| Patents for B23P 9 - Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified (2,052) |
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| 01/10/1991 | DE4018959A1 Hollow motor armature core shaft mfr. - with ridging of outer surface and fixing of core element before removing centre of hollow shaft |
| 12/26/1990 | CN2068031U Superfinishing device with cooperating machine tool |
| 10/31/1990 | CN1046484A Ruggedisation fine machining apparatus for rotary surface with complicated shape |
| 10/30/1990 | US4966054 Method and apparatus for the manufacture of a punch having a sharp cutting edge |
| 09/25/1990 | US4959523 Method and apparatus for automatically sensing the configuration of a surface area and effecting a work function thereon |
| 09/18/1990 | US4956991 Variable depth cold working tool |
| 06/28/1990 | WO1990006856A1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, and engraved plates obtained with such process and means |
| 06/19/1990 | US4934170 Fatigue life enhancement of noncircular openings |
| 05/30/1990 | EP0370562A2 Process and apparatus for working the tooth flanks of coupling devices prepared by powder metallurgy |
| 05/23/1990 | EP0369891A2 Method and apparatus for automatically sensing the configuration of a surface area and effecting a work function thereon |
| 03/06/1990 | US4905760 Sucker rod coupling with protective coating |
| 02/28/1990 | CN1039988A Production of high precision planeness plate |
| 02/13/1990 | US4899863 Method of making a shaft for a clutch for a cooling fan of a motor vehicle |
| 01/17/1990 | CN2051144U Rolling tool |
| 12/12/1989 | US4885829 Fatigue life enhancement of dovetail connector slots and noncircular openings |
| 10/04/1989 | CN2045345U 超声波振动切削装置 Ultrasonic vibration cutting device |
| 10/03/1989 | US4870845 Working apparatus for crankshaft |
| 09/26/1989 | US4869091 Tool for coldworking holes |
| 09/21/1989 | DE3805067A1 Process for producing thermoplastic polymers with a textured surface and thermoplastic polymers produced by an embossing roller |
| 09/19/1989 | US4868069 Abrasion-resistant coating |
| 07/12/1989 | CN2040831U Rolled forming equipment for print nickel net electroplating mould one-off tool |
| 06/28/1989 | EP0321590A2 Method and device for manufacturing a cutting die having a sharp cutting edge |
| 05/31/1989 | CN2038438U 滚花机 Knurling machine |
| 04/25/1989 | US4823456 Method for protecting sucker rod couplings from abrasion and corrosion |
| 04/20/1989 | DE3734123A1 Method for the production of a thread on a ball journal and for smoothing or hardening the surface of the ball journal and an apparatus for carrying out the said method |
| 04/18/1989 | US4821545 Installation for the detensioning of expanded tubes, particularly in a heat exchanger |
| 04/12/1989 | CN1032305A Method for restoring surface of steel parts |
| 03/14/1989 | CA1251061A1 Automated process for cold working holes |
| 03/07/1989 | US4809420 Method and apparatus for backing up mandrel exit holes in knuckle structures |
| 01/17/1989 | CA1248784A1 Knurling tool |
| 01/12/1989 | DE3822042A1 Method and device for stiffening saw blades |
| 01/03/1989 | US4794741 Apparatus for machining transverse elements of a metal driving belt |
| 11/23/1988 | EP0291609A1 Apparatus for relieving stresses in expanded tubes, especially in a heat exchanger |
| 10/12/1988 | CN87102404A Adjustable inner hole-rolling tool |
| 09/20/1988 | US4771627 For minimizing stress concentration and increasing fatigue strength |
| 08/16/1988 | US4763399 Method of bolt hole strengthening in a fibrous composite laminate |
| 08/02/1988 | US4761191 Method of forming closely sized openings |
| 05/03/1988 | US4741194 For improving the flatness of the center section |
| 05/03/1988 | US4741091 Clutch for a cooling fan of a motor vehicle and method of making the same |
| 02/23/1988 | US4726852 Press forming titanium, or alloy, then heat treatment |
| 02/16/1988 | US4724598 Method of bolt hole strengthening in a fibrous composite laminate |
| 01/20/1988 | CN87205639U Adjustable bore rolling tool |
| 01/20/1988 | CN87201186U Multipurpose twisting and extruding tool |
| 12/29/1987 | US4715203 For thrusting an attached mandrel through a hole in a metal workpiece |
| 11/17/1987 | US4706483 Method and device for finishing by burnishing of a helical thread cut on a cylindrical component |
| 10/31/1987 | CN86210881U Rolling tool with sensor |
| 07/14/1987 | CA1224021A1 Conveyor system for a shot peening machine |
| 06/30/1987 | CA1223434A1 Universal joint cross member trunnion and method |
| 05/20/1987 | EP0222422A2 Cold-working tool |
| 05/19/1987 | US4665732 Method and apparatus for hole coldworking |
| 04/14/1987 | US4656719 Method of preparing bimetallic tubes for roll-forming ribs |
| 03/31/1987 | CA1219742A1 Valve guide liner broaching tool |
| 02/10/1987 | US4641510 Electromagnetically operated peening tool |
| 02/03/1987 | US4640114 Automated process for cold working holes |
| 01/13/1987 | US4635456 Device for shot-peening inside surface of U-bend region of heat exchanger tubing |
| 01/10/1987 | CN85101782A Process for increasing the strength of single-wall tubular components and apparatus for the process |
| 12/02/1986 | US4625541 Apparatus for patterning a cylindrical surface |
| 11/05/1986 | EP0200246A1 Process and apparatus for machining transverse elements of a metal driving belt |
| 10/28/1986 | CA1213244A1 Electrochemically etching and friction plating cast iron work piece containing carbon |
| 09/16/1986 | US4612071 Mechanical stress improvement process |
| 09/02/1986 | US4608853 Percussion apparatus |
| 08/20/1986 | EP0191663A2 Automated process for cold working holes |
| 07/30/1986 | EP0188521A1 Knurling tool |
| 07/01/1986 | US4597282 Method and apparatus for coldworking holes |
| 05/28/1986 | EP0182445A2 Method and apparatus for hole coldworking |
| 04/29/1986 | US4584861 Knurling tool |
| 04/22/1986 | US4583388 Method and apparatus for hole coldworking |
| 03/04/1986 | US4573340 Valve guide liner broaching tool |
| 01/30/1986 | WO1986000554A1 Knurling tool |
| 12/17/1985 | US4558579 Apparatus for hydroplastic processing of tubular products |
| 12/10/1985 | US4557033 Method of cold expanding and sizing fastener holes |
| 12/03/1985 | CA1197368A1 Arrangement for removing burrs in butt resistance welding of workpieces |
| 11/19/1985 | CA1196773A1 Apparatus for processing welded joint parts of pipes |
| 09/24/1985 | US4543170 Method of producing accurately scaled, well-defined surfaces of work pieces from carbonaceous cast iron with tribologic properties |
| 09/18/1985 | EP0154802A1 Percussion tool |
| 07/03/1985 | EP0146546A1 Coldworking method and lubrication system for coldworking of holes |
| 06/25/1985 | US4524600 Apparatus for prestressing fastener holes |
| 05/08/1985 | EP0140426A2 Method and apparatus for hole coldworking |
| 05/07/1985 | US4515003 Piston shaping |
| 03/26/1985 | US4507184 Method for finishing matted surface on a metal-made article for personal ornament |
| 02/20/1985 | EP0133254A2 Method and apparatus for calibrating, deforming and compressing the surfaces of tubes |
| 01/23/1985 | EP0131648A2 Method of cold expanding and sizing fastener holes |
| 01/01/1985 | US4491001 Apparatus for processing welded joint parts of pipes |
| 12/20/1984 | WO1984004896A1 Coldworking method and lubrication system for coldworking of holes |
| 11/20/1984 | US4483755 Method for the treatment of surfaces of a workpiece of carbon-containing cast iron |
| 11/13/1984 | US4481802 Method of peening the inside of a small diameter tube |
| 09/18/1984 | US4471643 For pulling a mandrel |
| 08/28/1984 | US4467510 Method of conditioning a rotary valve seat |
| 08/22/1984 | EP0116111A2 Machine for the hydroplastic machining of tubular produce |
| 08/15/1984 | EP0115662A1 Method for working holes |
| 08/07/1984 | US4463591 Method of fabricating scroll members by coining and tools therefor |
| 07/25/1984 | EP0114044A2 Method and apparatus for coldworking holes |
| 06/12/1984 | US4453392 Method of hardening shaped surfaces by plastic deformation |
| 02/28/1984 | US4433567 Method for working holes |
| 02/16/1984 | WO1984000511A1 Method and device for the finishing by roller burnishing of a helical thread cut on a cylindrical part |
| 01/24/1984 | CA1160823A1 Method of prestressing the working surfaces of pressure chambers or cylinders |
| 01/17/1984 | US4425780 In a pull gun |
| 01/03/1984 | US4423619 Apparatus and method for prestressing a countersunk fastener hole |
| 11/22/1983 | US4416130 Pulsing impact straightener |
| 11/16/1983 | EP0093941A1 Method of making surfaces with accurate dimensions and frictional behaviour from cast iron containing carbon |