Dressable heat conductive backing for abrasive wheels
First Claim
1. 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.
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Accused Products
3 Citations
1 Claim
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1. 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.
Specification
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Current AssigneeDon I. Dally, Stanley E. Kozdemba, Victor G. Soukup
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Original AssigneeDon I. Dally, Stanley E. Kozdemba, Victor G. Soukup
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InventorsKozdemba, Stanley E., Soukup, Victor G., Dally, Don I.
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Application NumberUS04/325,980Time in Patent Office1,666 DaysField of SearchUS Class Current524/440CPC Class CodesB24D 3/34 characterised by additives ...
