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US4282012A
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Composition for the manufacture of abrasive tools
Assignee: Individual
•
Filing: 1979-02-05
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Granted: 1981-08-04
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Expires: 1999-02-05
Abstract
Abstract The present invention relates to compositions for the manufacture of abrasive tools which can be most effectively used for the manufacture of tools employed for machining of articles made of sitals, hard alloys and other difficultly machinable materials. This composition contains, as a binding agent, compounds selected from the group of caustic alkalis in combination or separately, the composition components having the following proportions, percent by volume: ______________________________________ abrasive powders 12.5 to 37.5 metal powders 25.0 to 62.5 caustic alkalis 12.5 to 50.0 ______________________________________
Inventors
- 👤 Viktor A. Lobachev
- 👤 Vladimir G. Safronov
- 👤 Faina B. Danilova
- 👤 Vladimir N. Lvov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:26
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; C; C22; C22C; C22C26/00
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
76 words
In a composition for the manufacture of abrasive tools consisting essentially of abrasive powders, metal powders and a binding agent, wherein the improvement comprises, the binding agent is a solid caustic alkali selected from the group consisting of potassium hydroxide and sodium hydroxide separately or in combination, the components being present in the following proportions, in percent by volume: ______________________________________
abrasive powders
12.5 to 37.5
metal powders 25.0 to 62.5
caustic alkali[s]
12.5 to 50.0.
______________________________________
Claim 2
Dependent Claim
76 words
In a composition for the manufacture of abrasive tools consisting essentially of abrasive powders, metal powders and a binding agent, wherein the improvement comprises, the binding agent is a solid caustic alkali selected from the group consisting of potassium hydroxide and sodium hydroxide separately or in combination, the components being present in the following proportions, in percent by volume: ______________________________________
abrasive powders
12.5 to 37.5
metal powders 25.0 to 62.5
caustic alkali[s]
12.5 to 50.0.
______________________________________
Claim 3
Dependent Claim
13 words
The composition of claim 1, wherein the caustic alkalis are a eutectic mixture.
Claim 4
Dependent Claim
21 words
The composition of any of claims 1 or 2, wherein the caustic alkali is a mixture of sodium and potassium hydroxide.
Claim 5
Dependent Claim
24 words
The composition of claim 1, wherein said abrasive powder is selected from the group consisting of diamond, silicon carbide, boron nitride, and mixtures thereof.
Claim 6
Dependent Claim
27 words
The composition of claim 1, wherein the metal powders are selected from the group consisting of copper, tin, iron, aluminum, titanium, zinc, cadmium, silver, and mixtures thereof.
Claim 7
Dependent Claim
21 words
The composition of claim 1, wherein the metal powders are selected from the group consisting of copper, tin, and mixtures thereof.
Claim 8
Dependent Claim
11 words
The composition of claim 1, wherein said abrasive powder is diamond.
Claim 9
Dependent Claim
100 words
In a method for manufacturing an abrasive tool consisting essentially of abrasive powders, metal powders and a binding agent as components, the improvement wherein the binding agent is a solid caustic alkali selected from the group consisting of potassium hydroxide and sodium hydroxide, alone or in combination, and said components are mixed in the following proportions, in percent by volume: ______________________________________
abrasive powders 12.5 to 37.5
metal powders 25.0 to 62.5
caustic alkali 12.5 to 50.0;
______________________________________ charging the mixed components into a compression mold and compressing said mold at sufficient pressure and temperature to melt the caustic alkali component.
Claim 10
Dependent Claim
100 words
In a method for manufacturing an abrasive tool consisting essentially of abrasive powders, metal powders and a binding agent as components, the improvement wherein the binding agent is a solid caustic alkali selected from the group consisting of potassium hydroxide and sodium hydroxide, alone or in combination, and said components are mixed in the following proportions, in percent by volume: ______________________________________
abrasive powders 12.5 to 37.5
metal powders 25.0 to 62.5
caustic alkali 12.5 to 50.0;
______________________________________ charging the mixed components into a compression mold and compressing said mold at sufficient pressure and temperature to melt the caustic alkali component.
Claim 11
Dependent Claim
20 words
The method of claim 8, wherein said pressure varies from 800-1200 kg/cm 2 and said temperature varies from 280°-550° C.
Claim 12
Dependent Claim
13 words
The method of claim 8, wherein the caustic alkalis are a eutectic mixture.
Claim 13
Independent Claim
21 words
The method of any of claims 8 or 10, wherein the caustic alkali is a mixture of sodium and potassium hydroxide.
Claim 14
Dependent Claim
24 words
The method of claim 8, wherein the abrasive powders are selected from the group consisting of diamond, silicon carbide, boron nitride and mixtures thereof.
Claim 15
Dependent Claim
27 words
The method of claim 8, wherein the metal powders are selected from the group consisting of copper, tin, iron, aluminum, titanium, zinc, cadmium, silver, and mixtures thereof.
Claim 16
Dependent Claim
21 words
The method of claim 8, wherein the metal powders are selected from the group consisting of copper, tin, and mixtures thereof.
Claim 17
Dependent Claim
11 words
The method of claim 8, wherein said abrasive powder is diamond.
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) | 1984-08-03 | 1985-02-02 | 1985-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-03 | 1989-02-02 | 1989-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-03 | 1993-02-02 | 1993-08-04 | $7700.00 | Window Closed / Lapsed |