| 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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| 02/04/1981 | EP0020452A4 Caliper brake rotor and method of making it. |
| 01/27/1981 | US4247035 Crane conversion method |
| 01/22/1981 | WO1981000071A1 Soft brazing process without residue from flux |
| 01/20/1981 | US4246178 Tetrahydropyran-5-one compounds |
| 01/13/1981 | CA1093346A1 Method and apparatus for automatic welding of chamfered tubes |
| 01/07/1981 | EP0020452A1 Caliper brake rotor and method of making it. |
| 11/25/1980 | US4236060 Apparatus for welding a basin to a frame |
| 11/12/1980 | EP0018781A1 Method for monitoring arc welding |
| 11/11/1980 | US4233487 Metal build-up apparatus with improved cooling means |
| 10/28/1980 | US4230253 Method of making a caliper brake rotor |
| 10/14/1980 | US4228339 Method of hardfacing tool joints |
| 10/14/1980 | US4227824 Non-tarnishing panel edge spot welding arrangement |
| 10/01/1980 | EP0016645A1 Welded structures |
| 09/30/1980 | US4225771 Method and apparatus for monitoring arc welding |
| 09/30/1980 | US4225322 Composite compact components fabricated with high temperature brazing filler metal and method for making same |
| 09/23/1980 | CA1086150A1 Method of joining metals, particularly aluminum or aluminum alloys, using bromine fluxing agent |
| 08/26/1980 | US4218922 Acoustic inspection of solder joints |
| 08/19/1980 | CA1084123A1 Process and device for britt welding of metal rods |
| 08/19/1980 | CA1083861A1 Method of and apparatus for connecting a basin to a frame |
| 08/06/1980 | EP0014158A1 Method for stress-relieving welded joints by explosive treatment |
| 08/05/1980 | CA1082994A1 Method and apparatus for continuously soldering chains of precious metals or plated therewith |
| 07/29/1980 | US4214925 Method for fabricating brazed aluminum fin heat exchangers |
| 07/22/1980 | US4213555 Method and apparatus for automatic welding of bevelled tubes |
| 07/15/1980 | US4212376 Caliper brake rotor |
| 07/08/1980 | US4211042 Controlled weld area grinding to prevent the initiation of intergranular corrosion |
| 07/01/1980 | CA1080814A1 Automatic welding apparatus for polygonal workpieces |
| 06/25/1980 | EP0012550A1 Installation tool for spot welding instrumentation to the inner surface of a tube |
| 06/17/1980 | US4208567 Weldable instrumentation installation tool |
| 06/17/1980 | CA1079843A1 Method and apparatus for evaluating welds using stress-wave emission techniques |
| 06/17/1980 | CA1079463A1 Overlapped plated steel strip for making anticorrosive double wall steel pipes |
| 06/10/1980 | CA1079392A1 Method and apparatus for the real-time evaluation of welds by emitted stress waves |
| 06/03/1980 | CA1078651A1 Reinforcing welds for fluid conduit wrapping for vessels |
| 04/17/1980 | WO1980000736A1 Caliper brake rotor |
| 03/04/1980 | CA1073003A1 Wear strips for earthmoving buckets |
| 02/26/1980 | US4190127 Brazing inserts |
| 02/20/1980 | EP0008217A1 Non-destructive testing method for brazed butt joints in metallic articles and metallic articles tested thereby |
| 02/19/1980 | CA1072075A1 Brazing inserts |
| 02/12/1980 | US4188524 Method of brazing tips on circular saw teeth |
| 02/12/1980 | US4188149 Skin welded joint |
| 02/05/1980 | CA1070989A1 Skin welded joint |
| 12/11/1979 | US4177913 Automatic pipe welding apparatus |
| 10/30/1979 | US4172923 Cladding material of aluminum alloy containing zinc and calcium sodium or potassium |
| 10/02/1979 | CA1063442A1 Process for fabricating a heat exchanger |
| 10/02/1979 | CA1063404A1 Grooved roll |
| 09/04/1979 | US4166942 Reinforcing welds for fluid conduit wrapping for vessels |
| 07/25/1979 | EP0003116A1 Composite compact components fabricated with high temperature brazing filler metal, method and apparatus for making same |
| 07/11/1979 | EP0002986A1 Process and apparatus for welding protected metal pieces |
| 06/26/1979 | CA1057244A1 Apparatus for cutting pipes, plates and the like |
| 06/12/1979 | CA1056317A1 Pressure vessel construction and method |
| 05/29/1979 | CA1055318A1 Brazing aluminium |
| 05/01/1979 | US4152571 Brazing method |
| 05/01/1979 | US4152568 Method of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipes |
| 04/17/1979 | US4149303 Roll |
| 04/10/1979 | CA1052081A2 Method for making metallic sandwich structures |
| 04/03/1979 | CA1051979A1 Method of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipes |
| 03/20/1979 | US4144766 Apparatus for the in-situ detection and location of flaws in welds |
| 03/13/1979 | US4143862 Apparatus for cutting pipes, plates and the like |
| 03/13/1979 | CA1050250A2 Method for making metallic sandwich structures |
| 03/06/1979 | US4142664 Method of joining titanium clad steel plates |
| 01/30/1979 | US4136813 Brazing with copper/silver alloy or colg/palladium alloy |
| 01/23/1979 | CA1047156A1 Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques |
| 01/16/1979 | CA1046589A1 Method for removing brittleness and stresses from welded steel pipes |
| 01/16/1979 | CA1046208A2 Brazing of aluminium |
| 01/02/1979 | US4132339 Method of making pipe strings and automatic line for realizing same |
| 12/19/1978 | US4129952 Wear strips for earthmoving buckets |
| 12/12/1978 | US4129771 Method for butt-welding cylindrical metallic rods |
| 12/12/1978 | US4129243 Double side cooled, pressure mounted semiconductor package and process for the manufacture thereof |
| 11/21/1978 | US4126718 Applying mastic alongside weld bead |
| 10/24/1978 | CA1040986A1 Method for heat treatment of high-toughness weld metals |
| 10/10/1978 | US4119262 Brazing |
| 10/03/1978 | CA1039541A1 Method for welding cast steel material containing vanadium |
| 09/19/1978 | CA1038610A1 Method of brazing open meshwork rolls |
| 09/05/1978 | US4112289 Welding apparatus |
| 09/05/1978 | US4111572 Ceramic-metal assembly |
| 08/29/1978 | US4110591 Apparatus and method for brazing tips on circular saw teeth |
| 08/29/1978 | US4109706 Thermally conductive ceramic attachment |
| 08/01/1978 | US4103817 Railway hopper car door frame assembly |
| 07/18/1978 | US4101067 Heat sink welding and purging apparatus |
| 07/18/1978 | US4101065 Method of manufacturing multilayer convex collared covers and bottoms for pressure vessels |
| 07/11/1978 | CA1034404A1 Joining method using heat |
| 07/04/1978 | US4098161 Apparatus for performing sequential fabricating operations on a workpiece |
| 06/27/1978 | US4096983 Bonding copper leads to gold film coatings on alumina ceramic substrate |
| 06/06/1978 | US4093100 Pressure vessel construction and method |
| 05/16/1978 | US4089455 Apparatus and method for connecting pipes by welding |
| 05/16/1978 | US4089454 Apparatus for and process of fabrication of elongated and cylindrical structures |
| 04/04/1978 | US4082213 Method of mounting a particle on a support member |
| 03/28/1978 | US4081121 Method of high temperature assembly |
| 03/14/1978 | US4079224 Method for preventing brittle fracture of steel pipe structures |
| 02/14/1978 | US4073428 Method and apparatus for continuously soldering of chains of precious metals or plated therewith |
| 12/13/1977 | US4062705 Method for heat treatment of high-toughness weld metals |
| 10/18/1977 | US4054239 Process for fabricating a heat exchanger |
| 09/20/1977 | US4049186 Process for reducing stress corrosion in a weld by applying an overlay weld |
| 08/02/1977 | US4039801 Method for connecting a fine wire to a connecting pin |
| 07/26/1977 | US4037281 Fastener manufacturing method |
| 05/24/1977 | US4025035 Method of affixing surface enlarging members in the form of coherent, transversally corrugated metal strips to elongate metal basic profiles |
| 02/15/1977 | US4007631 Method and apparatus for evaluating welds using stress-wave emission techniques |
| 02/01/1977 | US4005813 Single-opening beer keg and method of producing from conventional keg |
| 01/25/1977 | US4004456 Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques |
| 12/28/1976 | US3999452 Tool for preparing tube ends for welding |
| 11/09/1976 | US3990329 Method of making cutting tools |