Abstract: Disclosed herein is a coil spring forming head which is periodically operative to at least partially form coil springs having a plurality of coils and which includes a wire feed advancing mechanism operative to feed the wire which is formed into coil springs, a pitch control mechanism operative to control the diameter of the coils of the coil springs being formed, a diameter control mechanism operative to control the pitch of the coils of the coil springs being formed, and a control including a storage area containing instructions for operation of the wire feed advancing mechanism, the pitch control mechanism, and the diameter control mechanism, a wire feed controller connected to the wire feed advancing mechanism to control operation thereof, a pitch controller connected to the pitch control mechanism to control operation thereof, a diameter controller connected the diameter control mechanism to control operation thereof, and a programmable switching device connected to the wire feed controller, to the pitch

Abstract: An improved cable preparation tool and an accompanying method which, when utilized concurrently, prepare fully shielded cables for termination into connecting devices. A preferred embodiment of the tool has hinged first and second tool handles biased together about a hinge by a resilient member. One end of a tool handle is fitted with a receptacle to receive and mount a detachable blade cartridge assembly which cuts the cable jacket and shielding metallic foils wrapped around individual pairs of insulated wires. A second receptacle is provided in either tool handle to receive a detachable template cartridge assembly which is used to properly position wires for termination into a connector. An exemplary method of cable preparation using the tool includes removing a cutting a cable jacket, cutting a plurality of foils and aligning wires using a single cable preparation tool.

Abstract: Woodworking machines are disclosed having electrically conductive cutting tools adapted to cut workpieces. The machines include a contact detection system capacitively coupled to the cutting tool, and adapted to detect contact between a person and the cutting tool. The machines also include a reaction system configured to cause one or more predetermined actions to take place upon detection of contact between a person and the cutting tool by the contact detection system.

Abstract: A soldering flux includes a solvent, an activator in the solvent, and cationic and nonionic surfactants. The soldering flux can be applied to a substrate, such as a printed circuit board before solder is applied.

Abstract: A rapidly solidified alloy is produced by quenching and solidifying a melt of an alloy having a general formula represented by (Fe1-mTm)100-x-y-zQxRyMz where T denotes at least one kind of element selected from the group consisting of Co and Ni, Q denotes at least one kind of element selected from the group consisting of B and C, R denotes at least one kind of rare earth element, and M denotes at least one kind of element selected from the group consisting of Nb and Mo, and the mole fractions x, y, z, and m respectively satisfy 2≦x≦28 (atom %), 8≦y≦30 (atom %), 0.1≦z<1.0 (atom %), and 0≦m≦0.5 (atom %). The rapidly solidified alloy is then pulverized and sintered to manufacture a rare earth permanent magnet. The cooling rate is controlled to be in the range of 102 K/sec to 104 K/sec, so that the alloy structure is uniformly fine and the added element M is uniformly dispersed.

Abstract: An iron-based rare earth alloy magnet has a composition represented by the general formula: (Fe1-mTm)100-x-y-zQxRyMz, where T is at least one element selected from the group consisting of Co and Ni; Q is at least one element selected from the group consisting of B and C; R is at least one rare earth element substantially excluding La and Ce; and M is at least one metal element selected from the group consisting of Ti, Zr and Hf and always includes Ti. In this formula, the mole fractions x, y, z and m meet the inequalities of: 10 at %<x≦20 at %; 6 at %≦y<10 at %; 0.1 at %≦z≦12 at %; and 0≦m≦0.5, respectively.

Abstract: Disclosed is a thin alloy ribbon prepared by the strip casting method as an intermediate for the preparation of a sintered rare earth-based permanent magnet or, in particular, a neodymium/iron/boron-type permanent magnet. The thin alloy ribbon is characterized by a specific volume fraction of the four-phase coexisting region consisting of the &agr;-iron phase, R-rich phase, RxT4B4 phase and R2T14B phase each having an average grain diameter in a specified range and a specific volume fraction of the chill crystalline phase. When these requirements are satisfied, the sintered rare earth-based permanent magnet prepared from the thin alloy ribbons can be imparted with improved magnetic properties and high sintering density even without increasing the sintering temperature.

Abstract: Improved Fe—Hf—C—N and Fe—Hf—N materials and preparation methods thereof are disclosed. Such materials possess a high saturation magnetic flux density and an excellent soft magnetic property at a high frequencies of more than tens of MHz, without requiring an additional heat treatment, while avoiding an amorphous phenomenon therein and increasing grain energy. An iron-based soft magnetic thin film alloy has an empirical formula of FexHfyCzNv (where, x, y, z, and v respectively denote atomic %, 68≦x≦85, 4≦y≦10, 0≦z≦12, 3≦v≦20, 15≦y+z+v≦32, and x+y+z+v=100), and its fine structure is formed of nano size crystalline grains including nitrides or carbides of &agr;-Fe and Hf.

Abstract: A TRIP-type high strength steel plate having good workability is provided which, while reducing the amount of alloying elements added which increase the production cost, ensures a contemplated retained austenite structure, has good adhesion to zinc plating, and can also be applied to highly corrosion resistant surface treated steel plates. The high strength steel plate having improved workability and plating adhesion is such that a high concentration, i.e., 0.03 to 2.0% by weight, of nitrogen is incorporated, the contents of silicon and aluminum, which form nitride, are preferably regulated respectively to not more than 0.5% by weight and not more than 0.3% by weight, and, in addition, calcium, sodium, magnesium, etc. are optionally added to control the formation of iron nitride, whereby the volume fraction of the retained austenite phase in the metal structure is regulated to 3 to 20% by weight.

Abstract: The power transmission shaft 12 is made by applying induction hardening to carbon steel with hardening ratio in a range from 0.25 to 0.50. For the carbon steel, one containing 0.39 to 0.49% of C, 0.4 to 1.5% of Si, 0.4 to 1.0% of Mn, 0.025% or less S, 0.02% or less P and 0.01 to 0.1% of Al by weight as the basic components, with the rest comprising Fe and inevitable impurities is used. This makes it possible to achieve higher strength and lighter weight of the power transmission shaft.

Abstract: A method of producing a sheet article or other elongated product of solution heat treated aluminum alloy substantially free of permanent thermal distortion. The method involves subjecting an article made of a heat-treatable aluminum alloy to a solution heat treatment, cooling the article in a gas from the solutionizing temperature to an upper critical temperature below which precipitation of second phase particles of the alloy may occur, further cooling the article in a gas/liquid from the upper temperature to a lower critical temperature below which precipitation of the components may no longer occur, and optionally additionally cooling the article to a temperature below the lower critical temperature. The cooling of the article in the gas is carried out at a rate of cooling at which the yield strength of the article remains high enough to resist permanent deformation caused by thermal stress generated within the article by the cooling.

Abstract: A heat treatment method of steel is capable of enhancing wear resistance, mechanical properties and dimensional stability of the steel due to the reduction of the retained austenite amount to substantially zero. In the method, an article of the steel is subjected to a quenching and then subzero treatment including cooling it at a cooling rate of 1 to 10° C./min. to a cooling temperature and holding the cooling temperature for a predetermined period of time.

Abstract: A heat sink substrate comprises a Cu—Mo composite substrate composed of a molybdenum (Mo) green compact with which Copper (Cu) of 20-60 wt % is impregnated. It is preferable that the heat sink substrate is a rolled plate obtained by repeatedly warm rolling or cold rolling the Cu—Mo composite substrate and that the rolled plate does not include any fine void and unevenly impregnated copper, that is, copper and molybdenum are uniformly distributed therein.

Abstract: A pneumatic tire for vehicle wheels includes a radial carcass, a tread band, sidewalls and beads, and a belt structure. The tread band is provided with grooves on its surface for coming into contact with the ground and situated on a radial outer surface of the carcass. The sidewalls and beads anchor the tire on a wheel rim. The belt structure is disposed between the tread band and the carcass. Additionally, a fiber-reinforced elastomeric intermediate layer is placed between the belt structure and the tread band. Methods for manufacturing the pneumatic tire are also disclosed.

Abstract: A pneumatic tire which comprises a tread portion with a pair of tread edges, and a tire shoulder extending radially inwardly from one of the tread edges, provided with a curved surface comprising a convex curve, wherein, on a cylindrical surface centered on the tire axis and intersecting the curved surface, the convex curve swells axially outwards and has a curvature, and the curvature gradually diminishes towards the radially inside from the tread edge. It is possible that the tread portion is provided along the tread edges with a circumferentially extending rib and/or a circumferential row of blocks. In case of circumferential rib, the rib is provided with the curved surface comprising a plurality of the convex curves and a plurality of convex curves alternating therewith so that the curved surface is waved in the tire circumferential direction. In case of blocks in a circumferential row, it is preferable that each block is provided with the curved surface comprising at last one convex curve.

Abstract: A tread for a tire bearing heavy loads, the tread being made of a rubber mix and having at least one incision defined by opposing walls, each wall having elements in relief intended to cooperate with the elements in relief of the facing wall in the contact of the tread with the roadway. The width of the incision is at a maximum in that region of the tread which undergoes the maximum deformations due to the Poisson effect resulting from the loading of the tread in the contact with the roadway, in order to obtain more effective cooperation of the walls defining said incision in the contact.

Abstract: A releasing device for snow chains comprising an inner side portion (2) closable as a ring, suitable to be placed on an inner part of a tire (3), an outer side portion (4) suitable to be placed on an outer part of the tire (3), said portions being joined by variously composed elements (5) creating the tread traction, the releasing device comprising a closing device (8), for closure as a ring of the inner side portion (2) and an operating device (50), that can be operated by the user from the outside of the tire to open the closing device (8), the operating device (50) comprising protective means (53, 55) suitable to make it more stable and the closing device (8) being able to be opened manually even without the aid of the operating device.

Abstract: A pneumatic tire comprises a carcass extending between bead portions through a tread portion and sidewall portions, and a belt disposed radially outside the carcass in the tread portion, wherein at least one of the carcass and the belt is reinforced with aliphatic polyketone fiber cords having specific characteristics.

Abstract: A pneumatic tire comprises a bead portion, a carcass wound around a bead core having a polygonal form from an inside of a tire toward an outside thereof in a radial direction and a bead filler arranged on an outer periphery of the bead core, wherein a reinforcing layer comprised of an organic fiber cord(s) or a metal wire(s) extended substantially in a circumferential direction of the tire is arranged in a position adjacent to the bead filler.

Abstract: The external surface of a tire 1 except for a tread surface 9 thereof or the external surfaces of shoulder portions 12 and side portions 10 of the tire 1 are covered with a coating 13 formed from fluorine rubber which makes difficult the transmission of HC.

Abstract: A method of forming a meltblown web having meltblown fibers and particles is provided. The particles are heated to a temperature approximating that of the meltblown fibers as they are being extruded. As a portion of any heated particle impacts the skin of one or more solidifying meltblown fibers, that portion of any heated particle penetrates into one or more solidifying particles. Although a portion of any particle becomes embedded in and retained by one or more meltblown fibers, such surface penetration is generally slight desirably leaving a substantial amount of surface area of any particle available for interaction with any medium to which a web may be exposed.

Abstract: A heating-element in a welding device for heating up plastic molded parts region by region during the welding operation is proposed, comprising at least two shell-shaped heating elements (2, 3) resting on the outside on the plastic molded parts in the region of the weld, the heating elements being of a rotationally symmetrical design, each heating element (2, 3) having a central region (7) and two edge regions (8, 9) arranged adjacently on both sides of the central region in the axial direction and designed in an axially symmetrical manner, and the edge region being formed from a material which has a lower thermal conductivity than the material of the central region.

Abstract: An apparatus for recapping tires which includes a frame made up of two associated support structures, a first support structure including a mandrel for support of the tire, which mandrel rotates on a shaft, the mandrel being mounted for translation on the first support structure, and a second support structure to support tools for recapping of the tire, which tools are mounted for translation on the second support structure in a direction approximately perpendicular to the translation of the mandrel, characterized in that the direction of translation of the mandrel is parallel to the rotational shaft of the said mandrel.

Abstract: A method and apparatus for applying a tread band onto a tire carcass of a tire which is to be fabricated or a tire which is to be retreaded are provided and include feeding a tread band onto the tire carcass via a tread band feed device while the tire carcass is rotated and in conjunction with the pressing of the tread band against the tire carcass by a pressing device. The tread band has a shorter length before its application onto the tire carcass than its length following the application thereof onto the tire carcass. A tension force is exerted on the tread band via at least one clamp clamped on the rearward end of the tread band to produce thereby a constant tension in the tread band.

Abstract: Articles of apparel and the method of making the same which include a sealable cuff portion and a shaped body portion that will allow water vapor due to perspiration to transpire through the article but will prevent water from external sources from reaching the wearer's extremities. The articles of apparel include a body portion that is of three-ply construction with the inside and outside plies being knit and the intermediate ply being made from an elastomeric polyurethane film. The three plies are uniquely bonded together using a pliant, waterproof adhesive. The sealable cuff portion is of a two-ply construction with the outside ply being an elastic knit and the inside ply being a continuation of the elastomeric polyurethane film of the body portion.

Abstract: Use of a piece of adhesive film for bonding

Abstract: A production apparatus of an interior trim component covered with a surface skin material having a plurality of different portions in such a manner that each boundary line of the different portions is hidden in a groove or valley provided in the substrate of the trim component, which includes a pair of confronted molding dies, a carrying-in device for introducing the surface skin material into a space between the confronted molding dies in such a manner that the boundary line of the surface skin material is positioned in engagement with the corresponding internal projection formed on a molding surface of either one of molding dies, a thrust mechanism including a thrust member assembled within the other molding die to be projected from its molding surface toward the internal projection of the confronted molding die and retractable therefrom and an actuator mounted to the other molding die for forwarding the thrust member toward the internal projection so that a distal end of the thrust member is brought into e

Abstract: The present invention provides a method of forming an abradable seal between rotating and non-rotating components of a machine. A sheet of abradable material is formed and then cut to a desired shape to form an abradable sheet piece. An adhesive composition is applied to at least a portion of a substrate surface and the sheet piece is contacted with the adhesive composition to adhesively bond the sheet piece to the substrate to form the abradable seal. An abradable seal is also provided having an adhesive composition deposited over at least a portion of a substrate surface with an abradable sheet piece bonded to the substrate by the adhesive composition.

Abstract: A system for applying a thin film of molten thermoplastic to the edge of a cut fabric includes a feeder for providing a source of fabric or textile; a slitter for cutting the supplied fabric or textile; and at least one thermoplastic applicator having an applicator tip for applying a molten thermoplastic to the cut fabric. The system provides for cutting fabric and maintaining the integrity of the edge thereof by the application of the molten thermoplastic.

Abstract: A substrate processing apparatus comprises a processing chamber; a susceptor on which a substrate to be processed is to be placed; and a heating unit disposed below the susceptor for heating the substrate to be processed placed on the susceptor. The susceptor and the heating unit are accommodated in the processing chamber, and in a state in which the susceptor and the heating unit are relatively rotated, the substrate to be processed is processed. At least the susceptor is lifted and lowered in the processing chamber, and a substrate to be processed lifting and lowering apparatus for lifting and lowering the substrate to be processed with respect to at least a portion of the susceptor is disposed in the processing chamber.

Abstract: A system and method for two-sided etch of a semiconductor substrate. Reactive species are generated and flowed toward a substrate for processing. A diverter is positioned between the generation chamber and the substrate. A portion of the reactive species flows through the diverter for processing the front of the substrate. Another portion is diverted around the substrate to the backside for processing. A flow restricter is placed between the substrate and the exhaust system to increase the residence time of reactive species adjacent to the backside.

Abstract: A substrate holding apparatus comprises a substrate holder body having a substrate holding side facing a polishing surface and holding a substrate on the substrate holding side and a retainer ring fixedly secured to the substrate holder body. The retainer ring is arranged to surround an outer periphery of the substrate held by the substrate holder body so that the retainer ring engages with the polishing surface radially outside the substrate as the polishing of the substrate is effected. The substrate holder body is provided with a membrane having inside and outside surfaces. The inside surface cooperates with a surface of the substrate holder body to define a fluid pressure chamber to which a fluid pressure is applied. The outer surface engages with the substrate held by the substrate holder body.

Abstract: A flat cable includes first and second insulator sheets, and a plurality of conductor elements arranged in parallel relation to one another over the length of the sheets. The first insulator sheet is provided with an adhesive layer. The conductor elements are interposed between the adhesive layer and the second insulator sheet. The first and second insulator sheets are first press-adhered under heat through the adhesive layer, and then bonded by an ultrasonic welding unit. The ultrasonic welding unit includes a horn for imparting ultrasonic oscillations, and an anvil placed in opposition to the horn. The first and second insulator sheets are bonded in the zones which extend along the length of the sheets and are located outside the loci where the conductor elements are arranged. The bonding is performed either continuously or in an intermittent manner. In a flat cable thus produced, the conductor elements embedded therein are efficiently prevented from mutual short-circuiting.

Abstract: A bonding apparatus has a relay stage for a chip, a bonding head, and a substrate stage. The bonding head and the substrate stage are moved relatively so that the chip is bonded to the substrate. A delivery mechanism having a retention portion for retaining the chip and the substrate is provided movably relatively to the relay stage and the substrate stage. The chip retained by the retention portion is mounted onto the relay stage, while the substrate retained by the retention portion is mounted onto the substrate stage, or while the retention portion retains the substrate mounted on the substrate stage.

Abstract: An automatic device for mounting and removing a tire (6) onto and from the relative wheel rim (5), comprising, for supporting the wheel rim (5) complete with tire (6), rotary means associated with a frame (7) which supports an operating head (16), positionable in level and horizontally translatable, provided with at least one demounting tool (25) which can rotate about an axis perpendicular to the main axis of said operating head (16) to be positioned between a first position for seeking and gripping the bead of the tire (6), in which the tool (25) is orientated towards the center of the wheel rim, and a second position for extracting said bead of the tire (6) from the wheel rim, in which the tool (25) is perpendicular to the axis or is orientated in the opposite direction.

Abstract: The invention provides a combined decorative and utility unit, which has a decorative screen assembly as its basic element. The screen assembly can be combined with other appliances to achieve a variety of utility purposes such as sun blinds, screen windows, window privacy partitions, decor wall panels, and decorative storage units. The screen assembly has a laminar member, preferably having a graphic display, attached to frame members. Relative positions of the frame members may be adjusted by a cam arrangement to vary tension in the laminar member. The screen assembly can be horizontally attached to a wall to work as a decor wall panel, or vertically attached to a wall as a divider or a poster. When combined with supporting means, the screen assembly can stand on the ground to work as sun blinds or window privacy partitions.

Abstract: The strength properties of chemical cellulose pulp (particularly kraft pulp) are improved by substituting a cold impregnation soak for conventional impregnation procedures. After steaming, wood chips are soaked in an alkaline liquid at a temperature of about 80-110° C. (preferably 80-100° C., or 90-105° C.) for between one-half-72 hours (typically about 2-4 hours) at a pressure of about 0-15 bar (preferably about 1-5 bar), to dissolve at least about 8% of the wood (preferably about 10-20%) and at least about 15% of the lignin. The alkaline liquid used preferably contains sulfide (e.g. black liquor, green liquor, white liquor, or mixtures thereof), but almost any alkaline liquid having an alkali concentration of about 1.0 mole of NaOH/liter or less (typically about 0.75 m/l or less) is suitable. The wood chips are then raised to a cooking temperature of about 145-180° C. and cooked to produce the cellulose chemical pulp.

Abstract: In a semi-molten metal injection molding method of producing a thin molded product by injecting a semi-molten metal M of a magnesium alloy, in a semi-melting state, into a cavity of a mold through a product gate, characterized in that it is made possible to obtain a high-quality thin molded product by maintaining satisfactory fluidity of the semi-molten metal M. A grain size of the solid fraction in the melt M is set to not more than 0.13 times the average thickness of the product portion of the thin molded product and a molten metal velocity at the product gate is set to not less than 30 m/s and, moreover, a solid fraction Fs (%) of the semi-molten metal M and a grain size D (&mgr;m) of the solid phase of the semi-molten metal M are set so as to define the relationship Fs×D≦1500.

Abstract: A metal hollow member having a plurality of hollow portions extending in a longitudinal direction thereof and communication apertures formed in a partitioning wall partitioning adjacent hollow portions is formed by: extruding a molten extrusion material through a die comprising a female die for forming an outer peripheral portion of the metal hollow member and a male die including a plurality of hollow-portion-forming protrusions corresponding to the plurality of hollow portions; and intermittently supplying fluid insoluble in the molten extrusion material into the partitioning wall from a bottom portion of a groove formed between the adjacent hollow-portion-forming protrusions while extruding the molten extrusion material, whereby the plurality of communication apertures are formed by fluid-released-apertures from which the fluid is released.

Abstract: A start-up billet head for a continuous casting machine for metal closes off an outlet of the casting die before start-up of the casting process. The start-up billet head has a coupling part facing an interior of the casting die and forms together with a billet cast in the casting die a positive-locking, hook-shaped connection. The connection can be decoupled after leaving the casting die by performing a tilting movement of the start-up billet head about a joint of the start-up billet. The coupling part has a recess with a first side active in a billet removal direction and a second side facing the first side. The first and second sides have oppositely oriented arc shapes. The coupling part has the shape of a preliminary billet profile with at least one undercut located in the area of at least one flange or angled joint of the preliminary billet profile.

Abstract: A method and apparatus for the direct production, from molten metal, of scale-free thin metal strip. Hot thin metal strip exiting a continuous caster system is directed to a reducing chamber wherein a reducing gas reduces strip surface oxides while the cast metal strip is at an elevated temperature from retained heat from the molten metal. A cooling unit following the reducing chamber is used to cool the strip to a temperature below about 150° C. prior to exposing the strip to an oxidizing atmosphere. In various embodiments of the invention, strip thickness is reduced with use of hot and cold rolling mills and the scale-free surface of the strip is coated with protective coatings.

Abstract: A method and an apparatus for continuous casting plants for producing strands whose cross-section is reduced during solidification. The continuous casting method for producing strands, wherein the cross-section of the strands is reduced during the solidification, includes casting into a mold, particularly an oscillating mold, and reducing the strand cross- section linearly over a minimum length of the strand guiding unit immediately underneath the mold, i.e., casting and rolling, and subsequently carrying out a further strand cross-section reduction through the remaining strand guiding unit, i.e., soft reduction, up to maximum reduction immediately in front of the final solidification or sump tip.

Abstract: An apparatus and associated method for manipulating an electrode comprising a stub, an electrode, and a yoke. The stub is affixed to and protrudes from the electrode, and has a first opening. The yoke is sized to receive at least a portion of the stub, and has a second opening positioned for alignment with the first opening of the stub and receipt of a locking member extending through the first opening and the second opening. The apparatus may include a current conducting tube. The elongated yoke may extend around at least a portion of the stub to be removably pinned thereto. The current conducting tube may extend around the elongated yoke to be in electrical contact with the stub.

Abstract: A heating and cooling apparatus with which batch processing is possible and throughput can be increased, and furthermore which is more compact and uses less energy. A substrate heating chamber and a substrate cooling chamber each capable of simultaneously holding a plurality of substrates are provided in a thermally separated state in a heating and cooling apparatus with a single vacuum processing chamber. The substrate heating chamber is equipped with a plurality of communicating or non-communicating substrate holding spaces. The substrate cooling chamber is also equipped with a plurality of communicating or non-communicating substrate holding spaces. The communicating substrate holding spaces allow the batch heat treatment of substrates, while the non-communicating substrate holding spaces allow the batch or individual processing of substrates.

Abstract: A fan device mounted on the top opening of a cylindrical cooler. Fan comprises a ring plate member, a seat, a plurality of blades, and a plurality of ribs interconnected between the ring plate member and the seat. Blades are rotationally mounted on seat. The bottom of fan is abutted on the inner bottom surface of cooler. Wind generated by the activation of blades is directed toward cooler. As such, the heat transferred from a heat source may be effectively radiated to the outside.

Abstract: A grid for intercepting solid elements circulated in a heat exchanger to clean it; the grid includes a frame (33) and molded grid members (36) assembled onto the frame (33); the frame (33) is made up of parallel sheet metal chevrons (34) disposed at a regular pitch and transverse cross members (35) and an articulation shaft (31) passing through and welded to the chevrons; the grid members are globally rectangular and extend successively between two plates (34). A control installation for solid cleaning elements, includes the above kind of grid.

Abstract: In a chemical heat pump a substance is used which in an efficient way interacts with a volatile liquid such as water. The substance is selected considering among other things the magnitude of its &Dgr;T and its energy content so that the heat pump becomes suited for converting low grade heat energy such as solar energy to cooling for airconditioning and also for a simultaneous production of heat for example for use as hot tap water in houses. The heat pump can also be used in a refrigerating box. Suitable substances comprise barium hydroxide, lithium hydroxide, strontium bromide and cobalt chloride. The substance is applied as a layer (23) on the surface of a heat conducting wall (22) by applying a slurry-like mixture of the substance with the liquid when being vibrated to the wall between heat conducting flanges 25). The mixture is dried under a vacuum and is heated and is simultaneously compressed by applying an exterior pressing force.

Abstract: Waved uneven portions (112f, 122f) are formed on the protrusion portions (112e, 122e) of the fins (112, 122) protruded from an end of the tubes (111, 121) in the width direction of the tube without cutting part of the protrusion portions (112e, 122e) to increase the surface area of the fins (112, 122). As a result, the surface area of the protrusion portions (112e, 122e) may be increased without decreasing the thermal conductive area extending to the end of the protrusion portions (112e, 122e), and thereby a sufficient amount of heat may be conducted especially to the protrusion portions (112e, 122e), with decreasing airflow resistance, and an improvement in radiation ability appropriate to the increase of radiation area may, accordingly, be achieved.

Abstract: The present invention relates to a heat exchanger in which a plate-shaped cooling medium flow portion (11) provides an internal cooling medium flow path inside by laminating two flat plates (13, 14) subjected to drawing and a cooling fin are alternately laminated, a cooling medium inlet (15) for allowing a cooling medium to flow into the cooling medium flow path and a cooling medium outlet (16) for allowing the cooling medium passing through the cooling medium flow path to flow out are formed in said two flat plates, and the cooling medium flowing from the cooling medium inlet to the cooling medium flow path is passed through said cooling medium flow path and is then allowed to flow out of the cooling medium outlet.

Abstract: A device for heating and/or air conditioning the passenger compartment of a motor vehicle comprises a first fan (16) able to send a first air flow (F1) through a first part of a heating radiator (14) and a second fan (32) able to send a second air flow (F2) through a second part of this radiator, distribution means (42, 62) being provided for distributing the first and second air flows between a deicing outlet (52), a ventilation outlet (54) and a feet-level outlet (56). The device makes it possible to generate two independent air flows and to send them to the top part and bottom part of the passenger compartment of the vehicle.