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)
08/1991
08/08/1991WO1991011285A1 Weld repairable combustor
08/07/1991CN2082213U Precision flame cutting contour machine with deep and narrow u-shape trough
08/06/1991US5036913 Vehicle radiator with tube to header joint formed of a composite weld and solder bond
08/01/1991DE4002349A1 Process for levelling out non-parallelism - useful in power closing and soldering process
07/1991
07/31/1991EP0438501A1 Welding of coated metals
07/30/1991US5035355 Method for the production of a warp beam, and warp beam so produced
07/24/1991CN1053205A Fill welding using common (t506) welding rod for cast iron parts
07/18/1991DE4000751A1 Renewing worn drive wheels of tracked military vehicle - by first grinding out teeth in packet of worn wheels then welding on new wear-resisting layers esp. for tank
07/17/1991EP0436652A1 Hybrid microchip bonding article
07/16/1991US5032147 Heat resistance
07/10/1991EP0436322A2 Method of checking external shape of solder portion
07/10/1991CN1013084B Method of welding inside groove machined in solid steel part, and utilization of the method for repairing cracked rotor
07/05/1991WO1991009700A1 Method of operation for high speed automatic welding
07/03/1991EP0435813A2 Integrated brazing fixture for brazing titanium
07/02/1991US5028381 Device for the ultrasonic non-destructive testing of a circular weld inside a steam generator tube
06/1991
06/26/1991EP0434430A1 Surfacing method
06/25/1991CA1285127C Methods for weld repairing hollow, air cooled turbine blades and vanes
06/19/1991EP0432958A1 A method of making a seamless screen cylinder
06/11/1991US5023916 Method for inspecting the leads of electrical components on surface mount printed circuit boards
06/05/1991EP0430095A2 Inner lead bonding inspecting method and inspection apparatus therefor
06/05/1991EP0429900A2 Method for manufacturing hollow valves of piston motors
06/04/1991US5020716 Integrated brazing fixture for brazing titanium
05/1991
05/22/1991CN2077347U Repair installation for correcting deformed outside shell of automobile
05/16/1991DE3937476A1 Glass container mouthpiece tool - has reinforcing half-shell bonded to mouthpiece half-shell by induction soldering to reduce formation of oxide(s)
05/07/1991US5012800 Mechanical-metallurgic process for repairing machines or machine components damaged by cracks, fissures, wearings or squashes made of metallic material difficult to weld and of any forms
05/07/1991CA1283954C Apparatus to be used when welding pipes together
05/02/1991DE4025652A1 Pipe connection flange with pipe socket - has ring washer of U=shaped annular cross=section, with sealing surface, bridge piece and screws
04/1991
04/30/1991US5012502 Method for determining degree of interconnection of solder joints using X-ray inspection
04/25/1991DE4031895A1 Programmable receiver for material defect detection and analysis - uses A=D converter, time and amplitude processor with single channel and multiple peak processing unit
04/16/1991US5007165 Method of producing a cam shaft
04/04/1991WO1991004123A1 Method of producing spot-like partially clad member
03/1991
03/20/1991CN2073338U Die set for removing weld-reinforcement in weld steel pipe
03/19/1991US5000368 Method for cladding the ends of a pre-clad tubular product in preparation for threading
03/13/1991EP0416239A1 Procedure for the fabrication of a crunkshaft or a corresponding structural component
02/1991
02/26/1991CA1280807C Adaptive welding control vision head
02/05/1991CA1279903C Inert atmosphere control for induction heated pressure welding system
01/1991
01/30/1991EP0410623A1 Method and apparatus for soldering articles
01/30/1991EP0410211A1 Process for producing an electrically conductive connection between enamelled copper wires and terminals
01/30/1991CN2070220U Gravity welding machine frame
01/29/1991US4988032 Method for assembling a structural panel in order to prevent the sag thereof
12/1990
12/19/1990CN2067626U Welder for label of poultry quarantine
12/12/1990CN1010753B Method of preventing say of panel and apparatus therefor
12/11/1990US4976912 Apparatus for sealing a container for the storage of radioactive material
12/05/1990EP0400071A1 Laminar polymeric sheet
12/05/1990EP0400070A1 Laser-machining polymers
11/1990
11/28/1990CN1047236A Process for reflow soldering
11/27/1990US4972912 Diamond insert
11/07/1990EP0396401A2 Apparatus and method for the production of cutter tools
11/06/1990CA1275787C Method for repairing a steam turbine or generator rotor
10/1990
10/17/1990EP0391979A1 Uses of uniaxially electrically conductive articles
10/16/1990US4962905 Apparatus for holding samples during solderability testing
10/10/1990EP0390925A1 Crack growth limiter in high-pressure welded pipelines and method of making it
10/04/1990DE3910495A1 Welding apparatus for producing a car rim
09/1990
09/26/1990EP0389218A1 Process for reflow soldering
09/20/1990WO1990010522A1 Structural component with at least one cavity and process for obtaining it
09/20/1990WO1990010518A1 A fluxless soldering process
09/19/1990CN1009622B Monolayer braze welding pipe
08/1990
08/30/1990DE3906028A1 Method for producing a vacuum jacket (cover, envelope) and vacuum jacket produced using this method
08/21/1990US4950557 Composite diamond or boron nitride compacts strongly bonded to support
08/15/1990CN1009177B Apparatus to be used welding pipes together
08/07/1990US4946304 Glass coated article
07/1990
07/24/1990US4943492 Welding aluminium alloys
07/18/1990EP0377585A1 Annular shim for construction bit having multiple perforations for stress relief
07/17/1990US4941891 Tool component
07/17/1990CA1271800A1 Method of preventing sag of panel and apparatus therefor
07/11/1990CA2006924A1 Mechanic-metallurgic process to repair machines or machine components damaged by cracks, fissures, wearings or squashes made of metallic material difficult to be welded and of anyforms
06/1990
06/28/1990DE3902163A1 Method and apparatus for strengthening a container seam
06/20/1990EP0373295A1 Process for the manufacture of a warp beam, and warp beam made by this process
06/20/1990CN2058361U 悬臂焊接机 Boom welding machine
06/13/1990CN1008346B Brazing process for bicycle frame
06/05/1990US4931363 Brazed thermally-stable polycrystalline diamond compact workpieces
05/1990
05/31/1990DE3690711C2 Machine for resistance welding of tubes - partic. applicable to long pipelines
05/29/1990US4930026 Flaw detector for magnetographic quality inspection
05/29/1990CA1269689A1 Attachment of solder buttons to elongated conductor
05/22/1990US4927068 Method for heating a patterned substrate
05/02/1990EP0365977A1 Cooling and exhaust unit for solder reflow system
05/02/1990CN2056622U Purifier for welding smoke
05/01/1990US4921157 Fluxless soldering process
04/1990
04/25/1990EP0365229A1 Welding of coated metals
04/19/1990WO1990003865A1 Welding of coated metals
04/17/1990US4916795 Method for mending a dent on a member made of aluminum alloy
04/15/1990CA2000633A1 Welding of coated metals
04/11/1990EP0363136A2 Soldering apparatus of a reflow type
04/10/1990US4915624 Continuous oven for soldering electronic components
04/05/1990WO1990003662A1 Hybrid microchip bonding article
04/05/1990DE3929609A1 Mounting for round shafted chisel - has hard metal lined seating which extends its useful life
04/04/1990EP0361985A1 Hybrid microchip bonding article
04/04/1990EP0361507A1 Process for reflow coating using an atmosphere having a controlled oxidation capability
04/04/1990CN2055428U Electrically welded net machine
04/03/1990US4912857 Cooling and exhaust unit for solder reflow system
04/03/1990CA1267270A1 Method of making a heat exchanger
03/1990
03/28/1990CN1040842A Structural member with welded hollow end sections and process for forming same
03/15/1990DE3829793A1 Process and measuring means for determining the quality of liquid fluxes, in particular in automatic soldering apparatus
03/14/1990CN1040437A Device for ultrasonic non-destructive testing of circular weld inside steam generator tube
03/14/1990CN1040424A Crack arrester for high-pressure welded pipelines and method of producing same
03/13/1990US4907732 Right-of-way double jointer
02/1990
02/22/1990WO1990001671A1 Crack growth limiter in high-pressure welded pipelines and method of making it
02/20/1990US4901417 Method of finishing screen plates
02/13/1990US4899922 Using cemented carbide support
02/08/1990WO1990001091A1 Structural member and process for forming same