Class 285/296.1 - Sprue

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter including an aperture or sprue for pouring
No. of patents: 38
Last issue date: 05/08/2012

Number	Title	Issue Date
8172275	Composite polymeric transition pipe fitting for joining polymeric and metallic pipes A pipe fitting includes a main polymeric body and a secondary polymeric body, of a different polymeric material, molded into and fixedly connected to the main body, so that the main body extends around the polymeric body. The secondary polymeric body extends around ...	05/08/2012
8007012	Coupling Coupling, comprising a first part (1) in the form of a male part and a second part (2) in the form of a female part, the male part can be brought into the female part and thereby form a ring shaped void (3) between the facing surfaces of male an...	08/30/2011
7988204	Pipe fitting for connecting between a metal piece of plumbing and a polymer piece of plumbing A pipe fitting includes a polymeric body molded into and fixedly connected to a metallic body, so that the metallic body extends around the polymeric body. The polymeric body extends around and is contiguous with a passageway of the pipe fitting, and at least partia...	08/02/2011
7527302	Pipe fitting and associated methods and apparatus A pipe fitting includes a polymeric body molded into and fixedly connected to a metallic body, so that the metallic body extends around the polymeric body. The polymeric body extends around and is contiguous with a passageway of the pipe fitting, and at least partia...	05/05/2009
7360552	Injectable structural adhesive Injectable structural adhesives, methods of using the same, and products formed therewith, are described. The adhesive is introduced through a first opening into an internal cavity formed between two or more components. The adhesive is then permitted or forced to fl...	04/22/2008
7341285	Chemical fusion of non-metallic pipe joints A pipe joint for joining pipes having a low surface energy and resistance to solvents. The components are an extrudable adhesive; a first pipe having a socket with an inside diameter, where the socket has a mouth, a self-centering bottom, and a cylindrical wall with...	03/11/2008
7234731	Gas feed pipe connecting screw for continuous casting nozzle A gas feed pipe connecting screw for a continuous casting nozzle which is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit concentric with a nozzle bore. The screw connects the nozzle to a gas feed pipe for blowing a gas int...	06/26/2007
7014219	Pipe joint and method of producing a pipe joint A pipe joint includes at least a first and a second pipe. A section of the first pipe is opened out and a further section of the second pipe is inserted into the section, so that both pipes overlap in an overlap region. A gap is formed between the section and the fu...	03/21/2006
6920900	Sewer pipe section A pipe section for lining sewer pipelines along with a system of such pipe sections and method of lining a sewer pipeline are provided. The pipe section has a first end portion having a spigot. A protective ring is mounted around the spigot for transferring a load t...	07/26/2005
6569493	Method of repairing a paper machine dryer journal moisture barrier This invention relates to a method of repairing a moisture barrier separating a paper machine dryer drum from the dryer journal. Such processes of this type, generally, involve filling the cavity between the dryer drum steam intake pipe and the dryer jour...	05/27/2003
6305719	Pipe repair clamp A clamp for repairing a damaged pipe member. Shell members are matingly engaged around the damaged pipe member. Segmented inserts are received in a complementary annular channel formed in an inside face of the shell members to form a ring assembly support...	10/23/2001
5868437	Composite pipe structure A pipeline is made by joining a number of pipe sections, each of which includes an inner pipe structure and an outer pipe structure. The outer pipe structure, which may be zinc plated or encased in an protective elastomeric material, includes mating coupl...	02/09/1999
5685577	Permanent fitting for fluid-tight connections A pipe connector has a coupling with a first cylindrical land, a second cylindrical land, and a third cylindrical land. There is a first annular recess defined between the first cylindrical land and the second cylindrical land, and a second annular recess...	11/11/1997
5520422	High-pressure fiber reinforced composite pipe joint A pipe joint for fiber reinforced composite pipe has internal and external matching tapers with a low taper angle. A half round helical groove is formed in each of the internal and external tapers for receiving several turns of a ductile key. Deformation ...	05/28/1996
5449207	Pipe coupling A coupling apparatus and method is disclosed for coupling a first hose having groove means formed in the outer hose surface of the first hose to a first coupling member. The apparatus and method comprises an internal bore extending through the first coupl...	09/12/1995
5411297	Conduit mounting system A quick connector assembly has a male fitting and a female fitting. The female fitting includes a conduit having a brazed eyelet which couples with a projection member including O rings on the male fitting to seal the male fitting with the female fitting....	05/02/1995
5403045	Joint connection To improve a joint connection comprising a first part and a second part which are fixed relative to one another by positive connection in a direction of load such that essentially no lumped loads occur, it is proposed that the first part and the second pa...	04/04/1995
5033776	Component coupling apparatus A coupling apparatus and method is disclosed for coupling a first hose for enabling the flow of a fluid therethrough, comprising a first coupling member having a first coupling internal bore extending between an inner end and an outer end. First coupling ...	07/23/1991
4988128	Coupling for a shaft having a reinforcement framework The invention provides a coupling and a method of manufacturing such a coupling for a shaft having at least one free traction resistant reinforcement framework, said drawn, wedge or plugged coupling including, in the immediate vicinity of the anchorage me...	01/29/1991
4950000	Flanged pipeline connections A system for sealing leaks of flanged pipe couplings comprises providing a peripheral space between faces of the flanges and in the region of that space a loose ring in facing annular grooves of the flange faces. Should a leak occur between the flanges of...	08/21/1990
4927999	Apparatus for fusion joining plastic pipe Apparatus for fusion joining first and second axially abutted thermo-plastic piping system component connection ends that are in axial and circumferential alignment including apparatus for enabling the heating of a melt region in the proximity of the inte...	05/22/1990
4830409	Composite pipe coupling A pipe end fitting or coupling including an elongated tubular body having a bore at its first end and a counterbore at its second end with the counterbore being formed as a plurality of frusto-conical grooves and with each of the grooves converging toward...	05/16/1989
4804209	Plummer's union An adjustable telescoping union for repairing or connecting two ends of PVC pipe which cannot be manipulated lengthwise is provided in a two piece telescoping coupler. An internally lipped tubular housing having a retained sleeve sized to standard PVC pip...	02/14/1989
4718701	Pipe coupling apparatus with split ring and clamps An apparatus for locking the male spigot end 2 of one pipe within the female bell housing 1 of another pipe includes a split ring 6 inserted under a radial flange 12 of the housing and a pair of clamps 16 having lugs 19 engaging mating notches 18 in the e...	01/12/1988
4666191	High pressure hose and coupling A reinforced hose and coupling assembly is disclosed that will withstand very high pressures without bursting. A modified seal ring eliminates shear planes in the wire reinforcement near the fitting end of the coupling and thereby reduces the possibility ...	05/19/1987
4647080	Pipe joint Joint for telescoping pipe sections including aligned recesses in both sections, sealing gaskets spaced apart from both edges of the recesses and compressed against both pipe sections, and solidifiable grout filling the recesses and all space between the ...	03/03/1987
4603891	Hose midway holder Herein disclosed is a hose midway holder which is formed into such a cylindrical shape as to be fixedly mounted on a hose. The hose midway holder comprises a flanged portion formed on the outer circumference thereof for being brought into abutment against...	08/05/1986
4431198	Device for conduit seal and repair A device for conduit sealing and repair is taught. Briefly stated, a cable or conduit is passed through an opening in a foundation or bulk head enclosure. A substantially cylindrical collar which is longitudinally split into two portions is placed onto th...	02/14/1984
4381114	Packoff and seal ring assembly with injected plastic packing A packoff for sealing between an external cylindrical surface and a member therearound having a resilient ring, metal seal rings on the end surfaces of the resilient ring, the exterior of the resilient ring being concave to provide an annular recess, mean...	04/26/1983
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
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
4143892	Hose coupling A reinforced hose and coupling assembly is disclosed having an outer coupling body sleeve which flares outwardly toward to the fitting end of the coupling, with metal ply reinforcement nonuniformly distributed adjacent the coupling sleeve and being embedd...	03/13/1979
4033612	Armored flexible pipe equipped with a rigid coupling The invention provides a process for securing a rigid coupling member to one end of a flexible pipe which comprises an armouring formed by a metal strip wound with a short pitch around a tubular core. According to this process this armouring is cut out along a...	07/05/1977
4027904	Device for a tensile locking of pipe elements A coupling in which a male end of a pipe element is inserted in the socket of a second pipe element and the axes of the pipe elements may have an angular deviation therebetween. An abutment projection on the male end is axially supported by an inner shoul...	06/07/1977
3999786	Joint between two members To form a joint between members, a projection of at least one member is introduced into a bore of another member and is held therein by particulate material, which has been filled into the space provided between the interextending portions of the members ...	12/28/1976
3960394	Pipe union A pair of pipes have respective end portions one of which is received within the other and defines therewith an annular clearance. Two axially spaced sealing elements are sealingly accommodated in the clearance, and an opening in the outer one of the end ...	06/01/1976
3950017	Leakproof connection for polyethylene tubing The achievement of a leak-free connection between polyethylene tubing and metal tubing by inserting the metal tube into the end of the polyethylene tube which has a plurality of radial holes adjacent its end and casting a polyurethane block about the tube...	04/13/1976
3949461	Methods for joining insulated pipe lengths A method of providing insulated joints between consecutive lengths of insulated pipes each consisting of at least one fluid conducting pipe surrounded by a layer of heat insulating material and an outer protective tube from which the ends of the conductor...	04/13/1976

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Class 285/296.1 - Sprue