B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/1.3
B23K 26/00 (2006.01) B23K 26/24 (2006.01)
Patent
CA 1290404
Abstract of the Disclosure Virgin metal and metal alloy components are welded with and without filler material using a laser without cleaning the surfaces to be joined of mill scale and/or surface oxides, paints grease and other forms of contamination, and without edge preparation. The uncleaned, unprepared surfaces are placed in contact with each other, and a 100% through the thickness laser keyhole weld without filler metal is made in one pass, full penetration is achieved by two laser keyhole welds without filler metal (one made from each side), or resistively heated filler wire is fed into the metal pool of a laser conduction weld in one oe more passes along each side of the confronting surfaces to be joined. Quality welds are made despite gaps of varying size up to about 0.125 inches between the parts to be joined.
557162
Bruck Gerald J.
Denney Paul E.
O'brokta Ronald D.
Smith James E.
Whitlow Graham A.
Bruck Gerald J.
Denney Paul E.
O'brokta Ronald D.
Smart & Biggar
Smith James E.
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