Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 37 - Tools as parts of machines covered by this subclass
Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
12/1999
12/22/1999EP0965398A1 System for manufacturing workpieces, in particular closure caps for containers
12/21/1999US6003360 Press brake tool holder
12/16/1999WO1999064183A1 Device for forming cutting blade for prints
12/16/1999DE19825842A1 Presse zur Herstellung variabler Bearbeitungsmuster Press for producing variable working pattern
12/16/1999DE19825223A1 Forming tool and method for its production
12/16/1999DE19824741A1 Verfahren und Vorrichtung zur Herstellung von Bundlagern Method and apparatus for the production of flange bearings
12/15/1999EP0963801A2 Press for making variable workpieces
12/14/1999US6000271 Metal forming apparatus and method of use
12/09/1999WO1999025507A3 Device for producing a workpiece by stamping
12/08/1999EP0962274A1 Method for working a band blade
12/08/1999EP0962273A1 Band-blade cutting tool and a band-blade working apparatus
12/08/1999EP0962269A2 Method and apparatus for making bearing collars
12/08/1999CN2352330Y Open type inclination precision press
12/07/1999US5997603 Sintered metal mould and method for producing the same
12/07/1999US5997453 Clamshell press having shiftable honeycomb chase
11/1999
11/30/1999US5992280 Perforator for metal plate
11/30/1999US5992206 Clinching die having metallic restoring member
11/30/1999US5992197 Forming technique using discrete heating zones
11/25/1999DE19822935A1 Applying lubricating layer to the surface of a form tool
11/11/1999DE19911486A1 Revolver head stamping press
11/10/1999CN2347697Y Pull-ring bottle top shaping mould
10/1999
10/28/1999WO1999025507A8 Device for producing a workpiece by stamping
10/27/1999CN2345302Y Demould structure of mould
10/21/1999DE19916757A1 Tag esp. bi-directional RF tag attached to tooling components within stamping or drawing press
10/20/1999CN2344110Y Inner cover bulkhead renovation die
10/19/1999US5966974 Automatic learning apparatus for folding machine
10/17/1999CA2267717A1 Rf tag attached to die assembly for use in press machine
10/12/1999US5964120 Hot extrusion forging die for use in titanium alloy
10/05/1999CA2060952C Die tooling for metal working
09/1999
09/29/1999CN2340533Y Slide block resetting press of mould
09/22/1999CN1045175C Rotary forming apparatus and method
09/21/1999US5954175 Modularized parallel drivetrain
09/15/1999CN2338110Y Mechanism for adjusting punch pin of terminal machine
09/14/1999US5950485 System for producing bent sheet-metal articles and components of the system
09/14/1999US5950477 Roll forming machine and method for changing side roll stands
09/14/1999CA2006773C Method and device for pressing sheet material with a deformable punch under a ram
09/08/1999EP0940197A2 Upper tool holding apparatus and upper tool separating method from upper tool holding apparatus
09/08/1999CN1227776A Upper tool holding apparatus and upper tool separating method from upper tool holding apparatus
09/07/1999US5946961 Web bowing apparatus
09/01/1999CN2335722Y L-sheet iron machine body
08/1999
08/31/1999US5943900 Die set for a stamping and forming machine
08/24/1999US5942138 Process of producing laminar structure by bonding of sheet metal blanks after preliminary bonding
08/24/1999US5941117 Die tool thermal control and tooling optimization apparatus and method
08/24/1999US5941111 Die set with sunken load cells
08/18/1999CN2333460Y Metal rolling stretching die
08/12/1999WO1999026740A3 Method for producing work pieces
08/05/1999WO1999006917A3 Individual motor pin module
08/04/1999CN2331453Y Multiple compound die for blanking stretching of lamp holder
08/03/1999US5932282 Process for producing a repair coating
08/03/1999US5931074 Press device
07/1999
07/22/1999DE19801203A1 Hole-making device for flowing drawn components, particularly sheets
07/15/1999DE19846457A1 Use of anisotropic hardening rule to determine deformability of material during sheet metal forming process
07/14/1999EP0928674A2 Forming die and mounting method thereof
07/13/1999US5921153 Method for manufacturing a bakery cutting device
07/13/1999US5921131 Using tool having polycrystalline diamond surface
07/13/1999CA2041552C A turret punch press with a die exchanging device
07/08/1999DE19756232C1 Verstellbares Werkzeug Adjustable tool
07/07/1999EP0927600A1 Press machine
07/07/1999CN1222106A Cutting die and method of forming
06/1999
06/30/1999CN1220921A Press device
06/24/1999WO1999030896A1 Adjustable tool
06/23/1999CN2325130Y Die used for working explosion-proof aluminium casing of capacitor
06/22/1999US5913761 Punch press
06/22/1999US5913760 Tool set mounting method
06/16/1999EP0922509A1 Press device
06/03/1999WO1999026740A2 Method for producing work pieces
06/02/1999EP0918622A1 Biaxial travelling clamp for securing a tool to a press
06/02/1999EP0725692B1 Apparatus for producing bent sheet-metal articles
05/1999
05/27/1999WO1999025507A2 Device for producing a workpiece by stamping
05/27/1999DE19751238A1 Press tool for making precision components from strip material, and method for servicing tool
05/18/1999US5904064 Cam assembly for use in a pressing machine
05/12/1999CN2317969Y Four-slider forming machine
05/11/1999US5901628 Die lifting system for a turret punch press
05/05/1999CN2317025Y Shearing-folding-punching combined machine tool
04/1999
04/29/1999DE19752603C1 Automatic tool changer for deep drawing press
04/22/1999WO1998043759A9 Forming technique using discrete heating zones
03/1999
03/31/1999CN2312083Y Die for drawing spoon head
03/31/1999CN1212188A Pressing apparatus
03/31/1999CN1212187A Pressing apparatus
03/31/1999CN1212186A Pressing apparatus
03/24/1999CN1211477A Multi-stage assembling robot
03/23/1999US5884546 Punch unit
03/17/1999EP0901876A2 Modularized parallel drivetrain
03/16/1999US5882285 Punching tool storing and interchanging system
03/16/1999US5881625 Automatic or programmable change-over ball lock punch retainer apparatus
03/16/1999US5881599 Cam for press die
03/10/1999CN2309909Y Stamping mould for steel flange workblank
03/02/1999US5876642 Process for making a mold for the manufacture of microlenses
02/1999
02/25/1999WO1999008817A1 Roll forming machine and method for changing side roll stands
02/25/1999CA2299280A1 Roll forming machine and method for changing side roll stands
02/24/1999EP0897766A1 A table for defining the position of a sheet-metal piece in a system for producing bent sheet-metal articles
02/24/1999CN2308457Y Automatic oil coater
02/24/1999CN2308456Y Swinging cylinder oil feeder
02/24/1999CN2308455Y Oil/gas mixing filings discharging die
02/17/1999CN1207968A Two-step rings billet punching formation and composite die used therein
02/16/1999US5870919 Folding system for a cutting blade
02/11/1999WO1999006917A2 Individual motor pin module
02/03/1999EP0894989A1 Device for securing a rolling element cage to the column of a machine tool
02/03/1999CN2306091Y Cold stamping forming die for multi-elbow crankshaft
01/1999
01/27/1999EP0893173A2 A turret punching machine
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