| 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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| 03/09/1995 | WO1995006543A1 Method of radially pressurising the bore in a crank throw to the yield stress prior to shrink-fitting it to the main bearing pin |
| 03/09/1995 | DE4329540C1 Apparatus for calibrating bent pipe sections of essentially circular cross-section |
| 02/16/1995 | DE4326768A1 Method of producing sliding surfaces |
| 02/15/1995 | EP0612275A4 Improving fatigue life of holes. |
| 01/18/1995 | CN2187499Y Flat cold-rolled sheet with special shape and pattern on surface |
| 12/28/1994 | EP0472675B1 Antifretting coating for a bushing in a coldworked joint |
| 11/24/1994 | DE4317091A1 Method of increasing the strength of a crankshaft |
| 11/09/1994 | EP0623417A2 Stamping die, method of manufacture and tool for use in carrying out said process |
| 10/11/1994 | US5354581 Mechanical forming a plurality of grooves and depressions |
| 10/11/1994 | CA2002513C Method and apparatus for automatic detection of the configuration of a surface area in order of effecting a work function |
| 09/29/1994 | WO1994021427A1 Process for hard-rolling a component |
| 09/15/1994 | DE3390141C2 Device for the final machining of a convolution, cut in a cylindrical piece, by finish rolling |
| 09/07/1994 | EP0408560B1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving |
| 08/31/1994 | EP0612584A1 Spacer for rotary peening apparatus |
| 08/31/1994 | EP0612275A1 Improving fatigue life of holes |
| 08/30/1994 | US5341559 Method and apparatus for securing a tubular bushing in a circular opening |
| 07/26/1994 | CA2112773A1 Spacer for rotary peening apparatus |
| 07/06/1994 | CN2170822Y Rolling knurling knife |
| 06/29/1994 | CN1088504A Tool for the treatment of surfaces of components |
| 06/15/1994 | CN1025013C Method for working surface on body and body manufactured by this method |
| 06/01/1994 | EP0599693A1 Method for manufacturing a waveguide |
| 04/26/1994 | US5305627 Split sleeve cold expansion |
| 04/14/1994 | WO1994007655A1 Tool for working the surfaces of components |
| 04/07/1994 | DE4232430A1 Werkzeug zur Behandlung von Oberflächen von Bauteilen Tool for the treatment of surfaces of components |
| 03/29/1994 | US5297409 Workhardening high-strength steel aircraft components |
| 03/17/1994 | WO1994005441A1 A straightening method |
| 02/08/1994 | US5284039 Spacer for rotary peening apparatus |
| 02/02/1994 | EP0581385A1 Split sleeve cold expansion |
| 01/27/1994 | DE4327096A1 Method for increasing strength of fusion welded joints - of aluminium@ sections by shot peening weld joint area |
| 12/29/1993 | CN2150961Y Multifunctional rolling press |
| 12/02/1993 | DE4315618A1 Method of mfg. precision components of refined tool steel - starts with cylindrical bolt blank of hardened steel and specified tensile strength followed by machining |
| 12/02/1993 | DE4217530A1 Treating piston slide paths - using laser beam performing motion similar to honing motion |
| 12/01/1993 | CN2147922Y Universal hydraulic knurling and hobbing machine |
| 11/30/1993 | US5265456 Method of cold working holes using a shape memory alloy tool |
| 09/21/1993 | US5245743 Method of installing a nut mounting grommet |
| 07/06/1993 | US5224367 Method for the treatment of the steel belts of a double belt press |
| 06/15/1993 | US5218854 System for cold expanding holes in rail sections |
| 06/02/1993 | CN2134904Y Adjustable floating rolling tool |
| 05/27/1993 | WO1993009890A1 Improving fatigue life of holes |
| 05/27/1993 | CA2121120A1 Improving fatigue life of holes |
| 05/19/1993 | DE4137539A1 Forming spiral grooves on internal conical surface - uses embossing punch,sliding axially and rotating about surface axis |
| 05/12/1993 | EP0540916A1 Improved high-intensity rotary peening particle support and method of making same |
| 05/07/1993 | CA2080265A1 High-intensity rotary peening particle support and method of making same |
| 04/28/1993 | CN2130638Y Rolling device for cylindrical surfaces of shafts |
| 04/15/1993 | DE4133937A1 Method of finishing IC engine cylinders and pistons - involves having cast part over whose surface rounded diamond toolbit is slid under pressure |
| 04/14/1993 | CN1020261C Method for making punch pin of zinc shell of electric cell |
| 03/30/1993 | US5197317 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 |
| 03/04/1993 | CA2054632A1 Continuous wire drawing process with mechanical descaling and post-die treatment and apparatus |
| 01/19/1993 | US5179852 Metallurgy, steels |
| 12/02/1992 | CN2123397U Knurling and hobbing machine |
| 11/19/1992 | EP0513898A1 Method and apparatus for securing a tubular bushing in a circular opening |
| 11/11/1992 | CN2121298U Rebound type adjustable blind hole rolling device |
| 10/28/1992 | EP0472675A4 Antifretting coating for a bushing in a coldworked joint |
| 10/28/1992 | CN2119984U Universal milled head |
| 10/13/1992 | US5153975 Apparatus for effecting bedding-in by screwing and unscrewing of screwthreaded joints for the assembly of tubes |
| 09/29/1992 | CA1307979C Composite rotor manufacturing apparatus and method |
| 07/14/1992 | US5129253 Antifretting coating for a bushing in a coldworked joint |
| 07/07/1992 | US5127254 Method and apparatus for split sleeve cold expansion of openings in structural members |
| 07/07/1992 | US5127246 Method of and apparatus for strengthening gear tooth |
| 07/01/1992 | CN1062312A Method for making punch pin of zinc shell of electric cell |
| 06/17/1992 | CN2107347U Multiple thread rolling press |
| 05/06/1992 | CN2103399U Roller pressing tool for inner wall of cylinder |
| 04/14/1992 | US5103548 Method and apparatus for securing a tubular bushing in a circular opening |
| 04/09/1992 | DE4031576A1 Tube-plate connection for heat exchanger - has tube ends pushed into tensioners widening in plate and pressed home by radial widening |
| 03/17/1992 | US5096349 Nut mounting grommet |
| 03/04/1992 | EP0472675A1 Antifretting coating for a bushing in a coldworked joint. |
| 01/29/1992 | EP0468598A1 Nut mounting grommet and method of installation |
| 01/29/1992 | EP0468563A1 Method of installing a grommet in a wall of composite material |
| 01/29/1992 | CN2094415U Knurling apparatus |
| 01/28/1992 | US5083363 Method of installing a grommet in a wall of composite material |
| 01/21/1992 | US5081765 Methods for repair of turbine blades |
| 01/09/1992 | DE4021468A1 Reconditioning of porous aluminium tanks - involves roughening surface of porous area and compressing the surface |
| 12/12/1991 | DE4018253A1 Method of finishing surface of shaft - involves rolling surface before hardening |
| 11/20/1991 | CN2088921U Shot-blast cleaning device for steel pipe inwall |
| 11/13/1991 | CN1056076A Riffled roll making technology |
| 10/31/1991 | DE4113165A1 Local hardening of machine parts around edges of holes - by pressing steel ball against hole edge |
| 09/25/1991 | EP0448233A1 Fatigue resistant orthopaedic implant and method of manufacture |
| 09/24/1991 | CA1289431C Clutch for a cooling fan of a motor vehicle and method of making the same |
| 09/19/1991 | DE4007831A1 Pipe broaching drawing machine support - has hydraulic ram firmly coupled to hydraulic feed table and top guide |
| 08/27/1991 | CA2037034A1 Fatique resistant orthopaedic implant and method of manufacture |
| 08/21/1991 | CN2083098U Ultrafinish rolling device of rod surface |
| 08/13/1991 | US5038596 Threaded cold working mandrel |
| 08/08/1991 | WO1991011273A1 Antifretting coating for a bushing in a coldworked joint |
| 07/31/1991 | CN1053381A Method for working surface on body and body manufactured by this method |
| 07/24/1991 | EP0438031A1 Method for machining the surface of workpieces and workpiece manufactured with this method |
| 07/18/1991 | CA2034314A1 Surface treatment of sheet-or plate-like blanks |
| 07/17/1991 | EP0436933A2 Apparatus for and methods of the repair of turbine blades |
| 07/11/1991 | CA2033827A1 Turbine blade repair |
| 06/27/1991 | DE3942212A1 Forming precisely defined clearance between male and female parts - increases dimensional difference during fitting and forms press fit for calibration |
| 06/19/1991 | EP0433192A1 Device for running in of threaded couplings for tube assemblies by screwing and unscrewing |
| 06/04/1991 | CA2004486A1 Deburring apparatus |
| 05/28/1991 | US5018920 Interference fit bolt and sleeve |
| 04/02/1991 | US5003685 Method of making a clutch for a cooling fan of a motor vehicle |
| 03/27/1991 | EP0418768A2 Stamping die and method of manufacture |
| 03/07/1991 | DE4027885A1 Synchroniser for switch couplings - has conical hole with wear resistant hole and friction lining in cone, with conical punch |
| 03/06/1991 | EP0415215A1 Method for surface treatment |
| 02/26/1991 | US4996114 Abrasion-resistant coating |
| 01/31/1991 | DE3924133A1 Concrete bolt straddling dowel - has metal sleeve and incorporates screw bolt through hole with conical end |
| 01/23/1991 | EP0408560A1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving. |
| 01/22/1991 | US4985979 Method of installing interference fit sleeved fasteners having radiused intersection for stress coining |