| Patents for B23K 31 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups (10,413) |
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| 01/06/1993 | CN1067599A Welding method of wear resistant overlaying layer and wear resistant meterial for use therein |
| 01/05/1993 | US5176307 Wave soldering in a protective atmosphere enclosure over a solder pot |
| 12/30/1992 | EP0520854A1 Method for joining two pieces of sheet metal, metallic assembly and structure from armour plate obtained by this method |
| 12/28/1992 | CA2070970A1 Process for assembling two metal sheets, metal assembly and metal sheeting structure obtained therewith |
| 11/19/1992 | EP0514138A1 Improved brazing methods |
| 11/18/1992 | CN2122031U Device for removing burr form internal welded seam of steel pipe |
| 11/17/1992 | US5163599 Reflow soldering apparatus |
| 11/17/1992 | US5163225 Process for forming a structural member utilizing high frequency electrical induction or resistance welding |
| 11/11/1992 | EP0512972A2 Method of monitoring a butt weld between metal strips |
| 10/28/1992 | EP0511040A1 Process for joining a manganese steel workpiece to a carbon steel workpiece, and assembly obtained thereby |
| 10/27/1992 | US5158226 Method and arrangement for connecting a semiconductor to a substrate or for after-treatment of a semiconductor-to-substrate connection with contact-free pressing |
| 10/27/1992 | CA1309237C Method and apparatus for producing continuous lengths of coilable tubing |
| 10/20/1992 | US5156321 Powder metallurgy repair technique |
| 10/14/1992 | CN1065373A Wave soldering in protective atmosphere enclosure over solder pot |
| 10/13/1992 | CA1308784C High-power-density beam welding method in combination with upset weldingand apparatus therefor |
| 10/13/1992 | CA1308522C Welding aluminium alloys |
| 09/30/1992 | CN2117230U Natural gas heating loop |
| 09/29/1992 | US5150829 Apparatus for holding samples during solderability testing |
| 09/24/1992 | DE4207790A1 Method for machining ends of tubes - involves using milling cutter which is caused to rotate about axis of bore of stationary tube |
| 09/22/1992 | US5148966 Winding planar material made of titanium, niobium, and tantalum, splicing, welding, annealing |
| 09/17/1992 | DE4206563A1 Soldering or welding appts. for use under vacuum or inert atmos. - has hermetically sealed chamber contg. work carrier plate connected to single external actuator by 3 sealed crank mechanisms and focussed radiant heat source outside chamber |
| 09/08/1992 | US5145103 Partial elimination of copper plate from steel strip by mechanical means |
| 09/08/1992 | US5144867 Method of making a chain saw guide bar |
| 09/08/1992 | US5144830 Method for production of nodes for tubular truss structures |
| 09/02/1992 | EP0501358A2 Connecting method and apparatus for electric circuit components |
| 09/02/1992 | EP0461203A4 Method of operation for high speed automatic welding |
| 08/26/1992 | EP0500135A2 Wave soldering in a protective atmosphere enclosure over a solder pot |
| 08/25/1992 | US5141147 Reflow soldering method and the apparatus thereof |
| 08/19/1992 | CN1017880B Processing method for polymorphic diamond compound blade before welding |
| 08/12/1992 | EP0299071B1 Method and device for removing internal burrs inside longitudinally welded pipe |
| 08/12/1992 | CN1063435A Method for manufacturing longitudinal seam welded tube |
| 07/29/1992 | EP0496231A2 Procedure for the fabrication of tubes with longitudinally welded seam |
| 07/25/1992 | CA2059876A1 Method of making longitudinally seam-welded tubing |
| 07/21/1992 | US5131585 Copper solder, covering with organic material such as newspaper |
| 07/14/1992 | US5130511 Method of and apparatus for welding panel with space defined therein |
| 07/08/1992 | EP0493595A1 Method of producing spot-like partially clad member |
| 07/01/1992 | EP0492095A2 Method and apparatus for machining circuit boards, in particular circuit boards with surface-mounted components |
| 06/30/1992 | US5127061 Real-time three-dimensional imaging technique |
| 06/30/1992 | US5126530 Method for producing hollow gas exchange valves for reciprocating engines |
| 06/17/1992 | EP0299969B1 Apparatus to be used when welding pipes together |
| 06/02/1992 | US5118192 System for 3-D inspection of objects |
| 05/20/1992 | EP0309490B1 Improved rim repair process for mis-shapen car wheel drillings |
| 05/19/1992 | CA1301203C Panelizing machine and method for use |
| 05/12/1992 | US5113054 Method for joint welding of small structural component parts |
| 05/12/1992 | US5113052 Process for the oven brazing of two pieces in rarified or controlled atmosphere |
| 05/12/1992 | CA1300695C Method for welding ribbed pipe |
| 04/28/1992 | US5108024 Method of inspecting solder joints |
