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7396597 Ni-Cr-Fe alloy and Ni-Cr-Fe alloy pipe having resistance to carburization and coking  
A stainless steel pipe includes a base metal containing 20-35 mass % of Cr, and a Cr-depleted zone is formed in the surface region of the pipe. The Cr concentration in the Cr-depleted zone is at...
7389799 Antistatic hose for conveying fluids  
An antistatic hose for conveying fluids with at least one conductive layer ( 2 ) comprising a first, conductive material ( 3 ) and a second, non-conductive material ( 4 ). The first, conductive...
7381454 Tubular product  
A tubular product has a tubular base layer, a tubular innermost layer made of plastic by continuous extrusion, and a tubular tie layer of foamed plastic between and adhered to the base layer and...
7306013 Fuel hose  
A fuel hose which is excellent in antistatic property, sour gasoline resistance, a sealing property and the like. The fuel hose includes a polyamide resin inner layer 1 and an electrically...
7281547 Multi-layered flexible tube  
A multi-layered tube comprising a first inner polymeric tubular structure, a second foamed polymeric structure containing a plurality of short or long reinforcing elements dispersed therein and,...
7273645 Fluorocopolymer  
A fluorocopolymer which comprises (A) polymerized units based on tetrafluoroethylene, (B) polymerized units based on ethylene and (C) polymerized units based on itaconic anhydride or citraconic...
7268562 Low cost detectible pipe and electric fencing manufactured from conductive loaded resin-based materials  
Detectable pipe and electric fence are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or...
7232597 Corrugated polyamide tube  
A corrugated polyamide tube composed of a corrugated outer tube layer of polyamide resin and a flat inner tube layer fixed to the outer tube layer at bottom portions thereof, in which the inner...
7231941 Hose for transporting fluid  
A hose for transporting a fluid has a tubular hose body, an inner resin layer as a barrier layer having permeation resistance to a fluid transported, and an elastic sealing layer coating in...
7228878 Catheter tubing with improved stress-strain characteristics  
A medical tubing is disclosed which includes a first material extending between proximal and distal ends of the tubing and which defines a lumen of the tubing. The tubing also includes a second...
7226649 Laser weldable flexible medical tubings, films and assemblies thereof  
The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not...
7223455 Duct board with water repellant mat  
A duct board or duct liner comprises: an insulating layer formed from fibrous material bound with a resin binder, an outer facing layer adhered to an outer surface of the insulating layer, and a...
7192646 Hose construction containing fluoroelastomer composition and fluoroplastic barrier  
The present invention relates to a hose comprising: a thermoplastic fluoropolymer barrier layer; and a rubber layer adjacent to the barrier layer, the rubber layer comprising 100 parts by weight of...
7160593 Polyefinic pipe having a chlorinated polyolefinic hollow core  
A multi-layered pipe of arbitrary length and cross-section is produced by co-extrusion of a lower polyolefin (C 2 –C 4 ) outer body over the exterior surface of a tubular core of randomly,...
7132160 Laminate tape  
A laminate tape useful for insulating pipes, lines and the like is constructed of a tacky first layer containing asphalt and an insulative filler such as granulated cork adhered to a flexible...
7132141 Multilayer polymer hose line or tubing having reduced length variations  
Two-layered or three-layered polymer tubing for use as a pressurized fluid conduit in automobiles can be either walled or have walls continuously or partially corrugated. The tubing has an outer...
7111646 Multilayer resin pipe  
A multilayer resin pipe includes a plurality of resin layers. At least the innermost resin layer is made of a resin having a low permeability. At least one of the resin layers of the multilayer...
7094310 Method for joining high-pressure composite pipes  
A high-pressure composite pipe includes a pipe-shaped inner layer made of a synthetic resin, and a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external...
7069978 Chemically compatible, lightweight heat pipe  
The present invention provides an apparatus including a magnesium alloy vessel that is substantially free of aluminum and zinc, but including magnesium in combination with a gettering metal. The...
7059355 Pipe for water pipe and the like  
The water pipe includes a pipe body which is used as a water pipe, supply-pipe, drainage pipe, including a mixed layer, provided at an inner surface of the pipe body, the mixed layer including a...
7059354 Refrigerant transportation hose  
A refrigerant transportation hose having excellent processability and durability, as well as high resistance to gas permeation (gas barrier properties) and adequate flexibility. The refrigerant...
7025093 Polyurethane elastomer gel insulating composition and use thereof  
The invention relates to the use of a thermally insulating composition in the form of crosslinked polyurethane elastomer gel, obtained by reacting at least one polyol and at least one...
7017616 Reinforced hose  
A brake hose has an inner rubber layer, an outer rubber layer, and at least two reinforcing layers provided between the inner rubber layer and the outer rubber layer. The reinforcing layers include...
7011114 Automotive fuel hose  
An automotive fuel hose having a three-layer structure excellent in sour-gasoline resistance and impact resistance. The automotive fuel hose includes a tubular inner layer in which fuel is adapted...
6986922 Singlelayer and multilayer polyolefin foam pipes  
Single layer and multilayer polyolefin foam pipes with improved compression resistance have a polyolefin foam layer which consists of mixtures of modified propylene polymers having strain hardening...
6977105 Multilayered tube and medical supply comprising multilayered tube  
A multi-layered tube composed of at least two layers, each formed from a different resin, e.g. resin (I) or resin (II). Resin (I) contains 5 to 40 mass % of a polypropylene resin and 95 to 60 mass...
6964800 Plastic-based multilayer structure and tube having a multilayer structure  
The invention concerns a plastic-based multilayer structure, in particular for making tubes or conduits for transporting liquid fluids such as alcohol, liquid fuels derived from petrol, fuels...
6941975 Refrigerant hose  
A hose suitable for use in refrigerant systems. The hose has a barrier layer formed of at least two layers of thermoplastic resin. At least one of the layers is a vinyl resin. The resins are...
6926039 Flexible pipe for transporting a fluid  
A flexible pipe for transporting a fluid comprising an outer sealing polymer sheath, at least a pair of armor wraps helically and long-pitch wound, and a polymer pressure sheath. The pressure...
6849314 Fluoropolymer blends and multilayer articles  
Disclosed are various fluoropolymer blend combinations and multilayer articles comprising a blend in a first layer and a second layer comprising a polymer bonded to the first layer. The invention...
6807988 Thermoplastic reinforced hose construction  
A flexible hose adapted construction for conveying fluids under pressure. The construction includes a core tube having a circumferential inner core tube surface and an opposing circumferential...
6805168 Multilayer hose  
The present invention relates to a multilayer hose, especially for conveying fuel, comprising an outer layer and a conductive, fluorine-containing, elastomeric inner layer, said inner layer...
6792978 Fuel cell hose with barrier properties  
The present invention is directed to a flexible hose for transporting hydrogen and oxygen gases for use in a fuel cell vehicle. The hose has a low permeation rate and will not contaminate the fuel...
6790497 Superhard material article of manufacture  
The invention relates to abrasive water jet systems including an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic...
6776195 Tubular polymeric composites for tubing and hose constructions  
Multi-layer tubular polymeric composite and to articles such as tubing and hoses constructed thereof. The composite is formed of a layer of a fluoropolymer material bonded directly to a second...
6759109 Process for manufacturing a multilayer rubber hose and a product thereof  
A rubber hose having a multilayer wall is formed of an inner layer of NBR type rubber having a high AN content, available at a low cost and highly impermeable to fuel and an outer layer of a rubber...
6745796 Hydrogen fuel transporting hose for fuel-cell powered vehicle  
A hydrogen fuel transporting hose for a fuel cell powered vehicle having a laminar structure includes at least one inner rubber layer, at least one reinforcing layer, and at least one outer rubber...
6729355 Reinforced flexible hose  
A reinforced flexible hose, especially a shower hose, being comprised of a thin-walled reinforced inner hose, at least one outside outer hose, at least one helical support between the inner hose...
6719009 Composite material piping system  
The present invention is a concrete piping system comprising a pipeline. The pipeline includes an intake end, an output end, a liner resistant to concrete abrasion and a pressure tube of composite...
6715511 Tube made of vulcanized elastomer comprising polyamide and EVOH barrier layers  
The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards: a first layer of vulcanized elastomer forming the outer layer, a second layer of...
6706350 Corrosion-resistant pipe and method for the preparation thereof  
A corrosion-resistant pipe is formed by covering a surface of a pipe with a resin composition that contains (A) 1 to 98 parts by weight of a polyphenylene ether resin; (B) 1 to 98 parts by weight...
6701969 Flexible tubular pipe and method of manufacturing same  
A flexible pipe and a method of manufacturing same according to which an inner sheath is surrounded by at least one tensile layer, and an outer sheath of polymeric material consisting of an olefin...
6692804 High strength extruded tubular product and method for making said product  
Using a balanced flow path, multiple layers of extruded plastic are supplied to a chamber having independently rotating surfaces. Said rotating surfaces apply a shear force to at least the inner...
6691742 Method and apparatus for supporting a pipe  
A pipe assembly includes pipe having a protecting saddle connected thereto. A support member and a support saddle are provided to sustain the pipe, with the protecting saddle resting on the support...
6688339 Composite high-pressure tube and method of manufacturing the tube  
A high-pressure composite pipe of the present invention comprises an inner layer pipe made of a synthetic resin, and a reinforcing layer formed by spirally winding a stretched polyolefin resin...
6688338 Secondary containment system for pipelines  
A system and method for providing secondary containment for pipeline transmission systems that complies with environmental regulations for double wall applications. The outer surface of the...
6684910 Multi-layered pipe  
A pipe of layers of thermoplastic polyolefins of the same type, however with different properties, which are connected inseparably with one another, an outer first layer and a second layer,...
6682796 Fuel hose  
A fuel hose having a fluororesin layer formed from a copolymer of vinylidene fluoride and chlorotrifluoroethylene by powder coating or the like on the inner surface of a rubber tube is...
6679295 Vibration absorbing rubber hose  
A vibration absorbing rubber hose having a laminar structure including an inner rubber layer, a reinforcing layer, and an outer rubber layer, which layers are laminated integrally with one another...
6670004 Laminated nylon air brake tubing  
A laminated nylon air brake tubing is formed from outer and inner layers of nylon 11 or nylon 12 with inner layers of nylon 6. The nylon 6 and nylon 11 or 12 layers are adhered together by a tie...