An earth-boring drill bit [20] consists of a bit body [26] and a number of cutting structure inserts [10], at least a portion of which are impregnated with diamonds. The cutting structure inserts [10] may have a total thermal exposure of less than 25 minutes above 800{ during the manufacture of the drill bit [20], while the bit body [26] is thermally exposed for longer periods at the same temperat...

A reel (10), particularly for an electric cable (12), has a rotatable drum (14) supported at (16) and optionally swivel-mounted on a plinth (30) or other member. A removable motor module (60) can be attached to convert the drum to a motorized reel controlled by a switch (82), which allows the user to rewind the cable (12) onto the drum (14), when required.

Es wird ein Schneidmesser und ein Verfahren zum Herstellen eines solchen Schneidmessers angegeben, das zum Durchtrennen von zähen, elastischen Materialien, insbesondere von Klebewulsten an Fensterscheiben von Fahrzeugen geeignet ist und ein Befestigungsteil sowie eine Befestigungsaufnahme zur Befestigung an einem Oszillationsantrieb aufweist sowie ein Schneidteil (22) mit zumindest einer Schneide ...

An ink jet cartridge includes a first chamber (4) for accommodating a negative pressure producing material (3) and provided with air communication part (10) for communication with ambient air, wherein a part of the negative pressure producing material does not contain ink adjacent the air communication part (10); a second chamber (6) which is substantially closed except for a fine communication pa...

A curve approach control apparatus of the present invention comprises a front road attribute calculation/storage unit (24) judging whether a node represents an exit/entrance road from/to the main road. The control execution decision unit (31) judges whether the node(PT) on a curve in front of the vehicle which is subject to the control represents an exit/entrance road. When the node (PT) represent...

An alkyl-phenyl bonded a stationary phase for use in reversed-phase liquid chromatography, having five to ten carbon atoms in the alkyl group, is disclosed. The alkyl-phenyl bonded phase has its unique selectivity, and it is chemically stable in both acidic and basic environments as well as havign high retention capacity, hence high resolution. A method for preparing the alkyl-phenyl bonded phase ...

The method for controlling foam slag formation involves supply of carbon without possible excess amounts in such a way that the arcs are at least partially enveloped. Acoustic emission within the rage of double grid/supply frequency is used to judge about the slag formation process. The supply rate of carbon is controlled on the basis of the acoustic emission - which is automatically registered an...

The utility model discloses a technology of a vortex style high performance wind machine, comprising a central rotary shaft, a wind wheel and a generator. The utility model is characterized in that the wind wheel is composed of a fixing disk, and four spiral blades which are in the shape of curved surface bending, the central area of the wind wheel is provided with a rotational flow wind cavity wh...

The utility model discloses a single pipe anti-frozen device for a water supply and drainage single pipe of a solar water heater, which comprises a water pipe, and a water supply and drainage control valve of a water source and a use device, wherein the water pipe is used for communicating the water tank of the solar water heater with the a water supply source and the use device. A master control ...

The utility model relates to an automatic overflow alarm of a solar water heater used for electronic alarming by being matched with the solar water heater. The utility model is mainly composed of a three-way pipe connected with an outlet of the solar water heater. The overflow pipe of the three-way pipe is provided with two electrode contacts, which are connected with an outer alarming integrated ...

The utility model relates to a solar water heater with an emptying pipe. The solar water heater with an emptying pipe comprises a water storage tank, a control valve, and a water supply and discharge pipeline communicated with the water storage tank through the control valve. One air guiding pipe is arranged on the water storage tank. The solar water heater with an emptying pipe has the advantages...

The utility model relates to an anti-freezing device for a water pipe. The anti-freezing device for a water pipe has the advantage of good adaptability. An anti-frozen device for a water pipe of a solar water heater comprises a water guiding pipe, an exhaust triplet, a connection triplet and a hose. The exhaust triplet and the connection triplet are connected through a joint of the water guiding p...

The utility model relates to a circular prismatic sealed and pressured inner water tank for a vacuum pipe solar water heater. The edge of a connection opening of a vacuum pipe on the water tank forms a circular prismatic shape which can be particularly divided into a hook shape, a hook shape with a front end is inwards bent and an enclosed type hook shape by the means that a front end is inwards b...

The utility model relates to a highly effective water bag heated by sunshine, which belongs to the field of solar energy exploration and utilization. The upper surface adopts colorless transparent materials and the lower surface adopts black light-absorption materials. The utility model solves problems of quick heat emission and uniform water temperature of the prior art, and thus solar energy uti...

The foamed lead plate is produced with porous foamed copper (with a porosity of 90-95%) as substrate, which is electroplated with a layer of Pb-Sn alloy, heat treated and electroplated with a layer of pure lead. Compared with common cast plate, the said one has a light weight, only one third, and larger, 4-5 times higher, surface area, and can produce cells with 10% higher capacity and 30-70% high...

A system and method for the collection of marketing data simultaneously captures at a point-of-sale all financial and non-financial data pertaining to a specific consumer transaction. An electronic invoice is constructed from the captured data and transmitted to a credit authorization location via a communication link necessarily established to transmit a credit authorization request for the trans...

Apparatus for peeling shrimp including powered roller assemblies each made up of a peeling roller and a drive member attached by a releasable connection. Roller connection structure at a first end of each roller assembly mates with reciprocal drive connection structure in the drive member. An adjustable element extending through the drive member allows the connection to be released and the roller ...

A holder for cellular phones is disclosed. In the case of a case-separated holder, the holder of this invention has an elastic member and elastically holds a phone case, thus allowing a cased cellular phone to be easily and simply handled by one hand when the phone is held on or removed from the holder. The above case-separated holder also limits the rotating angle of the cased cellular phone rela...