JPWO2020259898A5 - - Google Patents

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JPWO2020259898A5
JPWO2020259898A5 JP2021576967A JP2021576967A JPWO2020259898A5 JP WO2020259898 A5 JPWO2020259898 A5 JP WO2020259898A5 JP 2021576967 A JP2021576967 A JP 2021576967A JP 2021576967 A JP2021576967 A JP 2021576967A JP WO2020259898 A5 JPWO2020259898 A5 JP WO2020259898A5
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protective coating
glass fiber
range
glass
glass fibers
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JP2021576967A
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JP2022538147A (en
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Priority claimed from EP19182983.7A external-priority patent/EP3757081A1/en
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ここで、最小直径３０ｃｍの巻き取りリールに巻かれたガラス繊維２は、繊維誘導システム（図には示されていない）によって巻き取りリールから連続的に巻き戻され、ガイドスリーブ２４を通って溶融領域６ａに供給される。溶融領域６ａでは、焦点がぼかされたレーザービーム３が加熱源として機能する。熱分布のピークは、レーザービーム３の周りの破線として図に示されている焦点ぼけによって補償される。理想的には、レーザービーム３は、衝突点で、溶融されるガラス繊維２の直径の約２倍の幅であり、そのため、ガラス繊維２とその周辺領域の両方、特に基板７が加熱される。 Here, the glass fibers 2 wound on a take-up reel with a minimum diameter of 30 cm are continuously unwound from the take-up reel by a fiber guidance system (not shown in the figure) and melted through the guide sleeve 24. It is supplied to region 6a. In the melting region 6a a defocused laser beam 3 acts as a heating source. The thermal distribution peaks are compensated by the defocusing shown in the figure as dashed lines around the laser beam 3 . Ideally, the laser beam 3 is about twice as wide as the diameter of the glass fiber 2 to be melted at the point of impact, so that both the glass fiber 2 and its surrounding area, especially the substrate 7, are heated. .

Claims (16)

