Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7207179 | Method of connecting heat transfer pipe and capillary tube A connecting method and structure is provided to reliably ensure the compressive strength of the joint between a heat transfer pipe and a capillary tube when connecting the capillary tube to the heat transfer pipe by direct brazing. In the connection structure betwe... | 04/24/2007 |
| 6966188 | Plate-like body connecting method, connected body, tail pipe for gas turbine combustor, and gas turbine combustor The present invention provides a plate-like body connecting method in which functions such that cooling capability is not reduced. There is provided a plate-like body connecting method for connecting at least two plate-like bodies each having passages that extend al... | 11/22/2005 |
| 6910618 | Method for preparing pipe for butt welding A steel pipe is welded to a threaded connector that has an end with a desired nominal inner diameter. A swage is forced over an end of the pipe, reducing an outer diameter and an initial inner diameter of the end of the pipe. A die is then forced into the end of the... | 06/28/2005 |
| 6446857 | Method for brazing fittings to pipes There is provided a process that includes providing an extruded fitting having a bore formed therein. The bore is machined from one or both sides of the extruded fitting to provide a ledge on one side for interacting with a corresponding fitting and a sto... | 09/10/2002 |
| 6070787 | Method of manufacturing chip components A chip component is manufactured through a step of burning a unburned unit element made of ceramics having prism-shaped parts at its ends, a step of polishing the edges of the burned unit element, and a step of forming a resistor conductor, an electrode c... | 06/06/2000 |
| 6000482 | Drilling pipe for directional boring An improved drilling pipe for directional boring uses a frictionally welded threaded coupling attached to pipe ends for connecting multiple pipes in a drill string. A stress spreader of the end coupling crosses the frictionally welded region to modify str... | 12/14/1999 |
| 5996878 | Method of welding 5-G pipe A method for welding horizontal pipe along the inner diameter of the pipe and outer diameter of the pipe to prevent weld root defects on the bottom half of the pipe.... | 12/07/1999 |
| 5839644 | Method of coupling and forming copper fittings with solder therein An improved fluid fitting made from a portion of copper tubing has at least one annular cavity disposed in its inner periphery adjacent to each open end of the fitting. Solder is disposed in and substantially fills the at least one annular without extendi... | 11/24/1998 |
| 5562312 | Discountinuous plane weld apparatus and method for enhancing fatigue and load properties of subterranean well drill pipe immediate the area of securement of pipe sections An apparatus and method are provided for enhancing fatigue and load properties of subterranean well drill pipe immediate the area of securement of pipe sections by providing a weld in a discontinuous plane to secure pipe sections to each other, said weld ... | 10/08/1996 |
| 5431486 | Disc road wheel having gas ventilation grooves between the rim and the disc A disc road wheel on which a tire is fitted. The disc road wheel has a disc formed with an outer peripheral annular flange section which is press-fitted to the inner peripheral section of a rim. The flange section is formed at its outer peripheral surface... | 07/11/1995 |
| 5400951 | Method of brazing a joint portion of an intake manifold with preplaced brazing In brazing a first metal piece having a tubular joint portion of predetermined length at an end thereof and a second metal piece having a bore for inserting the extremity of the joint portion thereinto by replaced brazing with the extremity of the joint p... | 03/28/1995 |
| 5358168 | Brazed hydraulic fittings and method of making same The present invention is a brazed fitting suitable for use as a hydraulic coupling for pressurized fluids. A male component has a tapered surface which mates and creates an interface with a similarly tapered surface of a female component. A brazing materi... | 10/25/1994 |
| 5240168 | Method for making a composite to carbon steel joint An improved method for making a composite tube (10) to a carbon steel tube (16) joint or a composite tube (10) to a carbon steel header (50) joint is achieved by specially preparing the composite tube (10) by removing the cladding (12) from one end (24) t... | 08/31/1993 |
| 5060739 | Cutter assemblies for rotary drill bits, and method of manufacturing same A cutter assembly, for a rotary drill bit, comprises a stud to be received in a socket in the surface of the bit body, the stud being formed, adjacent one end, with a plane surface inclined to the longitudinal axis of the stud. A preform cutting element c... | 10/29/1991 |
| 4841101 | Hermetically sealed feedthroughs and methods of making same In the sealed feedthrough construction disclosed herein, a maximally compliant solder joint is provided between the low expansion ferrule of a glass insulted feedthrough connector and a bore in an enclosure bulkhead of a high expansion metal. The desired ... | 06/20/1989 |
| 4816621 | Ceramic-metal feedthrough lead assembly and method for making same A ceramic-metal lead assembly, of the type suitable for use in nerve or heart pacemakers, has a disk of high-purity ceramic with at least one lead extending therethrough, the disk being soldered vacuum-tight to a flange ring via a solder gap. The flange r... | 03/28/1989 |
| 4732310 | Composite camshaft and method of making the same A composite camshaft is formed by brazing a journal to a shaft. After a brazing material is fitted into an annular groove formed on the center of the inner peripheral surface of a shaft-receiving bore in the journal, the journal is fitted onto the shaft a... | 03/22/1988 |
| 4685202 | Method of forming a coupling disc for an electromagnetic coupling A method of forming non-magnetic barriers in the coupling disc (e.g., the armature or rotor) of an electromagnetic coupling such as a clutch or brake. The method is carried out by moving the disc relative to a laser beam which cuts a slot through the disc... | 08/11/1987 |
| 4679722 | Method and apparatus for welding two pipes along their line of penetration A continuous and optimum weld is provided in the weld space between the attachment end of a secondary pipe and the outer surface of a primary pipe by means of a downwardly extending electric welding burner, the secondary pipe being oriented to extend at a... | 07/14/1987 |
| 4679723 | Method of soldering the outer sleeve of a coaxial cable connector to a housing The outer conducting sleeve of a coaxial cable connector is soldered to a housing wall or metal plate, the sleeve being butt-mounted to the plate. The plate has a raised edge surrounding the opening, and a ring of solder is placed between the raised edge ... | 07/14/1987 |
| 4641546 | Crankshaft assembly for small gasoline motors In the formation of a crankshaft, such as used in small gasoline motors for lawn motors, chain saws and the like, separately produced crank webs, shaft pins and crank pins are used to form an integral crankshaft. Initially the various parts are shaped to ... | 02/10/1987 |
| 4625904 | Structure of disc wheel A welding structure for a disc wheel installed on a vehicle. The disc wheel comprises a rim and a disc, the disc having an outer peripheral portion fixed to an inner surface of the rim by welding. The edge surface of the outer peripheral portion of the di... | 12/02/1986 |
| 4609138 | Method of manufacturing injection molding manifold with plugs This invention relates to an improved method of manufacturing injection molding manifolds for multicavity molding. The method includes gun drilling a longitudinal duct through a steel manifold body, drilling a transverse inlet duct to connect to an inlet ... | 09/02/1986 |
| 4606491 | Process for sealing a leak in a rolled tube/tubeplate joint The process steps for sealing a leak in rolled tube/tubeplate joints in heat exchange units comprise removing a portion of the tube end (2) and of the tube-plate (1) by a milling cut (6) and joining the surfaces thus formed by a weld seam (7) of preferabl... | 08/19/1986 |
| 4579652 | Disk screen shaft assemblies and method of and means for manufacturing the same Disk screen shaft assemblies have an array of concentric annular toothed disks mounted in axially spaced relation on and along shaft perimeters, with the inner diameters of the disks having bevelled edges welded to the shaft perimeters in a manner to conf... | 04/01/1986 |
| 4576325 | Method of manufacturing a bicycle hub A method of manufacturing a hub member (50) for use in a coaster brake (52). A supply of tubular stock material (8) is transported to a work station and the interior thereof machined to establish first and second diameters (16) and (17), respectively, sep... | 03/18/1986 |
| 4500030 | Flange weld technique A technique for securing a tube to a flange includes the steps of inserting the end of the tube into an aperture provided on the flange from the first side of the flange such that a portion of the tube extends at least to, and preferably beyond the second... | 02/19/1985 |
| 4402449 | Method of making an expandable mandrel having a thin cylindrical sleeve and a pair of thick wall arcular ends A method of making a workpiece holding device having an expandable mandrel including the step of melting copper ring seals around the bore next to the ends of the expandable mandrel to maintain the mandrel rigidly in place. The holding device includes an ... | 09/06/1983 |
| 4394953 | Method of joining individual parts of an X-ray anode, in particular of a rotating anode In the manufacture of rotating anodes for X-ray tubes consisting of a basic body made of high-melting metal or its alloys and one or a plurality of graphite parts, the graphite parts (3) are provided with grooves (5) and boreholes (6) before the individua... | 07/26/1983 |
| 4386728 | Hermetic sealing of abutment joints by non-vacuum focused energy welding A method of hermetically sealing by NVFE (non-vacuum focused energy) welding abutment joints formed by elongate surfaces. At substantially spaced intervals narrow shallow vent grooves are formed across one of the surfaces, while leaving between the vent g... | 06/07/1983 |
| 4360289 | Pin for brazing to a substrate and improved package resulting therefrom A pin designed to be attached to a solid state module for making connection between the module and other parts of a metallurgical system. The end of the pin that is to be brazed to the module has a sloping (e.g., conical or wedge) shaped head so that gas ... | 11/23/1982 |
| 4255641 | Method of outside welding of pipelines The specification discloses a method and apparatus for assuring the integrity of outside weldings of pipelines. Pipe sections are prepared for welding by forming a beveled profile with a relatively narrow annular contact band on the ends of each pipe sect... | 03/10/1981 |
| 4234119 | Method of making a structure immune against stress corrosion cracking A groove is provided on the side of a metallic structure opposite to the side thereof which is exposed to a corrosive atmosphere, and the groove is subjected to build-up welding while cooling with a liquid coolant, whereby any stress corrosion cracking wh... | 11/18/1980 |
| 4179059 | Automatic pipe welding apparatus and method A TIG pipe welding method which employs two sets of machine guide surfaces on the pipe ends. First radially inner guide surfaces cooperate with a sensor coupled to the welding torch to continuously monitor the arc gap between the welding electrode and the... | 12/18/1979 |
| 4179141 | Branch connection fitting A cylindrical branch connection fitting has an end adapted to be welded to a main pipe adjacent an opening therein with a pair of opposed ears and a pair of opposed crotches and a weld bevel extending outwardly from the inner edge of said end. A transitio... | 12/18/1979 |
| 4132343 | Method for manufacturing a pipeline having an internal protective layer A pipeline consisting of lengths of steel pipe welded together in end-to-end relation is made by first weld-plating the internal surface of the end portions of each individual pipe length with a corrosion-resistant material. A protective layer is then app... | 01/02/1979 |
| 4131302 | Clamp-welded pipe joint A seal-welded pipe joint mechanically braced by a clamp for preferred use in handling toxic and radioactive materials is disclosed together with a process for joining the same. The joint comprises a pair of abutted male frustroconical skirts, each attache... | 12/26/1978 |
| 4084739 | Apparatus and method for aligning and welding tubular metal components together An apparatus and method for concentrically and radially aligning and welding together two tubular metal components, such as a metal pipe or tubing, and a tubular flanged member, or two or more metal pipes or tubings. The adjacent end wall portions of the ... | 04/18/1978 |
| 4068436 | H-shaped steel column base member and welding thereof A steel column base member for connecting an H-shaped structural steel column member to a concrete foundation, which base plate member is an integral cast or forged body comprising a bottom plate member to engage the foundation, an H-shaped projection upw... | 01/17/1978 |
