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Class 138/124 - Distinct layers


Subclass of Class 138 - Pipes and tubular conduits
Definition: Device wherein there is more than one layer in the pipe
No. of patents: 176
Last issue date: 05/24/2011


1          
NumberTitleIssue Date
7946311Robust 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 fabr...
05/24/2011
7748412Hose having a single reinforcing layer
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 pa...
07/06/2010
7654288Heat-resistant rubber hose for diesel engine
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
02/02/2010
7640950Collapse tolerant flexible pipe and method of manufacturing same
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 ...
01/05/2010
7614428Power steering hose design for performance in high pressure and low to high volumeric expansion environments
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...
11/10/2009
7588056Methods and systems for enhanced fluid transport
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 sle...
09/15/2009
7347225Highly 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 ten...
03/25/2008
7331950Apparatus for containing noise generated by a pneumatically powered surgical instrument and related method
A sound attenuating system is provided for pneumatically powered surgical instruments. In one aspect, the exhaust hose is formed of at least two dissimilar materials to impede the transmission of vibrations or audible noise. In an alternative form, the exhaust hose ...
02/19/2008
7328725Reinforced hose
A reinforced hose according to an embodiment of the present invention includes a first reinforcing layer having a reinforcement material with a first tensile strength. A second reinforcing layer overlays the first reinforcing layer and includes a reinforcement mater...
02/12/2008
7322379Flexible kink-resistant hoses
A flexible kink-resistant hose configuration includes concentric tubes with longitudinal ribs. ...
01/29/2008
7318454Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining
A flexible tubular pipe for transporting hydrocarbons, the pipe comprising at least one carcass, an internal pressure sheath and one or more armor layers. The carcass forms the innermost structural element of the pipe and consists of an interlocked spiral winding of...
01/15/2008
7290568Pressure-resistance hose having watertight structure
Disclosed is a pressure-resistance hose having a watertight structure capable of preventing a due condensation phenomenon, called a sweating phenomenon, from occurring on an exposed end or a surface of the pressure-resistance hose by coating adhesives on both overla...
11/06/2007
7264021High-pressure resistant hose
A hose base body of multilayered construction including an inner surface layer, a reinforcing layer and an outer surface layer has uniform inner diameter, outer diameter and wall-thickness over an entire length thereof. A longitudinal end portion of the hose base bo...
09/04/2007
7249613Energy attenuation device
An energy attenuation device for a conduit that is adapted to convey a pressurized fluid therethrough, comprising a hose section disposed about a portion of the conduit, wherein such conduit portion is provided with at least one aperture, for example in a surface th...
07/31/2007
7234410Buoyancy control systems for tubes
A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a section of the length of the t...
06/26/2007
7152632Systems and methods for pipeline rehabilitation
The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi...
12/26/2006
7147904Expandable tubular fabric
An expandable tubular fabric formed by heat setting a plurality of thermoplastic yarns producing drawn thermoplastic yarns, arranging these yarns in an array and in juxtaposed positions and moving them in a first direction. Extruding at least one filament along a ci...
12/12/2006
7143789High-pressure hose comprising several layers of reinforcing plies
The present invention relates to a high-pressure hose structure comprising several layers of reinforcing plies where the reinforcing fibers are spirally laid. The hose structure according to the invention is characterized by the odd number of its reinforcing ...
12/05/2006
7140395Brake hose
A brake hose is made by laminating an inner tube rubber layer, lower yarn layer, intermediate rubber layer, upper yarn layer, and cover rubber layer. The rubber material of the inner tube rubber layer and intermediate rubber layer is a blend material in which 40 to ...
11/28/2006
7121766Inflatable underground structure liner
An underground structure liner based upon an inflatable liner structure. An acid resistant layer is the innermost layer of an inflatable liner, and the liner is coated with epoxy resin on its outermost surface, the surface which contacts the existing walls of the un...
10/17/2006
7114526Composite hose with a corrugated metal tube
A composite hose comprises a corrugated metal tube as barrier layer against permeation of conveyed fluid and a reinforcing layer which is formed by braiding a reinforcing wire member made of a metal wire. A braid density of the reinforcing layer is 55% or less. ...
10/03/2006
7096814Variable buoyancy device
The method of constructing a hull for ocean profiling or gliding vehicles which reduce the energy required to make vertical excursions. Composite materials are used in constructing the hull, specifically a fiber reinforced matrix, wherein the choice of the fiber mat...
08/29/2006
7086420Multilayered elastomer hose with reinforcement layer consisting of sulfur-containing polymer material
The present invention relates to a multilayered elastomer hose comprising at least an inner layer, an outer layer and a reinforcement layer. To enhance the loadability of conventional elastomer hoses while maintaining the typical flexible structure, it is intended a...
08/08/2006
7081287High performance thermoplastic vulcanizate
A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorin...
07/25/2006
7069956Marina piping
A marina pipe includes a flexible conduit resistant to mechanical stresses, the conduit adapted to surround the secondarily contained flexible piping. The conduit comprises a metallic core and a thermoplastic jacket. The secondarily contained flexible piping compris...
07/04/2006
7059354Refrigerant 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 transportation hose containing a tubular rubber layer in which refrigera...
06/13/2006
7055551Flexible pipe and method of manufacturing same
A flexible pipe and a method of manufacturing same according to which the pipe is formed by multiple layers of different materials and suitable for use in subsea and land-based applications. ...
06/06/2006
7040351Plastic tube, especially a pneumatic tube
A plastic hose, and more particularly a pneumatic hose, is provided with at least two electrical conductors extending along the hose body. These conductors are in the form of strips (11 and 12) of a metallized braid of plastic material or of natural fi...
05/09/2006
7036530Energy attenuation device for a fluid-conveying line and method of attenuating energy in such a line
An energy attenuation device for a fluid-conveying line, and a method for attenuating energy in such a line, are provided. The device includes one or more hose sections disposed in the fluid-conveying line, and at least one spring disposed in at least a portion of e...
05/02/2006
7029356Buoyancy control systems for tubes
Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an extern...
04/18/2006
7021339Brake hose for motor vehicle
A vehicle brake hose has inner tube rubber layer 1, first and second braided fiber reinforcing layers 2, 3 that are provided outside the inner tube rubber layer 1, and an outer tube rubber layer 5 that is provided outside the second braid...
04/04/2006
7017616Reinforced 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 an upper yarn layer, and a lower yarn layer. Polyester yarn having a...
03/28/2006
7004201Vibration absorbing hose
A vibration absorbing hose has a corrugated portion extending substantially entire part of the hose and end portions of straight cylindrical shape. The vibration absorbing hose has multi-layered construction of tubular inner rubber layer, pressure resistant reinforc...
02/28/2006
6994119Fiber reinforced hose
A flexible fiber inforced hose comprises an inner rubber layer, an outer rubber layer, and a fiber reinforced layer provided between the inner rubber layer and the outer rubber layer, wherein the fiber reinforced layer is constructed by using a reinforcing fiber of ...
02/07/2006
6983769Vibration absorbing hose
A vibration absorbing hose including a corrugated portion has multi-layered construction of tubular inner rubber layer, pressure resistant reinforcement layer formed on an outer side of the inner rubber layer by providing reinforcing yarns. A radial depth B of the p...
01/10/2006
6978805High pressure flexible hose
A flexible, thermoplastic hose for high pressure and high velocity flow is provided with a flexible braided reinforcement layer with a static drain therein for conducting static electricity towards a ground. This is achieved by having at least one textile fiber yarn...
12/27/2005
6978804Systems and methods for pipeline rehabilitation
The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi...
12/27/2005
6966344Device for limiting the lateral buckling of armouring plies of a flexible pipe
For limiting the lateral buckling of tensile armor plies of an underwater flexible pipe, that can be used in the offshore oil industry, the plies include from the outside inward, at least one external polymer sheath, a first outward retention layer of a defined thic...
11/22/2005
6949282Contoured crushable composite structural members and methods for making the same
The present invention provides contoured crushable composite structural members and methods for making the same. The contoured structural members comprise composite materials sandwiching a support or stabilizing structure. The contoured structure can be provided by ...
09/27/2005
6949410Flip chip in leaded molded package and method of manufacture thereof
A chip device that includes a leadframe, a die and a mold compound. The backside of the die is metallized and exposed through a window defined within a mold compound that encapsulates the die when it is coupled to the leadframe. Leads on the leadframe are coupled to...
09/27/2005
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