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| Number | Title | Issue Date |
| 7343968 | Washpipe seal assembly A coupling seal assembly is described for directing a pressurized abrasive fluid between a non-rotating conduit member and a rotating second conduit member. The seal assembly includes a first ceramic floating seal member secured to the non-rotating conduit member an... | 03/18/2008 |
| 7331612 | Low profile tension style flexible joint A low profile tension style flexible joint for pneumatic ducting may be useful as, for example, a joint for aircraft engine pneumatic ducting. The joint of the present invention may be used at both ends of a duct that passes high temperature (up to about 1200° F.) ... | 02/19/2008 |
| 7229102 | Fluid coolant union A coolant union includes a seal assembly having a first seal member and a non-rotating second seal member. At least one of the annular sealing surfaces presented by the rotating seal member and the non-rotating seal member is chamfered such that the chamfered sealin... | 06/12/2007 |
| 7052049 | Rod linkage Rod linkage for rod segments for a horizontal earth drill, whereby the rod segment ends can be interconnected by displacing the rod segment axes in parallel. The invention relates to a rod linkage for horizontal earth drilling which is characterized in that the ends... | 05/30/2006 |
| 6969071 | Face seal assembly A face seal assembly including an annular mating ring housing having a proximal end surface with a channel therein, a mating ring insert disposed in the channel, the mating ring insert including a mating ring compressed within a first band to maintain the integrity ... | 11/29/2005 |
| 6685234 | Fluid fitting with torque suppression arrangement A coupling assembly includes a pair of glands having ends that seal on opposite faces of a seal member. A coupling nut assembly cooperates with the glands to urge the ends against the seal member. A torque suppression assembly is mounted on a groove of th... | 02/03/2004 |
| 6634391 | Integrated fluid conduction system An integrated fluid conduction system or hose assembly comprising a hose, a clamp, and a coupling device wherein the hose includes an external surface and a projection, with an orifice, extending from the external surface. The clamp includes an opening to... | 10/21/2003 |
| 6585296 | Tube sealing assembly A high pressure be seating assembly adapted for liquid sealing against a rigid surface having a connecting conduit. The tube sealing assembly includes a rigid, elongated, tube member having a spherical sector-shaped distal end portion with a radius substa... | 07/01/2003 |
| 6494500 | Universal high pressure liquid connector The present invention is a universal self-adjusting high pressure liquid connector for use with high pressure liquid chromatography (HPLC) columns requiring liquid-tight and leak free seals between fittings and unions. The present apparatus provides a liq... | 12/17/2002 |
| 6398267 | Device for interconnecting two smooth tubes in leaktight manner A device for coupling together in leaktight manner two smooth tubes disposed end-to-end, the device comprising a sleeve which diameter can be reduced by a tightening action, and a sealing ring (24) suitable for being disposed inside the sleeve so as to su... | 06/04/2002 |
| 6343496 | Can shaping apparatus and method A method and apparatus for providing a contoured design confirguration in the wall of an open ended container workpiece employs plural molds on a rotating turret an which a plurality of molds are provided with each mold having an inwardly facing wall havi... | 02/05/2002 |
| 6308994 | Fluid fitting with torque suppression arrangement A coupling assembly includes a pair of glands having ends that seal on opposite faces of a seal member. A coupling nut assembly cooperates with the glands to urge the ends against the seal member. A torque suppression assembly is mounted on a groove of th... | 10/30/2001 |
| 6217083 | Swivel fitting A swivel fitting is provided for use on a riser line associated with the underground storage tank of gasoline service stations. The swivel fitting includes an adapter sleeve that attaches to the riser line and a swivel sleeve with a quick release fitting ... | 04/17/2001 |
| 6196596 | Quick connect/disconnect coaxial hose assembly A quick connect/disconnect coaxial hose assembly comprises male and female half hose assemblies wherein the half hose assemblies respectively comprise a male and female connector, an outer tube member for conducting a first fluid therethrough, an inner tu... | 03/06/2001 |
| 6003907 | Rotatable ball-bearing joint for pressure hose A rotating joint for pressure hoses has a plug-in part (1) with a hollow pin (4) that projects into and is sealed against a receiving part (2). The rotating joint also has a rolling bearing, in particular a ball bearing, that has an outer race joined to t... | 12/21/1999 |
| 5992901 | Device for coupling a coolant duct of a rotating part A device for coupling a coolant duct of a rotating part, especially for a back-up or transport rollers, includes a hollow resilient compensator device fixedly connected to a journal of the rotating part, wherein the journal comprises a bore hole for condu... | 11/30/1999 |
| 5964250 | Low leakage, articulating fluid transfer tube A transfer tube system includes a transfer tube, a spring, a pair of opposing seats, and a pair of end assemblies that provide independent axial spring loading of the opposing seats. The spring loading assures continuous sealing contact regardless of dyna... | 10/12/1999 |
| 5716080 | Bearingless fluid coupler A bearingless, mechanical, rotary, fluid-tight coupling apparatus for effecting a fluid-tight seal between a non-rotating member such as a fluid supply line and a rotating member, such as a spindle, of a flexible machine tool. The apparatus includes a gui... | 02/10/1998 |
| 5651567 | Multi-passage bearingless fluid coupler A multi-passage bearingless fluid coupler providing an interface between a rotating machine tool spindle and a non-rotating coolant hose. The coupler includes a housing that defines a chamber that has an aperture and first and second fluid inlet ports. A ... | 07/29/1997 |
| 5577775 | Bearingless coolant union A unitary, fully-assembled bearingless coolant union which transfers cooling fluid from a fluid source to an axial bore of a rotating spindle on a stationary machine. The union includes a main housing which holds in position both a rotor assembly and a st... | 11/26/1996 |
