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Class 138/137 - Distinct layers


Subclass of Class 138 - Pipes and tubular conduits
Definition: Device wherein the pipe wall is made up of more than one
No. of applications: 239
Last issue date: 03/22/2012


1            
Application No.Application TitleIssue Date
20120067452THERMOPLASTIC HOSES FOR AIRBORNE VEHICLES
Embodiments of the present invention provide thermoplastic hoses for an airborne vehicles. The hoses have an inner layer comprised of polyamide and an external layer of polyamide, and the hose is configured to allow the hose to both operate safely under pressures below ...
03/22/2012
20120042980Reinforced Flexible Hose with High Pressure Strength and Method for its Manufacturing
A flexible hose, as viewed from the inside, includes at least one first inner layer made of a first thermoplastic polymer material, at least one reinforcement layer composed of a plurality of yarns knitted together to form a plurality of stitches of tricot type, and at ...
02/23/2012
20120037256PIPE INSULATION PRODUCT WITH CHARGE DISSIPATER
A pipe insulation product including a core of insulating material and a roughly rectangular laminate. The core may include an outer surface; an inner surface; and a wall extending between the outer and inner surfaces. The laminate may include a foil or metallized polyme...
02/16/2012
20120034118Fluorinated Elastic Tube
A fluorinated elastic tube includes: an elastic hollow body made of a fluorinated polymer; and an amorphous perfluororesin membrane having a thickness of not greater than 1 μm and being in direct close contact with the inner surface of the hollow body. The amorphous pe...
02/09/2012
20120018026CROSS-LINKED POLYOLEFIN FOAM DUCT FOR HVAC APPLICATIONS
A foam air duct for transferring heated or cooled air throughout an automotive vehicle. Material for the foam air duct may be a closed-cell polyolefin foam blend that creates several advantages in automotive HVAC design including reduction in the weight of the foam air ...
01/26/2012
20120012222FUEL HOSE AND METHOD FOR PRODUCING THE SAME
A fuel hose includes a tube-shaped inner layer made of a resin composition (A) that contains an aromatic polyamide resin as a main component and an organic acid salt having 8 to 28 carbon atoms and an outer layer formed on an outer peripheral surface of the inner layer ...
01/19/2012
20120012221COMPOSITE HOSE AND METHOD FOR FABRICATING SUCH A HOSE
A composite hose for transfer of cryogenic fluids, includes two end flanges, a helical wound inner wire several layers of protective fabric layers, at least one gas-tight sealing layer sandwiched between one or more protective layers and an outer helical wound wire whic...
01/19/2012
20120006443BIO-PHARMACEUTICAL HOSE
A hose for use in bio-pharmaceutical applications includes an innermost tubular layer made from a fluoropolymer material. The tubular layer has an inner, relatively smooth and pure surface that defines an opening for transfer of various media. A layer of silicone is dis...
01/12/2012
20110315263FLEXIBLE COMPOSITE PIPE
A flexible composite pipe useful in off-shore oil and gas well operations is provided which contains at least one polymer layer such as an internal pressure sheath, an intermediate sheath, an anti-wear layer and/or an outer sheath, wherein the polymer layer is formed us...
12/29/2011
20110303318Pipe for the Air Intake Circuit of a Motor Vehicle Engine, and Circuit Incorporating the Same
The present invention relates to a pipe usable for an air intake circuit of a motor vehicle engine, and to this air intake circuit in particular for the intake of air at the outlet of a turbocompressor that comprises at least one such pipe.

12/15/2011
20110297268REINFORCED HOSE ASSEMBLY
A reinforced hose assembly includes tubular inner layers with a uniform interior radial surface and an exterior radial surface. The tubular inner layer defines a longitudinal axis along a length thereof and comprises a first fluorocarbon polymer. The reinforced hose ass...
12/08/2011
20110290362COMPACT HIGH PRESSURE RUBBER HOSE
Compact flexible reinforce rubber hose adapted for conveying fluids under high pressure. The hose includes a thin inner tube formed of a vulcanized rubber....
