US3042569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an unwoven fibrous tape
Assignee: Individual
•
Filing: 1958-11-19
•
Granted: 1962-07-03
•
Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:25
CPC Classifications
D; D04; D04H; D04H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD FOR PRODUCING UNWOVEN TAPE MATERIAL, COMPRISING THE STEPS OF PASSING A PLURALITY OF ROVINGS PAST GUIDE MEMBERS HAVING DIRECTIONALLY GUIDING ENGAGEMENT WITH A RESPECTIVE ONE OF SAID ROVINGS, GATHERING SAID ROVINGS INTO A TAPE WHEREIN SAID ROVINGS ARE DISPOSED IN PARALLEL, SIDE-BY-SIDE RELATION, THEREAFTER PASSING SAID GATHERED PARALLEL ROVINGS THROUGH A SOLUTION OF THERMOSETTING RESIN COATING MATERIAL, PASSING THE COATED FIBERS BETWEEN RELATIVELY FIXED MEMBERS WHICH ARE SPACED RESPECTIVELY ONE ON EACH SIDE OF SAID TAPE AND PROPORTIONED TO PROVIDE A DISTANCE THEREBETWEEN EFFECTIVE FOR SCRAPING EXCESS RESIN CARRIED THEREON FROM THE SURFACE OF SAID TAPE AND ALSO FORCING SOME OF SAID RESIN INTO THE BODY OF SAID TAPE TO PROVIDE A SIZING ACTION, HEATING THE SIZED RESIN-IMPREGNATED MATERIAL TO EFFECT SOLVENT REMOVAL AS A PRINCIPAL OPERATION, AND THEREAFTER REPEATING FOR AT LEAST ONE ADDITIONAL CYCLE THE IMPREGNATING-SIZING-HEATING OPERATIONS TO PRODUCE A SUBSTANTIALLY SOLVENTLESS AND APPROPRIATELY PROPORTIONED TAPE MATERIAL HAVING COALESCED RESIN EFFECTIVE FOR MAINTAINING SAID PARALLEL FIBERS IN THEIR GATHERED POSITIONS.
Claim 2
Independent Claim
164 words
A METHOD FOR PRODUCING UNWOVEN TAPE MATERIAL, COMPRISING THE STEPS OF PASSING A PLURALITY OF ROVINGS PAST GUIDE MEMBERS HAVING DIRECTIONALLY GUIDING ENGAGEMENT WITH A RESPECTIVE ONE OF SAID ROVINGS, GATHERING SAID ROVINGS INTO A TAPE WHEREIN SAID ROVINGS ARE DISPOSED IN PARALLEL, SIDE-BY-SIDE RELATION, THEREAFTER PASSING SAID GATHERED PARALLEL ROVINGS THROUGH A SOLUTION OF THERMOSETTING RESIN COATING MATERIAL, PASSING THE COATED FIBERS BETWEEN RELATIVELY FIXED MEMBERS WHICH ARE SPACED RESPECTIVELY ONE ON EACH SIDE OF SAID TAPE AND PROPORTIONED TO PROVIDE A DISTANCE THEREBETWEEN EFFECTIVE FOR SCRAPING EXCESS RESIN CARRIED THEREON FROM THE SURFACE OF SAID TAPE AND ALSO FORCING SOME OF SAID RESIN INTO THE BODY OF SAID TAPE TO PROVIDE A SIZING ACTION, HEATING THE SIZED RESIN-IMPREGNATED MATERIAL TO EFFECT SOLVENT REMOVAL AS A PRINCIPAL OPERATION, AND THEREAFTER REPEATING FOR AT LEAST ONE ADDITIONAL CYCLE THE IMPREGNATING-SIZING-HEATING OPERATIONS TO PRODUCE A SUBSTANTIALLY SOLVENTLESS AND APPROPRIATELY PROPORTIONED TAPE MATERIAL HAVING COALESCED RESIN EFFECTIVE FOR MAINTAINING SAID PARALLEL FIBERS IN THEIR GATHERED POSITIONS.
References Cited (Backward Citations)
US787886A
Cited
US2354702A
Cited
GB619674A
Cited
US2552124A
Cited
US2492498A
Cited
US2546230A
Cited
US2775860A
Cited
US2743207A
Cited
GB793247A
Cited
US2952576A
Cited
US2956613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |