Questa invenzione comprende una cera, un elemento premente la cera disposto in modo opposto alla cera il quale intrappola il filato tra la cera e l'elemento premente la cera e mezzi di applicazione della pressione che premono la summenzionata cera sull'elemento così premente summenzionato tramite pressione di un fluido. Inoltre, così come è prevista la disposizione di detta apparecchiatura di cera...

A method and a device designed to apply coatings, heat being used to weld or melt material layers which overlap each other. According to the invention infrared lamps (23) are used as the heat source and at least two blowers (11, 16) are used to meet the large cooling requirements and are disposed in the ends (4 and 5 respectively) of a longitudinal house (2) (one blower in each end) and designed t...

Linear copolyesters containing a plurality of repeat units derived from difunctional compounds containing oxysulphonyl groups and a plurality of repeat units of the general formula: in which: - R1, R2, R3 and R4, which are identical or different, denote alkyl, cycloalkyl or arylalkyl radicals, - A is a divalent hydrocarbon radical bonded to the vicinal silicon atom by a carbon-silicon b...

Improved asbestos-free fiber reinforced material for use in the manufacture of gaskets, and the like, comprises (a) an elastomeric binder material and (b) a blend of fibrillated, organic, synthetic polymer, organic synthetic polymer staple and organic synthetic, soluble polymer particles so as to enhance the strength of the gaskets, shock mountings, timing belts, sealants, and the like, made from ...

This invention relates to an apparatus for grinding a semiconductor wafer (W) which includes a table (2) having a work stage (10) on which a semiconductor wafer to be ground is placed, at least the work stage being rotated, and a grinding wheel (3) which is moved in a direction perpendicular to or parallel to the work stage while being rotated about an axis parallel to a rotational axis of the wor...

Stable aqueous acrylic resin dispersions are made from a dispersion in water of the reaction product of a carboxylic acid-containing acrylic resin and a diglycidyl ether of a polyoxyalkylene glycol.

At least the surface region of a cutting tool substrate made of tungsten carbide in a cobalt matrix is carburized to chemically passivate the cobalt prior to deposition of diamond film on it. The passivation improves adhesion by preventing reaction of the cobalt with the diamond in the course of the deposition process. $$

An electronic surveillance system marker comprises an active component responsive to incident magnetic energy for causing an associated article surveillance system to render an output alarm and deactivatable, through change in the molecular organization of the active component, without requirement for disruption of the unitary character of the component or change in its chemical composition. The m...

A method of controlling fungal or bacterial growth in a synthetic metalworkig fluid comprising the addition to said fluid of (a1) 5-chloro-2-methyl-4-isothiazolin-3-one and (a2) 2-methyl-4-isothiazolin-3-one and (b) an ionene polymer wherein the ratio by weight of the sum of components (a1) and (a2) to component (b) is form 1:99 to 99:1 and wherein the amounts of the components are synergisti...

A fluid container comprising a flexible bag (1) containing a diluent and having a closing film at its upper end, a capsule (2) connected to the flexible bag, a drug container (3) held in the capsule and a communicating means (16) communicating the flexible bag with the drug container. The communicating means has a double-edged hollow needle (7) having a hub in the midway thereof, and a controlling...

This invention relates to an identification method and an identification apparatus for identifying an object that enters a certain zone, comprising transmitter means (1, 7, ANT) for generating a first electromagnetic field with a predetermined frequency in the zone, and measurement means (ANT, AMP, 2, 3, 6, 7) for measuring the first field in said zone. For accomplishing an apparatus reliable and ...

The invention relates to a modelling clay composition which contains, as dry substance components, flour, most expediently wheat flour, salt, most expediently cooking salt (NaCl), oil, most expediently cooking oil, and, if required, dyes. The dry matter component contains the alkali metal salt of fruit acid in order to increase the mouldability of the modelling clay composition.

Agent for grinding coarse lime to be refined by grinding in an aqueous medium to a microparticulate size, consisting of water-soluble ethylenic polymer and/or copolymer, characterised in that, in order to increase the reactivity of the lime, the said agent consists of at least one acidic polymer and/or copolymer: a) made of at least one monocarboxylic ethylenic monomer, b) selected in the average...

Una miscela di aerazione adatta in particolare per essere usata con le composizioni cementizie che comprende cenerino con alti livelli di carbone residuale (perdita all'accensione oltre il 5%), che comprende un agente attivo di superficie a base di acido grasso; ed un agente attivo di superficie non ionico, l'agente attivo di superficie a base di acido grasso (a) essendo scelto dagli acidi C12 - 2...

The present invention relates, generally, to a self-supporting porous (1) ceramic composite body and to methods for producing such articles to net or near net shape, which bodies exhibit superior thermal and mechanical properties. The invention also relates to the manufacture of ceramic-metal composite bodies which have ceramic articles incorporated therein. The method for producing this thermal s...

A metal fastener, suitable for use in wood construction and coated with a polymeric residue produced by removing water from an aqueous dispersion of a film-forming, thermoplastic, predominately aliphatic polyurethane resin, thereby to reduce penetration force, increase withdrawal force, and protect against corrosion. Before the polyurethane coating is applied, a zinc layer is applied so as to coat...

Concrete or reinforced-concrete basins for storing, treating or channelling hazardous liquids or drainage water containing such liquids are usually coated on the inside with a composition which is sealed and resistant with respect to said liquids. This very expensive coating is replaced according to the invention by a special concrete, which, for its part, is already resistant with respect to such...

An anti-sedimentation additive for conglomerates obtained by the combination of Mg with an adjunct of dispersant effect, the additive being a Mg salt of a condensation product between beta -naphthalene sulphonic acid and formaldehyde, sulphonated melamine and formaldehyde or a combination between Mg and lignosulphonate.

Method for the recovery of metal and/or plastic from an opt. fragmented mixed material comprises heating to melt the plastic, then subjecting the melt to centrifugal force to enrich the metal and plastic content, and then treating the opt. solidified enriched melt to recover the metal and/or plastic. The appts. for carrying out the method is also claimed.

A compound represented by formula (I): wherein R<1> represents -CO-Z<1>-N(Z<1><1>)-CO-Z<2>-H or -CO-Z<3>-H, wherein Z<1>, Z<2>, and Z<3> each represent an alkylene group having from 1 to 20 carbon atoms, a phenylene group, or a combination thereof, and Z<1><1> represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms which may be substituted with a phenyl group, a phenyl g...