Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 15:85-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I ((R1)y(R2)3-ySi—R3—SH??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—(S—R4)z—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 20:80-85:15. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: A method for the calibration of a camera for monitoring additive manufacturing of an object in which material is applied in a plurality of layers is provided. The method includes: a) providing the camera and providing means for additive manufacturing of the object, b) capturing an image of the object being manufactured or already manufactured by the camera, c) comparing the image captured with a model of the object, d) determining a calibration function on the basis of the comparison from step c), which is intended to transform the image captured into a corrected image, wherein the corrected image of the object substantially corresponds to the model of the object, and e) calibrating the camera by the calibration function. Also provided is a computer program comprising commands which, when executed by a computer, cause the computer to execute the steps of the method as well as a related apparatus.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—S—R4—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 15:85-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: In a method for cooking food in a container, in particular in a bag, the container, during heating, is opened at a particular overpressure of the medium and closed when the overpressure drops. A closing device is connected to the container and equipped with a pressure relief valve by means of which the container is opened at a particular overpressure of the medium and closed when the overpressure drops. The closing device includes at least one inner elongate retaining element and at least one sleeve body which surrounds the retaining element. The container is provided with an opening, and fed between the retaining element and sleeve body and through a longitudinal slit in the sleeve body. The retaining element and its surrounding sleeve body form the pressure relief valve. Optimal cooking of the food introduced into the container is achieved and fast preparation of the food is possible.

Abstract: The invention relates to rubber mixtures, said rubber mixtures comprising (a) at least one rubber, excluding silicone rubber, chloroprene rubber, bromobutyl rubber, fluoro rubber and nitrile rubber, (b) at least one silane of general formula (I), G-Si(—OR)3??(I), (c) at least one amine compound selected from the list triethanolamine, triisopropanolamine and [HO—CH(phenyl)CH2]3N and (d) at least one bifunctional silane. The rubber mixture is produced by mixing the rubber, silane of general formula (I), amine compound and bifunctional silane.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—(R4—S)n—R3—Si(R1)y(R2)3-y??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—(S—R4)z—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 19:81-81:19. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—S—R4—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 15:85-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 15:85-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—S—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—(S—R4)z—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 20:80-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to a method and a calibration device for calibrating a dental camera (1), which is based on a fringe projection method for optically measuring a dental object (10) in three dimensions, comprising a projection grid (2) for generating a projection pattern (3) that consists of a plurality of fringes (5), and an optical system (4) that projects the generated projection pattern (3) onto the object (10) to be measured. In a first step, a reference surface (74) with known dimensions is measured by the dental camera (1) using the fringe projection method. Actual coordinates (33, 36) of a plurality of measurement points (11) are determined on the reference surface (74), and the determined actual coordinates (33, 36) are compared to target coordinates (34) of the measurement points (11) on the reference surface (74).

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—Sx—(R4—S)n—R3—Si(R1)y(R2)3-y??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—(S—R4)z—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 19:81-81:19. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to silane mixtures comprising a silane of the formula I (R1)y(R2)3-ySi—R3—(S—R4)n—S—R5??(I) and a silane of the formula II (R1)y(R2)3-ySi—R3—(S—R4)z—S—R3—Si(R1)y(R2)3-y??(II) where the molar ratio of silane of the formula I to silane of the formula II is 20:80-90:10. The silane mixture according to the invention can be prepared by mixing the silanes of the formula I and silanes of the formula II.

Abstract: The invention relates to rubber mixtures, said rubber mixtures comprising (a) at least one rubber, excluding silicone rubber, chloroprene rubber, bromobutyl rubber, fluoro rubber and nitrile rubber, (b) at least one silane of general formula (I), G-Si(—OR)3??(I), (c) at least one amine compound selected from the list triethanolamine, triisopropanolamine and [HO—CH(phenyl)CH2]3N and (d) at least one bifunctional silane. The rubber mixture is produced by mixing the rubber, silane of general formula (I), amine compound and bifunctional silane.

Abstract: The present disclosure relates to structured illumination. The teachings thereof may be embodied in devices for reconstruction of a three-dimensional surface of an object by means of a structured illumination for projection of measurement patterns onto the object. For example, a device may include: a projector unit for diffractive projection of a measurement pattern comprising a plurality of measurement points onto the surface; an acquisition unit for acquiring the measurement pattern from the surface; and a computer unit for reconstruction of the surface from a respective distortion of the measurement pattern. All possible positions of measurement elements are contained in the measurement pattern in repeating groups, in which a respective combination of measurement points represents a respective location in the measurement pattern.

Abstract: The invention relates to urea-containing silanes of the formula I which are prepared by reacting urea-containing disulphide silanes of the formula II with sulphur or in a first step, reacting an aminosilane of the formula III with an isocyanate of the formula IV and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V) Na2Sx??(V) or in a first step, reacting an isocyanatosilane of the formula VII with an amine of the formula VIII and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V) Na2Sx??(V).

Abstract: At least one carrier is applied onto an object, the at least one carrier including two optically different markings that are spatially separated on the carrier. At least one camera images the object from different spatial directions and a computer executes a program to evaluate images acquired by the at least one camera. Three-dimensional surface measurement of the object is provided by positioning the object onto a central region of a base, applying the carrier onto the object, and acquiring a plurality of images of the object from the different spatial directions.

Abstract: The invention relates to urea-containing silanes of the formula I which are prepared by reacting urea-containing disulphide silanes of the formula II with sulphur or in a first step, reacting an aminosilane of the formula III with an isocyanate of the formula IV and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V) Na2Sx??(V) or in a first step, reacting an isocyanatosilane of the formula VII with an amine of the formula VIII and, in a second step, reacting the product from the first process step with sodium polysulphide of the formula (V) Na2Sx??(V).

Abstract: The invention relates to a method and a calibration device for calibrating a dental camera (1), which is based on a fringe projection method for optically measuring a dental object (10) in three dimensions, comprising a projection grid (2) for generating a projection pattern (3) that consists of a plurality of fringes (5), and an optical system (4) that projects the generated projection pattern (3) onto the object (10) to be measured. In a first step, a reference surface (74) with known dimensions is measured by the dental camera (1) using the fringe projection method. Actual coordinates (33, 36) of a plurality of measurement points (11) are determined on the reference surface (74), and the determined actual coordinates (33, 36) are compared to target coordinates (34) of the measurement points (11) on the reference surface (74).

Abstract: The invention is system for emulating a target application comprises a computer, and a capsular including a microcontroller, a programmable non-volatile memory, a numeric display, a transceiver for transmitting and receiving data, a real time clock and at least one input device interacting with a program run on the microcontroller. The capsular is couplable to the computer and adapted to fit in a housing. The input device is operable both when the capsular is inside the housing and when the capsular is outside the housing.