Abstract: Flexible pipe body for transporting fluids from a sub-sea location includes a carcass layer comprising adjacent interlocked annular elements each comprising a body portion that extends around an inner circumference of a bore region and a channel region provided within the body. A method of manufacturing flexible pipe body is also disclosed.

Abstract: This invention relates to mutant enzymes with enhanced properties and processes for oxidation of organic compound substrates using such enzymes.

Abstract: A method and apparatus are disclosed for determining a bending radius of a flexible pipe. The apparatus includes at least one bend sensor element comprising an elongate flexible substrate and at least one bend sensitive element on the substrate that has at least one electrical characteristic that is responsive to angular displacement of the substrate. The apparatus also comprises a flexible crush resistant elongate housing that supports and surrounds the bend sensor element.

Abstract: In order to prevent excessive motor loading or system overheating due to the accumulation of particulate or dust, from SACVD type CVD processes, in the running clearances of the vacuum pump a vacuum pumping arrangement is provided having a plurality of vacuum pumping stages and comprising a first pump inlet through which process fluid from the vacuum chamber can enter the pump and pass through each of the pumping sections towards a pump outlet, and a second pump inlet through which process fluid can enter the pump and pass through only one or more pumping stages downstream of the most upstream pumping stage, wherein the apparatus configured to conveying process fluid from the vacuum chamber to the first pump inlet for pumping during the second processing step and conveying process fluid from the vacuum chamber to the second pump inlet for pumping during the first processing step.

Abstract: A flexible pipe body comprising an elongate curvature sensor and a tensile armour layer. The elongate curvature sensor incorporates a strain sensor arranged to provide an indication of bending strain applied to the curvature sensor. The tensile armour layer comprises helically wound tensile armour wires. The curvature sensor is positioned within the tensile armour layer helically wound adjacent to at least one tensile armour wire such that bending strain applied to the flexible pipe body is transmitted to the curvature sensor. The curvature sensor is smaller than an adjacent tensile armour wire in at least one of depth and width and arranged to slide longitudinally relative to the adjacent tensile armour wire.

Abstract: An elongate element (300) for a flexible pipe body (100) and method of producing the same are disclosed. The method includes inserting a first fiber element (304) in a crush resistant elongate tube element (302), wherein the first fiber element is suitable for monitoring at least one of strain, temperature and acoustic properties; inserting a further fiber element (306) in the tube element, wherein the further fiber element is suitable for curing a matrix material (308); and inserting a matrix material into the tube element to fill at least a length of the tube element such that the first and further fibers elements within that length are surrounded by matrix material.

Abstract: A detection apparatus and method arranged to detect defects within a flexible pipe at least partially surrounded by seawater. The detection apparatus comprises a seawater electrode, an impedance monitor and a processor. The seawater electrode is arranged to be in contact with seawater surrounding at least part of a flexible pipe. The impedance monitor is arranged to measure the impedance between a metallic structural component of the flexible pipe extending at least partially along the length of the flexible pipe and the seawater electrode in response to an electrical test signal applied to the seawater electrode. The processor is arranged to determine the distance from the seawater electrode to a pipe defect electrically connecting the metallic structural component to seawater using the measured impedance.

Abstract: A flexible pipe body and methods of producing a flexible pipe body are disclosed. The method may include providing a tubular length of polymeric material for forming a polymeric layer of flexible pipe body; providing a strength layer radially outwards of the polymeric layer; and treating the polymeric layer with a non-ambient temperature and pressure.

Abstract: An apparatus for maintaining a support platform and a payload mountable thereon in near neutral equilibrium relative to a base structure. The support platform is spaced from the base structure by a plurality of actuators which provide the support platform with six degrees of freedom relative to the base structure about longitudinal, lateral and vertical axes. A substantially upright strut is mountable between the base structure and support platform for supporting the weight of the support platform and payload. First and second balance assemblies counteract forces imparted on the strut when the payload is moved or pivoted longitudinally and/or laterally. The forces counteracted by the first balance assembly and the second balance assembly reduce the load imparted on the actuators by the payload.

Abstract: A method for manufacturing flexible pipe body and flexible pipe body of a type suitable for transporting production fluids is disclosed. The flexible pipe body includes an armour layer comprising interlocked windings of armour tape comprising at least one armour locating element and a reinforcement layer comprising a layer of reinforcement tape comprising at least one reinforcement locating element over the armour layer. The armour locating element and reinforcement locating element locate windings of the reinforcement tape with respect to respective windings of the armour tape.

Abstract: A method and apparatus for causing attrition to an outer surface of a food product to provide a removed portion of the food product and a remainder of the food product. In a first aspect, an abrasive stream contacts the outer surface of the food product, thereby separating at least a portion of the outer surface of the food product from the remainder of the food product to provide the removed portion of the food product. In a second aspect, the apparatus comprises a product positioner to position the food product in an attrition zone and a nozzle for discharging the abrasive stream into contact with the food product in the attrition zone. The abrasive stream can be food grade and can comprise a food grade fluid and a food grade abrasive, for example, air and salt, respectively.

Abstract: A detection apparatus arranged to detect defects within a flexible pipe body. The detection apparatus comprises an electrical power supply and a first meter. The electrical power supply is arranged to couple between, and to supply current to, first and second electrically conductive members extending at least partially along the length of a flexible pipe body and electrically isolated from one another except for being electrically connected at a point remote from the power supply. The first meter is arranged to detect variation between the current flowing in each electrically conductive member. Detected variation is indicative of a pipe body defect causing an Earth fault along one of the electrically conductive members. A corresponding method, a pipeline apparatus including the detection apparatus and a method of forming the pipeline apparatus are also disclosed.

Abstract: A pipeline apparatus comprising a flexible pipe body and a detection apparatus. The flexible pipe body includes an optical fibre extending at least partially along the length of the flexible pipe body, the optical fibre being encased in a metal tube. The detection apparatus comprises an optical sensor and an electrical sensor. The optical sensor is coupled to a first end of the optical fibre, the optical sensor being arranged to inject optical pulses into the optical fibre and to detect scattered or reflected light. The electrical sensor is coupled to a first end of the metal tube and to detect variation of an electrical impedance between the first end of the metal tube and a separate terminal. Variation of the scattered or reflected light, or impedance variation, is indicative of a potential pipe body defect.

Abstract: An elongate tape and method of producing an elongate tape are disclosed. The tape is suitable for forming a helically wound layer of interlocked windings in a flexible pipe body, and is configured for interlocking with adjacent windings, wherein the tape has a cross-sectional profile including: a first surface that in use forms a radially inner surface of the helically wound layer; a further surface, in use forming a side wall extending radially outwards, away from the first surface, and for forming a contact surface with a region of an adjacent winding; and a transition surface joining the first surface and further surface, wherein the transition surface comprises a curved surface, and wherein the curved surface has a larger radius of curvature in a region proximate the first surface than in a region proximate the further surface.

Abstract: A flexible pipe body and methods of producing a flexible pipe body are disclosed. The method may include providing a tubular length of polymeric material for forming a polymeric layer of flexible pipe body; providing a strength layer radially outwards of the polymeric layer; and treating the polymeric layer with a non-ambient temperature and pressure.

Abstract: An apparatus for maintaining a support platform and a payload mountable thereon in near neutral equilibrium relative to a base structure. The support platform is spaced from the base structure by a plurality of actuators which provide the support platform with six degrees of freedom relative to the base structure about longitudinal, lateral and vertical axes. A substantially upright strut is mountable between the base structure and support platform for supporting the weight of the support platform and payload. First and second balance assemblies counteract forces imparted on the strut when the payload is moved or pivoted longitudinally and/or laterally. The forces counteracted by the first balance assembly and the second balance assembly reduce the load imparted on the actuators by the payload.

Abstract: A method and apparatus for controlling a flow of a product over a product attrition bed, where the product comprises a plurality of product units, for example, potatoes. In one aspect, apparatus comprises a product attrition bed and an auger positioned above the product attrition bed. The auger comprises a flow restriction mechanism to restrict a discharge flow of the product from the auger. In a second aspect, the method comprises feeding the product to the auger to provide a product charge; substantially confining the product charge in a charge space; rotating the auger to move the charge space, and thereby the product charge, in the flow direction; and discharging the product charge from the auger through a flow restriction mechanism. In a third aspect, the method and apparatus controls the feed of product to the auger, for example, providing one control volume of product per revolution of the auger.

Abstract: A hernia repair implant includes a first layer for facing a body structure having a hernia defect to cover the defect while promoting tissue growth into the first layer from the body structure. The implant also includes a second layer opposed to the first layer and made of anti-adhesion material to prevent growth of tissue into the second layer from body structures contacting the second layer. Furthermore, the implant includes at least one engagement strap connected to the first layer and extending therefrom to terminate at a free end. The engagement strap defines opposed thin edges and opposed flat surfaces extending between the edges. At least one barb extends from at least one edge and/or at least one flat surface of the strap and is configured to impede motion of the strap in only a single direction.

Abstract: Apparatus and method of manufacturing a flexible pipe body are disclosed. The method may include providing a fluid retaining layer; wrapping a plurality of tensile armour elements around the fluid retaining layer; and wrapping a crush resistant elongate body that houses at least one fibre element around the fluid retaining layer and radially between two of the plurality of tensile armour elements. Matrix material provided in the elongate body may be cured subsequent to fitting the pipe body to an end fitting.

Abstract: An elongate metallic or polymeric or composite tape is disclosed along with a method of manufacturing such tape. The tape is of a type suitable for forming at least one helically wound layer of interlocked windings in a flexible pipe body for transporting production fluids. The tape is configured for interlocking of adjacent windings in the layer of tape by nesting a hooked region of a winding in a valley region of an adjacent winding. The tape comprises first and second elongate tape elements arranged in contacting relation.