Abstract: With a device (1) to wrap or bundle objects, particularly cables (2), wherein the objects are insulated, connected to each other, or affixed to each other using adhesive tape (3) that is wrapped around them, particularly adhesive tape, a tape placement system (6) is used to supply the tape. The tape placement system (6) has a disk (11) that can rotate around an axis (10). Two placement rollers (12) are provided, whose axes (13) are mounted on the disk (11) in a fixed location. A placement roller (16), which is mounted on a lever (14) and rotatable using an axis (15), is connected to the disk (11) in a swiveling manner in such a way that the lever (14) is connected to the disk (11) via a pivot joint (17), and the lever (14) is pre-loaded on the disk (11) via a spring (18) opposite a mounting point (19).

Abstract: Tape heating means is allowed to come close to an adhesive tape for support and, in a heating state, the adhesive tape for support is stretched and tensioned with proper tension in a tape width direction and a transport direction. A heated work is bonded to an adhesive face of the tensioned adhesive tape for support, thereby supporting the work.

Abstract: To provide a method of manufacturing a display device having an excellent impact resistance property with high yield, in particular, a method of manufacturing a display device having an optical film that is formed using a plastic substrate. The method of manufacturing a display device includes the steps of: laminating a metal film, an oxide film, and an optical filter on a first substrate; separating the optical filter from the first substrate; attaching the optical filter to a second substrate; forming a layer including a pixel on a third substrate; and attaching the layer including the pixel to the optical filter.

Abstract: An automated process for manufacturing smart labels having a radio frequency identification (RFID) transponder. The inventive method accurately and reliably inserts RFID transponders into labels onto tags in one pass on a label press equipped with an in-line insertion station. The transponders may be provided In continuous supply reel and singulated as needed to form discrete terms transponders or single transponders may be provided in the hopper. The label is delaminated and the transponders are individually applied directly to the adhesive side of the labels in the machine direction of the moving web. The label liner is then relaminated back onto the label face stock sandwiching the RFID transponder between the liner and the label stock.

Abstract: A photosensitive epoxy resin adhesive composition which is capable of forming a pattern by exposure to light through a photomask and development, and which, even after having formed a pattern in that manner, may still exhibit high adhesiveness when heated while keeping its pattern as such, as well as a photosensitive adhesive film which comprises the photosensitive epoxy resin adhesive composition, The photosensitive epoxy resin adhesive composition comprises an epoxy resin and a photo-acid generator, wherein the epoxy resin comprises a polyfunctional epoxy resin having an epoxy equivalent of from 100 to 300 g/eq and a polyfunctional epoxy resin having an epoxy equivalent of from 450 to 10000 g/eq.

Abstract: A junction substrate includes a first substrate, a buffer film formed on one surface of the first substrate, a metal containing film formed on the buffer film and having a lower resistance than the buffer film, and a second substrate bonded to the other surface of the first substrate.

Abstract: There are provided an endless belt having a structure containing at least three layers, a middle layer being disposed between the outermost layer and a bottom layer, and the middle layer being composed of a material having a thermal decomposition temperature lower than the deposition temperature of each of the outermost layer and the bottom layer, and provided a method for manufacturing the endless belt. There are provided an endless belt having high surface resistivity, an excellent toner releasing property, an excellent non-contaminated property, stable volume resistivity, excellent adhesion between a surface layer and an elastic layer, and the like without the occurrence of disadvantageous bleeding of a contaminant, and a method for manufacturing the endless belt.

Abstract: A belt or a roller for OA apparatus, in which a top layer includes a base material formed from PTFE, PFA or a mixture thereof and having a continuous structure and the PTFE, the PFA or the mixture thereof occupies at least 70% of the base material in weight excluding a conductive agent, is provided. The belt or the roller for OA apparatus can attain sufficient toner detachability with respect to toner including chemical toner, and has excellent resistance to physical and/or mechanical stress and resistance to electrical stress. A method of manufacturing the belt or the roller for OA apparatus and an OA apparatus employing the belt or the roller are also provided.

Abstract: Use of a hotmelt adhesive is disclosed for fixing at least one micro device on a carrier. A pasty fixation compound is further disclosed for micro devices including a powdered hotmelt adhesive, an anti-flow additive and a solvent for the anti-flow additive. Furthermore, a method is disclosed for fixing at least one micro device on a carrier, a hotmelt adhesive being applied to a carrier, the micro device being positioned at a predetermined distance from the carrier and fixed by the hotmelt adhesive until a solid adhesive bond has been produced between the at least one micro device and the carrier by cooling the hotmelt adhesive, the gap produced being filled by an epoxy resin and the two devices being adhesively bonded securely by curing of the epoxy resin. Furthermore, a detector is disclosed for detecting ionizing radiation which has a multiplicity of detector elements disposed in a two-dimensional arrangement.

Abstract: This invention is a process of printing or forming a resist layer over an area of a printed transfer medium that has binders or other materials thereon but is not covered by a printed image. The layer resists transfer to the final substrate of binder materials and other materials of the transfer medium that are not covered with the printed image.

Abstract: A plasma processing apparatus has a processing chamber connected to an exhaust system so that the inside pressure can be reduced, a gas feeding unit for supplying gas to the processing chamber, a wafer, and a substrate electrode on which the wafer can be placed. The plasma processing apparatus also has an antenna electrode provided in opposition to the substrate electrode to generate plasma, a plasma generating high-frequency power supply connected to the antenna electrode, and a wafer biasing power supply connected to the substrate electrode. In addition, a coaxial line and a coaxial waveguide are optimized by using a coaxial model, and a voltage measuring circuit is mounted right under the coaxial line.

Abstract: A gas supply system for supplying a gas into a processing chamber for processing a substrate to be processed includes: a processing gas supply unit; a processing gas supply line; a first and a second branch line; a branch flow control unit; an additional gas supply unit; an additional gas supply line; and a control unit. The control unit performs, before processing the substrate to be processed, a processing gas supply control and an additional gas supply control by using the processing gas supply unit and the additional gas supply unit, respectively, wherein the additional gas supply control includes a control that supplies the additional gas at an initial flow rate greater than a set flow rate and then at the set flow rate after a lapse of a period of time.

Abstract: A plasma processing unit includes: a processing chamber (10); a first electrode (5) and a second electrode (11) which are placed in the processing chamber (10) and arranged to face each other; and a quartz plate (13) arranged on one of the surfaces of the first electrode (5) facing the second electrode (11) to protect the first electrode (5), the plasma processing unit being configured to excite reaction gas in the processing chamber (11) to generate plasma between the first electrode (5) and the second electrode (11) so that a target object placed on one of the surfaces of the second electrode (11) facing the first electrode (5) is subjected to plasma processing, wherein one of the surfaces of the quartz plate (13) facing the second electrode (11) is rough-finished.

Abstract: An apparatus and method is provided for positioning and utilizing a Faraday shield in direct exposure to a plasma within an inductively coupled plasma etching apparatus. Broadly speaking, the Faraday shield configuration maintains a condition of an etching chamber window. At a minimum, positioning the Faraday shield between the window and the plasma prevents erosion of the window resulting from plasma sputter and shunts heat generated by an etching process away from the window.

Abstract: System for producing rolls of air-filled cushioning material which includes a machine for inflating and sealing a preconfigured film material to form a continuous sheet of air-filled cushioning material, and a winder having a spindle for receiving the inflated cushioning material from the machine, a drive motor for rotating the spindle to wind the inflated cushioning material into a roll on the spindle, and means for controlling the motor in accordance with the diameter of the roll to maintain substantially uniform tension in the material as the material is wound into the roll. In one disclosed embodiment, the diameter of the roll is monitored by a feeler arm, and in another it is determined from the rate at which the spindle is rotating and the rate at which the material is wound onto the roll.

Abstract: A method of and apparatus for making a three-dimensional object (2) made of a plurality of performed sheets (3), one atop the other, The method includes coating one side of one sheet (3) with adhesive using applicator (20), coating the adhesive with a release agent using applicator (22), bonding the opposite side of twice coating sheet (3) to a sheet (3) thereunder using adhesive on the surface of sheet (3) thereunder, and cutting twice coated sheet (3) using cutter (30). These steps are repeated until the desired number of sheets (3) is provided in a stack. The release agent is coated only in those areas of sheets (3) which will not be part of object (2), and cutting of each sheet (3) is along a contour corresponding to the contour of the same respective layer in object (2). After the steps have stopped, portion of the stack where the release layer is present and which is not part of object (2) is removed from the stack to give object (2).

Abstract: The invention concerns an apparatus for applying at least one surface portion of a transfer layer of a transfer film to a web of material, wherein the apparatus has at least one support roller and at least one pressure roller for pressing the web of material and the transfer firm against the at least one support roller, wherein the at least one pressure roller is pneumatically or hydraulically resiliently supported by means of at least one resilient arrangement in the form of a diaphragm spring and wherein the apparatus has at least one adjusting device for varying a spring rate of the at least one resilient arrangement and thus for varying a pressure contact force of the at least one pressure roller against the at least one support roller, and the use of such an apparatus.

Abstract: A welding head for a strap binding machine includes a strap guide element that can be moved into and out of a strap guide path, a welding device that can be moved into and out of the strap guide path and that is for fusing strap segments of overlapping strap ends that are to be welded, and a pressing device for pressing the fused strap segments against a pressure part, the strap guide element and the welding device being pivotably borne and both being directly or indirectly motion-coupled to the longitudinally movable pressing device such that they can be moved into and out of the strap guide path depending on the movement of the pressing device.

Abstract: An apparatus, method and system for treating contaminated water. The apparatus comprises a tank with a dividing member dividing the tank into a settling region and an evaporation region. The settling region comprises an inlet, weir means, and an outlet, and the evaporation region comprises an inlet and heat application means, the settling region outlet in fluid communication with the evaporation region inlet. The method comprises allowing contaminated water to encounter the weir means, producing contaminants and cleaned water, and transporting the cleaned water to the evaporation region, where the heat application means apply heat to the cleaned water allowing evaporation of the cleaned water.

Abstract: A cornice with integrated trim and window shade used to dress a prominent windowed passage. The cornice possesses features such as: a corbel that consists of two dados of a certain depth and height that allows for proper placement and installation of trim; a mounting surface, housing, and a through-channel for a spring-rolled shade. A plinth block of a certain thickness and depth that creates a proportioned surface to seat and align the vertical trim. A trim of a certain width and thickness so as to be accepted into the corbel dado and align with the plinth block thus creating a symmetrical reveal at that transition.

Abstract: A method and apparatus for preventing damage to an industrial door during an impact, the apparatus including a roller door having a plurality of lamellae, and a plurality of end pieces connectable to the lamellae. The industrial door also includes a drive system, connectable to the plurality of end pieces for raising and lowering the door. The lamellae include a plurality of openings formed therein and, arranged on at least one distal end thereof. The end pieces include a plurality of friction fit security devices for engaging the openings.

Abstract: A blind fixing holder includes a first convex wall and a second convex wall facing each other for assembling a roller thereon. The first and the second convex wall are respectively and symmetrically bored with a vertical slide groove and a horizontal slide groove communicating with each other. The vertical slide groove has its upper end formed with an opening and its lower end formed with a contracted neck. Thus, the opposite ends of the roller can be fitted in the horizontal slide grooves and shifted therein through the openings and the contracted necks of the two opposite vertical slide grooves. The roller can be shifted leftward or rightward in the horizontal slide groove for the pull cord at either side of the blind to be wound and supported thereon.

Abstract: A blind fixing core has its upper portion axially formed integral with two ladder cord slots and two ladder strap slots. The two ladder cord slots are positioned in the upper center of the fixing core and their slot pitches are gradually contracted toward the rear ends that are respectively expanded to form a positioning hole. The two ladder strap slots are respectively positioned at the outer sides of the two ladder cord slots and have their lower sides respectively provided with a positioning rod. The two ladder strap slots further have their opening ends respectively extending inward horizontal to form a position-limiting hook. The fixing core of this invention can be assembled thereon with both ladder cords and ladder straps, increasing adaptability of blind fixing cores.

Abstract: A sectional door movable between a closed vertical position and an open horizontal position having, a plurality of adjacent panels joined by hinges for articulation in moving between the closed vertical position and the open horizontal position, each of the panels having a facer defining the perimeter of the panels by longitudinal edge extensions terminating in ends, the hinges and the longitudinal edge extensions configured to maintain a clearance between the longitudinal edge extensions of the adjacent panels during articulation thereof, and an up-bow in the longitudinal edge extensions to prevent sagging that could result in interference between longitudinal edge extensions of the adjacent panels when the panels are substantially in the horizontal position.

Abstract: An overhead opening door lock device for use with existing types of door systems having horizontally hinged panels carried on rollers confined within channeled roller tracks is attached on the interior side of the door and fixes the door in position relative to the roller track. One leg of a U-shaped device is inserted in the hollow interior of a tube that serves as an articulation axis for a pair of hinged panels. The other leg of the U-shaped device penetrates a suitably positioned aperture in the web of the adjacent channeled roller track. A shear pin or padlock shank may be inserted through an aperture in a tip portion of the other leg that projects past the outside plane of the roller track web.

Abstract: An elevator door system includes a motor, a vertical reel, and a door attached at a first end to the vertical reel for winding and unwinding thereupon. A force transmission device interconnects a second end of the door and a compensation device whereby the motor simultaneously drives the vertical reel and the compensation device having a variable diameter. In use, as the door is unwound from the vertical reel, the force transmission device is simultaneously wound upon the compensation device. Hence, not only is a thrust exerted on the door by the vertical reel, but a drag is exerted thereupon by the force transmission device. Furthermore, the compensation device has a variable diameter to compensate for, amongst other things, the changes in the diameter the door wound on the vertical reel. Hence, the tension in the force transmission device and the door can be kept substantially constant during operation.

Abstract: A door system includes a reel, a door interconnect at a first end to the reel for winding and unwinding thereupon and one or more guide channels. The reel is rotatably mounted on a lever which is pivotally mounted to a pivot axis. Thus, the reel can pivot about the pivot axis to ensure that, during operation, a point at which an outer layer of the door engages/disengages with the penultimate door layer remains in the same general location with respect to the guide channels and accordingly, an angle (if any) at which the door enters the guide channels remains constant throughout operation of the door system.

Abstract: An inflatable temporary door for sealing the opening of a door frame. The inflatable door has a plurality of openings therein such that power cords, vacuum hoses, or the like are disposed through the inflatable door for use on the opposite side of the door frame. Additionally, the inflatable door has a C-shaped opening so that a person may enter or exit the door without removing the inflatable door. The inflatable door also has a plurality of straps that releasably attach to a bracket that is frictionally engaged to a doorframe to secure he inflatable door within the doorframe.

Abstract: A transparent temporary replacement window that can be conveniently and easily attached to cover the opening that is left when there is a broken window. The material consists of clear Acetate film that can be cut to size to fit over the opening of a broken vehicle window. Either a side window or rear window can be covered by the temporary window. Magnetic tape will be used to attach the film to the frame. the present Invention relates to a temporary window that can be used to cover the opening left when there is a missing window. To be specific, a sheet of flexible film will be cut to size then attached to the frame by magnetic tape. The magnetic tape will allow easy removal, with no damage to the vehicle's paint. The original idea derived from my experience with a broken rear window. I had no means to purchase another glass window at the time, so I covered the opening with cardboard. I have seen many other individuals resort to various methods, such as, being exposed to the elements.

Abstract: A security screen comprising a frame having an outer edge which defines the outer perimeter of the frame and further having an inner edge (11b) which surrounds an open portion of the frame, the outer edge of the frame being dimensioned such that in use the security screen is receivable across an opening to close the opening, a perforate sheet element (29) received in the open portion of the frame to close the open portion, the edge of the sheet element being formed with a lip (31) extending from one face of the sheet element, the inner edge of the frame formed with a recess (13) having an entry extending across at least a portion of the width of the inner edge, the recess extending along the inner edge, the recess having two opposed side faces (15, 16) extending from the inner edge, one side face (16) of the recess having a zone (23) located inward of the inner edge and extending laterally from the recess, the edge of the sheet element received within the recess such that the lip is located within the zone an

Abstract: A process for the production of paper, board and cardboard by draining a paper stock containing interfering substances in the presence of polymers which contain vinylamine units and which have an average molar mass Mw of at least 1 million, a high-consistency stock first being prepared, at least one polymer containing vinylamine units and having an average molar mass Mw of at least 1 million and a degree of hydrolysis of from 1 to 20 mol % being metered into the high-consistency stock, the high-consistency stock being diluted to a low-consistency stock by adding water, and the low-consistency stock being drained, and the use of hydrolyzed homo- or copolymers of N-vinylcarboxamides having a degree of hydrolysis of from 1 to 20 mol % and an average molar mass Mw of at least 1 million in the production of paper, board or cardboard as an additive to a high-consistency stock containing interfering substances, for reducing deposits in the wire part, press section and drying section of paper machines.

Abstract: A process for the production of paper by introducing a suspension of ultrafine calcium carbonate particles to a fiber-containing suspension. A method for improving the dewatering of a fiber-containing suspension. Use of a calcium carbonate suspension comprising ultrafine particles of calcium carbonate as a substitute for colloidal silica as a dewatering agent in the formation of paper from a fiber-containing suspension. At least one ionic polymer is introduced in the fiber-containing suspension.

Abstract: A process and a device for dewatering a fiber web 3, especially a paper web, using vacuum. The vacuum seen by a given unit are of the web is pulsed between a maximum value V and a minimum value. At least one suction box 7 is provided with perforations beneath the running web where the vacuum is applied with a pulsating effect on the web.

Abstract: A headbox apparatus is disclosed for a papermaking machine. The headbox apparatus defines a flow path for stock flowing between an upstream header and a downstream slice lip. The apparatus includes a plurality of elements which are anchored within the flow path between the header and the slice lip. Each element and an adjacent element of the plurality of elements defines therebetween a flow tube for the flow therethrough of the stock. The flow tube has an upstream portion and a downstream portion that gradually widens in a direction from the header to the slice lip.

Abstract: A system and method for removing an yttria-based core material from a part of a niobium-based material is presented. The yttria-based core material is rapidly removed from the niobium-based part without detrimentally affecting the properties or surface of the part.

Abstract: A method for removing a casted part, for use in a die casting machine comprises the steps of setting a position in which a chuck performs an operation to grasp a casted part attached to a movable mold as a position from which the casted part is to be removed, and setting a relative positional relationship between a handle portion which is a part of the casted part attached to the movable mold to be grasped by the chuck and a movable die plate. The method further comprises the step of advancing the chuck between the movable mold and the fixed mold and positioning the chuck at the position from which the casted part is to be removed, in parallel with the movement of the movable die plate.

Abstract: Disclosed is a metal molding conduit assembly 600. The assembly includes a conduit passageway 602 configured to pass a volume of molten metal 604 located upstream of a passageway blockage 606 that is formable in the conduit passageway 602. The passageway blockage 606 is maintained soft enough to be pushed past through an entrance of a mold cavity 608 in response to the passageway blockage 606 experiencing the injection pressure applied to the passageway blockage 606.

Abstract: Disclosed is a metal molding conduit assembly 700, including a conduit passageway 702 configured to pass a volume of molten metal 704 located downstream of a mechanical valve 706 that is not operatively connected to an injection unit 708 of a metal molding system 710.

Abstract: Disclosed is an injection molding system usable for molding of a metal alloy above a solidus temperature of the metal alloy, the injection molding system, having a hot runner, including: (A) a manifold plate, and (B) a manifold abutting the manifold plate, the manifold having a drop, the manifold configured to transfer a load to the manifold plate along a direction extending inclined relative to the drop. Disclosed is a hot runner of an injection molding system usable for molding of a metal alloy above a solidus temperature of the metal alloy, the hot runner, including: (A) a manifold plate; and (B) a manifold abutting the manifold plate, the manifold having a drop, the manifold configured to transfer a load to the manifold plate along a direction extending inclined relative to the drop.

Abstract: A plugged assembly of cores includes a first core having a first end portion, and a second core having a second end portion. The first end portion of the first core is connected to the second end portion of the second core by a mortise and tenon type connection to form an assembly of the two cores having residual spaces formed by the mortise and tenon type connection, such residual spaces being liable to give rise to flashings when metal is poured over the assembly if not plugged. Residual spaces formed by the mortise and tenon type connection in the assembly of the two cores contain a material configured to reduce the possibility of flashings.

Abstract: A method for the production of cast steel strip in a continuous procedure includes casting a steel melt into a casting gap having longitudinal sides of which are formed by walls that move during the casting process, to form the steel strip, and holding the steel melt, which is present above the casting gap in a melt pool, under an atmosphere containing nitrogen and hydrogen. This method allows the production of high-quality steel strips having a significantly improved surface composition compared to the prior art in that the hydrogen content of the atmosphere is greater than 0 mol % to 10 mol %, and the Cr, Mo, Nb, Si, Ti, Ni, Mn, C or N contents of the cast steel melt, which are selectively present in each case for adjusting the characteristics of the steel strip, are in each case selected so that a ratio Creq/Nieq?1.7.

Abstract: The invention concerns a die for producing a casting, particularly a component for a motor or other engine, from a reactive molten non-ferrous metal charge using a casting mould and a method for manufacturing the die. The die consists of a casting mould which has a front layer area which comes into contact with the reactive non-ferrous molten metal charge and a top layer area mechanically stabilising the front layer area, the front layer area consisting of a minimum of one rare earth oxide and a minimum of one additional metal oxide, the minimum of one additional metal oxide being selected from the group of oxides of the following metals: titanium and nickel.

Abstract: A structure for a heat-dissipating device includes a radiator, a heat dissipating plate and a fan. The radiator has plurality of radiating fins, flow passages are formed between these radiating fins which are divided into middle part and two-side parts. The lower ends of the radiating fins in two-side parts each provides at least one passageway which is connected to some of the flow passages. A heat dissipating plate includes two opposing sides which provide notches relative to the passageway of the radiator respectively. The radiator is set on the heat dissipating plate which can be set on the heat-generating component. A fan is disposed over the radiator. The structure can channel partial airflow generated by the driving fans off the radiator with the two-side flow passages and the passageway of the radiator to flow to the other heat-generating components.

Abstract: A heat dissipation device includes a base, a first and second fin sets on the base, and a fan located atop the first and second fin sets. The base has a first face for contacting with an electronic device, and two sloped faces extending from the first face and toward each other. The first fin set defined a channel receiving the base therein. A plat extends from an end of the first face of the base. The second fin set is arranged on the plat of the base. The first face of the base has two grooves defined therein. A retaining member is attached to the first face of the base and has two retaining bars thereof fitted in the two grooves of the first face, respectively.

Abstract: A combination includes an extruded heat sink and a fan secured to the heat sink. The heat sink includes a planar fin and an L-shaped fin. The planar fin and the L-shaped fin commonly define a channel and an entrance to the channel. The fan includes lead wires packed together. The lead wires are allowed to pass through the entrance one by one and to be received in the channel side by side after being turned 90 degrees.

Abstract: The object of the present invention is a block manifold for large-sized thermal exchange batteries, comprising a one piece body having a union portion with a fluid piping to be connected to a thermal exchange battery, a plurality of branches to be connected to the pipes of the thermal exchange battery, and an intermediate distribution volume to place the union chamber in communication with the branches, wherein the intermediate distribution volume is coaxial to the union portion. The branches are divided into a first group that extends in the circle of the intermediate volume, on axes parallel to the axis of the union portion, and in a second group of branches that extends from one side of the intermediate volume, perpendicularly to the union portion. The second group of branches allows increasing the circulation of the thermal exchange battery fed by the manifold.

Abstract: A self contained manually operated heat transfer apparatus and method of use is disclosed that includes a substantially sealed reservoir, an insulated handle that is adjacent to the reservoir, and a thermal fluid disposed within a portion of the reservoir. Wherein the heat transfer apparatus is operational to absorb or lose heat in a resource environment and then be manually transferred via the handle to be adjacent to a selected mass for the purpose of heat transfer to or from the mass.

Abstract: Each header tank includes a tank body and a header plate. The tank body includes a top wall, shorter side walls, and longer side walls. Each shorter side wall has joining portions integrally formed via rounded connection portions and extending along the inner surfaces of the longer side walls. The header plate includes a closure wall, shorter side walls, and longer side walls. End portions of each longer side wall of the tank body are curved along the rounded connection portions to form first bent portions. End portions of each longer side wall of the header plate are curved along the first bent portions to form second bent portions. The shorter side walls of the header plate have deformation portions which enter recesses formed between the rounded connection portions of the tank body and tip end surfaces of the first bent portions.

Abstract: A tube bundle heat exchanger has at least one channel that carries a heating or cooling medium, whereby the tubes of the tube bundle extend essentially axis-parallel to the channel longitudinal axis through the channel. The heating or cooling medium is directed through alternating rings and discs fastened to the respective jacket walls of the channel, in a zigzag pattern as seen in the axial direction of the channel. The channel has an essentially annular cross section. In at least one channel, the rings and discs accommodate and position all the tubes of one channel, each by means of cylindrical recesses, and the perimeter contour of the rings and discs on the medium flow-through side follow the mid-points of the outermost or innermost tube bundle tubes. The perimeter contour includes a web that surrounds all of the outermost or innermost tubes.

Abstract: A heat exchanger and a production method thereof are disclosed. A through hole (17) is formed in a second header member (17) of a first refrigerant header tank (14) of segmentation type. A protrusion (20a) of a first connector (20) for pipe connection is deformed by being inserted into the through hole (17b) and thus tacked by engagement. Under this condition, the first header member (16) is fitted and tacked on the second header member (17) so that the first connector (20), the second head member (17) and the first head member (16) are integrally brazed and coupled. By doing so, the first connector (20) can be properly coupled to the first refrigerant header tank (14). Further, the first connector (20) can be tacked by engagement before the first refrigerant header tank (14) assumes a cylindrical shape, and therefore the workability of tacking the first connector (20) is improved.