| Patents for B21D 51 - Making hollow objects (8,973) |
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| 09/25/2013 | CN203209573U Automatic stop control system for punch edge rolling machine in cover blocking |
| 09/25/2013 | CN203209572U Fast positioning and alignment device for circular seam butt joint of large-diameter storage tank wall plates |
| 09/25/2013 | CN203209571U Tapered tank bottom processing device |
| 09/25/2013 | CN103317045A Multi-station semiautomatic fitting former |
| 09/25/2013 | CN103317002A Automatic slugging machine for square shells |
| 09/25/2013 | CN103316978A Thick-wall large-diameter multi-wave expansion joint manufacturing method |
| 09/25/2013 | CN102601263B Rotary full-automatic expanding machine |
| 09/25/2013 | CN101795789B A gripping and handling device for metal containers |
| 09/24/2013 | CA2617471C Production method of hermetically sealed container for drink or food |
| 09/19/2013 | WO2013134795A1 Cylinder-making apparatus |
| 09/19/2013 | US20130245732 Lead header and manufacture thereof |
| 09/19/2013 | US20130243549 Method of Forming a Can End Having a Moveable Portion |
| 09/19/2013 | US20130240529 Container, lid body and method of seaming a container |
| 09/19/2013 | US20130240070 Helically wound metal pipe with sealing arrangement |
| 09/18/2013 | EP2638982A1 Method of designing material for cylinder formation process, and cylinder formation processed product |
| 09/17/2013 | US8533952 Pipe flange forming method |
| 09/17/2013 | US8533950 Method of manufacturing holding and sealing material |
| 09/12/2013 | WO2013134727A1 Cam follower arrangement |
| 09/12/2013 | WO2013090235A3 Easy-open metal end for a container, and method for making same |
| 09/12/2013 | US20130233039 Pre-rounding element on a rounding apparatus |
| 09/12/2013 | DE102012101952A1 Press for manufacturing can object from slug, has setting unit that is provided for setting upper turning point and lower turning point between stamper and die based on measurement signal defining bottom thickness of can object |
| 09/11/2013 | CN203189491U Toothpaste tubing machine rotating shaft |
| 09/11/2013 | CN203184529U lubricating oil brushing device of aluminum strip |
| 09/11/2013 | CN203184528U Welding shaft head portion of toothpaste tube making machine |
| 09/11/2013 | CN203184527U Heating tube pressure board of toothpaste tube making machine |
| 09/11/2013 | CN203184526U Fixing block on cone pulley of toothpaste tube making machine |
| 09/11/2013 | CN203184525U Locating block of toothpaste tuber capping motor |
| 09/11/2013 | CN203184524U Three-jaw fixing support of toothpaste tuber three-jaw mechanism |
| 09/11/2013 | CN203184523U Front-end three-jaw clamping piece of toothpaste tuber three-jaw mechanism |
| 09/11/2013 | CN203184522U Toothpaste tuber three-jaw mechanism guide rail |
| 09/11/2013 | CN203184521U Cap mounting tension mechanism of toothpaste tube making machine |
| 09/11/2013 | CN203184520U Support of toothpaste tuber capping mechanism |
| 09/11/2013 | CN203184519U Toothpaste tuber safety door switch fork |
| 09/11/2013 | CN203184518U Specially-manufactured thread mechanism of tube making machine |
| 09/11/2013 | CN203184517U Bottom handle of specially-manufactured thread mechanism of tube making machine |
| 09/11/2013 | CN203184516U Cylinder connecting piece of toothpaste tube making machine |
| 09/11/2013 | CN203184515U Tube body transferring device lower support of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184514U Tube body transferring device upper support of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184513U Heating station connection part of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184512U Heating station fixing part of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184511U Semicircle connection block of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184510U Connection rod of toothpaste tube manufacturing machine |
| 09/11/2013 | CN203184509U Chute guide rail block of toothpaste tube manufacturing machine |
| 09/11/2013 | CN103286239A Barrel flanging technology and tool used for same |
| 09/11/2013 | CN102581107B Bidirectional double-punching can body drawing machine |
| 09/05/2013 | DE102012203277A1 Device for manufacturing self-emptying packaging, particularly aerosol can by using computer program, has ironing device for making cylindrical body for self-emptying packaging from tin plate by ironing |
| 09/04/2013 | CN203176154U Guiding wheel of chain guiding rail of pipe making machine |
| 09/04/2013 | CN203176126U Chain and guide rail connecting piece for pipe making machine |
| 09/04/2013 | CN203170873U Cap mechanism fixing block of toothpaste tube making machine |
| 09/04/2013 | CN203170872U Direct-current motor synchronous belt wheel of toothpaste tube making machine |
| 09/04/2013 | CN203170871U Guiding wheel mechanism of toothpaste tube making machine |
| 09/04/2013 | CN203170870U Press block of toothpaste tube making machine |
| 09/04/2013 | CN203170869U Thermocouple support rod for pre-heating head of pipe making machine |
| 09/04/2013 | CN203170868U Chute stopper for pipe making machine |
| 09/04/2013 | CN203170867U Upper cover plate for culling spider of pipe making machine |
| 09/04/2013 | CN203170866U Thermocouple fixed frame for pre-heating head of pipe making machine |
| 09/04/2013 | CN203170827U Rectangular pot reinforcing rib forming mold structure |
| 09/04/2013 | CN103282138A Metallic beverage can end closure with offset countersink |
| 09/04/2013 | CN103272961A Diameter expansion device of irregularly shaped tank body |
| 09/04/2013 | CN103272960A Welding-free circular pipe forming method |
| 09/04/2013 | CN103272947A Full-automatic lifting device of combined machine |
| 09/04/2013 | CN103272945A Guiding device of combined machine |
| 08/29/2013 | WO2013087332A3 Method for producing a container body |
| 08/29/2013 | US20130220768 Cap-lining machine feed assembly and method |
| 08/28/2013 | CN103264116A Head hydraulic forming equipment |
| 08/28/2013 | CN102240751B Press-bonding device of aluminum-plastic composite snap lid forming machine |
| 08/28/2013 | CN102059292B Multi-trough integral stretching die for stainless steel troughs |
| 08/27/2013 | US8516701 Manifold bending support and method for using same |
| 08/22/2013 | US20130216334 Dual double-action can body maker |
| 08/21/2013 | EP2629350A1 Battery case lid and manufacturing method for battery case lid |
| 08/21/2013 | CN203140636U Stamping equipment based on visual positioning system |
| 08/21/2013 | CN203140555U Hole span measuring equipment of electric power fittings |
| 08/21/2013 | CN103261039A Container, lid, and seaming method for container |
| 08/21/2013 | CN103260781A Method of designing material for cylinder formation process, and cylinder formation processed product |
| 08/21/2013 | CN103260399A Business method by preserving genes and storing records during lifetime |
| 08/21/2013 | CN103252422A Double-headed automatic sealing method for inner container of water tank |
| 08/20/2013 | US8511125 Flexible necking station arrangement for larger beverage cans |
| 08/20/2013 | CA2610725C Method and device for applying images on a beverage can lid |
| 08/15/2013 | WO2013096636A3 Method for expanding the diameter of a metal container |
| 08/15/2013 | US20130206770 Polymer Compound for Seals for Use with Fat-Containing Filling Materials |
| 08/15/2013 | US20130206766 Resealable beverage can end and methods relating to same |
| 08/15/2013 | US20130205789 Fuel nozzle end cover, fuel nozzle, and process of fabricating a fuel nozzle end cover |
| 08/14/2013 | EP2626151A1 Apparatus and method for machining the surface of cylindrical bodies |
| 08/14/2013 | EP2624979A1 Method for producing tapered components in a deep-drawing process and components produced by this method |
| 08/14/2013 | CN203124602U Rolling device of end socket adapter ring of tank body |
| 08/14/2013 | CN203124601U Air bottle chuck of air bottle necking-in machine |
| 08/14/2013 | CN103240357A Numerical control dedicated device for throats of liner outer interlayer |
| 08/14/2013 | CN103240356A Device special for flaring of liner barrels |
| 08/14/2013 | CN103240355A Forming tool and method of limit step of outer barrel of absorber |
| 08/14/2013 | CN101633107B Can manufacturing technology |
| 08/13/2013 | US8505352 Method for producing hollow profiles having a longitudinal flange |
| 08/13/2013 | US8505203 Method of installing a longitudinally offset multi-layer mat in an exhaust gas aftertreatment or acoustic device |
| 08/08/2013 | US20130199657 Steel plate for producing pipe highly resistant to fuel vapor corrosion, pipe using same and method for producing pipe |
| 08/07/2013 | CN203109104U Bulkage device for can body |
| 08/01/2013 | US20130196188 Battery case lid and manufacturing method for battery case lid |
| 08/01/2013 | US20130193229 Thermal spray combustion gun with a tolerance compensation spring |
| 08/01/2013 | US20130192053 System and method for forming a metal beverage container using blow molding |
| 07/31/2013 | CN203098776U Sprocket wheel transmission device for machining cylindrical cans |
| 07/31/2013 | CN203091600U Tread-flattening slider device for machining cylindrical cans |
| 07/31/2013 | CN203091599U Roller and micro hemming die |