Patent US3309433A successfully refreshed from Google Patents.
US3309433A
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Method of making graphite articles
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1964-07-10
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Granted: 1967-03-14
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Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Roberts Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:47
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C01; C01B; C01B32/00; C04B35/522; C04B35/622; C04B35/64; C04B35/645; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/64; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
94 words
A METHOD FOR THE PRODUCTION OF GRAPHITE ARTEFACTS COMPRISING THE STEPS OF MIXING A POWDER OF A CARBONCONTAINING MATERIAL SELECTED FROM THE GROUP COMPRISING GRAPHITE AND GRAPHITISABLE CARBON WITH A BINDER, A MAJOR PORTION OF SAID BINDER BEING SELECTED FROM THE GROUP CONSISTING OF DIBENZANTHRENE AND DIBENZANTHRONE, PRESSING SUCH MIX TO FORM A SHAPED GREEN BODY, HEATING THE SHAPED GREEN BODY TO A CARBONISING TEMPERATURE IN THE ABSENCE OF AIR TO OBTAIN A BAKED BODY AND SUBJECTING SUCH BAKED BODY TO A FURTHER HEAT TREATMENT AT A TEMPERATURE IN EXCESS OF THE CARBONISING TEMPERATURE.
Claim 2
Independent Claim
94 words
A METHOD FOR THE PRODUCTION OF GRAPHITE ARTEFACTS COMPRISING THE STEPS OF MIXING A POWDER OF A CARBONCONTAINING MATERIAL SELECTED FROM THE GROUP COMPRISING GRAPHITE AND GRAPHITISABLE CARBON WITH A BINDER, A MAJOR PORTION OF SAID BINDER BEING SELECTED FROM THE GROUP CONSISTING OF DIBENZANTHRENE AND DIBENZANTHRONE, PRESSING SUCH MIX TO FORM A SHAPED GREEN BODY, HEATING THE SHAPED GREEN BODY TO A CARBONISING TEMPERATURE IN THE ABSENCE OF AIR TO OBTAIN A BAKED BODY AND SUBJECTING SUCH BAKED BODY TO A FURTHER HEAT TREATMENT AT A TEMPERATURE IN EXCESS OF THE CARBONISING TEMPERATURE.
Claim 3
Dependent Claim
70 words
THE METHOD OF CLAIM 1 FOR THE PRODUCTION OF A FUEL BODY FOR A NUCLEAR REACTOR WHEREIN PARTICLES OF A NUCLEAR FUEL ARE MIXED WITH A GRAPHITE POWDER AND THE SAID BINDER, THE MIXTURE IS PRESSED TO FORM A COMPACT BODY, THE COMPACT BODY IS BAKED IN THE ABSENCE OF AIR AND THE BAKED BODY IS HEAT TREATED TO A TEMPERATURE IN EXCESS OF THAT AT WHICH BAKING IS EFFECTED.
References Cited (Backward Citations)
GB673003A
Cited
US3158547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |