Abstract: The present disclosure provides an improved production method for optical elements. In this case, it is desirable to achieve high contour accuracy and/or surface quality for optical elements or lenses or headlight lens. In addition, it is desirable to reduce the costs of a production process for objective lenses and/or headlights, microprojectors or vehicle headlights.

Abstract: The present disclosure provides a suitable method for producing a headlight lens for a vehicle headlight, for example for a motor-vehicle headlight, wherein the headlight lens comprises an integral body made of glass, wherein the integral body comprises at least one light tunnel and one light-passage section having at least one optically active light exit surface, wherein the light tunnel comprises at least one light entry surface and, with a bend, transitions into the light-passage section in order to image the bend as a bright-dark-boundary by means of light directed into the light entry surface.

Abstract: The invention relates to a solar concentrator comprising a solid body consisting of a transparent material that has a light coupling surface and a light decoupling surface, the solid body having a light guide part that tapers towards the light decoupling surface, being located between the light coupling surface and the light decoupling surface and being delimited by a light guide surface between the light coupling surface and the light decoupling surface, the light guide surface merging into the light decoupling surface with a constant first derivation. The invention also relates to a method for the production of a solar concentrator, wherein the transparent material is precision-molded between the molds.

Abstract: The invention relates to a headlamp lens for a vehicle headlamp, in particular a motor vehicle headlamp. The headlamp lens comprises a body made of a transparent material and having at least one light inlet surface and at least one optically effective light exit surface. The body comprises a light tunnel which transitions into a light-conducting element while making a bend for imaging the bend as a light-shadow line. The body further comprises an orientation structure for orienting the headlamp lens in a vehicle headlamp and/or for orienting the headlamp lens towards a light source for irradiating light onto the light inlet surface.

Abstract: The invention relates to a method for producing a glass stopper with a head portion for sealing bottles, more particularly bottles for wine and sparkling wine, wherein an upper mold and a lower mold are provided.

Abstract: The invention relates to a method for producing a glass stopper with a head portion for sealing bottles, more particularly bottles for wine and sparkling wine, wherein an upper mould and a lower mould are provided.

Abstract: A process for manufacturing a headlight lens for a vehicle headlight, wherein a blank is molded from transparent plastic material by means of an injection molding process, and wherein the blank is subsequently blank-molded by means of a final contour mold to form the headlight lens.

Abstract: The invention relates to a headlamp lens for a vehicle headlamp, in particular a motor vehicle headlamp. The headlamp lens comprises a body made of a transparent material and having at least one light inlet surface and at least one optically effective light exit surface. The body comprises a light tunnel which transitions into a light-conducting element while making a bend for imaging the bend as a light-shadow line. The body further comprises an orientation structure for orienting the headlamp lens in a vehicle headlamp and/or for orienting the headlamp lens towards a light source for irradiating light onto the light inlet surface.

Abstract: A solar concentrator includes a solid body of a transparent material, which comprises a light coupling-in surface and a light coupling-out surface. A supporting frame and a light-transmitting part are located between the light coupling-in surface and the light coupling-out surface.

Abstract: The invention relates to a solar concentrator made of a transparent material, wherein the solar concentrator comprises a light incoupling surface that may be spherical or non-spherical, a light outcoupling surface, and a light guide component arranged between the light incoupling surface and the light outcoupling surface, the light guide component being delimited between the light incoupling surface and the light outcoupling surface by a light guide component surface.

Abstract: A process for manufacturing a headlight lens for a vehicle headlight, wherein a blank is molded from transparent plastic material by means of an injection molding process, and wherein the blank is subsequently blank-molded by means of a final contour mold to form the headlight lens.

Abstract: A method for producing a solar concentrator, the method comprising providing an upper mold, adapted for molding a light exit face, providing a bottom mold, adapted for molding a light entry face, and blank molding the transparent material between the upper mold and the bottom mold to form a solar concentrator comprising a light entry face and a light exit face.

Abstract: A solar concentrator includes a solid body of a transparent material, which comprises a light coupling-in surface and a light coupling-out surface. A supporting frame and a light-transmitting part are located between the light coupling-in surface and the light coupling-out surface.

Abstract: The invention relates to a solar concentrator, comprising a solid body made of a transparent material, which has a light coupling surface and a convex light decoupling surface, wherein the solid body has a light guide part between the light coupling surface and the convex light decoupling surface, wherein said light guide part is tapered in the direction of the convex light decoupling surface. The invention further relates to a production method, wherein the material is precision-molded between two molds.

Abstract: The invention relates to a solar concentrator comprising a solid body consisting of a transparent material that has a light coupling surface and a light decoupling surface, the solid body having a light guide part that tapers towards the light decoupling surface, being located between the light coupling surface and the light decoupling surface and being delimited by a light guide surface between the light coupling surface and the light decoupling surface, the light guide surface merging into the light decoupling surface with a constant first derivation. The invention also relates to a method for the production of a solar concentrator, wherein the transparent material is precision-moulded between the moulds.

Abstract: The invention relates to a method for producing a solar concentrator from a transparent material. The solar concentrator comprises a light coupling surface and a light decoupling surface, the solid body comprises a supporting frame with an outer edge between the light coupling surface and the convex light decoupling surface and the transparent material is precision moulded between a first mould and a second mould to form the solar concentrator in such a way that the outer edge is moulded or formed without any or with only partial contact with said mould.

Abstract: The invention relates to a method for producing a headlight lens (51) for a vehicle headlight, characterized in that a blank (20) made of glass is heated and thereafter pressed into an injection die (30) to form a headlight lens (51).