A method and apparatus for winding a continuously advancing yarn at a constant winding speed to form a cross-wound package on a driven tube. During thread-up of the yarn onto the tube, the yarn is caught outside of the winding range in a catching device rotating at the rotational speed of the tube, and initial layers of the yarn are then wound on the tube. The yarn is guided by a movable yarn guid...

An apparatus and method for guiding and cutting a continuously advancing yarn during a package doff in a yarn winding apparatus wherein the advancing yarn is wound on a driven bobbin tube. In this process, the yarn is guided by means of a movable yarn guide along a direction substantially parallel to the axis of the tube. Downstream of the yarn guide, a suction device is arranged, which includes a...

Procedimiento de atrapamiento de ácidos mediante desarrollo dé un sistema gelificado de base silícica. Tiene por objetivo conseguir gelificar diferentes ácidos que se presenten en forma líquida o que estén disueltos en sustancias líquidas polares y químicamente inertes, generalmente agua, mediante tratamiento, en una primera fase del proceso, con silicato sódico en disolución. La segunda fase del ...

A method and device for recovering linear polyesters, such as PET and PBT, from polyester waste of the most varied form, in a continuous manner, in which undried or not dried-through waste is melted, the polymer chains being hydrolytically degraded by adhering moisture, and in which diol, corresponding to the basic constitutional unit of the polymer, is added to the melt resulting in glycolytic de...

A process is disclosed for preparing an open-celled rigid polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of a blowing agent, a cell opening agent and exfoliating graphite, wherein the thermal conductivity of the foam is from 28 to 35 mw/mk. Such foams are applicable in the construction industry where it is desired to have a foam having flame retardation prope...

The invention relates to a carry-all bag that is joined to a flexible laminar material having at least one projecting part (1) that can be used to attach said bag around a human extremity. Preferably, the bag is provided with two projecting parts (1) with fasteners (3) that can be used to connect said projecting parts. The bag can be provided with accessories, such as a compass, distance counter...

The present invention provides a polyvinyl alcohol powder which comprises a pore having an average diameter of 0.1 to 10 mu m in the range of 0.05 to 0.4 cc/g. Since the PVA powder of the present invention has an excellent solubility in water, an aqueous solution thereof can easily be prepared industrially. Since the PVA powder of the present invention has a low content of an organic volatile comp...

The invention relates to a process for the preparation of crosslinkable dispersion powders which are redispersible in water and contain isocyanate groups by free-radical emulsion polymerization of one or more ethylenically unsaturated monomers in the presence of 0.2 to 6% by weight, based on the total weight of the monomers, of one or more compounds from the group consisting of meta- and para-isop...

Process for coating and protecting elastomers, particularly EP(D)M elastomeric polymers, by the application of a coating to the above elastomers, consisting of at least one layer of protective material (material A), optionally reinforced with one or more layers of reinforcing material (material B), characterized in that: material A essentially consists of an expanded material selected from (i) bra...

The density of rigid foamed articles made by the thermal decomposition of a blowing agent in a vinyl chloride polymer is reduced by the use of an organotin mercaptoalkylcarboxylate, alone, or in combination with an organotin halide or carboxylate which activate the blowing agent. Sulfides made from said organotin mercaptoalkylcarboxylate are also superior activators of the blowing agent.

LA INVENCION SE REFIERE A UN SISTEMA DE IDENTIFICACION DE GANADO DE MATADERO, QUE COMPRENDE UN LECTOR DE CODIGO ELECTRONICO Y UN SOPORTE DE CODIGO ELECTRONICO (3). EL SOPORTE DE CODIGO (3) ESTA DISEÑADO PARA SU IMPLANTACION EN EL CUERPO DEL ANIMAL. LA SUPERFICIE DE LA UNIDAD DE SOPORTE DE CODIGO (3) VA CUBIERTA AL MENOS PARCIALMENTE CON UNA CAPA (8) QUE FORMA CORTES INFERIORES Y/O COSTURAS ABIERTA...

A method of manufacturing a semiconductor memory device, which includes: a step of laminating and flattening a first interlayer insulating film on a semiconductor substrate provided with a semiconductor element having a diffusion region and then forming a contact hole in the first interlayer insulating film on the semiconductor element, a step of forming a contact plug by burying a contact plug ma...

A piezoelectric element has a very small size, has a high coefficient of electromechanical coupling, and can easily be impedance-matched to a circuit. An interdigital electrode, including two comb-shaped electrodes, is provided on one surface of a plate-like piezoelectric member, and similarly, an interdigital electrode, including two comb-shaped electrodes, is provided on another surface of the p...

A process for forming a microgel comprising: reacting a mono-olefinic monomer and initiator optionally in the presence of a catalyst to provide living radical polymerisation of the mono-olefinic monomer to form a living prepolymer wherein molecular weight of the living prepolymer is at least 1,000 to 25,000; and reacting the living prepolymer with a monomer component including multi-olefinic cross...

A set of a transparent electrode layer and a luminescent layer in which phosphor particles are dispersed are formed on a transparent resin film, and this set is formed layer by layer to create more than one luminescent layer. One or more luminescent layers are divided into multiple luminescent color regions. Or, the transparent electrode layer is electrically separated into two or more regions. Th...

A hybrid fiber reinforcing system that enhances ductility of concrete at small and large crack openings, while avoiding the necessity of using steel fibers at high (e.g., 1%) volumes, by taking into account Young's modulus, deploying large surface area to volume ratios for improved anchorage, and using different relative lengths.

A ecthod of manufacturing a molded product of a synthetic resin, characterized by comprising the steps of forming a container and a panel type surface layer member by subjecting a synthetic resin sheet to two-slage thermoforming; and forming an outer shell reinforcing layer on a rear surface of the surface layer member by subjecting a glass fiber-reinforced or non-glass-fiber-reinforced ABS resin ...

In a system for communicating an image, an image compression scheme is employed to encode the image to reduce the required bandwidth for transmitting same. For example, this compression scheme includes performing, on the image, a discrete cosine transform (DCT), followed by quantization. To reduce the effects of coding artifacts occasioned by the compression scheme, in accordance with the inventio...

A method and system of communicating with a computer through a network prior to booting the computer's operating system or after operating system failure is provided. A multitasking is implemented in a network enhanced BIOS. A workstation coupled to the computer through a network may be used to access and set status on the computer prior to loading the operating system or after operating system fa...

An apparatus for integer exception register (XER) renaming and methods of using the same are implemented. In a central processing unit (CPU) having a pipelined architecture, integer instructions that use or update the XER may be executed out-of-order using the XER renaming mechanism. Any instruction that updates the XER has an associated instruction identifier (IID) stored in a register. Subsequen...