| Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523) |
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| 02/05/2014 | CN102397937B Thermal expansion method for titanium alloy flash welding collar piece |
| 02/04/2014 | US8640518 Burring apparatus with scrap removing capability |
| 01/30/2014 | WO2014017768A1 Pad spring for disk brake and method for manufacturing same |
| 01/29/2014 | CN203409079U Hole expansion device for car rear axle |
| 01/29/2014 | CN203409078U Equilateral-hexagonal forming tool |
| 01/29/2014 | CN103537538A Rolling forming mold of fin with window |
| 01/23/2014 | US20140020442 Method for Forming a Workpiece |
| 01/22/2014 | EP2687299A1 Hollow component, method of manufacturing thereof and manufacturing device |
| 01/22/2014 | CN103521603A Once-forming method for bending and flattening pipe body |
| 01/14/2014 | US8627704 Forming a control line protector by metal pressing operation |
| 01/09/2014 | US20140011050 Bmg parts having greater than critical casting thickness and method for making the same |
| 01/08/2014 | CN203380257U High speed beating forming device |
| 01/07/2014 | US8621908 Method for testing the quality of a metallic coating |
| 01/01/2014 | CN203370926U 活塞环扩口装置 Flaring piston ring means |
| 01/01/2014 | CN203370925U Continuous die product chamfer device |
| 01/01/2014 | CN103480740A Water-cooled cutting die |
| 01/01/2014 | CN103480736A Angle steel flattening die and method |
| 12/31/2013 | US8615860 Jaw grip force adjustment system for offset and 90 degree pulling heads |
| 12/27/2013 | CA2819342A1 Methods for manufacturing tubes for use in heat exchangers and other systems |
| 12/25/2013 | EP2675928A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/25/2013 | CN203356340U Tool for manufacturing hook face of feeding hopper of concrete mixer truck |
| 12/25/2013 | CN203356339U Symmetrical point printing device |
| 12/25/2013 | CN103464576A Device and method for liquid-supplementing expansion of retaining ring of turbine generator |
| 12/24/2013 | US8613808 Thermal deposition of reactive metal oxide/aluminum layers and dispersion strengthened aluminides made therefrom |
| 12/24/2013 | US8613213 Interchangeable spring loaded scrap cutter |
| 12/19/2013 | US20130333172 Expanded metal and process of making the same |
| 12/18/2013 | CN203343273U Roll collar locking device |
| 12/18/2013 | CN103447378A Hot bulging forming method for bearing steel rectangular cross-section ring unit |
| 12/18/2013 | CN103447377A Heat bulging forming method for stainless steel rectangular cross section annular elements |
| 12/18/2013 | CN102554023B Pipe local reducing method |
| 12/17/2013 | US8607611 Press brake for bending sheets |
| 12/12/2013 | US20130327450 Systems and methods for uniform expansion and heat setting of medical devices |
| 12/12/2013 | US20130327106 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/11/2013 | CN103433367A Thermal bulging formation method for titanium alloy rectangular-section annular piece |
| 12/11/2013 | CN103433366A Method for forming deformed section ring piece through rectangular aluminum alloy section ring piece thermal expansion |
| 12/11/2013 | CN103433365A Method for forming special-shaped section annular piece through thermal expansion of bearing steel rectangular section annular piece |
| 12/11/2013 | CN103433364A Thermal-bulging forming method of high-temperature alloy rectangular section ring unit |
| 12/11/2013 | CN103433363A Method for forming irregular section ring unit by using high-temperature alloy rectangular section ring unit in thermal-bulging mode |
| 12/11/2013 | CN103433362A Method for forming deformed section annular part from stainless steel rectangular section annular part in a thermal expansion mode |
| 12/10/2013 | US8601854 Method of bending sheet metal |
| 12/10/2013 | US8601853 Method and apparatus for reducing the size of an endoprosthesis |
| 12/10/2013 | US8601852 Method of manufacturing seamless pipe and tube |
| 12/10/2013 | US8601851 Method and finishing train for hot-rolling starting material |
| 12/05/2013 | DE102012010917A1 Aufnahmevorrichtung zur Aufnahme eines Dorns und einer Hülse eines Umformwerkzeuges zum Aufweiten einer Öffnung Receiving device for receiving a mandrel and a sleeve of a forming tool for expanding an opening |
| 12/05/2013 | DE102012010793A1 Umformwerkzeug zum Aufweiten einer Öffnung mit einer Aufweitvorrrichtung Forming tool for expanding an aperture with a Aufweitvorrrichtung |
| 12/04/2013 | CN203316574U High-speed hole pricking blade for hollow aluminum strip |
| 12/04/2013 | CN203316572U Automobile drive axle integral combination bulging production line |
| 12/04/2013 | CN203316571U Perforating machine |
| 12/04/2013 | CN103429364A Hollow component, method of manufacturing thereof and manufacturing device |
| 12/04/2013 | CN103418694A Rotary forging heat pipe reducing die head |
| 12/04/2013 | CN103418674A Method for forming heat-bulging annular piece with shaped cross section by titanium alloy annular piece with rectangular cross section |
| 11/28/2013 | US20130312480 Bulk nano-structured low carbon steel and method of manufacturing the same |
| 11/27/2013 | CN203304386U Novel automatic hardware clamping and forming clamp |
| 11/27/2013 | CN103406470A Integral type squeezed head processing device |
| 11/21/2013 | US20130305800 Stents For Prosthetic Heart Valves and Methods of Making Same |
| 11/20/2013 | CN203292293U Engine connecting rod performing cracking device |
| 11/20/2013 | CN203292239U Iron wire ring shaping device |
| 11/14/2013 | US20130303305 Striking face of a golf club head and a method of manufacturing the same |
| 11/13/2013 | EP2559499B1 Incremental forming device |
| 11/13/2013 | CN203281712U Sheet metal multipoint symmetric type vibration gradual composite precision forming system |
| 11/13/2013 | CN103386437A Equipment and method for super-plastic molding |
| 11/06/2013 | EP2658663A2 Method of manufacturing multi physical properties part |
| 11/06/2013 | CN203265381U Point deduction tool for processing convex-concave points on surface of tubular part |
| 11/06/2013 | CN103381448A Tire rim extension die |
| 11/05/2013 | US8573023 Press-molded product and method of manufacturing same |
| 11/05/2013 | US8573022 Method for making enhanced heat transfer surfaces |
| 11/05/2013 | US8572827 Method and apparatus for single hand attachment of drywall corner beads with staples |
| 10/30/2013 | CN103372600A Device for forming salient points on pipe fitting |
| 10/30/2013 | CN102513441B Method for forming arc sickle-shaped flat pipe and harness for forming same |
| 10/24/2013 | US20130280455 Coating Compositions for Packaging Articles and Methods of Coating |
| 10/24/2013 | US20130279191 Light guide plate and corresponding backlight module |
| 10/23/2013 | CN102513440B Method and device for forming magnesium alloy formed parts with excellent high-temperature mechanical property |
| 10/22/2013 | US8561445 Rounding system and method used in the manufacture of wind towers |
| 10/10/2013 | WO2013150360A1 Incremental forming method |
| 10/09/2013 | EP2648247A2 Novel device for notching and secondary battery produced by using same |
| 10/09/2013 | CN203227725U Automatic shearing machine |
| 10/09/2013 | CN203227724U Punching mould |
| 10/03/2013 | WO2013143512A1 Process and apparatus for the incremental bending of profile tubes, in particular of profile tubes having cross sections which vary over the longitudinal axis |
| 10/03/2013 | US20130259734 Highly formable high-strength steel sheet, warm working method, and warm-worked automobile part |
| 10/02/2013 | CN203221111U Steel lining molding device |
| 10/02/2013 | CN103331366A Novel hardware automatic clamping forming clamp |
| 10/01/2013 | US8545142 Deformation machining systems and methods |
| 10/01/2013 | US8544175 Method of manufacturing handguards |
| 09/26/2013 | US20130251088 Spacers with deflection-limited peripheral springs for nuclear fuel assemblies and methods of making the same |
| 09/25/2013 | CN103317054A Formation method of multi-surface large-arc work piece |
| 09/19/2013 | US20130240070 Helically wound metal pipe with sealing arrangement |
| 09/12/2013 | US20130232998 Vertical storage rack for cold storage units |
| 09/12/2013 | US20130232739 Means to attach getter to getter retaining ring |
| 09/11/2013 | CN203184405U Hole pressing and shaping machine |
| 09/11/2013 | CN103286197A Device capable of solving sand spraying texture and sand spraying deformation of reeled-strip-shaped metal raw material |
| 09/11/2013 | CN103286196A Car drive axle integral compound bulging production line and processing method |
| 09/10/2013 | US8528187 Method and apparatus for joining multiple components |
| 09/04/2013 | EP2634548A1 Container |
| 09/03/2013 | US8522588 Clamp for disk rotation driving device and method of manufacturing clamp |
| 08/29/2013 | US20130221794 Rotor end band |
| 08/27/2013 | US8518600 Gas channel forming member in fuel cell |
| 08/22/2013 | WO2013123353A1 Interlocking flexible segments formed from a rigid material |
| 08/21/2013 | CN103252403A Slack-preventing device for punch steel plate roll |
| 08/20/2013 | US8511130 Method for preventing or arresting crack development and propagation |
| 08/20/2013 | US8511128 Ejection of residual parts from plate-type workpieces |