Abstract: Rapid and efficient production and examination of formulations for polyurethane foams using only small amounts of materials are achieved by allowing the foam-forming mixture to foam in a container, preparing disks from sections of the container in which the foam is present and removing a plurality of cylindrical samples having substantially the same density from the disk.

Abstract: High performance thermal control duct for heat exchangers, comprising two sheets, each of which have surface depressions, sandwiched together on both sides of a holed sheet.

Abstract: Diaphragm pump with a multipart pump body, comprising at least three rigid plates and at least two elastic diaphragms arranged between said plates, the plates forming at least one pumping chamber and at least two shut-off chambers, and the pumping chamber and shut-off chambers forming, together with an inlet duct, connecting ducts and an outlet duct, a passage duct; the pumping chamber and the shut-off chambers being separated by the diaphragms in each case into a product space and a control space with an axially movable disc, with an extended rod attached on one side, inserted into said control space, so that the rod, attached on one side of the movable disc, projects outside the metering head and can be adjusted outside the pump to move the movable disc axially and reduce or increase the maximum possible diaphragm travel in the pumping chamber.

Abstract: Diaphragm pump with a multipart pump body, comprising at least three rigid plates and at least two elastic diaphragms arranged between said plates , the plates forming at least one pumping chamber and at least two shut-off chambers, and the pumping chamber and shut-off chambers forming, together with an inlet duct connecting ducts and an outlet duct, a passage duct; the pumping chamber and the shut-off chambers being separated by the diaphragms in each case into a product space and a control space with an axially movable disc, with an extended rod attached on one side, inserted into said control space, so that the rod, attached on one side of the movable disc, projects outside the metering head and can be adjusted outside the pump to move the movable disc axially and reduce or increase the maximum possible diaphragm travel in the pumping chamber.

Abstract: A lift truck (6) for the transport of a battery block (1) of an industrial truck, such as a fork-lift truck. The lift truck (6) includes at least one electrical unit. The electrical unit can be connected with the battery block (1) to be transported for supplying electrical energy to the lift truck (6). The lift truck (6) may not have its own battery. The electrical unit can be an electrical traction drive motor.

Abstract: A combination static mixer and heat exchanger having heat exchanger tubes (1) which are provided over their circumference with fins (2a, 2b) which have a static mixing effect.

Abstract: Apparatus for maintaining a predefined pressure in one or more reactors to which pressures from 1 to 500 bar can be applied, with simultaneous measurement of the gas mass flow, comprising at least one buffer container (A) which is equipped with a pressure gauge (B) and can be filled with gas via at least one valve (C), and the buffer container (A) being connected to at least one reactor (F) which is likewise equipped with a pressure gauge (B′), characterized in that the connection between buffer container and reactor contains a restrictor (D) and a valve (E) which is controlled via a control unit (H) which is connected to the pressure gauges of the reactor (F) and of the buffer container (A) via control lines.

Abstract: A diaphragm pump with a multi-part pump body is described. The pump consists at least of three rigid plates (201, 203, 205) and at least two elastic diaphragms (204, 202) arranged between these plates (201, 203, 205), the plates (201, 203, 205) forming, in particular, a pumping chamber (211) and at least two shut-off chambers (210, 212), in each case with an inlet (240) and an outlet (241) orifice for the conveyable material, and the pumping chambers (211) and shut-off chambers (210, 212) forming, together with an inlet duct (207), the connecting ducts (208) and (209) and an outlet duct (206), a passage duct, the pumping chamber (211) and the shut-off chambers (210, 212) being separated by the diaphragms (204, 202) in each case into a product space (230, 231, 232) and a control space (220, 221, 222), and the control spaces (220, 221, 222) having control lines (119, 120, 121) which are connected to a control unit (100, 115).

Abstract: The invention relates to a process for continuously conveying shear-sensitive fluids, in particular polymer latices or plastics dispersions, which is accompanied by the taking of samples and the processing and analysis thereof, to a device for implementing the process and to a new double-long-stroke reciprocating pump.

Abstract: Rapid and efficient production and examination of formulations for polyurethane foams using only small amounts of materials are achieved by allowing the foam-forming mixture to foam in a container, preparing disks from sections of the container in which the foam is present and removing a plurality of cylindrical samples having substantially the same density from the disk.

Abstract: This invention relates to an apparatus and a process for rapidly and accurately dispensing fluids, in which at least one component is dispensed into the reaction vessel in two or three stages. In this process, the amount of fluid dispensed in the second and third stages is determined on the basis of the mass flow rate calculated in the preceding sub-step.

Abstract: A modular, actuated valve controlled by means of pressure fluids comprising a head plate mounted on a housing plate mounted on a base plate, held together by screws, having a piston with attached valve spindle and a pressure relief space provided between the flow passage 28, 29 and the piston.

Abstract: A tube reactor based on a laminate, at least comprising at least three structured layers and a covering layer on the top and on the underside of the laminate, in which each layer has openings which are arranged in adjacent longitudinal rows and are elongated transverse to the longitudinal rows, in which the openings of a layer intersect at least three openings of an adjacent layer and the sequence of intersecting openings forms a channel in the longitudinal direction or in the transverse direction of the layers.

Abstract: Modular device and method for carrying out experiments in parallel on process substances to develop technical methods, comprising at least a multiplicity of individual reactors which are controllable independently of one another said reactors being comprised of pressure-tight chambers having separable sample vessels, and optionally, stirring devices, heating instruments, cooling instruments, or both, a monitoring unit for monitoring or controlling at least the pressure and the temperature in the individual reactors, pressure-tight lids having independent feed lines and optionally independent discharge lines for individual process substances; a plurality of the lids being simultaneously sealable upon the rectors by a common sealing means (11).

Abstract: Static mixer module, consisting of a disc which is provided with a multiplicity of orifices (6) and is structured on its front side and on its rear side by means of channels (4, 5), and in which the orifices (6) are made in the flanks (8) of the inlet channels (4) and open into the flanks (9) of the mixing channels (5). Furthermore, a mixer arrangement is described, which consists of at least two static mixer elements arranged one behind the other, at least one mixer element being a disc-shaped static mixer module. The mixer module and the mixer arrangement are used in pipelines and housings through which a flow passes.

Abstract: A method is described for producing electric modules, where a power module is attached to a fastening part with an adhesive, with the adhesive first being precured in an edge area, and in another step the power module is encased in a gel. In another step, the gel and the adhesive are fully cured together in one step. This method is cost- and time-optimized for producing a compact electric module with power modules that have a high power loss and are exposed to high mechanical stresses.

Abstract: A machine, in particular an industrial truck, is provided with a hydraulic system that has at least one reservoir (1) for hydraulic fluid and at least one hydraulic pump (5). The hydraulic pump (5) is located inside the reservoir (1). A priority valve (8a) is connected to the hydraulic pump (5) by a flange connection. An electric drive motor (3) of the hydraulic pump (5) can also be located inside the reservoir (1).

Abstract: The present invention relates to a coating composition containing: A) 25 to 50 wt. % of a polyisocyanate component, B) 5 to 20% wt. % of one or more polyaspartic acid esters C) 10 to 30 wt. % of one or more polyaldimines having a number average molecular weight of 112 to 600 D) 0.1 to 5.0 wt. % of an acetal corresponding to formula IV: E) 0.1 to 5.0 wt. % of castor oil. F) 0.1 to 10.0 wt. % of an organic solvent, G) 15 to 35 wt. % of a pigment and H) 0 to 10 wt. % of a coating additive other than D, F or G, wherein the sum of the percentages of components A to H is 100. The present invention also relates to the use of this coating composition as an anti-corrosive top coat.

Abstract: A method for manufacturing chip stacks in which wafers are stacked one on top of the other. The wafer is provided with an adhesive foil on its bottom, and is subsequently cut into chips so that the adhesive foil remains intact and the chips adhering to the adhesive foil are stacked one on top of the other. A first layer of chips is reversibly attached to a baseplate, the adhesive foil is removed, the next layer of chips is attached to the bottom side of the chips already fastened to the baseplate, the adhesive foil is removed, and the last two steps are repeated until the desired number of chips is stacked one on top of the other.

Abstract: A metering apparatus includes a roller charging device having an encircling groove which allows an accurate metering in minimum quantities, using the respective angle of slope of a pourable loose material.