This invention concerns an industrial procedure for the application of a polytetrafluoroethylene film on aluminium surfaces by means of mechanical-chemical bonding using a specific compound which, on one hand can adhere to a smooth aluminium surface and, on the other, being suitable for producing mechanical-chemical bonding with the P.T.F.E.

The apparatus of the present invention significantly improves the optical intensity induced damage limit of optical quality crystals, and in particular crystals used in the conversion of laser radiation at a specific wavelength to another wavelength or other wavelengths through non-linear interaction of the input laser radiation with the optical crystal medium. In accordance with the present inven...

Sediments are treated to give a material which can be deposited on a waste dump in a long term environmentally tolerated manner, or an environmentally tolerated building material, in particular for waterproofing coatings, the contaminated sediments from water to be conditioned being dewatered to a water content of at most about 140% relative to their dry weight; the sediments from water dewatered ...

Sediments are treated to give a material which can be deposited on a waste dump in a long term environmentally tolerated manner, or an environmentally tolerated building material, in particular for waterproofing coatings, the contaminated sediments from water to be conditioned being dewatered to a water content of at most about 140% relative to their dry weight; the sediments from water dewatered ...

Heterocyclic N-substituted derivatives of formula (I) and their salts are new. R1, R2 = H, 1-6C alkyl, 1-4C alkoxy, NH2, NH2CH2-, COOH, (1-4C alkoxy)carbonyl, CN, tetrazolyl, methyltetrazolyl, methylsulphonylamino, trifluoromethyl sulphonylamino(methyl), N-cyanoacetamide, N-hydroxy- acetamide, N-((4-carboxy)-1, 3-thiazol-2-yl) acetamido, ureido, 2-cyanoguanidinocarbonyl, 2-cyano-guanidino-methyl, ...

Heterocyclic N-substituted derivatives of formula (I) and their salts are new. R1, R2 = H, 1-6C alkyl, 1-4C alkoxy, NH2, NH2CH2-, COOH, (1-4C alkoxy)carbonyl, CN, tetrazolyl, methyltetrazolyl, methylsulphonylamino, trifluoromethyl sulphonylamino(methyl), N-cyanoacetamide, N-hydroxy- acetamide, N-((4-carboxy)-1, 3-thiazol-2-yl) acetamido, ureido, 2-cyanoguanidinocarbonyl, 2-cyano-guanidino-methyl, ...

The present invention relates to novel methods and compositions related to polymer concrete comprising conventional resins with novel additives to prevent shrinking and cracking of the resin, to accelerate curing and to treat fillers. These compositions and methods can be employed to form large objects and objects of irregular shapes. These compositions and method provide lightweight materials som...

Wear-resistant edge layer for titanium and its alloys which can be subjected to high loads and has a low coefficient of friction. The wear-resistant edge layer includes a hard amorphous carbon layer, an intermediate layer, and a laser gas alloyed layer. The wear-resistant edge layer may include a 200 to 400 nm thick hard amorphous carbon layer, a 50 to 200 nm thick intermediate layer, and a 0.3 to...

A micro flow system is provided for separating particles, comprising a microfabricated member having a flow channel (5) defined therein for guiding a flow of a fluid containing the particles through the flow channel, first inlet means (2) positioned at one end of the flow channel for entering the fluid into the flow channel, first outlet means (7) positioned at the other end of the flow channel fo...

The invention concerns a chip card in which an aerial element (13) interacts with an induction increasing element (14) to enhance the magnetic flux density of the aerial element (13) for information transmission.

The invention concerns a method for making electronic modules for memory cards capable of exchanging data, without electric contact, with a reading device, said cards comprising, each, an antenna for being coupled with said reading device. Said method comprises the following steps: a) at least one first screen printing which consists in producing, on a sheet of insulating substrate, a plurality of...

Disclosed is a transport and tourist traffic management system, whereby the best itinerary between the point of departure and the point of arrival with respect to certain aspects to be determined in advance is identified and made available using a computer, based on stored general information related to communication network nodes. In order to achieve this, the invention suggests that certain data...

Disclosed is a process for the formation of an automobile interior equipment, which comprises fully shooting a mold having the inner wall thereof coated with a heat insulating resin layer on the cavity side thereof with a polyolefin resin composition containing a foaming agent, and then forcing the mold to be opened so that the expansion coefficient reaches not less than 1.4.

The invention relates to continuous gas fluidised bed polymerisation of olefins, especially ethylene, propylene, or mixtures of these with other alpha olefins, wherein the monomer-containing recycle gas employed to fluidise the bed is cooled to condense out at least some liquid hydrocarbon. The condensed liquid, which can be a monomer or an inert liquid, is separated from the recycle gas and is in...

The present invention relates to a nonoriented electrical steel sheet coated on both surfaces with a cured insulative coating for providing a high level of surface resistivity to minimize interlaminar power losses. The cured insulative coating on the steel sheet includes, based upon 100 parts by dry weight, 20-60 parts of aluminum phosphate, 20-70 parts of at least one inorganic particulate silica...

The multilayer ceramic substrate includes an insulator substrate (12) consisting of, for example, ceramics. On a portion of one main surface of the insulator substrate, for example, circuit elements such as a capacitor, resistor and so on are formed. Moreover, at least on the other portion of the main surface, an insulator spacer (18) is formed. The insulator spacer forms a generally smooth surfac...

This invention deals with an improved adhesive additive, adhesion compositions, articles, and structures manufactured utilizing such adhesive compositions. More specifically, this invention deals with an adhesive additive which is a combination of cement, water, calcium chloride and a curable polymeric latex which when used to bond cementitous substrates, gives bonds with enhanced tensile strength...

A formed artificial stone (1) having integrally on a flat surface portion of a substrate (2) thereof projecting portions (3) for forming graphics or patterns or embedded groove portions (4) and mainly formed as a main composition from mineral aggregates and resin, characterized in that at least a part of the projecting portion (3) or the embedded groove portion (4) is a luminous or fluorescent il...

Acrylic plastisol composition comprising a plasticiser component, a plasticiser compatible acrylic polymer powder component of primary particle size >=0.4 mum and preferably not more than 30 mum, and Tg >=65° C., and a plasticiser incompatible polymer powder component, where both polymers are preformed, are present in the weight ratio 95:5 to 40:60, and in combination are compatibly formulated wit...

A reinforced tire component (2), defined by a strip (3) having a first longitudinal axis (6) and a reinforcing structure (4) defined by a number of cord portions (5) forming a first angle (A) with the first axis (6), is formed by winding at least one cord (26) about a core (35) in a first spiral (37) to form a tubular body (38) having a second longitudinal axis (10); the first spiral (37) having f...