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US3116192A
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US
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Glass fiber treatiment
Assignee: PPG Industries Inc
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Filing: 1959-07-07
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Granted: 1963-12-31
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Expires: 1979-07-07
Abstract
No abstract record available.
Inventors
- 👤 George E Eilerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:09
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/10; D06B1/14; D06M; D06M13/00; D06M13/50; D06M13/51; D06M13/513; D06M15/00; D06M15/19; D06M15/21; D06M15/356; D06M15/3568; D06M15/37; D06M15/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A METHOD OF FORMING A HARD GLASS FIBER STRAND WHICH CAN BE FABRICATED INTO ROVING AND LAMINATED WITH A RESIN WHICH COMPRISES DRAWING GLASS STREAMS THROUGH ORIFICES IN A BUSHING TO FORM INDIVIDUAL GLASS FILAMENTS, MOVING THE FILAMENTS AWAY FROM THE BUSHING AT A HIGH RATE OF SPEED AND FORMING THEM INTO A STRAND, APPLYING TO THE FILAMENTS WHILE THEY ARE MOVING AT THIS SPEED AN AQUEOUS SIZING SOLUTION CONSISTING ESSENTIALLY OF 1 TO 5 PERCENT BY WEIGHT ON A SOLIDS BASIS, OF A SYNTHETIC RESIN LATEX MADE OF AN ETHYLENIC MONOMER, 0.3 TO 2 PERCENT BY WEIGHT OF VINYL TRIACYLOXYSILANE, 0.3 TO 2 PERCENT BY WEIGHT OF MELAMINE FORMALDEHYDE RESIN AND 0.1 TO 1 PERCENT BY WEIGHT OF A TEXTILE SOFTENER, THE TOTAL SOLIDS CONTENT OF THE SOLUTION BEING 2 TO 5.5 PERCENT BY WEIGHT AND THE VISCOSITY OF THE SOLUTION BEING LESS THAN 100 CENTIPOISES AT 20*C., AND DRYING THE GLASS FIBERS SO TREATED.
Claim 2
Independent Claim
156 words
A METHOD OF FORMING A HARD GLASS FIBER STRAND WHICH CAN BE FABRICATED INTO ROVING AND LAMINATED WITH A RESIN WHICH COMPRISES DRAWING GLASS STREAMS THROUGH ORIFICES IN A BUSHING TO FORM INDIVIDUAL GLASS FILAMENTS, MOVING THE FILAMENTS AWAY FROM THE BUSHING AT A HIGH RATE OF SPEED AND FORMING THEM INTO A STRAND, APPLYING TO THE FILAMENTS WHILE THEY ARE MOVING AT THIS SPEED AN AQUEOUS SIZING SOLUTION CONSISTING ESSENTIALLY OF 1 TO 5 PERCENT BY WEIGHT ON A SOLIDS BASIS, OF A SYNTHETIC RESIN LATEX MADE OF AN ETHYLENIC MONOMER, 0.3 TO 2 PERCENT BY WEIGHT OF VINYL TRIACYLOXYSILANE, 0.3 TO 2 PERCENT BY WEIGHT OF MELAMINE FORMALDEHYDE RESIN AND 0.1 TO 1 PERCENT BY WEIGHT OF A TEXTILE SOFTENER, THE TOTAL SOLIDS CONTENT OF THE SOLUTION BEING 2 TO 5.5 PERCENT BY WEIGHT AND THE VISCOSITY OF THE SOLUTION BEING LESS THAN 100 CENTIPOISES AT 20*C., AND DRYING THE GLASS FIBERS SO TREATED.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |