US4239063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold insulated with knitted impregnated sleeve
Assignee: United States Department of the Army
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Filing: 1978-03-29
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Granted: 1980-12-16
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Expires: 1998-03-29
Abstract
Abstract A manifold with a knitted resin impregnated sleeve that is fabricated as aontinuous unseamed configured sleeve and installed in the manifold to produce a seamless structure. The sleeve is knitted or woven from conventional materials and then install in the manifold to provide insulation for the manifold structure.
Inventors
- 👤 Richard L. Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:51
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/10; F01N13/102; F16; F16L; F16L57/00; F16L57/06; F16L59/00; F16L59/02; F16L59/028; Y; Y10; Y10S; Y10S138/00; Y10S138/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A thermal protection system comprising a manifold section, a knitted one piece, continuous, unseamed, configured sleeve of one thickness that is configured to fit an inside diameter surface of said manifold section to be lined, said sleeve being made of quartz fabric, said sleeve being impregnated with an uncured phenolic resin bonding agent, and said sleeve with said uncured bonding agent being cured and bonded to the inside diameter surface of said manifold section to insulate the manifold section.
Claim 2
Dependent Claim
79 words
A thermal protection system comprising a manifold section, a knitted one piece, continuous, unseamed, configured sleeve of one thickness that is configured to fit an inside diameter surface of said manifold section to be lined, said sleeve being made of quartz fabric, said sleeve being impregnated with an uncured phenolic resin bonding agent, and said sleeve with said uncured bonding agent being cured and bonded to the inside diameter surface of said manifold section to insulate the manifold section.
Claim 3
Dependent Claim
44 words
A thermal protection system as set forth in claim 1, wherein said quartz fabric is coated with a material selected from the group consisting of zirconium, titanium and a combination thereof, and wherein said fabric is coated before being bonded to said inside diameter.
References Cited (Backward Citations)
US2468493A
Cited
US2594838A
Cited
US3007497A
Cited
US3310412A
Cited
US3399092A
Cited
US3594205A
Cited
US3911961A
Cited
US3930627A
Cited
US4031700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-16 | 1984-06-16 | 1984-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-16 | 1988-06-16 | 1988-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-16 | 1992-06-16 | 1992-12-16 | $7700.00 | Window Closed / Lapsed |