| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 05/04/1999 | CA2016725C Multitool punch holder |
| 04/28/1999 | EP0910487A1 A lamina stack with at least one lamina layer having a plurality of discrete segments and an apparatus and method for manufacturing said stack |
| 04/28/1999 | CN2316062Y Die arrangement for processing hollow aluminium section material |
| 04/27/1999 | US5896796 Device for punching holes in a bicycle rim |
| 04/27/1999 | US5896773 Window/door frame bar processing punch press |
| 04/27/1999 | CA2154741C Punch unit |
| 04/27/1999 | CA2016726C Marking tool holder for a punch press |
| 04/27/1999 | CA2016724C Multitool punch holder |
| 04/27/1999 | CA2016723C Punch holder with a stripper arrangement |
| 04/22/1999 | DE19806579A1 Precision positioning method for printing plate |
| 04/14/1999 | EP0908253A1 Punching tool |
| 04/08/1999 | DE19742781A1 Hole punching method for angled metal component |
| 04/06/1999 | US5890387 Apparatus and method for forming and hydropiercing a tubular frame member |
| 03/31/1999 | CN1212185A Cutting apparatus for cutting metallic plate and cutting method of cutting metallic plate using the same cutting apparatus |
| 03/30/1999 | US5887475 Material for protecting sheet metal during the sheet metal forming process |
| 03/25/1999 | WO1999014012A1 Member comprising several layers of a flat material and method for making the same |
| 03/24/1999 | EP0903555A2 Fin for heat exchanger and method for making holes in such a fin |
| 03/23/1999 | US5884546 Punch unit |
| 03/23/1999 | US5884521 High performance aerial and die mount cams |
| 03/18/1999 | DE19740286A1 Multilayer component to form gearwheel |
| 03/18/1999 | DE19738635A1 Verfahren zum Herstellen von exakten Schnittflächen A method of producing exact cut edges |
| 03/18/1999 | DE19730907A1 Holed plate part production method e.g. hinge lever for bonnet or door hinge on road vehicle bodywork |
| 03/17/1999 | EP0901745A1 A method of selectively metallizing a substrate using a hot foil embossing technique |
| 03/16/1999 | US5882285 Punching tool storing and interchanging system |
| 03/16/1999 | US5881625 Automatic or programmable change-over ball lock punch retainer apparatus |
| 03/16/1999 | US5881599 Cam for press die |
| 03/16/1999 | CA2114886C Punching die |
| 03/11/1999 | WO1999011400A1 Method for producing exact cut edges |
| 03/10/1999 | EP0900605A2 Method of forming a cylindrical heat exchanger header tank |
| 03/10/1999 | EP0900603A1 Press for forming a sheet metal blank |
| 03/09/1999 | US5880522 Stamped lead frame with adhesive layer for fixing to semiconductor device |
| 03/09/1999 | US5880429 Composite laser and punch processing device |
| 03/09/1999 | US5878640 Plate positioning and feeding system for a punch |
| 03/09/1999 | US5878473 Method for aligning tube bracket holes |
| 02/25/1999 | DE19820124A1 Steering rod tube production |
| 02/23/1999 | CA2146337C Adjustable length punch set assembly |
| 02/18/1999 | WO1999007492A1 A method of producing a hardened sheet steel product |
| 02/17/1999 | CN2307647Y Door and window tubular product forming mould |
| 02/03/1999 | EP0819031B1 Stamping and forming machine having high speed toggle actuated ram |
| 02/03/1999 | CN1041899C Oil puncher |
| 02/02/1999 | US5867758 Developer thickness-controlling blade and production process thereof as well as electrographic imaging device |
| 02/02/1999 | CA2096868C Sequential pivot pin multiplier |
| 01/27/1999 | EP0893173A2 A turret punching machine |
| 01/27/1999 | EP0892688A1 Rotary forming apparatus and method of rotary forming |
| 01/26/1999 | US5862733 For a plate processing machine |
| 01/26/1999 | US5862579 File fastener method of manufacture |
| 01/21/1999 | WO1999003318A1 Clamping device, tool and method of mounting tools |
| 01/21/1999 | WO1999002301A1 Machine-tool assembly for substantially simultaneous machining of a sheet metal |
| 01/20/1999 | EP0891823A2 A gripper element for a punch or a die of a punching machine |
