| Patents for B21D 51 - Making hollow objects (8,973) |
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| 03/13/2013 | CN202779532U Molding device for cylinder-cone-cylinder forgings |
| 03/13/2013 | CN202779435U Wine box shaping mould locating device |
| 03/13/2013 | CN202779434U Pneumatic push-pull mechanism of wine box combining mould |
| 03/13/2013 | CN202779354U Package container end cover bottom edge stretching device |
| 03/13/2013 | CN202779340U Iron sheet cover edge pressing device |
| 03/13/2013 | CN102971097A Method for making a bag filter housing |
| 03/13/2013 | CN102962306A Edge folding device for anti-theft ring of cover |
| 03/13/2013 | CN102962305A Edge folding head in edge folding device for anti-theft ring of cover |
| 03/12/2013 | US8393065 Retrofit method for pulverized coal boiler |
| 03/12/2013 | CA2537805C Container end forming system |
| 03/07/2013 | US20130056665 Cam operated valve |
| 03/06/2013 | EP2563535A1 Cooking utensil with a deformation-free base, and method for producing said cooking utensil |
| 03/06/2013 | CN202762897U Novel automatic drawing equipment for bottle cap multi-head die processing |
| 03/06/2013 | CN202762896U 18-liter rectangular can wire edge rib expanding machine |
| 03/06/2013 | CN202762863U Cooling mechanism |
| 03/06/2013 | CN202762781U Overlong two-roller plate rolling machine |
| 03/06/2013 | CN102958625A Arrangement for forming band loop and process and apparatus for producing tear-open lids |
| 03/06/2013 | CN102950222A Reverse buckle structure of metal shell and processing method thereof |
| 03/05/2013 | US8387253 Method for the production of piston-type accumulators |
| 02/28/2013 | WO2013026288A1 Hollow metal plate manufacturing process |
| 02/28/2013 | US20130053939 Method for manufacturing cylindrical nitinol objects from sheet |
| 02/28/2013 | US20130048892 Shut-off valve for the plumbing sector |
| 02/28/2013 | US20130048653 Method and device for producing can bodies and can bodies |
| 02/28/2013 | US20130047851 Bottle Neck with Internal Embossments and Method of Manufacture |
| 02/28/2013 | DE102011111295A1 Method for bending mounting housing from sheet metal blank, involves inserting protruded portions into recess formed on narrow side walls, against blades that are bent upwards around specific bending angle |
| 02/28/2013 | DE102011053084A1 Vorrichtung und Verfahren zur Herstellung von Dosenkörpern mit Schneideinrichtung Device and method for the production of can bodies with cutting means |
| 02/27/2013 | EP2560772A1 Method for producing slots in a tube wall and slotting tool |
| 02/27/2013 | CN202752490U Production system of tank body |
| 02/27/2013 | CN202752484U Tank clamping and releasing mechanism |
| 02/27/2013 | CN102947019A Cooking utensil with a deformation-free base, and method for producing said cooking utensil |
| 02/27/2013 | CN102941289A Rotary wheel closing device |
| 02/27/2013 | CN101934320B Manufacturing process to produce a necked container |
| 02/27/2013 | CN101925422B Piping-member manufacturing method |
| 02/26/2013 | US8381561 Vessel forming production line |
| 02/21/2013 | WO2013023308A1 Method for producing tubular parts, and use of said method |
| 02/21/2013 | US20130046294 Introducer for radiofrequency needle |
| 02/20/2013 | EP2558231A1 Arrangement for forming a band loop and process and apparatus for producing tear-open lids |
| 02/20/2013 | EP2558229A1 Can manufacture |
| 02/20/2013 | EP2558228A1 Can manufacture |
| 02/20/2013 | EP2558227A1 Method for making can bodies having axial ribs and step shoulder bottoms |
| 02/20/2013 | CN202741623U Push head mechanism |
| 02/20/2013 | CN202741622U Push head |
| 02/20/2013 | CN202741621U Cooker forming machine with novel side-pressing device |
| 02/20/2013 | CN202741583U Punching die for top cover of three-piece can |
| 02/20/2013 | CN202741533U Aerial fog can curling machine structure |
| 02/19/2013 | US8375759 Bridge turret transfer assembly |
| 02/14/2013 | US20130039722 Metal strips with metallic-appearance excellent in forming stability and seamlessly-formed can body and manufacturing method thereof |
| 02/14/2013 | US20130037555 Can manufacture |
| 02/14/2013 | US20130037554 Can manufacture |