12/01/2011
20110290363THERMOPLASTIC POLYMER COMPOSITION AND PROCESS FOR PREPARING THERMOPLASTIC POLYMER COMPOSITION
A fuel hose including a laminated article having: a layer including a thermoplastic polymer composition which includes a fluororesin (A) including a fluorine-containing ethylenic polymer (a) and a crosslinked fluororubber (B) including a fluororubber (b) that has been a...
12/01/2011
20110259040REFRIGERATION CIRCUIT
A refrigeration circuit (3) for household appliances comprises a compressor (4) suitable for compressing a predetermined cooling fluid and for allowing circulation thereof within said circuit (3), a first heat exchanger (5) or condenser in fl...
10/27/2011
20110247714FLEXIBLE, PRESSURE-RESISTANT AND OIL-RESISTANT HOSE
A flexible, pressure-resistant and oil-resistant hose having excellent durability and pressure-resistant properties, light in weight, and low in cost. A flexible, pressure-resistant and oil-resistant hose provided with a soft body section (2) having a substantial...
10/13/2011
20110232797FLEXIBLE SHORT PIPE HAVING SHOCK ABSORBING FUNCTION
Disclosed herein is a flexible short pipe having a shock absorbing function. The flexible short pipe has flexibility so as to absorb shocks generated in the longitudinal direction of a lifting pipe (or flexible pipe) and have resistance to a bending load or a torsional ...
09/29/2011
20110232798FLEXIBLE UNBONDED PIPE AND A METHOD FOR PRODUCING SUCH PIPE
The present invention relates to a flexible unbonded pipe comprising an inner liner capable of forming a barrier against outflow of a fluid which is conveyed through the pipe, and one or more armouring layers on the outer side of the inner liner. The flexible unbonded p...
09/29/2011
20110226375Low-Permeation Flexible Fuel Hose
A flexible hose or a tubing having a barrier layer of polyamide 6 having an impact modifier, and/or branched molecular structure, a flexural modulus of 1 to 2 GPa and/or a tensile elongation of 100% or more. The hose may have additional layers such as an HNBR rubber inn...
09/22/2011
20110229271VENTING GAS
Apparatus and a method are disclosed for venting gas from an annulus region of a flexible pipe. The method includes the steps of depressurising a bore region of a flexible pipe and via at least one vent flow fluid communication path, venting gas from an annulus region o...
09/22/2011
20110220236TWO-LAYERED PLASTIC TUBING PIECE FOR PRESSURIZED FLUID CONDUITS
The invention relates to a two-layered plastic tubing piece for pressurized fluid conduits comprising an inner layer and an outer layer. The inner layer is formed from a first mixture comprising an elastomeric co-polyolefin or a blend of a partially crystalline polyolef...
09/15/2011
20110214773METHOD OF MANUFACTURING RUBBER HOSE REINFORCED BY STEEL CORDS, AND RUBBER HOSE REINFORCED BY STEEL CORDS
A method of manufacturing a rubber hose reinforced by a plurality of helically arranged steel cords is provided. The rubber hose includes an inner tube, an outer tube, and a laminated reinforcing layer between the inner and outer tubes. The reinforcing layer is formed b...
09/08/2011
20110209792ROBUST PRECONDITIONED AIR HOSE
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 w...
09/01/2011
20110203695 FLEXIBLE PIPE
The invention relates to a flexible pipe comprising a plurality of layers surrounding a longitudinal axis of the pipe, the plurality of layers comprising from inside and radially outwards an internal sheath, a pressure vault and one or more tensile armouring layers. The...
08/25/2011
20110155274DETACHABLE TRANSFER CONDUIT
A disconnect transfer conduit comprising flexible tubing; a deformable sleeve surrounding a portion of the flexible tubing; wherein the sleeve is attached to the flexible tubing and is formed of a material having plasticity such that pressure applied to the sleeve cause...
06/30/2011
20110146829GARDEN HOSE WITH BACKBONE
An improved garden hose including an elongated generally cylindrical inner core being made of a first material, the inner core having an integrally formed backbone being made of a second material....
06/23/2011
20110146828Flexible duct and means of production
A helically formed flexible duct primarily directed to applications in ducted heating, ventilating and air conditioning, of three dimensions including a predetermined length, an inner diameter reinforced with a helically laminated wire member between self laminating sub...
06/23/2011
20110139288METHOD FOR INSERT MOLDING BENDABLE POSITION-RETAINING TUBING
A hollow conduit and process for manufacturing therefor which includes steps of extruding a first polymer conduit; cutting said conduit to a pre-determined length; inserting said length into a split mold having a cavity defined therein; inserting at least one flexible p...
06/16/2011
20110100499FLEXIBLE PIPE WITH IN-BUILT END PIECES
This flexible pipe comprises a versatile and flexible tubular body (PP) which comprises, from the outside toward the inside, a pressure arch (1b-1c) with filaments (10) submerged in a layer of elastomer and wound in a helix with an angle of 54.7° i...
05/05/2011
20110088804FUEL HOSE
A fuel hose (10) includes a laminated layer structure including: an intermediate layer (12) containing polyvinyl alcohol and/or an ethylene-vinylalcohol copolymer; an inner layer (11) disposed on an inner periphery of the intermediate layer; and an ...
04/21/2011
20110067776METHOD OF MANUFACTURING A REINFORCEMENT ELEMENT FOR A FLEXIBLE PIPELINE
For use in the manufacture of reinforcement layers for flexible pipes which are capable of absorbing compressive or tensile forces, and which are used for the transport of oil and gas, a thermoplastic material is applied to a strength-imparting layer.

03/24/2011
20110048566HYBRID HIGH PRESSURE HOSE
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 w...
03/03/2011
20110041943TRANSFER HOSE WITH MULTIPLE LAY LINES
A transfer hose with two or more lay lines located on the exterior layer of the transfer hose. The lay lines run longitudinally down the length of the hose and are preferably placed at various points along various axes, spread around the outer circumference of the trans...
02/24/2011
20110036440PIPELINE AND MEHTOD FOR PRODUCING THE SAME
A pipeline for the transport of a pressurized flowable medium, consisting of a metal tube corrugated transversely to its longitudinal direction and of a hose which is arranged in the same and consists of plastic. In the position of use the hose bears against the inwardl...
02/17/2011
20110036441FLEXIBLE PIPE FOR TRANSPORTING HYDROCARBONS, WHICH INCLUDES A TUBULAR PIPE CARCASS MADE OF INTERLOCKED METAL STRIP
A flexible duct with a frame made by winding a S-profiled metal strip into clamped turns, wherein the edges of two adjacent turns overlap each other in order to form between them a helical closed space having an essentially rectangular cross-section and at least partial...
02/17/2011
20110036442Hose Assembly And Method Of Forming The Same
A hose assembly and a method for forming the hose assembly are disclosed. The hose assembly includes a core tube having an outer peripheral surface and is formed from a fluoropolymer. The hose assembly also includes a first reinforcing layer disposed about the core tube...
02/17/2011
20110030831FLEXIBLE PIPE HAVING PRESSURE ARMOUR LAYER
A flexible pipe body and a method of manufacturing flexible pipe body and a tape used during the manufacturing are disclosed. The flexible pipe body includes at least one layer of helically wound tape, adjacent windings in the layer of tape being interlocked by a hooked...
02/10/2011
20110030832ADHESIVE BACKED DUCTS FOR CABLING APPLICATIONS
A duct for distributing one or more communication lines comprises an elongated body having a length and a conduit portion with a lengthwise bore formed therein, the conduit portion containing one or more communication lines. The duct also includes a flange extending len...
02/10/2011
20110023985Multilayer tube, particularly for industrial systems for the production and/or treatment of chemical compounds and the like
A multilayer tube for industrial systems for the production and/or treatment of chemical compounds, in fluid form, comprising a plurality of layers, of which at least one internal layer forming the duct for the fluid, an electrically conducting layer external to the int...
02/03/2011
20110023988Flexible hose for high pressures and temperatures including a charge-air hose and a cooling-water hose
A flexible hose (1) has at least two textile reinforcement inlays or inserts (5, 6, 7) and an inner layer (2) made of elastomeric material. The flexible hose can assume various curvature geometries and, on the other hand, is still pressure-resistant...
02/03/2011
20110017338ALUMINUM FOIL BASED HOSE
An ultra low permeability fluid member for conveying a fluid (e.g., a hose, tube, etc.) having a metal vapor barrier layer (22) formed around an inner tube (14). The metal vapor layer (22) is formed from one or more metal strips (40a, ...
01/27/2011
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