PROBLEM TO BE SOLVED: To provide a hard alpha-brass material having well-balanced high-yield strength and formability, and to provide a manufacturing method therefor.

SOLUTION: The alpha brass includes 62.0-71.5 wt.% copper and the balance zinc with unavoidable impurities; and has a tensile strength of 530 MPa to 620 MPa, a 0.2% yield strength (σ0.2) of 450 MPa to 540 MPa, a stress...

PROBLEM TO BE SOLVED: To provide a multiple-ply ground fabric for paper-making felt capable of keeping high void ratio, having excellent compression resistance and compression recovery and easy to produce.

SOLUTION: The multiply-ply ground fabric is composed of the repetition of unit textures comprising a multiple-ply part obtained by overlapping a plurality of warps 3, 4 in the direction o...

PROBLEM TO BE SOLVED: To provide a release wire which prevents an outer tube from being flawed by caulking, and which is prevented from buckling during and after construction.

SOLUTION: A synthetic-resin outer end 10, which is provided at both the ends or one end of the outer tube 6, connects the outer tube 6 and another member of a remote-controlled drain valve unit to each other; a flange...

PROBLEM TO BE SOLVED: To provide an automatic shop opening device which can solve a problem of security, occurring when a shutter is controlled to be opened before an opening time of a shop.

SOLUTION: According to the automatic shop opening device, a controller 1 stores therein a time period necessary for opening operation of the shutter 2, as an operating time period, a plurality of times,...

PROBLEM TO BE SOLVED: To provide a heat insulating form which is easily formed, and also to provide a construction method of a concrete structure using the same.

SOLUTION: The heat insulating form 20 comprises a first paper form 21 into which concrete is filled, a second paper form 22 which is provided outside the first paper form 21 with a predetermined interval, and a heat insulating mate...

PROBLEM TO BE SOLVED: To provide a pipe support for timbering provided with a load release device attaining simplification of structure and improvement of work efficiency in installation and dismantlement of timbering.

SOLUTION: The pipe support A comprises an outer pipe 1, an inner pipe 2, an adjusting ring 5 for adjusting the extension length of the inner pipe 2, and the load release devi...

PROBLEM TO BE SOLVED: To provide a handrail which can be installed easily on an approaching zone from outside of a building site to an entrance or front steps at an entrance porch or the like.

SOLUTION: The handrail has struts extending from both ends of a coping, wherein a lower part of a first strut provided on an upper end of the coping bends toward a second strut. A space is made at the...

PROBLEM TO BE SOLVED: To provide a vehicle control system preventing the start of movement of a vehicle accompanying automatic stop of a power source for driving.

SOLUTION: The vehicle control system is provided with a brake control part 40 capable of selecting a automatic mode in which an actuator shifting a mechanical brake 10 braking a wheel of the vehicle between a brake condition and a...

PROBLEM TO BE SOLVED: To provide a structure capable of easily constructing the stack of a stack type solar heat wind power generation apparatus up to high-rise stories in the air, installable not only on the ground but also on ocean, sea, and lake, and easily installable and removable, and also provide a device and a method for forming the apparatus in a stack shape with a large light receivin...

PROBLEM TO BE SOLVED: To solve problems in a conventional temperature control for agriculture such as green house in which since the hot water produced by burning heavy oil was used as a heat source, a large cost is needed with the rise of the cost of petroleum by introducing natural energy or using night power to share cost, and constructing an energy supply configuration for securing various ...

PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of miniaturization by devising ways of arranging a variable speed drive mechanism with an electric motor for varying speed.

SOLUTION: The internal combustion engine comprises a transmission for varying speed and transmitting power from a crank shaft to an output shaft. The transmission executes varying speed via the vari...

PROBLEM TO BE SOLVED: To provide a differential device having a stronger positioning force at top ends of pinion shafts than the prior art by increasing an area of contact between the pinion shafts at the top ends thereof so as to increase friction resistance.

SOLUTION: The differential device 1 includes a differential case 2 and the plurality of pinion shafts 3a, 3b, 3c, 3d arranged within...

PROBLEM TO BE SOLVED: To provide a vehicular power transmission device with an axially compact reduction mechanism.

SOLUTION: The vehicular power transmission device comprises an electric motor, the reduction mechanism composed of a plurality of gear sets for reducing a driving force of the electric motor, a differential device for distributing the driving force reduced by the reduction mec...

PROBLEM TO BE SOLVED: To provide a reducer case structure for a reduction mechanism having improved sealing performance and assembling efficiency while being improved in the rigidity of cases and reducing gear noise caused by case film surface vibration.

SOLUTION: The reducer case structure comprises a first reducer case having a first mounting flange formed on the outer periphery, a second...

PROBLEM TO BE SOLVED: To provide a toroidal type continuously variable transmission capable of smoothly sliding and guiding a disc to an input shaft without lowering strength and increasing the number of components and manufacturing costs.

SOLUTION: In this toroidal type continuously variable transmission, pressure oil is introduced between an inner peripheral face of an input-side disc 2 a...

PROBLEM TO BE SOLVED: To provide a toroidal-type stepless speed change device which restrains wear from occurring between a synchronous cable connecting portion and a bolt to permit a synchronous function performed by the synchronous cable to be maintained certainly in the long term and besides, can realizes the function certainly at low cost when a length regulating function is provided.

S...

PROBLEM TO BE SOLVED: To provide a differential device capable of reducing the dimension and the weight of a differential device and reducing its cost though a pair of clutch mechanisms are disposed.

SOLUTION: This differential device comprises a driving shaft 3 rotated by a driving force of a motor, an intermediate transmitting member 5, a gear transmitting mechanism 11 in which a driving ...

PROBLEM TO BE SOLVED: To further improve decomposition efficiency of organic matter in gas to be treated, while maintaining superior heat efficiency being a feature of a heat storage type deodorizing device.

SOLUTION: The heat storage type deodorizing device is comprised by providing a heat treatment area, and a plurality of heat storage areas, and it is composed such that the gas to be tre...

PROBLEM TO BE SOLVED: To provide a blast furnace and a production method of pig iron using it capable of the mass production of pig iron with high purity while enhancing energy efficiency, in a blast furnace using microwaves.

SOLUTION: The blast furnace 11 is composed of a furnace body 12 holding a raw material mixture 22 comprised of an iron oxide containing compound and a carbon compound,...

PROBLEM TO BE SOLVED: To provide a liquid level detection device having a sufficiently downsized float, and a liquid storage container.

SOLUTION: The float 13 floating corresponding to fluctuation of a liquid level is stored inside a reservoir body 10. A magnet 16 is installed on the float 13, and a magnetic force sensing element 17 is provided on the reservoir body 10. Even if a magnetic f...