Abstract: What is described is the use of a particulate material comprising, as its sole constituent or as one of multiple constituents, a particulate synthetic amorphous silicon dioxide having a particle size distribution with a median in the range from 0.1 to 0.4 ?m, determined by means of laser scattering, as additive for a molding material mixture at least comprising: a refractory mold base material having an AFS grain fineness number in the range from 30 to 100, particulate amorphous silicon dioxide having a particle size distribution with a median in the range from 0.7 to 1.5 ?m, determined by means of laser scattering, and water glass, for increasing the moisture resistance of a molding producible by hot curing of the molding material mixture. Also described are corresponding processes, mixtures and kits.

Abstract: A safe digital input circuit with a first input and a second input for reading in a sensor signal with a clock generator to generate a clock signal is shown. The safe digital input circuit includes a first clock output and a second clock output for connecting sensors to safely shut down a plant. A first and a second signal line are connected to a clock generator output of the clock generator to forward the clock signal to the first and second clock output.

Abstract: A method for monitoring a nozzle mouthpiece for placing on a nozzle for spraying materials, in particular dispersions, emulsions or suspensions.

Abstract: A separating device with a separating unit for separating and sealing two chambers of a container. The separating unit includes a main body which has a radial outer peripheral surface designed as a sealing surface. The separating unit includes a support structure arranged in the region of the outer periphery, the main body with the support structure forms a receiving space which at least partly receives the inflatable seal, and the separating unit in the installed state is arranged in the container which includes a container wall which forms the counter scaling surface in a manner such that the scaling surface is annularly enclosed by the counter sealing surface.

Abstract: A weaving machine includes a shed forming device, a weft insertion device, and a weaving reed that beats up the weft threads at a beat up plane against an edge of the woven fabric. A guide device extends over a width of the woven fabric and is driven by a drive, the guide device being one or both of an upper guide unit that contacts a top surface of the woven fabric or a lower guide unit that contacts a bottom surface of the woven fabric. A control unit controls alternating movement of the guide unit along the direction of thickness of the woven fabric as the fabric is being woven based on information related to one or both of a structure of the woven fabric in the area of the beat up plane or a position of the warp threads in the open loom shed.

Abstract: Described is a nozzle for spraying substances, in particular dispersions, emulsions or suspensions.

Abstract: The invention relates to a method of producing an article selected from the group consisting of casting mold, core, feeder and molding compound for production of part of a casting mold, core or feeder, comprising the following steps: (S1) producing or providing in the foundry: a first component (A), comprising a first binder component (b1) of a binder system and an amount of a first mold base material and, spatially separated therefrom, a second component (B), comprising a second binder component (b2) of the binder system and an amount of a second mold base material wherein the first binder component (b1) and the second binder component (b2) are suitable for chemical reaction with one another and for curing of a mixture of the first component (A) and the second component (B), (S2) mixing by contacting the first component (A) and the second component (B) in a particular mass ratio, so as to result in a self-curing molding compound.

Abstract: The present invention relates to the use of closed-pore microspheres of expanded perlite as a filler for producing moldings for the foundry industry, to a composition for producing moldings for the foundry industry, comprising closed-pore microspheres of expanded perlite as a filler, and a binder, the binder being selected from the group consisting of water glass, phenol-formaldehyde resins, two-component systems comprising as reactants a polyisocyanate and a polyol component containing free hydroxyl groups (OH groups), and starch, and also to moldings for the foundry industry and to a process for producing a molding for the foundry industry.

Abstract: An apparatus for drawing-off a web-shaped product from a weaving machine in a drawing-off direction includes: at least one clamp carrier having clamps for the web-shaped product; a carrier frame apparatus on which the clamp carrier is guided; a drive arrangement by which the clamp carrier is drivable back and forth in a motion range; and a support system for the web-shaped product. The support system is arranged in an area between the apparatus side facing toward the weaving machine and the clamp carrier, within the carrier frame apparatus, in such a manner so that a sagging of the web-shaped product in this area is avoided or limited by the support system.

Abstract: What is described is a process for producing an article for use in the foundry industry, selected from the group consisting of molds, cores, feeder elements and molding material mixtures, comprising the following steps: (S1) producing or providing a binder system comprising the following components in three spatially separate vessels: a component (A) comprising particulate amorphous silicon dioxide, a first liquid component (B) comprising waterglass, and a second liquid component (C) comprising aluminate ions dissolved in an aqueous phase, (S2) contacting a mold base material (D) and constituents of all the said components (A), (B) and (C) of the binder system in predetermined ratios in one or more steps, so as to result in a molding material mixture in which the aluminate ions and the particulate amorphous silicon dioxide are mixed wholly or partly into the waterglass, wherein steps (S1) and (S2) are conducted in a facility for producing molding material mixtures.

Abstract: The present invention relates to the use of closed-pore microspheres of expanded perlite as a filler for producing moldings for the foundry industry, to a composition for producing moldings for the foundry industry, comprising closed-pore microspheres of expanded perlite as a filler, and a binder, the binder being selected from the group consisting of water glass, phenol-formaldehyde resins, two-component systems comprising as reactants a polyisocyanate and a polyol component containing free hydroxyl groups (OH groups), and starch, and also to moldings for the foundry industry and to a process for producing a molding for the foundry industry.

Abstract: What are described are a process for producing an insulating product for the construction materials industry or an insulating material as intermediate for production of such a product, and a corresponding insulating material/insulating product.

Abstract: The present invention describes the use of a coating composition, comprising an aqueous phase having a pH of at most 5 and one or more refractories, in the foundry industry and also coated, waterglass-bound foundry molding elements, especially foundry molds and/or foundry cores, which each comprise such an aforementioned coating composition. The invention further describes a method for producing a coated, waterglass-bound foundry molding element. The invention likewise describes a kit whose contents include an aforementioned coating composition, comprising aqueous acid and one or more refractories.

Abstract: The present invention describes a coating composition for the foundry industry, for use in the foundry, in particular comprising certain organic ester compounds of a formula (I) and particulate, amorphous silicon dioxide (SiO2); and also coated foundry molding elements, especially foundry molds and/or foundry cores, which each comprise a coating composition of the invention. The invention further describes the use of a coating composition of the invention for producing a coating on a foundry molding element and a method for producing a foundry molding element coated with a water-containing refractory coating. The invention likewise describes a kit whose contents include a coating composition of the invention.

Abstract: Disclosed embodiment provide a sliding step assembly for a vehicle or a rail vehicle, comprising at least one footboard, which is guided on a guiding device for movement along a travel path between a retracted position and an extended position by driving by a drive. The drive contains at least one electrical linear motor operating without contact, wherein the driving force of the electrical linear motor is transferred to the footboard without mechanical connection.

Abstract: What are described are the use of a refractory coating composition for production of cores for diecasting, a kit for production of cores for use in diecasting, a method of producing cores for use in diecasting, cores for use in diecasting, and the use of such cores in diecasting, especially of lightweight metals

Abstract: A grease gun (1) with improved handling includes a screw coupling (2) for coupling a screw cartridge (7, 8). The screw coupling (2) encompasses at least two different coupling threads (5, 6) for coupling screw cartridges (7, 8) that include different mating threads (9, 10).

Abstract: A coating composition is described, for use in the foundry, in particular comprising particulate, amorphous silicon dioxide (SiO2) and an aqueous phase having a pH of at most 5, and also coated, waterglass-bound foundry molding elements, especially coated, waterglass-bound foundry molds and foundry cores, which each comprise a coating composition of the invention. Further described is the use of a coating composition of the invention for producing a coating on a waterglass-bound foundry molding element and a method for producing a waterglass-bound foundry molding element (mold or core) coated with a water-containing refractory coating. Likewise specified is a kit whose contents include a coating composition of the invention.

Abstract: A coating composition is described, for use in the foundry, in particular comprising particulate, amorphous silicon dioxide (SiO2) and an aqueous phase having a pH of at most 5, and also coated, waterglass-bound foundry molding elements, especially coated, waterglass-bound foundry molds and foundry cores, which each comprise a coating composition of the invention. Further described is the use of a coating composition of the invention for producing a coating on a waterglass-bound foundry molding element and a method for producing a waterglass-bound foundry molding element (mold or core) coated with a water-containing refractory coating. Likewise specified is a kit whose contents include a coating composition of the invention.