Class 285/413 - Rings

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter comprising an annular plate-like body having
No. of patents: 24
Last issue date: 10/14/2008

Number	Title	Issue Date
7434851	Device for the connection of high-pressure conduit pipes A device is illustrated and described for connecting two ends of high-pressure pipelines for use in longwalls of underground mining, having a removable pipe coupling for tension-proof and tight connection of the two pipe ends whose constructions are tailored to one ...	10/14/2008
7225837	Casing spacer with joint restraint An integrated casing spacer and joint restraint unit is attached to each of a pair of pipe sections adjacent to an end-to-end connection of the pipe sections by means of first and second spacer/retainer ring members. Disposed on the outer periphery of each ring memb...	06/05/2007
7216899	Alternative method for sealing all-metal vacuum joints A clamping system for high or ultra-high vacuum system components including a clamping member surrounding a flange of the vacuum system component. A bead along the inside diameter of the clamping member engages a groove in the peripheral surface of the flange. When ...	05/15/2007
7140646	Shield for wall penetration of flexible tubing A shield designed to be installed in exterior frame walls of buildings for the penetration of flexible tubing, cabling, or wiring. Comprised of a round, rectangular or square sleeve attached to mounting plate(s) or angle(s). The mounting plates or angles have holes ...	11/28/2006
6918619	Pipe connecting assembly and method of use A pipe coupling assembly includes a first and a second pipe coupling member with the first coupling member including a cylindrical flange and a spherical convex seat portion, and the second coupling member including a cylindrical flange and a spherical concave seat ...	07/19/2005
6874542	Flexible hose with connect flange and method for obtaining same A flexible hose with connect flange and a method for obtaining such a hose. The flexible hose (1) whereof the elastomer wall (1a) is reinforced by at least a main carcass (2) comprises flexible cables, including at least at one of its end...	04/05/2005
6065784	Pipe joint restraint ring with multiple inside radii A backup ring for a pipe joint restraint includes a continuous one piece ring member or opposed ring segments, both including multiple inside radii to provide a portion of the ring which may be secured to a pipe fitting and a portion of the ring which is ...	05/23/2000
6050545	Bulk container valve There is disclosed herein a bulk container valve adapted for use with a bulk container having a tubular spout. The valve comprises a plastic housing having an interior chamber connecting a front port to a rear port. The housing includes a rear fitting abo...	04/18/2000
5193858	Mounted flange for pipework joints To lock a pipework joint in place, a locking device 5 rests on a flange 4 mounted on the socket end of one of the pipes. The flange has, over at least one portion of its periphery, a radial L-shaped cross-section, the concavity of the L being oriented rad...	03/16/1993
5163712	Rotatable vacuum flange A rotatable vacuum flange includes a flange ring having a recess, an insert mounted in the recess in the flange ring, the insert including a seal portion and being adapted for vacuum-tight attachment to a vacuum conduit, and a wire spring positioned betwe...	11/17/1992
5052721	Water meter service coupling A water meter service coupling facilitates removal and/or replacement of a water meter by allowing for expansion of the water service line upon disconnection of the water meter. One embodiment of the water meter service coupling includes a housing having ...	10/01/1991
5052726	Seal structures for flanges having bowed sealing surfaces A desirable seal structure for use in forming a seal around the exterior of a pipe or the like can be constructed so as to use a retainer member, a compression member, a sealing member located generally within the retainer member and generally between the...	10/01/1991
4874192	Pipe joint gland reinforcing structure An improvement to a pipe joint gland utilizes a pair of radially extending ribs formed at each boss separated at about 90° from each other and a second pair of ribs extending from the bosses along the circumference of the pipe joint gland. Each rib slope...	10/17/1989
4758028	Firewall seal A firewall seal in accordance with the present invention comprises a one-piece sheet of flexible fireproof material folded to form at least a two-ply seal component. Aligned openings are provided in each ply. At least one opening in each ply of the sheet ...	07/19/1988
4678211	Joints formed with welded flange pipes The invention provides a joint formed with a welded flange pipe wherein a spigot of one pipe, provided with a spigot flange welded thereto, is disposed in a socket of another pipe having a socket flange assembly located thereabout, the spigot flange and t...	07/07/1987
4655923	Desilter apparatus including adaptor members for accommodating connection of cyclone separators of any diameter to manifold conduits having invariant diameters An industrial desilter apparatus includes a manifold having inflow and outflow conduits of invariant diameter, a plurality of cyclone separators in communication with the manifold, and one or more adaptor members for connecting the tubular inflow and/or o...	04/07/1987
4619470	Flange connection assembly for fiber-reinforced plastic pipe members A pair of pipe members are joined together in a flange connection assembly particularly suited for fiber-reinforced plastic components, the pipe members being formed to include an inner pipe jacked consisting essentially of a thermoplastic material and an...	10/28/1986
4544188	Pipe joint glands A ductile iron molded pipe joint gland used to create an effective and lasting seal between interfitting pipe sections allows considerable deflection of the joint in any direction from the axis of the pipeline without loss of seal integrity. The interfitt...	10/01/1985
4492391	Thrust rod anchor for pipe joint restraint systems A thrust rod anchor for utilization in conjunction with a tied form of pipe joint restrainer system. The anchor utilizes spacers which are supported by flanges at their outer extremities and are bolted together over a pipe. A pipe engaging support is prov...	01/08/1985
4484771	Flange for connecting pipes A flange for connecting piping is disclosed which comprises a ring form which can be welded along its inner edge to a pipe, and a flange ring. The ring form and the flange ring are both preferably of U-shaped cross section. The flange ring has holes for t...	11/27/1984
4336416	Fire-rated feed-through fitting for transferring insulated wires through a concrete floor A fire-rated feed-through fitting for transferring insulated wires through an opening formed in a concrete floor for connection to receptacles mounted on a compartmentalized head assembly, which includes a feed-through assembly disposed in the floor openi...	06/22/1982
4321726	Cable and conduit shield Shield for cables and conduits at the point of entry into a wall structure, the shield consisting of a pair of L-shaped plate elements, each plate element having a base portion and a leg portion; the leg portion of each plate element is adapted to overlie...	03/30/1982
4170260	Exhaust pipe cooling clamp for motorcycles A finned cooling clamp for dissipating heat from motorcycle exhaust pipes is comprised of two arcuate collar segments which can be removably interlocked together around an exhaust pipe. The collar segments are interlocked together at their opposite ends b...	10/09/1979
4023836	Split flange retainer for flanged conduits A split flange retainer assembly adapted to engage the flanged head to a conduit for mounting the conduit to a bulkhead, for example for hydraulic applications, is described. A pair of the split flange retainers are adapted to interconnect about the flang...	05/17/1977

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Class 285/413 - Rings