US3285722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing fibers from thermoplastic material
Assignee: Compagnie de Saint Gobain SA
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Filing: 1963-10-25
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Granted: 1966-11-15
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Levecque Marcel
- 👤 Mabru Marcel
- 👤 Charpentier Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/045; C03B37/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN APPARATUS FOR PRODUCING GLASS FIBERS FROM THERMOPLASTIC VITREOUS MATERIAL, THE COMBINATION OF CENTRIFUGAL BODY HAVING A PERPHERAL WALL PROVIDED WITH A PLURALITY OF SUPERPOSED ROWS OF ORIFICES THEREIN AND ADAPTED TO RECEIVE AT ITS INTERIOR PORTION A SUPPLY OF THE THERMOPLASTIC MATERIAL IN THE VISCOUS STATE, SAID BODY BEING ROTATABLE AT A SPEED SUFFICIENT TO PROJECT THE VISCOUS MATERIAL OUTWARDLY AND UNIFORMLY THROUGH SAID ORIFICES IN THE FORM OF STREAMLETS, A COMBUSTION CHAMBER SURROUNDING SAID BODY AND PROVIDED WITH DISCHARGE MEANS HAVING WALLS SHAPED TO DIRECT THE DISCHARGE OF GASESS FROM THE CHAMBER AT HIGH TEMPERATURE AND HIGH VELOCITY IN A RING-LIKE BLAST
Claim 2
Dependent Claim
104 words
IN APPARATUS FOR PRODUCING GLASS FIBERS FROM THERMOPLASTIC VITREOUS MATERIAL, THE COMBINATION OF CENTRIFUGAL BODY HAVING A PERPHERAL WALL PROVIDED WITH A PLURALITY OF SUPERPOSED ROWS OF ORIFICES THEREIN AND ADAPTED TO RECEIVE AT ITS INTERIOR PORTION A SUPPLY OF THE THERMOPLASTIC MATERIAL IN THE VISCOUS STATE, SAID BODY BEING ROTATABLE AT A SPEED SUFFICIENT TO PROJECT THE VISCOUS MATERIAL OUTWARDLY AND UNIFORMLY THROUGH SAID ORIFICES IN THE FORM OF STREAMLETS, A COMBUSTION CHAMBER SURROUNDING SAID BODY AND PROVIDED WITH DISCHARGE MEANS HAVING WALLS SHAPED TO DIRECT THE DISCHARGE OF GASESS FROM THE CHAMBER AT HIGH TEMPERATURE AND HIGH VELOCITY IN A RING-LIKE BLAST
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |