Class 138/130 - Oppositely wound

Subclass of Class 138 - Pipes and tubular conduits
Definition: Device wherein there are plural layers of material spirally
No. of applications: 30
Last issue date: 11/03/2011

Application No.	Application Title	Issue Date
20110265903	TUBE-SHAPED BODY FOR CONVEYING SOLID, LIQUID AND/OR GASEOUS SUBSTANCES A tube-shaped body for conveying solid, liquid and/or gaseous substances, including a plurality of concentrically arranged layers, where at least one layer is designed as a carrier layer, and at least two further layers are designed as strength layers, which are formed ...	11/03/2011
20100282354	BRAKE HOSE An ultralow expansion brake hose comprising an inner tube, a reinforcement layer around the tube and including two oppositely wrapped served layers of PVA fibers encapsulated in a pliable adhesive and an outer layer of braided PVa fiber to stabilize the served layers....	11/11/2010
20100218839	HIGH TEMPERATURE FIBER REINFOCED PIPE A high temperature flexible pipe and method of making a high temperature flexible pipe is provided. The pipe can have an inner tubular layer formed of a high temperature thermoplastic, a first reinforcing layer, a second reinforcing layer and an outer sheath. In one asp...	09/02/2010
20100101675	FLEXIBLE PIPE FOR CONVEYING HYDROCARBONS AND HAVING A REINFORCED MAINTAIN LAYER An undersea flexible pipe for conveying hydrocarbons, the pipe including from the inside to the outside an inner sealing sheath (18), at least one ply of traction armors (14, 16) wound about the inner sealing sheath, a deformable holding layer (12) ...	04/29/2010
20100089481	FLEXIBLE PIPE HAVING HIGH RESISTANCE TO AXIAL COMPRESSION AND METHOD OF MANUFACTURING SUCH A PIPE A flexible pipe and a method of producing it. The pipe has two tubular structures, internal and external, and a tubular axial blocking layer. The tubular blocking layer comprises two section wires each having a trapezoidal cross section. The trapezoidal cross section de...	04/15/2010
20100093448	HELICALLY-WOUND CABLE AND METHOD A cable includes a first layer of wire helically wound to define a lumen having a lumen diameter. A second layer of wire is helically wound over the first layer. A first end segment of the second layer is configured with a plurality of strands that are fused together. A...	04/15/2010
20100093447	HELICALLY-WOUND CABLE AND METHOD A cable includes a first layer of wire helically wound to define a lumen having a lumen diameter. A second layer of wire is helically wound over the first layer. A first end segment of the second layer is configured with a plurality of strands that are fused together. A...	04/15/2010
20100084035	FLEXIBLE TUBULAR PIPE FOR TRANSPORTING GASEOUS HYDROCARBONS The invention relates to a flexible tubular duct for transporting gases under high pressure in the field of offshore oil exploitation. The duct is of the unlinked and smooth passageway type, and comprises from inside to outside an inner polymer tube, a pressure vault fo...	04/08/2010
20090308475	Methods and systems for in situ manufacture and installation of non-metallic high pressure pipe and pipe liners Pipe with a liner or core pipe and a liner or core pipe which is insertable into a host pipe, the liner or core pipe including, in certain aspects, a pipe made of temperature-resistant non-metallic corrosion-resistant material; first and second strengthening wraps aroun...	12/17/2009
20090260706	Pipeline For Conducting Air For Air Conditioning In Aircrafts The invention relates to a pipeline 1, 34 for conducting air, in particular in a temperature range between −55° C. and +85° C. and at a differential pressure load of at most ±500 hPa relative to cabin pressure, for air conditioning in aircrafts. According to...	10/22/2009
20090250133	BRAKE HOSE An ultralow expansion brake hose comprising an inner tube, a reinforcement layer around the tube and including two oppositely wrapped served layers of PVA fibers encapsulated in a pliable adhesive and an outer layer of braided PVa fiber to stabilize the served layers....	10/08/2009
20090236004	SMOOTH AND FLEXIBLE CLEAN ROOM HOSE A hose suited for use in clean rooms has a Minimum Bend Radius (MBR) that is flexible without kinking. The hose includes a germ and bacteria resistant smooth outer surface and is constructed form a low modulus rubber type matrix with primary reinforcement layers laid at...	09/24/2009
20090173406	Fiber Reinforced Spoolable Pipe A spoolable pipe is disclosed, the spoolable pipe having an internal pressure barrier formed about a longitudinal axis, and a reinforcing layer(s) enclosing the internal pressure barrier. In one embodiment, the reinforcing layer(s) can include fibers having at least a p...	07/09/2009
20090071400	Flexible Hose And A Paint Application Apparatus And System With Same An insulated hose for a high voltage paint application apparatus including an inner hose containing a fluid or paint charged at a high voltage. The flexible inner tube hose is arranged inside at least one flexible mechanical protection tube or layer and an air excluding...	03/19/2009
20090065084	CROSS-LAMINATED PIPE AND METHOD OF MANUFACTURING SAME 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 direct...	03/12/2009
20080314471	Pipe Fitting A multi-layer flexible pipe and method for making the same is disclosed. The multi-layer flexible pipe includes a barrier layer of polyamide-12 (PA-12) material....	12/25/2008
20080283138	Flexible Pipe, Its Manufacture and Use A flexible, typically un-bonded, armoured pipe, and a method manufacturing a flexible pipe. The pipe has a center axis and comprises an inner liner surrounded by a radial armouring and an axial armouring, the radial and axial armouring each comprising at least one armou...	11/20/2008
20080251152	Irrigation pipe 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 ...	10/16/2008
20080190507	Flexible Tubular Pipe With An Anti-Wear Sheath A flexible tubular conduit for transporting hydrocarbons comprising at least two metal sheathing covers which are separated by a plastic anti-wear layer. Each cover is produced by helically winding a metal longitudinal element. The anti-wear layer is produced by helical...	08/14/2008
20080149209	Method For Removal of Permeate Gases From a Flexible Tubular Pipe and Pipe Embodied For Carrying Out the Same A method for the drainage of permeate gases from a flexible tubular pipe and a pipe embodied for carrying out the method. The pipe comprises at least one inner pressure sleeve, for the transport of hydrocarbons, which contain permeate gases which diffuse across the wall...	06/26/2008
20070277895	Hybrid Hose Reinforcements A crush resistant hose comprises a plurality of layers (12, 14, 16, 18, 20) comprising a reinforcing carcass formed from a mixture of multifilament fibres (30) including at least one of polyester, aramide, nylon and rayon. ...	12/06/2007
20070181202	Brake hose An ultralow expansion brake hose comprising an inner tube, a reinforcement layer around the tube and including two oppositely wrapped served layers of PVA fibers encapsulated in a pliable adhesive and an outer layer of braided PVa fiber to stabilize the served layers. ...	08/09/2007
20070119512	Flexible pipe with a permeable outer sheath and a method of its manufacturing A flexible pipe for transporting a fluid in a marine environment. The pipe comprises a liner for confining the fluid, an armouring layer surrounding the liner, and an outer protective sheath surrounding the armouring layer and allowing radial expansion and contraction o...	05/31/2007
20070074776	Irrigation pipe An irrigation pipe comprising at least one layer is provided. The layer has a maximum longitudinal tensile stress in the longitudinal direction of the pipe and a maximum tensile hoop stress along the circumference of the pipe. The value of the maximum longitudinal tensi...	04/05/2007
20070006445	Composite generator rotor shaft A method for manufacturing a rotor shaft is provided. A rod is formed from a metal matrix composite material, the rod having an outer diameter. The rod is heated to attain a stiffness thereof that is greater than about 300 GPa. A machinable sleeve is formed from materia...	01/11/2007
20060191587	Flexible non-bonded pipe which is used to produce a dynamic pressurised fluid transfer hose and, in particular, a mud hose for rotary oil drilling The invention relates to a non-bonded pipe which is used to produce a dynamic pressurized fluid transfer hose and, in particular, a mud hose for rotary oil drilling. The inventive pipe consists of the following elements from inside outwards: an inner polymer sheath, at ...	08/31/2006
20050183785	Fiber reinforced pipe A flexible, fiber reinforced pipe has been invented for conveying fluids. The pipe is flexible enough to be spoolable, even under winter temperature conditions. The pipe can contain pressure, when buried, unrestrained and bent. The pipe exhibits impact resistance under ...	08/25/2005
20050121094	Composite spoolable tube A spoolable composite tube capable of being spooled onto a reel for storage and for use in oil field applications. The spoolable tube exhibits unique anistropic characteristics that provide improved burst and collapse pressures, increased tensile strength, compression s...	06/09/2005
20050087248	Highly flexible multistructure tube A multi-structure pipe intended to transport a fluid, used in particular in oil production, including a first hollow and closed tubular structure having a set of substantially circumferential slits, each slit extending on an arc of more than 180° and defining a tension...	04/28/2005
20050005985	Underdrainage pipe The underdrainage pipe includes an inner layer 1 formed by helically winding strands 2, 3, and an outer layer 4 also formed by helically winding a strand 5. In the strand 5 in one of the inner and outer layers 1, 4, for example,...	01/13/2005

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Class 138/130 - Oppositely wound