B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
B24C 1/10 (2006.01) B24C 3/32 (2006.01)
Patent
CA 2122186
ABSTRACT OF THE DISCLOSURE A method for shot peening a first tube external to and concentric with a second tube comprising the steps of forming a slot through the second tube; positioning a shot peening device adjacent the notch in the second tube for propelling shot peening balls; propelling the shot peening balls through the slot in the second tube for shot peening the second tube; and rotating the second tube in increments for shot peening an entire circumferential portion of the first tube positioned outwardly and radially from the slot. The invention in its broadest form also includes a system for shot peening a first tube external to and concentric with a second tube. The system comprising cutting means for cutting a slot through the second tube; a shot peening device cooperating with said cutting means for shot peening the first tube; positioning means attached to said shot peening device for positioning said shot peening device inside the second tube adjacent the slot in the second tube; and propelling means attached to and cooperating with said shot peening device for propelling shot peening balls through the slot in the second tube for shot peening the first tube.
Bevilacqua Bruce Wayne
Fink David Joseph
Bereskin & Parr
Westinghouse Electric Corporation
LandOfFree
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