Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls › B21H 1 - Making articles shaped as bodies of revolution
Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
10/2010
10/14/2010WO2010115405A1 Method for producing pipe material
10/13/2010CN101856706A Method for forming automotive engine valve blanks accurately by secondary wedging cross wedge rolling
10/13/2010CN101537466B Method for manufacturing aluminium alloy rings with high performance and low residual stress
10/13/2010CN101279351B Weighted vertical type ring rolling mill
09/2010
09/29/2010EP2233224A1 Method for cold forming metal tubes
09/29/2010CN201592226U Special die for non-scrap cross wedge rolling of revolving shafts
09/29/2010CN101844190A Internal bending formation method of continuous and local uneven loading surface of sheet belt
09/22/2010CN201586721U Axial rolling device of vertical-type ring rolling mill
09/22/2010CN201586720U Conical roller mould of large-scale ring rolling machine
09/15/2010CN101829745A Cold ring rolling forming method for double-flute section ring
09/15/2010CN101829686A Method for determining dimensions of ring radially-axially rolled blank
09/08/2010EP2226522A1 Double-row angular bearing, bearing device for wheel, method of producing outer ring, and method of producing inner ring
09/08/2010CN101823197A Method for molding large ring piece by casting blank ring rolling
09/08/2010CN101823111A Overlarge type ring rolling machine
09/08/2010CN101823110A Twin-roller rotary-forging machine
09/02/2010WO2010097648A1 Device and method for local fixing of wheelsets of rail vehicles
09/01/2010CN101198803B Pulley assembly for an electromagnetic power transmitting assembly
08/2010
08/25/2010CN101811246A Production method of wind tower flange deformed ring forging
08/25/2010CN101811244A Annular bearing forging triple-package forging technology
08/18/2010CN201552266U Vertical numerically-controlled ring cold rolling machine tool
08/18/2010CN101804439A Roll forming method of large and medium-size structural steel hollow disk-shaped forgings
08/18/2010CN101804438A Roll forming method of large and medium-size aluminum alloy hollow disk-shaped forgings
08/04/2010CN101791670A Vertical ring rolling mill capable of realizing on-line measurement control
08/04/2010CN101791669A Roll forming method of large and medium structural steel solid disk forging
08/04/2010CN101791668A Roll forming method of large and medium aluminum alloy solid disk forging
08/04/2010CN101791667A Roll forming method of large and medium high-temperature alloy solid disk forging
07/2010
07/28/2010CN101786132A Automobile engine valve blank cross wedge rolling accurate forming method
07/28/2010CN101417310B Multifunctional ring rolling machine
07/21/2010CN101780512A Flange processing method
07/21/2010CN101417379B Tapered roller bearing ring double extension-sleeve forging technique
07/14/2010CN101279346B Method for rolling and shaping nickel-based high-temperature alloy special-shaped ring forging
07/07/2010CN201519733U Ring rolling machine axial rolling device
07/07/2010CN201519732U Ring rolling machine tool body guide device
07/07/2010CN201519731U Ring rolling machine main drive device
07/07/2010CN201519730U Ring rolling machine main roll fixing device
07/07/2010CN201519729U Ring rolling machine oil cylinder fixing device
06/2010
06/30/2010CN101758368A Composite forging inner/outer same set process of small-medium size British system conical bearing sleeved column
06/30/2010CN101758153A Rolling formation method of large and medium stainless steel hollow disc-shaped forge piece
06/30/2010CN101758152A Rolling formation method of large and medium hollow titanium alloy disc-shaped forge piece
06/30/2010CN101758151A Rolling formation method of large and medium titanium alloy solid disc-shaped forge piece
06/30/2010CN101758150A Rolling formation method of large and medium high-temperature alloy hollow disc-shaped forge piece
06/30/2010CN101758149A Rotator shaft residual material-free obliquely and transversely rolling method and special mold
06/29/2010CA2338660C Machine for producing corrugated wheel spacers
06/23/2010CN201511093U Rotating worktable type axial rolling forging machine
06/22/2010US7739794 Method for repair of rail wheels
06/16/2010CN201505666U Cross wedge rolling polywedge synchronous rolling automobile through shaft blank die
05/2010
05/26/2010CN201482894U Novel combined type rolling roller
05/26/2010CN101712063A Rolling forming method of large and medium scale stainless steel solid disk forgings
05/19/2010CN201470799U Processing module for circular rings with irregularly-shaped cross sections
05/19/2010CN201470682U Combined roll for ring rolling mill and ring rolling mill
05/19/2010CN101176903B Processing method of enlarging cold-rolling of inside and outside spherical surface ferrule piece as well as device thereof
05/12/2010CN201455155U Spindle device of heavy-duty cold rolling machine tool
05/12/2010CN201454985U Continuous roller pressure plate cross rolling mill
05/05/2010CN201446205U Precisely numerical control tapered roller bearing ring rolling mill
