US3301651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-drawing apparatus including reheating means for producing flat sheets
Assignee: G B D Holding SA
•
Filing: 1962-12-13
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Granted: 1967-01-31
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Long Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/20; C03B18/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN APPARATUS FOR PRODUCING FLAT GLASS OF SMALL THICKNESS, COMPRISING: A FLOW CHANNEL CONNECTED TO A TANK FURNACE FOR RECEIVING THEREFROM A FLOW OF LIQUID GLASS TO BE SOLIDIFIED INTO A SHEET WITHIN SAID CHANNEL; MOLTEN-METAL BATH MEANS IN SAID FLOW CHANNEL FOR SUPPORTING AND GUIDING SAID SHEET ALONG A SUBSTANTIALLY HORIZONTAL LINEAR PATH TO A DRAWING POINT; ENCLOSURE MEANS CONSTITUTING AN EXTENSION OF SAID FLOW CHANNEL AHEAD OF SAID DRAWING POINT, SAID ENCLOSURE MEANS INCLUDING A PAIR OF SIDE WALLS EXTENDING ALONG SAID PATH; RADIANT REHEATING MEANS IN SIAD ENCLOSURE MEANS EXTENDING TRANSVERSELY ABOVE SAID BATH MEANS FOR HEATING THE MOVING SHEET ON ITS PASSAGE THROUGH SAID EXTENSION OF THE FLOW CHANNEL; ROLLER MEANS AT SAID DRAWING POINT POSITIONED TO EXERT TRACTION UPON A CENTRAL SHEET PORTION SOFTENED BY SAID REHEATING MEANS; AND A PAIR OF HEAT SHIELDS ABOVE SAID BATH MEANS EXTENDING INWARDLY FROM SAID SIDE WALLS UNDERNEATH SAID REHEATING MEANS IN OVERLAPPING RELATIONSHIP WITH THE LATERAL SHEET EDGES FOR INTERCEPTING RADIATION DIRECTED FROM SAID REHEATING MEANS TOWARD SAID SHEET EDGES WHILE PERMITTING UNBINDERED IRRADIATION OF ONLY THE CENTRAL SHEET PORTION.
Claim 2
Independent Claim
183 words
AN APPARATUS FOR PRODUCING FLAT GLASS OF SMALL THICKNESS, COMPRISING: A FLOW CHANNEL CONNECTED TO A TANK FURNACE FOR RECEIVING THEREFROM A FLOW OF LIQUID GLASS TO BE SOLIDIFIED INTO A SHEET WITHIN SAID CHANNEL; MOLTEN-METAL BATH MEANS IN SAID FLOW CHANNEL FOR SUPPORTING AND GUIDING SAID SHEET ALONG A SUBSTANTIALLY HORIZONTAL LINEAR PATH TO A DRAWING POINT; ENCLOSURE MEANS CONSTITUTING AN EXTENSION OF SAID FLOW CHANNEL AHEAD OF SAID DRAWING POINT, SAID ENCLOSURE MEANS INCLUDING A PAIR OF SIDE WALLS EXTENDING ALONG SAID PATH; RADIANT REHEATING MEANS IN SIAD ENCLOSURE MEANS EXTENDING TRANSVERSELY ABOVE SAID BATH MEANS FOR HEATING THE MOVING SHEET ON ITS PASSAGE THROUGH SAID EXTENSION OF THE FLOW CHANNEL; ROLLER MEANS AT SAID DRAWING POINT POSITIONED TO EXERT TRACTION UPON A CENTRAL SHEET PORTION SOFTENED BY SAID REHEATING MEANS; AND A PAIR OF HEAT SHIELDS ABOVE SAID BATH MEANS EXTENDING INWARDLY FROM SAID SIDE WALLS UNDERNEATH SAID REHEATING MEANS IN OVERLAPPING RELATIONSHIP WITH THE LATERAL SHEET EDGES FOR INTERCEPTING RADIATION DIRECTED FROM SAID REHEATING MEANS TOWARD SAID SHEET EDGES WHILE PERMITTING UNBINDERED IRRADIATION OF ONLY THE CENTRAL SHEET PORTION.
References Cited (Backward Citations)
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US1128094A
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US1564240A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |