Patent US3224852A successfully refreshed from Google Patents.
US3224852A
Expired / Lapsed
US
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Apparatus for forming fibers
Assignee: Owens Corning
•
Filing: 1961-12-28
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Granted: 1965-12-21
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Charles J Stalego
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:01
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06; Y; Y10; Y10S; Y10S264/00; Y10S264/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
APPARATUS FOR FORMING FIBERS FROM HEAT-SOFTENABLE MINERAL MATERIAL IN A MOLTEN STATE INCLUDING, IN COMBINATION, AN ELONGATED TUBULAR CHAMBER, MEANS FOR DELIVERING COMBUSTIBLE GASES INTO ONE END OF THE TUBULAR CHAMBER, THE COMBUSTIBLE GASES ADAPTED TO BE BURNED IN THE TUBULAR CHAMBER TO PROVIDE A HOT HIGH VELOCITY BLAST OF GASES OF COMBUSTION, THE GASES OF COMBUSTION PROVIDING THE BLAST BEING PROJECTED THROUGH THE OTHER END OF THE TUBULAR CHAMBER, RECEPTACLE MEANS ADAPTED TO CONTAIN HEAT-SOFTENED MINERAL MATERIAL, A PLURALITY OF SPACED BAFFLES HAVING OPENINGS THEREIN DISPOSED IN THE RECEPTACLE, THE GASES OF THE BLAST PASSING THROUGH OPENINGS IN THE BAFFLES WHEREBY THE BLAST ENTRAINS THE MOLTEN MATERIAL ADJACENT THE BAFFLES AND ATTENUATES THE ENTRAINED MATERIAL TO FIBERS BY THE VELOCITY OF THE BLAST.
Claim 2
Dependent Claim
124 words
APPARATUS FOR FORMING FIBERS FROM HEAT-SOFTENABLE MINERAL MATERIAL IN A MOLTEN STATE INCLUDING, IN COMBINATION, AN ELONGATED TUBULAR CHAMBER, MEANS FOR DELIVERING COMBUSTIBLE GASES INTO ONE END OF THE TUBULAR CHAMBER, THE COMBUSTIBLE GASES ADAPTED TO BE BURNED IN THE TUBULAR CHAMBER TO PROVIDE A HOT HIGH VELOCITY BLAST OF GASES OF COMBUSTION, THE GASES OF COMBUSTION PROVIDING THE BLAST BEING PROJECTED THROUGH THE OTHER END OF THE TUBULAR CHAMBER, RECEPTACLE MEANS ADAPTED TO CONTAIN HEAT-SOFTENED MINERAL MATERIAL, A PLURALITY OF SPACED BAFFLES HAVING OPENINGS THEREIN DISPOSED IN THE RECEPTACLE, THE GASES OF THE BLAST PASSING THROUGH OPENINGS IN THE BAFFLES WHEREBY THE BLAST ENTRAINS THE MOLTEN MATERIAL ADJACENT THE BAFFLES AND ATTENUATES THE ENTRAINED MATERIAL TO FIBERS BY THE VELOCITY OF THE BLAST.
References Cited (Backward Citations)
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |