ZKL BRNO A.S.
ZKL BRNO A.S. Patent applications | ||
Patent application number | Title | Published |
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20090139092 | METHOD AND MANUFACTURING OF BALL BEARING RINGS - Method of manufacturing of ball bearing's rings by rolling-out of the blanks from bearing's steel using a roll-out machine where the blank is heated at the temperature between 600° C. and 800° C. advantageously between 700° C. and 720° C. before being rolled-out. | 06-04-2009 |