Abstract: An assembly (10) for potential equalization in potentially explosive areas is described, having an outer housing (20), a gas discharge arrester (22), a short-circuiting device (30) and a fault indicator (42). At least the gas discharge arrester (22) and the short-circuiting device (30) are accommodated in the outer housing (20). The short-circuiting device (30) comprises at least one spring (32) and an actuating element (34), which is preloaded into a short-circuit position by the spring (32). The gas discharge arrester (22) has a base body (24) which is filled with a gas and connected to a first connecting part (16) via a thermally detachable connection (38). The fault indicator (42) is set up to indicate a tripping event of the short-circuiting device (30).

Abstract: The present invention provides an overvoltage protection spark gap assembly and a method for operating an overvoltage protection spark gap assembly. The overvoltage protection spark gap assembly comprises a first overvoltage protection spark gap (1) which has a first main terminal (1a) and a second main terminal (1b); a second overvoltage protection spark gap (1?) which has a third main terminal (1a?) and a fourth main terminal (1b?). The first main terminal (1a) can be connected to a first voltage line (S1) of a supply network via a first terminal contact (A1) and the fourth main terminal (1b?) can be connected to a second voltage line (S2) of the supply network via a second terminal contact (A2). The second main terminal (1b) and the third main terminal (1a?) are electrically connected to one another.

Abstract: The invention relates to a production machine (1) having a control program (4) for visualization of machine components (2) and a method (100) of optimizing process parameters for the production machine having such a control program, as well as a data carrier having such a control program, the control program comprising an interactive user interface embodied as a visualization unit (5) and being adapted to visualize, on the visualization unit, at least one of the machine components in their functions during production in one presentation for each of these machine components and to provide corresponding switch panels (51) for the input of process parameters relating to the respective visualized machine component, the presentation comprising at least one parameter-time diagram (52) with motion curves (53) for components (21) of the respective machine component, wherein at least one of the motion curves being subdivided into different suitably visualized motion sections (53a, 53b, 53c) for each of which the proce

Abstract: A method for regulatedly carrying out a chemical reaction in a reactor having reaction tubes which have a number of electrically heatable tube sections, wherein power connections are provided, which are each connected to at least one of the tube sections, wherein at least one connecting element is provided and each of the tube sections is connected to the connecting element. The method comprises conducting a process fluid through the one or more reaction tubes, providing several variable voltages at the several power connections, wherein the several voltages are provided as phases of a multiphase AC voltage so that the at least one connecting element forms a star point, setting the one or more voltages; detecting one or more measured values corresponding to one or more measured variables; changing the several set voltages so that the detected measured values correspond to predetermined values or value ranges of the measured variables.

Abstract: Disclosed is a reactor for carrying out a chemical reaction and a corresponding method. The reactor includes a vessel and one or more reaction tubes where a number of tube sections of the reaction tubes run between first second regions in the reactor vessel, and where the tube sections in the first region for the electrical heating of the tube sections can be electrically connected to the phase connections of a polyphase AC power source. Tube sections in the second region are electrically and conductively connected to one another as a whole by means of a single rigid connecting element, or in groups by means of a plurality of rigid connecting elements which are integrally connected to the reaction tubes and are arranged inside the reactor vessel. A corresponding method is also the subject-matter of the present invention.

Abstract: The invention relates to a production machine with a control program for visualizing stations and/or machine components, highlighting the speed-determining station and/or the speed-determining machine component in order to optimize the process time. The invention also relates to a method of optimizing the process time for a production machine with such a control program and to a data carrier with such a control program.

Abstract: A reactor includes a reactor vessel and one or more reaction tubes A number of tube sections of the one or more reaction tubes in each case run between a first region and a second region in the reactor vessel. For the electrical heating of the tube sections, the tube sections in the first region can be electrically connected to (a) current connection(s) of a current source. In the first region, current feed arrangements are provided; in each case one or in each case one group of the tube sections are electrically connected, and each comprise (a) contact passage(s) that in each case adjoin(s) at least one of the tube sections in the first region. A wall of the contact passages in each case is connected to a current feed element that has a rod-shaped section that runs at a wall passage through a wall of the reactor vessel.

Abstract: The disclosure relates to a hand-held machine tool with a drive unit for driving a tool holder, wherein the drive unit is paired with a planetary gearbox, which is arranged in a gearbox housing and comprises at least one ring gear, and an intermediate shaft, said intermediate shaft being connected to a planet carrier of the planetary gearbox. According to the disclosure, the at least one ring gear is paired with a fixing element which is designed to fix the at least one ring gear in the gearbox housing in the longitudinal direction of the ring gear rotational axis, said fixing element being arranged on the ring gear and/or the intermediate shaft.

Abstract: The invention relates to an HMI system with a mobile operating and monitoring device for operating a production machine for plastics processing. The HMI system is installed on a control unit of the production machine and has a mobile operating and monitoring device.

Abstract: A method is proposed for producing a packaging, having a method step of microperforation of a flexible material as a packaging film, comprising: provision of the flexible material as a packaging film, transport of the flexible material over a transport section, provision of a laser in order to generate a perforation of the flexible material with its beam. For a packaging with improved gas exchange, a laser system with a wavelength in the range of from 150 nm to 1064 nm, preferably from 355 nm to 532 nm, is used for the laser, and the perforation with the laser is carried out during the movement of the flexible material of the packaging film during the transport.

Abstract: The disclosure is based on a hand-held power tool having at least one switch device which comprises at least one switching element at least for activating a power supply of a drive unit, having at least one quick-change tool holder which is provided for holding an insertion tool which is different from an insertion tool with an SDS® shaft having a maximum transverse extent of 10 mm and/or having at least one accumulator interface. It is proposed that the at least one switching device comprises at least one locking unit which is provided for maintaining, at least essentially independently of an effect of an operator activation force, an active operating mode which can be activated by actuating the at least one switching element.

Abstract: The invention relates to a production machine (1) having a control program (4) for visualization of machine components (2) and a method (100) of optimizing process parameters for the production machine having such a control program, as well as a data carrier having such a control program, the control program comprising an interactive user interface embodied as a visualization unit (5) and being adapted to visualize, on the visualization unit, at least one of the machine components in their functions during production in one presentation for each of these machine components and to provide corresponding switch panels (51) for the input of process parameters relating to the respective visualized machine component, the presentation comprising at least one parameter-time diagram (52) with motion curves (53) for components (21) of the respective machine component, wherein at least one of the motion curves being subdivided into different suitably visualized motion sections (53a, 53b, 53c) for each of which the proce

Abstract: The invention relates to a package for outgassing foods and/or maturing foods, in particular roasted coffee and/or coffee beans, comprising a bag for storing the food, which includes a film from which the bag is formed, wherein a valve is provided to enable a discharge of gas from the package bag to the outside in the event of overpressure in the package and to reduce the diffusion-related gas exchange in the case of comparable and/or equal pressure conditions in and/or outside the package bag. It is characterized in that the valve is formed as a microperforation in the film having at least one or two holes of the size of 750 ?m2 to 40 000 ?m2, preferably of 390 ?m2 to 20 000 ?m2, particularly preferably 70 ?m2 to 16 000 ?m2 and/or each having the diameter of 10-70 ?m, preferably 20-60 ?m, particularly preferably 30 ?m.

Abstract: A power-tool cooling apparatus for a portable power tool includes a first fan configured to generate a first cooling fluid flow to cool a drive unit of the portable power tool, and a second fan that generates a further cooling fluid flow to cool an electronics unit of the portable power-tool. A third fan generates a third cooling fluid flow to cool a second electronics unit of the power-tool, and supplies cooling fluid to the first cooling fluid flow.

Abstract: The invention relates to an arrangement for the drive mounting, in particular for a motor vehicle, preferentially a utility vehicle. The arrangement comprises a supporting structure, in particular a cross member structure. The arrangement comprises an, in particular electric, drive unit, which is attached to the supporting structure in a 3-point mounting on an underside and/or from below. Advantageously, the drive unit can thus be fed to the motor vehicle from the rear end. The drive unit can be practically lifted in order to be then attached to the supporting structure on an underside or from below. The 3-point mounting makes possible a quick assembly. In addition, a static redundancy of the mounting through too many bearing points (e.g. four or more) is prevented.

Abstract: In a handheld machine tool having a tool holder and a housing in which at least one gear unit as well as an electronically commutatable drive motor having a stator and a rotor for driving an insertion tool able to be placed in the tool holder are situated, a drive-side gearbox flange, which at least regionally seals the gear unit, is allocated to the gear unit. The drive-side gearbox flange has, on its end face facing the stator, an accommodation region for the at least regional accommodation of at least one motor component allocated to the stator.

Abstract: The disclosure is based on a hand-held power tool having at least one switch device which comprises at least one switching element at least for activating a power supply of a drive unit, having at least one quick-change tool holder which is provided for holding an insertion tool which is different from an insertion tool with an SDS® shaft having a maximum transverse extent of 10 mm and/or having at least one accumulator interface. It is proposed that the at least one switching device comprises at least one locking unit which is provided for maintaining, at least essentially independently of an effect of an operator activation force, an active operating mode which can be activated by actuating the at least one switching element.

Abstract: The disclosure is based on a hand-held power tool having at least one switch device which comprises at least one switching element at least for activating a power supply of a drive unit, having at least one quick-change tool holder which is provided for holding an insertion tool which is different from an insertion tool with an SDS® shaft having a maximum transverse extent of 10 mm and/or having at least one accumulator interface. It is proposed that the at least one switching device comprises at least one locking unit which is provided for maintaining, at least essentially independently of an effect of an operator activation force, an active operating mode which can be activated by actuating the at least one switching element.

Abstract: A method and apparatus for analysis of a specimen in a microscope are provided. A first survey is performed that collects analytical data from a region of interest on the specimen surface using a first set of conditions. A second survey is performed that collects additional analytical data from selected parts of the region of interest on the specimen surface using a second set of conditions, different from the first set of conditions. The analytical data from the first survey is used to select the parts used for data collection in the second survey and to decide the order in which they are used.

Abstract: The invention relates to an arrangement for the drive mounting, in particular for a motor vehicle, preferentially a utility vehicle. The arrangement comprises a supporting structure, in particular a cross member structure. The arrangement comprises an, in particular electric, drive unit, which is attached to the supporting structure in a 3-point mounting on an underside and/or from below. Advantageously, the drive unit can thus be fed to the motor vehicle from the rear end. The drive unit can be practically lifted in order to be then attached to the supporting structure on an underside or from below. The 3-point mounting makes possible a quick assembly. In addition, a static redundancy of the mounting through too many bearing points (e.g. four or more) is prevented.