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| Number | Title | Issue Date |
| 6910614 | Vacuum compression brazing furnace and method of using same A vacuum heat treating furnace for brazing a large metallic part is disclosed. The vacuum furnace includes a pressure vessel having a cylindrical wall and a door dimensioned and positioned for closing an end of the cylindrical wall. A workpiece handling system is mo... | 06/28/2005 |
| 6512205 | Gettering system for brazing heat exchangers in CAB furnace A gettering system for a CAB furnace includes a nitrogen gas source to supply a nitrogen gas to a controlled atmosphere brazing (CAB) furnace and an active metal getter source disposed within the CAB furnace and being a sheet to remove oxygen and water va... | 01/28/2003 |
| 6499994 | Heating apparatus in reflow system To save a space for heating remarkably than that of a conventional case, to apply main heating at a high temperature only to portions of chips to be soldered and to perform heating operation in a short period of time, a heating apparatus is composed of a ... | 12/31/2002 |
| 5573174 | Automatic reflow soldering system A reflow soldering system includes a reflow station with one or more soldering containers. Each container includes a base and a cover reciprocable to either open or close the container. When open, the container receives a printed circuit board/electrical ... | 11/12/1996 |
| 4969592 | Method for uniting workpieces of silicon-infiltrated silicon carbide with large dimensions in a materially bonded manner and apparatus for performing the method A method and apparatus for uniting workpieces of silicon-infiltrated silicon carbide with large dimensions includes surrounding each of two silicon-infiltrated silicon carbide workpieces with at least one tightly closing shell in the vicinity of a junctio... | 11/13/1990 |
| 4909430 | Reflow soldering method and the apparatus thereof A reflow soldering method and the apparatus thereof is disclosed, wherein an air flowing fan is provided at the bottom of the apparatus, that is, below a work transporting conveyor so as to produce a minus pressure to draw or pull air into the apparatus i... | 03/20/1990 |
| 4898319 | Ambient air exclusion system for brazing ovens A brazing oven includes an arrangement employing a gas curtain or barrier to cover the port or opening of the oven whenever the door is opened. The curtain or barrier is formed by a region of flowing conditioned air directed across the opening. The flowin... | 02/06/1990 |
| 4874918 | Vacuum brazing apparatus In a vacuum brazing apparatus in which articles provided with brazing material are heated to be brazed with each other in a vacuum chamber, no heating means for brazing are arranged in the inside of the vacuum chamber, and heating means are so arranged ou... | 10/17/1989 |
| 4832249 | Method and arrangement for reflow soldering and reflow unsoldering of circuit boards Method for reflow soldering respectively desoldering of circuit boards by using infrared radiation from radiator groups in a furnace. The circuit boards are introduced into the furnace on a timed belt or work piece carrier and maintained motionless during... | 05/23/1989 |
| 4808788 | Oven for the vacuum brazing of aluminum An oven is provided for the vacuum brazing of a metal such as aluminium or aluminium alloys, including a sealed enclosure having a first heating device for raising the parts to be treated to the brazing temperature, and a pumping device adapted for formin... | 02/28/1989 |
| 4575608 | Method and apparatus for spot heating a body, particularly for brazing hard solder gold alloys A method and a device for performing spot heating of a body, particularly for brazing hard solder gold alloys. In said method an article, for example of a hard solder gold alloy, which is to be heated to a predetermined temperature, is positioned in the f... | 03/11/1986 |
| 4503597 | Method of forming a number of solder layers on a semiconductor wafer A method of forming a number of discrete solder layers on a semiconductor wafer of a large area. A number of regions which are easy to be wetted with solder are formed on one of the major surfaces of the wafer. A solder foil is positioned on the one major... | 03/12/1985 |
| 4456819 | Adjustable welding furnace An adjustable welding furnace includes a gimbal-mounted furnace housing within which a workpiece may be preheated and subsequently welded. A removable cover is mounted over an access opening in the housing for pivotal movement along either of two edges of... | 06/26/1984 |
| 4392049 | Condensation heating apparatus and method An apparatus or a method for heating a component by the condensation thereon of a suitable vapor, for example to make a soldered connection in condensation soldering. The vapor is produced by passing a heat transfer oil through a vaporizer comprising perm... | 07/05/1983 |
| 4327271 | Condensation heating apparatus An apparatus or a method for heating a component by the condensation thereon of a suitable vapor, for example to make a soldered connection in condensation soldering. The vapor is produced by passing a heat transfer oil through a vaporizer comprising perm... | 04/27/1982 |
| 4318965 | Bi-metallic thermo-barrier material and method of welding The manufacturing of multi-layer bi-metallic thermo-barrier material utilizing combined brazing and difussion bonding methods of joining together the components of the barrier material.... | 03/09/1982 |
| 4140266 | Apparatus for the soldering together of plates of a plate heat exchanger Plates of a plate heat exchanger, defining between them a space adapted to be traversed by a heat-exchange fluid, are held together and are soldered in a chamber in which the plates are heated by passing a heating fluid, generally an inert gas, through th... | 02/20/1979 |
| 4117970 | Method for fabrication of honeycomb structures A method for fabrication of honeycomb metallic structures combining superplastic forming and metallurgical bonding wherein a face sheet is formed and bonded to another face sheet and a core to form the desired structure. A metal honeycomb core is position... | 10/03/1978 |
| 4087037 | Method of and tools for producing superplastically formed and diffusion bonded structures The invention covers a method of and tools for producing structures from suitable materials which are sequentially formed superplastically and then diffusion bonded using forming dies that are flexible to conform to desired contours imparted to the mating... | 05/02/1978 |