ガラスから三次元物体（１）を製造する方法であって、
ガラス繊維（２）の成形ステップを含み、該ステップでは、保護被膜（２２）を備えた前記ガラス繊維（２）が、加熱源（３）に連続的に供給され、前記保護被膜（２２）が、熱の影響下で除去され、及び、前記ガラス繊維（２）が軟化され、
前記ガラス繊維（２）が、１０ｎｍから１０μｍの範囲の層厚の保護被膜（２２）を有することを特徴とする三次元物体（１）を製造する方法。 A method of manufacturing a three-dimensional object (1) from glass , comprising:
forming a glass fiber (2), wherein said glass fiber (2) with a protective coating (22) is continuously fed to a heating source (3), said protective coating (22) , is removed under the influence of heat and the glass fibers (2) are softened,
A method for producing a three-dimensional object (1), characterized in that said glass fibers (2) have a protective coating (22) with a layer thickness in the range from 10 nm to 10 μm. ５０ｎｍから５μｍの範囲の層厚を有する保護被膜（２２）を備えたガラス繊維（２）が用いられることを特徴とする請求項１に記載の方法。 2. Method according to claim 1, characterized in that glass fibers (2) with a protective coating (22) with a layer thickness in the range from 50 nm to 5 [mu]m are used. 前記ガラス繊維（２）が、少なくとも３００ｍｍ／分の供給速度で前記加熱源（３）に供給されることを特徴とする請求項１又は請求項２に記載の方法。 3. A method according to claim 1 or 2, characterized in that the glass fibers (2) are fed to the heating source (3) at a feed rate of at least 300 mm/min . ２０μｍから１０００μｍの範囲の直径を有するガラス繊維（２）が用いられることを特徴とする請求項１から請求項３のいずれか１項に記載の方法。 4. A method according to any one of claims 1 to 3, characterized in that glass fibers (2) with a diameter in the range from 20 [mu]m to 1000 [mu]m are used . 前記保護被膜（２２）が除去された、長手方向部（２３）は、０．５から２ｃｍの範囲の長さを有することを特徴とする請求項１から請求項４のいずれか１項に記載の方法。 5. A longitudinal section (23) from which the protective coating (22) has been removed has a length in the range from 0.5 to 2 cm. the method of. 前記保護被膜（２２）は、炭素、珪素、水素、窒素、及び酸素の成分のみで構成されていることを特徴とする請求項１から請求項５のいずれか１項に記載の方法。 6. A method according to any one of claims 1 to 5, characterized in that the protective coating (22) consists exclusively of the constituents carbon, silicon, hydrogen, nitrogen and oxygen. 前記保護被膜（２２）の分解温度が４００℃未満であることを特徴とする請求項１から請求項６のいずれか１項に記載の方法。 A method according to any one of the preceding claims, characterized in that the decomposition temperature of the protective coating (22) is less than 400°C. 前記保護被膜（２２）は有機材料からなることを特徴とする請求項１から請求項７のいずれか１項に記載の方法。 A method according to any one of claims 1 to 7, characterized in that the protective coating (22) consists of an organic material . 前記保護被膜（２２）は、１つ以上の、フッ素を含まないシラン類及び／又はフッ素を含まない界面活性剤から作製されることを特徴とする請求項１から請求項８のいずれか１項に記載の方法。 9. Any one of claims 1 to 8, wherein the protective coating (22) is made from one or more fluorine-free silanes and/or fluorine-free surfactants. The method described in section. 前記保護被膜（２２）は、浸漬又はローラーコーティングによって前記ガラス繊維（２）上に作製されることを特徴とする請求項１から請求項９のいずれか１項に記載の方法。 10. A method according to any one of the preceding claims, characterized in that the protective coating (22) is produced on the glass fibers (2) by dipping or roller coating. ガラスから三次元物体（１）を製造するためのガラス繊維であって、前記ガラス繊維（２）は、１０ｎｍから１０μｍの範囲の層厚の保護被膜（２２）を備えていることを特徴とするガラス繊維。 A glass fiber for producing a three-dimensional object (1) from glass, characterized in that said glass fiber (2) is provided with a protective coating (22) with a layer thickness in the range from 10 nm to 10 μm. fiberglass. 前記保護被膜（２２）が、５０ｎｍから５μｍの範囲の層厚を有することを特徴とする請求項１１に記載のガラス繊維。 12. Glass fiber according to claim 11, characterized in that the protective coating (22) has a layer thickness in the range from 50 nm to 5 [mu]m. 前記ガラス繊維（２）が、２０μｍから１０００μｍの範囲の直径を有することを特徴とする請求項１１又は請求項１２に記載のガラス繊維。 13. Glass fiber according to claim 11 or 12, characterized in that the glass fiber (2) has a diameter in the range from 20 [mu]m to 1000 [mu]m. 最小巻き取り直径３０ｃｍ未満の巻き取りリールに巻かれていることを特徴とする請求項１１から請求項１３のいずれか１項に記載のガラス繊維。 14. A glass fiber according to any one of claims 11 to 13, which is wound on a take-up reel with a minimum take-up diameter of less than 30 cm. 前記保護被膜（２２）は、分解温度が４００℃未満の有機材料を含むことを特徴とする請求項１１から請求項１４のいずれか１項に記載のガラス繊維。 15. Glass fiber according to any one of claims 11 to 14, characterized in that the protective coating (22) comprises an organic material with a decomposition temperature of less than 400<0>C. 前記保護被膜（２２）は有機材料からなることを特徴とする請求項１１から請求項１５のいずれか１項に記載のガラス繊維。 16. Glass fiber according to any one of claims 11 to 15, characterized in that the protective coating (22) consists of an organic material .
JP2021576967A 2019-06-27 2020-04-30 Method for producing three-dimensional glass object and glass fiber suitable for it Pending JP2022538147A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19182983.7A EP3757081A1 (en) 2019-06-27 2019-06-27 Method for manufacturing a three-dimensional object made of glass and corresponding glass fibre
EP19182983.7 2019-06-27
PCT/EP2020/062022 WO2020259898A1 (en) 2019-06-27 2020-04-30 Method for producing a three-dimensional glass object and glass fibres suitable for therefor

Publications (2)

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JP2022538147A JP2022538147A (en) 2022-08-31
JPWO2020259898A5 true JPWO2020259898A5 (en) 2023-05-11

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US (1) US20220267188A1 (en)
EP (2) EP3757081A1 (en)
JP (1) JP2022538147A (en)
CN (1) CN113840809B (en)
WO (1) WO2020259898A1 (en)

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Publication number Priority date Publication date Assignee Title
EP4370308A1 (en) * 2021-07-14 2024-05-22 FOKINE, Michael Method and apparatus for additive manufacturing of a glass object
WO2023285338A1 (en) 2021-07-14 2023-01-19 Michael Fokine Method and apparatus for additive manufacturing of glass

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