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公开(公告)号：US3568299A
公开(公告)日：1971-03-09
申请号：US3568299D
申请日：1968-06-11
Applicant: CATERPILLAR TRACTOR CO
Inventor： CALTON MARION R , WILLERTON JAMES A JR
CPC classification number: B23K20/129
Abstract: WELDING THIN WALL TUBES OF STEEL TOGETHER OR TO OTHER STRUCTURES BY FRICTION WELDING AT HIGH SPEED INCLUDING METHODS FOR DETERMINATION OF SUCH SPEEDS.
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