| 02/14/2013 | US20130037543 Can end, double action tab therefor, tooling assembly, and associated method |
| 02/14/2013 | DE102011080769A1 Effektive Produktionslinie für Aerosoldosen Effective production line for aerosol cans |
| 02/13/2013 | EP2557903A1 Method of manufacturing outer conductor |
| 02/13/2013 | EP2556904A2 Effective production line for aerosol cans |
| 02/13/2013 | CN202725825U Pan forming die |
| 02/13/2013 | CN102240752B Square can bottom cover prebending machine |
| 02/12/2013 | US8371495 Pre-rounding element on a rounding apparatus |
| 02/07/2013 | US20130032602 Can manufacture using an annealing step |
| 02/07/2013 | US20130031757 Method of forming sheet metal casket shell |
| 02/06/2013 | EP2554080A1 A method of manufacturing a cooking vessel with controlled deformation and cooking vessel obtained |
| 02/06/2013 | EP2552619A2 Cartridge case and forming method for its manufacture |
| 02/06/2013 | CN202715688U Spin closing-in device with double spinning wheels |
| 02/06/2013 | CN202715687U Spinning-necking machine for high-pressure seamless large-diameter steel cylinder |
| 02/06/2013 | CN102910330A Aluminium screw-on packaging jar and manufacturing method thereof |
| 02/05/2013 | US8365437 Drum for washer and dryer |
| 01/31/2013 | US20130030386 Providing positive displacement upon disconnection using a connector with a dual diaphragm valve |
| 01/31/2013 | US20130028685 Arrangement for forming a band loop and method and device for manufacturing peel-off lids |
| 01/31/2013 | US20130025701 Method of manufacturing flow path member, flow path member, liquid ejecting head and liquid ejecting apparatus |
| 01/30/2013 | EP2550125A2 Method and device for producing can bodies and can bodies |
| 01/30/2013 | CN202702678U Bottom drive press |
| 01/30/2013 | CN202701204U Barrel body forming machine |
| 01/30/2013 | CN202701203U Extruding machine of hollow sphere |
| 01/30/2013 | CN202701192U Inner-clamping clamping mechanism of barrel |
| 01/30/2013 | CN202701182U Assembly equipment for tank bottom cover |
| 01/30/2013 | CN202701123U Highly-efficient bottle cap blanking deep-drawing air-pressure edge multiheaded composite die |
| 01/30/2013 | CN202701060U Barrel forming mechanism |
| 01/30/2013 | CN102905813A Spherical object formed of several joint parts and method for producing spherical object formed of several joint parts |
| 01/30/2013 | CN102897367A Screw aluminum packaging tin and manufacturing method thereof |
| 01/29/2013 | US8360705 Can seamer |
| 01/29/2013 | US8359749 Method for manufacturing reference pressure chamber |
| 01/29/2013 | US8359746 Deaerator spray nozzle and related methods |
| 01/29/2013 | DE202012104038U1 Behälter Container |
| 01/24/2013 | US20130022428 Method of constructing an inner glass-lined steel tank for a hot water heater |
| 01/24/2013 | US20130020326 Can lid and method for producing a can lid |
| 01/23/2013 | EP2547611A1 Container manufacture |
| 01/23/2013 | CN202683844U Iron hemming rolling molding machine for package box end cover |
| 01/23/2013 | CN202683843U Conveniently replacing magnet type magnet bar for compression molding of package box end cover |
| 01/23/2013 | CN202683842U Rotary barrel |
| 01/23/2013 | CN202683841U Bottle cover ring-removing machine |
| 01/23/2013 | CN202683840U Improved bottle cover edge-removing machine |
| 01/23/2013 | CN202683831U Movable turnover clamping mechanism of punching machine |
| 01/23/2013 | CN202683830U Automatic feeding and discharging structure of punching machine for punching iron wine box cover board |
| 01/23/2013 | CN202683770U Compression molding mold for iron package box end cover |
| 01/23/2013 | CN102886449A Semi-automatic push-pull mold |
| 01/22/2013 | US8356411 Exhaust manifold with hybrid construction and method |
| 01/17/2013 | WO2013009168A1 Improvements in vessels |
| 01/17/2013 | WO2013007873A1 A spherical object formed of several joints parts and a method for manufacturing a spherical object |
| 01/17/2013 | US20130015382 Rotary actuator interface and method |
| 01/17/2013 | US20130015207 Dispensing apparatus |
| 01/16/2013 | CN202677134U PLC control device for lower cover of sealing machine |
| 01/16/2013 | CN202667498U Forming mould for lengthened drum |