Abstract: A method for producing an injection-moulded plastic component made of a plastic having at least one recess for accommodating sensors, having the following steps: producing the injection-moulded plastic component in a mould having top and bottom mould halves; raising the top mould half and introducing a thermoregulatable ram which is guided in a sleeve; placing the sleeve with integrated annular space on the surface of the injection-moulded component, to form an annular bead in the annular space; pressing the thermoregulated ram into the surface of the injection-moulded component; and cooling the ram and raising it from the surface.

Abstract: A method for producing an injection-moulded plastic component made of a plastic having at least one recess for accommodating sensors, having the following steps: producing the injection-moulded plastic component in a mould having top and bottom mould halves; raising the top mould half and introducing a thermoregulatable ram which is guided in a sleeve; placing the sleeve with integrated annular space on the surface of the injection-moulded component, to form an annular bead in the annular space; pressing the thermoregulated ram into the surface of the injection-moulded component; and cooling the ram and raising it from the surface.

Abstract: A watermark is embossed into a model of a linear or surface shape, especially a non-uniform rational B-splines model. The model has a plurality of splines, the combination of which forms the shape. Control points are assigned to the splines such that a course of the respectively associated spline can be modified and thus be controlled by changing the position of the control points and/or weights of the control points. Nodes which are located in a section of the shape that is formed by the respectively associated spline are allocated to the splines. In order to change the shape (the modified curve runs through point Cmod) when a watermark is embossed into the model, the position of at least one control point is modified, the weight by which a control point affects the shape and thus influences at least one area of the shape is modified, and/or an additional control point is inserted into the model. At least one additional node is inserted into the model (new node at u=1.

Abstract: A watermark is embossed into a model of a linear or surface shape, especially a non-uniform rational B-splines model. The model has a plurality of splines, the combination of which forms the shape. Control points are assigned to the splines such that a course of the respectively associated spline can be modified and thus be controlled by changing the position of the control points and/or weights of the control points. Nodes which are located in a section of the shape that is formed by the respectively associated spline are allocated to the splines. In order to change the shape (the modified curve runs through point Cmod) when a watermark is embossed into the model, the position of at least one control point is modified, the weight by which a control point affects the shape and thus influences at least one area of the shape is modified, and/or an additional control point is inserted into the model. At least one additional node is inserted into the model (new node at u=1.

Abstract: A film for packaging sliced foodstuffs, such as, for example cheese slices, is wound around the foodstuff in the form of a tube lying flat and completely encloses the foodstuff, the two edge zones on the longitudinal axes of the film overlapping and being joined to one another by a full-surface or partial heat-sealable coating. The film comprises a monolayer or coextruded multilayer, in each case biaxially stretched and heat-fixed, film, which has full-surface or partial peelable heat-sealable coating and contains a water-repellant additive component mixture.

Abstract: An image converter is disclosed which can be operated by means of a relatively low voltage D.C. supply. In this invention, the luminescent screen of the image converter is brought closer to the photocathode by forming the exit window with a frustrum-shaped platform with a top surface that is parallel to the entrance window, and upon which top surface the luminescent screen is mounted. As a result of the closer spacing between the photocathode and the luminescent screen, lower D.C. supply voltages can be utilized. Moreover, the shape of the housing which supports the two windows at the image converter is so designed that the interior surface of the housing is non-perpendicular to the equipotential lines of the electric field which is established between the photocathode and the luminescent screen. As a result of this geometrical relationship, avalanche discharge is reduced or eliminated altogether, thereby reducing or eliminating the undesirable arcing which can occur as a result of such avalanche discharge.

Abstract: In order to increase the sensitivity of television cameras so as to allow the cameras to operate in low level light, an image transformer attachment, in the form of an ancillary image intensifier, is provided for attachment to the objective lens opening of the camera. The attachment includes a cylindrical housing containing one or more proximity-focus image converters or intensifiers which are optically connected to the pick-up tube of the camera by a fiber optics cylindrical block. The housing includes an annular disk screwed into its input end, which disk has an opening for the objective lens of the camera and which disk urges a resilient ring against the image transformers to bias the intensifier and fiber optics block against the pick-up tube of the camera.