| 5226677 | Rotary joint with extended life seal The invention pertains to a rotary joint for use with rotating machinery, such as a dryer drum, where the joint is conveying steam by means of a rotating nipple and sealing structure. The primary elements are a stationary housing comprised of a head, body... | 07/13/1993 |
| 5174614 | Bearingless rotary mechanical fluid coupling A rotary fluid union comprises a rotor having a sealing surface and mounted into a rotary member, and a stator having a sealing face and mounted in a stationary housing, the rotor and stator being mechanically disconnected other than by the sealing faces ... | 12/29/1992 |
| 5169181 | Impact resistant rotary joint with glide ring seals A rotary joint for rotating heat exchangers of the drum or roll type having a journal wherein damage to the rotary joint by radial impact forces is minimized by mounting the joint housing upon the rotating journal, the joint nipple is stationary and mount... | 12/08/1992 |
| 5163722 | Connection apparatus with ferrule forming structure An improved apparatus for connecting first and second conduits having first and second bores, respectively to provide communication between the first and second bores which may be used with temperatures and/or wide variations in temperature. While a biasi... | 11/17/1992 |
| 5161831 | Spacer sleeve A sleeve element is installed between two hollow gear shafts which are rotatably coupled relatively to each other by a bearing. The sleeve has a hollow cylindrical body which is received inside one of the shafts. The sleeve has a plurality of slots in one... | 11/10/1992 |
| 5148832 | Faucet having resiliently-packed rotatable spout A faucet includes a spout having a shaft portion protruding inwardly from the spout to be rotatably engaged with a boss of the faucet; and two packing members disposed on two opposite sides of the boss having an outer packing member rotatably sealed betwe... | 09/22/1992 |
| 5087082 | Rotary joint This invention is directed to a novel rotary joint or coupling which is useful for coupling a rotating element to a non-rotating element. More particularly, this invention is directed to a novel rotary joint or coupling which couples a rotating element to... | 02/11/1992 |
| 5067753 | Hydrostatically balanced rotary hydraulic connector The fluid-tight coupling is designed for connecting a fixed hydraulic line with a rotary hydraulic line. The fixed line (1) carries on its end an axially movable tubular piston (7) provided with a hemispherical head (8); the rotary line (2) has an offset ... | 11/26/1991 |
| 5052432 | Universal swivel body for a fluid handling hose connector A universal swivel body for a fluid handling hose connector has threaded inlet and outlet ends connected by an axial fluid passageway and capable of attachment to a stationary fluid supply line and a rotating fluid service line. The axial fluid passageway... | 10/01/1991 |
| 5050913 | High pressure, rotatable pipe joints There is provided rotatable pressure tight pipe joints and non-rotatable pressure tight pipe joints. The rotatable pressure tight pipe joints preferably have mating spherical surfaces with a sealing ring overlapping the joint between two pipe ends and com... | 09/24/1991 |
| 4792164 | Rotary joint for stationary siphon A rotary joint for a stationary siphon is combined with a roll which has a cavity into which steam is introduced and which is rotatably supported by a frame. The rotary joint includes a main body fixed to an axial end of the roll. A supporting pipe for in... | 12/20/1988 |
| 4758026 | Rotary joint with balanced seals A rotary joint for establishing communication of a pressurized medium with a rotating heat exchanger drum wherein the joint seals and associated structure are of such configuration to permit internal balancing with respect to fluid pressures imposed there... | 07/19/1988 |
| 4606560 | Thrust bearing rotary joint An improved rotary joint structure for transmitting fluid into and removing condensate from a rotating device, including a stationary housing into which a rotatable sleeve extends. A siphon pipe is positioned concentrically within the rotatable sleeve. At... | 08/19/1986 |
| 4570440 | Articulated connector An articulating type exhaust connector for a vehicle having a transversely mounted engine with an exhaust manifold moveable with respect to an exhaust header conduit caused by engine roll. The articulated connector includes a seating surface formed at the... | 02/18/1986 |
| 4477107 | Rotating joint with separated bearings and seals A rotating joint for establishing supply and return fluid flow connections between stationary piping and a rotating drum and syphon pipe and in which separate bearings and seals are provided for a drum shaft and a syphon pipe.... | 10/16/1984 |
| 4458904 | Seal for use with pipes to be fitted one into another with spigot and socket ends A seal for use with pipes to be inserted one into another with spigot and socket ends, comprising a sealing sleeve made of an elastomeric material and arranged in the socket, wherein the sleeve is provided with a radially resilient element, the arrangemen... | 07/10/1984 |
| 4360186 | Swivel joint A Swivel Joint for use on producing wells which are being pumped, having an upper and a lower annular member, in juxtaposition, with a coil spring separating the members, the lower member having a curved external face to receive, in line contact, the insi... | 11/23/1982 |
| 4254972 | Stainless steel rotary joint The invention pertains to a rotary joint for transmitting fluids to or from rotating members characterized by its corrosion resistance, lightweight and tamper-proof construction. The joint includes a sheet metal stainless steel casing in which a tubular n... | 03/10/1981 |
| 4215907 | Ball-bearing arrangements The invention relates to a three point ball bearing arrangement which facilitates rotation in a desired direction and at the same time restricting unwanted relative lateral movement between the balls and its associated ball race. The arrangement provides ... | 08/05/1980 |
| 4194767 | Rotary joint A joint structure for transmitting fluid therethrough and having a rotary, hollow sleeve comprised of two sections, each section being journalled in a bushing supported in a stationary casing surrounding the sleeve sections. The adjacent free ends of the ... | 03/25/1980 |
