Class 285/15 - REPAIR

Subclass of Class 285 - Pipe joints or couplings
Definition: Devices in which the device, or parts of the device, are
No. of patents: 239
Last issue date: 10/18/2011

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Number	Title	Issue Date
4330143	Apparatus for connecting together flowline end portions An apparatus for connecting first and second flowline members for fluid flow therethrough and a method of utilizing same for effectuating such a repair, with the apparatus including a first housing member adapted to be mounted with the first flowline memb...	05/18/1982
4326735	Mold useful in sealing leaks in pipes The present invention is directed to an article and processes for repairing fluid (e.g., liquid and gas) leaks in pipes, including, for example, bell and spigot joints. The device and process of the invention incorporates an elastomeric sleeve that extend...	04/27/1982
4323526	Method for sealing pipe joints A method for sealing leaking pipe joints comprises installing and securing a flexible mold around the pipe joint. The pipe joint and the mold are then preheated to within a predetermined temperature range and a chemically settable, flexible fluid sealing ...	04/06/1982
4299413	Pipe coupling A coupling assembly particularly for connecting sections of plastic pipe comprises a sleeve and a clamp assembly. The sleeve has internal seals for providing a seal between the sleeve and pipe sections inserted into the sleeve. The clamp assembly comprise...	11/10/1981
4294275	Flanged joint sealing nut The nut is for repairing leaking bolt holes in flanged pipe joints by means of a closed-end nut having a sharp circular projection on its open end. When this sealing nut is substituted for existing nuts on bolts in the flanged joint and tightened, the nut...	10/13/1981
4290632	Apparatus for connecting together flowline end portions A grip-seal apparatus for connecting together flowline end portions having first and second housings having alignable bores therethrough, with gripper member mounted in the first housing for moving radially inwardly into gripping engagement with the first...	09/22/1981
4281856	Wet-dry cementable coupling for plastic pipe A cementable coupling for plastic pipe, that may be employed whether the parts are wet or dry, including cementable fitting and sleeve members that initially provide a dry seal near the end of the pipe, permitting initial drying of the pipe upstream of th...	08/04/1981
4274640	Sealing devices A sealing device for insertion in a flanged pipe coupling comprises a split ring with an annular sealing member seated in a groove in one axially facing side of the ring. At intervals around the ring there are screws which project radially inwardly into t...	06/23/1981
4271870	Method and apparatus for blocking the flow of fluids through an elongated pipe section A method and apparatus are disclosed for blocking the flow of fluids through the interior of an elongated pipe section. The apparatus includes a pair of sectional housing members for interconnection around a flanged pipe joint to form an essentially airti...	06/09/1981
4268070	Orifice flange clamp An orifice flange clamp for use with a pair of butted together pipe line orifice flanges. The clamp is comprised of a pair of semi-circular bands adapted to be clamped together around the periphery of the butted together orifice flanges at their interface...	05/19/1981
4260181	Pipe coupling A pipe coupling useful in plumbing systems formed of unthreaded pipes for repairing damaged portions of said systems, particularly those portions occurring immediately adjacent emplaced couplings, such as an L or T coupling. A coupling in accordance with ...	04/07/1981
4258737	Liquid level controller In a tank having an internal float there is a standpipe coupled through the tank. The standpipe conducts liquid into the tank. Equipment for controlling the level of liquid in the tank includes a valve. This valve is operated by the float. A conduit depen...	03/31/1981
4240650	Leaking weld repair clamp A clamp assembly for sealing a leaking pipe weld or pipe flange joints. The clamp comprises a collar having hinged-together arcuate segments. The collar is further provided with flanges adapted to be bolted together to connect the hinged segments which ma...	12/23/1980
4235259	Fitting replacement method A method and article for replacing a fitting included in a fluid system comprised of plastic conduit lengths and fittings with the ends of the conduit lengths received in and cemented to associated fitting branches. When a leak is detected in a fitting or...	11/25/1980
4230348	Apparatus for sealing flange joints In one exemplar embodiment, an injection ring is provided that fits tightly between a flange face and a locking nut. The ID of the ring is larger than the OD of a slotted flange stud for creating an annular space about the stud communicating with the slot...	10/28/1980
4209190	Coupling device An adjustable coupling device is provided which can be secured to each of two sections of conduit, such as two hoses or pipes, by hand, without the need for employing tools. The coupling device comprises a socket member and a plug member which are adapted...	06/24/1980
4209029	Method of and apparatus for sealing a leak in a pipeline A method of and apparatus for sealing a leak in a pipeline wherein a leak repair clamp is provided for originally sealing the leak. The clamp includes a body forming a cavity between the pipeline and body for receiving sealant and a passageway through the...	06/24/1980
4188836	Repair part and method for repairing transmission detent cable A transmission detent cable having a damaged end fitting is repaired using the repair part and method of this invention, which involves replacement of only the damaged end portion of the cable so as to thereby facilitate reuse of the otherwise serviceable...	02/19/1980
4186475	Method and means for rapid replacement of damaged pipe sections Method and means of rapidly repairing damaged portions of conduits and pipes which are difficult or impossible to weld, whereby in the vicinity of the pipes to be maintained prepared replacement pipe sections are stored each together with two associated q...	02/05/1980
4182189	Method and means for attaining a predetermined compressive stress A method for attaining a predetermined compressive stress is achieved by a device in the form of a washer, coating, or plug which as a function of pressure does not yield significantly, but when a predetermined pressure is reached, a sudden change in stru...	01/08/1980
4171142	Leak repair clamp A leak repair clamp for pipe and pipe flanges includes a frame having a plurality of segments positionable in end-to-end relation around the pipe. Each segment includes spaced parallel annular lips flaring from its inner periphery with each lip being an i...	10/16/1979
4166479	Blind liner for service pipes An insertable plastic pipe liner and a blind locking service head including a means for installing the same in a damaged service pipe without removal or replacement thereof. The blind locking service head includes a pair of independent sealing gaskets arr...	09/04/1979
4165080	Packing sealer plug A packing sealer plug for use with valve flanges or the like. The packing sealer plug is adapted to be used in tapped openings leading to the interface between the valve flanges or other types of fittings in which packing is to be introduced by a high pre...	08/21/1979
4155572	Nipple structure for piping installations A nipple which may be inserted into one pipe for attaching another pipe intermediate ends of the one pipe. A shield extends about the nipple and conforms to the outside of the one pipe to aid in adhesively sealing the nipple thereto....	05/22/1979
4142739	Pipe connector apparatus having gripping and sealing means Apparatus for connecting a cylindrical first member to a second member which may comprise: a tubular body attachable to the second member and adapted to receive one end of the first member; a gripping assembly carried by the body and movable from a radial...	03/06/1979
4133351	Method and apparatus for sealing a pipeline leak In one exemplar embodiment, a method and apparatus are provided for sealing leaks which occur at the flanged connections of pipelines wherein a wire is wrapped about the upper surface of the flange connecting bolts for filling the gap between the flanges ...	01/09/1979
4109694	Clamp repair unit A unitary clamp repair unit for use about a cast boss which suitably engages about the boss and retains a fastener thereto....	08/29/1978
4108475	Coupling device An adjustable coupling device is provided which can be secured to each of two sections of conduit, such as two hoses or pipes, by hand, without the need for employing tools. The coupling device comprises a socket member and a plug member which are adapted...	08/22/1978
4086934	Pipeline weld repair cap A pipeline repair device is held in place against a pipeline while it is being welded. The device features an elongated body having a bottom surface provided with a recess to present a footprint surface which circumscribes the pipeline defect. The recess ...	05/02/1978
4054978	Method for repair of valves A valve bonnet structure has an inner ring spaced slightly from the inner surface of the bonnet structure and secured along its lower edge portion to the bonnet. An angle-shaped member having a downturned leg lapping the ring is secured to the inner surfa...	10/25/1977
4053176	Collar for sealing pipe joints This invention pertains to equipment for sealing pipe joints and particularly a collar for sealing a leaking underground gas main with an absolute minimum of excavation. The procedure as currently practiced for accomplishing this result includes the insta...	10/11/1977
4049296	Leak repair clamp In one exemplar embodiment, a leak repair clamp for pipe and pipe flanges, valve bonnet flanges and the like is disclosed having a divided clamp frame positionable about the pipe or pipe flange. The divided clamp frame has a pair of spaced parallel channe...	09/20/1977
4049480	Method and apparatus for forming a joint in a confined space between two abutting ends of conduit liners Disclosed is a method and apparatus for forming a joint in a confined space between two abutting ends of conduit liners. In the method, an excavation is formed to provide access to a buried conduit. Thereafter, the conduit is opened and cleaned of debris ...	09/20/1977
4049941	Method of repairing welded pipe sections Welding connector comprising a housing, means for accommodating an electrode, an insulating cone for fitting within a conical passage, and magnetic means for securely fitting such cone to such passage. Method of passing electrical current from outside a m...	09/20/1977
4038737	Method of replacing plumbing A method and apparatus for installing or replacing pipe which extends between a toilet and a ferrule structure projecting from a soil stack (or other points in a sewage system) does not require replacing the caulked oakum and lead (Pb) joint which seals t...	08/02/1977
3962767	Method for repairing a heat exchanger tube A method of repairing a tube in a heat exchanger by severing the tube and welding a sleeve inside the tube....	06/15/1976
3944260	Pipe repair fittings Repair fittings are provided sealing ruptures or leaks in existing piping systems. The fittings are economical to produce and can be simply installed to provide effective and reliable leak protection. The fittings are of the gasket type and include a pair...	03/16/1976
3933519	Sub-sea pipe cleaning apparatus and method Apparatus and method for cleaning the exterior surface of a pipe such as a pipe located in a sub-sea location having a coating of concrete or the like thereabout. The apparatus includes a generally longitudinal frame which supports a carriage for longitud...	01/20/1976

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Class 285/15 - REPAIR