Abstract: A process for the layer-by-layer construction of a three-dimensional object (3) from a pulverulent construction material by means of successively solidifying layers of the pulverulent construction material in each case at those sites of a layer which correspond to a cross section of the object, wherein the solidification is accomplished by introducing heat energy, has the following steps for each layer: a step of providing a layer of a pulverulent construction material, a step of preheating the applied construction material to a preheating temperature, below the temperature at which the material is solidified, and a step of solidifying the applied layer by means of electromagnetic radiation or particle radiation (7), wherein, in the solidification step, during a predetermined period of time, the start of which coincides with the beginning of the solidification step, the quantity of heat introduced per unit area is reduced over time and can be described by a function which decreases monotonously depending on t
Abstract: Treatments to improve ocular conditions such as presbyopia are provided. Structural (mechanical) weakening of the sclera is accomplished through the formation of a 3-D pattern of laser foci in the sclera resulting in an increase in the range of ocular accommodation.
Abstract: A modular system (1) for producing a three-dimensional object (2) by layerwise application and selective solidification of a pulverulent build material (13) contains a first module (30, 34-36; 40, 41) suitable for carrying out a first process used for the production of the three-dimensional object (2), and at least a second and a third module (30, 34-36; 40,41) suitable for carrying out a further process used for the production of the three-dimensional object (2). The first to third modules (30, 34-36; 40, 41) are configured so that the second or the third module, or both, can selectively and replaceably be connected to the first module in such a way that their housings are coupled to one another directly.
Abstract: A toilet. The toilet comprises an upper bowl defining a first fecal aperture, a lower bowl defining a second fecal aperture, a urine receptacle and a feces receptacle. The upper bowl defines a urine aperture. A raised barrier extends upwardly around a periphery of the second fecal aperture. When a diverter panel is closed urine flows from the upper bowl through the urine aperture into the urine receptacle or urine flows through the first fecal aperture, strikes an upper surface of the diverter panel, and through an opening between a lower surface of the upper bowl and the upper surface of the diverter panel into the urine receptacle. In a third path when the diverter panel is opened urine flows through the urine aperture into the urine receptacle, the raised barrier prevents urine flow into the feces receptacle through the second fecal aperture.
Abstract: A device for the making of a three-dimensional object (3) by means of layer by layer consolidation of a powderlike construction material (11) by electromagnetic radiation or particle beam has a height-adjustable carrier (2), on which the object (3) is built, and whose horizontal dimension defines a construction field (5). Furthermore, an irradiation device (6, 9) is present for directing the radiation onto regions of an applied layer of the construction material within the construction field (5) corresponding to an object cross section (30). A control unit (10) controls the irradiation device (6, 9) such that the powder particles of the construction material (11) are bonded together at the sites where the radiation impinges on the construction material.