Method for producing a three-dimensional glass object and glass fibres suitable for therefor
A technology of glass fiber and three-dimensional glass, which is applied in the field of glass fiber and quartz glass objects for manufacturing three-dimensional glass objects, and can solve the problems of difficulty in maintaining the nominal profile and maintaining straight-line welding, etc.
Pending Publication Date: 2021-12-24
HERAEUS QUARZGLAS
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Problems solved by technology
In particular the twisting of the glass fibers about the longitudinal axis of the fibers makes it difficult to maintain the nominal contours preset by the model of the glass object and for example to maintain a rectilinear weld on the substrate
Method used
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no. 1 approach
[0056] figure 2 A microscope image showing a pre-experiment of a weld overlay using a reference glass fiber,
[0057] image 3 A microscope image showing a weld overlay pilot experiment using glass fibers of the present invention, and
[0058] Figure 4 Another embodiment of the experimental structure for carrying out the build-up welding experiment using the glass filament of this invention is shown.
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Abstract
Known method for producing a three-dimensional glass object comprises the steps of shaping a glass fibre, wherein the glass fibre provided with a protective sheath is continuously fed to a heating source, the protective sheath is removed under the influence of heat and the glass fibre is softened. According to the invention, in order to facilitate the production of filigree or optically distortion-free and transparent glass objects as much as possible and in particular to enable the adjustment of optical and mechanical properties with high spatial resolution, the glass fibre has a protective sheath with a layer thickness in the region of between 10 nm to 10 um.
Description
technical field [0001] The invention relates to a method for producing three-dimensional glass objects, in particular quartz glass objects, the method comprising forming glass fibers, wherein the glass fibers equipped with a protective sheath are continuously fed to a heat source, under the action of which the said The protective cover is removed and the fiberglass is softened. [0002] Furthermore, the invention relates to a glass fiber for producing a three-dimensional glass object, wherein the glass fiber is provided with a protective sheath. [0003] Intricate glass components are manufactured industrially by glass pressing techniques or fusion molding processes. These processes are time-consuming and require high processing temperatures as well as special tools and molds, which can lead to defects and damage inside and on the glass structure. [0004] Especially for the manufacture of models and prototypes or in the case of small objects and low numbers of parts, additi...
Claims
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IPC IPC(8): C03B37/15C03C25/24C03C25/25C03C25/32C03B37/12C03B23/00C03B20/00
CPCC03B37/15C03B37/12C03B20/00C03B23/00C03B23/006C03C25/24C03C25/32C03C25/25C03C25/002C03C25/40C03C25/30C03C25/321B29C64/118B33Y10/00B33Y70/00B33Y80/00B29C64/268C03B19/02B32B17/02C03B29/04C03B2201/02
Inventor M·S·赫纳A·霍夫曼
Owner HERAEUS QUARZGLAS
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