Distinct Layers Patents (Class 138/124)
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Patent number: 8746289Abstract: A spoolable pipe is disclosed, the spoolable pipe having an internal pressure barrier formed about a longitudinal axis, a reinforcing layer(s) enclosing the internal pressure barrier, and a weight layer comprising fibers. The pipe can also include an energy conductor(s) integrated with and/or located between the internal pressure barrier and/or the reinforcing layer(s).Type: GrantFiled: February 12, 2008Date of Patent: June 10, 2014Assignee: Fiberspar CorporationInventors: Peter A. Quigley, Michael Feechan
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Patent number: 8714203Abstract: A high pressure hose and method of manufacturing the hose is disclosed. The hose is comprised of an elastomer, thermoset rubber inner tube, reinforced with one or more layers of braided or spiralized high tensile strength wire or high tenacity textile yarn and covered with a highly flexible thermoplastic sheath.Type: GrantFiled: August 20, 2010Date of Patent: May 6, 2014Assignee: Schieffer Co. International L.C.Inventor: Jeffrey D. Theis
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Publication number: 20140110013Abstract: A flexible hose structure includes at least one inner tubular layer of a first polymeric material defining a longitudinal axis, at least one meshed intermediate reinforcement layer arranged on the inner layer and having at least one first series of yarns defining first chained wales and first courses arranged according to a helical progression with a first pitch of predetermined length, and at least one second series of yarns defining second chained wales and second courses arranged according to a helical progression with a second pitch of predetermined length. The first pitch is a multiple of the second pitch, and the first wales (and the second wales are mutually interlaced with respective meshes not in a chain to exert an independent resistance to radial expansion on the inner layer.Type: ApplicationFiled: July 18, 2011Publication date: April 24, 2014Applicant: FITT S.p.A.Inventors: Alessandro Mezzalira, Gianni Nelti
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Patent number: 8678036Abstract: A sealing tube for the internal lining of fluid lines, in particular waste water lines, includes at least one tubular fabric ply, which is impregnated or saturated with a synthetic resin having a preferably gel-like or concentrated consistency. The weft bands or threads, which run in the circumferential direction, are formed by glass fibers or threads, in particular only by glass fibers or threads. The warp bands or threads, which run in the longitudinal direction of the sealing tube, are formed by, if necessary elastically stretchable, glass threads and/or rubber threads and/or plastics threads.Type: GrantFiled: April 30, 2010Date of Patent: March 25, 2014Inventor: Johann Kübel
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Patent number: 8672240Abstract: An irrigation pipe with holes is provided. The pipe is, at least in the area of each hole, multilayered. At least top and bottom layers of the pipe are made of a water-repellant material, and an inner layer of the pipe is made of a porous material. The hole is defined by a cut surface of the pipe wall. The cut surface comprises a seal, which covers at least the inner layer. Each layer may be bonded to adjacent layers.Type: GrantFiled: September 7, 2005Date of Patent: March 18, 2014Assignee: Netafim, Ltd.Inventors: Abed Masarwa, Avi Schweitzer
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Patent number: 8651327Abstract: A system for storing biopharmaceutical materials includes a plurality of flexible walls bounding an interior for holding biopharmaceutical materials therein. At least one port is connected to a first wall of the walls and provides fluid communication between the interior and an exterior to allow a draining of the interior. A collapsible conduit includes a plurality of perforations along the conduit. The plurality of perforations is configured to allow flow of the biopharmaceutical materials from the exterior to the interior of the conduit. The conduit has a cross-sectional area transverse to a length of the conduit and the conduit extends from one of the at least one port toward an opposite end of the interior. The conduit is collapsible by the flexible walls and forms a reduced cross-sectional area to allow a flow of the biopharmaceutical materials through and/or along the conduit to the port.Type: GrantFiled: February 9, 2011Date of Patent: February 18, 2014Assignee: Sartorius Stedim North America Inc.Inventors: Jonathan Cutting, Oscar Werner Reif
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Patent number: 8616243Abstract: A method for repairing a conduit using a tube-shaped liner comprising a single layer of resin-absorbent fabric having a polymeric coating attached to an outer wall of the tube and a reinforcing layer connected to an inner surface of the tube. The liner is impregnated with a resinous material capable of curing and hardening and inverted under pressure into the conduit to be repaired such that the reinforcing layer is pressed against the interior of the conduit. The resinous material is allowed to cure and harden, creating a lining to the conduit. The single layer of fabric may be a non-woven material, such as a felt. The conduit to be lined may be a sewer pipe, and the reinforcing material may be a woven scrim. The woven scrim may be capable of preventing longitudinal stretch of the liner tube while allowing radial stretch.Type: GrantFiled: September 30, 2011Date of Patent: December 31, 2013Assignee: LMK Technologies, LLCInventor: Larry W. Kiest, Jr.
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Patent number: 8590575Abstract: Stretch-resistant liners for lining pipes, pipes lined with stretch-resistant liners, and methods for lining pipes with stretch-resistant liners. The liners are made from a lamination that includes a sealing layer, a strength layer of stretch-resistant woven material that overlies the sealing layer, a support layer of non-woven resin-impregnated material that overlies the strength layer, and a barrier layer that overlies the support layer. The lamination is rolled into a tube and inverted when inserted into a pipe so that the barrier layer is the layer that abuts the interior wall of the pipe, the support layer underlies the barrier layer, the strength layer underlies the support layer and the sealing layer underlies the strength layer is contacted by materials flowing through the pipe.Type: GrantFiled: December 18, 2009Date of Patent: November 26, 2013Assignee: Perma-Liner Industries, LLCInventor: Gerald Scott D'Hulster
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Publication number: 20130269818Abstract: A conduit for conveying a flowable material. The conduit has an elongate body made from a non-metallic material. The body has a lengthwise central axis, spaced ends, an inside surface bounding a passageway for communication of a flowable material between the elongate body ends, and an outside. At least one grounding component is embedded in the body to dissipate static electricity generated by conveyance of flowable material through the passageway.Type: ApplicationFiled: April 16, 2012Publication date: October 17, 2013Inventor: Hitoya Kodama
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Patent number: 8479775Abstract: Push-on hose construction for a self-gripping connection with a barbed nipple or other push in fitting end. The hose has an innermost core tube which exhibits a reduced coefficient of friction for easier insertion of the fitting end. Such core tube may be extruded or otherwise formed of thermoplastic polyurethane or other resin which is dulled or otherwise incompatibilized by the addition of an immiscible such as nonpolar polyolefin homopolymer, copolymer, or mixture thereof.Type: GrantFiled: September 1, 2004Date of Patent: July 9, 2013Assignee: Parker-Hannifin CorporationInventors: Michael R. Swails, William C. Fisher, Albert S. Balko, Ronald W. Duescher
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Publication number: 20130112306Abstract: Disclosed is a pipeline regeneration pipe with which necessary strength can be ensured by means of the inserted regeneration pipe itself without the necessity of grouting, the regeneration pipe being characterized by being configured of an inner wound flexible resin layer 5d which constitutes the inner layer of a straight pipe part 5b, an outer wound flexible resin layer 5e laminated on the outer surface of the inner wound flexible resin layer and constitutes the outer layer of the straight pipe part, and a protruded rim part 5c helically formed on the outer surface of the outer wound flexible resin layer, the protruded rim part 5c being configured by a rigid-resin core 5g helically wound, and a core-covering part 5f integrated with the outer wound flexible resin layer so as to surround the rigid-resin core.Type: ApplicationFiled: October 1, 2010Publication date: May 9, 2013Inventor: Shigeki Kanao
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Patent number: 8430132Abstract: A preconditioned air hose includes an abrasion-resistant external layer made of robust nylon, an insulating layer, and an inner layer. The robust external layer protects the air hose from wear and degradation due to abrasion. The external layer may be made of a fabric with an abrasion resistance of at least 22,000 cycles to failure as measured using the ASTM D 3884 standard. This external layer fabric may be composed of filaments having a linear density of about 1,000 denier. The external layer fabric may weigh about 10.8 ounces per square yard.Type: GrantFiled: May 13, 2011Date of Patent: April 30, 2013Assignee: Hobart Brothers CompanyInventors: Scott Takayuki Koizumi, Brian Michael Piety, William Taylor O'Connor
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Patent number: 8356636Abstract: A hose comprising a tubular body of flexible material arranged between an inner and an outer helically wound wire, the tubular body serving to transport fluid through the hose and to prevent fluid leakage through the body, the tubular body comprising a reinforcing layer and a sealing layer, wherein the hose further comprises axial strengthening strips extending along the length of the hose.Type: GrantFiled: June 29, 2007Date of Patent: January 22, 2013Assignee: BHP Billiton Petroleum Pty Ltd.Inventors: Joel Aron Witz, David Cox, Gerard Anthony Hall
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Publication number: 20120247601Abstract: The present disclosure pertains to a hose having an internal layer made of material that limits radial expansion and retains flexibility, an external layer, a gap between the exterior surface of the internal layer and the interior surface of the external layer, a valve member, and a device member, where the hose retains flexibility upon the application of a radial force to the internal layer.Type: ApplicationFiled: December 16, 2011Publication date: October 4, 2012Inventor: Glenn Allen Ayers
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Patent number: 8241719Abstract: The invention relates to an aluminum alloy product containing, in wt. %: Si 0.2 to 1.4; Fe+Mn 1.1 to 1.8; Cu 0.15 to 0.5; Mg<0.2; Ti<0.2; Zn<1.5; impurities<0.05 each, <0.2 total, balance aluminum. This aluminum alloy product has high resistance to internal pressure when used as core layer for welded multilayer tubing. The invention relates also to a method of manufacturing such alloy product, and the use of such alloy in welded multilayer tubes.Type: GrantFiled: November 13, 2007Date of Patent: August 14, 2012Assignee: Aleris Aluminum Duffell BVBAInventors: Ria Van Den Broeck, Michel Vanden Eynde, Arthur Speelman
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Patent number: 8227061Abstract: A heat resistant air hose which is excellent in oil-bleeding resistance and causes reduced vibration noise is provided. The heat resistant air hose has an inner layer formed of an inner layer material comprising silicone rubber as a major component thereof; and an outer layer provided on an outer periphery of the inner layer and formed of an outer layer material comprising acrylic rubber as a major component thereof, and the acrylic rubber contains not less than 50 wt % of ethyl acrylate and has a dissipation factor (tan ?) of not less than 0.09 at 150 ° C. and a storage elastic modulus (E?) of not less than 7.0 MPa.Type: GrantFiled: March 22, 2007Date of Patent: July 24, 2012Assignee: Tokai Rubber Industries, Ltd.Inventors: Masashi Noda, Kazutaka Katayama, Hiroyoshi Mori, Yoshiki Kodaka
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Publication number: 20120090720Abstract: The present invention is based on the unexpected discovery that the fluid resistance of hoses can be greatly enhanced by adding a chlorinated paraffin to a chlorinated polyethylene elastomer or a chlorosulfonated polyethylene elastomer which is used as the tubular inner core layer of the hose. Hoses made using this approach offer the advantage of having improved resistance to modern automotive fluids, including power steering fluid, transmission fluid, and the like, without compromising flexural characteristics or burst strength. Accordingly, the hoses of this invention provide a longer service life and better reliability then hoses made utilizing conventional technology.Type: ApplicationFiled: October 19, 2010Publication date: April 19, 2012Applicant: VEYANCE TECHNOLOGIES, INC.Inventors: Thomas George Burrowes, Kenneth Allen Bates
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Patent number: 8153218Abstract: A hydraulic brake hose assembly has a core hose layer, a first reinforcing layer over the core hose layer, an intermediate hose layer, a second reinforcing layer over the intermediate hose layer, and an outer hose layer over the second reinforcing layer. The first reinforcing layer has a braid pattern formed in a 4-over, 4-under pattern, and the second reinforcing layer has a braid pattern formed in a 3-over, 3-under pattern.Type: GrantFiled: May 12, 2008Date of Patent: April 10, 2012Assignee: Veyance Technologies, Inc.Inventor: Brian Henry
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Patent number: 8047237Abstract: Thermosetting or thermoplastic arrangement for the manufacturing of pipes (1), made up of a pile of plies (3) in composite materials, characterized in that it comprises at least one structural ply (5) and at least one rigidity ply (7). More specifically, the said at least one rigidity ply (7) takes the form of a perforated or meshed ply and is placed on at least part of the length of the said pipe (1). Further, the said at least one rigidity ply (7) is placed last while forming the pile. Alternatively, the arrangement according to the invention comprises reinforcement means (2) and/or sealing means (6).Type: GrantFiled: July 10, 2007Date of Patent: November 1, 2011Assignee: Daher AerospaceInventor: Marc Limas
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Publication number: 20110262310Abstract: A multilayer hose for conveying an aqueous solution containing urea including a conveying pipe of the fluid, a heating element and an insulating layer. The heating element is a tubular braid or mesh or net element in which at least one wire is formed by a conductive material and one strand is formed by thermoplastic material.Type: ApplicationFiled: January 30, 2008Publication date: October 27, 2011Applicant: DYTECH - DYNAMIC FLUID TECHNOLOGIES S.P.A.Inventor: Franco Colosimo
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Publication number: 20110253244Abstract: A hose with an improved flow includes a method of manufacture of the same. The hose with an improved flow includes an extruded inner tube and a non-woven material layer disposed over the extruded inner tube. The layer of non-woven material is in direct contact with the extruded inner tube and is fused thereto. The hose with an improved flow further includes at least one woven jacket disposed over and fused to the layer of non-woven material. The presence of the layer of non-woven material results in a smoother inner surface of the inner tube, which helps improve the flow of water in the hose, as well as in other favorable characteristics.Type: ApplicationFiled: April 19, 2011Publication date: October 20, 2011Applicant: NIEDER INC.Inventors: David LORD, Joël HERAUD, Yannick HARVEY
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Patent number: 8033302Abstract: A bend stiffener, and a method of producing the same, comprising an elongated cylinder of a polymer material, having a termination interface (4) on at least one end. An internal reinforcement matrix is provided comprising a first layer of a cylindrically arranged woven material (2). The material of the first layer is unwoven at the termination end, the unwoven fibers engage the termination member (3) and pass back over the first layer. The returning fibers of the second layer may be cut at a plurality of lengths to provide zones (10, 11, 12) of decreasing fiber density from the termination end.Type: GrantFiled: June 15, 2007Date of Patent: October 11, 2011Assignee: SeaProof Solutions ASInventors: Roar Standal, Henrik Bang-Andreasen
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Patent number: 7950420Abstract: A flexible hose for conveying fluids or gases comprises two elastomeric layers surrounding either side of a reinforcement layer.Type: GrantFiled: June 27, 2008Date of Patent: May 31, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Achim Amma, Andreas Graudus
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Patent number: 7946311Abstract: A preconditioned air hose includes an abrasion-resistant external layer made of robust nylon, an insulating layer, and an inner layer. The robust external layer protects the air hose from wear and degradation due to abrasion. The external layer may be made of a fabric with an abrasion resistance of at least 22,000 cycles to failure as measured using the ASTM D 3884 standard. This external layer fabric may be composed of filaments having a linear density of about 1,000 denier. The external layer fabric may weigh about 10.8 ounces per square yard.Type: GrantFiled: February 1, 2007Date of Patent: May 24, 2011Assignee: Hobart Brorthers CompanyInventors: Scott Takayuki Kolzumi, Brian Michael Piety, William Taylor O'Connor
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Patent number: 7926517Abstract: In a cylindrical jacket woven into twill A, the direction of a twill line A formed by a warp 2 woven continuously over a weft 3 is substantially aligned with the direction of the central axis of the cylindrical jacket.Type: GrantFiled: March 29, 2006Date of Patent: April 19, 2011Assignee: Sakura Rubber Co., Ltd.Inventors: Akira Horimoto, Kenzou Toshiro, Kaori Kato
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Patent number: 7923126Abstract: The invention relates to a use of a duplex steel for the production of an armouring layer of a flexible pipe comprising at least one unbonded armouring layer and at least one unbonded sealing layer wherein the duplex steel comprises in weight percent 0.01-0.05% by weight of carbon (C) at least 0.15% by weight of nitrogen (N) 20.0-23.0% by weight of chromium (Cr) up to 3.0% by weight of nickel (Ni) up to 1.0% by weight of molybdenum (Mo) 3-6% by weight of manganese (Mn) up to 1.0% by weight of copper (Cu) incidental impurities and balance being iron (Fe).Type: GrantFiled: March 14, 2006Date of Patent: April 12, 2011Assignee: NKT Flexibles I/SInventor: Jonas Gudme
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Patent number: 7900656Abstract: A pipe having a wall formed from a cross-laminated film, and a method of making such a pipe. The film is formed of first and second layers having respective first and second orientation directions, wherein an angle between each of the first and second orientation directions and a projection of a longitudinal axis of the pipe on the wall is selected to enhance the resistance of the pipe to circumferential and/or longitudinal strain due to internal fluid pressure. The angle between each of the first and second orientation directions and a projection of the axis on the wall may be substantially equal to the neutral bias angle. In some cases, the angle between each of the first and second orientation directions and the projection of the axis on the wall may be substantially equal to 59°±2°.Type: GrantFiled: July 2, 2008Date of Patent: March 8, 2011Assignee: Netafim, Ltd.Inventor: Abed Masarwa
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Publication number: 20110048566Abstract: A high pressure hose and method of manufacturing the hose is disclosed. The hose is comprised of an elastomer, thermoset rubber inner tube, reinforced with one or more layers of braided or spiralized high tensile strength wire or high tenacity textile yarn and covered with a highly flexible thermoplastic sheath.Type: ApplicationFiled: August 20, 2010Publication date: March 3, 2011Applicant: SCHIEFFER CO. INTERNATIONAL L.C.Inventor: Jeffrey D. THEIS
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Patent number: 7886775Abstract: An irrigation pipe formed from a sheet that is rolled into a tube about a longitudinal axis of the sheet. The pipe has a watertight layer and a fabric layer. The fabric layer comprises a first fiber arrangement including first main fibers having a first orientation and a second fiber arrangement including second main fibers having a second orientation. The first and second orientations are transverse relative to each other and to the longitudinal axis when viewed in the sheet before it is rolled.Type: GrantFiled: April 10, 2007Date of Patent: February 15, 2011Assignee: Netafim, Ltd.Inventor: Abed Masarwa
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Patent number: 7882854Abstract: The invention relates to an end hose for discharge of thick substances, particularly of liquid concrete. The end hose (12) can be connected with its entry-side end to a pressure feed line (14) of a mobile thick-matter pump, and has a discharge opening (16) for the thick substances at its exit-side end, and consists of a flexible material. In order to prevent the end hose (12) from kicking out when blockages are loosened, it has at least two hose parts (26, 28) having different bending rigidity, connected with one another at a transition point (30).Type: GrantFiled: November 25, 2005Date of Patent: February 8, 2011Assignee: Putzmeister Engineering GmbHInventor: Austin Quier
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Patent number: 7862873Abstract: An Irrigation pipe having a wall comprising: a core layer formed from a biodegradable material; and at least one relatively non-biodegradable protective layer formed on the core layer.Type: GrantFiled: February 14, 2008Date of Patent: January 4, 2011Assignee: Netafim, Ltd.Inventors: Tsipora Yankovitz, Abraham Schweitzer
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Publication number: 20100236655Abstract: A supply hose includes a core tube, a first layer, a second layer, and a sheath. The core tube defines a hollow interior that surrounds a central axis and is configured to transport fluid therethrough. The first layer and/or the second layer provide tensile strength to the supply line. The first layer is disposed about the core tube and includes a plurality of first fibers. The first fibers are braided about the core tube at a first angle, relative to the central axis. The second layer is disposed directly on the exterior surface of the first layer and includes a plurality of second fibers. The second fibers are braided about the exterior surface of the first layer at a second angle, relative to the central axis. The sheath may be disposed about the second layer.Type: ApplicationFiled: March 18, 2009Publication date: September 23, 2010Applicant: Eaton CorporationInventors: Glenn M. Gregrich, Iani Manas, Charles T. Simmons
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Publication number: 20100229995Abstract: A hose 10 comprising an inner elongate supporting member 12 arranged along the length of the hose, the supporting member having a plurality of coils arranged in a substantially helical configuration; a tubular reinforcing/sealing layer 100 disposed around the supporting member 12; and a coil retaining means 14 adapted to prevent coils of the supporting member 12 from moving apart relative to one another.Type: ApplicationFiled: March 15, 2010Publication date: September 16, 2010Applicant: BPP Technical Services Ltd.Inventor: Chuon-Szen ONG
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Patent number: 7754808Abstract: A halogen-free, fire-resistant rubber composition comprising: 100 parts by weight of elastomer comprising 50-100 parts of at least one olefin-type elastomer; at least one fire-retardant boron source; at least one phosphorous source; at least 75 parts of at least one fire-retardant metal-hydrate; and at least one selected from the group consisting of a fire-retardant nitrogen compound and a nitrile-containing elastomer. The composition is suitable for use in fire-resistant, low-smoke hose. The hose may be used in fluid-handling systems requiring flame resistance and/or low smoke generation in fire.Type: GrantFiled: October 26, 2005Date of Patent: July 13, 2010Assignee: The Gates CorporationInventor: Jan Goossens
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Patent number: 7748412Abstract: In one embodiment, a hose is provided which includes a tubular inner core layer and a tubular outer layer. A single reinforcing layer is disposed between the tubular inner core layer and the tubular outer layer and is formed strands having a 1-over, 1-under braid pattern, a 3-over, 3-under braid pattern, or a 4-over, 4-under braid pattern. The strands define a coverage of the tubular inner core layer of at least about 75%.Type: GrantFiled: August 5, 2008Date of Patent: July 6, 2010Assignee: Veyance Technologies Inc.Inventors: Gary Mennig, John Wendt, Brian Henry
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Patent number: 7694695Abstract: An expansion hose adapted for smoothing pressure fluctuations in a hydraulic system having an inner tube, a textile reinforcement, and an outer cover. The reinforcement includes a plurality of yarns, which in turn have a plurality of filaments of first fiber material type and a plurality of filaments of second fiber material type, with first fiber type having elongation at break higher than the second fiber type by at least about 4% elongation. The expansion hose may be part of an assembly including at least one fitting, coupling, bracket, hose clamp, or other hose.Type: GrantFiled: February 26, 2008Date of Patent: April 13, 2010Assignee: The Gates CorporationInventors: Alan C. Johnson, Alexandra Mei Ng
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Patent number: 7681600Abstract: The invention relates to a hose made of a thermoplastic polymer comprising a core and a cover provided with a reinforcement, in particular in the form of a multilayer reinforcing structure, wherein each core and cover consists of a thermoplastic polymer and wherein, according to the invention, an intermediate coupling layer is incorporated into the core and/or cover material by welding and is connected in the form of a reinforcement. The appropriated variants of the embodiment of the intermediate coupling layer are also enclosed.Type: GrantFiled: December 4, 2004Date of Patent: March 23, 2010Assignee: Phoenix Fluid Handling Industry GmbHInventors: Hans-Werner Friederich, Jörg Vortkort
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Patent number: 7654288Abstract: A heat-resistant rubber hose for a diesel engine is provided, which is excellent in exhaust gas water resistance (acid resistance), heat resistance, flame resistance and low-temperature property. The heat-resistant rubber hose includes a tubular inner layer (1) and an outer layer (2) provided on an outer peripheral surface of the tubular inner layer (1), the inner layer (1) being composed of an inner layer material essentially including the following components (A) and (B) and free from an acid acceptor, the outer layer (2) being composed of an outer layer material essentially including the following components (A) to (C): (A) an ethylene-vinyl acetate copolymer rubber (EVM); (B) an organic peroxide crosslinking agent; and (C) at least one of a metal hydroxide and a surface-treated metal hydroxide.Type: GrantFiled: March 31, 2008Date of Patent: February 2, 2010Assignee: Tokai Rubber Industries, Ltd.Inventors: Hideji Fukaya, Masashi Noda
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Patent number: 7644736Abstract: A flexible tubing having a PEX inner core is surrounded by a reinforcing structure, such as a braid. The reinforced flexible tubing meets NFPA Standards for the Installation of Sprinler Systems (13/13R/13D) in both residential and commercial buildings. The reinforced flexible tubing is suitable for a variety of other high temperature/high pressure applications. The tube's flexible characteristics facilitate its installation at a greatly reduced cost, especially in retrofitting existing structures. An adhesive can be used to improve the overall strength and stability of the reinforcing structure surrounding the PEX core. Optionally, a protective outer layer can be applied over the reinforcing structure.Type: GrantFiled: May 21, 2007Date of Patent: January 12, 2010Assignee: Rehau, Inc.Inventors: Jonathan Bittenbender, William Johansen
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Patent number: 7640950Abstract: A collapse tolerant flexible pipe and method of manufacturing same according to which an inner tubular layer is provided within an outer tubular layer in a coaxial relationship thereto. The inner layer maintains the maximum allowable strain on the outer layer below a value that will cause damage to the outer layer when the pipe collapses.Type: GrantFiled: March 22, 2005Date of Patent: January 5, 2010Assignee: Wellstream International LimitedInventor: Zhimin Tan
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Patent number: 7614428Abstract: A new and improved power steering hose assembly is described, which may comprise a core hose layer, a first reinforcing layer, an intermediate hose layer, a second reinforcing layer and an outer hose layer. The first reinforcing layer has a braid pattern formed in a 1-over, 1-under pattern. The intermediate hose layer is positioned over the first reinforcing layer. The second reinforcing layer is disposed over the first reinforcing layer. The second reinforcing layer has a braid pattern formed in one of a 3-over, 3-under pattern or a 2-over, 2-under braid pattern. The outer hose layer is positioned over the second reinforcing layer.Type: GrantFiled: December 27, 2006Date of Patent: November 10, 2009Assignee: Veyance Technologies, Inc.Inventors: Brian Henry, John Donald Wendt
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Patent number: 7597120Abstract: A liquid-conducting python has a plurality of liquid-conducting tubes surrounded by foam insulation. At least a portion of the outer surface of the foam insulation is patterned to form a segmented surface.Type: GrantFiled: August 11, 2005Date of Patent: October 6, 2009Assignee: Valpar Industrial limitedInventor: Robert Prentice Beckett
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Patent number: 7588056Abstract: Methods and systems for a flexible hose assembly are provided. The flexible hose assembly includes a core tube including a substantially fluid-impervious body including an inner surface and an outer surface, and an aramid sleeve including aramid yarn, the aramid sleeve circumferentially covering the core tube.Type: GrantFiled: January 4, 2006Date of Patent: September 15, 2009Assignee: Ansul Canada LimitedInventors: David Lord, Richard Grey, David Demers, Joel Heraud, Maxime Lebel
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Publication number: 20090199923Abstract: A bend stiffener, and a method of producing the same, comprising an elongated cylinder of a polymer material, having a termination interface (4) on at least one end. An internal reinforcement matrix is provided comprising a first layer of a cylindrically arranged woven material (2). The material of the first layer is unwoven at the termination end, the unwoven fibers engage the termination member (3) and pass back over the first layer. The returning fibers of the second layer may be cut at a plurality of lengths to provide zones (10, 11, 12) of decreasing fiber density from the termination end.Type: ApplicationFiled: June 15, 2007Publication date: August 13, 2009Applicant: SEAPROOF SOLUTIONS ASInventors: Roar Standal, Henrik Bang-Andreasen
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Publication number: 20090139593Abstract: The invention relates to a flexible insert tube (1) for the lining of pipelines (2) and of ducts, in particular of sewers (4), where the flexible insert tube (1) has at least two sublayers (8, 10, 22), of which at least one first sublayer (8, 12) has fibres composed of an inorganic material and can be impregnated by a hardenable reactive composition, characterized in that in the direction from the inside to the outside, based on a longitudinal axis (6) of the flexible insert tube (1), a first inner sublayer (8) is followed by a further sublayer (10), which can be impregnated by the hardenable reactive composition, and whose proportion of fibres composed of an inorganic material is less than 100%.Type: ApplicationFiled: November 13, 2006Publication date: June 4, 2009Inventor: Robert Papp
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Publication number: 20090116907Abstract: Tubes for exudative irrigation and methods for manufacturing the same are disclosed. The tubes may comprise a core of textile formed by a knitted fabric covered with a covering of porous material which may comprise a resin mixture of acrylic or polyurethane type, plus additives such as for example, plasticizers, dyes, thickeners and biostatic substances adapted to prevent the proliferation of bacteria, algae or fungi. The core may be composed of one or more fibres in the form of a thread as a single textile fibre of thread, woven using a method of self-interlacing, forming horizontal rows of loops, or possibly a warped fabric with independent threads, using a warp method with one needle for each thread, forming vertical columns of loops.Type: ApplicationFiled: April 4, 2007Publication date: May 7, 2009Inventor: Josep Maria Gaya I Altirriba
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Publication number: 20090084458Abstract: A hose assembly includes a hose with at least one metal wire received therein, and the metal wire can be bent to desired angles. The hose includes at least one seam which defines a plurality of small holes through a wall of the hose. The wall is made by water-proof material. By the metal wires, the hose can be bent to desired angles and shapes according to the paths of the garden, and the water flows out of the small holes to evenly water the plants and soil around the plants.Type: ApplicationFiled: October 2, 2007Publication date: April 2, 2009Inventor: Ting-I Lin
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Publication number: 20090084459Abstract: A flexible pipe body and a method for manufacturing flexible pipe body is disclosed. The flexible pipe body includes an internal pressure sheath, at least one insulating layer comprising a mesh layer comprising a plurality of pockets and an outer sheath.Type: ApplicationFiled: October 1, 2008Publication date: April 2, 2009Inventor: Peter Raoul Williams
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Publication number: 20090050226Abstract: A sheath for protecting a hose, particularly a fuel conduit, against shocks consists of a knitted tubular structure (10) with two faces, a first face (11) being made in the form of jersey and a second face (12) being made in the form of cotton fleece.Type: ApplicationFiled: February 26, 2007Publication date: February 26, 2009Applicant: FEDERAL MOGUL SYSTEMS PROTECTIONInventors: Gerard Mirmand, Florence Castel
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Publication number: 20080264508Abstract: A flexible hose construction adapted for separately conveying two or more fluids therethrough. The construction includes a core tube, a second tube helically disposed about the core tube, and a tubular jacket surrounding the core tube. The second tube may be substantially concentric with the core tube. The tubular jacket may be substantially cylindrical so as to have a substantially smooth outer surface.Type: ApplicationFiled: September 26, 2007Publication date: October 30, 2008Inventors: Wallace Adamson, Kelley J. Boone, Kevin J. Wojciechowski, Victor J. Miller