"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7213738 | Selective wave solder system The present invention relates to a selective wave solder machine. In particular, it relates to a system for calibrating and adjusting process points to account for variations in machines and circuit boards. Vision systems are used to locate fiducials on the processi... | 05/08/2007 |
| 6913183 | Selective gas knife for wave soldering Selective gas knives for wave soldering provide for targeted gas flow at a particular location on a substrate, such as a printed circuit board. Both the temperature and flow rate of gas through a segment of a gas knife can be independently controlled. ... | 07/05/2005 |
| 6796480 | Reliability of heat sink mounted laser diode bars A laser diode bar, solder preform and heat sink are assembled prior to reflowing the solder in a manner to prevent molten solder from being drawn by capillary action over the light emitting end of the diode bar. A recessed pin 30 locates the ends of the laser... | 09/28/2004 |
| 6415972 | Closed loop solder wave height control system An apparatus for processing printed circuit boards including a system for measuring and controlling solder wave height generally comprises conveyor system for transporting printed circuit board through a number of processing stations. The system for measu... | 07/09/2002 |
| 6186389 | Apparatus and process for mounting conductor balls on terminal pads of semiconductor devices An apparatus and a process for mounting solder balls or other conductor balls on terminal pads of semiconductor devices or other electronic devices collectively formed on a semiconductor wafer or other substrate by using a single adsorbing plate. The appa... | 02/13/2001 |
| 6153853 | Laser beam welding apparatus The position of a workpiece delivered into a welding station by a feed mechanism is detected by CCD cameras of position detectors, and a positioning error of the workpiece with respect to a reference position is determined on the basis of the detected pos... | 11/28/2000 |
| 6029880 | Method for assembling armatures for concrete products and installation for implementing it A method for preparing and assembling a planar reinforcement for a concrete element according to a pre-determined design plan, wherein a full-sized plan including the position and type of each element in the reinforcent to be achieved is mapped onto a wor... | 02/29/2000 |
| 5853655 | Magnetic wheel guided carriage with positioning arm A remote controlled welding and cutting carriage, with an automated positioning arm, to facilitate welding and cutting of flat and curved surfaces including plate and pipe without the use of track, band or similar carriage positioning or guidance mechanis... | 12/29/1998 |
| 5833126 | Apparatus and method for resurfacing mill components An apparatus for repairing curved grinding surfaces in bowl mill coal pulverizers by welding hardfacing material onto the grinding ring surface. The inventive apparatus includes novel guide structure imparting an arcuate motion to the welding torch as it ... | 11/10/1998 |
| 5699951 | Wire bonder and a bonding tool and bonding arm The present invention discloses a wire bonder that does not require bonding tool replacement to be performed by an experienced worker, is not bothersome and can be completed in an extremely short time, while also enabling time management of the degree of ... | 12/23/1997 |
| 5542600 | Automatic soldering apparatus, apparatus and method for teaching same, soldering inspection apparatus and method, and apparatus and method for automatically correcting soldering Soldering condition information such as the position and angle of a soldering iron, amount of solder supplied and heating time is stored beforehand, for each grouping of parts, in a part classification table (26) for soldering purposes. Parts to be mounte... | 08/06/1996 |
| 5197650 | Die bonding apparatus A die bonding apparatus includes a device for making a coarse surface in a region where an identifier is to be applied to a lead frame; an application device for applying the identifier to the coarse surface region, a dividing device for dividing a wafer ... | 03/30/1993 |
| 5190206 | Ultrasonic wire bonding tool and method for self-threading same An improved tool for ultrasonic wire bonding, and a novel method by which the tool may be semi-automatically threaded with bonding wire are disclosed. The overall exterior shape of the tool is that of an elongated rectangular cross-section bar having at t... | 03/02/1993 |
| 5080278 | Process and apparatus for sealing a metallic capsule and welding it to a metal cable A process and apparatus for leak-proof sealing of a metallic capsule closed by a stopper and joining the capsule to a metal cable by arc welding, wherein a capacitor is charged, the capsule with a striking tip at one end or the stopper with an ignition po... | 01/14/1992 |
| 5037023 | Method and apparatus for wire bonding The present invention relates to a ball bonding technique using an insulated wire in assembling a semiconductor chip in which the ball is formed at the end of an insulated wire by an electrical discharge and the insulation at a portion of the wire to be b... | 08/06/1991 |
| 4890781 | Automated flow solder machine A computer controlled flow solder machine is controlled by a computer, operating in conjunction with two other computers, to control the operation of the machine and to control and monitor the process parameters for each circuit board processed through th... | 01/02/1990 |
| 4869417 | Automatic build-up welding machine for track rollers An automatic build-up welding machine for repair of workpieces such as track rollers. The machine requires no operator in charge during the welding operation. The apparatus comprises a device including a pair of guides, and a switch box connected adjustab... | 09/26/1989 |
| 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 |
| 4832250 | Electronic circuit board rework and repair system An electronic circuit board rework and repair system having a carriage manually movable to successive station positions and having a table thereon movable along mutually orthogonal axes for positioning of a circuit board clamped to the table. At a first s... | 05/23/1989 |
| 4830261 | Eddy current tool positioning system A tool positioning system comprises a discontinuity detection means, such as an eddy current system, for detecting a discontinuity within a workpiece resulting from a joint between a first piece of material relative to a second piece of material, the disc... | 05/16/1989 |
| 4807794 | Method and equipment to solder printed-circuit assemblies To match the soldering of an assembled printed-circuit board (13) to its assembly configuration, the circuit board (13) is brought in contact with a soldering wave (21) for a first time along a predetermined path (57, 58), and thereupon the circuit board ... | 02/28/1989 |
| 4776508 | Electronic component lead tinning device An electronic component tinning apparatus comprising a longitudinal base unit having two longitudinally extending sides connected to a first end and an opposing second end, a top portion connected to and bounded by said sides and ends with an open longitu... | 10/11/1988 |
| 4759489 | Automobile body building methods and apparatus In a method of building an automobile body separate upper and lower body modules (50, 78) are formed, incorporating the roof area and the floor area of the automobile respectively, precision mating locations (62) on the body modules are used first as refe... | 07/26/1988 |
| 4706204 | Controller for movable robot for moving a work element through a continuous path A control system for a movable robot, having a movable member which is linearly movable on and articulated about a base and having an articulated arm with a work element, executes a prestored continuous path program for moving the work element through a c... | 11/10/1987 |
| 4660753 | Automatic welding apparatus An automatic welding apparatus for forming a circular bead along a circumference of a first workpiece at its junction with a second workpiece in order to weld the former to the latter, comprising a turntable, clamp members for clamping the second workpiec... | 04/28/1987 |
| 4659903 | Process and machines for automatically welding or cutting the junction point between a main pipe and a secondary branch pipe The invention relates to a machine for automatically welding and/or cutting the junction point between a main pipe and a secondary branch pipe placed thereon. This machine comprises a positioning support on which the main pipe is placed. The positioning s... | 04/21/1987 |
| 4651914 | Mobile pipe mill A pipe forming apparatus provided with microcomputer control of the welding temperature and, when for a mobile pipe forming apparatus, the speed of vehicle and speed of the milling operation. Where the pipe forming apparatus is mobile, it is further provi... | 03/24/1987 |
| 4651915 | Mobile pipe mill An improved mobile pipe forming apparatus in which pipe forming apparatus is supported on a carriage. The carriage is mounted on a forward and a rearward pair of tracks, the two tracks of each pair being attached to each other by a rigid carbody, the carb... | 03/24/1987 |
| 4577796 | Method and apparatus for tracking seam welds on pipes and the like Apparatus and method for accurately aligning and applying the outside longitudinal weld seam, with the weld seam of a section of large diameter thick gauge steel pipe generally after the inside weld has already been made, including support means for maint... | 03/25/1986 |
| 4511075 | Welding nuclear reactor fuel rod end plugs Apparatus for applying a vacuum to a nuclear fuel rod cladding tube's interior through its open end while girth welding an inserted end plug to its other end. An airtight housing has an orifice with a seal which can hermetically engage the tube's open end... | 04/16/1985 |
| 4508953 | Method of multi-layer welding A method of multi-layer welding in which the welding operation is performed according to a path of welding defined by interpolating a plurality of instructed points by a suitable line, the method being characterized by storing in a memory device the coord... | 04/02/1985 |
| 4493449 | Soldering tool for a robot A soldering apparatus is disclosed for attachment to a positioning robot arm. A soldering iron and a supply of solder are combined on an accessory tool and additionally the robot has the capability of periodically cleaning the soldering iron to maintain a... | 01/15/1985 |
| 4485959 | Means for welding intercell connections An apparatus for welding through-the-partition intercell connections in a lead-acid battery container wherein each partition has at least two spaced apertures therein for making such intercell connections includes in the exemplary embodiment three weld st... | 12/04/1984 |
| 4480780 | Method of and device for positioning electrical and/or electronic components on a substrate For the mounting of electrical and/or electronic components on a substrate, the components are presented in a pick-up position in a fixed, invariable pattern, preferably in a straight row. The components are simultaneously picked up in this pattern by a n... | 11/06/1984 |
| 4445633 | Automatic bonder for forming wire interconnections of automatically controlled configuration An automatic wire bonder for bonding at least one wire between a first predetermined location on a workpiece and a second predetermined location on a substrate on which the workpiece is carried includes a wire feeding head, and means for moving the head, ... | 05/01/1984 |
| 4438600 | Grinding, welding and cutting apparatus A semiautomatic weld grinding apparatus for grinding the surface of a weld seam interconnecting two perpendicularly disposed tubular sections. The grinding apparatus is capable of grinding off excess weld from a saddle-type nozzle to shell weldment that f... | 03/27/1984 |
| 4409659 | Programmable power supply for ultrasonic applications This method provides methods and apparatus for programmably regulating power provided to ultrasonically vibrate a metal-cutting tool, with power being regulated as a function of physical parameters measured during the cutting operation which are indicativ... | 10/11/1983 |
| 4394871 | Programmable pressure regulator for titanium superplastic forming apparatus Disclosed is a programmable pressure regulator for a titanium superplastic forming apparatus. The regulator meters an inert gas, such as argon, into and out of a forming chamber to vary the pressure according to a preselected pressure profile. A profile g... | 07/26/1983 |
| 4371105 | Cam controlled multi-axis automatic welding machine A welding torch is supported by a mount which can be oscillated about a vertical pivot that is carried by and movable with an up-down frame which is carried by and movable with a forward-rearward frame that is carried by and movable with a laterally-movab... | 02/01/1983 |
| 4364171 | Method for fabricating isolated phase bus The method includes aligning a first plurality of cylindrical workpieces of a first diameter such that the longitudinal axes thereof are substantially coincident and welding the workpieces together end-to-end to form a cylindrical member of a desired leng... | 12/21/1982 |