Abstract: A lance and a method determine reaction data of the course of a reaction, in which a reaction gas is top-blown by at least one lance onto a metallic melt in a metallurgical vessel and measured data are determined in this way, reaction data for the course of the reaction are determined as a function of these, where the lance for determining measured data blows out a gas which is conveyed separately from the reaction gas through at least one outlet opening of at least one measuring conduit. The lance for determining measured data blows out the gas which is conveyed separately from the reaction gas laterally through at least one outlet opening of at least one measuring conduit and the internal pressure of at least one gas bubble of this gas formed at this outlet opening of the respective measuring conduit is measured.

Abstract: A locking device and a locking method are provided for a tool holder of a rotary drilling rig. The locking device includes a sleeve, a locking pin, a movement system, and a control system. The sleeve and the locking pin are configured such that the sleeve engages around the locking pin with a form fit, such that the locking pin can be rotated in the sleeve about the longitudinal axis of the locking pin. As a result, the locking pin can be displaced laterally parallel to the longitudinal axis. The movement system has at least one electric motor and at least one shaft, wherein the shaft effects relative rotation of the sleeve and the locking pin by the force of the electric motor.

Abstract: A lifting hoist (10) having a drive train (14) containing a slip clutch arrangement (23) with a hysteresis clutch (26). The drive train (14) transfers torque, friction-free, in both forward and backward directions of movement between the motor (15) and a gearing (16). The hysteresis clutch (23) forms an unbranched torque transmission path between the motor (15) and the gearing (16). The hysteresis clutch (26) acts as a vibration damper, allows controlled emergency load lowering, and acts as a secure torque limiter in emergency malfunctions when lowering a load. It further can be used as a load indicator by reducing the load-lifting speed before the nominal load is reached or in the event of an overload.

Abstract: A ventilation device for supplying air to a clean room having a passage duct (16) with a waste air inlet (13) for receiving waste air form the room and a supply air outlet (14) for discharging supply air (34) to the room. A speed controllable rotatable fan (49) is provided in the passage duct (16) for conveying air from a suction chamber (47) coupled to the waste air inlet (13) to a pressure chamber (48) coupled to the supply air outlet (14). An outside air duct (22) is provided for receiving outside air (27) which is emitted into the passage duct (16), and an exhaust air duct (28) is provided for receiving a part of the waste air (32) extracted from the room for exhaust to the outside. First and second air flow regulators (36, 37) are provided in the respective air ducts (22, 28), and a control unit (68) is provided for controlling operation of the air flow regulators (36, 37) and the rotational speed of the fan (49).

Abstract: The present invention relates to high strength cold rolled steel sheet suitable for applications in automobiles, construction materials and the like, specifically high strength steel sheet excellent in formability. In particular, the invention relates to cold rolled steel sheets having a tensile strength of at least 980 MPa and a method for producing such steel sheet.

Abstract: A housing (10) which has a first part (14) with a first wall (22) having an outer wall surface (28) and a second part (18) with a second wall (24) having an inner wall surface (30). The wall surfaces can have for example a cylindrical casing shape at least in some sections. Portions of the first wall (22) and the second wall (24) overlap in an overlap region (26). The first wall (22) and the second wall (24) are connected along the circumference of the wall surfaces (28, 30) by means of a rotational friction welding seam (32) arranged in the overlap region (26). The rotational friction welding seam (32) has a compact zone (48) with a first elastic modulus and a mixing zone (44) with a different second elastic modulus.

Abstract: A threadable heat transfer press includes an upper platen, a lower platen below the upper platen, a support head connected to one of the upper platen and the lower platen for moving the platens between an open position, when the platens are spaced away from one another, and a closed position, when the platens are pressed against each other. A vertical line extends from a geometric center of the lower platen and engaging the upper platen when the platens are in the closed position. The press further includes a support plate secured to the lower platen, a plurality of legs positioned below the lower platen, and a vertically extending support structure positioned between at least one of the plurality of legs and the support plate. The vertically extending support structure defines a throat spacing beneath the lower platen, which is spaced away from the geometric center of the lower platen.

Abstract: A B pillar of a motor vehicle with a base region and a head region; in the base region, there is a contact region with a connecting region for connecting the B pillar to a rocker panel; over the span of its height from a base edge to a B pillar head, the B pillar has hard and soft regions, wherein the B pillar has a soft region, which extends from a contact region of the B pillar with the rocker panel to the B pillar head and in this case, extends for at least 100 mm.

Abstract: A method for surface-treating a metallic substrate, in particular steel plate, using a protective coating on a Zn basis, according to which a chloride-containing solution is applied to the protective coating and as a result an anti-corrosion layer comprising hydrozincite and simonkolleite is formed at least in parts. To increase the corrosion resistance of the protective coating and to improve the process sequence and reproducibility of the method, the invention proposes reacting the protectively coated substrate with the solution which, using an acid, is adjusted to a pH of 4 to 6 and contains 1.8 to 18.5% by weight chloride, so as to increase the proportion of simonkolleite in relation to the proportion of hydrozincite in the anti-corrosion layer.

Abstract: A method for press-hardening steel in which a steel sheet composed of a hardenable steel alloy can either be preformed in a cold state, then transferred to a tool that has the contour of the preformed component and in it, after a preceding heating step that produces a complete austenitization, is cooled in this tool at a speed greater than the critical hardening speed so that a quench hardening of the preformed component is achieved, or a sheet blank composed of a steel with a composition that permits a press hardening is heated to a temperature above the austenitization temperature and is then hot-formed and at the same time, cooled at a speed that is greater than the critical hardening speed so that hardening is produced; and the hardening is produced in that the austenitic structure is converted into an essentially martensitic structure, possibly with a residual quantity of austenite.

Abstract: A coil and an electrical strip or electrical sheet with at least one heat-hardening hotmelt varnish, namely a baked enamel layer, provided on its flat sides, which has an epoxy resin base, at least one hardener, and at least one filler, are disclosed. In order to achieve a high storage stability and long-term temperature stability, the proposal is made for the filler of the baked enamel layer to have a metal carbonate, sulfate, sulfide, silicate, or phosphate or any mix of a plurality of these.

Abstract: A method for improving the adhesive capacity of a protectively coated steel sheet is proposed, in which, in a continuous process, a protective coating based on Zn—Al—Mg is applied to the steel sheet and, in a further step, the protective coating undergoes a surface treatment in which an aqueous composition is applied in order to modify the natural oxide layer, which contains Al2O3 and MgO, without pickling this natural oxide layer as a result. In order to significantly increase adhesive capacity of the protectively coated steel sheet, the invention proposes skin-pass rolling the protectively coated steel sheet and then reacting the natural oxide layer with an aqueous fluoride-containing composition, reducing its MgO content in order to thus modify the natural oxide layer.

Abstract: The invention relates to a holding apparatus (10) for a housing (11) and method for affixing the holding apparatus (10) and the housing (11) to an affixation surface, in particular an external building surface. The holding apparatus (10) has two holding parts (12) that each have a holding segment (25) that extends in a longitudinal direction (L). At least one of the two holding parts (12) additionally has a locking segment (43). Two attachment parts (46) and, for each locking segment (43), one locking part (47) are affixed to a rear wall (11b) of the housing (11). To mount the housing (11) on the holding apparatus (10), the two attachment parts (46) are firstly each brought into engagement with their respective holding segment (25). By displacing the housing (11) in the longitudinal direction (L), the locking part (47) enters into engagement with the locking segment (43). A continued movement of the housing (11) in the longitudinal direction (L) is at least delimited.

Abstract: A housing part for an explosion-protected housing (10) with flameproof encapsulation. The housing part comprises a porous body (20) in a passage (15) of the housing part. The passage (15) is closed in a flameproof manner by means of the porous body (20). The porous body (20) comprises an inner side (21) assigned to the interior of the housing (10) and an outer side (22) assigned to the surrounding area (12) comprising the explosive atmosphere. A gas volume flow can pass through the porous body (20), entering the porous body (20) on the inner side (21) and escape on the outer side (22) or vice versa. To prevent the penetration of water or of other aqueous liquids into the interior of the housing (10), the porous body (20) comprises a hydrophobic surface (B) in at least one area (31).

Abstract: A method and an apparatus for the non-contact support of a sensor and/or actuator device with respect to a substrate which reflects sound at least in regions has a moving suspension device, a sensor and/or actuator device which is mechanically connected to the suspension device, and a positioning device which is mechanically connected to the suspension device and which has at least one non-contact bearing for the non-contact support of the sensor and/or actuator device with respect to the substrate. The positioning device has at least one sonotrode for emitting an ultrasonic field which, between the sonotrode and the substrate, forms acoustic levitation waves for the non-contact support of the sensor and/or actuator device with respect to the substrate by a non-contact bearing which is designed as an ultrasonic bearing.

Abstract: A connecting device (27) has a first connection input (28), a second connection input (29), and a connection output (30). The two connection inputs (28, 29) are configured for connection to a bus coupling device (20, 21). The connection output is configured for connection to a subscriber (13). The first connection input (28) is connected without switches to the connection output (30) via a first connecting branch (31). The second connection input (29) is connected without switches to the connection output (30) via a second connecting branch (32). The connecting device (27) includes a diagnostic unit (39), which generates a diagnostic signal (D) depending on the first input voltage (U1) and/or the first input current (I1) at the first connection input (28) and/or on the second input voltage (U2) and/or the second input current (I2) at the second connection input (29).

Abstract: A seat-belt strap for a seat-belt system in a motor vehicle has a woven fabric consisting of warp threads and weft threads. The seat-belt strap is woven alternately with a 1/2 twill weave and a 2/1 twill weave across at least part of its width.

Abstract: The invention relates to a method for producing a central housing part (1) of a high-pressure slide gate valve from high-temperature steel, in the case of which two die-forged central-housing-part half-shells (1a, 1b) with forged-on connectors (4a, 4b) are welded to one another, using electron-beam welding without any welding filler material, by a butt weld seam (2), which runs in a plane (3) which runs transversely to the connectors (4a, 4b) and subdivides the central housing part (1).

Abstract: The invention relates to a method for the production and removal of a temporary protective layer for a cathodic coating, particularly for the production of a hardened steel component with an easily paintable surface, wherein a steel sheet made of a hardenable steel alloy is subjected to a preoxidation, wherein said preoxidation forms a FeO layer with a thickness of 100 nm to 1,000 nm and subsequently a melt dip coating is conducted, wherein, during the melt dip coating, a zinc layer is applied having a thickness of 5 to 20 ?m, preferably 7 to 14 ?m, on each side, wherein the melt dip process and the aluminum content of the zinc bath is adjusted such that, during the melt dip coating, an aluminum content for the barrier layer results of 0.15 g/m2 to 0.

Abstract: The invention relates to flame protection filters (F) consisting of a number of layer sequences (S1, S2, S3), wherein each of the layer sequences (S1, S2, S3) consists of filter layers (1, 2) arranged one on top of the other. Every layer sequence (S1, S2, S3) consists of a first filter layer (1) and a second filter layer (2) made from a material arranged in the shape of a grating with openings (1.1, 2.1) having an opening width (1.11, 2.11) in each instance. The first filter layer (1) having a free lateral surface (6.3) is a first end filter layer (3) with a first end filter opening width (3.11) and the second filter layer (2) having a free lateral surface (6.4) is a second end filter layer (4) with a second end filter opening width (4.11). The second opening width (2.11) of a second filter layer (2) is smaller than the first opening width (1.11) of a first filter layer (1). The second filter layer (2) is opaque.