GB1260344A - Correcting contours of glass viewing panels - Google Patents
Correcting contours of glass viewing panelsInfo
- Publication number
- GB1260344A GB1260344A GB44737/69A GB4473769A GB1260344A GB 1260344 A GB1260344 A GB 1260344A GB 44737/69 A GB44737/69 A GB 44737/69A GB 4473769 A GB4473769 A GB 4473769A GB 1260344 A GB1260344 A GB 1260344A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panel
- glass
- gas
- glass viewing
- sept
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000011521 glass Substances 0.000 title abstract 4
- 239000007789 gas Substances 0.000 abstract 2
- 239000000112 cooling gas Substances 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
- H01J9/244—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for cathode ray tubes
-
- 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
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)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
1,260,344. Correcting contours of glass viewing panels. CORNING GLASS WORKS. 10 Sept., 1969 [16 Sept., 1968], No. 44737/69. Heading C1M. To correct the contour of the face plates of a glass viewing panel for cathode ray tubes prior to its-removal from the mould a stream of cooling gas such as air is directed into a corner area of the panel in a direction substantially normal to the surface of the panel for a period of time. The pressure of the gas may be 2 p.s.i. its temperature between 80 and 100 F. and said period of time 17 seconds. 'The forming mould 12,is carried on an indexing turret type of glass pressing machine, the gas being directed from a conduit 14 via a valve 16 on to the leading corner area B of the panel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75995768A | 1968-09-16 | 1968-09-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1260344A true GB1260344A (en) | 1972-01-12 |
Family
ID=25057587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB44737/69A Expired GB1260344A (en) | 1968-09-16 | 1969-09-10 | Correcting contours of glass viewing panels |
Country Status (7)
Country | Link |
---|---|
US (1) | US3567415A (en) |
BE (1) | BE738916A (en) |
BR (1) | BR6912310D0 (en) |
DE (1) | DE1945852A1 (en) |
FR (1) | FR2019446A1 (en) |
GB (1) | GB1260344A (en) |
NL (1) | NL6913993A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001082325A1 (en) * | 2000-04-26 | 2001-11-01 | Koninklijke Philips Electronics N.V. | Method of manufacturing a cathode ray tube |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3923488A (en) * | 1974-04-26 | 1975-12-02 | Ppg Industries Inc | Method of tempering flat glass sheets |
JP3671568B2 (en) * | 1996-12-26 | 2005-07-13 | 旭硝子株式会社 | Method for producing cathode ray tube panel glass |
KR20030011357A (en) * | 2001-04-19 | 2003-02-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Method for manufacturing a glass panel for a cathode ray tube |
-
1968
- 1968-09-16 US US759957A patent/US3567415A/en not_active Expired - Lifetime
-
1969
- 1969-09-10 GB GB44737/69A patent/GB1260344A/en not_active Expired
- 1969-09-10 BR BR212310/69A patent/BR6912310D0/en unknown
- 1969-09-10 DE DE19691945852 patent/DE1945852A1/en active Pending
- 1969-09-15 NL NL6913993A patent/NL6913993A/xx unknown
- 1969-09-16 FR FR6931395A patent/FR2019446A1/fr not_active Withdrawn
- 1969-09-16 BE BE738916D patent/BE738916A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001082325A1 (en) * | 2000-04-26 | 2001-11-01 | Koninklijke Philips Electronics N.V. | Method of manufacturing a cathode ray tube |
Also Published As
Publication number | Publication date |
---|---|
BR6912310D0 (en) | 1973-01-30 |
BE738916A (en) | 1970-03-16 |
NL6913993A (en) | 1970-03-18 |
US3567415A (en) | 1971-03-02 |
FR2019446A1 (en) | 1970-07-03 |
DE1945852A1 (en) | 1970-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PLNP | Patent lapsed through nonpayment of renewal fees |