PROBLEM TO BE SOLVED: To perform sticking hardening having uniformity of a whole surface and to increase operation speed by irradiating a base material with ultraviolet rays while rotating it and controlling unevenness of irradiation of ultraviolet rays. SOLUTION: A base material W1 of one side is held and fixed on a holding member 1 by vacuum-absorption, after deenergizing, adhesive of ultraviole...

PROBLEM TO BE SOLVED: To enhance degress of freedom in the design for a current-collecting part in the case of an electrode for use in a battery, in which a multiplicity of pole plates are integrated via a strap and which has the current-collecting part provided on the strap. SOLUTION: In this manufacturing method, a pole column for forming a current-collecting part is prepared having a fusion par...

PROBLEM TO BE SOLVED: To provide superior initial discharge characteristic and charge/ discharge cycle life characteristic by adding dilute sulfuric acid to lead powder whose main components are lead and lead oxide, kneading it at different temperatures so as to fabricate a plurality of pastes, and filling a grid body with the mix paste formed by mixing the obtained plurality of pastes together so...

PROBLEM TO BE SOLVED: To concurrently realize the high energy density and long life of an electrode by setting the laminated faces of a current collecting metal sheet and acid-resistant and oxidation-resistant sheets, so that an electrolyte is prevented from being kept in contact with the metal sheet side. SOLUTION: A battery electrode 1 is provided with a current-collecting metal sheet 2, resin s...

PROBLEM TO BE SOLVED: To provide a sealed-type lead-acid battery having a high degree safety and reliability and being capable of preventing breakages or a short circuit of a battery jar due to use after the life of battery is over. SOLUTION: A sealed-type lead-acid battery comprises an electrode group including a positive electrode plate, a negative electrode plate and a separator made mainly of ...

PROBLEM TO BE SOLVED: To provide a solenoid in which a large mechanical output (actuating force in an axial direction of a rod) is surely obtained, in spite of a small diameter. SOLUTION: A solenoid part 5 of an injector 1 for fuel injection is constituted, in an axial direction, by laminating three unit solenoid parts S provided with a stator 25 in which a coil 23 is wound, a rod 29 which is disp...

An oyster tray for holding, displaying and opening bivalve shellfish e.g. oysters, has its surface made with a series of recesses (2) shaped to receive one oyster each, with an anchor (3) adjacent to each recess shaped to receive a gripper on the device for opening the shellfish, e.g. a wire passed round its adductor muscle. The tray recesses are set in staggered rows, and can be rectangular, circ...

The invention concerns a method for treating steel in an electric arc furnace for forming a foamed slag at the surface of the liquid steel, which consists in injecting into the slag or in its vicinity powder calcium carbide in an amount between 3 and 8 kg per ton of steel in the furnace. It enables the reduction of iron loss in the slag, in particular when the charge contains direct reduced iron, ...

PROBLEM TO BE SOLVED: To enable a level converter used for a semiconductor device which operates with a plurality of power supply voltages to stably operate even when a time lag exists between the delivering timing of the power supply voltages. SOLUTION: A level converter is provided with an input buffer circuit 100 and a level converting section 101 equipped with an output holding circuit 102. Th...

PROBLEM TO BE SOLVED: To prevent a human error from occurring in work for making an operation cooperation curve and to reduce the time being required for the work by obtaining the appropriate operation time of a protection relay device for each system. SOLUTION: An optimum value of the operation time of a protection relay device is calculated by an optimum judgment part 111-3 based on an internal ...

Processes for spray-drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry water-soluble or water-swellable polymer particles, methods of agglomerating spray-dried polymer particles, and methods of using spray-dried polymer ...

Processes for spray-drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry water-soluble or water-swellable polymer particles, methods of agglomerating spray-dried polymer particles, and methods of using spray-dried polymer ...

Processes for spray-drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry water-soluble or water-swellable polymer particles, methods of agglomerating spray-dried polymer particles, and methods of using spray-dried polymer ...

Processes for spray-drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry water-soluble or water-swellable polymer particles, methods of agglomerating spray-dried polymer particles, and methods of using spray-dried polymer ...

PROBLEM TO BE SOLVED: To avoid recognizing wrong positions of leads being recognized by the image processing. SOLUTION: A camera 2 reads pictures of leads one by one, based on design coordinates of the leads stored in a coordinate data memory 5, a controller 8 checks the picture of two adjacent leads on the design coordinates if other leads exist between the two leads, obtains the no. of other lea...

PROBLEM TO BE SOLVED: To improve the reliability of a copper clad laminated board, wherein a tape with a new bonding agent for wire bonding having excellent adhesive power and insulation reliability is used, a semiconductor connection substrate, a semiconductor integrated circuit connecting substrate and a semiconductor device. SOLUTION: In this wire bonding tape with adhesive agent formed by a la...

Method for producing fireproof expanded polystyrene structure is claimed in which expanded polystyrene balls are mixed with liquid or paste containing fireproofing and wetting agents so that each ball receives a thin coating of the medium, and then subjecting mixture to treatment which solidifies the medium to form a rigid structure in which the balls are separated from each other. Wetting agent i...

A composition (I) for a coating for rubber and elastomer windscreen wiper blades comprises a powder (II), particularly crystalline carbon in the form of natural or artificial graphite, dispersed in suspension in a vector liquid (III), and a gelling agent (IV). Also claimed is a method (V) of applying a coating to windscreen wiper blades in order to reduce the coefficient of friction between the b...

A composite material comprises (a) a polyamide; (b) a block polymer of PA and polyether PEG; (c) optionally a polyolefin; and (d) a functionalised polyolefin. The constituents are present in amounts a, b, c and d such that: a > 0; b > 0; c + d > 0; a + b + c + d = 100; and a/b > 0.2; (a + b)/(c + d) >1; b/(a + b + c + d) < 0.5. More preferably, the constituents are present in amounts such that: 2 ...

An improved electrosurgical instrument for use with a specially adapted electrosurgical trocar. The improved electrosurgical instrument including a handle, an end effector and an elongated closure tube connecting the handle to t he end effector. The elongated closure tube including one or more electrical contac ts adapted to provide electrical contact to the interior of a trocar cannula as the ele...