A piezoelectric device includes an at least locally thin-walled ceramic substrate (2) and at least one film-type piezoelectric transducer (3) on the substrate. The substrate is locally formed with at least one cavity (4) defined by at least one peripheral wall (2c) and a bottom wall (2a) having a reduced thickness. The piezoelectric transducer is arranged on the outer surface opposite to the botto...

FIELD: mining and geophysical technology. SUBSTANCE: method relates to development of deposits and extracting of liquid minerals and to geophysical investigations. For realization of method, performed is double measurements of level in similar conditions at equalized levels in pump-compressor pipes in annular space. Liquid is taken from volume being controlled. Also determined is time period of we...

FIELD: centrifugal separation of blood into components. SUBSTANCE: device includes vessel for separation of phase with circular chamber for receiving sample of liquid, piston, drain passage communicated with circular chamber, device for feeding the sample to circular chamber when piston is in position of maximum inner volume of chamber, electric motor for rotation of vessel and actuating mechanism...

FIELD: data display engineering; color plasma displays, television sets, or shared screens. SUBSTANCE: panel has front glass plate and rear one both bearing electrode structures forming pixel matrix; each pixel has three microbit cells for generating ultraviolet light; each microbit cell of pixel has, respectively, one of three photoluminescent phosphors emitting red, green, or blue light under th...

A cutting tool insert includes a cutting tip mounted into a first recess of a molded hard refractory compound insert having a second recess of preselected size and shape for locating the insert to a cutting tool. A preferred cutting tip is a diamond and a preferred hard refractory compound is a tungsten carbide with a cobalt binder.

A hand mounted pocket for placement on a back of a hand. The hand mounted pocket comprises: a wrist band, at least one finger band, and a pocket panel. The wrist band is annular and is sized to engage a person's wrist. The at least one finger band is annular and is sized to engage at least one finger of a person's hand. The wrist band and the at least one finger band are joined by the pocket panel...

Electrode assemblies and associated systems employ a nonporous wall having an exterior for contacting tissue. The exterior peripherally surrounds an interior area. The wall is essentially free of electrically conductive material. The wall is adapted to assume an expanded geometry having a first maximum diameter and a collapsed geometry having a second maximum diameter less than the first maximum d...

In a bipolar pincette having two pincette arms (12a) which are connected at one end by a holding means and which are electrically insulated from each other, the holding means has two interconnected channel-like profile portions (24a) each of which is provided with two insertion slots or the like guide paths for a respective blade-like region or a gripping blade (20) of one of the pincette arms (12...

A automatic guided vehicle travels on a prearranged travel path established by a path guide and detects lateral deviation of the vehicle from a path guide to control the direction of travel of the vehicle by steering the vehicle according to a prescribed relationship between steering angle and lateral deviation which is installed in the form of ruling maps in the vehicle.

A system and method for managing access of at least one mobile machine to a load resource having a loading machine including a queue manager adapted to deliver a queue position request signal, a resource manager adapted to control access to the load resource, and a load manager adapted to determine a load point for a mobile machine.

An apparatus and method for determining and displaying a position of a work implement of a work machine in a site coordinate system is provided. First and second position sensors mounted on the work implement determine the position of the first and second position sensors and produce first and second position signals, respectively. A pitch sensor connected to the work implement senses a pitch of t...

Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams and as aerosol propellants.

PCT No. PCT/SE95/00497 Sec. 371 Date Nov. 5, 1996 Sec. 102(e) Date Nov. 5, 1996 PCT Filed May 5, 1995 PCT Pub. No. WO95/30502 PCT Pub. Date Nov. 16, 1995The present invention concerns low allow PM materials which after single pressing and sintering utilizing traditional powder metallurgy processes and equipment combine high mechanical strength and high density with maintained precision of toleranc...

The sealing cap (1, 2) has a ventilation valve and a sealable withdrawal orifice (13) to which a line (5) can be connected. The withdrawal orifice permits the withdrawal of liquid such that no significant amount of liquid vapor escapes, and the liquid is virtually prevented from coming in contact with the skin. In addition, the sealing cap can be used without difficulty in combination with known h...

A fluid analysis apparatus is disclosed for conducting analysis on a fluid using a test strip. The apparatus includes a chamber in which the test strip is brought into contact with the fluid to be tested, the chamber having at least one sealable port for passage of the fluid into and out of the chamber and at least one sealable port for passage of the test strip into and out of the chamber, and dr...

A vehicle includes an internal combustion engine and an improved exhaust system including an exhaust pipe connected to the internal combustion engine and a flexible hose connected to the exhaust pipe and to an emission control device. A clamp assembly connects ends of the exhaust pipe and the flexible hose and includes a gasket received within a band subassembly.

Process for devitalizing a tooth by transmission of a high-frequency electric pulse to the vascular and nervous tissue in the root canal by insertion in said canal of an electrode in the form of a needle (100), said pulse being generated by an electronic apparatus (10), values of power, time and frequency of said electric pulse being automatically regulated by the electronic apparatus in accordanc...

A tread brake unit for applying a brake block (3) against the tread of a rail vehicle wheel comprises a pneumatic cylinder (1) having a piston (9) with a piston rod (11). A block holder (2) for the brake block is pivotably connected to the piston rod by a pivot sleeve (19) rotatably attached in the end of the piston rod facing the block holder, which is provided with a circular surface (25) for en...

A frangible sealing disk for use downhole in combination with packer components. The sealing disk is a molded ceramic disk having a circular seating face and extending centrally through a dome-shaped seal. The seal is preferred for use in combination with a packer assembly for pressure sealing the borehole, either up hole or down, so that the seal may be broken away easily when it is desired to re...