US3283050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making continuous lengths of threaded fiber reinforced resin articles
Assignee: Universal Moulded Fiber Glass Corp
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Filing: 1965-04-06
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Granted: 1966-11-01
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Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Le Roy R Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:24
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/52; B29C70/525; B29C70/526; B29D; B29D1/00; B29D1/005; Y; Y10; Y10S; Y10S411/00; Y10S411/90; Y10S411/904; Y10S411/908
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A METHOD FOR MAKING CONTINUOUS LENGTHS OF A THREADED FIBER REINFORCED RESIN ARTICLE COMPRISING IMPREGNATING FIBER REINFORCED RESIN WITH A LIQUID HEAT HARDENABLE RESIN MATERIAL, FEEDING THE IMPREGNATED REINFORCEMENT INTO THE ENTRANCE END OF AN ANNULAR FORMING PASSAGE ONE SIDE OF WHICH IS DEFINED BY A CYLINDRICAL THREADED WALL, HEATING THE RESIN MATERIAL TO SOLIDIFY THE RESIN WHILE IT IS IN THE FORMING PASSAGE, AND THEREBY FORM A SOLIDIFIED ARTICLE AND ADVANCING THE RESIN AND REINFORCEMENT THROUGH THE FORMING PASSAGE AND DELIVERING THE SOLIDIFIED ARTICLE FROM THE DISCHARGE END OF THE FORMING PASSAGE BY PULLING ON THE SOLIDIFIED ARTICLE BEYOND THE DISCHARGE END OF THE FORMING PASSAGE AND CONCURRENTLY ROTATING AND THUS UNSCREWING THE THREADED WALL FROM THE THREADED ARTICLE AS IT IS FORMED.
References Cited (Backward Citations)
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US3119888A
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US2801441A
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US2866230A
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US3141806A
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US3185746A
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |