US4093778A
Expired / Lapsed
US
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Ingot mold for producing steel ingots
Assignee: ChampionX LLC
•
Filing: 1976-09-10
•
Granted: 1978-06-06
•
Expires: 1996-09-10
Abstract
Abstract An improved ingot mold for producing steel ingots is disclosed. The primary feature of this improved mold is an interior sidewall coating which is composed of an aqueous slurry of finely divided iron oxide and a lignosulfonate.
Inventors
- 👤 Frederick V. Reven
- 👤 Charles W. Connors
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:21
CPC Classifications
B; B22; B22C; B22C3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
43 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O .sub.3
5 - 30
B. A lignosulfonate .1 - 25
C. Water Balance
______________________________________
Claim 2
Dependent Claim
43 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O .sub.3
5 - 30
B. A lignosulfonate .1 - 25
C. Water Balance
______________________________________
Claim 3
Dependent Claim
42 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10 - 25
B. A lignosulfonate 2 - 10
C. Water Balance
______________________________________
Claim 4
Dependent Claim
42 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10 - 25
B. A lignosulfonate 2 - 10
C. Water Balance
______________________________________
Claim 5
Dependent Claim
52 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Formic acid or a salt thereof
0.1 - 10.0
D. Water Balance
______________________________________
Claim 6
Dependent Claim
52 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Formic acid or a salt thereof
0.1 - 10.0
D. Water Balance
______________________________________
Claim 7
Dependent Claim
59 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Formic acid or a salt thereof
0.1 - 10.0
D. Finely divided graphite
5.0 - 20.0
E. Water Balance
______________________________________
Claim 8
Dependent Claim
59 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Formic acid or a salt thereof
0.1 - 10.0
D. Finely divided graphite
5.0 - 20.0
E. Water Balance
______________________________________
Claim 9
Dependent Claim
48 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Organic suspending agent
Minor amount
D. Water Balance
______________________________________
Claim 10
Dependent Claim
48 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. A lignosulfonate 0.1 - 25.0
C. Organic suspending agent
Minor amount
D. Water Balance
______________________________________
Claim 11
Dependent Claim
52 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Formic acid or a salt thereof
3.0 - 8.0
D. Water Balance
______________________________________
Claim 12
Dependent Claim
52 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Formic acid or a salt thereof
3.0 - 8.0
D. Water Balance
______________________________________
Claim 13
Dependent Claim
59 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Formic acid or a salt thereof
3.0 - 8.0
D. Finely divided graphite
5.0 - 15.0
E. Water Balance
______________________________________
Claim 14
Dependent Claim
59 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Formic acid or a salt thereof
3.0 - 8.0
D. Finely divided graphite
5.0 - 15.0
E. Water Balance
______________________________________
Claim 15
Dependent Claim
48 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Organic suspending agent
Minor amount
D. Water Balance
______________________________________
Claim 16
Dependent Claim
48 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
10.0 - 25.0
B. A lignosulfonate 2.0 - 10.0
C. Organic suspending agent
Minor amount
D. Water Balance
______________________________________
Claim 17
Dependent Claim
69 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. Lignosulfonate 0.1 - 25.0
C. Finely divided graphite
.0 - 20.0
D. Formic acid or salt thereof
0.1 - 10.0
E. Biocide 0.5 - 2,000 ppm
F. Sodium hexametaphosphate
0.01 - 0.5
G. Water Balance
______________________________________
Claim 18
Dependent Claim
69 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
5.0 - 30.0
B. Lignosulfonate 0.1 - 25.0
C. Finely divided graphite
.0 - 20.0
D. Formic acid or salt thereof
0.1 - 10.0
E. Biocide 0.5 - 2,000 ppm
F. Sodium hexametaphosphate
0.01 - 0.5
G. Water Balance
______________________________________
Claim 19
Dependent Claim
68 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
(100 mesh) 20.0
B. Sodium lignosulfonate
(50% aqueous solution)
10.0
C. Finely divided graphite
10.0
D. Sodium formate 5.0
E. Sodium alginate polymer
0.2
F. Formaldehyde 1,000 ppm
G. Sodium hexametaphosphate
(20% aqueous solution)
0.2
H. Water Balance
______________________________________
Claim 20
Dependent Claim
68 words
An ingot mold for producing steel ingots having its inner surfaces coated with a composition consisting essentially of: ______________________________________
Ingredients % By Weight
______________________________________
A. Finely divided Fe.sub.2 O.sub.3
(100 mesh) 20.0
B. Sodium lignosulfonate
(50% aqueous solution)
10.0
C. Finely divided graphite
10.0
D. Sodium formate 5.0
E. Sodium alginate polymer
0.2
F. Formaldehyde 1,000 ppm
G. Sodium hexametaphosphate
(20% aqueous solution)
0.2
H. Water Balance
______________________________________
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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) | 1981-06-05 | 1981-12-05 | 1982-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-05 | 1985-12-05 | 1986-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-05 | 1989-12-05 | 1990-06-06 | $7700.00 | Window Closed / Lapsed |