Patent US2730455A successfully refreshed from Google Patents.
US2730455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating fibers, threads, and/or filamentary material
Assignee: Individual
•
Filing: 1952-10-30
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Granted: 1956-01-10
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Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 Carl C Swann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:43
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A CONTINUOUS PROCESS FOR THE PRODUCTION OF PLASTIC RESIN COATED GLASS FIBERS IN CHOPPED FORM FOR PLASTICS-REINFORCING PURPOSES WHEREIN A CONTINUOUSLY MOVING BUNDLE OF CONTINUOUS FILAMENT THREADS OR ROVING INITIALLY CARRYING A PRELIMINARY BINDER COATING IS SUBJECTED TO TREATMENT WITH A SOLVENT TO REMOVE THE PRELIMINARY BINDER FOLLOWED BY EXPOSURE TO A HOT GASEOUS MEDIUM TO EVAPORATE SURPLUS SOLVENT AND THEN SUBJECTED TO A MAIN COATING TREATMENT BY PASSAGE THROUGH A BATH CONTAINING A PLASTIC RESIN COATING MATERIAL FOLLOWED BY SUCCESSIVE EXPOSURE TO A HOT GASEOUS MEDIUM TO DRY THE WET COATING AND TO SET AND CURE THE PLASTIC RESIN THEREOF AFTER BEING DRIED, AND THEREAFTER MECHANICALLY CHOPPING THE TRAVELLING THREADS OR ROVING HAVING THE CURED PLASTIC RESIN COATINGS TO PRODUCE PELLETS OR SHORT PIECES THEREOF ADAPTABLE FOR REINFORCING
Claim 2
Dependent Claim
130 words
IN A CONTINUOUS PROCESS FOR THE PRODUCTION OF PLASTIC RESIN COATED GLASS FIBERS IN CHOPPED FORM FOR PLASTICS-REINFORCING PURPOSES WHEREIN A CONTINUOUSLY MOVING BUNDLE OF CONTINUOUS FILAMENT THREADS OR ROVING INITIALLY CARRYING A PRELIMINARY BINDER COATING IS SUBJECTED TO TREATMENT WITH A SOLVENT TO REMOVE THE PRELIMINARY BINDER FOLLOWED BY EXPOSURE TO A HOT GASEOUS MEDIUM TO EVAPORATE SURPLUS SOLVENT AND THEN SUBJECTED TO A MAIN COATING TREATMENT BY PASSAGE THROUGH A BATH CONTAINING A PLASTIC RESIN COATING MATERIAL FOLLOWED BY SUCCESSIVE EXPOSURE TO A HOT GASEOUS MEDIUM TO DRY THE WET COATING AND TO SET AND CURE THE PLASTIC RESIN THEREOF AFTER BEING DRIED, AND THEREAFTER MECHANICALLY CHOPPING THE TRAVELLING THREADS OR ROVING HAVING THE CURED PLASTIC RESIN COATINGS TO PRODUCE PELLETS OR SHORT PIECES THEREOF ADAPTABLE FOR REINFORCING
References Cited (Backward Citations)
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Cited
US2142397A
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US2187306A
Cited
US2385916A
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US2562358A
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |