| Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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| 12/26/2007 | CN200995251Y Turnup apparatus for muffler and technological pipe welding |
| 12/26/2007 | CN200995242Y Turnup mould with saddle-shaped lining |
| 12/26/2007 | CN101091976A Integral drawn technique for faceplate of buffet dinner stove |
| 12/26/2007 | CN101091975A Restriction boost type mould for introversive tube |
| 12/19/2007 | EP1866107A2 Radial expansion system |
| 12/19/2007 | CN200991735Y Automatic tip-grinding machine feeding device |
| 12/13/2007 | US20070283739 Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve |
| 12/12/2007 | CN200988074Y Forming device of tube end forming machine |
| 12/12/2007 | CN101085501A Method for processing thin wall metal elbow |
| 12/12/2007 | CN101085461A Three-way shaping and mouth shaping die and shaping and mouth shaping method for the same |
| 12/05/2007 | CN200984603Y Generatrix round angle processing hydropress |
| 12/05/2007 | CN101081419A Rolling depression method and apparatus for copper belt part processing for transformer |
| 12/05/2007 | CN101081418A Large-sized end enclosure rotary extrusion flanger |
| 12/05/2007 | CN101081417A Beading machine |
| 11/29/2007 | US20070271991 Crimpong Tool and Device Provided Therewith |
| 11/28/2007 | CN200981091Y Unloading device back of digital camera component making flanged holes |
| 11/21/2007 | CN100349666C Rotary disc assembly of circular container frame-adding machine |
| 11/21/2007 | CN100349665C Frame-adding machine for circular container |
| 11/20/2007 | US7296450 Apparatus and method for production of tapered steel pipe |
| 11/15/2007 | WO2007129035A1 Device for preparing pipe ends for jointing |
| 11/15/2007 | DE102006021876A1 Edge crimping system for sheet metal components comprises pre-crimping machine, crimping machine and robot which transports workpieces between them |
| 11/14/2007 | CN200974100Y Hydraulic pressure head withdrawing machine |
| 11/14/2007 | CN200974093Y Flanging forming die without concave die port |
| 11/14/2007 | CN200974091Y 风机法兰成型机 Fans flange forming machine |
| 11/14/2007 | CN101069913A Metal pipe flatening mill |
| 11/08/2007 | WO2007125051A1 Method and device for producing low-springback half shells and a hollow profile consisting of two of such low-springback half shells |
| 11/08/2007 | WO2007124792A1 Process and apparatus to make an edge or a collar featuring a complex structure on metal rough pieces |
| 11/08/2007 | DE10223637B4 Biege-Werkzeug Bending tool |
| 11/07/2007 | CN200970611Y Metal fuel box folding brake |
| 11/06/2007 | US7290423 Roller hemming apparatus and method |
| 11/01/2007 | WO2007123717A1 Apparatus for curling an article |
| 10/31/2007 | EP1848910A1 Flared cone fitting |
| 10/31/2007 | CN100345643C Regular polygon blank cake edge knurling device |
| 10/25/2007 | US20070245792 Integrally formed flanged metal pipe and method of manufacturing thereof |
| 10/25/2007 | DE102006061989B3 Struktur- oder Fahrwerkbauteil für Kraftfahrzeuge Structural and chassis components for motor vehicles |
| 10/24/2007 | EP1758695A4 Cold roll forming apparatus |
| 10/24/2007 | CN200963657Y Necking and beading machine for two ends of solar energy water heater air-actuated outside barrel |
| 10/17/2007 | CN100342989C Trimming method for non-vertical flanged and intersecting-line flanged product |
| 10/11/2007 | DE102007005354A1 Panel material for motor vehicles, comprises edge where accumulated boards are fastened to provide improved joint strength while obtaining good edge of external appearance |
| 10/10/2007 | CN200957499Y Seat-tube machinery of bicycle |
| 10/10/2007 | CN200957437Y Multi-station pipe-wall hole turnup core rod |
| 10/02/2007 | CA2483113C Process for cold forming tube ends |
| 09/26/2007 | CN200951449Y Die for turning-up use |
| 09/26/2007 | CN100339167C Method for manufacturing cooling fin of heat exchanger and its die apparatus |
| 09/19/2007 | EP1758694A4 Improvements in welding hollow flange members |
| 09/13/2007 | WO2007101667A1 Flanging device and method for the roll flanging of workpieces |
| 09/13/2007 | DE202007007838U1 Rollbördelwerkzeug Rollbördelwerkzeug |
| 09/13/2007 | DE102006010469A1 Bördeleinrichtung sowie Verfahren zum Rollbördeln von Werkstücken Crimping and method for roll crimping of workpieces |
| 09/12/2007 | CN200945507Y Copper pipe flute-shaped porous semi-automatic broaching machine |
| 09/12/2007 | CN101032729A 轴孔形成方法 Shaft hole forming method |
| 09/05/2007 | CN200942412Y Pneumatic edge connecting machine |
| 09/05/2007 | CN101028639A Strained boost externally-turning mould |
| 09/05/2007 | CN100335187C Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
| 08/29/2007 | CN101024432A Enclosuring-hoop type curled-edge like enclosure, its sealing, clamping and making method |
| 08/29/2007 | CN101024233A Hemming machine and inspecting method thereof |
| 08/22/2007 | CN101020945A Plastic deforming chamfer process to raise fatigue strength of hole and opening position |
| 08/22/2007 | CN101020217A Forming device of multiple-site pipe end forming machine |
| 08/22/2007 | CN101020209A Forming device of forming machine for special pipe end |
| 08/15/2007 | CN101015893A Rustless steel container and its production method |
| 08/08/2007 | CN2930913Y Refrigerator door inner-plate edge folding apparatus |
| 08/08/2007 | CN101011717A Flanging process of saddle type lining and die |
| 08/02/2007 | DE10335239B4 Revolver-Bördelvorrichtung Revolver The flanging |
| 08/02/2007 | DE102005053674B4 Verfahren zur Herstellung von aus wenigstens zwei Gehäusebauteilen bestehenden Gehäusen aus Stahl von in Fahrzeugen verbauten Aggregaten A process for preparing consisting of at least two housing components housings made of steel built into vehicles aggregates |
| 08/02/2007 | DE102005017105B4 Elektromagnetische Abkant- und Falzvorrichtung und Verfahren Electromagnetic folding and folding apparatus and method |
| 07/26/2007 | WO2007082366A1 Stud with lengthwise indented ribs and method |
| 07/26/2007 | CA2675580A1 Stud with lengthwise indented ribs and method |
| 07/25/2007 | CN2925677Y Single-head arc punch of pipe |
| 07/25/2007 | CN2925676Y Double-head arc punch of pipe |
| 07/25/2007 | CN101005906A Improvements in welding hollow flange members |
| 07/20/2007 | CA2558989A1 Method and apparatus for forming and cutting vinyl tiles with rolled edges |
| 07/18/2007 | CN2923092Y Bent pipe arc-punching machine |
| 07/17/2007 | US7243524 Negative-angle press-working die |
| 07/17/2007 | US7243523 Metal unit nesting machine |
| 07/11/2007 | CN1994612A Electric locomotive motor fan housing integral forming process |
| 06/27/2007 | CN2915317Y Side-flanged mold piece discharge device |
| 06/21/2007 | WO2007069443A1 Method of producing ring-like member, backup ring. and seal structure for fuel injection valve |
| 06/20/2007 | CN2912859Y Flanging mold |
| 06/19/2007 | US7231745 Truss structure, structural members thereof, and a method of manufacture therefor |
| 06/19/2007 | CA2200791C Improved puzzle-lock compression ring |
| 06/14/2007 | WO2007066670A1 Hemming method and hemming device |
| 06/06/2007 | CN2907948Y Deformed sealing edge-curling machine without form |
| 06/06/2007 | CN1974053A Method for producing stewing basket by pressing |
| 05/30/2007 | EP1789897A2 Computational geometry design for sheet metal machinery corner |
| 05/30/2007 | CN2905260Y Tube grooving flanging processing apparatus |
| 05/30/2007 | CN2905259Y Novel curler with easily openable lid |
| 05/30/2007 | CN1972766A Cold roll forming apparatus |
| 05/29/2007 | US7222599 Rocker arm made of sheet metal and method of manufacturing the same |
| 05/29/2007 | US7222416 Edge bending apparatus |
| 05/24/2007 | US20070114268 Heat exchanger and manufacturing method for the same |
| 05/24/2007 | DE20321447U1 Vorrichtung zum randseitigen Umformen von Blechformteilen vorzugsweise für die Fahrzeugindustrie Apparatus for forming sheet metal edge-side moldings preferably for the automotive industry |
| 05/23/2007 | CN1966174A Copper tube end sealing method |
| 05/22/2007 | US7219933 Hollow product, fluid processing system and joining method of hollow members |
| 05/16/2007 | CN1962112A Method for forming platy pieces with negative angle |
| 05/15/2007 | US7216521 Composite fabrication facility of steel tube and fabrication method of steel tube |
| 05/10/2007 | US20070105488 Tools, machines and processes for deburring cut edges on workpieces |
| 05/10/2007 | US20070104401 Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve |
| 05/03/2007 | DE10233360B4 Einrichtung zum Glätten von Graten an Blechteilen Means for smoothing burrs from metal parts |
| 05/02/2007 | CN1954934A Method for preventing bach after turnup |
| 05/02/2007 | CN1313224C Method and apparatus for joining plates by caulking |
| 05/01/2007 | US7210324 Process and apparatus for producing an ordered packing |