US3744983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for forming spheres from molten fusible material
Assignee: Corning Glass Works
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Filing: 1971-08-19
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Granted: 1973-07-10
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Expires: 1991-08-19
Abstract
Abstract A METHOD AND APPARATUS ARE DISCLOSED FOR FORMING SIZED SPHERES OR BEADS OF A FUSIBLE MATERIAL SUCH AS GLASS. A VOLTAGE OF PROPER AMPLITUDE AND FREQUENCY, WHICH IS APPLIED TO A STREAM OF MOLTEN MATERIAL ISSUING FROM AN ORIFICE, ACTS AS A PERTURBATION ON THE STREAM AND ACCELERATES THE FORMATION OF DROPS THEREFROM. THE DROPS FORM SPHERES UNDER THE INFLUENCE OF SURFACE TENSION, AND THE SPHERES ARE COLLECTED IN A CONVENTIONAL MANNER.
Inventors
- 👤 W Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:27
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/10; C03B19/109; C03B19/1005; C03B19/1055; C03B5/00; C03B5/02; C03B5/027
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |