"COMPOSIçãO DE POLìMERO E ARTIGOS MOLDADOS PRODUZIDOS A PARTIR DA MESMA". A invenção se refere a uma composição de polímero que compreende um polímero biologicamente degradável e um material de plantas marinhas e/ou de conchas de animais marinhos ou pelo menos dois componentes selecionados do grupo que consiste em sacarídeos e seus derivados, proteínas, amino ácidos, vitaminas e íons de metais. A ...

"APARELHO DE CONTROLE PARA TRANSMISSãO AUTOMáTICA VEICULAR". Uma transmissão automática veicular, TM, tem um conversor de torque, TC, conectado ao motor, E, e um mecanismo de transmissão automática (13a, 13b, 14a, 14b) conectado ao lado de saída do conversor de torque, a energia de acionamento do motor para o qual a troca de marchas é feita, via o conversor de torque e o mecanismo de transmissão a...

The present invention relates to a method and apparatus for detecting anomalies, defects or electromagnetic properties of electrically conductive and magnetically permeable materials by using a magnet to partially saturate the material, thereby lowering its permeability, and sending a second, higher frequency oscillating electromagnetic wave into the material. The oscillating magnetic flux field p...

An RF ablation system includes a catheter and an RF electrode that delivers RF electrical energy to the site of an occlusion. The system includes a mechanism for minimizing the likelihood that RF electrical energy will be applied directly to the vessel wall. In one embodiment of the invention, the catheter includes a number of tissue expanding jaws to engage a vessel wall and push the vessel wall ...

A rapid tooling method is provided for molding metal particles, ceramic particles or mixtures thereof directly from patterns comprising a meltable, soluble or decomposable substance and preferably formed by rapid prototyping technology, as well as particle compositions therefor. The method comprises mixing at least about 95% by weight sinterable metal particles, sinterable ceramic particles or mix...

An alloy and repair material comprising the alloy, articles comprising the alloy and repair material, and methods for repairing articles including provision of the alloy as repair material are described, with the alloy comprising ruthenium, nickel, aluminum, and chromium, wherein a microstructure of the alloy is essentially free of an L12-structured phase at temperatures greater than about 1000° C...

In a method for manufacturing a sintered body of the present invention, a feed stock including metal powder, a binder, and an organic material having a melting point lower than that of the binder is extrusion molding by using an extruder 1, so that an extruded body having a desired shape (cross-sectional shape) and dimensions is manufactured. In this method, a temperature of an extrusion side die ...

The present invention relates to a hand-held diagnostic testing system and method employing apparatus that can effect a chemiluminescent reaction and record the same on photographic film.

The present invention is a polyurethane carpet backing prepared from a polyurethane-forming composition wherein fly ash is included as a filler material. High loadings of fly ash can be obtained without detriment to the process for preparing a polyurethane carpet backing, or adverse effect to the physical properties of the carpet backing.

Certain multi-substituted dibenzylidene sorbitol acetals having electron withdrawing groups as constituents and electron donating groups on the other such that the compounds are asymmetric in structure and are dipolar in nature are provided. Polymer compositions comprising such compounds, are also contemplated which may be utilized within, as merely examples, food or cosmetic containers and packag...

The method and apparatus according to the invention permits stable driving operation of a motor vehicle at an extremely low vehicle speed by means of an electronic control unit. The internal-combustion engine is automatically adjusted by the control unit to a special rotational speed operation when a defined switch is operated or when a defined set of conditions exists. During special rotational s...

The invention relates to a device for generating bias voltages for the electrodes of a rotation rate sensor. By evaluating a rotation rate signal and a quadrature signal, control signals are generated, using an adaptive quadrature compensator, that are converted by means of a bias voltage generating arrangement into bias voltages that are delivered to the electrodes of an electrode arrangement dis...

Apparatus (10) for controlling rotation of an input (12) in the most preferred form of a brake includes a housing (50) which can be positioned in either first or second positions. In the first position, a piston (66) moves out of its cavity (64) in the housing (50) and forces a plate (76a) including the piston (66) and an interface facing (80) toward an interface disc (20) while a release spring (...

A limited slip differential having a modified clutch pack mechanism located outside of the differential case. The mechanism include a planetary gear assembly disposed between a side gear and the clutch pack to facilitate the application of greater torque. A rotatable collar and cup-shape member together with a pair of planetary gear sets establish a driving connection through the differential case...

A sliding surface is formed on an inner periphery of a drum member secured to a rear output shaft of a differential limiting device. There is provided a cam member between a projection and the sliding surface. The cam member has a friction surface slidable on the sliding surface and a V-shaped groove engageable with the projection. When a relative rotation occurs between the drum member and the ca...

An apparatus (10) for controlling the road speed of a motor vehicle has an accelerator pedal (12), which is biased counter to its actuating direction into an inoperative position and is movable from the inoperative position into a neutral position, from which a further movement of the accelerator pedal (12) counter to the spring bias leads to an increase of the drive torque of the motor vehicle dr...

The invention relates to magnets, particularly bonded magnets, of the Re-Fe-B type made from atomized magnetic powders and to methods of producing the powders and the magnet. The magnetic powders comprise, by weight, about 15% to 25% of RE; about 0.8% to 2.0% of B; about 1% to 10% of T; and balanced with Fe, Co, or mixtures thereof; wherein RE is one or more rare earth elements selected from the g...

A method of preserving two or more separately packaged agents for forming a silicone composition which can be cured by mixing the separately packaged agents, which method can reduce the number of air bubbles contained in a cured product of the silicone composition and prevent a reduction in the strength of the cured product. The method of preserving the composition is characterized by keeping each...

A process for manufacturing a prepreg exhibiting excellent formability and producing laminated boards and multiple layer circuit boards exhibiting high thickness precision is disclosed. The process of manufacturing the prepreg comprises (a) a step of impregnating a glass fiber substrate with a solvent, (b) a step of impregnating the solvent-impregnated glass fiber substrate with epoxy resin, (c) a...

A polyimide film is manufactured from a random copolymeric, block copolymeric or interpenetrating polymer network-type polyamic acid prepared from pyromellitic dianhydride in combination with 22 to 78 mol % of 4,4'-oxydianiline and 22 to 78 mol % of 3,4'-oxydianiline, based on the overall diamine. The polyimide film, when used as a metal interconnect board substrate in flexible circuits, chip scal...