Abstract: A part replacement method replaces a part of a refrigeration cycle apparatus including a compressor, a heat source side heat exchanger, an expansion device, a heat exchanger related to heat medium, and first and second refrigerant flow closing devices. The first and second refrigerant flow closing devices control a flow of a refrigerant into and out of an outdoor unit accommodating the compressor and the heat source side heat exchanger. The method includes a pump-down step of closing the first refrigerant flow closing device, allowing the refrigerant in a pressure reduction section to flow into the outdoor unit and reducing a pressure in the reduction section until a set pressure or time is reached, a flow closing step of closing the second refrigerant flow closing device, and a part replacement step of removing the part from the refrigerant circuit by heating to replace the part.

Abstract: A part replacement method for replacement of a part of a refrigeration cycle apparatus includes a refrigerant circuit in which a flammable refrigerant is circulated and a container connecting device for controlling the refrigerant such that the refrigerant is allowed to flow out of the refrigerant circuit. The method includes a refrigerant recovery step of allowing the refrigerant to flow out of the refrigerant circuit through the container connecting device, a pressure reduction step of connecting a pressure reducing device to the container connecting device to reduce a pressure in the refrigerant circuit until the pressure in the refrigerant circuit reaches a set pressure or a setting time is reached, and a part replacement step of removing the part from the refrigerant circuit by heating to replace the part.

Abstract: A heat pump operation method includes: obtaining, on a per time unit basis, generated power, load power, surplus power, and an impact magnitude; and controlling operation of the heat pump to cause the heat pump to consume an amount of power for generating heat adjusted to follow the surplus power obtained on a per unit time basis. In the controlling, when the impact magnitude is greater than a predetermined first threshold value, the operation of the heat pump is controlled to permit consumption of the power supplied from an energy supplier and approximate a reverse flow of the surplus power to zero, and when the impact magnitude is less than or equal to a predetermined second threshold value, the operation of the heat pump is controlled to permit the reverse flow of the surplus power and approximate the consumption of power supplied from the energy supplier to zero.

Abstract: A method for controlling a supply of refrigerant to an evaporator (5) of a vapour compression system (1), such as a refrigeration system, an air condition system or a heat pump, is disclosed. The vapour compression system (1) comprises an evaporator (5), a compressor (2), a condenser (3) and an expansion device (4) arranged in a refrigerant circuit. The method comprises the steps of: Actuating a component, such as an expansion valve (4), a fan or a compressor (2), of the vapour compression system (1) in such a manner that a dry zone in the evaporator (5) is changed; measuring a temperature signal representing a temperature of refrigerant leaving the evaporator (5); analysing the measured temperature signal, e.g.

Abstract: A cooling system connected to the air inlet of an air cooled chiller, having at least one frame at least one net through winch the air absorbed by the chiller is passed, at least one liquid spraying component performing spraying, on the front part of said net's outer surface not facing the chiller, contrariwise to tie chiller and to the incoming direction of air, at least one liquid supply kit sending liquid to said liquid spraying component and at least one liquid transmission instrument carrying the liquid from the liquid supply kit to the spraying component. A cooling method wherein this system is used is also provided.

Abstract: An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.

Abstract: In an air-conditioning apparatus including a refrigerant circulating circuit A and a heat medium circulating circuit B that performs passing of heat to and from the refrigerant circulating circuit A, the heat medium circulating circuit is a closed circuit, the maximum pump head Pp of a pump of the heat medium circulating circuit is 150 kPa or more, and a pressure near at least a suction side of the pump is set to a charged pressure that is maintained equal to or higher than the atmospheric pressure during operation of the pump.

Abstract: An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.

Abstract: There is provided a product merchandising display device for cooling products therein and associated methods. The product merchandising display device may include a housing having a tub portion, and a source of water to supply an integrated ice making system. The ice making system dispenses ice into the tub portion, and melted water is removed from the tub portion and recycled to the production of ice by the ice making system. The system provides an interactive experience to the consumer to enhance its attractiveness and impulse sales therefrom. The invention provides an attractive, inviting display in which the articles for sale are made conveniently accessible while providing a display of light and movement of ice to attract the consumer.

Abstract: A refrigeration system including a primary circuit that has a compressor circulating a first heat exchange fluid and a heat exchanger located downstream of the compressor. The refrigeration system also includes a secondary circuit circulating a second heat exchange fluid that has micro-encapsulated phase change material in heat exchange relationship with the primary circuit via the heat exchanger. A refrigerated display case defines a product display area and has an airflow in heat exchange relationship with the primary circuit or the secondary circuit.

Abstract: The invention relates to a system for cooling a computing system, the computing system being cooled using at least two cooling circuits.

Abstract: An air conditioner performs heating operation by driving a compressor (21), the heating operation being performed while an indoor heat exchanger (13) serves as the high-temperature portion of refrigeration cycle and an outdoor heat exchanger (23) serves as the low-temperature portion of the refrigeration cycle. The air conditioner also performs defrosting operation for defrosting the outdoor heat exchanger (23) by flowing refrigerant in opposite direction of flow of the refrigerant in the heating operation. In the outdoor heat exchanger (23), a large number of fins (30) are affixed to refrigerant pipes (2) so as to close to each other. Air flow passes through between the fins (30) to perform heat exchange. A water introduction section (31, 32) for closing each of the gaps between the fins (30) at one end thereof in the air flow passage direction is provided at the lower end of the outdoor heat exchanger (23).

Abstract: A heat pump device heats a second heat medium to a high temperature with high efficiency by using a secondary-loop refrigeration cycle while achieving a cooling operation and a heating operation simultaneously in a state where reliability and efficiency are ensured. In a heat pump device, a heat medium relay unit and a water heating unit are each provided with two connection ports that are connectable to refrigerant pipes, a refrigerant circuit and a refrigerant circuit are connected to each other via a heat exchanger included in the water heating unit, and a second heat medium is heated in a heat exchanger.

Abstract: An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.

Abstract: A cooling apparatus having a closed cooling circuit for cooling objects to semi-cryogenic or cryogenic temperatures includes a compressor to compress a gaseous coolant, and from which the coolant exits in a compressed gaseous state, an after-cooler connected downstream from the compressor, whereby the coolant exits largely in gaseous form, a counterflow heat exchanger having a feed line and return line arranged in such a way that the compressed coolant is liquefied in the feed line as the relieved coolant flowing through the return line is being heated. A cooling head that is connected with the feed line and return line. A coolant can flow through the cooling head whereby the coolant evaporates. The cooling head is arranged in a vacuum chamber, which can be joined with a low-pressure source, and is joined by flexible connecting lines with the feed line and return line of the counterflow heat exchanger.

Abstract: A plant for CO2 separation is described that has a high security level, minimized energy consumption and can deliver liquid CO2 from the flue gas of a fossil fired power plant at different purity levels.

Abstract: A method for integrating a liquefied natural gas liquefier system with production of liquefied natural gas from a methane-containing gas stream. The liquefied natural gas is produced by feeding a methane-containing gas stream through a heat exchanger to a distillation column and liquefying the natural gas while capturing the gaseous nitrogen. The liquefied natural gas is captured and the nitrogen gas is recovered, fed through the heat exchanger to recover cold and purified.

Abstract: A process and a device for treating a carbon dioxide-containing flue gas stream are described. At least a part of the carbon dioxide present is removed from the flue gas stream by means of a scrubber, forming a low carbon dioxide gas stream and a high carbon dioxide gas stream. The high carbon dioxide and water-saturated gas stream formed from the flue gas stream after removal of the carbon dioxide is cooled by means of a refrigeration system 4 in a heat exchanger 3 below the dew point temperature of the water contained in the gas stream and dried by condensing and separating out the water in a condensate separator 5. The dried gas stream meets the requirements of carbon dioxide products intended for further use.

Abstract: A method of producing a liquid product stream, for example, a liquid nitrogen product stream, at a production rate that is selectively varied. This variation is produced in either a waste expansion or air expansion process by increasing the pressure and flow rate of the feed stream during periods in which a high rate of liquid production is desired without substantially increasing the pressure of the exhaust stream produced by a variable speed turboexpander. This increases the expansion ratio across the turboexpander and therefore the refrigeration supplied to increase liquid production. At the same time, the increase in flow rate prevents a decrease in the performance of the variable speed turboexpander.

