B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching

More topics under "B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching" (156,281)
B21D 1 - Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling (4,692)
B21D 11 - Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting (4,159)
B21D 13 - Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form (2,021)
B21D 15 - Corrugating tubes (1,257)
B21D 17 - Forming single grooves in sheet metal or tubular or hollow articles (1,507)
B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484)
B21D 21 - Combined processes according to methods covered by groups (343)
B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
B21D 24 - Special deep-drawing arrangements in, or in connection with, presses (1,969)
B21D 25 - Working sheet metal of limited length by stretching, e.g. for straightening (421)
B21D 26 - Shaping without cutting otherwise than by using rigid devices or tools or yieldable or resilient pads, e.g. shaping by applying fluid pressure or magnetic forces (5,593)
B21D 28 - Shaping by press-cutting; Perforating (12,707)
B21D 3 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts (4,094)
B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523)
B21D 33 - Special measures in connection with working metal foils, e.g. gold foils (280)
B21D 35 - Combined processes according to methods covered by groups (2,318)
B21D 37 - Tools as parts of machines covered by this subclass (19,804)
B21D 39 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders (11,420)
B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982)
B21D 43 - Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices (11,526)
B21D 45 - Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass (3,285)
B21D 47 - Making rigid structural elements or units, e.g. honeycomb structures (1,767)
B21D 49 - Sheathing or stiffening objects (201)
B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
B21D 51 - Making hollow objects (8,973)
B21D 53 - Making other particular articles (18,517)
B21D 55 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass (1,032)
B21D 7 - Bending rods, profiles, or tubes (6,195)
B21D 9 - Bending tubes using mandrels or the like (1,513)

Patents for B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching (203)
06/2014
06/03/2014	CA2499071C Self-lubricating expansion mandrel for expandable tubular
12/2013
12/10/2013	US8601845 Production line and a method of forming profiles
10/2013
10/15/2013	CA2620926C A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
06/2012
06/26/2012	CA2482984C Can end
04/2012
04/25/2012	CN1665673B Method of assembling a single piece co-cured structure
04/10/2012	US8151616 Method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
10/2011
10/05/2011	CN101304826B Method for manufacturing of cellular board, cellular board, method for producing cellular board element of steel plate strip, and production line
09/2011
09/20/2011	US8020841 Fastener for a car-body straightening device
05/2011
05/24/2011	CA2482743C Protective sleeve for threaded connections for expandable liner hanger
03/2011
03/09/2011	EP1755805B1 Method for cold pressing of a metal plate without wrinkling, for making an axle housing.
11/2010
11/10/2010	EP1501644B1 Protective sleeve for threaded connections for expandable liner hanger
10/2010
10/26/2010	US7818988 Striker plate and sheet-metal forming tool comprising such a striker plate
06/2010
06/22/2010	US7740076 Protective sleeve for threaded connections for expandable liner hanger
09/2009
09/10/2009	US20090224452 Fastener For A Car-Body Straightening Device
08/2009
08/11/2009	US7571774 Self-lubricating expansion mandrel for expandable tubular
07/2009
07/09/2009	US20090173742 Method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
06/2009
06/24/2009	CN100503068C Fastener for a car-body straightening device
05/2009
05/05/2009	US7526872 Pass-through gage and method of gaging a workpiece
02/2009
02/03/2009	US7484295 Method of mounting a metal sheet ring assembled and welded in a carrier hoop to conform the annular cooling tube of a piston of internal combustion engine
11/2008
11/26/2008	EP1497054B1 Can end
11/12/2008	CN101304826A Method for manufacturing of cellular board, cellular board, method for producing cellular board element of steel plate strip, and production line
10/2008
10/29/2008	EP1985798A2 Protective sleeve for threated connections for expandable liner hanger
10/29/2008	EP1985797A2 Protective sleeve for threated connections for expandable liner hanger
10/29/2008	EP1985796A2 Protective sleeve for threated connections for expandable liner hanger
10/22/2008	EP1641588A4 Apparatus for performing a plurality of magnetic pulse forming or welding operations
10/01/2008	CN100421832C A production line and a method of forming profiles
09/2008
09/24/2008	EP1972752A2 Protective sleeve for threated connections for expandable liner hanger
06/2008
06/11/2008	CN100393443C Can end
05/2008
05/21/2008	EP1922164A1 A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
05/13/2008	US7370774 Can end
03/2008
03/05/2008	EP1684925B1 Pass-through gage and method of gaging a workpiece
01/2008
01/24/2008	US20080016929 Striker Plate And Sheet-Metal Forming Tool Comprising Such A Striker Plate
11/2007
11/14/2007	CN101072648A Fastener for a car-body straightening device
11/06/2007	US7290422 Device for free three-dimensional profile forming
08/2007
08/09/2007	US20070180881 Production line and a method of forming profiles
06/2007
06/28/2007	DE10246977B4 Vorrichtung zum 3D-Freiformbiegen von Profilen Device for 3D free-form bending of profiles
06/27/2007	EP1799371A1 Striker plate and sheet-metal forming tool comprising such a striker plate
06/14/2007	US20070131431 Self-Lubricating expansion mandrel for expandable tubular
05/2007
05/15/2007	US7216832 Method of assembling a single piece co-cured structure
04/2007
04/26/2007	US20070089314 Pass-through gage and method of gagino a workpiece
04/17/2007	US7204951 Method of assembling a single piece co-cured structure
04/11/2007	EP1772206A1 Thin plate, method for manufacturing a thin plate, and apparatus for manufacturing a thin plate
04/11/2007	CN1946494A A production line and a method of forming profiles
02/2007
02/28/2007	EP1755805A1 Method for cold pressing of a metal plate without wrinkling, particularly for making an axle housing.
02/22/2007	WO2007020319A1 A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
02/22/2007	CA2620926A1 A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
02/08/2007	US20070029324 Can end
01/2007
01/02/2007	US7155948 Forming tool
12/2006
12/13/2006	EP1554066B1 Device for free three-dimensional profile forming
11/2006
11/22/2006	EP1722907A1 A production line and a method of forming profiles
11/22/2006	EP1684925A4 Pass-through gage and method of gaging a workpiece
11/08/2006	CN1283385C Mounting method and producing method for finned metal ring assembled and soldered in support collar
10/2006
10/19/2006	US20060231587 Apparatus for performing a plurality of magnetic pulse forming or welding operations
09/2006
09/14/2006	US20060201218 Device for free three-dimensional profile forming
09/06/2006	CN1829583A Apparatus for performing a plurality of magnetic pulse forming or welding operations
08/2006
08/02/2006	EP1684925A2 Pass-through gage and method of gaging a workpiece
06/2006
06/29/2006	WO2006067282A1 Method for bending a plate and a plate bending machine
06/15/2006	WO2006061457A1 Fastener for a car-body straightening device
05/2006
05/04/2006	US20060090902 Protective sleeve for threaded connections for expandable liner hanger
04/2006
04/27/2006	US20060086166 Forming tool
04/20/2006	WO2006040408A1 Apparatus for processing a sheet
04/13/2006	WO2006038855A1 Striker plate and sheet-metal forming tool comprising such a striker plate
04/05/2006	EP1641588A2 Apparatus for performing a plurality of magnetic pulse forming or welding operations
03/2006
03/01/2006	EP1501644A4 Protective sleeve for threaded connections for expandable liner hanger
01/2006
01/05/2006	WO2005049244A3 Pass-through gage and method of gaging a workpiece
12/2005
12/15/2005	WO2005118178A1 Method for cold pressing of a metal plate without wrinkling, particularly for making an axle housing.
11/2005
11/10/2005	DE10393208T5 Verbessertes Verfahren zum Formen eines rohrförmigen Rohlings zu einem Strukturbauteil und eine Pressform dafür An improved method for forming a tubular blank into a structural member and a die for
09/2005
09/29/2005	US20050211843 Method of assembling a single piece co-cured structure
09/09/2005	WO2005082559A1 A production line and a method of forming profiles
09/09/2005	CA2557277A1 A production line and a method of forming profiles
09/07/2005	CN1665673A Method of assembling a single piece co-cured structure
08/2005
08/16/2005	CA2275355C A heat exchanger
07/2005
07/27/2005	CN1646243A Can end
07/20/2005	EP1554066A2 Device for free three-dimensional profile forming
06/2005
06/15/2005	EP1539464A2 Method of assembling a single piece co-cured structure
06/02/2005	WO2005049244A2 Pass-through gage and method of gaging a workpiece
04/2005
04/21/2005	WO2005005069A3 A system and method for laser forming of sheet metal
04/14/2005	WO2005005070A3 Apparatus for performing a plurality of magnetic pulse forming or welding operations
04/13/2005	EP1521675A2 Sound-absorbing hollow body for an air supply
03/2005
03/02/2005	EP1413372B1 Method of mounting a metal sheet ring assembled and welded in a carrier hoop, to conform the annular cooling tube of a piston of internal combustion engine, and method of manufacture a metal sheet ring assembled with a carrier hoop
02/2005
02/24/2005	WO2004026500B1 Self-lubricating expansion mandrel for expandable tubular
02/15/2005	US6854313 Tube crimping/bending apparatus
02/02/2005	EP1501644A2 Protective sleeve for threaded connections for expandable liner hanger
01/2005
01/20/2005	WO2005005070A2 Apparatus for performing a plurality of magnetic pulse forming or welding operations
01/20/2005	WO2005005069A2 A system and method for laser forming of sheet metal
01/20/2005	CA2531168A1 Apparatus for performing a plurality of magnetic pulse forming or welding operations
01/19/2005	EP1497054A1 Can end
01/13/2005	WO2004026500A3 Self-lubricating expansion mandrel for expandable tubular
12/2004
12/29/2004	WO2003086675B1 Protective sleeve for threaded connections for expandable liner hanger
12/09/2004	US20040244194 Metal ring assembly which is assembled and soldered to a support collar in order to form the annular cooling conduit of an internal combustion engine piston, the method of producing said finned metal ring and the metal ring thus obtained
12/02/2004	US20040238546 Can end
10/2004
10/21/2004	WO2004026500A9 Self-lubricating expansion mandrel for expandable tubular
10/14/2004	WO2004035241A3 Device for free three-dimensional profile forming
10/06/2004	CN1535191A Metal ring assembly which is assembled and soldered to support collar in order to form annular cooling conduit of IC engine piston, method of producing said finned metal ring and metal ring thus
08/2004
08/05/2004	WO2003086675A3 Protective sleeve for threaded connections for expandable liner hanger
07/2004
07/01/2004	WO2004024359B1 Improved method of forming a tubular blank into a structural component and die therefor
06/2004
06/24/2004	WO2004011169A3 Method of assembling a single piece co-cured structure
06/03/2004	WO2004012879A3 Tube crimping/bending apparatus
05/2004
05/06/2004	WO2004024359A3 Improved method of forming a tubular blank into a structural component and die therefor
04/2004
04/29/2004	WO2004035241A2 Device for free three-dimensional profile forming

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