Abstract: A process for machining a blank from all directions with a machine tool, such as a milling machine, involves the machining from all directions being based on a three-dimensional template. In a first step, the three-dimensional form and, if need be, also the surface finish of the three-dimensional template may be automatically measured, and the associated data may be saved. In a second step, a blank may be held by at least one clamping adapter and a first region is brought into its final, ready to use partial form by the machine tool or the milling machine using said data for numerical control. In a third step, the partially machined blank may be held by at least one clamping adapter in the first, finally machined region and the remaining region may be brought into its final, ready to use overall form by the same machine tool or milling machine.

Abstract: Wood preservatives contain a copper compound, an alkanolamine, a triazole, an emulsifier and/or a phosphonium compound and are used for impregnating wood.

Abstract: Sealing system is disclosed for the roof frame of a motor vehicle having at least one moveable, frameless window. The sealing system has at least one sealing profile section with a profile strip which is reinforced by a reinforcement and is formed of at least one elastomer. The profile strip cooperates with the window in a sealing manner. The reinforcement is provided with the profile strip as a pre-fabricated synthetic material injection molded part in a forming tool at least on one part of its surface. The reinforcement has a substantially U-shaped cross section with a base and limbs extending from the base. The sealing system is formed in a three-dimensional manner and can be fixed to connection parts of the roof frame with attachment elements. The reinforcement and the profile strip are partitioned longitudinally in the region of the base.

Abstract: Wood preservatives contain a copper compound, an alkanolamine, a triazole, an emulsifier and/or a phosphonium compound and are used for impregnating wood.

Abstract: A sealing system is disclosed having at least one sealing profiled section for the roof frame of the vehicle. The sealing profiled section is formed by a profile strip of at least one elastomer and by a reinforcement. The reinforcement is formed as prefabricated injection-molded plastics material part and, in a molding tool, is provided with the profile strip on at least a part of its external surface. The reinforcement has a substantially U-shaped cross-section over its entire length. The sealing system is three-dimensional and can be fixed to connecting pieces of the roof frame of the vehicle by fastening members. An end cap is formed on at least one end face of each sealing profiled section in the molding tool.

Abstract: A vehicle seal (1) comprises an elastic molded sealing member (19) with holes through which clips (16) on a fastening rail (11) made of plastics material extend into anchoring holes in a vehicle body. The molded sealing member (19) is made in a molding tool (2) by being injected on to and vulcanized to the fastening rail (11) which is laid within the molding tool. The molding tool (2) is divided and includes a molding recess (8) in which the fastening rail (11) is laid. On one mold part (6), for each clip (16), there is provided a cap (9) which sealingly encircles the clip (16) and which extends into the molding recess (8) when the molding tool (2) is closed. Each cap (9), when the molding tool (2) is closed has its free edge (18) pressed into sealing contact with a base (12) of the fastening rail (11) which carries the clips (16). A coupling layer (15) is provided between the fastening rail (11) and the molded seal (19).

Abstract: A method of digital telecommunication via an electrical cable is provided, whereby the symbols of a data stream to be transmitted are supplied as a transmission signal to a transmission path, after undergoing a digital-to-analog conversion. The transmission signal is received and sampled at the end of the transmission path on a receiving side. To further process the received signal on the receiving side, a Viterbi decoder operating on the basis of a trellis diagram is used. The Viterbi decoder uses a number of feedback filters to determine branch or path metrics in the trellis diagram, where this number is a function of the number of states in the trellis diagram. To determine the branch metrics in the trellis diagram, separate first feedback filters (8) are only used up to a specifiable number of symbol intervals in the trellis diagram, or up to a specifiable length of feedback filters for all states in the trellis diagram.

Abstract: Wood preservatives contain a copper compound, an alkanolamine, a triazole, an emulsifier and/or a phosphonium compound and are used for impregnating wood.

Abstract: A safety switch (1) has a support (2) of an elastomer and a through-going cavity (3). Within the cavity (3) are arranged electrical conductors (4) and (5) which in a rest condition are arranged at a distance (9) from one another. The electrical conductors (4, 5) are each formed as a strip of carbon fibers and have one broad side (6) and (7) vulcanized to the support (2) either directly or by way of a coupling layer (8). Substantially perpendicular pressure (12, 13) on the safety switch (1) leads to the deformation of the support (2) and eventually to the contact of the electrical conductors (4, 5) with each other. By this means, safety functions are controlled.

Abstract: A compound profile (43) consists of a fastening section (33) of a thermoplastic plastics material as well as profile sections (30, 31) of elastomeric material, namely a profile section (30) of expanded rubber and a profile section (31) of soft rubber. All sections (30, 31, 33) are fixed to one another by co-extrusion and co-vulcanization. The plastics material fastening section (33) assumes the function of the conventional metallic reinforcement of the compound profile (43). The compound profile (43) can be three-dimensionally shaped in that it is heated up to the plasticization temperature of the fastening section (33), then is brought to the desired shape in a shaping tool, and in that shape is cooled until the fastening section (33) has again returned to its non-plastic state. One thus creates a profile part which is stable in shape.

Abstract: Wood preservatives contain a copper compound, an alkanolamine, a triazole, an emulsifier and/or a phosphonium compound and are used for impregnating wood.

Abstract: A compound profile of thermoplastic plastics material and elastomeric material. The thermoplastic plastics material and elastomeric material are chemically bonded by co-vulcanization. A coupling material can be used to promote the chemical bonding.

Abstract: Wood preservatives contain a copper salt, a polyamine and a fatty amine and are used for preserving wood from fungi and termites.

Abstract: Wood preservatives contain a copper salt, a polyamine and a fatty amine and are used for preserving wood from fungi and termites.

Abstract: A wood preservative which is based on a dimethylalkylamine and an acid and contains dimethylalkylamine, a water-soluble acid and a water-insoluble acid and/or 2-(methoxycarbonylamino)-benzimidazole is used for preserving wood.

Abstract: High-octane, low-olefin motor fuels and motor fuel components having a content of alkyl tert.-alkyl ethers can be produced by reacting a crude hydrocarbon stream, which contains tertiary C.sub.5 -C.sub.8 -olefins in addition to saturated and olefinically, diolefinically and acetylenically unsaturated hydrocarbons in the same boiling range, simultaneously with one or more C.sub.1 -C.sub.4 -alkanols in a quantity from 0.5 to 5 mol per mol of the tertiary olefin(s) and with excess hydrogen relative to the total unsaturation under a pressure from 12 to 80 bar and at a temperature from 60.degree. to 180.degree. C. on a catalyst known per se or a mixture of catalysts known per se, which effect(s) both the etherification and the olefin hydrogenation.

Abstract: Alkyl tert.-alkyl ethers can be cleaved into the underlying alkanols and tert.-olefins in the presence of strongly acidic substances in a column apparatus, the strongly acidic substance being made available at the foot of the column. A particularly advantageous process design results when a water stream is fed below the top column tray in countercurrent to the tert.-olefin flowing upwards and is taken off again from the column above the bottom circulation; in the case of using an insoluble, strongly acidic substance, the latter is located in a catalyst bed at the foot of the column, and the alkyl tert.-alkyl ether is preferably fed in between the catalyst bed and the bottom circulation evaporator.

Abstract: Gum-free fuel components containing alkyl tert.-alkyl ethers have been found which can be prepared by reacting a crude hydrocarbon mixture containing gum-forming constituents and containing one or more tert.-olefins, simultaneously with alkanols and H.sub.2 on a certain exchanger in the H.sup.+ form containing one or more metals of sub-group VI, VII or VIII of the periodic table of the element in element form, in the liquid phase at 30.degree. to 140.degree. C.

Abstract: Alkenes having a terminal double bond can be isomerized to give alkenes having an internal double bond if alkenes having a terminal double bond or hydrocarbon feedstock having a content of alkenes of this type having a terminal double bond are subjected to treatment, in the presence of hydrogen, over a macroporous or gel-like cation exchanger in the H.sup.+ form which contains 0.001 to 10 g of one or more metals of the VIth and/or VIIth and/or VIIIth sub-group of the periodic system of the elements in elementary form per liter of dry cation exchanger and which has a degree of crosslinking of 2 to 65% and a specific surface area of 5 to 750 m.sup.2 /g of dry exchange resin. The treatment is carried out in the liquid phase at a temperature from 0.degree. to 120.degree. C.

Abstract: Tert.-Amyl alcohol (TAA) can be prepared in an advantageous manner by hydrating of i-amylenes on an acid cation exchanger by carrying out the reaction in the vicinity of the boiling point of the i-amylenes under the appropriate reaction pressure. A higher content of TAA is thereby obtained in the reaction mixture.