Abstract: The present disclosure provides a method of operation of a refrigerant system, which comprises a main refrigerant circuit, a reheat circuit, and a flow control device, which has a first position isolating said reheat circuit from said main refrigerant circuit, and a second position placing said reheat circuit in fluid communication with said main refrigerant circuit. The refrigerant system further comprises a controller in electrical communication with said flow control device. The controller is configured to move the flow control device to the first position during a cooling mode, and to move the flow control device to the second position during a reheating mode or an oil recovery mode. The refrigerant system controller can execute an oil recovery mode in continuous or intermittent manner.

Abstract: In an air conditioning economizer system outdoor air intake is reduced automatically by a control device based on a shut-off control setting for a measured outdoor air quality. A geographical location associated with the air conditioning economizer system is received (S2) in the control device. The control device defines automatically (S3) the shut-off control setting based on the geographical location. Thus, the air conditioning economizer system is adapted specifically for a geographic location and its climate zone, without the requirement for installing or operating personnel to determine a shut-off control setting for a specific climate zone and/or select a corresponding operating range.

Abstract: In a range of a wind velocity of 0.5 to 3.5 (m/s) in a refrigeration cycle, when combining absorbent having a small dependency on the wind velocity and the refrigeration cycle, it is not possible to vary dehumidification capability by changing the wind velocity and matching with an actual load is poor. In a refrigerating and air conditioning apparatus having a refrigerator 20 in which refrigerant is put, and having a compressor 20a for compressing the refrigerant, a condenser 20b, and a throttle device 20c, and an evaporator 20d, and a desiccant rotor 1, which is water adsorption means, an adsorbent is supported with the desiccant rotor 1, whose time constant at a water adsorption equilibrium becomes small as a wind velocity increases in the range of the wind velocity of 0.5 to 3.5 m/s, the condenser 20b is disposed upwind of the desiccant rotor 1, and the evaporator 20d is disposed downwind of the desiccant rotor 1.

Abstract: There is provided a turbo chiller that can be operated at high efficiency within an adequate chilling capacity range even when the cooling water temperature changes during the operation. The adequate chilling capacity range is obtained by using a flow coefficient and a pressure coefficient at a specific operating point of a turbo compressor as well as a predetermined coefficient to determine an arithmetic expression representing the relationship between a head and a chilling capacity, using a chilling capacity that can lead to a substantially highest coefficient of performance at a single head to obtain the predetermined coefficient as an optimum coefficient, computing an adequate operation coefficient range having a predetermined range and including the optimum coefficient, and substituting the adequate operation coefficient range and a head at the time of operation into the arithmetic expression.

Abstract: In order to provide a device, which with a low outlay enables a product to be cooled to be conveyed to a place of use and cooled reliably and energy-efficiently at the place of use, a cooling station for receiving a frame that has receivers for a product to be cooled is proposed, wherein the cooling station comprises at least one fan for generating a circulating air flow through the frame and at least one cooler for cooling the circulating air flow and wherein the cooling station comprises a housing that surrounds a receiving space for receiving the frame on at least three sides.

Abstract: Disclosed herein are a switch assembly and an air conditioner having the same. A switch and a circuit board of the switch assembly are detachably coupled to each other, thus resulting in enhanced maintenance and workability. The switch assembly includes a switch to sense an electrical signal of a human body, a conductive connector to provide the switch with an elastic force, and a circuit board adapted to receive the electrical signal through the connector so as to perform a control operation. The circuit board is detachably coupled with the switch.

Abstract: An information technology enclosure has a processing subsystem and infrastructure subsystem in separate shipping containers that cooperate to process information. The processing subsystem has increased information processing density by concentrating information handling systems in a first processing shipping container that is supported with infrastructure equipment in a second infrastructure shipping container. In one embodiment, the shipping containers are arranged in a stacked configuration so that cooled air and exhausted air are exchanged through aligned vents formed in the ceiling and floor of stacked shipping containers.

Abstract: Disclosed herein is a refrigerator which can store foodstuffs like vegetables in a fresh state, restrain reduction of nutritive elements contained in foodstuffs, and prevent damage of irradiation device. The refrigerator includes a main body, a storage chamber which is provided in the main body to store foodstuffs, and an irradiation device which irradiates light within a visible light region into the storage chamber. The refrigerator farther includes a reflection member which is mounted to the storage chamber to reflect the light emitted from the irradiation device, and a transforming member which transforms the light emitted from the irradiation device into a side light type.

Abstract: The refrigerator includes the following parts. A heat-insulating main body has openings in a front side. A divider creates a first storage compartment and a second storage compartment, by dividing inside of said heat-insulating main body into the first storage compartment and the second storage compartment arranged side by side. A lighting unit, located close to at least one of the openings of the first and second storage compartments, respectively, each of which has a light-emitting diode as a light source.

Abstract: In the casing (11) of a humidity controller (10), a first bypass passage (81) is provided along one of side plates facing each other, and a second bypass passage (82) is provided along the other side plate. In the casing (11), a first heat exchanger chamber (37) and a second heat exchanger chamber (38) are arranged next to each other in the left-to-right direction in a space between the two bypass passages (81, 82). A first adsorption heat exchanger (51) is accommodated in the first heat exchanger chamber (37), and a second adsorption heat exchanger (52) is accommodated in the second heat exchanger chamber (38). Adsorbents are carried on the adsorption heat exchangers (51, 52). During the operation in which humidity of the air is not controlled, a first bypass damper (83) and a second bypass damper (84) are opened, and the air flows through the bypass passages (81, 82) to be drawn into a supply fan (26) or a exhaust fan (25).

Abstract: A closed space forming unit (41-48) forms a closed space (37, 38) around an adsorption member (51, 52) supporting thereon an adsorbent for desorbing and adsorbing moisture. An active species generating unit (101, 102) supplies active species, for decomposing odorous components, into the closed space (37, 38).

Abstract: An air conditioner is provided. The air conditioner includes a heat exchanger which exchanges heat with air by passing a coolant therethrough; an anti-freeze apparatus which prevents the freeze of water on the surface of the heat exchanger by supplying energy to the heat exchanger; and a heat generation unit which heats the heat exchanger. The air conditioner can minimize the need for a defrost operation and can thus continuously and effectively perform an air conditioning function even when water on the surface of the heat exchanger is frozen.

Abstract: An air-con ECU (10) consists of one type of a control unit producing and transmitting a signal to engage or disengage an electromagnetic clutch (44) of an engine-driven compressor (40), on the basis of environmental parameter signals transmitted from environmental parameter detection means (20 to 25), and also retransmitting the environmental parameter signals. An electromagnetic portion of the electromagnetic clutch (44) engages or disengages the electromagnetic clutch of the engine-driven compressor by selectively receiving the signal to engage or disengage the electromagnetic clutch (clutch engage/disengage signal) transmitted from the air-con ECU, and an electric motor control portion (34) of an electric compressor (30) controls rotation of an electric motor of the electric compressor by selectively receiving the environmental parameter signals (various sensor values) transmitted from the air-con ECU.

Abstract: A water filter device including a filter unit to receive water from an external water supply source and to purify the received water, a storage tank unit to store the water purified through the filter unit, and a case to receive the filter unit and the storage tank unit.

Abstract: An integrated gasification combined cycle system is provided. The integrated gasification combined cycle system includes an air compressor coupled in flow communication to an air separation unit, a condensate heater coupled in flow communication with the air compressor, and a condenser coupled in flow communication with the condensate heater. The condensate heater and the air compressor are coupled such that a portion of compressed air generated by the air compressor is channeled to the condensate heater. A method of assembling an integrated gasification combined cycle system is also provided.

Abstract: A refrigerator for fresh and frozen products with passive elements for temperature leveling without ventilation and for maintaining the relative humidity above 90% even in the absence of a connection to the electrical mains, by using the energy supplied by the melting enthalpy of the thermal mass, frozen beforehand by circulating refrigeration fluid at low temperature within a heat accumulator, which allows to absorb the heat that passes through the walls and the heat dissipated by the products, the refrigerator comprising a body which defines internally at least one compartment which is delimited by thermally insulating walls, at least 50% of the inner surface of the compartment being constituted by the surface of a heat accumulator containing a eutectic liquid, with a phase change temperature which is proximate to the temperature to be maintained within the compartment, an evaporation circuit associated with a compressor being connected to the heat accumulator.

Abstract: In order to provide a container for the cooling and/or cold storage of foods and/or beverages which comprises at least one storage tank for a multi-phase flowable cooling medium wherein the cooling effect is still as uniform as possible over the entire height of the storage tank even when the multi-phase flowable cooling medium has been stored in the storage tank for a long period of time, it is proposed that the storage tank be divided into a plurality of storage tank segments which are separated from each other by partition walls which extend horizontally or are inclined to the vertical.

Abstract: The present invention relates to a refrigerator and/or freezer with one or more storage trays for accommodating refrigerated and/or frozen goods, wherein the appliance includes one or more extensions which are connected with the storage trays and by means of which the storage trays can be pulled out of the appliance and be pushed into the same, wherein the extensions include first and second housing parts and a pull-out rail, wherein the pull-out rail comprises first and second parts which are movable relative to each other, wherein the first housing part is directly or indirectly connected with the first part of the pull-out rail and the second housing part is directly or indirectly connected with the second part of the pull-out rail, and wherein the first housing part is directly or indirectly connected with the storage tray and the second housing part is directly or indirectly connected with the refrigerator and/or freezer.

Abstract: A system of seamless imaging for appliance interiors includes a display integrated with or otherwise connected to the exterior of an appliance door, such as a refrigerator door. The display may be electronically connected to a camera matrix located on the interior of the appliance door. In one embodiment, the camera matrix is designed to provide an overlapping field of view for seamless viewing of the appliance's interior when the appliance's door is otherwise closed. In another embodiment, the display may cover most or substantially all of the exterior of an appliance door and may have integrated touchscreen technology. Such display may also provide a user interface for accessing and viewing Internet and/or broadcast content on the exterior of the appliance door.

Abstract: A domestic appliance with a door that has an inner wall, an outer wall, an upper closing element and a lower closing element, wherein the inner and outer walls and the upper and lower closing elements delimit an inner hollow space of the door. The outer wall forms a front plate and two side flanks that adjoin the front plate. The two side flanks support edge bars that engage behind the front plate. A locking element is inserted into a corner of the inner hollow space of the door, wherein the corner is formed by one of the two side flanks, one of the edge bars, and one of the upper and lower closing elements.

Abstract: In a hermetic compressor, aggression to an organic material is low by using a refrigeration oil using, as a base oil, an alicyclic multivalent carboxylic acid ester compound and made of an alicyclic multivalent carboxylic acid ester compound having at least two ester groups, the at least two ester groups being bound to carbon atoms adjacent to each other on an alicyclic ring. The ratio of hydrocarbon radicals in which carbon number is 4 or less among hydrocarbon radicals bound to the at least two ester groups is 15% by weight or less.

Abstract: In a casing (11) of a humidity controller (10), a first heat exchanger chamber (37) which accommodates a first adsorption heat exchanger (51), and a second heat exchanger chamber (38) which accommodates a second adsorption heat exchanger (52) are arranged next to each other in the left-to-right direction. An indoor air side passage (32) and an outdoor air side passage (34) are provided on the rear panel portion (13) side of the heat exchanger chambers (37, 38), and a supply side passage (31) and exhaust side passage (33) are provided on the front panel portion (12) side of the heat exchanger chambers (37, 38). The rear panel portion (13) is provided with an outdoor air intake opening (24) and an indoor air intake opening (23) at locations close to a center of the rear panel portion (13) in the left-to-right direction.

Abstract: The invention concerns the power systems utilizing renewable power sources, in particular, refers to the systems utilizing wind and solar energy and may be used for the independent power supply both in cold and hot climate. The independent energy supply system (IES) contains a wind generator setup for electric power production and a solar collector. The solar collector is connected with a heat storage. IES also includes an electric energy storage battery, inverter, and automatic control system for IES connected through the heat and electrical load sensors with actuating mechanisms. IES is also equipped with the stabilization system for rotor speed of the wind generator that includes a network regulator with a control unit for a resistive load, electric current sensors and rotor speed sensor. The resistive load is the system of thermal electric heaters (TEHs). The energy dissipated on TENs is to be accumulated in the heat storage.

Abstract: The object is to provide an integrated compressor that enables a control board to be miniaturized while ensuring a layout in which the heat radiation of parts is considered. Diodes 43 and IGBTs 42 that correspond to each of the U-phase, V-phase and W-phase are arrayed in series for each phase. Rectangular chips are used for the diodes 43 and IGBTs 42. As a result of this, a power board 16 is substantially miniaturized, and the diode 43, the IGBT 42, a P-terminal electrode pattern 40, an N-terminal electrode pattern 41, a shunt resistor 44, output terminal patterns 48U, 48V, 48W, and a feed pattern 50 are disposed so as to lie in a region in contact with an outer surface of a housing.

Abstract: In order to provide a refrigeration cycle device that is compact and efficiently utilizing an expansion machine and reduced in manufacturing cost through the use of a first compressor and second compressor driven by an expansion machine, a heat radiator and an on-off valve are disposed between the first and the second compressors and the second heat radiator is utilized irrespective of the operating mode such as the cooling or heating operation. Also, the heat transfer area ratio, which is a ratio of the heat transfer area of the second heat source side heat exchanger relative to the total heat transfer area of the heat transfer areas of said first and second heat source side heat exchangers, is set, according to the air speed distribution, within a range at which the COP is at its peak. Thus, the second heat source side heat exchanger can be utilized even during the heating operation, providing a high efficiency refrigeration cycle device.

Abstract: Methods of separating volatile organic and/or gaseous inorganic components from a gas mixture, comprising subjecting the gas mixture to a cryocondensation process and an adsorption process to separate the volatile organic and/or gaseous inorganic components. The adsorption process utilizes at least two parallel adsorbers running alternately through adsorption and desorption phases. A regeneration gas used for the desorption phase is added to the gas mixture prior to the cryocondensation process. Temperature of the condensation process may be varied.

Abstract: A liquefied gas reliquefier that can be configured compactly and that is easy to handle is provided. A liquefied gas reliquefier (1) reliquefies BOG resulting from evaporation of LNG in a cargo tank (3). The liquefied gas reliquefier (1) includes a refrigerator group (20) disposed in a secondary-refrigerant circulating channel (24) through which nitrogen, which has a lower condensation temperature than the BOG, circulates to liquefy the nitrogen; a feed pump (22) for feeding the liquid nitrogen cooled by the refrigerator group (20) through the secondary-refrigerant circulating channel (24); and a heat exchanger (12) disposed in the secondary-refrigerant circulating channel (24) to condense the BOG by heat exchange between the BOG and the liquid nitrogen fed by the feed pump (22). The heat exchanger (12) is disposed near the cargo tank (3).

Abstract: A vitreous silica crucible manufacturing apparatus includes a plurality of carbon electrodes configured to heat and melt raw material powder by arc discharge, and a value of a ratio R2/R1 of a diameter R2 of a front end of each of the carbon electrodes to a diameter R1 of a base end is set in a range of 0.6 to 0.8. Each carbon electrode has a diameter reduction portion formed at a front end position and reduced in diameter from a diameter R3 of a base end side to the diameter R2 of the front end. When a length of the diameter reduction portion is L1, the diameter of the front end is R2, the diameter of the base end is R1, an angle between the axis lines of the carbon electrodes is ?1, and X=(R1?R2)/2, a value of L1?(X/tan(?1/2)) is set in a range of 50 to 150 mm.

Abstract: A non-woven product having a core layer (32) containing dense particulate additive between adjacent layers (33) which are substantially free of additive is made by fiberising a mineral melt on a spinner (1) comprising at least one fiberising rotor (2, 3, 4) mounted for rotation about a substantially horizontal axis, and the resultant fibres are collected in air streams (5) as a cloud of fibres which travels towards a travelling collector (11) on which a web (14) is formed and carried out of the spinning chamber (9). Dense particles such as magnesium hydroxide are ejected from a suitable ejector (15) on to a baffle (16) by which they are deflected across the width of the chamber and lengthwise over the length of a intermediate collecting zone (B) to form the core layer (32) while the initial and final collecting zone (A and C) are substantially free of the dense particulate additive.

Abstract: A double knit fabric which does not require hemming treatment even when it is cut into a desired shape and does not give any damage on handling to the fabric when an user wears it, and which can suppress generation of run or curling. A double knit fabric having a superior run and curling generation preventing ability, is made by a knitting process utilizing a non-elastic yarn and an elastic yarn having thermal deformation starting temperature being 150° C. to 190° C., with a plating stitch so that the non elastic yarn is arranged on both external surfaces thereof, while the elastic yarn is arranged on both inner surfaces thereof.

Abstract: Disclosed herein are a water level/vibration sensing apparatus and a washing machine having the same. The water level/vibration sensing apparatus includes a housing provided with a pressure chamber communicating with an air inlet, a diaphragm unit moving forward and backward according to the variation of a pressure in the pressure chamber, a core and a coil forming a frequency varied according to the forward and backward movement of the diaphragm unit, and a collision member striking the diaphragm unit according to the movement of the housing.

Abstract: The invention relates to a multi-dosing detergent delivery device. The device comprises a housing (20) for receiving, in use, therein a cartridge (50) having a plurality X of chambers (52) each accommodating a detergent composition; a water/wash liquor collection area for receiving and collecting water/wash liquor falling upon it; directing means (350) for directing said water/wash liquor selectively into an inlet hole of a chamber (52) of the cartridge (50) to contact the detergent composition therein; and an outlet to allow the detergent loaded wash liquor to exit the device. The device further comprises manually operated indexing means for causing movement of said directing means (350) relative to said cartridge (50) so as to cause sequential movement of said directing means (350) from directing water/wash liquor from one chamber to directing it to a neighbouring chamber and an end stop mechanism for preventing actuation of the manual indexing mechanism subsequent to an Xth washing cycle.

Abstract: A method for treating laundry is provided. The method includes steps of applying a bleaching and antimicrobial composition to laundry in a laundry washing machine at a first pH that favors bleaching properties and at a second pH that favors antimicrobial properties, wherein the first pH and the second pH are different, and draining the bleaching and antimicrobial composition from the laundry. The step of applying a bleaching and antimicrobial composition to laundry can include a step of washing the laundry with a detergent composition for the removal of soil. In addition, the step of applying a bleaching and antimicrobial composition to laundry can preceed or follow a step of washing laundry with a detergent composition for the removal of soil. A bleaching and antimicrobial composition and a laundry washing machine are provided.

Abstract: A locking cable device which inhibits the theft of computer equipment. The security device combines a scissor clip designed to connect to the built-in security slot in computer equipment, a cable, and a lock. They are combined by way of a dual-action lock, with the first action capable of engaging and disengaging the scissor clip from the computer equipment, and the second action capable of separately disengaging the security cable to allow it to pass through other equipment or fasteners to allow the device to secure multiple pieces of computer equipment.

Abstract: A portable shroud for a lock securing ends of a cable or chain includes a tubular element having sufficient interior dimensions to accommodate a plurality of locks where the dimensions mitigate attempts to reach the lock with a cutting means. At least two slots accept the ends of the cable or chain where only the ends can be inserted into the tubular element for engaging with the locks and where either end of the cable or chain can be removed from the shroud by disengaging a respective one or more locks. At least two tubes are joined to the tubular element where an end of each of the tubes covers the slots such that the ends of the cable or chain pass through the tubes and the tubes further mitigate attempts to reach the locks with the cutting means.

Abstract: A zipper password lock includes a lock tongue and a lock body assembly. The lock tongue includes a first engaging member disposed at a side of the lock tongue. The lock body assembly includes a housing having a lock groove for the lock tongue to be inserted into and a mounting base for securing the housing, and a dial wheel connected to a side of the housing, the dial wheel including a first side with a plurality of marks visible to a user and a second side including a password portion corresponding to one of the marks and a plurality of locking portions respectively corresponding to the other marks.

Abstract: There is disclosed an anti-shoplifting device for projecting holders (4), in particular for the display of blister packs, comprising a first (1) and a second body (2), preferably of the shells (1, 2), which are mutually movable between a locked position, in which they define an opening (21) for the passage of the hooked projecting holder, ensured by locking means (8, 9, 10), and an unlocked position achieved by unlocking means (12, 13, 14, 15) acting on said locking means (8, 9, 10). Said locked and unlocked positions are such that the device is respectively hooked or removable from the projecting holder (4). Further, said first and second bodies (1, 2) are rotateably coupled in a separable manner by means of rotation.

Abstract: The invention relates to a closing assisted electric lock for the opening of an automobile, that comprises: a bolt (5) including first (19) and second (20) notches, said bolt (5) interacting with a strike and being capable of rotating between an open position, a position closed at the first notch of the lock and a position closed at the second notch of the lock; a pivoting ratchet (13) capable of interacting with said bolt (5) for preventing the rotation thereof (5) into a closed position at the first and second notches of the lock; a bolt (5) driving lever for rotatingly driving the bolt (5) between the closed position at the first notch and the closed position at the second notch of the lock; characterised in that the driving lever (9) includes a protrusion (37) provided so that said bolt (5) is capable of pivoting the lever (9) when said bolt (5) rotates from the open position to the closed position at the second notch of the lock.

Abstract: A drawer lock set includes a body with a tubular member and a block extends radially from an inner periphery of the tubular member. A cylinder and a core are received in the tubular member. The core includes a driving piece extending from a distal end thereof and is capable of driving a transmission member which is able to rotate a driving member. The driving member includes a protrusion which is slidably engaged with a groove defined in the dead bolt. The cylinder includes a first notch and a second notch in an outer periphery thereof and a 90-degree angular distance is defined between the first and second notches. The block is engaged with one of the first and second notches so as to set the position of the operational direction of the dead bolt with only one part replaced.

Abstract: A method and apparatus for monitoring the security of closures of the type used on large trucks, and shipping or other containers wherein one or more doors are provided on an end and/or the sides of the container and are secured by vertical rods having cam-like latches at their ends that are rotatable from a first disposition in which they engage keepers to lock the doors in a closed position, and a second disposition in which they disengage the keepers to unlock the doors and allow them to swing into an open position. More specifically, the present invention relates to a monitoring assembly that attaches between the locking rod handles of the containers, senses any movement of the locking handles or the opening of the doors, and provides visual signals and/or transmitted signals as an indication of tampering.

Abstract: A lock assembly for use with a powered actuator includes a housing, a first barrel part, a torque transmitting member, a first cam, a drive device and a spring. The housing has at least a first axially extending recess therein. The first barrel part is within the first recess. The torque transmitting member is adapted for abutment and releasable rotational engagement with a key. The first cam is adapted to operate a lock or latch mechanism and for rotational movement with the torque transmitting member. The drive device is adapted for engagement with the powered actuator and releasable engagement with the torque transmitting member. The spring biases the torque transmitting member towards engagement with the drive device.

Abstract: An electromechanical cylinder lock includes an outer lock shell and a rotatable lock barrel located therein which is controlled by dual locking features. A side bar or fence selectively blocks and permits rotation of the barrel with respect to the shell in response to insertion of a key into a keyway in the barrel. A slider bar is movable between a blocking position in which the side bar is prevented from permitting rotation of the barrel, and an unblocking position in which the side bar permits rotation of the barrel. Alternately, a blocking mechanism is provided to block motion of tumbler pins in the cylinder lock. A shape memory alloy actuator, such as a wire made of nitinol, disposed in the barrel is activated by an electric current in response to determination by an electronic control device whether an attempt to open the lock is authorized. Thermal interlock protection from external heating of the lock is also provided.

Abstract: A card lock structure for selectively locking or releasing a lock barrel includes a card lock casing and a card barrel limiting mechanism. The card lock casing has a card-inserting groove. The card barrel limiting mechanism has a lock barrel limiting push rod pivotally disposed in the card lock casing, an elastic element disposed between the card lock casing and the lock barrel limiting push rod, and a movable pressing unit for pressing the lock barrel limiting push rod. One end of the lock barrel limiting push rod projects outside the card lock casing in order to selectively lock or release the lock barrel. When a card passes through the card-inserting groove to push the movable pressing unit to release the lock barrel limiting push rod, the lock barrel limited push is moved by the elasticity of the elastic element in order to release the lock barrel.

Abstract: An agronomic carrier coated with an acidifying agent and a method for preparing same is described.

Abstract: An assembly for press forming a deformable material including: a first die array including a plurality of dies, the first die array defining a first die profile; a second die array that is complementary with the first die array and including a plurality of dies, the second die array defining a second die profile that is complementary with the first die profile; and a drive for driving at least one of the first die array and the second die array; wherein in use the plurality of dies of the first die array and the plurality of dies of the second die array sequentially engage the deformable material along a processing length to deform the deformable material to a predetermined profile.

Abstract: A plug 1 includes a first columnar portion 20, a tapered portion 30, and a second columnar portion 40. The first columnar portion 20 has an outside diameter D1. The second columnar portion 40 has an outside diameter D2 which is larger than the outside diameter D1. The tapered portion 30 is formed between the first columnar portion 20 and the second columnar portion 40. The tapered portion 30 has a tapered surface 31 provided with an outside diameter which is gradually increased from the first columnar portion 20 to the second columnar portion 40, and an axial direction length L. The outside diameters D1 and D2, and the axial direction length L meet the following expressions (1) to (4): 0.25???2.00??(1), 0.06?L/D2?0.8??(2), L/D2?0.3×?+0.575??(3), and L/D2?0.1×???(4) where ?=(D2?D1)/D1×100. Therefore, the cold drawing plug according to the present invention can reduce the tensile residual stress on the outer surface of a metal pipe after the cold drawing.

Abstract: A bending apparatus for performing accurate non-destructive bending of material includes first and second jigs that are rotatable about a rotary shaft and that bend the material attached to the jigs as they rotate relative to each other. The first jig includes a bending section that is arranged offset from a rotary center to a rotating side of the material and that has a partially cylindrical surface with a radius of curvature corresponding to the radius of curvature of an inner peripheral surface of the material. Each of the first and second jigs has a suppressing section for suppressing displacement of the material, and a bending center of the material is arranged such that the material is not displaced relative to the first and second jigs when the material is bent.

Abstract: An apparatus for forming and rotating interconnected sections of a cylindrical sheet metal workpiece to provide an elbow. The apparatus includes a frame, a head rotatably arranged within the frame and a tool ring mounted to the frame, the head and tool ring being co-operable for sectioning and joining segments of the workpiece. The apparatus also includes a drive drum mounted within the frame for gripping and rotating the segments, and a control module for selectively activating the head, the ring, and the drive drum to form an elbow.

Abstract: The invention relates to a method for press hardening of a metal or an alloy wherein said metal is heated in a controlled furnace atmosphere which is essentially hydrogen-free and which comprises nitrogen and carbon monoxide.

Abstract: A method for manufacturing a high alloy pipe comprises hot working, a high alloy material pipe having controlled amounts of C, Si, Mn, P, S, Ni, Cr, Mo, Cu, Al, N, O, and optionally Ca, Mg, and rare earth elements, with the balance Fe. The pipe composition satisfies the formula N×O?0.001. The pipe is subjected to cold working to form the high alloy pipe, wherein the final cold working process is performed under the condition that a working ratio Rd in the reduction of area satisfies 15?Rd(%)?370×(C+N), where N, O and C are the contents (by mass percent) of the respective elements, and Rd is the working ratio (%) in the reduction of area. The pipe has an excellent ductility and an excellent corrosion resistance when cold working is performed to obtain a high strength after pipe-making.