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US3218138A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of controlling production of continuous filaments

Assignee: Owens Corning
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Filing: 1961-07-03
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Granted: 1965-11-16
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Expires: 1981-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 Fred A Mennerich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:58
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/07

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 190 words
IN THE PRODUCTION OF CONTINUOUS FIBERS OF HEAT-SOFTENED MATERIAL SUCH AS MOLTEN GLASS WHEREIN CONTINUOUS FIBERS ARE ATTENUATED AT A PREDETERMINED VELOCITY FROM STREAMS FLOWING FROM A MOLTEN MASS OF THE MATERIAL, THE METHOD OF ESTABLISHING THE MAGNITUDE OF ADJUSTMENT IN TEMPERATURE OF THE MOLTEN MASS NECESSARY TO PRODUCE FIBERS OF DESIRED DIAMETER WITHOUT COMPLEX CALCULATION COMPRISING PLOTTING FOR FIBERS OF DESIRED DIAMETER A TEMPERATURE ADJUSTEMENT CHART FOR SAID MOLTEN MASS CORRESPONDING TO A GIVEN TIME FOR COLLECTION OF A SAMPLE OF SAID FIBER SUCH THAT FOR EACH POSITION OF THE NEEDLE OF SAID WEIGHING SCALE AN INDICATION IS PROVIDED OF THE ADJUCTMENT OF TEMPERATURE OF THE MOLTEN SOURCE NECESSARY TO PRODUCE FIBERS OF DESIRED DIAMETER, COLLECTING A FIBER SAMPLE ATTENUATED AT A PREDETERMINED VELOCITY FOR SAID GIVEN TIME, PLACING SAID SAMPLE OF SAID WEIGHING SCALE AND READING AT THE NEEDLE THE MAGNITUDE OF ADJUSTMENT IN TEMPERATURE OF THE MOLTEN MASS NECESSARY TO PRRDUCE FIBERS OF SAID DESIRED DIAMETER, AND THEN MAKING AN ADJUSTMENT IN TEMPERATURE OF SAID MOLTEN MASS CORRESPONDING TO THE MAGNITUDE READ AT THE NEEDLE TO THEREBY ESTABLISH THE TEMPERATURE NECESSARY TO PRODUCE FIBERS OF DESIRED DIAMETER.

References Cited (Backward Citations)

US1884320A Cited
US2306789A Cited
US2844028A Cited
US3013095A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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