Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
10/1997
10/02/1997DE19612242A1 Presse Press
09/1997
09/30/1997CA2003874C Die having negative angle former
09/24/1997EP0796155A1 Adjustable form die
09/24/1997CN1160367A Wiping unit for ram of bodymaker
09/23/1997US5669866 Punch press with tool changer
09/16/1997US5666870 Press die set and press machine for driving it
09/10/1997CN1158767A Manufacture of zinc-based alloy die
09/04/1997DE19609263A1 Multilayered flat seal production method
09/03/1997EP0792702A2 Device for forming flanged collars in workpieces
09/02/1997US5662010 Method for manufacturing a bakery cutting device
09/02/1997US5661992 Superplastic forming system
08/1997
08/21/1997WO1997029879A1 Cutting die and method of forming
08/19/1997US5658506 Thermally spraying tool steel particles into ceramic mold
08/06/1997EP0787545A1 Ironing press laminar flow lubrication ring
08/01/1997CA2196144A1 Ironing press laminar flow lubrication ring
07/1997
07/30/1997CN1155455A Uppeer tool holder apparatus for press brake
07/17/1997DE3546876C2 Abkantpresse Press brake
07/09/1997EP0782892A1 Support plate of a stamping device
07/02/1997EP0781625A1 Spray formed rapid tools
07/01/1997US5643615 Apparatus and methods for forming workpieces
06/1997
06/25/1997EP0780170A1 Die assembly for extruding hollow metallic articles
06/23/1997CA2193279A1 Die assembly for extruding hollow metallic articles
06/20/1997CA2185088A1 Counter plate and cutting die for die-cutting machine
06/18/1997EP0779116A1 A quick clamping device for at least one tool of a machine tool
06/18/1997CN1151916A Die elevating mechanism for turret punch press
06/17/1997US5638724 Method of making a ceramic die
06/11/1997EP0777540A1 Wiping unit for ram of bodymaker
06/04/1997EP0777012A1 Pressure roll
06/04/1997CN2255321Y Forming-turnup-hole-cutting three processes complicated mould
06/04/1997CN1035045C Method for manufacture mould by coating technique
06/03/1997US5634367 Press forming device
05/1997
05/29/1997WO1997018934A1 Ceramic polymer composite tool
05/28/1997EP0775550A1 Method of fabricating metal mold comprised of laminated thin metal plates
05/27/1997US5632180 Method of and apparatus for producing corrugated sheet with plane-parallel outer edge surfaces
05/27/1997US5632171 Ironing press laminar flow lubrication ring
05/22/1997DE19647859A1 Method for forming multi=slot profile for quill shaft
05/20/1997US5630333 Apparatus for bending blade material
05/14/1997CN1149515A Press die and method of making same
05/14/1997CN1149514A Stamping die
05/09/1997WO1997016269A1 A method for making hollow workpieces
05/07/1997EP0771598A1 Process for reducing the friction by hydraulic forming with internal high pressure and device for hydraulic forming
05/07/1997DE19541169C1 Positioning device to position stamp and die relative to each other
04/1997
04/30/1997CN2253254Y Electrolytic capacitor aluminium case strip continuous stretching die
04/29/1997US5623849 Vertically adjustable tool actuators for a single stage finishing press
04/29/1997US5623847 Method of and apparatus for deep drawing
04/23/1997CN1147984A Working machine driven by pressed oil
04/15/1997US5620258 Press die set and press machine for driving it
04/09/1997EP0767015A1 Upper tool holder apparatus for press brake
04/02/1997EP0765735A1 Toggle link punch press
04/01/1997US5616112 Turret punch press with die exchanging
03/1997
03/20/1997DE19635477A1 Prestressed tool with profiled cylindrical core and multilayer strip or thread sheath
03/13/1997DE19532963A1 Control of holding-down pressure and for lubricating when deep drawing
03/11/1997US5609099 Press shutheight adjustment mechanism with hydrostatic bearing pads
03/05/1997EP0760266A2 Die for deep drawing having an exchangeable die facing
03/04/1997CA2006774C Device for pressing sheet material
02/1997
02/26/1997EP0758947A1 Apparatus and methods for forming workpieces
02/19/1997CN2247570Y Transmission for C-steel shaper
02/13/1997WO1997004894A1 Cam for press metal mold
02/12/1997EP0757926A1 Punching processing method and roll forming die used in this processing method
02/12/1997CN2247066Y Quick die changing device
01/1997
01/30/1997WO1997002911A1 Press die formed of cement-based composition and method of manufacturing the same
01/22/1997CN2245504Y Locating device for combined die set
01/21/1997US5595560 Die management method for punch press
01/21/1997US5595111 Press installation comprising longitudinal traverses
01/21/1997US5595093 Method of forming a rotary cutting die
01/02/1997EP0708701A4 Rotary cutting die and method for using same
01/02/1997DE19624830A1 Cutting blade folding system for flat material blank
12/1996
12/27/1996EP0749827A1 Deformable mold for press working machine
12/17/1996US5584204 Press progressive dies for a metallic gasket
12/10/1996US5582215 Ceramic die for cutting and shaping lead frames and method of cleaning the same
12/10/1996US5582062 Die changing system including moving bolsters
12/10/1996US5582056 Installation for cutting a knife material
11/1996
11/27/1996CN2241025Y Punching die for metal sign plate
11/27/1996CN1136480A Stretch controlled forming mechanism and method for forming metal blanks
11/20/1996CN1135943A Method and apparatus for deep drawing
11/13/1996EP0742059A1 Press-forming method of a sheet and apparatus therefor
11/06/1996CN2239311Y Oil coating device for punching material surface of punch
10/1996
10/30/1996EP0739663A2 Machine for forming workpieces
10/23/1996EP0738549A1 A hydraulically driving machine tool
10/02/1996CN1132124A Lubricating method of cold stamping and stretching process
09/1996
09/19/1996WO1996028293A1 Apparatus and methods for forming workpieces
09/19/1996CA2212534A1 Apparatus and methods for forming workpieces
09/17/1996US5555761 Bodymaker tool pack
09/11/1996EP0730919A2 Method of and apparatus for deep drawing
09/11/1996CN2234830Y Helical blade working die equipment
08/1996
08/20/1996US5546784 Adjustable form die
08/14/1996EP0725692A1 A system for producing bent sheet-metal articles and components of the system
08/14/1996DE19504513A1 Tool changing unit e.g. for punch presses
08/14/1996CN2232809Y Die of verticle extruded aluminium section and horizontal one in use for aluminium door and window
08/13/1996US5545116 Turret punch press
08/08/1996WO1996023653A1 Apparatus for correcting die height of press
08/07/1996CN2232328Y Mould for forming seamless lining ring of steel cylinder sealing pressed edge ring
07/1996
07/24/1996EP0722793A2 Press installation
07/18/1996WO1996021543A1 Method of manufacturing band blade, method of bending band plate material and apparatus for bending band plate material
07/16/1996US5535789 Lead wire forming apparatus capable of preventing the peeling of the solder from the lead wire
07/16/1996US5535613 Device for moving a blowing and spraying assembly for dies of a forging press
07/10/1996CN1126452A Punching press and die mounting method
07/10/1996CN1126451A Coolant spacer ring
06/1996
06/13/1996WO1996017697A1 Adjustable form die
06/05/1996EP0497983B1 Tool selection method for punch press machine