US3112166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of hollow bodies from powdered materials
Assignee: Imperial Chemical Industries Ltd
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Filing: 1961-03-08
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Granted: 1963-11-26
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Montgomery William Thornhill
- 👤 Cook John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:02
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/02; B22F3/08; B22F2998/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR THE FORMATION OF AHOLLOW SHAPED BODY FROM FINELY DIVIDED POWDER CAPABLE OF BEING COMPACTED WHEN SUBJECTED TO THE PRESSURES GENERATED BY DETONATING EXPLOSIVES COMPRISING EMBRACING AT LEAST ONE YIELDABLE CORE CONSISTING PREDOMINANTLY OF NON-EXPLOSIVE POURABLE MATERIAL CAPABLE ULTIMATELY OF BEING REMOVED FROM THE FORMED BODY WITH A LAYER OF THE POWDER CONTAINED INA THIN-WALLED CONTAINER, THE VOLUME OF SAID CORE EMBRACED BY SAID POWDER BEING CAPABLE OF SUDDEN SUBSTANTIAL REDUCTION UPON DETONATION OF THE EXPLOSIVE; POSITIONING A LAYER OF HIGH EXPLOSIVE IN PROXIMITY AROUND A PREDETERMINED PORTION OF THE OUTER SURFACE OF THE POWDER CONTAINED AND DETONATING THE SAID HIGH EXPLOSIVE.
Claim 2
Dependent Claim
104 words
A PROCESS FOR THE FORMATION OF AHOLLOW SHAPED BODY FROM FINELY DIVIDED POWDER CAPABLE OF BEING COMPACTED WHEN SUBJECTED TO THE PRESSURES GENERATED BY DETONATING EXPLOSIVES COMPRISING EMBRACING AT LEAST ONE YIELDABLE CORE CONSISTING PREDOMINANTLY OF NON-EXPLOSIVE POURABLE MATERIAL CAPABLE ULTIMATELY OF BEING REMOVED FROM THE FORMED BODY WITH A LAYER OF THE POWDER CONTAINED INA THIN-WALLED CONTAINER, THE VOLUME OF SAID CORE EMBRACED BY SAID POWDER BEING CAPABLE OF SUDDEN SUBSTANTIAL REDUCTION UPON DETONATION OF THE EXPLOSIVE; POSITIONING A LAYER OF HIGH EXPLOSIVE IN PROXIMITY AROUND A PREDETERMINED PORTION OF THE OUTER SURFACE OF THE POWDER CONTAINED AND DETONATING THE SAID HIGH EXPLOSIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |