Abstract: A protective film removal device has a first removal station for releasing a protective film from an optical lens first surface, a lens holder which has an imaginary central axis, at least one fluid nozzle having a nozzle exit duct, and a rotary mounting between the lens holder and the fluid nozzle(s). The rotary mounting is configured such that a relative movement about the central axis is able to be carried out by the fluid nozzle(s), wherein the nozzle exit duct of the fluid nozzle(s) is in each case oriented inwards. A lifting device between the lens holder and the fluid nozzle(s) is configured in such that a relative movement in relation to the lens holder, said relative movement being oriented along the central axis, is able to be carried out by the fluid nozzle(s). A method for releasing a protective film from a lens surface is also disclosed.

Abstract: A lens holder for accommodating an optical lens includes a carrier element that forms a receptacle area for the lens, a sealing structure or seal on the carrier element for fixing the lens in the receptacle area by negative pressure. A camera is arranged behind the receptacle area, using the image area of which a light distribution in the receptacle area is acquired. A protective film removal device is provided with the lens holder, wherein an action mechanism is designed to act mechanically, thermally, chemically, pneumatically, or hydraulically on a protective film on a lens. An evaluation device, linked to the camera, is designed to evaluate the light distribution in the receptacle area, which is dependent on the progress of the detachment of the protective film. A method and a use of the lens holder is also provided in terms of detaching a protective film from an optical lens.

Abstract: A method for unpacking a workpiece, in particular an optical lens or an optical lens blank, from a package, includes an automated cutting open step of a first package side of the package, and an automated sliding of the workpiece out of the package step on the first package side. An unpacking apparatus for unpacking a workpiece from a package, has a feed station for receiving a package in which a workpiece is arranged, a cutting-open station having a first cutting or sawing tool for the automated cutting open of a first package side of the package downstream of the feed station, and a slide-out station downstream of the cutting-open station. A relative movement can be produced between the package and the workpiece in an automated manner so that the workpiece slides out of the package on the first package side.

Abstract: A protective film removal device has a first removal station for releasing a protective film from an optical lens first surface, a lens holder which has an imaginary central axis, at least one fluid nozzle having a nozzle exit duct, and a rotary mounting between the lens holder and the fluid nozzle(s). The rotary mounting is configured such that a relative movement about the central axis is able to be carried out by the fluid nozzle(s), wherein the nozzle exit duct of the fluid nozzle(s) is in each case oriented inwards. A lifting device between the lens holder and the fluid nozzle(s) is configured in such that a relative movement in relation to the lens holder, said relative movement being oriented along the central axis, is able to be carried out by the fluid nozzle(s). A method for releasing a protective film from a lens surface is also disclosed.

Abstract: A method for unpacking a workpiece, in particular an optical lens or an optical lens blank, from a package, includes an automated cutting open step of a first package side of the package, and an automated sliding of the workpiece out of the package step on the first package side. An unpacking apparatus for unpacking a workpiece from a package, has a feed station for receiving a package in which a workpiece is arranged, a cutting-open station having a first cutting or sawing tool for the automated cutting open of a first package side of the package downstream of the feed station, and a slide-out station downstream of the cutting-open station. A relative movement can be produced between the package and the workpiece in an automated manner so that the workpiece slides out of the package on the first package side.

Abstract: There is disclosed a block piece for holding an optical workpiece, in particular a spectacle lens, for machining thereof, which block piece comprises a basic body which has an end face, against which the workpiece can be blocked by means of a temporarily deformable material, and a clamping face via which the workpiece blocked on the basic body can be fixed on a spindle of a machining machine. According to the invention, the basic body is injection-molded from plastic and is provided on its end face with at least two cut-outs for receiving the temporarily deformable material, said cut-outs being arranged on either side of an imaginary plane which contains the central axis of the basic body, and the boundary face of said cut-outs which is closest to the central axis of the basic body in each case forms an undercut.

Abstract: There is disclosed a block piece for holding an optical workpiece, in particular a spectacle lens, for machining thereof, which block piece comprises a basic body which has an end face, against which the workpiece can be blocked by means of a temporarily deformable material, and a clamping face via which the workpiece blocked on the basic body can be fixed on a spindle of a machining machine. According to the invention, the basic body is injection-molded from plastic and is provided on its end face with at least two cut-outs for receiving the temporarily deformable material, said cut-outs being arranged on either side of an imaginary plane which contains the central axis of the basic body, and the boundary face of said cut-outs which is closest to the central axis of the basic body in each case forms an undercut.