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| Number | Title | Issue Date |
| 7364204 | Integrated transfer line for automotive steering system An apparatus according to this invention for carrying hydraulic fluid in a power assisted automotive steering system, includes a tube having a tube wall formed with a first port that extends though a thickness of the tube wall. A housing includes a wall formed with ... | 04/29/2008 |
| 7252310 | Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co... | 08/07/2007 |
| 7171915 | Water-stable inflatable pontoon boat transportable by trailer A boat having inflatable pontoons connected therewith by rotatable support assemblies is described. The structure is capable of collapsing to a small size for transport on a trailer, but provides a wide base for stable operation when deployed on water. A foldable de... | 02/06/2007 |
| 7168979 | Microwave connector A coaxial connector including an outer conductor, a glass to metal seal (GMS) assembly, and a center conductor, is disclosed. The outer conductor has a tubular shape and defines longitudinal axis. Here, the center conductor and the GMS assembly are coupled before th... | 01/30/2007 |
| 7114301 | Flashing for inclined roof and method for installing the same Disclosed is a flashing for weatherproofing an aperture made in an inclined roof to allow passage of a vertical member such as chimney through the inclined roof. This flashing has a base member adapted to be mounted over the aperture and a surrounding member that is... | 10/03/2006 |
| 7114526 | Composite hose with a corrugated metal tube A composite hose comprises a corrugated metal tube as barrier layer against permeation of conveyed fluid and a reinforcing layer which is formed by braiding a reinforcing wire member made of a metal wire. A braid density of the reinforcing layer is 55% or less. ... | 10/03/2006 |
| 7086668 | Coupling assembly A coupling for a double tube is configured to connect with the double tube. The double tube includes an outer tube for a first fluid to flow therethrough. The double tube includes an inner tube provided inside of the outer tube and having an end protruding from the ... | 08/08/2006 |
| 7025393 | Pipe coupler with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the con... | 04/11/2006 |
| 7014219 | Pipe joint and method of producing a pipe joint A pipe joint includes at least a first and a second pipe. A section of the first pipe is opened out and a further section of the second pipe is inserted into the section, so that both pipes overlap in an overlap region. A gap is formed between the section and the fu... | 03/21/2006 |
| 7011343 | Socket-welded pipe joint A welded pipe joint having reduced internal stresses comprises a pipe, a socket fitting, and an annular weld. The end surface of the fitting is chamfered, preferably in a concave profile, so that the weld profile subtends an angle of from about 100 degrees to about ... | 03/14/2006 |
| 6918617 | Self-centering soldered feed-through A soldered feed-through device that is inserted into a bulkhead opening has one or more sets of laterally protruding and symmetrically distributed teeth that cut through the bulkhead material as the feed-through is inserted into the bulkhead opening. The teeth autom... | 07/19/2005 |
| 6571683 | Hydraulic cylinder A double-action hydraulic cylinder (3) is provided with an axially slidable piston between a front cover and a rear cover, whereby the piston may be coupled to an extreme load through a piston rod (4) and whereby the piston may be biased via connections (... | 06/03/2003 |
| 6505813 | Valve assemblies A valve assembly includes a valve body defining an inlet and an outlet, and a passageway for flow of fluid from the inlet to the outlet. An attachment member is in removable engagement with the valve body at one of the inlet and the outlet. A pipe coupler... | 01/14/2003 |
| 6283157 | Sweat flange, piping system and method of use A sweat flange, piping system utilizing the same, and method of installing a circulator to a copper pipe. The sweat flange includes a base portion having a predetermined shape and at least two bolt openings dimensioned to accept at least two mounting bolt... | 09/04/2001 |
| 6154960 | Enhancements to a heat exchanger manifold block for improving the brazeability thereof A method for enhancing the brazeability of a heat exchanger manifold block (110) by promoting the braze metal flow in and around the manifold block (110) during brazing within a braze furnace. The invention is particularly directed to enhancing a brazemen... | 12/05/2000 |
| 6019349 | Ball valve assemblies A ball valve assembly has thin-walled tailpieces of a high thermal conductivity material, e.g., copper. The tailpieces are removably mounted to the body, allowing the valve body and heat sensitive components to be removed from thermal contact during sweat... | 02/01/2000 |
| 6016842 | End fittings for metal hose assemblies and method of attachment End fittings for metal hose assemblies are disclosed, plus a method for their attachment. In a preferred embodiment, the hose assembly comprises: a standard flexible metal hose with a convoluted metal innercore; two cold-worked tubular end fittings with s... | 01/25/2000 |
| 5957507 | Joint structure for branch connectors in common rails A joint structure for a branch connector in a common rail, comprising: a main pipe rail having a conduit therein on its axis and a plurality of through holes formed in its circumferential wall at an axial spacing, each of the through holes having a pressu... | 09/28/1999 |
| 5924742 | Apparatus for joining stop cock to a valve body A valve having a purging apparatus includes a valve body having a defined passage that is aligned along an axis of the valve body. A conduit having an axis passing downwardly through the valve body and in communication with the passage forms an angle with... | 07/20/1999 |
| 5857717 | Plumbing device and method An improved device and method for plumbing a recirculating water pump into a hot water heating system, the water pump having a pair of connecting flanges on the inflow and outflow sides of the pump. The present invention includes a section of copper tubin... | 01/12/1999 |
| 5785360 | Thread coupling for drill string elements for percussive drilling A thread coupling for percussive drilling has a first drill string element (2) with an internal thread (3) and a second drill string element (6) with a spigot (7) which is provided with an external thread (8) for cooperation with the internal thread (3). ... | 07/28/1998 |
| 5380048 | Tube joint Circumferentially spaced bosses concentrically position a male tube end within a female tube end. The bosses have a preferred shape which permits molten brazing material to flow evenly between the tubes, ensuring a void-free joint. The bosses provide a re... | 01/10/1995 |
| 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 |
| 5333918 | Unitary brazed tubing fitting assembly with deformed sealing web A threaded fitting, having an external thread and sealing surfaces to match standard tubing fitting designs. The fitting has an internal bore which is defined by two coaxially aligned cavities; an upper cavity is the diameter to receive a standard diamete... | 08/02/1994 |
| 5251714 | Method for soldering pipe end and counter member A method for soldering in a furnace the end of a small diameter metallic pipe to a mating member. The soldered product is generally used as an oil or air supply means for automobiles and other various kinds of machines and devices. According to the method... | 10/12/1993 |
| 5176410 | Brazing and soldering fittings for tubes Fittings made of copper, brass, red brass or steel are provided with an inside coating of a flux and a solder layer. By this technique, the soldering process is simplified, damages caused by overheating of the flux are avoided and the amount of the solder... | 01/05/1993 |
| 5137202 | Pipe joint lead stop and method An article for providing a barrier between solder in a piping joint and the interior of the piping joint so that drinking water flowing therethrough is not contaminated by lead particles resulting from water flow erosion of the solder. The barrier article... | 08/11/1992 |
| 5101889 | Heat exchanger u-bend dipped joint with vent for clearance space A heat exchanger, in particular for an automotive vehicle, includes a bundle of tubes with a plurality of assemblies of first tubular elements with second tubular elements, so as to constitute a continuous circuit for circulation of fluid within the heat ... | 04/07/1992 |
| 5042847 | Metal to ceramic sealed joint A metal to ceramic sealed joint which can withstand wide variations in temperature and maintain a good seal is provided for use in a device adapted to withstand thermal cycling from about 20 to about 1000 degrees C. The sealed joint includes a metal membe... | 08/27/1991 |
| 4867486 | Soldering structure of tubular material A soldering structure of a tubular material for soldering one end portion of a tubular material to an auxiliary plate with a soldering material coated thereto, wherein the plane auxiliary plate is formed therein with a communicating hole for allowing the ... | 09/19/1989 |
| 4333669 | Brazed or soldered joints The brazed or soldered joint is for the connection of a capillary tube, namely of a very thin, flexible metal tube, with a test point or with an expansion chamber of a temperature regulator operating with an expanding fluid. The brazing or soldering locat... | 06/08/1982 |
| 4295672 | Flexible tube terminating means A flexible tube terminating means comprising a fitting connected around the end portion of a flexible tube and having a shoulder for engagement by an annular threaded coupling member located around the tube. The fitting is formed by one member which engag... | 10/20/1981 |
| 4272006 | Method of soldering tube to plate A method of making and the resulting heat exchanger in which there is provided a header plate having a tube receiving opening closely embracing the tube in the opening with a sheet of solder on at least one of the tube and plate adjacent to the opening to... | 06/09/1981 |
| 4258939 | End connection structure for a hollow conductor assembly A coupling structure for a hollow conductor assembly in which the hollow conductors form at least a part of the winding of an electrical machine to be cooled by passing a fluid coolant through the conductors. A nipple made from a hard material such as a n... | 03/31/1981 |
| 4018246 | Line tap valve A line tap valve having a body portion integrally formed with opposed leg portions defining a saddle for the reception of a line to be tapped and bendable into embracing relation about the line to retain it securely in place during soldering or brazing, t... | 04/19/1977 |
| 3968982 | Coaxial metallurgical connection For metallurgically joining together coaxial parts of materials with greatly different thermal expansion coefficients such as, for instance, tubes, the walls thereof are slit in the axial direction in the overlap area. The parts to be joined together are ... | 07/13/1976 |