Abstract: The invention relates to a method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air in a distillation column system for nitrogen-oxygen separation, said distillation column system having at least one high-pressure column (8) and one low-pressure column (460), wherein the low-pressure column (460) is in a heat-exchanging connection with the high-pressure column (8) by means of a main condenser (461) designed as a condenser-evaporator. Feed air is compressed in an air compressor (2). The compressed feed air (6, 734, 802, 840) is cooled down in a main heat exchanger (20) and at least partially introduced into the high-pressure column (8). An oxygen-enriched liquid (462, 465) is removed from the high-pressure column (8) and fed to the low-pressure column (460) at a first intermediate position (464, 467, 906).

Abstract: The present invention relates to a method for producing a doped quartz glass, containing: a raw material gas-forming step of vaporizing a liquid raw material containing a silicon compound and a sublimable organic metal compound to form a raw material gas, and a glass fine particle-forming step of feeding the raw material gas to oxyhydrogen flame and reacting the gas in the flame to form a glass fine particle.

Abstract: A glass base material elongating method of elongating a glass base material to make a diameter of the glass base material smaller by connecting a pulling dummy at an end of the glass base material and then gripping and pulling the pulling dummy with a pair of rollers that grip or release the pulling dummy is provided. The method includes forming a rough surface part on the pulling dummy before elongating the glass base material. The rough surface part may be formed by grinding the pulling dummy. Also, the rough surface part of the pulling dummy may have a roughness of 5 ?m or more.

Abstract: It is an objective of the present invention to provide a method for sintering a porous glass base material that can experience an earthquake or large vibration without the base material falling or decreasing in quality when performing sintering, dehydration, and transparent vitrification on the porous glass base material. Provided is a method of sintering a porous glass base material including sintering by lowering the porous glass base material vertically through a furnace from above while rotating the porous glass base material, the method comprising changing rotational speed of the porous glass base material during the sintering.

Abstract: Apparatus and methods are described herein for cleaving an optical element at a defined distance from a splice (or other reference point/feature) of the optical element within a desired precision and/or accuracy. In some embodiments, a method includes receiving an indication of a location of a feature in an intermediate optical assembly visible within an image of the intermediate optical assembly. The feature can be for example, a splice. A position of the intermediate optical assembly is translated relative to a cleave unit based on the indication. After translating, the intermediate optical assembly, the intermediate optical assembly is cleaved to form an optical assembly that has an end face at a location disposed at a non-zero distance from the location of the feature. In some embodiments, the location of the feature can be determined with an image recognition system.

Abstract: A circular knitting machine includes sinkers and selector jacks corresponding thereto that are provided as separate components. The selector jacks are arranged radially outside the sinkers, and are provided with selector butts such that the selector butts of circumferentially adjacent selector jacks are arranged at different radial positions. An actuator that acts on the selector butts is arranged radially outside the cylinder. The circular knitting machine prevents a failure of sinker selection, while increasing a rotation speed of a cylinder holding knitting needles.

Abstract: A knitting machine capable of changing a pile length includes a low-pile sinker and a high-pile sinker, a low-pile selector jack arranged on the rear end side of the low-pile sinker, a high-pile selector jack arranged on the rear end side of the high-pile sinker, an actuator operable to, when a pile yarn and a ground yarn are drawn in by a knitting needle, selectively perform the first control in which the actuator acts on the low-pile selector jack, the second control in which the actuator acts on the high-pile selector jack, and the third control in which the actuator does not act on any of the low-pile and high-pile selector jacks, and a cam operable to push out the selector jack subjected to the action of the actuator and the sinker which is in contact with the selector jack to an area between the knitting needles.

Abstract: One or more ergonomic crochet devices are provided herein. A crochet device may comprise a curved elongated shaft and/or a grip anchor. The curved elongated shaft may be configured to provide a depressed resting angle of the crochet device when held by the user at rest. The depressed resting angle may result in a hook of the curved elongated shaft being positioned at a lower position than conventional crochet devices when held at rest. In this way, reduced wrist flexing may be used to lower the hook into a crocheting angle and/or maintain the hook at the crocheting angle during crocheting activity. The grip anchor may be configured to create a pivot point of the crochet device near the grip anchor. In this way, small wrist motion may translate into large positional change of the hook in order to easily rotate and/or manipulate the crochet device during crocheting activity.

Abstract: A knitted fabric that has a three-dimensional appearance includes a plurality of knitting structures of different pile lengths. The knitting structures include a plain stitch of ground yarn and pile yarn, a low-pile stitch in which a sinker-loop length of the pile yarn is longer than that of ground yarn, and a high-pile stitch in which the sinker-loop length of the pile yarn is longer than that in the low-pile stitch. A pile motif is formed by selectively arranging, in the same course, the low-pile stitch and the high-pile stitch in a region of the plain stitches on a stitch-by-stitch basis or by selectively arranging, in the same course, the high-pile stitch in a region of the low-pile stitches on a stitch-by-stitch basis.

Abstract: A washing machine having a drying function is disclosed. The washing machine having a drying function may include a tub to receive wash water therein, a drum rotatably provided in the tub, to receive drying objects therein, a heater and a ventilation fan to generate hot air, a dry duct to guide the hot air into the drum, and cooling water supply means to supply cooling water to an outer circumferential surface of the drum to form a condensation surface, on which condensate is generated, on a surface of the drum.

Abstract: A drum type washing machine includes an annular recess formed in the front cover such that the annular recess is located immediately adjacent to a wall of the drum body; and a ball balancer including an annular-shaped racer having a closed internal space in which a plurality of balls and viscous oil are accommodated. The annular-shaped racer includes first and second injection molded members joined to each other to form the closed internal space. The ball balancer is supported by the annular recess formed in the front cover of the drum, and the ball balancer is configured to be attachable to the drum with the viscous oil and the plurality of balls already in the ball balancer.

Abstract: Provided are a slim type motor having a heat radiating structure, that quickly dissipates heat generated from the inside of the motor to the outside of the motor although the motor is formed in a slim structure, by implementing the slim structure with respect to a lengthy direction of a rotating shaft and simultaneously implementing the heat radiating structure that emits heat generated from a stator as a rotor rotates in opposition to the stator in a narrow space in view of the nature of the slim structure, and a direct drive washing machine.

Abstract: A bulk fluid dispensing system that can detect when priming has occurred is provided. The system can prime itself so as to remove e.g., air gaps that might affect the metering of a proper amount of a fluid such as laundry detergent or fabric softener into a wash chamber or wash bin of the appliance. A pressure sensor can be used to determine when such priming has occurred. Other features can be provided as well.

Abstract: The present invention is directed to exemplary embodiments of a combination disc padlock that may include a housing, a shackle positioned within a portion of the housing, the shackle having a curved shape with a first end that is never released from the housing and a second end that may be exposed from the housing when the padlock is in an unlocked configuration. The padlock may include a mechanism or other structure formed on or connected to the shackle that facilitates movement of the shackle between a closed position and an open position. The padlock may include a reset mechanism that prevents a user from accidentally changing a combination code of the padlock when the padlock is in the unlocked configuration, thereby requiring that the padlock be put into a reset mode in order to change the combination code.

Abstract: An example embodiment relates to preventing rotation of a barrel lock when opened by a key. At least one example embodiment includes a rotationally actuated barrel lock for securing electric meter boxes and the like, and a spring loaded clip for mounting inside the meter box. Lock actuation is characterized by rotation of a key relative to the lock. The barrel lock includes a head portion, and a smaller diameter shank portion with flatted areas thereon. The clip includes, in an example embodiment, a lock receiving opening with internal protrusions which engage the flatted areas on the lock shank, thereby preventing rotation of the lock when it is engaged by the key.

Abstract: An example embodiment relates to preventing rotation of a barrel lock when opened by a key. At least one example embodiment includes a rotationally actuated barrel lock for securing electric meter boxes and the like, and a spring loaded clip for mounting inside the meter box. Lock actuation is characterized by rotation of a key relative to the lock. The barrel lock includes a head portion, and a smaller diameter shank portion with flatted areas thereon. The clip includes, in an example embodiment, a lock receiving opening with internal protrusions which engage the flatted areas on the lock shank, thereby preventing rotation of the lock when it is engaged by the key.

Abstract: The present/invention comprises a key device (1) for insertion into a lock, the device being switchable between two modes of operation when inserted in the lock; wherein when the key device (1) is in its first mode of operation, the device prevents the lock from being activated between its engaged and disengaged positions; and when the key device (1) is in its second mode of operation, the device enables the lock to be activated between its engaged and disengaged positions; and wherein the key device is switchable between the two modes of operation by the application of a force to the key device (1) above a predetermined threshold.

Abstract: Described is a quarter-turn latch having a key receptacle and a cover for closing the access to the key receptacle, wherein the cover can be folded around an axis parallel to the fastening plane or door of the quarter-turn latch out of an open position into a closed position, and a contour protrudes in the interior of the covet in the region of the axis, which contour is adapted to the contour of the actuating means in such a way that it fixes the actuating means with respect to rotation in the closed position of the cover and accordingly forms a lock safeguard.

Abstract: A method of modulating and in particular, reducing nitrous oxide emission from a substrate for growing on or more plants by applying a microbial based soil additive and a fertilizer blend to the substrate.

Abstract: Disclosed herein are aquafeed, animal feed and fertilizer compositions comprising microalgae clinched with minerals and a method of enriching microalgae with minerals in non-metabolized form. Specifically, the method includes the creation of an enriched microalgae product through the assimilation, reversible chelation, and absorption of supplemental minerals required in the diet of adult fish and other aquatic animals which minimizes leaching of the supplemental minerals before ingestion by the fish. Additionally, the enriched microalgae product can be used as both a direct feed or fertilizer, or as part of an aquafeed, non-aquatic animal feed, or plant fertilizer mixture. The combination and proportion of the minerals can be adjusted to the animal or plant receiving the mineral enriched algae composition.

Abstract: An apparatus for making a cold-pilger-rolled tube has two grooved pilger rolls rotatable about respective axes to compress a workpiece moving in a travel direction against a mandrel extending in the direction between a nip formed between the rolls and anchored upstream of the nip in a thrust block. Workpiece thickness is adjusted on the fly by measuring a wall thickness of the workpiece downstream in the direction from the roll as the workpiece passes through the nip and for displacing the thrust block and mandrel in to the travel direction as the workpiece passes through the nip in accordance with the measured wall thickness.

Abstract: The invention relates to a machine for the hot dispensing of brass or aluminium plugs of predetermined lengths, obtained by cutting an elongated brass or aluminium bar. The invention is advantageous in that there is no loss of material in the cut pieces and the manufacturing process costs and times are very competitive. The machine can very accurately cut bars made from standard brass, as well as special brass, and can manufacture plugs using a “just in time” production system. The invention consists of a single compact body essentially comprising: means for progressively heating more than one brass or aluminium bar such that the bar closest to the outlet is the hottest bar; means for automatically pushing the bar nearest the outlet towards cutting means; and means for transversally cutting the pre-heated bar, thus forming plugs.

Abstract: The aim of this invention is easy to use, practical, light, compact, mobile tool, designed for restoration of the formwork props. This tool very effectively removes uneven places and dents present inside the formwork prop without the need for electric power. No special premises or sites are needed for restoration of the formwork props. The tool is very compact and easily packed into a case-shaped box. When performing formwork prop restoration works, no special physical power of a person is necessary. All of the previously mentioned characteristics are ensured by the special design of this tool, where one ending is inlet into the damaged formwork prop close to the place, which is to be repaired, while the other ending, when using the screwdriver, is rotated around its axis. This rotary motion in one ending of the tool pulls the wedge, which is in the other ending of the tool, and, in this way, it spreads the plates, which touch the walls of the formwork prop, and evens them.

Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.

Abstract: A method and a production line for producing a cold-rolled steel flat product from a hot strip with scale adhering to it and consisting of a non-corroding steel. The hot strip with scale adhering to it is cold-rolled into a steel flat product, the cold-rolled steel flat product is annealed and the annealed steel flat product is descaled. According to the invention, the cold-rolled steel flat product obtained after cold rolling the hot strip is subjected to descaling treatment in the hard-rolled state before annealing, in which the scale present on the cold-rolled steel flat product is mechanically removed. In this way, methods and production lines can be implemented, by means of which cold-rolled steel flat products can be produced cost-effectively from non-corroding steel with an improved surface finish.

Abstract: Disclosed herein is an apparatus and method for forming a product having an asymmetric cross-section using a ring rolling process. The method of forming a product having an asymmetric cross-section uses a ring rolling process that uses a ring rolling apparatus, the ring rolling apparatus comprising: a main roll pressing a circumferential outer surface of a blank, a pressure roll pressing a circumferential inner surface of the blank, and a pair of axial rolls pressing upper and lower surfaces of the blank, wherein a protrusion provided on the pressure roll comes into contact with a depressed portion formed on the circumferential inner surface of the blank, and as a width of the blank varies, the pressure roll moves in a vertical direction.

Abstract: Disclosed herein is a method of manufacturing a flange for wind towers through a ring rolling process. The ring rolling process makes use of a ring rolling machine. The ring rolling machine includes a main roll which presses a circumferential outer surface of a blank, a pressure roll which presses a circumferential inner surface of the blank, and a pair of axial rolls which press upper and lower surfaces of the blank. The method includes expanding an inner diameter and outer diameter of the blank using the ring rolling machine, transferring the pressure roll vertically so that a protrusion provided on a circumferential outer surface of the pressure roll comes into contact with the circumferential inner surface of the blank, and forming a depression in the circumferential inner surface of the blank using the protrusion of the pressure roll.

Abstract: A device for undulating a metal pipe having an undulation extending transversely of its longitudinal direction. The device has a ring-shaped undulating head drivable by a first electric motor and is rotatable about its axis in the operating position and a ring-shaped undulation disc, coupled to the ring-shaped undulating head, projects radially inwardly from the undulation head. The undulation disc is mounted in the undulation head so as to be adjustable in the radial direction. A support, coupled to the undulation head, is arranged so as to also be rotatable about the axis of the undulation head. An adjusting mechanism acting on the undulation disc is mounted on the undulation head. The adjusting mechanism serves for radially adjusting the undulation disc and is adjustable by the support. The support is connected to a second electric motor serving for rotating the support about the axis (A) of the undulation head.

Abstract: A tool assembly for shaping an impingement shield for use with a turbine engine is provided. The tool assembly includes a bracket, a connecting member, and at least one support member. The connecting member is coupled to a force device and a zipper strip that is coupled to the impingement shield. The support member is positioned on the impingement shield via pads that are moveable to accommodate the contour of the impingement shield. By pulling the zipper strip, the zipper strip may be straightened and/or the impingement shield may be shaped.

Abstract: A mandrel mill a method for manufacturing a seamless pipe by using the mandrel mill includes a plurality of roll stands in which three grooved rolls R are disposed in each roll stand such that an angle formed by pressing directions is 120° and the pressing directions of the grooved rolls R are alternately shifted by 60° between adjacent roll stands, wherein a central angle ? defining a circular arc that constitutes a groove bottom profile of the grooved roll R disposed at least in the first and second roll stands is set at less than 60°. The mandrel mill can adequately suppress the problem of the mandrel bar not being able to be pulled out from a pipe after drawing and rolling, without resulting in an increase in facility cost and deterioration of maintainability.

Abstract: Provided is a method for producing a double-wall tube with braided wires at its interface in which the braided wires are interposed between an outer-wall and inner-wall blank tubes and then a drawing process is applied so as for the braided wires to be brought into close contact with the inner surface of the outer-wall tube and the outer surface of the inner-wall tube, the method comprising: polishing the inner surface of the outer-wall blank tube and the outer surface of the inner-wall blank tube so that a surface roughness thereof satisfies Ra<1.0 ?m, followed by interposing the braided wires between the outer-wall and inner-wall blank tubes; performing a sinking drawing process so that the difference of the outer diameter of the resulting double-wall tube relative to a die bore diameter is 0.1 mm to 0.3 mm; and subsequently performing heat treatment. The double-wall tube produced is suitable as a heat-transfer tube.