The invention pertains to an actuating device for the automatic actuation of a clutch and/or gears, with gate- and gear selection, i.e. for carrying out three distinct functions. One, two or three actuators can be provided for actuating the clutch and gears. If three actuators are provided, each one carries out one function; if two are provided, one carries out two functions and the other carries ...

A device for separating components such as fibrin monomer from blood by centrifugation about a central axis comprising a first annular chamber (70) 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) displac...

Disclosed are compounds of formula (I) or the pharmaceutically acceptable salts thereof wherein: G represents a group of the formula (a), (b) or (c) where Ra and Rb represent hydrogen, or organic or inorganic substituents; A is an optionally substituted alkylene; R1, R2, R3, R4 represent organic or inorganic substituents; R5 is hydrogen or lower alkyl; R6 and R7 independently represent hydrogen, l...

There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least: a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; b) an aliphatic amine initiated polyoxyalkylene polyether po...

An environmentally sealed electronics assembly. The assembly includes a flexible envelope surrounding the active electronics board. The electronics board is insertable into the envelope and with subsequent sealing provides a reenterable but environmentally sealed active electronics package. Methods of manufacturing the assembly are also described.; La presente invencion se refiere a un aparato de ...

A biaxially-oriented polypropylene (BOPP) film with improved barrier properties, and a method of making the film are provided. The MVTR of a multi-layer BOPP film is improved by blending wax in the core layer resin, and providing a polyolefin cap layer on each side of the core layer. Significant additional improvements are seen when the film is heated at a temperature below the melting point of th...

An uncrosslinked, closed cell, low density ethylenic polymer foam having a density of less than 150 kg/m3 is prepared from, for example, uncrosslinked low density polyethylene using inorganic blowing agents, such as carbon dioxide, argon, or mixtures thereof. A process for preparing such uncrosslinked, closed cell, low density ethylenic polymer foam comprising extruding an ethylenic polymer of sui...

Medium modulus polyethylene films with improved tear performance are made for heavy-duty packaging applications and hot-fill uses. Film compositions contain high molecular weight linear polyethylene and a substantially linear ethylene/'alpha'-olefin interpolymer. The film is at least about 1.25 mils (31 microns) thick, has a film density in the range of 0.923 to 0.95 grams/cubic centimeter (g/cc) ...

Medium modulus, polyethylene films and bags with improved tear performance are made for heavy-duty packaging applications and hot-fill uses. Film compositions contain high molecular weight linear polyethylene and linear ethylene/'alpha'-olefin interpolymer. The film is at least about 1.25 mils (31 microns) thick and is characterized as having a calculated film density in the range of 0.923 to 0.95...

A gas generating substance is added to an aqueous dispersion containing refractory particles and a polymerisable monomer and the pressure and/or temperature are adjusted so that the substance generates the gas before the polymerisation gets under way; to control the formation of pores.; La presente invencion se refiere a un método de fabricacion de un artículo refractario poroso, caracterizado por...

The present invention refers to particle polyolefinic foams prepared with additives, which are manufactured by a process in which a) in a pressure-resistant reactor a dispersion is disposed, which is essentially composed by polyolefinic particles and a dispersing liquid agent, as well as a mixture of a volatile organic fluffing up agent and additive to be incorporated, b) a thermal treatment is pe...

Film and sheet materials, and articles made therefrom, such as bags pouches, trays, etc., comprise one or more layers of homogeneous alpha-olefin/vinyl aromatic copolymer, preferably an ethylene/styrene copolymer. The alpha-olefin/vinyl aromatic copolymer has properties which can provide a desired performance characteristics such as impact resistance, printability, RF sealability, free shrink, opt...

The temperatue at which propylene-copolymers produced by metallocene catalyst form a full strength heat seal is found to be lower than correspondingly similar melting point copolymers produced by conventional Ziegler-Natta catalyzed copolymers. At similar melting points, films made from metallocene catalyzed copolymers were also found to exhibit higher tensile modulus values relative to films from...

The present invention relates to a reproduction recording device, and to a method to recognize a focusing state. The present invention object is to provide a method of this kind and a recording or reproducing device, with the easiness of producing significant astigmatism in reflected light beam (15) simply at an efficient cost without elaborated alignment. This object is achieved by using a birefr...

A self supporting film having one or more layers wherein at least one layer has a percent haze of less than 17.8 and the polymer of that layer consists essentially of a polyethylene having a density of at least 0.925 grams per cc, a molecular weight distribution of no more than 4, optionally containing a fluoroelastomer, and methods for making such film are disclosed.; Se describe una película de ...

An instrument system for monitoring corona and like conditions of electrical equipment such as generators includes an optical probe (20) which receives light from a plurality of different areas in the equipment and separately conveys the light acquired from each area to a position-sensitive photoelectric converter (24). The probe includes optical fibers (22) with terminal ends disposed in spaced h...

The present invention describes how thin resistance threads (8) are placed to form a curve, upon a thermoplastic film (1, 2), to manufacture a glazing for automobile, which can be electrically heated. Thermoplastic sheet (1, 2) is maintained by depression upon a cylindrical drum (11) surface comprising a drilled wall. Drum (11) is rotated , and thread (8) is placed, and film is fixed with the help...

The present invention describes how in a high voltage transformer for a television receptor instance, it is known to place upon a coil former, a plurality of auxiliary primary windings, upon last one a bushing to form a flat base for primary winding which is thereupon, and upon primary winding, high voltage winding in form of a chamber-type winding. Primary winding is wound with multiple braided w...

An energy saving method of operating a washing such that the amount of water added to the washer basket is proportionate to the weight of the articles to be washed includes the steps of determining a normalized inertia of the washer basket loaded with articles to be cleaned; determining an estimated weight of the load of articles to be washed based upon the normalized inertia value; and controllin...

The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction and other applications, which hardenable mixtures demonstrate significant levels of acid and sulfate resistance while maintaining acceptable compressive strength properties. The acid and sulfate hardenable mixtures of the invention containing fly ash comprise cement...