Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
12/1984
12/19/1984EP0128794A1 Apparatus and process for forming articles by heading
12/19/1984EP0128342A1 Press having a part-ejection device and a closing-height adjusting device
12/18/1984US4488426 Forging machine for producing rivets or the like having running adjustments
12/05/1984EP0126930A1 Forged dissimilar metal assembly & method
11/1984
11/20/1984CA1178129A1 Die construction for fan blades
11/20/1984CA1178117A1 Full tonnage stop for hydraulic presses
10/1984
10/31/1984EP0122921A1 Manufacture of article having undercut internal surface.
10/17/1984EP0121531A1 Tool for and method of making hollow articles.
09/1984
09/18/1984CA1174515A1 Articulating frame press
09/05/1984EP0117849A2 Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet and fixture for forming said bottom
09/05/1984EP0117343A1 Ejector for a press
08/1984
08/29/1984EP0116877A2 Method and apparatus of producing a stepped hollow article
08/21/1984US4466266 Mechanical crank press
08/14/1984US4464924 Swaging machine
08/14/1984US4464917 Swaging machine
08/08/1984EP0114976A2 Contact pin and process and device for its manufacture
08/07/1984US4463587 Article handling assembly for forging presses having a spraying mechanism for cleaning, lubricating and cooling the press
07/1984
07/31/1984US4462741 Pressing machine with a built-in robot
07/24/1984US4461163 Swaging machine
07/03/1984US4457156 Horizontal tube upsetter
06/1984
06/26/1984US4455851 Swaging machine
06/20/1984EP0111207A1 Load indicating fastener and tool for producing same
06/20/1984EP0110918A1 Method and apparatus for making steering rack bars.
06/12/1984CA1168925A1 Apparatus for feeding and orienting workpieces in a press
06/05/1984US4452060 Method of processing cylindrical surface
05/1984
05/22/1984US4449390 Automatic unit for hot molding and trimming of metal parts
05/01/1984CA1166604A1 Apparatus for reducing the cross sectional area of a wire
04/1984
04/26/1984WO1984001530A1 Tool for and method of making hollow articles
04/26/1984WO1984001529A1 Manufacture of article having undercut internal surface
04/24/1984US4444039 Die forging press
04/10/1984US4441353 Clamp mechanism for upsetter
03/1984
03/14/1984EP0102547A2 Transportation automat, particularly for press chains
03/06/1984US4434646 C-Frame press
02/1984
02/28/1984CA1162764A1 Female dies
02/22/1984EP0101312A1 Weld neck flange for a valve or the like and method of manufacture
02/14/1984US4431172 Device for absorbing punching shock in a press
02/14/1984US4430882 Multi-stage metal-working machine
02/07/1984US4430041 Crane and manipulator integration
01/1984
01/31/1984US4428214 For forming a hole and a brushing in a metal workpiece
01/24/1984US4426872 Die set and billet for use therein
01/17/1984US4425774 Extrusion forging method therefor
01/10/1984US4424742 Shifting apparatus for a transfer bar of a transfer press
01/03/1984CA1159721A1 Workpiece ejector system for presses
12/1983
12/20/1983US4420962 Method of cold coining a toothed segment for an endless track wheel and two-piece die therefor and article formed thereby
12/13/1983US4420287 Gripper feed and gripper resilience cylinders on forging manipulators
12/13/1983US4419878 Hydraulic drop forging press of above-construction with prestressed press frame
12/08/1983WO1983004197A1 Method and apparatus for making steering rack bars
11/1983
11/29/1983US4417845 Programmable positioning and operating mechanism for industrial operating head
11/29/1983US4417464 Nib for forming tool for bolt heads or nuts
11/29/1983US4417463 Ram assembly for electromagnetic riveter
11/08/1983US4413686 Wedge arrangement for locking together hammerhead and anvil
11/08/1983US4413499 Rolling key lock for forging die and press
11/08/1983US4413498 Rotary transfer press
11/08/1983US4413496 Method of making flanged track tractor roller for off-highway equipment
11/01/1983US4412456 Load sensing probe
09/1983
09/27/1983US4406146 Forging die for a part with internal, tapered grooves
09/20/1983US4404830 Method and apparatus for pressing parts from round stock
08/1983
08/31/1983EP0087072A1 Rotary swaging machine
08/24/1983EP0086459A1 Rotary swaging machine
08/17/1983EP0085888A2 Method of making in a metal piece a thoroughfare hole having edge-reinforcements on both ends, and also tool for carrying out the method
08/16/1983US4398409 Friction shock assembly for a forging hammer
08/09/1983US4397172 Two-die, four-punch press for the production of screws, bolts, rivets and like articles
08/02/1983US4395899 Forging machine for producing rivets or the like having running adjustments
07/1983
07/19/1983US4393685 Tool attaching device for presses
07/19/1983US4393683 Traction drive for forging manipulators
07/05/1983US4391122 Combined hydraulic clamping and rotating saddle device on forging presses
07/05/1983CA1149332A1 Metal extrusion press - billet loader
06/1983
06/14/1983US4387796 Apparatus for feeding billets or the like into a forging press or the like
06/14/1983US4387502 Semi-automatic tool changer
05/1983
05/24/1983US4384517 Full tonnage stop for hydraulic presses
05/17/1983US4383426 Die construction for fan blades
05/17/1983CA1146307A1 Pointing machine for pinch pointing screw blanks
05/03/1983CA1145780A1 Vehicle load indicating apparatus
05/03/1983CA1145594A1 Forging method and apparatus
04/1983
04/20/1983EP0077160A1 Forging apparatus
04/20/1983EP0077062A2 Process and means for forging a tractor undercarriage sprocket segment providing tolerance sizes corresponding to those obtainable with cold tool machine working and sprocket wheel segments obtained with such process and means
04/14/1983WO1983001214A1 Method and apparatus for forging sprocket segments
04/05/1983US4378688 Apparatus for feeding and orienting workpieces in a press
03/1983
03/22/1983US4377085 Female dies and method of manufacture
02/1983
02/08/1983US4372146 Press motion dampener
02/08/1983US4372144 Wrap ring assembly for precision no-draft forging
02/01/1983US4370878 Workpiece ejector system for presses
01/1983
01/25/1983US4369558 Outer race working method and apparatus therefor
01/18/1983US4368632 Apparatus for reducing the cross sectional area of a wire
01/11/1983US4367643 Method and apparatus for cold forming metal articles having irregular cross-section
01/11/1983CA1139187A1 Gas-operated cylinder
01/04/1983US4366697 Press for producing workpieces from wire segments
12/1982
12/21/1982US4364258 Holder for hydraulic swaging tool
12/21/1982US4364256 Latching device for the punch-carrier plate of a press for moulding screws, rivets and like articles
12/07/1982US4362042 Method of forming a fastener
11/1982
11/23/1982CA1135981A1 Loader
11/10/1982EP0064197A2 Method of processing cylindrical surface
11/02/1982CA1134649A1 Die assembly for use in forging operation
10/1982
10/28/1982WO1982003579A1 Pusher block for rotary forging machines and method of using same
10/28/1982WO1982003578A1 Device for moulding articles made of powdered materials
10/27/1982EP0063350A2 Apparatus for transferring intermediate products for in-between treatments in horizontal presses
10/26/1982CA1134183A1 Method of making single or double flanged track tractor roller for off-highway equipment
10/13/1982EP0062309A2 Tool-changing device for horizontal presses, in particular for multistage presses
09/1982
09/28/1982US4351180 Workpiece turning transfer
09/14/1982US4349310 Unloading device for a press
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