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)
01/1993
01/06/1993CN1067599A Welding method of wear resistant overlaying layer and wear resistant meterial for use therein
01/05/1993US5176307 Wave soldering in a protective atmosphere enclosure over a solder pot
12/1992
12/30/1992EP0520854A1 Method for joining two pieces of sheet metal, metallic assembly and structure from armour plate obtained by this method
12/28/1992CA2070970A1 Process for assembling two metal sheets, metal assembly and metal sheeting structure obtained therewith
11/1992
11/19/1992EP0514138A1 Improved brazing methods
11/18/1992CN2122031U Device for removing burr form internal welded seam of steel pipe
11/17/1992US5163599 Reflow soldering apparatus
11/17/1992US5163225 Process for forming a structural member utilizing high frequency electrical induction or resistance welding
11/11/1992EP0512972A2 Method of monitoring a butt weld between metal strips
10/1992
10/28/1992EP0511040A1 Process for joining a manganese steel workpiece to a carbon steel workpiece, and assembly obtained thereby
10/27/1992US5158226 Method and arrangement for connecting a semiconductor to a substrate or for after-treatment of a semiconductor-to-substrate connection with contact-free pressing
10/27/1992CA1309237C Method and apparatus for producing continuous lengths of coilable tubing
10/20/1992US5156321 Powder metallurgy repair technique
10/14/1992CN1065373A Wave soldering in protective atmosphere enclosure over solder pot
10/13/1992CA1308784C High-power-density beam welding method in combination with upset weldingand apparatus therefor
10/13/1992CA1308522C Welding aluminium alloys
09/1992
09/30/1992CN2117230U Natural gas heating loop
09/29/1992US5150829 Apparatus for holding samples during solderability testing
09/24/1992DE4207790A1 Method for machining ends of tubes - involves using milling cutter which is caused to rotate about axis of bore of stationary tube
09/22/1992US5148966 Winding planar material made of titanium, niobium, and tantalum, splicing, welding, annealing
09/17/1992DE4206563A1 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
09/08/1992US5145103 Partial elimination of copper plate from steel strip by mechanical means
09/08/1992US5144867 Method of making a chain saw guide bar
09/08/1992US5144830 Method for production of nodes for tubular truss structures
09/02/1992EP0501358A2 Connecting method and apparatus for electric circuit components
09/02/1992EP0461203A4 Method of operation for high speed automatic welding
08/1992
08/26/1992EP0500135A2 Wave soldering in a protective atmosphere enclosure over a solder pot
08/25/1992US5141147 Reflow soldering method and the apparatus thereof
08/19/1992CN1017880B Processing method for polymorphic diamond compound blade before welding
08/12/1992EP0299071B1 Method and device for removing internal burrs inside longitudinally welded pipe
08/12/1992CN1063435A Method for manufacturing longitudinal seam welded tube
07/1992
07/29/1992EP0496231A2 Procedure for the fabrication of tubes with longitudinally welded seam
07/25/1992CA2059876A1 Method of making longitudinally seam-welded tubing
07/21/1992US5131585 Copper solder, covering with organic material such as newspaper
07/14/1992US5130511 Method of and apparatus for welding panel with space defined therein
07/08/1992EP0493595A1 Method of producing spot-like partially clad member
07/01/1992EP0492095A2 Method and apparatus for machining circuit boards, in particular circuit boards with surface-mounted components
06/1992
06/30/1992US5127061 Real-time three-dimensional imaging technique
06/30/1992US5126530 Method for producing hollow gas exchange valves for reciprocating engines
06/17/1992EP0299969B1 Apparatus to be used when welding pipes together
06/02/1992US5118192 System for 3-D inspection of objects
05/1992
05/20/1992EP0309490B1 Improved rim repair process for mis-shapen car wheel drillings
05/19/1992CA1301203C Panelizing machine and method for use
05/12/1992US5113054 Method for joint welding of small structural component parts
05/12/1992US5113052 Process for the oven brazing of two pieces in rarified or controlled atmosphere
05/12/1992CA1300695C Method for welding ribbed pipe
04/1992
04/28/1992US5108024 Method of inspecting solder joints
04/22/1992EP0481368A2 Partial elimination of copper plate from steel strip by mechanical means
04/21/1992US5106010 Welding high-strength nickel base superalloys
04/21/1992US5105516 Apparatus for assembling catalytic converter
04/21/1992CA1299067C Triple chip ground carbide tip bandsaw blade with ductile filler
04/01/1992EP0478374A2 Welding high-strength nickel base superalloys
03/1992
03/24/1992US5098233 Carbide shank boring bar with steel head
03/18/1992CN2098987U Device for clearing rag of friction welding
03/17/1992US5097423 Apparatus and method for use in inspecting a joint
03/03/1992US5092202 Apparatus and method for the production of cutter tools
03/01/1992WO1992003241A1 Powder metallurgy repair technique
02/1992
02/19/1992EP0471619A2 Solder reflow furnace
02/11/1992US5086968 Weld repairable combustor
02/06/1992DE4024249A1 Rail heat treatment - forms angled transfer zone into untreated rail section to overcome any weakness
02/06/1992DE4024247A1 Weld prepn. method for welded rails - using mitre-cut ends to avoid formation of dents in track surface in softened zones adjacent to weld
02/04/1992US5085363 Method of weld repairing of a section of a metallic cylindrical member
01/1992
01/21/1992CA1294418C Method and apparatus for repairing a refrigeration sealed system
01/15/1992CN1057802A Fire combustion type welding rod used for seal welding and welding method
01/14/1992US5080732 Method for determining the relative haz toughness of steel
01/02/1992EP0463098A1 A fluxless soldering process.
01/02/1992DE4041123C1 Welding system for rectangular sheet-metal battery housing - has vessel made oversize in axial and cover in radial direction before welding operation
01/01/1992CN2091739U Multifunctional cantilever-type thermal compression bonding machine for teflon
12/1991
12/26/1991WO1991020175A1 Method for verifying solder interconnection by x-ray
12/18/1991EP0462047A1 Process and apparatus for the formation of surface layers on articles and articles with a surface layer formed according to this process
12/18/1991EP0461876A2 Method for brazing with simultaneous carburization
12/18/1991EP0461203A1 Method of operation for high speed automatic welding.
12/18/1991CN1057020A Welded chain ring deburring machine
12/17/1991CA1293245C Butterfly-type shim having semi-opened bottom and double sandwich braze joint produced therewith
12/11/1991EP0460286A2 Method and arrangement for bonding a semiconductor component to a substrate or for finishing a semiconductor/substrate connection by contactless pressing
12/11/1991CN2090296U Means for connecting liquid vessel with branch pipe
12/10/1991CA1292876C Tool component
11/1991
11/28/1991WO1991018228A1 Mechanical face seals
11/27/1991CN1014908B Method of manufacturing pipe and drilling rod unit for petroleum and natural gas industry
11/27/1991CN1014874B Outer monitoring automatic welding machine for inner ring seam welding of container
11/19/1991US5066850 Soldering apparatus of a reflow type
11/12/1991US5064575 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
11/12/1991US5064537 Seamless screen cylinder with laser cut openings
11/12/1991US5064291 Method and apparatus for inspection of solder joints utilizing shape determination from shading
11/06/1991EP0455312A2 Screen plates
11/06/1991CN1055892A Method and apparatus for inhibiting stress corrosion cracking
11/05/1991CA1291671C Cooling and exhaust unit for solder reflow system
10/1991
10/30/1991EP0454072A2 Method and apparatus for surface modification of metal parts
10/22/1991US5059765 Method of operation for high speed automatic welding
10/15/1991US5056706 Liquid metal paste for thermal and electrical connections
09/1991
09/25/1991EP0447677A2 Fluxless solder coating and joining process
09/24/1991US5050385 Inner cylinder for a gas turbine combustor reinforced by built up welding
09/12/1991DE4008102A1 Cutting-tool prodn. method - involves cutting insert with hard solder in vacuum chamber above hardening temp.
09/10/1991US5046658 Method and apparatus for soldering articles
09/10/1991CA1288641C Method for forming a metal cylindrical container
09/04/1991CN1013742B Method of and apparatus for producing tubes with small diameter and thick wall
08/1991
08/20/1991US5040436 Method and apparatus for tipping saw blades
08/14/1991EP0440615A1 Uses of uniaxially electrically conductive articles
08/13/1991US5038641 Drill with improved wear inserts
08/13/1991CA1287510C Conveying and guiding of sheets for butt-welding