CA1049787A - Positive containment threshold for use in glass manufacturing apparatus - Google Patents
Positive containment threshold for use in glass manufacturing apparatusInfo
- Publication number
- CA1049787A CA1049787A CA222,083A CA222083A CA1049787A CA 1049787 A CA1049787 A CA 1049787A CA 222083 A CA222083 A CA 222083A CA 1049787 A CA1049787 A CA 1049787A
- Authority
- CA
- Canada
- Prior art keywords
- glass
- base member
- refractory
- threshold
- forming chamber
- 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 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000006060 molten glass Substances 0.000 claims abstract description 35
- 238000007496 glass forming Methods 0.000 claims abstract description 14
- 239000005357 flat glass Substances 0.000 claims abstract description 5
- 238000005816 glass manufacturing process Methods 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 229940000425 combination drug Drugs 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
- C03B5/265—Overflows; Lips; Tweels
- C03B5/267—Overflows; Lips; Tweels specially adapted for supplying the float tank
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
- C03B18/04—Changing or regulating the dimensions of the molten glass ribbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US455441A US3898069A (en) | 1974-03-27 | 1974-03-27 | Positive containment threshold for use in glass manufacturing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1049787A true CA1049787A (en) | 1979-03-06 |
Family
ID=23808824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA222,083A Expired CA1049787A (en) | 1974-03-27 | 1975-03-14 | Positive containment threshold for use in glass manufacturing apparatus |
Country Status (11)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045203A (en) * | 1976-03-26 | 1977-08-30 | Ppg Industries, Inc. | Composite seal for a glass forming chamber |
| US4040809A (en) * | 1976-03-26 | 1977-08-09 | Ppg Industries, Inc. | Glazed refractory support for delivering glass to a forming chamber |
| US4036626A (en) * | 1976-05-18 | 1977-07-19 | Ppg Industries, Inc. | Metallic seal for preventing tin leaks in a float glass furnace |
| US4360373A (en) * | 1981-04-02 | 1982-11-23 | Ppg Industries, Inc. | Method of and apparatus for controlling erosion of a refractory threshold |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US710357A (en) * | 1902-01-25 | 1902-09-30 | John H Forrest | Manufacture of window and plate glass. |
| US789911A (en) * | 1902-07-30 | 1905-05-16 | Halbert K Hitchcock | Apparatus for manufacturing glass sheets or plates. |
| US1564240A (en) * | 1925-02-05 | 1925-12-08 | Hitchcock Experiment Company | Process and apparatus for making sheet glass |
| US3567414A (en) * | 1963-01-12 | 1971-03-02 | Saint Gobain | Method and apparatus for supporting glass sheet by combined action of liquid and gas |
| FR1388784A (fr) * | 1963-11-28 | 1965-02-12 | Procédé de fabrication d'un ruban continu de verre | |
| ES340737A1 (es) * | 1966-06-17 | 1968-06-01 | Pittsburgh Plate Glass Co | Un procedimiento de fabricacion de una cinta de vidrio pla-no. |
| DE1596423B2 (de) * | 1967-06-07 | 1970-11-12 | Erste Deutsche Floatglas Gmbh & Co Ohg, 5050 Porz | Verfahren und Vorrichtung zur Regelung der aus einem Glaswannenofen durch einen Kanal ausfließenden Glasmenge |
| US3743495A (en) * | 1971-04-12 | 1973-07-03 | Libbey Owens Ford Co | Apparatus for producing float glass |
-
1974
- 1974-03-27 US US455441A patent/US3898069A/en not_active Expired - Lifetime
-
1975
- 1975-03-13 GB GB10417/75A patent/GB1499342A/en not_active Expired
- 1975-03-13 FR FR7507862A patent/FR2265696B1/fr not_active Expired
- 1975-03-14 BE BE154342A patent/BE826698A/xx not_active IP Right Cessation
- 1975-03-14 IT IT67655/75A patent/IT1030350B/it active
- 1975-03-14 CA CA222,083A patent/CA1049787A/en not_active Expired
- 1975-03-17 DK DK108275A patent/DK108275A/da not_active Application Discontinuation
- 1975-03-22 DE DE2512748A patent/DE2512748C3/de not_active Expired
- 1975-03-25 ES ES435991A patent/ES435991A1/es not_active Expired
- 1975-03-25 AR AR258102A patent/AR202349A1/es active
- 1975-03-26 JP JP3652575A patent/JPS5413249B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265696A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-10-24 |
| JPS5413249B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-29 |
| IT1030350B (it) | 1979-03-30 |
| AU7904275A (en) | 1976-09-16 |
| US3898069A (en) | 1975-08-05 |
| FR2265696B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-04-15 |
| GB1499342A (en) | 1978-02-01 |
| DE2512748B2 (de) | 1977-10-27 |
| DE2512748A1 (de) | 1975-10-02 |
| AR202349A1 (es) | 1975-05-30 |
| BE826698A (fr) | 1975-09-15 |
| ES435991A1 (es) | 1976-12-16 |
| DE2512748C3 (de) | 1978-06-15 |
| JPS50138009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-04 |
| DK108275A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-28 |
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