Shot-peening treatments
First Claim
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1. A METHOD OF INCREASING THE FATIGUE LIFE OF A METAL PART WHICH COMPRISES APPLYING AN INITIAL PARTICLE BLAST TREATMENT TO A SURFACE OF A METAL PART AND THEREAFTER FURTHER SUBJECTING SAID SURFACE TO ANOTHER PARTICLE BLAST OF AT LESSER INTENSITY AND SMALLER PARTICLE SIZE THEN WAS EMPLOYED IN SAID INITIAL PARTICLE BLAST TREATMENT.
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1 Claim
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1. A METHOD OF INCREASING THE FATIGUE LIFE OF A METAL PART WHICH COMPRISES APPLYING AN INITIAL PARTICLE BLAST TREATMENT TO A SURFACE OF A METAL PART AND THEREAFTER FURTHER SUBJECTING SAID SURFACE TO ANOTHER PARTICLE BLAST OF AT LESSER INTENSITY AND SMALLER PARTICLE SIZE THEN WAS EMPLOYED IN SAID INITIAL PARTICLE BLAST TREATMENT.
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Current AssigneeGeorge Roberts James, John J. Bush, Raymond L. Mattson
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Original AssigneeGeorge Roberts James, John J. Bush, Raymond L. Mattson
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InventorsBush, John J., Mattson, Raymond L., GEORGE ROBERTS JAMES
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Application NumberUS03/803,961Time in Patent Office1,383 DaysField of SearchUS Class Current72/53CPC Class CodesC21D 7/06 by shot-peening or the likeY10S 29/036 Shot blasting with other stepY10T 29/47 BurnishingY10T 29/49609 Spring making
