US3846097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for processing glass and forming fibers therefrom
Assignee: Owens Corning
•
Filing: 1972-07-24
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Granted: 1974-11-05
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Expires: 1992-07-24
Abstract
Abstract 1. A METHOD OF FORMING GLASS FIBERS COMPRISING: FEEDING STREAMS OF HEAT-SOFTENED GLASS FROM A WALL OF A STREAM FEEDER; FORMING THE GLASS STREAMS INTO FIBERS; SUPPLYING TO A REGION ADJACENT THE WALL A FOAM COMPRISING A LIQUID PHASE AND A GASEOUS PHASE; AD SUPPLYING A GAS FROM THE FOAM EFFECTIVE TO ESTABLISH AN ENVIRONMENT AT THE SURFACE OF THE WALL PROMOTING SEPARATION OF THE MOLTEN GLASS FROM THE SURFACE TO MINIMIZE WETTING OF SUCH SURFACE BY THE MOLTEN GLASS.
Inventors
- 👤 R Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:34
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0213; C03B37/0206; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF FORMING GLASS FIBERS COMPRISING: FEEDING STREAMS OF HEAT-SOFTENED GLASS FROM A WALL OF A STREAM FEEDER; FORMING THE GLASS STREAMS INTO FIBERS; SUPPLYING TO A REGION ADJACENT THE WALL A FOAM COMPRISING A LIQUID PHASE AND A GASEOUS PHASE; AD SUPPLYING A GAS FROM THE FOAM EFFECTIVE TO ESTABLISH AN ENVIRONMENT AT THE SURFACE OF THE WALL PROMOTING SEPARATION OF THE MOLTEN GLASS FROM THE SURFACE TO MINIMIZE WETTING OF SUCH SURFACE BY THE MOLTEN GLASS.
Claim 2
Independent Claim
79 words
A METHOD OF FORMING GLASS FIBERS COMPRISING: FEEDING STREAMS OF HEAT-SOFTENED GLASS FROM A WALL OF A STREAM FEEDER; FORMING THE GLASS STREAMS INTO FIBERS; SUPPLYING TO A REGION ADJACENT THE WALL A FOAM COMPRISING A LIQUID PHASE AND A GASEOUS PHASE; AD SUPPLYING A GAS FROM THE FOAM EFFECTIVE TO ESTABLISH AN ENVIRONMENT AT THE SURFACE OF THE WALL PROMOTING SEPARATION OF THE MOLTEN GLASS FROM THE SURFACE TO MINIMIZE WETTING OF SUCH SURFACE BY THE MOLTEN GLASS.
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |