43results about How to "Strengthen core strength" patented technology

A casting core for a turbine blade includes a plurality of rods extending above a shank. The rods define internal cooling channels in the airfoil of the blade, and the shank defines an inlet channel in the dovetail of the blade. A plurality of stubs are clustered together at a bulb joined to the shank and radiate outwardly to integrally join different ones of the rods for increasing strength of the core.

A Push-Up Exercise Apparatus includes a swiveling base, a handle, and an arcuate member. The swiveling base is connected with the arcuate member. The arcuate member base is comprised of a housing and a housing base. The housing is sized to accept the arcuate member. The handle is connected with the swiveling base.

A wind turbine blade using a core member that is light and low-cost while maintaining strength and a wind power generator using the same are provided. A wind turbine blade (9) is formed of a fiber-reinforced plastic skin (13). The skin (13) or a main beam (15) uses a core member (39) formed integrally of fiber layers (55) arranged so as to intersect in plan view and each penetrate in the thickness direction to constitute flow paths for resin and plastic foam members (57) filling spaces between the fiber layers (55), in such a manner that the fiber layers (55) are impregnated with the resin.

The electrical apparatus suspension unit 1 is provided with two power supply wires 20-1 and 20-2 by which the electrical apparatus 3 is conducted and suspended from the ceiling 5. Each of the wires 20 is connected to the hung member of the electrical apparatus 3 at the lower end by the a lower holder 40, and connected to the rail 9 laid on the ceiling 5 at the upper end by an upper holder 100. The power supply wire 20 comprises a core wire 21, an insulating layer 23 covering the core wire 21 and an outer layer 25 covering the insulating layer 23. The core wire 21 of the power supply wire 20-1 conducts to a grounded conductor cable W1 and the core wire 21 of another power supply wire 20-2 conducts to a voltage applied conductor cable W2. The power supply wires 20 having high tensile strength enables to suspend the electrical apparatus and also supply power thereto.

An exercise apparatus for training the core muscles can include a wheeled platform for supporting the upper body or the lower body while the user employs the core muscles to roll the platform across a surface. Two vertical posts can be positioned on opposite sides of the platform near a back edge of the platform to provide handles for the user when the platform is used to support the user's upper body. A third vertical post can be positioned near the center of the platform and can be used to add weights to the platform thereby increasing the difficulty of rolling the platform across a surface.

Disclosed is an aluminum alloy clad material which includes a core material; a sacrificial anode material on one surface of the core material; and a filler material on the other surface of the core material and composed of an Al—Si alloy, in which the core material contains 0.3 to 2.0 percent by mass of Mn, 0.15 to 1.6 percent by mass of Si, 0.1 to 1.0 percent by mass of Cu, and 0.1 to 1.0 percent by mass of Mg, with the remainder including Al and inevitable impurities, the sacrificial anode material contains 7.0 to 12.0 percent by mass of Zn, 0.3 to 1.8 percent by mass of Mn, and 0.3 to 1.2 percent by mass of Si, with the remainder including Al and inevitable impurities, and has a thickness of 10 to 30 μm. The sacrificial anode material shows resistance to both local corrosion and general corrosion.

The present invention provides a coil component which is possible to be thinner with less leakage flux toward upward and downward directions, and to sustain a good insulation. The coil component comprises a core including two opposing parts mutually opposing, two side legs mutually connect both ends of the two opposing parts, and a middle leg placed between the two side legs and mutually connect central parts of the two opposing parts, a primary coil, which goes around outer circumference of the middle leg, and a secondary coil, which goes around outer circumference of the primary coil, wherein; a distance between outer perimeter edge of the primary coil and inner perimeter edge of the secondary coil varies along circumferential direction.

A method of reusing core sand includes: crushing a core used for casting into granules; heating the granules at a temperature of 300° C. to 550° C.; causing the heated granules to collide against each other such that water glass used as a binder detaches from the core sand; and blowing air into a mixture of the water glass and the core sand, which are detached from each other, such that the core sand is separated and collected from the mixture due to a difference in specific gravity between the water glass and the core sand.

A two-material plastic sprocket for modular plastic conveyor belts and an associated method for molding such a sprocket. The sprocket is made of a first plastic material forming the exterior and a second plastic material forming the interior core using co-injection molding. The invention relates generally the sprockets used to drive modular plastic conveyor belts and, more particularly, to sprockets molded out of two plastic materials.

The present invention provides a coil component which is possible to be thinner with less leakage flux toward upward and downward directions, and to sustain a good insulation. The coil component comprises a core including two opposing parts mutually opposing, two side legs mutually connect both ends of the two opposing parts, and a middle leg placed between the two side legs and mutually connect central parts of the two opposing parts, a primary coil, which goes around outer circumference of the middle leg, and a secondary coil, which goes around outer circumference of the primary coil, wherein; a distance between outer perimeter edge of the primary coil and inner perimeter edge of the secondary coil varies along circumferential direction.

An exercise apparatus for training the core muscles can include a wheeled platform for supporting the upper body or the lower body while the user employs the core muscles to roll the platform across a surface. Two vertical posts can be positioned on opposite sides of the platform near a back edge of the platform to provide handles for the user when the platform is used to support the user's upper body. A third vertical post can be positioned near the center of the platform and can be used to add weights to the platform thereby increasing the difficulty of rolling the platform across a surface.

A method of reusing core sand includes crushing a core used for casting into granules; heating the granules at a temperature of 300° C. to 550° C.; causing the heated granules to collide against each other such that water glass used as a binder detaches from the core sand; and blowing air into a mixture of the water glass and the core sand, which are detached from each other, such that the core sand is separated and collected from the mixture due to a difference in specific gravity between the water glass and the core sand.

The present invention provides a method for manufacturing a printed circuit board and a print circuit board manufactured thereby, in which through holes of a core board are filled by reverse pulse plating so that it allows to manufacture a core board having greater than 100 μm of a thickness which has been a processing limitation with conventional technologies and form bumps on a thick insulation layer, which has been difficult till now, and thus providing resistance against pressure of paste bumps produced during stacking due to the increased strength of a core board, convenience to join between layers, excellent heat-releasing effect, and collectively stacking of core boards, which was not possible with conventional methods.

The invention discloses a power roller. The power roller comprises a rim, a center shaft and handles fixed to both ends of the center shaft; a worm part is fixedly arranged on the center shaft; a diskis also fixedly arranged on the center shaft; a round rod is vertically arranged on the disk; a blocking piece is arranged at the outer end part of the round rod; a first rotation shaft seat is alsofixedly arranged on the disk; the first rotation shaft seat is rotationally provided with a first rotation shaft; the first rotation shaft is fixedly connected with a worm gear; the worm gear is in vertical engaged transmission with the worm part; the first rotation shaft is also fixedly connected with a cam; the outer edge of the disk is sleeved in a sliding mode with the rim; a connection rod isarranged at the inner edge of the rim in a radial direction; and the end part of the connection rod sleeves the center shaft in a sliding mode by a shaft sleeve. According to the invention, the training difficulty of core power of a user can be increased, the power roller is helpful for improving core power of the user, the integral balance force and coordination of the body of the user are improved, and the power roller has higher interestingness, is novel in structural design and has practicality.

The invention discloses auxiliary training device for leg explosive power. The device comprises a base and a cover plate, the cover plate is located on the base, and the base comprises a base body; resistance bearing bracket connecting holes, braking assembly connecting holes, handhold assembly connecting holes, supporting shaft assembly connecting holes and sliding base connecting openings are formed in two sides of the upper surface of the base body, a cover plate assembly installing hole is formed in the side wall of one end of the base body, and the cover plate is arranged on the upper endof the base body. By increasing loading of a running belt, an athlete can achieve strengthening core strength of legs in a short time, the loading capacity can be adjusted, use in different stages and for athletes of different types can be achieved, the flexibility is good, the practicability is better, the device can be applicable to the field of comprehensive fitness, by arranging the braking function, the braking of a force transferring belt is achieved, thereby improving the safety of the device and improving the training efficiency of a user, and it is convenient to promote and use.

There is provided a core of a steering wheel to which a module can be stably fixed while manufacturing cost is suppressed. Core (28) includes boss core portion (36) at which a gate of a mold is set and which is connected to a steering shaft. Core (28) includes a rim core portion that is positioned around boss core portion (36). Core (28) includes a plurality of spoke core portions (37) that connect boss core portion (36) to the rim core portion. Core (28) includes connecting portion (66) that includes fixing portion (66e) to which a module is fixed and connects spoke core portions (37) positioned on upper and lower sides in a neutral state of the steering wheel. Core (28) includes expansion portion (71) of which a width gradually increases downward toward upper end portion (66a) of connecting portion (66) in the neutral state of the steering wheel.

A rotor for a rotating electric machine includes a field core having a plurality of claw-shaped magnetic pole portions, a field coil wound on the field core, and a hollow cylindrical core member disposed to cover radially outer peripheries of the claw-shaped magnetic pole portions of the field core. The core member is formed of a plurality of soft-magnetic bodies that are laminated in an axial direction of the core member. At least some of the soft-magnetic bodies forming the core member are fixed to one another by at least one staking portion that is formed along the axial direction of the core member.