04/2010
04/29/2010US20100101091 Manufacturing method for bearing outer ring
04/28/2010CN201442020U Proportional servo control system for large-scale ring rolling machine
04/21/2010CN101695734A Guiding device of upper tapered roller box body of ring rolling machine
04/15/2010DE10316249B4 Verfahren zum Umformen eines Werkstückes und Walzmaschine Method for forming a workpiece and rolling machine
03/2010
03/24/2010EP2165785A1 Method and device for manufacturing longitudinal grooves in cylindrical workpieces
03/24/2010CN201427140Y Matching structure for guide plate and guide plate seat of balling mechanism of ball rolling machine for rods
02/2010
02/17/2010CN201405028Y Waterproof device of reduction gearbox
02/17/2010CN201405027Y Holding roller device of rolling ring machine
02/17/2010CN201405026Y Retainer plate adjustable device
02/17/2010CN201405025Y Centering mechanism of rolling ring machine
02/17/2010CN201405023Y Radial rolling device of ring rolling machine
02/17/2010CN201405021Y Cone roller sealing device of ring rolling machine
02/17/2010CN201405020Y Core roller lifting device of ring rolling machine
02/17/2010CN101652200A Method for manufacturing a toothed disc and the toothed disc manufactured thereby
02/04/2010US20100024217 Method For Manufacturing A Toothed Disc and The Toothed Disc Manufactured Thereby
01/2010
01/28/2010DE102006045871B4 Verfahren zur thermomechanischen Behandlung von nahtlos auf Radial-Axial-Ringwalzmaschinen hergestellten Ringen Method for the thermomechanical treatment of seamless produced in radial-axial ring rolling machines rings
01/27/2010CN100584482C Method for rolling and shaping titanium alloy special-shaped ring forging
01/21/2010WO2010006873A1 Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses
01/20/2010CN100581678C Moulds and methods for forming blanks of worm shafts rolled with roller wedge laterally
12/2009
12/30/2009CN100575207C Corner protector for packed steel coil and its making process
12/30/2009CN100574925C Rolling and shaping method of titanium alloy taper ring forged piece
12/24/2009DE19742737B4 Ringwalzmaschine Ring rolling machine
12/23/2009CN101607359A Process for forming spare billet of wheel rim without inner tube with constant strength variable cross-section
12/17/2009WO2009149916A1 Rolling machine for shaping metallic and/or iron-containing workpieces and method for changing the rolls or the rolling tools of the rolling machine
12/17/2009WO2009149914A1 Rolling machine for shaping metallic and/or iron-containing workpieces, comprising adjustable rolls
12/16/2009EP2131973A1 Method of spinning multiple parts
12/16/2009CN100569412C Method for rolling and shaping aluminum alloy conical ring
12/10/2009WO2009147359A1 Device for mounting a mandrel in a mill, mill equipped with such a device and mandrel for such a mill
12/10/2009US20090301338 Projectile Made Of Steel Softened To The Core
12/09/2009CN100566881C Moulds and methods for forming blanks of worm shafts rolled with plate wedge laterally
12/08/2009US7628049 Method and apparatus for manufacturing a battery terminal with undercut rings
12/02/2009EP2125266A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby
12/02/2009CN201353631Y Ring-piece three-wheel roll forging machine
12/02/2009CN101592935A Rolling compaction wheel numerical control system suitable for ring rolling equipment
12/02/2009CN101590509A Matched structure for guide plate and guide plate seat of ball forming mechanism of bar ball rolling machine
11/2009
11/26/2009DE10008659B4 Vorrichtung und Verfahren zur Herstellung eines Hohlteiles aus einem zylinderförmigen Rohling Apparatus and method for producing a hollow part of a cylindrical blank
11/25/2009CN101585067A Rolling pulley machine
11/24/2009US7621048 Method and apparatus for producing a wheel cover and vehicle wheel including such a wheel cover
11/19/2009DE102008015011A1 Support stand for retaining radial roller feed carriages in wheel disks forming machine to produce lorry wheel, has set of rollers moved on axes of rotation or other axes adjacent to axes of rotation by suitable adjustment system
11/18/2009CN101579691A Assembled roller used for ring rolling mill and ring rolling mill
11/11/2009CN101578456A Manufacturing method for bearing outer ring
10/2009
10/29/2009DE102009018408A1 Camshaft for use in internal combustion engine, has cam inserted into shaft pipe, where coating with matrix is provided on joint surface of opening and/or joint surface of shaft pipe, and hard material particles are stored in matrix
10/29/2009DE102009018406A1 Camshaft for internal combustion engine of motor vehicle, has press fit present between lateral surfaces of through-opening and shaft pipe, where lateral surfaces exhibit surface conversion that contains chromium oxide
10/28/2009CN201333488Y Bearing steel ball blank intermediate-frequency heating continuous rolling device
10/15/2009WO2009125102A1 Circular rolling mill with shaping roller
10/15/2009WO2009124657A1 Magnetic bearing and method for producing a bearing race suitable therefore
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 23