An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a sleeve that may be useful with a variety of borehole logging tools to reduce or eliminate the transmission of noise to the receiving ...

"DERIVADOS DE FENIL-5, 7-DI-HIDROCARBIL-3, 7-DI-HIDROPIRROLO¢2,3-d! PIRIMIDIN-4-ONA 2-SUBSTITUìDA, SUA PREPARAçãO E SEU USO FARMACêUTICO". Trata-se de uma invenção que refere-se aos compostos da fórmula I, sua preparação e as composições farmacêuticas que contêm os compostos. A presente invenção também se refere ao uso dos compostos da fórmula I na preparação de remédios, que podem tratar disfunçõ...

"ATUADOR ELETROMAGNéTICO COM FORçAS INICIAL E ENGATAMENTO". Um atuador eletromagnético é proporcionado, que compreende um alojamento, uma bobina de solenóide e uma armadura. A armadura é disposta de forma móvel em uma cavidade interna definida pelo alojamento. vãos irregulares são formados entre a armadura e o alojamento, para aumentar a força inicial do atuador e aperfeiçoar a força de engatament...

A carcass 7 includes first and second carcass plies 9 and 10 . The first carcass ply 9 has a body portion 9 A extending from a tread portion 2 to a bead core 5 through a sidewall portion 3 , and a wound up portion 9 B which is folded back from inside to outside around the bead core 5 . The body portion 9 A is provided with the wound up portion 9 B. The second carcass ply 10 includes an inserting p...

An apparatus for manufacturing components for a tire being worked is provided. The apparatus includes a toroidal support for carrying the components of a tire being worked. The toroidal support has an outer surface substantially matching an inner shape of the tire. The apparatus also includes means for feeding at least one elongated element through at least one delivery member disposed adjacent to...

Device for fabricating a tire reinforcement by laying a cord 4 on a core 1 . An arm 131 is mounted on a carriage 130 , which is itself mounted on a rail 132 in such manner that it can slide parallel relative to the rotation axis of the core 1.

An expandable tire building drum, having alternating fixed ( 226, 326, 426 ) and expanding ( 228, 328, 428 ) segments (e.g., 24 of each) in a center section ( 220, 320, 420 ) of the drum. The expanding segments are axially-extending and circumferentially spaced from one another, and are contoured (have recesses, or grooves) to accommodate tire components such as sidewall inserts. Two different mec...

The invention relates to a metal oil pan for engines or transmissions, with an oil filter medium arranged therein, wherein part of the oil pan forms the bottom of an oil filter housing and a plastic half-shell forms a cover of the oil filter housing, and the oil filter medium is arranged between the oil pan and the plastic half-shell, the oil pan having metal rivets at its edge, and the plastic ha...

The present invention relates to a cutting tool insert for metal machining comprising tungsten carbide in a binder phase of tungsten or a tungsten alloy. The insert contains, in addition, W₂C in an amount such that in the x-ray diffraction pattern the peak ratio W₂C(101)/W(110) is <0.3. This particular microstructure is obtained by an additional heat treatment at about 1200° ...

The invention is a method for retreading a tire comprising the step of using a supercritical fluid as a carrier to spray a gum cushion layer on the outer surface (radially outermost) of the carcass of a tire. In a preferred embodiment of the invention, the supercritical fluid is carbon dioxide. In one embodiment of the invention, the supercritical fluid is a mixture of a rubber product, a solvent,...

Disclosed herein is a heat-shrinkable co-polyester film having terephthalic acid and ethylene glycol as main components and containing 1,4-cyclohexanedimethanol at the amount of 3-40 mol %. The heat-shrinkable co-polyester film has a crystallization temperature of 80-220° C., a heat shrinkage (%) higher than 30% in at least one direction of longitudinal and transverse directions in 90° C. hot wate...

A vehicle tire provided with a protective film which covers a surface of the tire is disclosed, wherein the protective film is indicative of at least one of tire data including tire conicity and radial force variation of the tire and can be washed away with water. Also a method of fitting tires on a vehicle is disclosed, wherein the installing positions of the tires are determined according to the...

A material that can be worn away by abrasion, and a method of making the same, includes a substantially oxide free metal alloy based on nickel or cobalt or a ceramic. The material further includes at least one of particles of solid lubricant, closed pores, or surface recesses. The material can be used to make parts, in particular plates, and casings, the inner surface of which is at least partiall...

A method of screening a subject for a proliferative disease risk factor comprises detecting the presence or absence of upregulation of the CLN3 gene in the subject. The upregulation of the CLN3 gene in the subject indicates the subject is at increased risk of developing a proliferative disease. Methods of screening compounds for the treatment of proliferative diseases based on the CLN3 gene and it...

This invention generally relates to a reflection-photometric analytical system having a measuring head comprising a source of radiation and a radiation detector for the reflection-photometric analysis of a target surface of a test object arranged at a distance from the measuring head and in particular of a test strip for body fluids such as urine or blood. A triangulation unit operating on the bas...

Methods and systems for monitoring semiconductor fabrication processes are provided. A system may include a stage configured to support a specimen and coupled to a measurement device. The measurement device may include an illumination system and a detection system. The illumination system and the detection system may be configured such that the system may be configured to determine multiple proper...

An energy absorbing system. The energy absorbing system spanning a roadway and including a net spanning the roadway, the net having a connecting member coupled to a top member, a middle member and a bottom member, and a mat arranged on the roadway, having a plurality of recesses to accommodate the net, when the net is in a lowered position.

In a method for monitoring a rotation rate sensor with a vibrational gyroscope which has a first input and a first output which form part of a primary control loop which excites the vibrational gyroscope by supplying an excitation signal to the first input at its natural frequency, where the vibrational gyroscope also has a second input and a second output which form part of a secondary control lo...

A method for starting an internal combustion engine of a hybrid drive of a motor vehicle, the internal combustion engine and at least one electric motor being mechanically linkable to an output shaft of the hybrid drive via a gear system. The output shaft of the hybrid drive is placed in rotary motion, and at least one of the electric motors is switched to a generator mode by the gear system and b...

A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. A paper that is filled is also provided and a paper that is coated and a polymer that is filled are envisioned th...