| 04/22/1992 | EP0481368A2 Partial elimination of copper plate from steel strip by mechanical means |
| 04/21/1992 | US5106010 Welding high-strength nickel base superalloys |
| 04/21/1992 | US5105516 Apparatus for assembling catalytic converter |
| 04/21/1992 | CA1299067C Triple chip ground carbide tip bandsaw blade with ductile filler |
| 04/01/1992 | EP0478374A2 Welding high-strength nickel base superalloys |
| 03/24/1992 | US5098233 Carbide shank boring bar with steel head |
| 03/18/1992 | CN2098987U Device for clearing rag of friction welding |
| 03/17/1992 | US5097423 Apparatus and method for use in inspecting a joint |
| 03/03/1992 | US5092202 Apparatus and method for the production of cutter tools |
| 03/01/1992 | WO1992003241A1 Powder metallurgy repair technique |
| 02/19/1992 | EP0471619A2 Solder reflow furnace |
| 02/11/1992 | US5086968 Weld repairable combustor |
| 02/06/1992 | DE4024249A1 Rail heat treatment - forms angled transfer zone into untreated rail section to overcome any weakness |
| 02/06/1992 | DE4024247A1 Weld prepn. method for welded rails - using mitre-cut ends to avoid formation of dents in track surface in softened zones adjacent to weld |
| 02/04/1992 | US5085363 Method of weld repairing of a section of a metallic cylindrical member |
| 01/21/1992 | CA1294418C Method and apparatus for repairing a refrigeration sealed system |
| 01/15/1992 | CN1057802A Fire combustion type welding rod used for seal welding and welding method |
| 01/14/1992 | US5080732 Method for determining the relative haz toughness of steel |
| 01/02/1992 | EP0463098A1 A fluxless soldering process. |
| 01/02/1992 | DE4041123C1 Welding system for rectangular sheet-metal battery housing - has vessel made oversize in axial and cover in radial direction before welding operation |
| 01/01/1992 | CN2091739U Multifunctional cantilever-type thermal compression bonding machine for teflon |
| 12/26/1991 | WO1991020175A1 Method for verifying solder interconnection by x-ray |
| 12/18/1991 | EP0462047A1 Process and apparatus for the formation of surface layers on articles and articles with a surface layer formed according to this process |
| 12/18/1991 | EP0461876A2 Method for brazing with simultaneous carburization |
| 12/18/1991 | EP0461203A1 Method of operation for high speed automatic welding. |
| 12/18/1991 | CN1057020A Welded chain ring deburring machine |
| 12/17/1991 | CA1293245C Butterfly-type shim having semi-opened bottom and double sandwich braze joint produced therewith |
| 12/11/1991 | EP0460286A2 Method and arrangement for bonding a semiconductor component to a substrate or for finishing a semiconductor/substrate connection by contactless pressing |
| 12/11/1991 | CN2090296U Means for connecting liquid vessel with branch pipe |
| 12/10/1991 | CA1292876C Tool component |
| 11/28/1991 | WO1991018228A1 Mechanical face seals |
| 11/27/1991 | CN1014908B Method of manufacturing pipe and drilling rod unit for petroleum and natural gas industry |
| 11/27/1991 | CN1014874B Outer monitoring automatic welding machine for inner ring seam welding of container |
| 11/19/1991 | US5066850 Soldering apparatus of a reflow type |
| 11/12/1991 | US5064575 Method and device for the loading and sealing of a double container system for the storage of radioactive material and a seal for the double container system |
| 11/12/1991 | US5064537 Seamless screen cylinder with laser cut openings |
| 11/12/1991 | US5064291 Method and apparatus for inspection of solder joints utilizing shape determination from shading |
| 11/06/1991 | EP0455312A2 Screen plates |
| 11/06/1991 | CN1055892A Method and apparatus for inhibiting stress corrosion cracking |
| 11/05/1991 | CA1291671C Cooling and exhaust unit for solder reflow system |
| 10/30/1991 | EP0454072A2 Method and apparatus for surface modification of metal parts |
| 10/22/1991 | US5059765 Method of operation for high speed automatic welding |
| 10/15/1991 | US5056706 Liquid metal paste for thermal and electrical connections |
| 09/25/1991 | EP0447677A2 Fluxless solder coating and joining process |
| 09/24/1991 | US5050385 Inner cylinder for a gas turbine combustor reinforced by built up welding |
| 09/12/1991 | DE4008102A1 Cutting-tool prodn. method - involves cutting insert with hard solder in vacuum chamber above hardening temp. |
| 09/10/1991 | US5046658 Method and apparatus for soldering articles |
| 09/10/1991 | CA1288641C Method for forming a metal cylindrical container |
| 09/04/1991 | CN1013742B Method of and apparatus for producing tubes with small diameter and thick wall |
| 08/20/1991 | US5040436 Method and apparatus for tipping saw blades |
| 08/14/1991 | EP0440615A1 Uses of uniaxially electrically conductive articles |
| 08/13/1991 | US5038641 Drill with improved wear inserts |
| 08/13/1991 | CA1287510C Conveying and guiding of sheets for butt-welding |