A1 Sheet rolling machine |
02/22/1994 | US5287718 Curl forming method for a can end |
02/16/1994 | CN2155967Y Edge folding die for stainless steel pipe end |
02/02/1994 | EP0581650A1 Improvements to apparatus for flanging containers |
01/27/1994 | DE4224423A1 Sheet metal body panel for motor vehicle - has lock seam, which is curved, so that inner part surfaces almost touch |
01/26/1994 | EP0579894A1 Metal sheet shaped to achieve polygonal articles with weldless edges at the vertices and manufacturing method for said article |
01/26/1994 | EP0579893A1 Apparatus for forming weldless edges on sheet metal articles |
01/19/1994 | CN1080883A A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
01/05/1994 | EP0577239A1 A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
01/05/1994 | EP0576796A1 Metallic die device for press machine |
01/05/1994 | DE4221332A1 Plant for simultaneous deburring of strip edges - has wide strip passing through slitting arrangement and leaves as separate strips of equal width, with twisting to allow edge grinding |
01/05/1994 | DE4221331A1 Strip edge flash removal - has profiled tilting and separation rollers pointing up and down for simultaneous flash removal from strips only at the cut edges |
12/21/1993 | US5271256 Tooling module for stamping and forming machine |
12/14/1993 | US5269167 Universal aerial cam unit |
12/09/1993 | DE4301392A1 Bordering and flanging tool for folding and/or widening car mudguards - has bordering roller for pressing against mudguard while housing edge coupled to fastening flange |
12/02/1993 | DE4217758A1 Bending end of strip into hooked shape - involves set of rollers and triangular section core to exert bending action |
11/24/1993 | EP0570641A1 Method of forming a tube to header joint |
11/20/1993 | CA2083408A1 Clinched tube to header joint |
11/16/1993 | CA2096303A1 Spin flow necking apparatus and method of handling cans therein |