FIELD: powder metallurgy, namely methods for making cutting tool of carbide powders with inner ducts for cooling liquid. ^ SUBSTANCE: method for forming powder blank of metal cutting tool having opening, at least one recess and at least one passage connecting said opening at least with one recess comprises steps of placing in die upper punch with front end having at least one first protruding memb...

FIELD: chemical and light industry, in particular, production of viscose staple fiber containing antibacterial preparation for manufacture of non-woven material used for manufacture of air filters. ^ SUBSTANCE: method involves washing formed viscose threads; squeezing to provide 50%-content of alpha-cellulose; treating with aqueous catamine solution having mass concentration of 15-40 g/dm3; provid...

FIELD: oil and gas industry, particularly well survey, namely locating fluid leaks, intrusions, or movements. ^ SUBSTANCE: method involves performing acoustic logging along well bore; recording and analyzing wave signal and phase correlation diagrams; recording surface waves reflected from clutch connections after total attenuation of forward acoustic waves passing from transmitter to receivers wi...

FIELD: mechanical engineering; vehicle transmissions. ^ SUBSTANCE: proposed differential contains case 1, side gears 2, and 3, planet pinions and locking device. Locking devices is made in form of ring shifter 7 connected with drive 8, pushers 10 arranged inside axles 9 of planet pinions, intermediate members and locking members. Differential includes also elastic stop, and spring inserts 17 and 1...

FIELD: measuring technique; integral members for measuring angular speed. ^ SUBSTANCE: when semiconductor substrate l begins to rotate around axis, disposed in plane of substrate, inertial masses 28 and 30 begin to oscillate in plane being perpendicular to substrate due to torsion of torsion beam 29. When semiconductor substrate begins to rotate around axis, disposed in perpendicular to substrate,...

The sensor (20) has a piezoelectric sensor (21) associated with a presence detection module (23) and a slow and weak movement detection module (22). A regulation module eliminates the influence of thermal environment and its time variations. The sensor produces two outputs (SD, SP) for detecting a passive presence and a movement of an intruder, respectively. The sensor (20) is bolometric or thermo...

The inductor has a hollowed zone (z) formed in a semiconductor substrate (1) e.g. silicon substrate, under a membrane (2). A membrane portion (3) located above the hollowed zone is cut under a form of a plane pattern on which a conductive track is arranged, where the conductive track forms an inductor element adapted to be traversed by current. The membrane portion has a central element (4) and a ...

A collapsible umbrella (10) comprises an elongate central support member (20) having a distal end (22), a proximal end (24), and a central portion(26); a collapsible cover member (30) at the distal end (22) and being moveable from a collapsed configuration adjacent said central portion (26) of the support member (20) to an expanded configuration extending radially outwardly; a plurality of fan bla...

The case (1) has an cover (2) and base (3) respectively comprising an upper panel and lower panel, where the panels respectively comprise an upper recessed part (210) and lower recessed part. The hollow parts are in opposite to each other to delimit an axial traversing space along an axial direction of the case. A secondary case (6) occupies the space and axially locked between the panels when the...

The device has a lower block (1) with feet (2) for balancing the block from an articulation (3) to open and close an upper block (4) and a groove (5), which is at 85 degrees, to receive a prawn (6). The articulation and the groove block the prawn when a user exerts a pressure on the upper block. A thread (9) slides along an orifice (10) by compressing a spring (11) when the user pulls a trigger (8...

A local system for the release of active principle is described which consis ts of approximately spherical or rotation symmetrical bodies which are composed essentially of polymethyl methacrylate or polymethyl methacrylate co-methyl acrylate, zirconium dioxid e or barium sulphate and one or more pharmaceutical active principles, in particular antibiotics, and which are produced by radical polymeri...

A process for producing blended cement, where the cement contains Portland Cement mixed thoroughly with a microfiller and possibly a water reducing agent to a dry cement mixture and fine supplementary cementitious materials selected from the materials such as blast furnace slag, fly ash, quartz, silica, amorphous silicon dioxide, limestone and recycled concrete. The invention is characterized in, ...

FIELD: method for controlling electronic chamber systems for parcels. ^ SUBSTANCE: in accordance to invention, data for controlling electronic systems of parcel chambers are stored at server and transformed to commands for controlling systems of chambers for parcels, at server side, checking procedure is executed to check, whether changes have been made to data, present on server, and control comm...

An efficient and universal anti-counterfeit protection of commercial products allows consumers, wholesalers and interested regulatory authorities to rapidly and reliably check the authenticity of products put into circulation. The authentication system administrator manufactures and provides the manufacturer of an authentic product with the requested quantity of authentication marks. Each authenti...

Biologically active solid systems are disclosed, containing immobilized organic compounds, such as medicines, in the form of materials appropriate as bone fillers, implant coatings or other alike systems, of the common formula B-P-A, where B is an inorganic support consisting of calcium phosphate, calcium hydroxyphosphate (hydroxyapatite), their mixture, or some other biocompatible mixture contain...

The actuator has an outer cylinder (5) made of a positive or zero thermal expansion coefficient material and an inner sliding cylinder (7) made of an anisotropy material presenting a zero or negative thermal expansion material along an axis and zero or positive thermal expansion in another axis. An active piston (2) comprises sections made of a piezo-electric material and elongated inside the cyli...

The actuator has an outer cylinder (5) made of a positive or zero thermal expansion coefficient material and an inner sliding cylinder (7) made of a zero or negative thermal expansion coefficient material and inserted in the outer cylinder. An active piston comprises sections made of a piezo-electric material and elongated inside the cylinder (7) to move the piston by dry friction inside the cylin...

The box (1) has a magnetic field variation control part (2) movable between an end position corresponding to the setting of a heat engine to a slow pace and another end position corresponding to maximal acceleration of the engine. The part cooperates with a Hall-effect sensor. The magnetic field variations are used for actuating a speed control unit. Manual controls act on the position of the part...

A control device for an automatic gearbox, coupled to the engine or a motor vehicle, by a torque converter, including a locking device for a fixed connection of the output shaft of the engine to the input shaft of the automatic gearbox, to produce a lock-up and conversely to release the lock-up. The device further includes an engine control unit, for providing an order for the engine, such as a de...