US3352653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blast nozzle for forming silicate fibers
Assignee: Saint Gobain Isover G+H AG
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Filing: 1964-03-30
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Granted: 1967-11-14
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Speth Sebastian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN AN APPARATUS FOR MAKING SILICATE FIBERS SUCH AS GLASS FIBERS AND MINERAL WOOL FROM MOLTEN SILICATES SUCH AS GLASS AND SILICATE MINERALS, IN COMBINATION, A PAIR OF ELONGATED SUBSTANTIALLY COEXTENSIVE NOZZLE MEANS LOCATED BESIDE EACH OTHER AT APPROXIMATELY THE SAME ELEVATION AND DEFINING BETWEEN THEMSELVES AN ELONGATED GAP, SAID NOZZLE MEANS BOTH DIRECTING CURTAINS OF HOT FLUID DOWNWARDLY THROUGH SAID GAP; AND ELONGATED TROUGH MEANS LOCATED OVER SAID GAP AND HAVING BOTTOM OUTLET MEANS EXTENDING ALONG AND ALIGNED WITH SAID GAP SO THAT MOLTEN SILICATE IN SAID TROUGH MEANS WILL FLOW THROUGH SAID OUTLET MEANS THEREOF TO DROP THROUGH SAID GAP INTO THE DOWNWARDLY MOVING CURTAINS OF HOT FLUID TO BE CONVERTED INTO SILICATE FIBERS, SAID PAIR OF NOZZLE MEANS HAVING WALL PORTIONS WHICH ARE RESPECTIVELY DIRECTED TOWARD EACH OTHER AND DEFINE AT LEAST PART OF SAID GAP AND WHICH AT LEAST DIRECTLY ADJACENT SAID GAP CONSIST ESSENTIALLY OF NICKEL.
Claim 2
Dependent Claim
151 words
IN AN APPARATUS FOR MAKING SILICATE FIBERS SUCH AS GLASS FIBERS AND MINERAL WOOL FROM MOLTEN SILICATES SUCH AS GLASS AND SILICATE MINERALS, IN COMBINATION, A PAIR OF ELONGATED SUBSTANTIALLY COEXTENSIVE NOZZLE MEANS LOCATED BESIDE EACH OTHER AT APPROXIMATELY THE SAME ELEVATION AND DEFINING BETWEEN THEMSELVES AN ELONGATED GAP, SAID NOZZLE MEANS BOTH DIRECTING CURTAINS OF HOT FLUID DOWNWARDLY THROUGH SAID GAP; AND ELONGATED TROUGH MEANS LOCATED OVER SAID GAP AND HAVING BOTTOM OUTLET MEANS EXTENDING ALONG AND ALIGNED WITH SAID GAP SO THAT MOLTEN SILICATE IN SAID TROUGH MEANS WILL FLOW THROUGH SAID OUTLET MEANS THEREOF TO DROP THROUGH SAID GAP INTO THE DOWNWARDLY MOVING CURTAINS OF HOT FLUID TO BE CONVERTED INTO SILICATE FIBERS, SAID PAIR OF NOZZLE MEANS HAVING WALL PORTIONS WHICH ARE RESPECTIVELY DIRECTED TOWARD EACH OTHER AND DEFINE AT LEAST PART OF SAID GAP AND WHICH AT LEAST DIRECTLY ADJACENT SAID GAP CONSIST ESSENTIALLY OF NICKEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |