US3389117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dressable heat conductive backing for abrasive wheels
Assignee: Milacron Inc
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Filing: 1963-11-26
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Granted: 1968-06-18
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Kozdemba
- 👤 Victor G Soukup
- 👤 Don I Dally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:43
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ABRASIVE WHEEL BACKING COMPRISED OF A NONABRASIVE MATERIAL AND A PHENOLIC RESIN BINDER, SAID BACKING BEING MOLDED UNDER HEAT AND PRESSURE TO FORM A RIGID BODY OF THE DESIRED CONFIGURATION, SAID BACKING COMPRISING ESSENTIALLY 20-35% BY WEIGHT OF A PHENOLIC RESIN BINDER AND 80-65% BY WEIGHT OF A POWDERED ALUMINUM ALLOY HAVING A NOMINAL GRAIN SIZE OF FROM 50-600 MESH, THE ALLOYING ELEMENT IN THE ALUMINUM BEING SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTH METALS, CALCIUM, SILVER, SILICON AND THE ELEMENTS CONTAINED IN GROUPS VI-B, VII-B AND VIII OF THE PERIODIC TABLE OF ELEMENTS, AND BEING PRESENT EITHER ALONE OR IN COMBINATION IN THE ALLOY TO AN EXTENT OF FROM 1-30% BY WEIGHT THEREOF, TO THEREBY PROVIDE AN ABRASIVE WHEEL BACKING WHICH IS EASILY DRESSABLE AND HAS SUPERIOR FLEXURAL STRENGTH AND HEAT TRANSFER PROPERTIES.
Claim 2
Dependent Claim
137 words
AN ABRASIVE WHEEL BACKING COMPRISED OF A NONABRASIVE MATERIAL AND A PHENOLIC RESIN BINDER, SAID BACKING BEING MOLDED UNDER HEAT AND PRESSURE TO FORM A RIGID BODY OF THE DESIRED CONFIGURATION, SAID BACKING COMPRISING ESSENTIALLY 20-35% BY WEIGHT OF A PHENOLIC RESIN BINDER AND 80-65% BY WEIGHT OF A POWDERED ALUMINUM ALLOY HAVING A NOMINAL GRAIN SIZE OF FROM 50-600 MESH, THE ALLOYING ELEMENT IN THE ALUMINUM BEING SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTH METALS, CALCIUM, SILVER, SILICON AND THE ELEMENTS CONTAINED IN GROUPS VI-B, VII-B AND VIII OF THE PERIODIC TABLE OF ELEMENTS, AND BEING PRESENT EITHER ALONE OR IN COMBINATION IN THE ALLOY TO AN EXTENT OF FROM 1-30% BY WEIGHT THEREOF, TO THEREBY PROVIDE AN ABRASIVE WHEEL BACKING WHICH IS EASILY DRESSABLE AND HAS SUPERIOR FLEXURAL STRENGTH AND HEAT TRANSFER PROPERTIES.
References Cited (Backward Citations)
US2150886A
Cited
US2963780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |