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