Patent US3238872A successfully refreshed from Google Patents.
US3238872A
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Shaped charge construction
Assignee: Aerojet Rocketdyne Inc
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Filing: 1964-02-10
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Granted: 1966-03-08
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Zernow Louis
- 👤 John L Squier
- 👤 Lieberman Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:15
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/117; F; F42; F42B; F42B3/00; F42B3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A SHAPED CHARGE CONSTRUCTION COMPRISING (A) A SHAPED CHARGE CASE HAVING A FORWARDLY OPENING TRANSVERSE CAVITY PROVIDED THEREIN, (B) EXPLOSIVE MATERIAL RECEIVED IN SAID CAVITY, (C) A METALLIC LINEAR SECURED TO SAID CASE AND CLOSING OFF SAID CAVITY, (D) MEANS OPERABLY ASSOCIATED WITH SAID CASE TO INITIATE DETONATION OF SAID EXPLOSIVE MATERIAL FOR FORCING SAID METALLIC LINER FORWARDLY AT HIGH VELOCITY IN THE FORM OF A JET OF MOLTEN METAL, AND (E) SAID CASE BEING SUBSTANTIALLY SPHEROID IN SHAPE AND HAVING SOLID WALLS BOUNDING SAID CAVITY, SAID SOLID WALLS HAVING A CROSS-SECTIONAL THICKNESS GREATEST AT THE POINT ON SAID CASE INTERMEDIATE THE FORWARD AND REAR ENDS THEREOF AND PROGRESSIVELY DIMINISHING IN THICKNESS TOWARD EACH OF THE FORWARD AND REAR ENDS THEREOF, WHEREBY SAID SOLID WALLS ARE OF SUFFICIENT THICKNESS TO SUBSTANTIALLY PREVENT DEFORMATION OF SAID CASE FROM THE ENERGY RELEASED BY THE DETONATION OF SAID EXPLOSIVE MATERIAL.
Claim 2
Dependent Claim
147 words
A SHAPED CHARGE CONSTRUCTION COMPRISING (A) A SHAPED CHARGE CASE HAVING A FORWARDLY OPENING TRANSVERSE CAVITY PROVIDED THEREIN, (B) EXPLOSIVE MATERIAL RECEIVED IN SAID CAVITY, (C) A METALLIC LINEAR SECURED TO SAID CASE AND CLOSING OFF SAID CAVITY, (D) MEANS OPERABLY ASSOCIATED WITH SAID CASE TO INITIATE DETONATION OF SAID EXPLOSIVE MATERIAL FOR FORCING SAID METALLIC LINER FORWARDLY AT HIGH VELOCITY IN THE FORM OF A JET OF MOLTEN METAL, AND (E) SAID CASE BEING SUBSTANTIALLY SPHEROID IN SHAPE AND HAVING SOLID WALLS BOUNDING SAID CAVITY, SAID SOLID WALLS HAVING A CROSS-SECTIONAL THICKNESS GREATEST AT THE POINT ON SAID CASE INTERMEDIATE THE FORWARD AND REAR ENDS THEREOF AND PROGRESSIVELY DIMINISHING IN THICKNESS TOWARD EACH OF THE FORWARD AND REAR ENDS THEREOF, WHEREBY SAID SOLID WALLS ARE OF SUFFICIENT THICKNESS TO SUBSTANTIALLY PREVENT DEFORMATION OF SAID CASE FROM THE ENERGY RELEASED BY THE DETONATION OF SAID EXPLOSIVE MATERIAL.
References Cited (Backward Citations)
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |