Burner head of a burner welding or cutting arc electric contact nozzle positively retained.

摘要

Burner head (9) of a burner welding or cutting arc light with preferably fusible electrode, such as wire electrode or the like, with a contact nozzle (1), wherein the burner head (9) has a tongue fastening (2) for releasably retaining the contact nozzle (1) in the burner head (9), characterized in that in a middle section (12) locking tab (2) has an outer contour shaped cone or cone (7) which is received by a corresponding inner contour of the burner head (9), and that the contact nozzle (1) and the fastening tab (2) each comprise means correspond to each other that when the contact nozzle (1) is retained in the burner head (9) form a positive connection between contact nozzle (1) and the tang (2), so that a binding is obtained force applying large area between the tobe ra contact and the burner head.