| 01/20/1999 | EP0891251A1 Press with a hydraulic plate |
| 01/20/1999 | EP0891235A1 Precision blanking press with knife-edged ring and counter cylinder |
| 01/20/1999 | CN2304529Y Portable multifunctional manpower aluminium alloy punch |
| 01/20/1999 | CN1205659A Punching machine and punching method |
| 01/20/1999 | CN1205261A Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
| 01/19/1999 | US5860315 Device for securing tools |
| 01/12/1999 | US5857897 Method for machining an "O" ring retention groove into a curved surface |
| 01/06/1999 | CN2302856Y Machine for processing aluminium alloy window or doors |
| 12/30/1998 | CN2302067Y Dies for producing round tooth form steel frame punching sheet |
| 12/23/1998 | EP0885670A1 Punch press machine |
| 12/23/1998 | EP0885074A1 Method and device for producing stamped parts |
| 12/23/1998 | EP0603366B1 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates |
| 12/23/1998 | CN1202399A Modular multipurpose bending machine and its linear positioning system |
| 12/15/1998 | US5848866 Truss plates, punch for forming same, and associated method for using same |
| 12/15/1998 | US5848563 Multiple tool for punch press |
| 12/15/1998 | CA2107666C A bed plate for a fluidized bed apparatus and a method for making the same |
| 12/10/1998 | WO1998055244A1 A method for punching and a punch die |
| 12/08/1998 | US5845553 Stator lamination jig system |
| 12/03/1998 | WO1998053931A1 Method and apparatus for the production of bent sheet metal pieces |
| 12/03/1998 | DE19722886A1 Spot-weld connection dismantling tool for re-cycling work |
| 12/02/1998 | EP0880416A1 Hydraulic manual device |
| 12/01/1998 | US5842398 Perforated substrate and method of manufacture |
| 11/25/1998 | EP0879655A2 Modular multipurpose bending machine and its linear positioning system |
| 11/25/1998 | CN1199656A Device for converting punch changing in punching machines from manual to quick and automatic |
| 11/24/1998 | US5839341 Punch unit |
| 11/24/1998 | US5839183 Punch retainer |
| 11/19/1998 | WO1998051426A1 Method for blanking blanks for cupping, blank, and cylindrical can formed from that blank |
| 11/18/1998 | EP0800426B1 Method for making flat components, and resulting flat components |
| 11/17/1998 | US5836226 Apparatus for progressively feeding and machining sheet material |
| 11/11/1998 | CN2296667Y Angle steel with bevel hole |
| 11/10/1998 | US5833421 Connector plate |
| 11/10/1998 | US5832771 Universal punch press for working on steel frame members of the like |
| 11/04/1998 | EP0875310A1 Turret for punch changing in punching machines |
| 11/03/1998 | US5829300 Apparatus for transferring and forming parts in a press |
| 11/03/1998 | US5829299 Method and apparatus for making nipple holes in a double-walled hollow wheel rim of a spoke wheel |
| 10/28/1998 | EP0873854A1 Drive for pressing machine |
| 10/28/1998 | CN1040404C Hydraulic puncher |
| 10/27/1998 | US5826988 Cage for needle roller bearings and method of producing same |
| 10/22/1998 | DE19813209A1 Quick-action tool-clamping mechanism for stamping machine |
| 10/21/1998 | EP0872294A1 Punch for making a hole in a metal plate |
| 10/21/1998 | EP0649354B1 Two stage die set |
| 10/20/1998 | US5823087 Punch press having a toggle joint mechanism drive |
| 10/15/1998 | DE19714833A1 Machine to stamp and bend and cut metal sheets and strips |
| 10/13/1998 | US5819575 Manufacturing apparatus of a corrugated fin and method of manufacturing the same |
| 10/07/1998 | CN1195305A Method of forming relatively hard materials |
| 10/06/1998 | US5816093 Method and tool for forming a tapered hole in a cylindrical work by punching extruding |
| 10/06/1998 | US5816089 Hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system using hydroforming fluid |
| 09/30/1998 | EP0867275A1 Punch press with tooling |
| 09/30/1998 | EP0659547B1 Breakthrough buffer for presses and control method therefor |
| 09/30/1998 | CN2292622Y NC die holder feeder for notching machine |
| 09/29/1998 | USRE35907 Adjustable base assembly |