C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 7/13 (2006.01) B21D 11/14 (2006.01) F41A 21/00 (2006.01) C21D 9/10 (2006.01)
Patent
CA 2361014
Blank for a gun barrel, consisting of a steel bar, which bar, in one or more hot working steps, has been repeatedly wrung about its own longitudinal axis.
L'invention concerne une ébauche destinée à un canon d'armes à feu. Cette ébauche consiste en une barre d'acier qui a été tournée plusieurs fois autour de son axe longitudinal dans au moins une opération d'usinage à chaud.
Damasteel Aktiebolag
Ridout & Maybee Llp
LandOfFree
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