Patent US3236180A successfully refreshed from Google Patents.
US3236180A
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Blasting charge and method
Assignee: —
•
Filing: —
•
Granted: 1966-02-22
•
Expires: 1983-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:29
CPC Classifications
F; F42; F42B; F42B1/00; F42B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A BLASTING CHARGE COMPRISING AN AQUEOUS SLURRY OF DISPERSED PARTICLES OF EXPLOSIVE MATERIAL, CONSISTING OF AT LEAST ABOUT 95% OF NITRATE EXPLOSIVE, PREDOMINANTLY AMMONIUM NITRATE, A DISPERSED THICKENER AS A MINOR CONSTITUENT, AND FROM 0% TO NOT OVER ABOUT 5% OF HIGH EXPLOSIVE, THE WATER CONTENT OF SAID SLURRY FORMING ABOUT FROM 5% TO 20% BY WEIGHT OF THE SLURRY AND SERVING TO FORM A SATURATED SOLUTION OF NITRATE EXPLOSIVE MATERIAL WHICH, AT THE TEMPERATURE OF USE, PRODUCES A THICK MASS AND PROVIDES A CONTINUOUS LIQUID PHASE SURROUNDING THE SOLID PARTICLES OF THE SLURRY, TOGETHER WITH AT LEAST ONE LOCALIZED BODY OF BOOSTER PLACED IN IMMEDIATE ACTIVE RELATION TO THE SLURRY.
Claim 2
Dependent Claim
111 words
A BLASTING CHARGE COMPRISING AN AQUEOUS SLURRY OF DISPERSED PARTICLES OF EXPLOSIVE MATERIAL, CONSISTING OF AT LEAST ABOUT 95% OF NITRATE EXPLOSIVE, PREDOMINANTLY AMMONIUM NITRATE, A DISPERSED THICKENER AS A MINOR CONSTITUENT, AND FROM 0% TO NOT OVER ABOUT 5% OF HIGH EXPLOSIVE, THE WATER CONTENT OF SAID SLURRY FORMING ABOUT FROM 5% TO 20% BY WEIGHT OF THE SLURRY AND SERVING TO FORM A SATURATED SOLUTION OF NITRATE EXPLOSIVE MATERIAL WHICH, AT THE TEMPERATURE OF USE, PRODUCES A THICK MASS AND PROVIDES A CONTINUOUS LIQUID PHASE SURROUNDING THE SOLID PARTICLES OF THE SLURRY, TOGETHER WITH AT LEAST ONE LOCALIZED BODY OF BOOSTER PLACED IN IMMEDIATE ACTIVE RELATION TO THE SLURRY.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |