A device for separating components such as fibrin monomer from blood by centrifugation about a central axis comprising a first annular chamber (7 0) defined by an outer cylindrical wall (72) and an inner cylindrical wall (71) both walls being concentrically accommodated about an axis of rotation, and by a top wall (73) and a bottom wall (74), where the bottom wall is formed by a piston (55) displa...

The invention pertains to a spike for the running surface of a motor vehicle tire, especially a snow tire, with, as seen from above, an out-of-round, elongated , plate-like spike root (2, 2a), the greatest extension of which defines a longitudinal axis (7a), a nd an out-of-round, elongated upper part (4, 5) of the spike, the greatest extension of which defines a longitudinal axis (6a). In order to...

"MéTODO PARA FORMAR UM PANO, MATERIAL COMPOSTO E LIMPADOR FORMADO DE MATERIAL COMPOSTO". Trata-se de um pano composto que contém fibraS de fio emaranhadas hidraulicamente com uma trama não tecida formada de filamentos contínuos. Uma parte das fibras de fio está emaranhada com a trama, enquanto outra parte se projeta através da trama. A topografia da superfície resultante possui uma superfície com ...

"PANOS COMPóSITOS NãO-TECIDOS SUBMETIDOS à ABRASãO". Trata-se de um pano compósito não-tecido que contém uma ou mais superfícies submetidas à abrasão (por exemplo, arenosa). Além de aperfeiçoar a suavidade e a sensibilidade ao tato do pano compósito não-tecido, foi inesperadamente descoberto que a abrasão de tal pano, também pode proporcionar excelentes propriedades de manipulação de líquido (por ...

Tire made of a rubber-based material of black color comprising at least one design on an outer surface of the said tire, the material being a diene elastomer or rubber, the design having on its outer surface at least one light diffraction grating formed of a plurality of ridges or grooves of height H arranged parallel to one another with a period P. The process for obtaining a design of variable c...

An apparatus for controlling a gear ratio changing operation in a transmission includes clutch controlling device, a motor generating an assist driving torque, and an assist driving torque controlling device for controlling, in response to a clutch operation, the motor to generate a target assist driving torque. While transmission of driving torque between an internal combustion engine and the tra...

Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) compr

A vertical Hall effect apparatus, including methods thereof. A substrate layer can be provided upon which an epitaxial layer is formed. The epitaxial layer is surrounded vertically by one or more isolation layers. Additionally, an oxide layer can be formed above the epitaxial layer. A plurality of Hall effect elements can be formed within the epitaxial layer(s) and below the oxide layer, wherein t...

According to the invention, autonomous carriers or vehicles are efficiently navigated over a field of operation. The carriers are equipped to execute a selected procedure at more than one desired location on the field, and the navigation system of the invention directs the carrier to the location that is preferentially accessible to it, based on a defined criterion. After the carrier has executed ...

"SISTEMAS DE ESPUMA RìGIDA DE FATOR K BAIXO". A presente invenção refere-se a espumas de poliuretano rígidas preparadas por mistura de um isocianato com um componente de poliol contendo um poliol poliéter iniciado em amina aromática, um poliol poliéster aromático e opcionalmente, um poliol poliéter à base de sacarose. As espumas da invenção possuem boas propriedades, conforme indicado por um fator...

"BLOQUEIO MECáNICO COMANDADO DE DIFERENCIAL". Trata-se de um componente-acessório automotivo constituído por um sistema de bloqueio mecânico de diferencial composto por comando de acionamento manual, elétrico ou a vácuo, e conjunto completo de caixa de satélites com sistema de engrenamento mecânico que permite opcionalmente por comando o bloqueio de 100% da função diferencial de um veículo automot...

A differential gear arbitrarily produces difference in speed of rotation between output side rotary members. When a difference in speed of rotation occurs between drive shafts 3 and 4 , if clutches 12 and 17 are disconnected, the drive shaft 3 rotates independently of the first output side gear 9 , and the drive shaft 4 rotates independently of the second output side gear 14 . When the rotation of...

A fiber reinforced cementitious material and the fiber used therein are disclosed. The fiber reinforced cementitious material includes a conventional cementitious material and less than 5 pounds per cubic yard of the cementitious material of fibers dispersed therein. The fibers are made of a mixture of a thermoplastic polymer and an organometal compound wherein the metal of the compound is selecte...

A dielectric ceramic composition obtained by firing a mixture containing a glass component and a dielectric component represented by the compositional formula a.Li₂O-b.(CaO_1-x-SrO_x)-c.R₂O₃-d.TiO₂ (wherein x satisfies 0<=x<1; R is at least one selected from La, Y and other rare-earth metals; and a, b, c and d satisfy 0<=a<=20 mol %, ...

A dielectric ceramic composition containing a dielectric component represented by the compositional formula a.Li₂O-b.(CaO_1-x-SrO_x)-c.R₂O₃-d.TiO₂ (wherein x satisfies 0<=x<1; R is at least one selected from rare-earth elements; and a, b, c and d satisfy 0<=a<=20 mol %, 0 <=b<=45 mol %, 0

Provided is a coating liquid for forming a porous film having desirably controlled thickness and having excellent dielectric and mechanical properties, using the conventional semiconductor process. Specifically, provided is a composition for forming a porous film comprising a condensation product and an organic solvent wherein the condensation product is obtained by hydrolysis and condensation, at...

The present invention relates to aqueous dispersions for solid phenolic antioxidants, wherein the antioxidants are dispersed in the aqueous phase with polyvinyl alcohol as dispersing agent. The invention also relates to a process, which comprises stabilising a polymer material against oxidative, thermal or light-induced degradation by adding to the polymer the aqueous dispersion.

A signal evaluation device for evaluating a decoded signal of maximum likelihood decoding includes: a differential metric circuit for finding differential metrics; comparators for judging whether a difference of differential metrics exceeds a predetermined threshold; counters for counting respective output pulses of the comparators; and a controller for finding the probability of the differential ...

A device for uphill start-up assistance for a motor vehicle including a control for controlling release of the vehicle mechanical brakes that act on the vehicle wheels, so that the vehicle is maintained on the slope when maneuvering uphill without any intervention from the driver on this maintaining condition. The control uses mainly the state of the slope, the interpretation and anticipation of t...

A communication system preferable to a technique of allowing only an ISP ( 151 ) connecting a user terminal to the Internet to manage information about the charging for the service provided to the user by an ASP ( 132 ) in the Internet so as to prevent credit card information on the credit card of the user from leaking into the Internet and preferable to dial-up server for providing connection wit...