Organic bonded abrasive tools, having controlled microstructures, comprise a relatively low volume percentage of abrasive grain and a relatively low hardness grade, but are characterized by the excellent mechanical strength and efficient grinding performance of much harder grade, lower porosity tools, especially in versatile grinding processes, such as centerless grinding. A method for centerless ...

An apparatus and method are disclosed for filtering or separating particles. The apparatus has a centrifuge rotor (12) rotatable about an axis of rotation. A fluid chamber (22) rotates with the rotor. A substanc e is supplied to the inlet (28) of the chamber. A saturated fluidized bed of first particles forms within the fluid chamber and obstruct s flow of second particles through the chamber. In ...

An apparatus and method are provided for separating components of a fluid or particles. A separation vessel (28) having a barrier dam (62) is provided to initially separate intermediate density component of a fluid, and a fluid chamber (30) is provided to further separate these intermediate density components b y forming an elutriative field or saturated fluidized particle bed. The separation vess...

"MéTODO DE SERVIR UM POçO EM UM SìTIO DE POçO E VEìCULO DE SERVIçO DE POçO MóVEL". A presente invenção é dirigida a incrementar uma armação de serviço de poço de maneira tal que é registrada para o sítio do poço com base na atividade e/ou com base no tempo. A invenção contempla que os dados adquiridos podem ser transmitidos em tempo quase real ou periodicamente através de transferência por fiação,...

The invention achieves stable performance, such as low parasitic capacitance generated at conductive components. Components having a low dielectric constant of 4 or less are disposed on a base member. Functional films partitioned by the low-dielectric-constant components are also provided.

An improved light beam combiner is disclosed that creates a more uniform light source across the UV, Visual, and NIR range. It is an optical mechanical device made up of a standard high low dielectric thin film which, when placed at a 45 degree angle between a Deuterium lamp and a Halogen or Tungsten lamp, reflects the UV portion of a Deuterium lamp and passes the visual portion while also allowin...

In a microcomputer, a watch-dog timer and a sleep control timer share a counter in their signal generating circuits. In a normal operation mode, an AND gate is in a signal passing state and a reset signal RST can be outputted. In a sleep mode, another AND gate is in a signal passing state and a wake-up signal WKUP can be outputted.

A filter assembly includes a housing with a central standpipe, and cover for enclosing a filter element. The filter element includes a ring of filtration media and first and second end caps. A vent orifice is formed in the first end cap into the central cavity of the media ring. A support core is disposed centrally in the media ring and extends between the first and second end caps. The core inclu...

A bipolar electrosurgical instrument including an introducer having a channel therein and an electrically conductive snare slidably positioned within the channel and slidable between an undeployed position wherein it is substantially retracted within the channel and a deployed position wherein a distal portion of the snare extends outwardly from the channel. The electrically conductive snare is su...

The invention relates to a method for producing highly porous, metallic molded bodies. The inventive method consists of the following steps: a metallic powder used as a starting material is mixed with a dummy; a green body is pressed out of the mixture; the green body is subjected to conventional mechanical machining, the dummy advantageously increasing the stability of the green body; the dummy m...

The invention relates to a single- or multilayer, white, biaxially oriented polyester film. Films of the invention are formed from thermoplastic polyester and are coated on at least one side with a water-soluble adhesion-promoting layer that includes a hydrolyzed amino-functional silane. The invention further relates to the use of the film and to a process for its production.

The present invention relates to a diagnostic test kit and method for detecting the presence of certain metabolic by-products in human urine. The kit includes a test strip with an exposed face side containing chemical reagents which react in the presence of selected metabolic by-products. The reverse side of the test strip has an adhesive backing which allows the strip to be mounted in the interio...

Système (1) de mise en surveillance de locaux (10), comprenant: des équipements (LA-LD) de contrôle d'accès dans ces locaux (10), des équipements (V1-V3, P1-P8) de détection d'intrusion ou présence no n autorisée dans ces locaux (10), comprenant des moyens (P1-P8) de détection périmétrique pour détecter toute intrusion dans un périmètre déterminé autour de ces locaux (10), des moyens (V1-V3) de dé...

This invention relates to the production of low density resole foams from resole resins. The foams have a density of 2.0 pounds per cubic foot (32.037 kg/m3) or less and are produced with a blowing agent consisting of a HCFC or a HFC and a perfluoroalkane, wherein the perfluoroalkane comprises 1 to 5 weight percent of total blowing agent weight, and wherein the HCFC or HFC has a boiling point of b...

A circuit board is inserted into an open-ended housing and potting material is dispensed onto the exposed face of the circuit board in a single step to seal the circuit board to the housing. One or more electrical interconnects such as a connector header or a ribbon cable attached to the circuit board extend upward through the potting material so that the potting material also forms an environment...

Methods, cement compositions and oil suspensions of powders selected from the group consisting of micro-silica, silica flour, fine silica flour, silica sand, fine particle size cement, ultra-fine particle size cement, fly ash, slag, vitrified shale and zeolite.

Wetted thin diamond films which are drapable are described. The films are mounted on various substrates and used as windows for electromagnetic radiation or form a surface coating on an article of manufacture.

A mask pattern includes a main pattern to be transferred through exposure and an auxiliary pattern that diffracts exposing light and is not transferred through the exposure. The main pattern is made from a shielding portion, a phase shifter or a combination of a semi-shielding portion or a shielding portion and a phase shifter. The auxiliary pattern is made from a shielding portion or a semi-shiel...

An epoxy resin composition comprises (a) an epoxy resin, (b) an anionic polymerization initiator and (c) from 1 to 30 parts by weight per 100 parts by weight of epoxy resin (a) of an aromatic ring-containing proton donor of a polyhydric alcohol and/or a polymercaptan.

Using the dope containing the following cellulose acetate (1), (2), or (3), a film is prepared by the casting process: (1) a cellulose acetate having carboxyl groups binding to at least one member selected from the group consisting of a cellulose acetate and a hemicellulose acetate, wherein at least a part of said carboxyl groups are in an acidic form; (2) a cellulose acetate containing at least o...