JP2016511738A - 成形ガラス品を形成するための方法及び装置 - Google Patents
成形ガラス品を形成するための方法及び装置 Download PDFInfo
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- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910001413 alkali metal ion Inorganic materials 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
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- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
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- 239000010432 diamond Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006025 fining agent Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/0235—Re-forming glass sheets by bending involving applying local or additional heating, cooling or insulating means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2225/00—Transporting hot glass sheets during their manufacture
- C03B2225/02—Means for positioning, aligning or orientating the sheets during their travel, e.g. stops
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Description
一実施形態において、ガラス体はアルカリアルミノケイ酸ガラスでつくられる。
(1)ガラス平坦領域70のガラス粘度が1010.1ポアズ以上にある、
(2)金型面平坦領域32がT11.3より低い温度にある、ここでT11.3はガラス粘度が1011.3ポアズになる温度である、
(3)ガラスベンド領域74におけるガラス粘度が109.9ポアズ以下である、
(4)金型面湾曲領域36またはベンド及びコーナーを含む金型面湾曲領域36の部分がT11.7より高い温度にある、ここでT11.7はガラス粘度が1011.7ポアズになる温度である、
が成立している。術語「ガラス粘度」はガラス板60のガラス組成に基づく。したがって、上に挙げた温度の実値はガラス組成毎に変わるであろう。
12,12a ガラス品平坦区画
13,13a,13b 周縁/縁辺
14,14a,14b ガラス品湾曲区画
16,16a,16b ガラス品湾曲区画のベンド
17 ガラス品湾曲区画のコーナー
20,20a 金型
22,22a 金型本体
24 金型本体上面
26,26a 金型キャビティ
28 位置合わせピン
30,30a 金型面
32,32a 金型面平坦領域
33,33a,33b 金型面平坦領域周縁
34,34a,34b 金型面湾曲領域
36,36a,36b 金型面湾曲領域のベンド
37 金型面湾曲領域のコーナー
38,38a,38b 真空プレナム
40,40a,40b 真空開口
42 (真空)ポート
44,44a 冷却装置
46 冷却チャンバ
48a,48b 冷却チャンバの対向する端面
50,52 (冷却チャンバ)流入ポート
54 (冷却チャンバ)流出ポート
56 冷却流体
58 流出冷却流体
60 ガラス板
64 炉
66 主ヒータ
70 ガラス平坦領域
72 ガラス湾曲領域
74 ガラスベンド領域
75,75a,75b 補助ヒータ
78 反射器
Claims (8)
- 成形ガラス品を形成する方法において、
選ばれた成形ガラス品プロファイルをもつ金型面を有する金型上にガラス板を置く工程であって、前記ガラス板の第1のガラス領域が前記金型面の第1の金型面領域に対応し、前記ガラス板の第2のガラス領域が前記金型面の第2の金型面領域に対応するように、置く工程、
前記第1のガラス領域及び前記第2のガラス領域を1010.1ポアズと109ポアズの間のガラス粘度まで加熱する工程、
前記第2のガラス領域の前記ガラス粘度が前記第1のガラス領域の前記ガラス粘度より8ポアズ以上低くなるように、前記第2のガラス領域を109.9ポアズ以下のガラス粘度まで局所加熱する工程、
前記ガラス板を前記金型面と同形にするため、前記第2のガラス領域が109.9ポアズ以下のガラス粘度にあるときに前記ガラス板に力を印加する工程、及び
前記第2のガラス領域の前記局所加熱中、前記第1のガラス領域の前記ガラス粘度を109.9ポアズより高いままにしておく温度勾配を前記金型面上に誘起するために前記第1の金型面領域を局所冷却する工程、
を含むことを特徴とする方法。 - 前記第1の金型面領域の前記局所冷却工程が、前記第2のガラス領域の前記局所加熱工程の少なくとも一部の間は前記第1のガラス領域の前記ガラス粘度が1010.9ポアズ以上に維持され、前記局所冷却工程中に前記第1の金型面領域にかかる最大温度勾配が20℃未満に維持されるような、局所冷却工程であることを特徴とする請求項1に記載の方法。
- 力を印加する前記工程がベンドに配置された少なくとも1つの真空開口を介して前記第2のガラス領域において真空を発生させる工程を含み、必要に応じて、前記真空を発生させる工程が第1の期間に第1の真空圧をもつ真空を発生させる工程及び、これに続く、第2の期間に第2の真空圧をもつ真空を発生させる工程を含み、前記第2の真空圧は前記第1の真空圧に比較して減じられることを特徴とする請求項1または2に記載の方法。
- 1010.1ポアズ以上のガラス粘度まで前記第1のガラス領域及び前記第2のガラス領域を加熱する前記工程が第1の炉または第1の組の炉ゾーンにおいて行われ、109.9ポアズ以下のガラス粘度までの前記第2のガラス領域の局所加熱が、前記第1の炉または前記第1の組の炉ゾーンとは異なる、第2の炉または第2の組の炉ゾーンにおいて行われることを特徴とする請求項1から3のいずれかに記載の方法。
- 成形ガラス品を形成するためのシステムにおいて、
第1の金型面領域及び第2の金型面領域を有する金型であって、前記第1の金型面領域は実質的に平坦な領域を有し、前記第2の金型面領域は少なくとも1つのベンド及び前記ベンドに配置された少なくとも1つの開口を有するものである金型、
前記金型に結合され、前記第1の金型面領域の強制空冷のために構成された、冷却装置、
前記金型に結合され、前記少なくとも1つの開口を介して前記第2の金型面領域と通じている、真空プレナム、
前記第2の金型面領域に局所化された熱を供給するための、前記第2の金型面領域に対向して配置されたヒータアセンブリ、及び
炉、
を備え、
前記金型、前記冷却装置、前記真空プレナム及び前記ヒータアセンブリが前記炉内に配置される、
ことを特徴とするシステム。 - 前記ヒータアセンブリが1000℃から1450℃の範囲にあるヒータ温度を有する少なくとも1つの輻射ヒータを含むことを特徴とする請求項5に記載のシステム。
- 前記ヒータアセンブリが2.0μmから2.7μmの範囲にあるピーク波長を有する少なくとも1つの輻射ヒータを含むことを特徴とする請求項5または6に記載のシステム。
- 前記ヒータアセンブリが少なくとも1つの輻射ヒータ及び、前記少なくとも1つの輻射ヒータからの熱を前記第2の金型面領域に集中させるために配置された、反射器を含むことを特徴とする請求項5から7のいずれかに記載のシステム。
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US201361766878P | 2013-02-20 | 2013-02-20 | |
US61/766,878 | 2013-02-20 | ||
PCT/US2014/016172 WO2014130331A1 (en) | 2013-02-20 | 2014-02-13 | Method and apparatus for forming shaped glass articles |
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JP2018089120A Expired - Fee Related JP6725582B2 (ja) | 2013-02-20 | 2018-05-07 | 成形ガラス品を形成するための方法及び装置 |
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US (3) | US9550695B2 (ja) |
EP (1) | EP2958863B1 (ja) |
JP (2) | JP6337022B2 (ja) |
KR (1) | KR102157751B1 (ja) |
CN (1) | CN105793203B (ja) |
TW (2) | TWI702191B (ja) |
WO (1) | WO2014130331A1 (ja) |
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WO2018174033A1 (ja) * | 2017-03-23 | 2018-09-27 | Agc株式会社 | 移動体用ガラス板および表示装置 |
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JP6725582B2 (ja) | 2020-07-22 |
CN105793203B (zh) | 2022-03-01 |
EP2958863A1 (en) | 2015-12-30 |
WO2014130331A1 (en) | 2014-08-28 |
US20180134602A1 (en) | 2018-05-17 |
TWI702191B (zh) | 2020-08-21 |
TWI625310B (zh) | 2018-06-01 |
TW201437159A (zh) | 2014-10-01 |
JP6337022B2 (ja) | 2018-06-06 |
KR20150121101A (ko) | 2015-10-28 |
US9550695B2 (en) | 2017-01-24 |
TW201840490A (zh) | 2018-11-16 |
CN105793203A (zh) | 2016-07-20 |
US9938179B2 (en) | 2018-04-10 |
JP2018150235A (ja) | 2018-09-27 |
EP2958863B1 (en) | 2018-09-26 |
US20140234581A1 (en) | 2014-08-21 |
KR102157751B1 (ko) | 2020-09-21 |
US20170113959A1 (en) | 2017-04-27 |
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