Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8152204 | Flared brake tube connector A fluid connector assembly comprising (a) a connector body having an inner concave seat having a portion defining a frustoconical surface; (b) an elongate tube having a flared end; and (c) a nut; wherein the connector body is adapted to receive the elongate tube and... | 04/10/2012 |
| 8033577 | Flared screw fitting A flared screw fitting has a pipe expanded in an end section into a tulip flare. A connecting piece has a conical stop face situated on an end section, which is joined in the direction of a forward front face of the connecting piece by a groove. An internal mantle s... | 10/11/2011 |
| 7789433 | Tube nut assembly A tube nut includes a first member and a second member. The first member is threaded and defines a first hole. The second member is selectively rotatable with respect to the first member and defines a second hole. A tube or pipe extends through the first and second ... | 09/07/2010 |
| 7758086 | Metal to plastic fluid connection with overmolded anti-rotation retainer A fluid connection assembly (10) includes a metal tube (22) having a flared end and a plastic manifold (12) having a port (14). The port (14) includes an annular collar (16) and an annular recess (18) that receives a ... | 07/20/2010 |
| 7621567 | Corrugated tube fitting with a ridge sealing device and method A sealing device and method for sealing a length of tubing with a fitting is provided, where the sealing device includes at least one sealing surface formed with a plurality of ridges. The ridges include at least one end ridge and at least one internal ridge which a... | 11/24/2009 |
| 7607700 | Sealing device with ridges for corrugated stainless steel tubing A sealing device and method for sealing a length of tubing with a fitting, where the sealing device includes at least one sealing surface formed with a plurality of ridges. The sealing device is particularly useful for sealing at least an end corrugation of tubing i... | 10/27/2009 |
| 7600792 | Flare-shaped end structure for tube A flared end structure formed by processing an end part of a metal tube which is pressed against a seat formed in a member by tightening a coupling nut to the member. The flared end structure has a joining end part to be pressed against the seat of the member, and a... | 10/13/2009 |
| 7434598 | Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is disposed on one surface or both sur... | 10/14/2008 |
| 7350831 | End structure of water pipe A water pipe includes a pipe main body made of a synthetic resin and an annular metal inner piece inserted into an end of the pipe main body. The inner piece has its diameter increased from the inside of the pipe main body so as to increase the diameter of at least ... | 04/01/2008 |
| 7309085 | Threaded pipe coupling A threaded pipe coupling for connecting a pipe to a connection part with a conical exterior surface, especially for connecting copper pipes in refrigeration technology, with a sleeve-shaped union nut to form a threaded coupling with the connection part and a clampin... | 12/18/2007 |
| 7240925 | Tube joint A tube joint comprises a nut member which connects a tube to a joint body, collet sections which fasten the tube by fastening pawls for being pressed radially inwardly by a pressing section of the nut member to bite into an outer circumferential surface of a diametr... | 07/10/2007 |
| 7219933 | Hollow product, fluid processing system and joining method of hollow members A connecting portion (10c) of a container (10) of a catalyst converter is formed with a joining portion (15) to be joined to a joining portion (16) of a flange member (11) by spinning working, and the joining portion (15) fo... | 05/22/2007 |
| 7188508 | Jaw arm for compression tools A jaw arm for a compression tool has a jaw recess at one end and a jaw insert is supported in the recess for pivotal displacement relative thereto about an insert axis. A compression tool comprises a pair of parallel spaced apart side plates, and a pair of the jaw a... | 03/13/2007 |
| 7174999 | Automatic wire lubricating device An automatic wire lubricating device includes first and second components each having a body section of semi-annular configuration defining a portion of a continuous cylindrical interior reservoir formed by the body sections when they are fastened together into an a... | 02/13/2007 |
| 7172550 | Adjustable coupling mechanism for the conduit on a ventricular assist device A conduit assembly for attachment to a mechanical circulatory device, such as a VAD, and a method of using the same. The conduit assembly includes a conduit having a first rigid, curved conduit and a second rigid, curved conduit. A first coupling attaches a first en... | 02/06/2007 |
| 7097211 | Pipe coupling system having an anti-reversing locking ring A system for coupling a plurality of pipes end-to-end in a locked configuration to thereby form an enclosed conduit comprising a first pipe having a receiving end and an insertion end, a first annular ring track formed on an inner surface of the receiving end; a sec... | 08/29/2006 |
| 7090256 | Pipe joint A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to ... | 08/15/2006 |
| 7077177 | Clamp with canister entry and method of use in providing liquid exchange A fluid exchange is provided through the wall of a canister using a clamp having a pair of jaws enabled for gripping the canister. The pair of jaws provides a tubular entry device positioned for penetrating the canister when the jaws are tightened on the canister. T... | 07/18/2006 |
| 7017915 | Stem or shaft seal arrangement An improved seal arrangement in an assembly such as a valve assembly in which a compression member is provided to press a seal between the compression member and the valve body. In a preferred form, the compression member includes a recess which receives a first por... | 03/28/2006 |
| 7014225 | Snap connector for the coupling of pipes A pipe and snap connector assembly including mating male and female pipes joined by a clam-shell type connector. The female pipe receives a portion of the male pipe, and each pipe provides a radial flange configured such that there is a gap between the radial flange... | 03/21/2006 |
| 7011344 | Connector and method of use of the connector A connector for connection of a pipe end portion of coiled tubing adapted for connecting a piece of downhole equipment. The connector is formed by three separate parts that can be screwed together two and two, of which a radially inner shrinkable adapter sleeve comp... | 03/14/2006 |
| 7004510 | Tubing containment system An embodiment of the invention is a piping system including a fluid impermeable sleeve having a plurality of longitudinal, spaced ribs formed on an interior surface of the sleeve. A fluid carrying tubing is positioned internal to the sleeve. A coupling has a first e... | 02/28/2006 |
| 7000953 | Pipe screw-connection A pipe screw-connection for connecting a pipeline having a connection end with a deformed annular bead, including a connection stub and a screw-connection coupling part, which can be screw-connected to the connection stub in order to retain the pipeline in a sealed ... | 02/21/2006 |
| 6988748 | Fluid coupling assembly A fluid coupling assembly having a first and second metal tube, each tube having an outwardly flared end. A first connector includes a throughbore, a first end and a second end with a radially inwardly extending rim at the first end of the first connector. The first... | 01/24/2006 |
| 6981722 | Pipe coupling device A pipe coupling device has a main body defining a main body passage hole to permit communication between inside the main body passage hole and outside the main body passage hole. A fixing screw member is joined to the main body to surround a periphery of the main bo... | 01/03/2006 |
| 6971683 | Joint for tubings A joint for tubings with which, in tightening the nut member (20), the friction torque applied to the first end face (32) of the control ring (30) by the bore peripheral face (25) of the internally threaded bore (21) of the nut mem... | 12/06/2005 |
| 6966210 | Tool for flanging coated brake pipes A tool for flanging coated brake pipes has a basic body with a receiving groove and a clamping jaw with a clamping groove. The receiving groove and the clamping groove form a clamping channel, in which the brake pipe can be received snugly. To achieve the snug hold ... | 11/22/2005 |
| 6945569 | Enhanced durability hammer union A union for connecting two tubular members. The first tubular member has an external flange, and the second tubular member has a set of external threads. An annular nut surrounds the first tubular member. The nut has an internal flange that surrounds the first tubul... | 09/20/2005 |
| 6913294 | Coupling for coaxial connection of fluid conduits A coupling is designed for sealingly connecting two fluid conduits such as automotive fluid lines in axial end-to-end relationship. The conduits have respective telescopically interengaging male and female end sections and the coupling comprises a base member to be ... | 07/05/2005 |
| 6866302 | Connecting structure for hose with corrugated metal tube In a hose with corrugated metal tube, a connecting pipe is formed with a tapered inner surface in a tip end portion thereof a corrugated metal tube is formed with a flared portion flaring as to correspond to the tapered inner surface of the connecting pipe, and a ma... | 03/15/2005 |
| 6857670 | Plastic tube joint An apparatus for creating a permanent, leak-proof plastic tubing joint including a length of plastic tubing, a fitting component and a device capable of generating a local electromagnetic field. The fitting component is manufactured of a polymer containing nonpolyme... | 02/22/2005 |
| 6848719 | Bendable polymer-lined water heater connector This invention relates to a connector having an inner polymeric liner with either two opposed flared ends or one flared end and an opposed sealing end, a bendable outer metallic sleeve having two opposed flared ends of essentially similar geometry to either the poly... | 02/01/2005 |
| 6776440 | Method and structure for preventing slipping-off of a tube in a pipe joint made of resin A structure for preventing slipping-off of a tube in a pipe joint made of resin in which a union nut (2) is fastened to a joint body (1) to cause a pressing edge portion (19a) of the union nut (2) to abut against a diameter-increas... | 08/17/2004 |
| 6729659 | Flare fitting assembly with metal-to-metal line seal A flare fitting assembly includes a first coupling member and a second coupling member adapted to be cooperatively coupled together. The first coupling member has a first through bore with one end adapted to accept and retain a first tube. The second coupling member... | 05/04/2004 |
| 6702334 | Tapered compression ring for flared tube applications A tapered compression ring for flared tube applications includes a generally ring-shaped body having (a) a gap defining a first end and an opposite second end, (b) a first face, (c) an opposite second face, and (d) a central axis. The first face is tapere... | 03/09/2004 |
| 6672377 | Oil cooler An oil cooler comprises an inner water pipe, an outer oil pipe, a strainer pipe sleeved between oil pipe and water pipe, and a connector mechanism at either end of oil cooler and including a hollow cylindrical connector having a passage coupled to water p... | 01/06/2004 |
| 6619699 | Flexible hydraulic brake line assembly for motor vehicle wheels Hydraulic fluid is supplied to hydraulic brake cylinders for calipers and brake shoes of a motor vehicle through brake line assemblies each including a flexible multi-layer high pressure brake hose having opposite end portions each receiving an inwardly f... | 09/16/2003 |
| 6601879 | Plastic fitting for flared tubing A plastic fitting couples a section of tubing with a concave flared end to a fitting body. In a preferred embodiment, the flared tube has an expanded s-shape in the cross-section and the plastic fitting generally comprises a fitting body and a fitting nut... | 08/05/2003 |
| 6598908 | Hydraulic fitting A connector for a fluid conduit is provided herein. The connector includes a conduit structure and an annular seal member. The conduit structure has a frustro-conical surface and a seal groove. The frustro-conical surface may be an external surface or an ... | 07/29/2003 |
| 6598286 | Metal tube coupling arrangement and method of manufacture An arrangement for locking a metal tube to a hose fitting in which the end of the metal tube is flared to form a generally conical tube end, and the conical tube end is inserted into a fitting to seat against an opposing conical shoulder. The portion of t... | 07/29/2003 |
