Back to results
US 12,157,694 B2Granted
Method of producing an optical element from glass
AssigneeDocter Optics SE
InventorsChristoph Priese, Alexander Kuppe, Thomas Lehmann
Life of this patent
Estimating the term…
Abstract
The invention relates to a method for producing an optical element from glass, wherein a portion of glass or a glass blank is blank-pressed, in particular on both sides, to form the optical element, wherein the optical element is then placed on a transport element and passes through a cooling path with the transport element, without the optical surface of the optical element being touched.
Claims22
A method for producing vehicle headlight lens from glass, the method comprising:
- providing a heating station;
- providing a cooling path separate from the heating station;
- providing a support device;
- providing a blank of glass;
- heating the blank deposited on the support device;
- providing a transport element with a support surface;
- heating the transport element in the heating station;
- press-molding the blank of glass to form a vehicle headlight lens having a light inlet surface within an intended light path for the vehicle headlight lens, a light outlet surface within the intended light path for the vehicle headlight lens, and a support surface outside the intended light path for the vehicle headlight lens;
- subsequently depositing the vehicle headlight lens on the heated transport element such that the support surface of the transport element being in contact with a support surface of the vehicle headlight lens;
- passing the transport element together with the vehicle headlight lens through the cooling path, without the light inlet surface of the vehicle headlight lens being touched and without the light outlet surface of the vehicle headlight lens being touched;
- cooling the headlight lens in the cooling path with the addition of heat;
- afterwards separating the transport element and the vehicle headlight lens;
- and
- returning the transport element to the heating station.
11 more elements
A method for manufacturing a vehicle headlight lens from glass, the method comprising:
- providing a heating station;
- providing a cooling path comprising a tunnel;
- providing a support device;
- providing a blank of glass;
- heating the blank deposited on the support device;
- providing a transport element with a support surface;
- inductively heating the transport element in the heating station;
- press-molding the blank of glass to form a vehicle headlight lens having a light inlet surface within an intended light path for the vehicle headlight lens, a light outlet surface within the intended light path for the vehicle headlight lens, and a support surface outside the intended light path for the vehicle headlight lens;
- subsequently depositing the vehicle headlight lens on the heated transport element such that the support surface of the transport element being in contact with a support surface of the vehicle headlight lens;
- passing the transport element together with the vehicle headlight lens through the cooling path, without the light inlet surface of the vehicle headlight lens being touched and without the light outlet surface of the vehicle headlight lens being touched;
- cooling the headlight lens in the cooling path with the addition of heat;
- afterwards separating the transport element and the vehicle headlight lens at the end of the cooling path;
- and
- returning the transport element to the heating station.
11 more elements
Dependencies are inferred from the claim text.