BR0106088A - Método de fabricação de um tubo de exibição - Google Patents
Método de fabricação de um tubo de exibiçãoInfo
- Publication number
- BR0106088A BR0106088A BR0106088-0A BR0106088A BR0106088A BR 0106088 A BR0106088 A BR 0106088A BR 0106088 A BR0106088 A BR 0106088A BR 0106088 A BR0106088 A BR 0106088A
- Authority
- BR
- Brazil
- Prior art keywords
- corners
- glass panel
- display tube
- making
- strength
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011521 glass Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000009826 distribution Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/10—Construction of plunger or mould for making hollow or semi-hollow articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/125—Cooling
- C03B11/127—Cooling of hollow or semi-hollow articles or their moulds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/244—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for cathode ray tubes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
"MéTODO DE FABRICAçãO DE UM TUBO DE EXIBIçãO". Para aumentar a resistência do painel de vidro, por exemplo, de um CRT, a temperatura de superfície do painel de vidro na superfície interna dos cantos é reduzida, durante a formação por prensagem, até um valor abaixo da temperatura de superfície na superfície interna no centro, a diferença sendo, de preferência, 50<198>C - 150<198>C. O resfriamento forçado nos cantos compensa o efeito de reaquecimento maior nos cantos do que no centro, que ocorre após a formação. Como uma conseq³ência desse efeito de compensação, uma distribuição mais homogênea das tensões de superfície é obtida, aumentando a resistência do painel de vidro.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00201498 | 2000-04-26 | ||
| PCT/EP2001/003568 WO2001082325A1 (en) | 2000-04-26 | 2001-03-29 | Method of manufacturing a cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR0106088A true BR0106088A (pt) | 2002-03-05 |
Family
ID=8171408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR0106088-0A BR0106088A (pt) | 2000-04-26 | 2001-03-29 | Método de fabricação de um tubo de exibição |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20020011081A1 (pt) |
| EP (1) | EP1279184A1 (pt) |
| JP (1) | JP2003531797A (pt) |
| KR (1) | KR20020030284A (pt) |
| CN (1) | CN1366700A (pt) |
| BR (1) | BR0106088A (pt) |
| TW (1) | TWI223313B (pt) |
| WO (1) | WO2001082325A1 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1382052A2 (en) * | 2001-04-19 | 2004-01-21 | Koninklijke Philips Electronics N.V. | Method for manufacturing a glass panel for a cathode ray tube |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2285596A (en) * | 1939-09-12 | 1942-06-09 | Corning Glass Works | Tempering glass |
| GB846467A (en) * | 1956-10-05 | 1960-08-31 | Nat Res Dev | Method of and apparatus for prestressing glass articles |
| US3567415A (en) * | 1968-09-16 | 1971-03-02 | Corning Glass Works | Method of correcting contours of television viewing panels |
| FR2610316B1 (fr) * | 1987-01-29 | 1992-11-13 | Saint Gobain Vitrage | Volumes de verre trempes par contact avec contraintes de bord renforcees |
| JP3671568B2 (ja) * | 1996-12-26 | 2005-07-13 | 旭硝子株式会社 | 陰極線管用パネルガラスの製造方法 |
-
2001
- 2001-03-29 BR BR0106088-0A patent/BR0106088A/pt not_active IP Right Cessation
- 2001-03-29 WO PCT/EP2001/003568 patent/WO2001082325A1/en not_active Application Discontinuation
- 2001-03-29 JP JP2001579322A patent/JP2003531797A/ja active Pending
- 2001-03-29 EP EP01921356A patent/EP1279184A1/en not_active Withdrawn
- 2001-03-29 CN CN01801044A patent/CN1366700A/zh active Pending
- 2001-03-29 KR KR1020017016606A patent/KR20020030284A/ko not_active Application Discontinuation
- 2001-04-23 US US09/840,210 patent/US20020011081A1/en not_active Abandoned
- 2001-05-04 TW TW090110739A patent/TWI223313B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001082325A1 (en) | 2001-11-01 |
| US20020011081A1 (en) | 2002-01-31 |
| TWI223313B (en) | 2004-11-01 |
| KR20020030284A (ko) | 2002-04-24 |
| EP1279184A1 (en) | 2003-01-29 |
| CN1366700A (zh) | 2002-08-28 |
| JP2003531797A (ja) | 2003-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1963 DE 19.08.2008. |