Class 285/148.11 - Diverse materials

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter including means to unite tubes made of distinctly
No. of patents: 27
Last issue date: 12/02/2008

Number	Title	Issue Date
7458613	Rotatable fire sprinkler fitting A fire sprinkler fitting has a cylindrical body and an insert. The insert has an inner end which is disposed within a proximal portion of the bore, such that the outer end protrudes beyond the open bore end by a distance D. The outer end has internal threads which a...	12/02/2008
7234732	Pipe coupling for joining pipes of varying diameters A pipe coupling for joining a first pipe to pipes of varying diameters includes first and second hollow fittings which are secured together in end-to-end relationship by a crimping process to rigidly hold the fitting members together to form a continuous fluid passa...	06/26/2007
7223456	Flexible laminated plastic pipe having a chlorinated poly(vinyl chloride) hollow core A multi-layered pipe of arbitrary length and cross-section is produced by co-extrusion of a segmented thermoplastic copolyester elastomer (COPE) outer body over the exterior surface of an annular tubular core of CPVC/PVC having a wall thickness, measured in the radi...	05/29/2007
7198459	Casing arrangement for a turbocharger of an internal combustion engine A casing assembly for a turbocharger of an internal combustion engine includes a rotor casing having an intake duct and an exhaust flow passage which is connected to an exhaust flange and constructed for attachment to the rotor casing such as to allow a relative mov...	04/03/2007
7178557	CPVC drain waste and vent fittings A drain, waste and vent (“DWV”) fitting is made from chlorinated polyvinyl chloride. ...	02/20/2007
7013500	Strainer A strainer includes a water collector on an upper side, and a tube coupled on the bottom of the water collector. The tube has flutes formed on the inner wall. An extendable rod is housed in the tube and has lugs on the periphery to slide in the flutes. A latch membe...	03/21/2006
6948717	Joint assembly employing multi-ring gasket A multi-ring gasket (140) is for sealing the joint between two flanged general non-metallic pipes. In one embodiment, the gasket has an inner ring (72) an outer ring (132) and a plurality of spokes (77) connecting the inner ring (72	09/27/2005
6935377	High-pressure fuel injection pipe having connecting head A high-pressure fuel injection pipe has a connecting head with an outer circumference formed for a mating seat portion. A shallow annular groove is formed in the inner side of the connecting head while shaping the head. A connecting washer is fit on the outer circum...	08/30/2005
6764104	Line connector, in particular for fuel lines A line connector (1) for pipelines and/or hose lines, in particular fuel lines, comprising a connecting body (2) together with at least one line-connecting element (4). The or each line-connecting element (4) is connected to the connectin...	07/20/2004
5864938	Assembly of semi-disposable ventilator breathing circuit tubing with releasable coupling A method for coupling ventilator breathing circuit tubing to a respiratory ventilator using a compression coupler. The tubing has a corrugated or ribbed portion and a non-corrugated cuff. The cuff is inserted into the coupler, which is in turn coupled to ...	02/02/1999
5653477	High pressure access fitting and method A high pressure access fitting for a vessel, pipe or like structure includes a body of a material which is weld compatible with the vessel so the fitting may be welded to the wall of the vessel. The fitting includes an internally threaded section made of ...	08/05/1997
5516159	Quartz pipe joint A quartz pipe joint of the present invention can be used in a connection of, for example, a quartz pipe and a quartz pipe, or a quartz pipe 7 and a synthetic resin tube. The quartz pipe joint A has a joint body having a tapered pressing face a cylindrical...	05/14/1996
5429183	Plate-type heat exchanger and method of producing the same To eliminate a fear of electrolytic corrosion even in the case where a heat exchanger to be connected to the outside of the plate-type heat exchanger has a copper piping, and to prevent any damage from being given to the brazed portions of the plate-type ...	07/04/1995
5366257	Pipe connector An improved connecting device for of securing a pipe fitting of one material to a pipe of another. This invention provides a connector body with an insert fitting which does not leak therebetween. Further, the invented device has an integral annular flang...	11/22/1994
5072972	Coupling device A coupling device which, as a coupler, provides the necessary strength for coupling deep trench installations of corrugated polyethylene drainage pipes without hanging up during feeding through a trenching tool and also allows the joining of the corrugate...	12/17/1991
4702406	Forming stable welded joints between dissimilar metals A method of forming a stable welded joint between low alloy steels and austenitic stainless alloy steels which is characterized by increased resistance to chemical corrosion and mechanical stress and which has a greatly extended service lifetime. The meth...	10/27/1987
4660864	Sealing adapter for pipe for differing material A sealing adapter hoop (6) designed to be sealingly slip fitted over conduits of differing structure (2,4) including chamferred ends (14,22), a smooth surface (20) to interact with a captured O-ring (30) and a groove (16) to accept a second O-ring (18)....	04/28/1987
4630846	Pipe joint A pipe joint wherein an annular connecting resin body in contact and engagement with the outer periphery of one end of at least one pipe is used for connecting the end of the pipe to one end of another pipe. The joint comprises a device for reinforcing th...	12/23/1986
4626001	Fluid fitting with high temperature capabilities This invention provides a fluid fitting made up of telescoping sleeves providing an annular space therebetween adapted to receive the end of a tube. The outer sleeve is attached to the inner sleeve by being deflected around annular ridges at one end of th...	12/02/1986
4610466	Convertible flare/braze fitting A convertible fitting capable of selectively achieving a brazed, soldered or flared connection to a conduit. The fitting includes an interior passage and an exterior thread. The passage receives smooth wall conduit, such as tubing, for a braze or soldered...	09/09/1986
4538837	Anti-corrosion pipe apparatus An aluminum alloy pipe having a non-corrosible lining coating the interior surface thereof, and an annular sleeve formed of non-corrosible material to fit over and grip an end of the pipe, this sleeve being shaped to cover the end of the material forming ...	09/03/1985
4368448	Water cooling apparatus for electric circuit elements A water cooling apparatus for an electric circuit element is disclosed in which an internal waterway is connected with an external waterway by a connector with the whole body, the forward end or the inside part of the forward end thereof alone made of an ...	01/11/1983
4366971	Corrosion resistant tube assembly A corrosion resistant tube assembly is disclosed comprising a corrosion susceptible metal tubing having an outside surface, an inside surface and end surfaces. Peripheral end portions of the tubing are provided with an overlay of corrosion resistant metal...	01/04/1983
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
4214358	Method of assembly of two metallic parts A first part formed of hard metal to be joined to a second part of soft or malleable metal has an end portion of reduced diameter which is machined in the junction zone between the normal portion and the end portion of the first part in such a manner that...	07/29/1980
4167351	Metal-to-ceramic seals For sealing metal annular elements on to a cylindrical ceramic member, e.g. a ceramic electrolyte tube in a sodium-sulphur cell without causing excessive hoop stress in the ceramic, the ceramic tube is formed with tapered inner and outer surfaces at one e...	09/11/1979
4010965	Pipe joint for connecting different kinds of metallic pipes A pipe joint for connecting an aluminum pipe to a stainless steel pipe, where the joint consists of washer layers of aluminum, titanium, nickel and stainless steel in this order, each being tightly bonded and integrated in the axial direction of the pipe ...	03/08/1977

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Class 285/148.11 - Diverse materials