Abstract:
Disclosed is a litz wire coil that is configured by spirally winding a litz wire on one plane by a predetermined number of turns. The litz wire is configured by twisting together a plurality of enameled wires formed by baking an insulating film on a conducting body. Pressure shaping is performed such that the litz wire has a substantially rectangular shape in cross section, and the flatness ratio of the litz wire in cross section (long side/short side) is controlled at 1.10 to 1.60, preferably 1.20 to 1.40, more preferably 1.25 to 1.35.
Abstract:
A terminal connecting method including: removing a insulation film by a predetermined length from one end of a litz wire; inserting to a pressure fixing part a terminal part of the litz wire; compressing a first portion of the pressure fixing part with a first compression force to cause plastic deformation of an entirety of the pressure fixing part, and to temporarily fix the terminal part of the litz wire to the pressure fixing part; compressing a second portion of the pressure fixing part with a second compression force greater than the first compression force to locally cause plastic deformation of the pressure fixing part and the litz wire, the second portion being a part of the first portion; and pouring molten solder from a front end side of the pressure fixing part to firmly fix the litz wire to the terminal metal fitting.
Abstract:
A method of manufacturing a heat-fixing rubber roller includes: forming a rubber layer of a silicone rubber composition on an outer periphery of a metal core shaft, the composition containing water-soluble sugar powder and methylene glycol; vulcanizing the rubber layer; and eluting the sugar powder and the triethylene glycol from the vulcanized rubber layer to form a foam rubber layer.
Abstract:
A terminal connecting method including: removing a insulation film by a predetermined length from one end of a litz wire; inserting to a pressure fixing part a terminal part of the litz wire; compressing a first portion of the pressure fixing part with a first compression force to cause plastic deformation of an entirety of the pressure fixing part, and to temporarily fix the terminal part of the litz wire to the pressure fixing part; compressing a second portion of the pressure fixing part with a second compression force greater than the first compression force to locally cause plastic deformation of the pressure fixing part and the litz wire, the second portion being a part of the first portion; and pouring molten solder from a front end side of the pressure fixing part to firmly fix the litz wire to the terminal metal fitting.
Abstract:
Disclosed is a litz wire coil that is configured by spirally winding a litz wire on one plane by a predetermined number of turns. The litz wire is configured by twisting together a plurality of enameled wires formed by baking an insulating film on a conducting body. Pressure shaping is performed such that the litz wire has a substantially rectangular shape in cross section, and the flatness ratio of the litz wire in cross section (long side/short side) is controlled at 1.10 to 1.60, preferably 1.20 to 1.40, more preferably 1.25 to 1.35.
Abstract:
PROBLEM TO BE SOLVED: To provide a laminated rubber bearing body, which maintains the natural period of a base-isolated buildings of 4 seconds or more as the laminated rubber bearing body is subjected to high surface pressure, and further, prevents reduction of buckling characteristics or the like due to the high surface pressure.SOLUTION: The laminated rubber bearing body includes: a base isolation laminate 9 formed, by alternately laminating a plurality of rubber plates 1 and hard plates (intermediate steel plates) 2 made of metal materials such as steel plates to be subjected to vulcanization bonding; connection steel plates 3a and 3b arranged, on both upper and lower sides of the base isolation laminate 9, so that the base isolation laminate 9 is sandwiched therebetween; and flanges 4a and 4b stacked respectively on both upper and lower sides of the connection steel plates 3a and 3b to be attached to the connection steel plates 3a and 3b via bolts 5a and 5b. The laminated rubber bearing body is configured to satisfy conditions of (a) S≥32, (b) S≥4.7, and (c) 0.50>G≥0.44, wherein Sis a primary shape coefficient of the laminated rubber bearing body, Sis a secondary shape coefficient of the laminated rubber bearing body, and G[N/mm] is a shear modulus of a rubber plate 1.
Abstract:
PROBLEM TO BE SOLVED: To appropriately and homogeneously perform fastening operation of a bolt or nut of an isolator protection device by simple operation while securing the locking effect of the fastened bolt or nut. SOLUTION: The isolator protection device 2 includes a lower flange 9 fixed to an isolator provided between a foundation and a structure on the foundation; an elastic body 20 which is elastically deformed, when the lower flange 9 is displaced in a separating direction, by compressing force with a regulating plate 26; and a bolt 27 which regulates the position of the regulating plate 26 to the foundation. Projections 22 are provided on a first surface 20a and a second surface 20b which are the lower surface and upper surface of the elastic body 20. In a fastening step of the bolt 27, when fastening torque is sharply increased in contact of the first surface 20a with the lower flange 9 and contact of the second surface 20b with the regulating plate 26 by elastic deformation of the projections 22, the fastening step is completed. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a multiple coil which can perform insulating treatment on an intermediate crossover line quickly and a reliably in a convenient and simple manner. SOLUTION: A coil wire is previously inserted into insulating coating tubes by the number corresponding to intermediate crossover lines; the coil wire is wound in a wire-wound form to form a first coil; the previously-inserted insulating coating tube is coated at the winding end of the first coil to form a first intermediate crossover line; the coil wire subsequent to the termination end of the first intermediate crossover line is started to be wound into a wire-wound form to form a second coil; the previously-inserted insulating coating tube is coated at the coil winding end of the second coil to form a second intermediate crossover line. A step of winding the coil wire subsequent to the termination end of the second intermediate crossover line is started to be wound into a wire-wound form to form a third coil is repeated by a predetermined number of times to form n coils (n≥2) having (n-1) intermediate crossover lines. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an energy absorbing device for decreasing vibration energy of an earthquake or the like transmitted to buildings or civil structures or the like, in which tin or its alloy is used for an energy absorbing member, so that energy absorbing capability is hardly deteriorated even in the case where repeated deformation occurs continuously due to earthquakes or the like. SOLUTION: The energy absorbing device comprises: a laminated body 3 comprising hard plates 1 of steel plates or the like and elastic members 2 of rubber or the like, vertically and alternately laminated on each other, with hollow parts 3a provided vertically through it; and the energy absorbing member 4 of tin or tin alloy housed and disposed in the hollow parts 3a to absorb vibration energy of the earthquakes or the like. A plurality of the energy absorbing members 4 are provided in the laminated body 3. A plurality of the energy absorbing members 4 are formed in roughly similar diameter. The ratio D/H of the diameter D to the height H is set to be within 0.30-0.50. COPYRIGHT: (C)2009,JPO&INPIT