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US3233990A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for forming fibers by spinning fluid blast and rotor

Assignee: Gustin Bacon Manufacturing Co
•
Filing: 1962-09-24
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Granted: 1966-02-08
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Expires: 1982-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph F Stephens
  • 👤 Frederick N Stephens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:28
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 133 words
IN A PROCESS OF MAKING FINE GLASS FIBERS WHEREIN A FEED STREAM OF MOLTEN GLASS IS POURED INTO A SPINNING ROTOR TO BE DISTRIBUTED BY CENTRIFUGAL FORCE FROM A PLURALITY OF ORIFICES IN THE PERIPHERY OF THE ROTOR IN A PLURALITY OF STREAMS AND A COMBUSTIBLE GAS IS CONTINUOUSLY BURNED IN A COMBUSTION CHAMBER ABOVE SAID ROTOR AND THE COMBUSTION PRODUCTS CONTINUOUSLY DISCHARGED PERIPHERALLY OF SAID ROTOR IN SUCH MANNER AS TO ATTENUATE THE STREAMS AND FORM FINE GLASS FIBERS, THE IMPROVEMENT WHICH COMPRISES BURNING COMBUSTIBLE GAS IN A CIRCULAR COMBUSTION CHAMBER IN SUCH MANNER AS TO FORM A ROTATING BODY OF COMBUSTION GASES IN SAID CHAMBER AND FLOWING SAID GASES DOWNWARDLY FROM SAID CHAMBER IN A ROTATING CONTINUOUS HOMOGENEOUS SHEET OF GENERALLY CYLINDRICAL CONFIGURATION PERIPHERALLY SPACED FROM AND DOWNWARDLY PAST SAID ROTOR.
Claim 2
Dependent Claim 35 words
APPARATUS FOR FORMING FINE GLASS FIBERS COMPRISING A HOLLOW TUBE HAVING A LONGITUDINAL AXIS, A ROTOR HAVING AN OPENING THEREIN DETACHABLY FIXED TO SAID HOLLOW TUBE SO SAID OPENING FORMS A CONTINUATION OF SAID HOLLOW

References Cited (Backward Citations)

GB790727A Cited
US2949631A Cited
US3017664A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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