A method of designing a drill bit which comprises selecting a core material 76', selecting a bit crown material 13, configuring a hollow bit crown to be fabricated of the bit crown material where the hollow bit crown has a thickness sufficient to maintain a configuration as a quantity of molten core material is disposed therein. The bit crown material may be formed from a mixture of particulate ma...

A method of generating pattern via laser cutting process, comprising the step of: 1) Inputting the designed pattern into a computer system; 2) Putting a material beneath a laser beam; 3) Under the control of the computer system, moving the laser beam over the material or moving the material beneath the laser beam in accordance with the pattern input into the computer system so as to cut and genera...

The present invention is a solid-bowl screw centrifuge that includes a centrifugal drum. The drum has a drum casing and a screw with a screw body that is surrounded by a screw blade. The screw blade forms at least one screw spiral with a conveying path for transporting material to be centrifuged. The centrifuge also includes an inlet into the centrifugal drum, at least one solid matter discharge a...

A sheet of material which is made two dimensional which inlcudes portions that are removed that allows the sheet to be folded to create a three dimensional structure without the need for cutting and darting.

A dual chamber sachet with a dispensing outlet can be made in a form/fill sequence by attaching the dispensing outlet to the film that is to form the chamber divider wall followed by attaching films that are to form the outer walls of the sachet to the dispensing outlet. The upper and side lateral edges of the sachet then are sealed together to produce a sachet with an open bottom end. The sachet ...

A machining surface of a machining tool such as a drill is composed of a metal-rich section. A ceramics-rich section is formed centrally in the drill. Further, a gradient section is provided between the ceramics-rich section and the metal-rich section. In the gradient section, the composition ratio of metal is gradually increased from the ceramics-rich section to the metal-rich section. That is, t...

The present invention relates to cutting tool insert consisting of a tungsten carbide based hard metal substrate and a coating. The hard metal consists of about 4-15 wt-% binder phase with face centered cubic structure and a composition of 35-65 wt-% Fe and 35-65 wt-% Ni in addition to dissolved elements. As a result, inserts have been produced with at least as good performance in machining as con...

A radiologic film scanning device (100) is provided. The device (100) comprises an elongated housing (110) having a top side, a bottom side, a front side, a back side, a first end and a second end; a first roller (120) disposed within the housing (110) near the first end, the vertical axis of the roller (120) being substantially perpendicular to the bottom of the housing (110); a second roller (12...

A control system for controlling a hybrid transmission including a two-degree-of-freedom differential mechanism is arranged to change a target prime-mover (ENG) revolution speed of a prime mover so as to decrease an electric power output of first (MG1) and second (MG2) motor/generators when a temperature of one of the first and second motor/generators and a power device for the first and second mo...

The present invention provides a film-reinforced glass, which has excellent impact resistance, penetration resistance and durability and which can be easily prepared. The constitution of the glass consists of one glass plate and a film comprising an organic polymer which is superposed thereon through a transparent adhesive layer, wherein the transparent adhesive layer comprises a first transparent...

A transmission system is comprised of a twin-clutch transmission (3) which comprises a first clutch (C1) for selecting a first gear-ratio group and a second clutch (C2) for selecting a second gear-ratio group. A control unit (7) for controlling the twin-clutch transmission is arranged to calculate an estimated engine revolution speed produced in the event that one of two gear ratios adjacent to th...

An electrical control unit ECU controls a shift thrust Ft applied to a variable width drive pulley 11 through a control valve CV and makes the rotational speed Ne of the engine follow a target engine rotational speed Neo to vary the speed change ratio of a continuously variable transmission CVT. In this control, the shift thrust Ft is achieved as sum of a proportional term P and an integral term I...

A vehicular transmission comprises an engine E, a continuously variable transmission CVT and a starting clutch 5. The driving force from the engine E is transmitted through the continuously variable transmission CVT with a speed change to a countershaft 2, and the starting clutch 5 is used to transmit this driving force from the countershaft 2 to wheels of a vehicle. The continuously variable tran...

An alloy powder for bonded rare earth magnets is prepared by melting an alloy consisting essentially of 20-30 wt% of Sm or a mixture of rare earth elements (inclusive of Y) containing at least 50 wt% of Sm, 10-45 wt% of Fe, 1-10 wt% of Cu, 0.5-5 wt% of Zr, and the balance of Co, quenching the melt by a strip casting technique, to form a rare earth alloy strip containing at least 20% by volume of e...

In order to separate solid-liquid mixtures in a solid bowl centrifuge containing a simply designed, adjustable weir for draining the liquid which makes it possible to control or adjust the level of the liquid in the centrifuge basket (10) during the operation of the centrifuge with the least possible expenditure of energy, the invention proposes to realize the adjustable weir in the form of a stat...

A lead-acid battery electrode plate is manufactured by consecutively supplying a lead or lead alloy sheet; leaving a part in the vicinity of the center of the sheet as a non-expansion portion and expanding both sides like mesh to form a grid body; filling active material paste into the grid body; and cutting the grid body to predetermined dimensions. In the lead-acid battery electrode plate, the n...

An image-forming apparatus allows duplex print to be performed using tabbed sheets. A plurality of paper sensors A, B, C, D, E, and F are installed on a paper output side of a paper tray 20 in a direction perpendicular to a sheet transport direction. The location of a tab 12 and the tab length in the transport direction are determined from a difference in timings of the rise or fall of output sign...

The present invention provides a method of splicing two core yarns so that inner layer fibers and outer layer fibers are substantially continuous at their spliced portion. The present invention also provides a spliced portion formed by this method and an automatic winder comprising a device that embodies this method. Compressed air is applied to two core yarns 1A, 1B to untwist their outer layer f...

The present invention provides a weaving system for woven fabrics of various kinds in small lots, capable of weaving woven fabrics of various kinds in small lots in a continuous operation by an existing weaving machine while preventing generation of waste to the minimum degree. A weaving system for woven fabrics of various kinds in small lots, comprises the steps of successively selecting a plural...

Se puede hacer una bolsa con una cámara doble con una salida para dispensar el contenido en una secuencia de formar / llenar, mediante la fijacion de la salida a la película de manera que se forma la pared divisora de las cámaras, seguido por la fijacion de películas que tienen el proposito de formar las paredes exteriores de la bolsa que adhieren a la salida de dispensar. Después se sella juntand...