Patent ID: 9079265
Filing Date: 2015-07-14
Classification: B23K,H05H

Abstract:
1. A connection between a plasma torch wearing part and a plasma torch wearing part holder comprising: one of said plasma torch wearing part holder and said plasma torch wearing part having on a connecting side a first cylinder wall with an outer surface, a circular ring surface, and an external diameter D one of said plasma torch wearing part holder and said plasma torch wearing part, having on a connecting side a second cylinder wall with an inner surface and an internal diameter D when n=5, the sum of two adjacent midpoint angles among five midpoint angles α, β, γ, δ, and ε, by which at least one of said projections and depressions is displaced relative to any other projection or depression, is >0° and <180°, said two adjacent midpoint angles being one of α and β, β and γ, γ and δ, δ and ε, ε and α, said five midpoint angles α, β, γ, δ, and ε being of differing magnitude; when n>5: when said plasma torch wearing part holder and said plasma torch wearing part are connected, a clearance S existing between said external diameter D S=(D S=(D