Abstract: The invention relates to a method for the production of a web composed essentially of a granulate and a polymer. In order for the web to have good suction against the substrate after it has been laid on a floor, the interstices between the granulate particles are not allowed to be filled with the polymer. According to the invention, this is brought about in that the polymer is applied to the top side of the granulate. After the polymer melts, the polymer seeps down through the granulate. By means of targeted control or regulation, this sinking process is influenced before the polymer reaches the underside of the web. The invention also comprises a sensor and the product as such.

Abstract: The invention relates to a method for the production of a web composed essentially of a granulate and a polymer. In order for the web to have good suction against the substrate after it has been laid on a floor, the interstices between the granulate particles are not allowed to be filled with the polymer. According to the invention, this is brought about in that the polymer is applied to the top side of the granulate. After the polymer melts, the polymer seeps down through the granulate. By means of targeted control or regulation, this sinking process is influenced before the polymer reaches the underside of the web. The invention also comprises a sensor and the product as such.

Abstract: In the case of a floor covering that consists of at least one layer of a thermoplastic material, sections of the surface of the floor covering are composed of stone tiles or a natural material, according to the invention, whereby these sections are disposed spaced apart from one another, in each instance, or to lie against one another, in each instance. By means of the effect of heat during production of the floor covering, the stone tiles or the natural material become integral with the thermoplastic material and are wetted from the underside by the thermoplastic material.

Abstract: A process for desulfurizing molten iron using a fine-grain agent consisting essentially of industrial calcium carbide, a dried coal, the coal containing at least 15% by weight of volatile components, and fine-grained magnesium and which agent is injected in fluidized form into an iron melt by means of a gas, comprising separately storing fine-grained magnesium and a calcium carbide/coal mixture, separately fluidizing the fine-grained magnesium and calcium carbide/coal mixture, combining the fluidized fine-grained magnesium and calcium carbide/coal mixture in a conveying line or lance and injecting the resultant combined fluidized mixture into an iron melt.

Abstract: A fine-grained agent for desulfurizing molten iron comprising industrial calcium carbide, dried coal which contains at least 15% by weight of volatile constituents and which, immediately after being passed into the molten iron, releases at least 80 standard liters of gas per kg of coal, and optionally contains fine-grained magnesium. The coals used are lignites, flame coal, gas-flame coal, gas coal or coking coal. The agent is prepared by addition of the dried coal to the calcium carbide, if appropriate, pre-crushed, and common comminuted to a grain size of 90% <200 .mu.m. The fine-grained magnesium is present in the agent either in uniform distribution, or it is stored and fluidized separately from the carbide/coal mixture and added to the carbide/coal mixture in the transport line or in the lance, if appropriate, with variation during injection.

Abstract: The invention relates to a process for desulphurizing hot metal in a ladle, in particular in a torpedo ladle, wherein first aluminum and then, by means of a carrier gas, lime (CaO) are blown into the hot metal. The characterizing feature of the invention is that at a rate of 2-20 liters (S.T.P.) of carrier gas/kg of desulphurizing agent, a solid which evolves a gas in the hot metal is blown in together with the lime.

Abstract: Cooling element for a metallurgical furnace having steel tubes for conveying a cooling medium and a refractory lining which is anchored to the front surface of the cast iron body on the furnace side thereof in recesses which run parallel to the wide side of the cooling element. The recesses have a cross-section which widens out starting from the front surface of the cast iron body towards the inside of the cooling element and the refractory lining is inserted into the recess.

Abstract: A cooling element for a metallurgical or blast furnace having steel tubes integrally cast into a cast iron body to convey a cooling medium. The steel tubes are provided with an additional metallic layer which is composed of Ni, Co, Mn, Ag either individually or as a combination of one or more thereof and a metallic oxide layer composed of one or more metallic oxides provided on the metallic layer. The metallic oxide layer has a free oxide standard enthalpy of formation of less than -145kcal with normal pressure conditions and a temperature of 600.degree. C.