US4076562A
Expired / Lapsed
US
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Explosive composition with adhered air entrapping material
Assignee: SLURRY EXPLOSIVE Corp A CORPORATION OF OK
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Filing: 1976-11-05
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Granted: 1978-02-28
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Expires: 1996-11-05
Abstract
Abstract Explosive compositions, sensitive to a number six blasting cap, comprise a liquid, highly combustible fuel and supported air entrapment material in an amount such that from about one to about 95 volume percent of the total explosive mixture is air.
Inventors
- 👤 Richard Wells Forsythe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/002; C06B23/003
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
46 words
An explosive composition comprising an air entrapment material supported by and adhering to the surfaces of a solid component and a combustible liquid contacting the surfaces of at least a portion of said air entrapment material, said combustible liquid being capable of sustained combustion in air.
Claim 2
Dependent Claim
46 words
An explosive composition comprising an air entrapment material supported by and adhering to the surfaces of a solid component and a combustible liquid contacting the surfaces of at least a portion of said air entrapment material, said combustible liquid being capable of sustained combustion in air.
Claim 3
Dependent Claim
29 words
The composition of claim 1 wherein said air entrapment material is adhered to said solid component by means of an adhesive material that is insoluble in said combustible liquid.
Claim 4
Dependent Claim
32 words
The composition of claim 2 wherein said air entrapment material is present in an amount such that from about 1 to about 95 volume percent of the total composition is entrapped air.
Claim 5
Dependent Claim
25 words
The composition of claim 3 wherein said air entrapment material has air chambers of from about 1 micron up to about 1/4 inch mean diameter.
Claim 6
Dependent Claim
27 words
The composition of claim 4 wherein the particle size of said air entrapment material is from about 10 microns up to about 1/4 inch average particle diameter.
Claim 7
Dependent Claim
14 words
The composition of claim 5 wherein said combustible liquid includes at least one nitroalkane.
Claim 8
Dependent Claim
10 words
The composition of claim 6 wherein said nitroalkane is nitromethane.
Claim 9
Dependent Claim
24 words
The composition of claim 7 wherein said solid material is a particulate material having a mean particle diameter of up to about 1/4 inch.
Claim 10
Dependent Claim
20 words
The composition of claim 8 wherein said air entrapment material is adhered to said solid material by a urethane adhesive.
Claim 11
Dependent Claim
27 words
The composition of claim 9 wherein said adhesive is present in an amount of from about 0.25 to about 15 percent by weight of the total composition.
Claim 12
Dependent Claim
25 words
The composition of claim 10 wherein said nitromethane is present in an amount of from about 3 to about 96 weight percent of the composition.
Claim 13
Dependent Claim
12 words
The composition of claim 11 wherein said solid material is ammonium nitrate.
Claim 14
Dependent Claim
13 words
The composition of claim 12 wherein said air entrapment material is glass microspheres.
Claim 15
Dependent Claim
13 words
The composition of claim 11 wherein said air entrapment material is glass microspheres.
Claim 16
Dependent Claim
13 words
The composition of claim 5 wherein said air entrapment material is glass microspheres.
Claim 17
Dependent Claim
32 words
The composition of claim 15 wherein said air entrapment material is present in an amount such that from about 5 to about 16 volume percent of the total composition is entrapped air.
Claim 18
Dependent Claim
14 words
The composition of claim 16 wherein said combustible liquid includes at least one nitroalkane.
Claim 19
Dependent Claim
10 words
The composition of claim 17 wherein said nitroalkane is nitromethane.
Claim 20
Independent Claim
49 words
A method for providing an explosive composition comprising adhering an air entrapment material to the surfaces of a solid component and thereafter contacting the surfaces of at least a portion of said air entrapment material with a combustible liquid, said combustible liquid being capable of substained combustion in air.
Claim 21
Independent Claim
49 words
A method for providing an explosive composition comprising adhering an air entrapment material to the surfaces of a solid component and thereafter contacting the surfaces of at least a portion of said air entrapment material with a combustible liquid, said combustible liquid being capable of substained combustion in air.
Claim 22
Dependent Claim
104 words
An explosive composition comprising an air entrapment material supported by and adhering to the surfaces of a solid component selected from the group consisting of alkali metal nitrates, alkaline earth metal nitrates, ammonium nitrate and ammonium perchlorate and a combustible liquid contacting the surfaces of at least a portion of said air entrapment material, said combustible liquid being capable of sustained combustion in air and being an organic material which is liquid under atmospheric conditions at temperatures of from about 0° C to about 50° C, said adhering being carried out by means of an adhesive material that is insoluble in said combustible liquid.
Claim 23
Dependent Claim
104 words
An explosive composition comprising an air entrapment material supported by and adhering to the surfaces of a solid component selected from the group consisting of alkali metal nitrates, alkaline earth metal nitrates, ammonium nitrate and ammonium perchlorate and a combustible liquid contacting the surfaces of at least a portion of said air entrapment material, said combustible liquid being capable of sustained combustion in air and being an organic material which is liquid under atmospheric conditions at temperatures of from about 0° C to about 50° C, said adhering being carried out by means of an adhesive material that is insoluble in said combustible liquid.
Claim 24
Dependent Claim
28 words
The composition of claim 20 wherein said combustible materials comprise low molecular weight hydrocarbons, oxygen containing organic materials, nitrogen containing organic materials, halogenated organic materials and mixtures thereof.
Claim 25
Dependent Claim
32 words
The composition of claim 21 wherein said air entrapment material is present in an amount such that from about 1 to about 95 volume percent of the total composition is entrapped air.
Claim 26
Dependent Claim
25 words
The composition of claim 22 wherein said air entrapment material has air chambers of from about 1 micron up to about 1/4 inch mean diameter.
Claim 27
Dependent Claim
27 words
The composition of claim 23 wherein the particle size of said air entrapment material is from about 10 microns up to about 1/4 inch average particle diameter.
Claim 28
Dependent Claim
14 words
The composition of claim 24 wherein said combustible liquid includes at least one nitroalkane.
Claim 29
Dependent Claim
10 words
The composition of claim 25 wherein said nitroalkane is nitromethane.
Claim 30
Dependent Claim
24 words
The composition of claim 26 wherein said solid material is a particulate material having a mean particle diameter of up to about 1/4 inch.
Claim 31
Dependent Claim
20 words
The composition of claim 27 wherein said air entrapment material is adhered to said solid material by a urethane adhesive.
Claim 32
Dependent Claim
27 words
The composition of claim 28 wherein said adhesive is present in an amount of from about 0.25 to about 15 percent by weight of the total composition.
Claim 33
Dependent Claim
25 words
The composition of claim 29 wherein said nitromethane is present in an amount of from about 3 to about 96 weight percent of the composition.
Claim 34
Dependent Claim
12 words
The composition of claim 30 wherein said solid material is ammonium nitrate.
Claim 35
Dependent Claim
13 words
The composition of claim 31 wherein said air entrapment material is glass microspheres.
Claim 36
Dependent Claim
13 words
The composition of claim 30 wherein said air entrapment material is glass microspheres.
Claim 37
Dependent Claim
13 words
The composition of claim 24 wherein said air entrapment material is glass microspheres.
Claim 38
Dependent Claim
32 words
The composition of claim 34 wherein said air entrapment material is present in an amount such that from about 5 to about 16 volume percent of the total composition is entrapped air.
Claim 39
Dependent Claim
14 words
The composition of claim 35 wherein said combustible liquid includes at least one nitroalkane.
Claim 40
Dependent Claim
10 words
The composition of claim 36 wherein said nitroalkane is nitromethane.
Claim 41
Independent Claim
128 words
A method for producing an explosive composition comprising adhering an air entrapment material to the surfaces of a solid component selected from the group consisting of alkali metal nitrates, alkaline earth nitrates, ammonium nitrate and ammonium perchlorate and thereafter containing the surfaces of at least a portion of said air entrapment material with a combustible liquid, said combustible liquid being capable of sustained combustion in air and being an organic material which is a liquid under atmospheric conditions at temperatures of from about 0° C to about 50° C, said adhering being carried out by contacting said solid component and said air entrapment material with an adhesive material that is insoluble in said combustible liquid and mixing the solid component, the air entrapment material and adhesive material together.
Claim 42
Independent Claim
128 words
A method for producing an explosive composition comprising adhering an air entrapment material to the surfaces of a solid component selected from the group consisting of alkali metal nitrates, alkaline earth nitrates, ammonium nitrate and ammonium perchlorate and thereafter containing the surfaces of at least a portion of said air entrapment material with a combustible liquid, said combustible liquid being capable of sustained combustion in air and being an organic material which is a liquid under atmospheric conditions at temperatures of from about 0° C to about 50° C, said adhering being carried out by contacting said solid component and said air entrapment material with an adhesive material that is insoluble in said combustible liquid and mixing the solid component, the air entrapment material and adhesive material together.
References Cited (Backward Citations)
US3830672A
Cited
US3718512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-27 | 1981-08-29 | 1982-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-27 | 1985-08-29 | 1986-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-27 | 1989-08-29 | 1990-02-28 | $7700.00 | Window Closed / Lapsed |