Abstract: A composite aluminum alloy profile and a preparation method therefor. The composite aluminum alloy profile includes an outer decorative profile, a polyurethane elastomer structural adhesive, and an inner frame profile. The inner frame profile is an integral component of alkali-free glass fibers and polyurethane resin formed by one-time extrusion, and the inner frame profile comprises one upper closed cavity and one lower closed cavity for a total of two cavities and a reinforced heat insulation rib plate between the upper closed cavity and the lower closed cavity; and the outer decorative profile is connected to the inner frame profile through the polyurethane elastomer structural adhesive.

Abstract: A method of forming a headliner for a vehicle includes forming the headliner into a desired shape from one or more materials. The headliner includes a headliner cutout portion corresponding to an opening through the headliner. A reinforcement bracket preform is formed into the headliner cutout portion during the step of forming the headliner. The headliner cutout portion is removed from the headliner. The reinforcement bracket preform is removed from the headliner cutout portion and a shaped reinforcement bracket is formed.

Abstract: Nozzles for plasma torches and plasma torch systems utilizing such nozzles are provided herein. One such nozzle may include a body having a first end, a second end having an exit orifice disposed therein, and a passageway extending from the first end to the second end and adapted to enable the flow of plasma gas from the first end, through the passageway, and to the exit orifice. Greater than or equal to approximately 50% of an overall mass of the body is distributed between the second end and a midpoint of the body with respect to a longitudinal length of the body.

Abstract: A link chain, in particular bush chain, comprising an inner link plate with a bush, an outer link plate with a pin, wherein the pin and bush form a chain joint, wherein a sealing arrangement is provided for sealing the chain joint, wherein the sealing arrangement is arranged between the inner link plate and the outer link plate, and wherein the sealing arrangement comprises a seal and a seal-accommodating space, characterized in that in that the seal-accommodating space is formed from a thrust washer and an annular cutout, in particular in the outer link plate, wherein a ring, which is designed in the form of a metal ring, is arranged in the seal-accommodating space, or in that the seal-accommodating space is formed from a thrust washer and an accommodating washer.

Abstract: Methods for producing systems for the transdermal or permucosal administration of active substances and particularly transdermal therapeutic systems (TTS), wherein the active substance depots thereof have a shape that deviates from a rectangular design.

Abstract: A modular truss joint is a web plate with at least three connectors. Each connection includes a web integrally formed as a portion of the web plate of a certain length. Each connection is positioned at a connector angle with respect to the other connectors. The connections have continuous flanges on a periphery of the modular truss joint. Each flange is oriented transversely to the web. The connectors form a modular structure by each connecting to at least one wide flange body to form a moment resisting connection such that the modular truss joint resists flexure of the modular structure.

Abstract: A high-strength and high-electrical conductivity copper alloy rolled sheet has an alloy composition containing 0.14 to 0.34 mass % of Co, 0.046 to 0.098 mass % of P, 0.005 to 1.4 mass % of Sn and the balance including Cu and inevitable impurities, wherein [Co] mass % representing a Co content and [P] mass % representing a P content satisfy the relationship of 3.0?([Co]?0.007)/([P]?0.009)?5.9. In a metal structure, precipitates are formed, the shape of the precipitates is substantially circular or elliptical, the precipitates have an average grain diameter of 1.5 to 9.0 nm, or 90% or more of all the precipitates have a diameter of 15 nm or less to be fine precipitates, and the precipitates are uniformly dispersed. With the precipitation of the fine precipitates of Co and P and the solid-solution of Sn, the strength, conductivity and heat resistance are improved and a reduction in costs is realized.

Abstract: An auxiliary apparatus for MIS including an in vivo device and an in vitro device to stretch a surgery target is provided. The in vitro device comprises an in vitro magnet field-generating element. The in vivo device comprises an in vivo magnet-anchoring element to the surgery target. The in vivo magnet moves and/or rotates according to the direction change of the external magnetic field, which is generated by the in vitro magnet field-generating element, and thereby the surgery target can move in a controlled speed and/or rotate in a controlled angle according to the direction change of the external magnetic field. A method to control the auxiliary apparatus is also provided.

Abstract: An auxiliary apparatus for MIS including an in vivo device and an in vitro device to stretch a surgery target is provided. The in vitro device comprises an in vitro magnet field-generating element. The in vivo device comprises an in vivo magnet-anchoring element to the surgery target. The in vivo magnet moves and/or rotates according to the direction change of the external magnetic field, which is generated by the in vitro magnet field-generating element, and thereby the surgery target can move in a controlled speed and/or rotate in a controlled angle according to the direction change of the external magnetic field. A method to control the auxiliary apparatus is also provided.

Abstract: The present invention provides a method and an apparatus for manufacturing a back frame for flat panel display devices. The method contains the steps of: delivering a material belt to a stamping device; conducting a first stamping at a region of a mold in the stamping device corresponding to a first work location of a stamping process; moving the material belt or mold move a next work location after completing the first stamping; conducting a second stamping at a region of the same mold corresponding to a second work location of the stamping process by the same stamping device; and obtaining the main pieces and braces for the back frame after sequentially completing the stampings by the same stamping device and the same mold. The present invention as described is capable of saving the costs for the stamping device, mold, and material.

Abstract: A modular case and method of forming the same, the case preferably formed from a plurality of panels, edge members and corner pieces having ribs. The panels, edge members and corner pieces are preferably connected to align the ribs, forming substantially continuous ribs capable of distributing forces over a large area of the modular case. The case is most preferably made of plastic, the connections preferably being hot-plate welds. Most preferably, the panels and edge members have a dual skin construction with internal ribs, proving for greater strength and allowing for superior structural properties including air-/water-tight integrity. Edge members are preferably formed with protuberances to allow for better base-to-lid and case-to-case engagement. Hardware attachments to the modular case can be advantageously made while distributing the force on attachment points and without compromising structural integrity.

Abstract: A method of making a universal joint from a tube, including forming a plurality of pairs of coaxially aligned holes at longitudinally spaced locations in the tube, cutting the tube along a curvilinear cutting path around the holes forming a pair of projecting arms and U-shaped recesses between the arms forming a plurality of yokes and pivotally interconnecting the yokes using a pivot member received in the holes of adjacent yokes.

Abstract: Method and apparatus for a swing-out, multi-level barbeque smoker having a common mounting post wherein the individual cooking units are mounted on the common mounting post so that the individual units are slidably and swingably disposed so that a user can have easy access to the individual units. The apparatus is mounted on a wheeled carriage having a handle bar assembly so that the wheeled carriage can be easily maneuvered by a user. The upper swing-out unit has a grill for receiving food items, the middle swing-out unit has a bowl for receiving water therein and the lower unit has a grill upon which the fuel, e.g., charcoal or the like can be placed.

Abstract: A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffusible second electron transfer agent. The sensor and/or the methods used produce a sensor signal in response to the analyte that can be distinguished from a background signal caused by the mediator. The invention can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry; and potentiometry. An enzyme capable of catalyzing the electrooxidation or electroreduction of the biomolecule is typically provided as a second electron transfer agent.

Abstract: A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffusible second electron transfer agent. The sensor and/or the methods used produce a sensor signal in response to the analyte that can be distinguished from a background signal caused by the mediator. The invention can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry; and potentiometry. An enzyme capable of catalyzing the electrooxidation or electroreduction of the biomolecule is typically provided as a second electron transfer agent.

Abstract: A method for packaging integrated circuit chips (die) is described that includes providing a base substrate with package level contacts, coating a base substrate with adhesive, placing dies on the adhesive, electrically connecting the die to the package level contacts, and removing the backside of the base substrate to expose the backside of the package level contacts. Accordingly, an essentially true chip scale package is formed. Multi-chip modules are formed by filling gaps between the chips with an encapsulant. In an embodiment, chips are interconnected by electrical connections between package level contacts in the base substrate. In an embodiment, substrates each having chips are adhered back-to-back with through vias formed in aligned saw streets to interconnect the back-to-back chip assembly.

Abstract: A method for manufacturing radial pistons for a hydraulic motor by machining cylindrical transverse holes at regular intervals in a bar, and, in order to form two adjacent pistons, cutting up the bar on a transverse cutting-up plane passing through one of said holes so that a first portion of said hole forms a cradle-shaped recess in the base of the first one of the two adjacent pistons and so that another portion of said hole forms a cradle-shaped recess in the top of the second one of the two adjacent pistons.

Abstract: A method includes joining an integral bulkhead and a blade shell to form a blade and separating the blade into two blade segments at a location including the integral bulkhead such that each blade segment comprises a portion of the integral bulkhead and a portion of the blade shell.

Abstract: A method of manufacturing an optimized sheet metal (1) of a zirconium based alloy is described, which optimized sheet metal (1) defines a sheet plane (BA). The method comprises the steps of providing a sheet metal (2) of a zirconium based. alloy, subjecting the sheet metal (2) to at least a preparing cold rolling and a final cold rolling, wherein the preparing cold rolling and the final cold rolling are both performed in a common rolling direction, and heat treating the sheet metal (1) between the preparing cold rolling and the final cold rolling so that the zirconium based alloy is partially re-crystallized. A method of manufacturing a spacer grid using an optimized sheet metal (1) according to the invention is also described.

Abstract: A method of manufacturing a member having a closed-bottom hole portion by inside-removing-working a raw material made of a carbonaceous material, the closed-bottom hole portion having a hollowed-out side portion and a hollowed-out bottom portion formed by hollowing out an inner portion of the raw material, including: a step of forming a cylindrical trench by digging the raw material frontward from a near-side end face of raw material while rotating the raw material, to form the hollowed-out side portion; and a step of forming the hollowed-out bottom portion by supporting a cutting wire inserted into a bottom portion of the cylindrical trench at two points while rotating the raw material, and pressing the cutting wire being supported at the two points in a direction approaching an axis line of the raw material.

Abstract: Provided are methods of manufacturing a plurality of electrochemical sensors. The methods include forming a plurality of working electrodes on a first electrode region of a substrate, forming a plurality of counter electrodes on a second electrode region of the substrate, disposing a spacer layer on one of the first and second electrode regions, folding the substrate with the spacer layer between the first electrode region and the second electrode region to form a layered structure, and separating or cutting the layered structure to form individual electrochemical sensors.

Abstract: A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffusible second electron transfer agent. The sensor and/or the methods used produce a sensor signal in response to the analyte that can be distinguished from a background signal caused by the mediator. The invention can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry, and potentiometry. An enzyme capable of catalyzing the electrooxidation or electroreduction of the biomolecule is typically provided as a second electron transfer agent.

Abstract: A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffusible second electron transfer agent. The sensor and/or the methods used produce a sensor signal in response to the analyte that can be distinguished from a background signal caused by the mediator. The invention can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry, and potentiometry. An enzyme capable of catalyzing the electrooxidation or electroreduction of the biomolecule is typically provided as a second electron transfer agent.

Abstract: A method and apparatus for capping and encapsulating a shaped wooden workpiece or substrate to protect against environmental elements and prevent splintering of the wooden substrate in the installed condition is disclosed. An inventive end cap having a melt ring integrally formed therewith is installed on a portion of the substrate, such as a terminus of the substrate. According to the invention, the wooden substrate is sheathed during a polymeric extrusion process with a substantially continuous, unbroken polyethylene or other polymeric layer extending from and continuous with the inventive end cap. During the extrusion process, the melt ring integrally formed along the annular walls of the end cap melt the encapsulant and form a substantially sealed configuration with the polymeric layer applied to the substrate.

Abstract: A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffusible second electron transfer agent. The sensor and/or the methods used produce a sensor signal in response to the analyte that can be distinguished from a background signal caused by the mediator. The invention can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry; and potentiometry. An enzyme capable of catalyzing the electrooxidation or electroreduction of the biomolecule is typically provided as a second electron transfer agent.

Abstract: A method for packaging integrated circuit chips (die) is described that includes providing a base substrate with package level contacts, coating a base substrate with adhesive, placing dies on the adhesive, electrically connecting the die to the package level contacts, and removing the backside of the base substrate to expose the backside of the package level contacts. Accordingly, an essentially true chip scale package is formed. Multi-chip modules are formed by filling gaps between the chips with an encapsulant. In an embodiment, chips are interconnected by electrical connections between package level contacts in the base substrate. In an embodiment, substrates each having chips are adhered back-to-back with through vias formed in aligned saw streets to interconnect the back-to-back chip assembly.

Abstract: A method of manufacturing a surface mounted (crystal) device comprising: the steps of providing an aggregated sheet material having a plurality of container main bodies lengthwise and crosswise, accommodating at least a crystal piece inside the concavities of the plurality of container main bodies formed in the aggregated sheet material, and then parting the aggregated sheet material into individual container main bodies. The method further includes: the steps of providing annular grooves on outer perimeters between the container main bodies of the aggregated sheet material; positioning an outer peripheral edge of an electrode roller having an inclined face of a seam welder inside the annular groove; abutting the inclined face against a metal cover tacked to the container main body; bonding the metal cover to an aperture end face of the container main body, by seam welding; and then parting the aggregated sheet material into individual container main bodies.

Abstract: A pocket plug is made by making a first angled cut and a second angled cut relative to proximate a first line and a first side of an elongate member having a length. A plurality of pocket plugs are made by repeating the first angled cut and the second angled cut a distance apart from the previous second angled cut along the length of the elongate member. Thus, by alternating between the first angled cut and the second angled cut the distance along the length of the elongate member, the plurality of pocket plugs are made.

Abstract: A ball type downhole lubricator valve features a ball rotating on its axis to open or close with control line pressure to an actuating piston. The ball is also shiftable to a locked open position. A cage surrounds the ball and retains opposed seats to it. The cage is made from one piece and tangential holes are drilled and tapped before the piece is longitudinally split with a wire EDM cutting technique. Fasteners to rejoin the cut halves properly space them to the original one piece internal dimension. Auxiliary tools allow determination of spacing of internal components so that a desired spring preload on the seats against the ball can be achieved.

Abstract: A method for manufacturing an annular tribological component in the form of a seal or a sliding bearing of a brittle material. In order to attain the necessary sealing action even with a segmented construction, without expensive reprocessing being necessary in connection with the manufacture of segment surfaces bounding on one another, it is proposed that the annular component be formed of segments made by breaking a ring element and that the segments be assembled such that fractured surfaces fitting one another lie one upon the other.

Abstract: An internal filter includes a lower substrate and an upper substrate. Fluid passages are formed by etching grooves into the surface(s) of the upper and/or lower substrates, and/or in one or more intermediate layers. The filter pores extending between the fluid passages are formed by etching second grooves that fluidly connect the fluid passages. Two or more sets of the one or two intermediate layers can be implemented to provide additional filter passages and/or pores. Each set can be connected to a separate fluid source and/or a separate microfluidic device. In another internal filter, the inlet and outlet passages and the filter pores are formed on the same upper or lower substrate. The inlet and outlet passages are partially formed in a first step. In a second step, the inlet and outlet passages are completed at the same time that the filter pores are formed.

Abstract: In a link rod manufacturing method, a bracket material (14) having a ring portion and a mounting projection (15) is made by extrusion molding a material at the length corresponding to a plurality of brackets. On a forward end of the mounting projection (15), an engaging projection (17) with upper and lower steps (7a, 7a) is formed. An arm (2) is made by extrusion molding and regular-size cutting a material in a substantially I-shaped configuration which has a pair of first and second walls (20, 21) parallel extending on upper and lower sides and a third wall (22) crossing at a right angle and connecting these walls. A notch (23) is formed on an end of the third wall (22). When the engaging projection (17) is engaged with the notch (23), each of ends of the first and second walls (20, 21) on the side of ends 2a of the arm 2 is fitted onto the step (7a, 7a) and butted against a vertical wall (17b).

Abstract: In a valve housing 11, which is constituted by an section of an extruded billet material, into which are formed inlet and outlet conduits 27, 28, 29, 30, which are substantially arranged in a common plane, and a receiving bore 20 for at least one valve element 21, 26, arranged transversely in relation thereto, the billet material is formed as a profiled element provided with ribs 15, 16, 17, 18 which project from a substantially parallelepiped base body and in which ribs the inlet and outlet conduits 27, 28, 29, 30 open.

Abstract: The invention relates to a method of producing a plain bearing bush or bearing shell of varying width from a flat strip material, which comprises the following steps: incorporating grooves in the flat strip material along the bush or bearing-shell contour, rolling or bending the flat strip material into a bush or bearing-shell shape, mechanical severing of the excess marginal regions along the grooves, obtaining a finished plain bearing bush or bearing shell which has the final shape. In this case, the invention is based on the idea of producing trapezoidal or stepped bushes as “shaped bushes” from strip material. The starting point in this case may be a strip of rectangular cross section, which is normally used for cylindrical bushes. The grooves can be incorporated in the flat strip material.

Abstract: A padlock includes a lock body, a shackle, and a sleeve. The lock body includes opposed front and rear longitudinally extending side walls terminating at first and second end portions. The shackle extends from the first end portion of the lock body. The sleeve covers at least a portion of each of the longitudinally extending side walls, and an internal surface of the sleeve includes at least one longitudinally extending rib contacting at least one of the front and rear longitudinally extending side walls to define a gap between the sleeve and the lock body.

Abstract: Tooling fixtures and methods are described for securing a solid-matrix panel for cutting. In one embodiment, a tooling fixture includes a first clamping system and a second clamping system. The first clamping system receives a solid-matrix panel of PCBs and secures the solid-matrix panel for cutting of the solid-matrix panel along a first axis. Once secured, a cutting apparatus cuts the solid-matrix panel along the first axis between the PCBs to cut the solid-matrix panel into a plurality of strips. The second clamping system then moves into a position relative to the strips of the solid-matrix panel and secures the strips for cutting of the strips along a second axis. When secured by the second clamping system, the cutting apparatus cuts the individual PCBs from the strips.

Abstract: Methods for manufacturing electrochemical sensors are described. The sensors have a working electrode and a counter electrode, which are planar, and optionally an indicator electrode. The sensor includes a sample chamber to hold a sample of no more than 1 ?L in electrolytic contact with the working electrode. The methods provide sensors that can be used to determine the concentration of a biomolecule, such as glucose or lactate, in a biological fluid, such as blood or serum, using techniques such as coulometry, amperometry, and potentiometry.

Abstract: A method of fabricating electronic parts includes the steps of: mounting electronic elements in regular cavities that are two-dimensionally arranged on a baseboard on which dummy cavities are provided so as to surround the regular cavities, and covering a top of the baseboard with a resin sheet.

Abstract: A hermetic sealing method, which is capable of preventing oxidation of a micro-electromechanical system (MEMS) and sealing the MEMS at a low temperature. A low temperature hermetic sealing method having a passivation layer includes depositing a junction layer, a wetting layer, and a solder layer on a prepared lid frame, depositing a first protection layer for preventing oxidation on the solder layer and forming a lid, preparing a package base on which a device is disposed, and in which a metal layer and a second protection layer are formed around the device, and assembling the lid and the package base, heating, and sealing them. The protection layer is laminated on the solder layer that is formed by the lid, thereby preventing oxidation without using a flux. The low temperature hermetic sealing method having a passivation layer is suitable for sealing a device, such as the MEMS, which is sensitive to heat, water and other by-products.

Abstract: Disclosed is a design method for plating of a printed circuit board (PCB) strip, in which a main plating line is optionally formed on a component side, a solder side, or an inner layer of the PCB strip by modifying a sub-plating line of the PCB strip used to manufacture a semiconductor chip package, and a method of manufacturing the semiconductor chip package using the same. Therefore, an excellent semiconductor chip package is manufactured without a short when the PCB strip is cut using a sawing machine because misalignment of main plating lines of the solder side and the component side of the PCB strip is avoided, and an interval between PCB units is reduced to desirably increase the number of PCB units in the PCB strip without the short when the PCB strip is cut.

Abstract: An ink jet recording head and a process for producing the same, and an ink jet recording apparatus are provided that improve the printing performance and also improve the production efficiency. A conjugated body 73 formed by conjugating silicon wafers 50 and 58 is cut, whereby nozzles 22 are opened, and cutting into head chip units is carried out. At this time, deep grooves 84 are formed on the surface of the silicon wafer 58 by anisotropic etching, and they are penetrated by etching on the opposite side. Grooves 90 are formed on the silicon wafer 50 by using the thus penetrated deep grooves 84 as a mask.

Abstract: A method of feeding a blank (31) by cutting a billet (11) for plastic working includes the steps of superimposing a plurality of annular members (15 to 18) having a coefficient of linear expansion smaller than that of the billet and an inside diameter slightly greater than the outside diameter of the billet on one another to assemble a tubular jig (12), inserting the billet into the assembled jig, heating the billet and the jig to a temperature at which the billet is half-molten, and cutting the billet into at least one blank by moving the annular members adjacent to one another in opposite directions. The cutting of the billet does not need a cutting tool, thus causing no wear of blades, and thereby allowing reduction in production cost. The billet can be cut into a plurality of pieces at a time, increasing productivity. Since the blanks can be fed together with the annular members, there is no need to reheat the blanks, providing increased productivity.

Abstract: In order to provide a device for the production of gasket layers for single or multiple layered gaskets from one respective gasket layer section of a starting material comprising several continuous gasket layer sections, comprising a follow-on combination tool with several machining stations which follow one another along a direction of feed and in which the gasket layer sections are machined during operating cycles, wherein at least one of the machining stations is designed as a station for cutting outer contour lines, in which facing outer contour lines of two adjacent gasket layers are cut by means of a tool for cutting outer contour lines, and a feeding device, by means of which the gasket layer sections are moved further along the direction of feed by a feed distance v between two operating cycles, with which the outer contour lines of the gasket layers are cut with less resources and the starting material can be better utilized it is suggested that the tool for cutting outer contour lines be designed su

Abstract: A SAW element of the present invention includes a plurality of inter-digital transducer (IDT) electrodes on a piezoelectric substrate, grating reflector electrodes disposed on the sides of the IDT electrodes, and a plurality of pad electrodes led from the IDT electrodes and the grating reflector electrodes. A plurality of the pad electrodes includes isolated pad electrodes not directly opposed to the outer periphery of the SAW element, and adjacent pad electrodes directly opposed to the outer periphery thereof A connecting electrode between the isolated pad electrode and the adjacent pad electrode is removed by etching at least before dicing in order to prevent discharge from occurring due to pyroelectricity, and to prevent the electrodes from being damaged.

Abstract: Methods to singulate circuit forming regions of a circuit board substrate assembly includes providing a plurality of circuit forming regions including at least one pair of adjacent circuit forming regions separated by at least one opening defined in substrate material between each pair of adjacent circuit forming regions. At least a portion of interconnection regions along singulation axes are removed to singulate the circuit forming regions.

Abstract: A method for fabricating muntin grid pieces includes steps that attach a pair of material strips to opposed edges of the muntin bar element. The material strips may be provided in side-by-side strips that may be separated an simultaneously applied to the opposite sides of the muntin bar element. The connection between the material strips and the muntin bar element may be made with an adhesive or a mechanical connection. The method allows the material strips to be connected to the muntin grid pieces before the muntin grid pieces are assembled into a muntin bar grid for a window.

Abstract: A composite blade, in which there is an essentially plate-like blade component with a composite-construction and retention members arranged in its rear part is intended to be installed in a special blade holder with the retention members remaining in the throat of the blade holder. The retention members are formed of a profiling arranged as a lateral extension of the blade component. The profiling extends essentially over the entire length of the blade and is of the same piece as the blade component.

Abstract: A manufacturing method is provided for manufacturing a head material including: a plurality of rows of head-to-be sections to be thin-film magnetic heads; an inter-row cutting section provided to be a position at which adjacent ones of the rows are to be separated; and an intra-row cutting section provided to be a position at which adjacent ones of the head-to-be sections in each of the rows are to be separated. The method includes the steps of: providing a detection element to be used for detecting an amount of processing when specific processing is performed on the head material; an electrode for electrically connecting the detection element to an external device; and a conductor for electrically connecting the electrode to the detection element; and forming the electrode in the inter-row section.

Abstract: A method of feeding a blank (31) by cutting a billet (11) for plastic working includes the steps of superimposing a plurality of annular members (15 to 18) having a coefficient of linear expansion smaller than that of the billet and an inside diameter slightly greater than the outside diameter of the billet on one another to assemble a tubular jig (12), inserting the billet into the assembled jig, heating the billet and the jig to a temperature at which the billet is half-molten, and cutting the billet into at least one blank by moving the annular members adjacent to one another in opposite directions. The cutting of the billet does not need a cutting tool, thus causing no wear of blades, and thereby allowing reduction in production cost. The billet can be cut into a plurality of pieces at a time, increasing productivity. Since the blanks can be fed together with the annular members, there is no need to reheat the blanks, providing increased productivity.

Abstract: A method of manufacturing a perforated metal cover (1) includes steps of: step (60), successively punching holes in a piece of metal sheet at a plurality of workstations and cutting the metal sheet into a plurality of metal bases; step (62), stamping the metal bases into three dimensions; step (64), grinding the metal bases; and step (66), anodizing the metal bases to produce the finished covers. Each workstation includes at least one punch, and each punch includes a die having a plurality of punch heads, which number and arrangement are predetermined according to the holes (3) to be formed in the perforated cover. Different arrays of holes are punched in the metal sheet in different punches.