B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/38 (2006.01) F02C 7/18 (2006.01)
Patent
CA 2266137
In a method of forming a cooling bore in a wall of a workpiece, the configuration of a feed section and a diffuser section is selected, a throughbore is produced with a cross-sectional area within the cross-sectional area of the feed section, and the diffuser section is cut out by a beam- or jet-drilling method in such a way that the drilling beam or jet in the region of the feed section remains essentially within the cross-sectional area of the latter.
Blochlinger Michael
Luketic Ivan
Semmler Klaus
Wilfert Gunter
Abb Research Ltd.
Alstom (switzerland) Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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