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Pipes and tubular conduits January recently filed with US Patent Office 01/10

20100018598 - Conduit repair structure: A conduit repair structure in which solid objects are less likely to accumulate on a conduit bottom and that, even if solid objects accumulate on the conduit bottom, facilitates removal of the solid objects. A hollow frame-like reinforcement body laid substantially along a cross-sectional shape of a conduit (1) is... Agent: Edwards Angell Palmer & Dodge LLP

20100018599 - Double wall duct system: The invention relates to a double wall duct system (1) suitable for carrying fluids to at least other system comprising an internal duct (3) for conveying the fluid and an external duct (2) for conveying a potential leakage in the system (1), the double wall duct system (1) also comprising... Agent: Ladas & Parry LLP

20100018600 - High temperature-resistant hose: An automotive vehicle vacuum brake hose that resists degradation when exposed to elevated temperatures up to about 175° C. for prolonged periods of time, the automotive vehicle vacuum brake hose comprising; an inner tubular member having an elastomeric matrix selected from the group consisting of acrylic elastomer and ethylene-vinyl acetate... Agent: Marshall & Melhorn, LLC

20100018601 - Composite insulation structure for the insulation of the interior surface of annular ducts: A flexible, composite duct insulation structure includes a first layer forming an insulation layer, and a second layer forming a structural support layer. The first layer is adhered to the second layer by an adhesive. The composite duct insulation structure has sufficient strength and radially outward-directed spring force of the... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20100012212 - Apparatus for pressure testing a plumbing installation: An apparatus for pressure testing a plumbing installation includes a flexible cylindrical body having a peripheral sidewall, a closed end and an open end. A positioning flange extends outwardly from the peripheral sidewall at the open end to facilitate positioning cylindrical body with an end of a pipe into which... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20100012211 - Tear out test plug for plumbing installations: A tear out test plug for plumbing installations includes a cylindrical body having a peripheral sidewall, a closed end and an open end. A positioning flange extends outwardly from the peripheral sidewall at the open end. An end wall closes the closed end. A frangible strip extends from the open... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20100012213 - Rehabilitating pipe segment and existing pipe rehabilitation method using same: The second segment half has an internal surface plate, an internal plate extending parallel to the internal surface plate and forming a concavity, and a side plate extending perpendicular to the internal surface plate. The convex plate and a braking rubber are fitted into the concavity so as to link... Agent: Bruce L. Adams, Esq. Adams & Wilks

20100012214 - Pipe lining material and method for manufacturing same: A pipe lining material comprising an inner lining material and an outer lining material is used to rehabilitate an aged existing pipe. The inner lining material and the outer lining material are made of a tubular resin-absorbent material that is impregnated with a photo-curing resin and a thermosetting resin. The... Agent: Bruce L. Adams, Esq. Adams & Wilks

20100012215 - Composite load transferring technique: A method for repairing and reinforcing a pipeline includes covering a defect in a pipeline section with a composite wrap, isolating the wrap from the ambient environment, and applying a compressive force on the wrap so that the pressure on the wrap is substantially equal to the pipeline pressure. Isolating... Agent: Gable & Gotwals

20100012216 - Method and apparatus for making irregularly textured hose: Stamping, embossing, imprinting and casting methods and apparatus for manufacturing a garden hose having an outer surface including a plurality of irregularly textured areas extending radially from that surface so that frictional engagement with the surface is increased and the surface is physically camouflaged to be vine-like in appearance.... Agent: Quarles & Brady LLP

20100012217 - Embedded metallic tubes with compression fit and method for manufacturing the same: A metallic tube, including a first cylindrical member, which is formed from a flat metal strip, and a second cylindrical member, which is formed from a flat metal strip, wherein the first cylindrical member is embedded within the second cylindrical member.... Agent: Sughrue Mion, PLLC

20100006170 - Fastener for removable securement of a conduit body cover: The conduit body assembly includes a metallic conduit body having an open upper end and a metallic cover removably positionable over the upper end. A metallic threaded fastener secures the cover to the body. The metallic fastener includes a threaded post and a nut removably attached to one end of... Agent: Hoffmann & Baron, LLP

20100006171 - Fluid conveying conduit: A fluid-containing conduit (10,30,40,50) including at least one luminescent marker (14) whereby the fluid-containing conduit is visible in a low light condition. The marker may be in the form of one or more elongate ribs (16) containing luminescent material along interior wall surface (18), or may be elongate luminescent bands... Agent: Fox Rothschild LLP Blue Bell

20100006172 - Internal diameter coatings for fire protection piping: The present invention relates to in-line coating of a continuously moving substrate, such as a tube or conduit, preferably of the type used for applications such as fire sprinkler piping. The present invention includes a fire sprinkler pipe defining an interior wall surface surrounding an internal pathway. The interior surface... Agent: Tyco International Management Corp.

20100000621 - Method for repairing flexible tube: Around a damaged area of a jacket of a flexible tube, a top coat layer whose adhesion to a polymer layer is weak is peeled off with an adhesive tape. The damaged area and its immediate surrounding area are sanded, and then wiped with ethanol for cleaning. A main agent... Agent: Mcginn Intellectual Property Law Group, PLLC

20100000622 - Fastening of pipes: A plastics pipe provided with engageable fastener elements on an outer surface thereof, a method for manufacturing the pipe, and a fastener system comprising inter-engageable fastener elements on an outer surface of a pipe and a support therefore.... Agent: Knobbe Martens Olson & Bear LLP