Abstract: An induction heating device having two superimposed conductors is provided, comprising a first conductor having a first electrically conducting pattern; a second conductor having a second electrically conducting pattern; wherein the first electrically conducting pattern and the second electrically conducting pattern are: i) connected to an alternating current in use; ii) superimposed thereby resulting in at least one section where the first electrically conducting pattern overlaps the second electrically conducting pattern; and iii) separated by at least a space arranged for accommodating material with an electrically conducting layer, wherein when the alternating current is supplied, the alternating current in the first electrically conducting pattern in a specific section has the same direction as the alternating current of the second electrically conducting pattern in said section.

Abstract: An induction sealing device for heat sealing packaging material for producing sealed packages of pourable food products, comprising: at least one first inductor which comprises, in turn, a first active surface adapted to be arranged on the side of packaging material and to heat-seal it; and a member made of plastic material; first active surface is covered by the member made of plastic material adapted to cooperate with the packaging material during its heat-sealing.

Abstract: An induction sealing device for heat sealing packaging material for producing sealed packages of pourable food products, comprising: at least one first inductor which comprises, in turn, a first active surface adapted to be arranged on the side of packaging material and to heat-seal it; and a member made of plastic material; first active surface is covered by the member made of plastic material adapted to cooperate with the packaging material during its heat-sealing.

Abstract: The present invention discloses a coated cutting tool insert particularly useful for dry and wet machining, preferably milling, in low and medium alloyed steels, stainless steels, with or without raw surface zones. The insert is characterized by a WC-TaC-NbC-Co cemented carbide with a W alloyed Co-binder phase and a coating including an innermost layer of TiCxNyOz with columnar grains and a top layer at least on the rake face of a smooth ?-Al2O3.

Abstract: A method for the relative flow control of a data flow, and a switch in which the method may be applied, are described. A buffer unit that reaches a certain degree of fullness sends a message to all units from which it receives data that it cannot receive any more data or that it can only receive at a reduced rate. The message is forwarded by each unit that receives it, to each unit from which it receives data and comprises a level indicator field, which is incremented for each unit it passes. For each unit passed a field is also added, identifying the unit from which it was received. Each unit is denoted by its number among all units receiving packets from the level above it. The message may be valid either for a certain period of time or until a new message is transmitted indicating that the problems have ceased.

Abstract: A metal cutting tool includes a holder arrangement, an indexible cutting insert seated on an insert-receiving site of the holder arrangement, and a screw for fastening the insert to the site. The bottom side of the insert includes more than two upright abutment surfaces arranged to abut respective upright support surfaces of the site, whereby the areas of contact formed by the mutually abutting surfaces lie inside of an outer perimeter of the insert. The abutment surfaces are oriented non-parallel to one another. The screw is arranged to urge the insert in a direction whereby less than all of the abutment surfaces abut respective support surfaces, and at least one abutment surface does not abut a support surface. When the insert is indexed, the non-abutting abutment surface is relocated and caused to abut a support surface when the screw is tightened, while an abutment surface that previously abutted a support surface becomes a non-abutting surface.

Abstract: A metal cutting tool includes a holder arrangement, an indexible cutting insert seated on an insert-receiving site of the holder arrangement, and a screw for fastening the insert to the site. The bottom side of the insert includes more than two upright abutment surfaces arranged to abut respective upright support surfaces of the site, whereby the areas of contact formed by the mutually abutting surfaces lie inside of an outer perimeter of the insert. The abutment surfaces are oriented non-parallel to one another. The screw is arranged to urge the insert in a direction whereby less than all of the abutment surfaces abut respective support surfaces, and at least one abutment surface does not abut a support surface. When the insert is indexed, the non-abutting abutment surface is relocated and caused to abut a support surface when the screw is tightened, while an abutment surface that previously abutted a support surface becomes a non-abutting surface.

Abstract: A cutting insert for the chipforming machining of metals is mounted on a holder. A holding surface of the holder includes at least one rib extending in the longitudinal direction of the holder. The bottom surface of the insert includes at least one groove which receives the rib of the holder. The flanks of the rib and groove are inclined, whereby the insert is supported by those flanks. The bottom side of the insert further includes a transverse surfaces extending perpendicular to the groove and which are adapted to engage corresponding transverse surfaces of the holding surface, in order to resist longitudinal forces applied to the cutting insert.

Abstract: A cutting insert for the chipforming machining of metals is mounted on a holder. A holding surface of the holder includes at least one rib extending in the longitudinal direction of the holder. The bottom surface of the insert includes at least one groove which receives the rib of the holder. The flanks of the rib and groove are inclined, whereby the insert is supported by those flanks. The bottom side of the insert further includes a transverse surfaces extending perpendicular to the groove and which are adapted to engage corresponding transverse surfaces of the holding surface, in order to resist longitudinal forces applied to the cutting insert.

Abstract: Silica particles which are substantially spherical, have a particle size of 1 to 100 .mu.m, a very narrow pore size distribution and a low alkali metal content. The particles can be prepared by sol-gel technique using emulsification technique for drop formation. The process comprises a sol growth step in a basic environment based on ammonium or amines and a post-treatment in such an environment. The silica particles are particularly suitable for use in chromatography as they have very good particle and porosity properties and high purity.

Abstract: In the production of paper or pulp sheets from a paper stock, a binder is added which comprises cationic and anionic components to improve the paper characteristics and the stock characteristics, such that increased retention and a more readily dewatered stock are obtained.The anionic component consists of colloidal anionic particles having at least one surface layer of aluminum silicate or aluminum-modified silicic acid, such that the surface groups of the particles contain silicium and aluminum atoms in a ratio of from 9.5:0.5 to 7.5:2.5.The cationic component consists of cationic carbohydrate having a degree of substitution of 0.01-1.0.

Abstract: The invention relates to a composition for forming a heat-insulating ceramic coating on a metal, said composition comprising, in % by weight:10-50% of potassium silicate10-50% of silica5-40% of inorganic filler1-25% of ceramic fibres2-40% of water2-20% of hollow microparticles0-5% of surface active agent.The invention also relates to a method for preparing a composition having the above-mentioned components.Furthermore, the invention relates to the use of the composition comprising the above-mentioned components, for application to internal combustion engine exhaust pipes.Finally, the invention relates to internal combustion engine exhaust pipes coated with layers of the above-mentioned composition.

Abstract: A soil-repellent coating composition comprising silica, polyvinyl alcohol and a wetting agent in an aqueous carrier medium. The composition is characterized in that it, in addition to the aqueous carrier medium, contains 0.5-30% by weight of silica and 0.01-6% by weight of polyvinyl alcohol, and 0.05-2.5% by weight of a wetting agent, based on the total weight of the composition. The ready-made coating composition comprises 0.05-5% by weight of silica, 0.05-0.5% by weight of polyvinyl alcohol and 0.05-0.5% by weight of the wetting agent. The silica is present in the form of an alkali stabilized, preferably ammonium stabilized silica sol with an average particle size of 4-30 nm. The polyvinyl alcohol preferably has a hydrolysis degree of 85-100% and an average molecular weight of 15,000-100,000. The weight ratio of silica to polyvinyl alcohol is above 3:1 and preferably from 5:1 to 40:1. The wetting agent preferably is nonionic.

Abstract: A method of coating which involves applying to a surface a dispersion containing a main bonding agent and a temporary bonding agent. The main bonding agent is not film forming at room temperature. Next the continuous phase of the dispersion is permitted to evaporate or is driven off, followed by precipitation of the main bonding agent and the temporary bonding agent to form a porous powder layer on the surface. The temporary bonding agent bonds the main bonding agent to the surface. The porous layer is then exposed to a solvent which causes the particles of the bonding agents to flow together, and any excess solvent is removed.

Abstract: Composition and sheet-formed fibre products from fibrous material and bonding agent containing certain emulsion polymerized polymers of hydrophobic monomer being styrene, or 2-ethylhexyl acrylate or butyl acrylate or mixtures; hydrophilic monomer being acrylamide, or methacrylamide or acrylonitrile, or 2-hydroxyethyl methacrylate, or vinylpyrrolidone or mixtures, and a cation-active charged monomer.