Abstract: A device for determining the state of a mechanical component, in which, when the component is in use, at least part of the component moves in relation to another component, particularly of drives or bearings or transmissions, using a measuring device that can determine an electrical variable or the change in an electrical variable.

Abstract: The invention relates to a sealing plug for an outlet opening of a container which accommodates a liquid melt. The sealing plug has a sealing region disposed on the outer surface thereof that is configured to come into contact with a section of the delimiting wall delimiting the outlet opening in order to close the outlet opening. The sealing plug narrows from the sealing region towards a front end along the longitudinal axis of the sealing plug. The front end is configured for insertion into the outlet opening, wherein a section between the sealing region and the front end is designed to have a concave shape.

Abstract: The invention relates to a device for producing a pattern on a surface for measuring, using a projector and a slide. The invention also relates to various advantageous embodiments of the measuring system.

Abstract: In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width of the strip with the aid of piezoelectric sensors, which are arranged in longitudinal recesses of a solid roller at a distance from the casing surface and are wedged there