US3347648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning glass filaments
Assignee: Certain Teed Fiber Glass Corp
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Filing: 1964-08-19
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Granted: 1967-10-17
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Krakauer Sidney
- 👤 Musikant Solomon
- 👤 David J Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:09
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR PREPARING GLASS FILAMENTS WHICH COMPRISES PROJECTING SMALL STREAMS OF MOLTEN GLASS GENERALLY HORIZONTALLY, DIRECTING A GASEOUS BLAST AGAINST THE GLASS STREAMS IN A GENERALLY DOWNWARD DIRECTION TO DOWNWARDLY ATTENUATE THE GLASS AND THEREBY FORM FILAMENTS, SPRAYING WATER AGAINST THE ATTENUATING FILAMENTS IN A DIRECTION TRANSVERSE THE DIRECTION OF ATTENUATION, AND SPRAYING LIQUID BINDER RESIN AGAINST THE FILAMENTS IN A ZONE BELOW THE WATER SPRAY, THE WATER SPRAY SERVING TO COOL THE GASEOUS BLAST AND THE FIBERS ABOVE THE BINDER SPRAY, TO THEREBY MINIMIZE PRECURING OF THE BINDER IN THE ZONE IN WHICH IT IS SPRAYED AGAINST THE ATTENUATING FILAMENTS.
Claim 2
Dependent Claim
102 words
A PROCESS FOR PREPARING GLASS FILAMENTS WHICH COMPRISES PROJECTING SMALL STREAMS OF MOLTEN GLASS GENERALLY HORIZONTALLY, DIRECTING A GASEOUS BLAST AGAINST THE GLASS STREAMS IN A GENERALLY DOWNWARD DIRECTION TO DOWNWARDLY ATTENUATE THE GLASS AND THEREBY FORM FILAMENTS, SPRAYING WATER AGAINST THE ATTENUATING FILAMENTS IN A DIRECTION TRANSVERSE THE DIRECTION OF ATTENUATION, AND SPRAYING LIQUID BINDER RESIN AGAINST THE FILAMENTS IN A ZONE BELOW THE WATER SPRAY, THE WATER SPRAY SERVING TO COOL THE GASEOUS BLAST AND THE FIBERS ABOVE THE BINDER SPRAY, TO THEREBY MINIMIZE PRECURING OF THE BINDER IN THE ZONE IN WHICH IT IS SPRAYED AGAINST THE ATTENUATING FILAMENTS.
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |