Tue, 26 May 2015 08:00:00 EDTA method and apparatus for joining materials having primarily ferritic properties is described. The method includes joining the ferritic materials using a welding process and a weld material having a primarily austenitic microstructure. The resulting weldment enhances the properties of yield ratio, uniform elongation, toughness and tearing resistance thereby producing superior strain capacity. High strain capacity produces a structure that accommodates high axial loading. The weldment can also accommodate larger than conventional weld flaws while maintaining sufficient strength, tearing resistance, and fracture toughness under high axial loading.
Tue, 26 May 2015 08:00:00 EDTA process of producing profiles whose cross-section is variable in the longitudinal direction, characterized by the process stages of cutting a blank 31 with a substantially constant width along a longitudinal direction, deforming the blank 31 by deep-drawing to form an open profile whose cross-section is variable along the longitudinal direction, and cutting the flanges projecting from the open profile.
Tue, 26 May 2015 08:00:00 EDTA molded thermoplastic article including a hollow body is provided, the article comprising a first layer, and a foamed second layer, the first layer and foamed second layer defining a wall structure, the foamed second layer having a lighter density relative to the first layer. In the wall structure, the ratio of the first layer to foamed second layer varies along the length of the article.
Tue, 26 May 2015 08:00:00 EDTAn integral hose anti-collapse rib comprises a unitary body having a first cantilevered portion curved in a first direction. This first cantilevered portion defines a first end. A second cantilevered portion is curved in a direction opposite the direction of the first cantilevered portion, in a direction facing the first cantilevered portion. The second cantilevered portion also defines a second end disposed at an opposite extent of the rib from the first end. The hose anti-collapse rib also comprises a locking mechanism that locks the first end of the rib to the second end of the rib, such that the first and second cantilevered portions together form a generally circular shape. However, in a relaxed state in which the locking mechanism is not engaged, the rib preferably defines a non-circular, generally spiral shape.
Tue, 26 May 2015 08:00:00 EDTA polymer tube for conducting a pipe buried underground, having a plurality of RFID tags arranged at regular intervals along the tube and a protective layer of the RFID tags.
Tue, 26 May 2015 08:00:00 EDTA device for controlling fluid flow pressure and flow rate is disclosed. The device includes a first orifice plate, a second orifice plate housed in a tubular structure. The first orifice plate includes a first orifice of a first diameter (d1) and the first orifice is positioned near an edge of the first orifice plate. The second orifice plate includes a second orifice of a second diameter (d2) and the second orifice is positioned near an edge of the second orifice plate. The tubular structure has an effective diameter (D) comprising the first orifice plate and the second orifice plate placed at perpendicular direction to the fluid flow within the tubular structure, separated by an optimum distance (X).
Tue, 26 May 2015 08:00:00 EDTAn accumulator assembly is includes a piston located within a pressure canister. The pressure canister has a piston stop therein. The piston stop is located radially outboard of a biasing member or spring located within the pressure canister between the pressure canister and the piston. A support bracket is disposed on an end of the pressure canister in alignment with the spring. The outboard piston stop and the support bracket reduce the stresses due to reaction forces when the accumulator assembly is fully charged. By reducing the stresses due to reaction forces, the accumulator assembly can be made from steel casting or plastic molding without sacrificing the charge capacity of the accumulator assembly.
Tue, 19 May 2015 08:00:00 EDTThe present invention relates to an improved grill grate wherein an automated cooking oil system is incorporated into the design of said grill grate. The invention includes a grill grate that has a plurality of outlet holes that align the top surface of the grill grate. The invention also includes a cooking oil pumping system that is in connection with the grill grate.
Tue, 12 May 2015 08:00:00 EDTA device for withdrawing heat energy from air. The device includes a layer of a substantially hydrophobic coating on a heat exchange surface. The coating has a lower surface tension than water, to repel water and prevent the formation of water condensation on the surface. For example, the coating can be a fluoropolymer such as 1,1,2,3,3,3 hexafluoropropene.
Tue, 12 May 2015 08:00:00 EDTThe present invention relates to a pre-stressed insulated tubing, including an inner tube (3) and an outer tube (2) nested outside of the inner tube (3), and a closed ring cavity is formed between the inner tube (3) and the outer tube (2), wherein an insulated casing (4) is arranged in the closed ring cavity. The pre-stressed insulated tubing of the present invention features high vacuum degree, high thermal insulation level and long working life, and the insulated casing is reusable for cost saving.
Tue, 12 May 2015 08:00:00 EDTA pipe for underwater transportation of fluid is indicated which includes a pressure-tight metal inner pipe for conducting the fluid, wherein for its stabilization in radial direction at least one profiled metal strand and for stabilizing in the axial direction at least one tension-proof strand are wound around the inner pipe. The inner pipe (1) is a metal pipe which is corrugated transversely of its longitudinal direction and which for stabilization in the radial direction is surrounded by at least one first radial reinforcement (3) which is composed of a profiled helically extending profile strip whose windings are placed closely next to each other or engage each other and are hooked together. Arranged around the first radial reinforcement (3) is arranged a metal pipe corrugated transversely of its longitudinal direction as the outer pipe (5); at least two layers of tension-proof strands (7, 8) are wound around the outer pipe (5), preferably with oppositely directed pitch.
Tue, 12 May 2015 08:00:00 EDTAn assembly and a method for reinforcing or repairing one or more segments of an existing pipeline, without taking the pipeline out of service and without the need for disassembling the existing pipeline segments that are to be repaired. The assembly incorporates a metallic reinforcement pipe, a front seal ring, a rear seal ring, a front seal ring retention assembly, a rear seal ring retention assembly, and a self-hardening medium receiver. The reinforcement pipe and the seal rings create an annular space between the respective ends of the reinforcement pipe and the external surface of the existing pipeline. The seal rings, seal ring retention assemblies, and the flexible reinforcement pipe, accommodate out-of-round and joint angular displacement conditions of the existing pipeline. A self-hardening medium is injected into the annular space and pressure is maintained on the medium until the medium has set.
Tue, 12 May 2015 08:00:00 EDTThe present invention relates to sealing means made of a plastically deformable material for mechanical sealing of hollow hoses (2) of elastic material by means of an appliance having at least two jaws, at least one of which is movable towards and away from the other and which, when moving towards each other, crimp the sealing means against the hose (2) for contamination-tight sealing of the same, the sealing means (20) comprises at least one sealing member (4, 4′; 44, 44′; 64, 64′; 74, 74′; 84), which has two opposite ends and an opening (40, 40′) that extends between said ends to allow the at least one sealing member to be slipped onto the hose (2) to be sealed. The present invention also relates to a kit comprising a sealing means and an appliance for sealing of hollow hoses and to a method for mechanical sealing of hollow hoses.
Tue, 12 May 2015 08:00:00 EDTAn open ended cap for a pipe is provided comprising a flexible tubular body wherein one end has a downwardly-extending radial rim. The tubular body includes a finger grip member recessed from the end of the cap and extending inwardly from an inner periphery of the rim and connected to a tear strip extending across the rim and downwardly along at least a portion of the tubular body. The tubular body optionally has an interior wall surface having multiple compressible longitudinal fit beads which are configured to provide contact with the external surface of a pipe upon being inserted into the end cap. The open ended cap may be used in conjunction with a closed end cap fit within the bore of the pipe to maximize protection of both the exterior and interior of the pipe.
Tue, 12 May 2015 08:00:00 EDTA method of isolating a section of pipe includes the steps of locating a seal unit having two seal elements in a pipe via a penetration in the pipe, such as a branch or tee. The seal unit is then positioned in the pipe downstream of the penetration. The seal elements are activated using a primary activation mechanism to engage the pipe wall and then maintained in an activated condition using a secondary activation mechanism.
