A crack forming method capable of forming a crack in an accurate direction even if displacement occurs when a large-sized brittle material substrate is positioned on a loading table for processing and a crack forming device. In the method, a beam spot (B) is moved relative to the substrate (G) under the condition that the direction of a beam running line (L) which is the route of the movement cent...

The invention concerns a composite material part made by forming a fibrous preform (20), forming holes (22) extending in the preform from at least one side thereof, and densifying the preform with a matrix formed at least partly by a chemical vapour infiltration in gas phase (CVI). The holes (22) are formed by removing the material thereof by rupturing the fibers, for example by high-pressure jet ...

An absorbent, low-linting fibrous structure comprising an entangled web of synthetic fibers, wherein fibers of at least one of said top surface and said bottom surface are surface bonded, such as by thermal or adhesive bonding. The web is absorbent, has low density, is resistant to linting, and can retain structural integrity at high temperatures. The structure can be made by forming a web of synt...

In one embodiment, a hardfacing composition for a drill bit, including a carbide phase including from about 50% to about 80% by weight of the hardfacing composition of a combination of 80 to 200 mesh macro-crystalline tungsten carbide and 80 to 200 mesh crushed cast carbide, the crushed cast carbide being about 5% to 50% of the total weight of the carbide phase, and a binder alloy comprising about...

ACOPLAMENTO HIDRODINáMICO, E, SISTEMA TURBOCOMPOSTO COM UMA TURBINA DE UTILIZAçãO DE GáS DE EXAUSTãO A invenção refere-se a um acoplamento hidrodinâmico, em particular para um sistema turbocomposto, compreendendo: uma roda de bomba (1); e uma roda de turbina (2) que conjuntamente com o roda de bomba forma uma câmara de trabalho (4) que pode ser cheia com um meio de trabalho (3). O acoplamento dinâ...

MéTODOS E SISTEMAS PARA CONVERSãO DE BIOMASSA EM áCIDOS CARBOXìLICOS E áLCOOIS. A divulgação inclui um método, processo e aparelho para a conversão de biomassa em ácidos carboxílicos e/ou álcoois primários. O sistema pode incluir um subsistema de pré-tratamento/fermentação operável para produzir um caldo de fermentação contendo sais de ácido carboxílico a partir da biomassa, tal como uma biomassa ...

Mini-cutelo de montagem periférica para desbastagem superficial e dispositivo adaptador de montagem do dito mini-cutelo. O corpo do mini-cutelo dispõe de uma ou mais aberturas de sujeição (5b) que permitem sua montagem nas adjacências à periferia do suporte (20); a partir da borda denteada (5a), o corpo se estende brevemente ao largo até alcançar uma largura tal que a borda oposta (5c) à borda den...

PNEU E BANDA DE RODAGEM DE PNEU COM RANHURAS DE CURVATURA DEFINIDA. Um pneu tem uma banda de rodagem, com a banda de rodagem tendo uma pluralidade de elementos de banda de rodagem que contatam o chão, criando uma superfície de banda de rodagem e pelo menos um dos elementos tem uma ranhura no mesmo. Nos planos paralelos à superfície de banda de rodagem, a configuração de uma porção radial externa d...

PNEU COM BANDA DE RODAGEM DOTADA DE RANHURAS E LáMINAS DE RANHURA PARA PNEUS. Um pneu tem uma banda de rodagem com uma pluralidade de elementos de banda de rodagem que contatam o chão. Em pelo menos um dos elementos de banda de rodagem encontra-se uma ranhura tendo uma profundidade na direção radial do pneu. A ranhura tem uma configuração transversal compreendida de duas ranhuras. Pelo menos um da...

Method for refining and homogeneously distributing alloying partners and for removing undesired reaction products such as oxides and/or slag in or from soft solder during the production of fine solder powder, in which the solder alloy is melted in a high temperature-resistant plant and/or animal oil, the melt is moved to another container of oil with a temperature of at least 20° C. greater than t...

A scabbard and method of using, for a baton used by security and police-personnel is provided. The scabbard includes a baton holding element and means to attach the scabbard to a user's belt. The attachment means permits the user to adjust the angle at which the baton is held and permits the angle to be fixed so that the user need not readjust the position each time that the scabbard is worn. The ...

A method of molding an article comprises inserting a mandrel into the cavity of the mold; placing a niobium based refractory metal intermetallic composite powder into a cavity of a mold; consolidating the niobium based refractory metal intermetallic composite around the mandrel; and chemically removing the mandrel from the composite. In one embodiment, the molded article comprises a turbine compon...

Disclosed are diagnostic techniques for the detection of human disease states that affect gene expression in peripheral leukocytes. The invention relates particularly to probes and methods for evaluating the presence of RNA species that are differentially expressed in the peripheral blood of individuals with such a disease state compared to normal healthy individuals. The invention further relates...

A beneficial photometric analytical method is described according to which an effective amount of at least one analytical agent for photometric analysis, is delivered from a support into a liquid sample, and advantageously a mixing action may be provided, by moving a portion of the support in the sample. The sample may be added to a photometric cell disposed in a photometric instrument, or may be ...

The invention relates to a device for scanning a thread, which is displaceable in the longitudinal direction thereof inside a measuring slot, by means of an optical beam emitted by a light source. The device includes a receiver of light reflected on the thread and a unit for processing electrical signals received by the receiver. The aim of the invention is to develop a small-sized device which is...

A foamed cellular material which can be obtained from foamed aromatic polyester resins with a bulk density of 50 to 700 kg/m3 by heating in vacuum to temperatures which are higher than the Tg of the material and lower than its melting point. The foamed material, generally in the form of a sheet or panel, has high-level characteristics in terms of flexibility and dimensional thermostability dependi...

LAMINADOS EM MULTICAMADA COM PELìCULAS GRAVADAS EM RELEVO EM UM LADO, BASEADAS EM áLCOOL DE POLIVINILA PARCIALMENTE ACETALADO. A presente invenção refere-se a um processo de gravação em relevo para a produção de uma película estruturada em um lado baseada em álcool de polivinila parcialmente acetalado com rugosidade das superfícies gravadas em relevo de Rz = 20 a 80 (m através de gravação em relev...

MéTODO E DISPOSITIVO PARA A VISUALIZAçãO DE MOVIMENTOS DE UM VEìCULO. A presente invenção refere-se a um método e um dispositivo para a visualização da movimentação de um veículo (1, 2), sendo que o veículo (1, 2) possui pelo menos uma unidade de indicação (14) acoplada a uma unidade de controle e avaliação (12) e sendo que a unidade de controle e avaliação (12) é acoplada a pelo menos um sistema ...

The present invention relates to a downhole method and apparatus for locating a window in a wellbore casing and determining the depth and orientation of said window. Apparatus of the present invention comprises a body ( 4 ) and a window engaging member ( 6 ) mounted on said body ( 4 ) so as to be movable between a retracted position and an extended position. The engaging member ( 6 ) is adapted to...

The present invention provides an electric disk brake which enables an operation for wiring the harness to be easily conducted without the risk of lowering production efficiency. A caliper body-side connector 26 which, together with a harness-side connector 24 of a harness 23 , forms a connector 25 , is provided in a caliper body 3 . In the caliper body-side connector 26 , first to fourth lead-out...