Tue, 12 May 2015 08:00:00 EDTA hydraulically installed tube plug with or without O.D surface enhancements and plug installation tooling, high pressure fluid system and method. The invention stops leaks in tubes with a plug that utilizes controlled high pressure fluid within the plug itself to radially expand the plug in place. Other plugs and plugging systems rely on mechanical methods for setting the plugs in the tubes with little or no control on the radial pressure applied to the tube. This lack of radial pressure control can result in a tubesheet ligament being over stressed (plastically deformed) or not enough pressure applied to stop the leak. The plug high pressure expansion tooling is designed with built in safety components that allow high pressure hydraulic expansion methods to be used safely in blind holes. The high pressure fluid system's design allows it to be used in hazardous environments.
Tue, 12 May 2015 08:00:00 EDTAn accumulator of the invention is provided with a safety mechanism for an emergency which releases an internal pressure of the housing to the oil port side so as to prevent the housing from being exploded by the internal pressure of the housing which comes to a higher pressure in an emergency, for example, occurrence of fire disaster. The safety mechanism for the emergency has a taper portion in a corner portion between the tubular portion and the end surface portion of the stay. The taper portion is buckled at its root position in the emergency. In the case that the taper portion is buckled, a pressure releasing flow path is formed between the bellows cap or the retained member and the taper portion as well as the bellows cap or the retained member and the end surface portion come away. The stay can be manufactured only by press molding.
Tue, 05 May 2015 08:00:00 EDTA coating material in laminate form, intended for an insulation system for installation elements such as pipes, containers, and ventilation ducts. The insulation system includes a surface that the coating material must cover. The coating material has an outer, first layer made of metal foil, for example an aluminum foil, having a thickness within the 20 to 100 mm and more preferably 30 to 60 mm range, together with a plastic layer placed between the metal foil first layer and the surface of the insulation system.
Tue, 05 May 2015 08:00:00 EDTA scroll compressor is provided with a buffer portion (113b) having an increased diameter at an intermediate part of a discharge port (113). A refrigerant discharged from compression chambers (p) is introduced into the buffer portion (113b), and temporarily stays thereat. Then, the refrigerant is discharged to a discharge plenum (150), thereby reducing a pulsating pressure. Accordingly, noise occurring when the refrigerant discharged from the compression chambers (p) collides with the discharge plenum (150) is reduced, thereby greatly reducing noise of the scroll compressor.
Tue, 05 May 2015 08:00:00 EDTA support for pipes uses a telescoping strut slidably holding an elongated insert with a threaded post extending outward from the insert, through a slot in the C-shaped cross-section of the struts. A bracket fits over the post and abuts supports opposing edges of the strut. A nut on the post clamps the parts immovably together. The bracket has a depending portion extending below the strut with an opening through which a pipe passes. Two threaded couplers with opposing ramped surfaces encircle the pipe and deform when tightened to clamp the pipe while also clamping opposing sides of the depending portion.
Tue, 05 May 2015 08:00:00 EDTThe present invention relates to an apparatus for inspecting and monitoring flexible collection and production lines in real time, rendering possible constant tracking of the condition of the internal structures of a flexible riser, specifically of the tensile armor thereof. The device may be provided at any point along the riser ensuring the establishment of an area of physical and visual contact directly over the surface of the tensile armor of the riser for the installation of equipment for analysis, which area permits further accesses without destroying the sealing of the chamber there formed.
Tue, 05 May 2015 08:00:00 EDTA 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 substrate, an outwardly radial compartment formation constructed with strip portions of substrate material which form gaps to accommodate outwardly expanding radial dimensions and containing an insulating member, and an outer covering member delivered to a larger radial circumference at an applied circumferential speed exceeding the circumferential speed of the inner diameter substrate tube formation rate.
Tue, 05 May 2015 08:00:00 EDTThe composite tube comprises a tubular arrangement of knitted fiber characterized by a plurality of interlocking loops. Selected knitted patterns provide desired density or spacing between fibers. Selected fibers may include materials such as Kevlar®, carbon fiber, and combinations thereof. The tubular knitted pattern allows for variable electrical, mechanical and geometrical options. A matrix material is applied over the knitted fiber pattern and is allowed to cure. The matrix material may include a combination of resin and epoxy constituents. The matrix material may be applied by a vacuum bag molding process. Electrical and mechanical properties can also be controlled by selecting desired resin and epoxy constituents. The flexible knitted reinforcing layer allows use of an inflatable bladder to hold the reinforcing layer in the desired shape, thereby facilitating tube constructions of varying shapes and diameters. Continuous application of the matrix material avoids overlapping seams that are prone to delamination.
Tue, 05 May 2015 08:00:00 EDTA self-actuated linearly retractable and extendible hose for use in transporting fluids (liquids, gases, solid particles, and combinations of these) between a source location and an output location can be implemented as an extendible hose comprising a biasing element, a sealing layer, and a reinforced cover layer. The sealing layer forms a sealed conduit for transporting the fluids, and the reinforced cover layer on the outside provides radial and longitudinal strength for the sealing layer. The hose can be operated by increasing internal pressure within the hose relative to ambient pressure. When the hose is pressurized by a fluid source, the internal pressure of the hose overcomes the retracting force of the biasing element and the hose extends. When the fluid source is turned off or disconnected from the hose, internal pressure is reduced and the biasing element exerts a tension force on the hose causing the hose to retract.
Tue, 05 May 2015 08:00:00 EDTAn apparatus including a fairing having a tail portion and an end portion capable of suppressing a vortex-induced vibration of a tubular. The apparatus further including a stabilizing member attached to the end portion of the fairing, the stabilizing member dimensioned to increase a thickness of the end portion of the fairing and a flange member attached to the stabilizing member, the flange member dimensioned to increase a chord dimension of the fairing so as to improve a stability of the fairing.
Tue, 05 May 2015 08:00:00 EDTA plug for heat-conducting tubes is equipped with: a plug main body, which is formed so as to be capable of being inserted into the heat-conducting tubes; a columnar member, which is capable of being inserted into and removed from the plug main body from the cylindrical open end of the plug main body, and has at its outer circumference a tapered surface; and a wedge member, which is formed so as to be capable of being inserted into and removed from the plug main body from the cylindrical open end of the plug main body, and has at its inner circumference a tapered surface which opposes the tapered surface of the columnar member when the wedge member is inserted into the plug main body.
Tue, 05 May 2015 08:00:00 EDTA valve array includes a reservoir containing a pressurized fluid, a non-return valve and a seat valve that is actuatable so as to allow the fluid to flow out of the reservoir. The seat valve is configured as a pilot control valve connected to the reservoir such that, in an open condition of the seat valve, a smaller amount of the fluid flows out of the reservoir via the seat valve and a larger amount of the fluid flows out of the reservoir via the non-return valve.
Tue, 05 May 2015 08:00:00 EDTAn apparatus is supplied for a self adjusting regulator suited for an irrigation emitter. A curved flow channel is integrated into a concave dome shaped surface. A deformable member deforms to approach the surface to adjust the resistance to flow. The concave dome shaped surface may match a deformed shape of the membrane. Irregularities in the interface between the surface and the deformable member are configured to achieve a desired discharge under varying flow conditions. The deformable member may activate an inlet filter cleaner by pushing a ram and thereby unclogging the filter.
Tue, 05 May 2015 08:00:00 EDTDisclosed are methods and premade and/or prepositioned kits for bypassing damaged or blocked standpipes during fire or other emergencies to quickly restore water supply near the location of the fire. More specifically, an illustrative embodiment includes a method for bypassing a damaged standpipe during a fire emergency, comprising: identifying (a) the approximate location of said damage, (b) a first valve on said standpipe below said location, and (c) a second valve on said standpipe above said location; shutting the water supply to said standpipe; cutting a first section out of the standpipe immediately above said first valve, thereby leaving a first open section of standpipe above said first valve; cutting a second section out of the standpipe immediately below said second valve, thereby leaving a second open section of standpipe below said second valve; capping said first and second open sections; connecting flexible tubing from said first valve to said second valve; and restarting the water supply to said standpipe.
Tue, 05 May 2015 08:00:00 EDTA protective cover for an exposed end of a rebar has a collar with a closed end and an open end and a cap disposed within the collar. The cap has a closed end and an open end that is exposed to the open end of the collar such that an end of a rebar that is introduced into the open end of the collar will extend into the open end of the cap.
Tue, 28 Apr 2015 08:00:00 EDTA method for determining a position using digital pixel data includes receiving pixel data from a position sensor device at a controller, sorting the received pixel data into pixel banks using the controller, identifying a maximum bank, a close bank, and a far bank using the controller, calculating a close to max ratio using a first equation and a max to far ratio using a second equation using the controller, and determining a position based on said close to max ratio and said far to max ratio.
Tue, 28 Apr 2015 08:00:00 EDTA pipe assembly for a district heating network, comprising a first pipe, a second pipe and, surrounding the first pipe, a first insulating layer arranged to reduce heat transfer from the first pipe outwards in a radial direction, the first pipe being arranged for a first heat transfer medium flow and the second pipe being arranged for a second heat transfer medium flow. The pipe assembly comprises a heat transfer device arranged to transfer heat from an outer surface of the first insulating layer to the second pipe, and a second insulating layer arranged to reduce heat transfer from the heat transfer device and the second pipe outwards in the radial direction, the thermal conductivity of the heat transfer device being substantially better than the thermal conductivity of the first insulating layer and the thermal conductivity of the second insulating layer.
Tue, 28 Apr 2015 08:00:00 EDTA flexible pipe body and a method for manufacturing flexible pipe body is disclosed. The flexible pipe body includes an internal pressure sheath, at least one insulating layer comprising a mesh layer comprising a plurality of pockets and an outer sheath.
Tue, 28 Apr 2015 08:00:00 EDTCorrosion of the steel components used in fire sprinkler systems that are exposed to salt air along seawater coastlines leads to costly repairs or the possible catastrophic failure of a life safety fire sprinkler system. Salt Guard provides a unique, specific, and particular method to protect steel piping using a combination of materials that are readily available on the market. The National Fire Protection Association #13, Standard for the Installation of Sprinkler Systems, does not define a method for “Protection of Piping Against Corrosion”, although the Standard requires it. Salt Guard improves on that Standard by defining a particular combination of materials to be used and a method for application of those materials to achieve the required corrosion protection and additionally provide corrosion prevention for the owner.
Tue, 28 Apr 2015 08:00:00 EDTA method to form a pipe system which meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol, for use in oil, gas, exploration, refining and petrochemical applications is provided. In the pipe system, each pipe section comprises a plurality of layers, an inner layer in contact with the corrosive petroleum product comprising a thermoplastic material, a structural layer comprising a composite material, and an outer layer comprising a fire resistive material. The method comprises applying energy to join the corrosion resistant layers of the separate pipe sections together forming a joint, applying an external wrap around the joint and at least a portion of the composite structural layers of the at least two pipe sections, and bonding the external wrap to the joint and the composite structural layers by chemical curing, thermal treatment, or combinations thereof.
Tue, 28 Apr 2015 08:00:00 EDTA pipeline regeneration pipe, with which necessary strength can be ensured by way of the inserted regeneration pipe itself without the necessity of grouting, includes an inner wound flexible resin layer 5d which constitutes the inner layer of a straight pipe part 5b, an outer wound flexible resin layer 5e laminated on the outer surface of the inner wound flexible resin layer and constitutes the outer layer of the straight pipe part, and a protruded rim part 5c helically formed on the outer surface of the outer wound flexible resin layer, the protruded rim part 5c being configured by a rigid-resin core 5g helically wound, and a core-covering part 5f integrated with the outer wound flexible resin layer so as to surround the rigid-resin core.
Tue, 28 Apr 2015 08:00:00 EDTThe invention relates to a device (1) for renovating a pipe, the latter being provided with at least one opening arranged in the wall of the pipe, said device (1) having a base unit (2) that can be introduced into the pipe, a clearing unit (3) that is movable relative to the base unit (2), and an electronic sensor arrangement for detecting the instantaneous position of the clearing unit (3) relative to the base unit (2). To make available a novel device (1) for renovating a pipe provided with at least one opening arranged in the wall of the pipe, which device permits reliable and inexpensive repair of the pipe, the invention proposes that at least one electronic inclination sensor is arranged on the base unit (2).
Tue, 28 Apr 2015 08:00:00 EDTThe invention is a deployable culvert plug system having an elongated handle assembly with a hollow conduit, a distal end with a junction block in fluid communication with the conduit and a hinge assembly having a handle mounting plate, and a proximal end having a handle and a gas control valve for retaining a removable gas cylinder containing a pressurized gas. The gas control valve has valve trigger which selectively applies pressurized gas to the conduit. A bladder assembly having a bladder mounting plate is removably connected to the handle mounting plate, a bladder is attached to the bladder mounting plate, a check valve assembly allows pressurized gas to enter the bladder, and a hose selectively connects the check valve assembly to the junction block.
Tue, 28 Apr 2015 08:00:00 EDTThe present invention is an intelligent flow control valve which may be inserted into the flow coming out of a pipe and activated to provide a method to stop, measure, and meter flow coming from the open or possibly broken pipe. The intelligent flow control valve may be used to stop the flow while repairs are made. Once repairs have been made, the valve may be removed or used as a control valve to meter the amount of flow from inside the pipe. With the addition of instrumentation, the valve may also be used as a variable area flow meter and flow controller programmed based upon flowing conditions. With robotic additions, the valve may be configured to crawl into a desired pipe location, anchor itself, and activate flow control or metering remotely.
Tue, 28 Apr 2015 08:00:00 EDTA conduit protection system, comprising: a conduit for carrying a fluid; a sealed vessel surrounding the conduit along a protected zone of the conduit; and a valve moveable between a first position for obstructing fluid flow through the protected zone of the conduit and a second position for enabling fluid flow through the protected zone of the conduit, wherein the valve is biased to the first position, and wherein the valve is fluidically coupled to the sealed vessel such that a positive pressure within the sealed vessel is operable to move the valve to the second position against the bias. Also, a method for protecting a fluid carrying conduit.
Tue, 21 Apr 2015 08:00:00 EDTA fiber optic adapter module is disclosed. The fiber optic adapter module includes a molded one-piece housing including a first end and a second end, the housing including a plurality of passages extending from the first end to the second end, each passage configured to interconnect two cables terminated with fiber optic connectors. The housing is movably mounted on a fixture, wherein the module is movable relative to the fixture along a line of travel that is non-parallel to longitudinal axes of the openings.
Tue, 21 Apr 2015 08:00:00 EDTTo provide a steel fuel conveying pipe which has high resistance to corrosive fuel and maintains reliability without damaging a direct-injection engine, and connects a high-pressure pump and a direct-injection rail with each other in a gasoline direct-injection engine system, and a fuel conveying pipe suitable as a bypass pipe for coupling direct-injection rails with each other in a V-type gasoline engine. A steel fuel conveying pipe for conveying gasoline is characterized in that a Ni-plated layer is provided on the whole inner circumferential face of the fuel conveying pipe, and an anti-rust film layer composed of a Zn-plated layer and a Zn-based alloy-plated layer is further provided on the Ni-plated layer at at least one end of the fuel conveying pipe.
Tue, 21 Apr 2015 08:00:00 EDTA seamless and integrated textile innerduct having: a warp composed of polyester monofilament yarns and a weft composed of polyester multifilament yarns, wherein the warp has 70-85 ends per inch, the weft has 14-25 ends per inch, the warp and weft are integrated seamlessly to form an elongated enclosure having breaking strength of at least 1000 pounds, a vertical retraction rate of less than 3% at 150° C. for a duration of one hour, a longitudinal shrinkage rate of less than 3% at −80° C.; a pulling strip is placed inside the enclosure; the pulling strip is made of polyester multifilament yarns; and the inner duct is flexible and stretchable longitudinally.
Tue, 21 Apr 2015 08:00:00 EDTAn exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The method of manufacturing comprises the steps of providing a tubular sleeve formed of braided wire filaments and forming at least one end of the sleeve into shape using a forming die such that the at least one end of the cover includes a circumferential neck portion having a diameter smaller than the diameter of a body portion of the cover. In the method, the sleeve may be pressed between male and female forming dies in order to create the cover's desired shape, which can include a shoulder extending radially outwardly from the cover's neck portion and meeting the cover's body portion at a corner.
Tue, 14 Apr 2015 08:00:00 EDTA damping device includes a cylinder which is under pressure and which has a connection opening for a mount-on part which is fastened to an outer surface of the cylinder by means of an annular tensioning band element. The tensioning band element encircles the cylinder and the mount-on part on a circumferential region and, by its pretensioning, exerts a holding force on the mount-on part. The tensioning band element is underdimensioned in relation to the cross section of the cylinder and mount-on part and the distance between the two structural component parts and is expanded in a final mounting position in relation to a pre-mounting state in order to apply the pretensioning.
Tue, 14 Apr 2015 08:00:00 EDTA pipe having variable cross section and including a working core pipe, capillary pipes or sheets, an outer pipe, a connection support, and a cavity. The capillary pipes or sheets are attached to an external surface of the working core pipe. The connection support connects the working core pipe and the outer pipe. The cavity is formed between the working core pipe and the outer pipe and has variable cross section.
Tue, 14 Apr 2015 08:00:00 EDTAn apparatus and method for repairing defects in composite materials using a tapered disk sized to fit the part being repaired. Also included is a bolt sized to fit through a central hole in the disk. A spring is positioned on the bolt with a washer. A nut is attached to the end of the bolt and tightened to place pressure on the washer to compress the biasing device. An adhesive is applied to the tapered disk prior to engaging the composite material. A threaded bushing is used to fixedly attach a second bolt completely in the hole.
Tue, 14 Apr 2015 08:00:00 EDTA plug for a connector includes an insertion portion, and the insertion portion includes an O-ring abutment portion and a creep prevention portion. Also, when the insertion portion of the plug for a connector is inserted in a mouth portion of a connector, the O-ring abutting portion abuts against an O-ring mounted inside the connector, and closes the mouth portion of the connector. Also, the creep prevention portion prevents a creep of a lock member which is in a standby position.
Tue, 14 Apr 2015 08:00:00 EDTA hollow, cylindrical water hammer arrestor includes an axial passage; two externally threaded extensions disposed at both ends respectively, each of the externally threaded extensions having a diameter less than that of the axial passage; a plurality of first rings disposed in the axial passage, each of the first rings having a plurality of teeth formed on an inner surface; and a plurality of second rings disposed in the axial passage, each of the second rings having a smooth inner surface. The first and second rings are alternately disposed from one end of the axial passage to the other end in the axial passage.
Tue, 14 Apr 2015 08:00:00 EDTDisclosed is a device for causing turbulent flow in a tank assembly that includes, inter alia, a base portion and a vane element that extends in an axial direction from the base portion. The vane element has a curved surface formed at a distal end thereof which is adapted and configured to redirect fluid traversing the device axially in a non-axial direction. Still further, a plurality of shoulder elements extend radially outward from the axis of the vane element and are adapted and configured for limiting that axial insertion of the device into a fitting associated with the tank assembly. In an embodiment of the present invention, the vane element includes lateral edges which are adapted and configured for press-fit engagement with an inside diameter of the fitting associate with the tank assembly.