Plasma welding or cutting torch provided with a nozzle cartridge
First Claim
1. A plasma welding and cutting torch comprising a torch body having an interior, a source of plasma-producing gas connected to said interior, an annular skirt connected to the torch body and comprising at least a seat and a rear abutment, an electrode disposed in the skirt, an electrical supply conductor connected to the electrode, a plasma outlet nozzle freely slidably mounted in the skirt in facing relatio to and at a variable distance from the electrode and provided with a plasma outlet orifice, the nozzle being movable between said seat and said rear abutment and applicable against said seat solely under the effect of an elastic force.
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Accused Products
Abstract
The plasma welding or cutting torch comprises a hollow torch body (1) whose interior is connected to a source of plasma-producing gas, an electrode (2) disposed inside the body (1) and electrically connected to an electrical supply conductor, and a nozzle (3) provided with a plasma outlet orifice (34). This torch is characterized in that it comprises a cartridge (60) which cannot be disassembled and comprises an annular skirt (4) assembled by screwing with the torch body (1) and having a seat (18b) for the nozzle (3) which is freely slidably mounted in the skirt (4) and applied against the seat (18b) solely by the pressure of the plasma-producing gas.
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Citations
9 Claims
- 1. A plasma welding and cutting torch comprising a torch body having an interior, a source of plasma-producing gas connected to said interior, an annular skirt connected to the torch body and comprising at least a seat and a rear abutment, an electrode disposed in the skirt, an electrical supply conductor connected to the electrode, a plasma outlet nozzle freely slidably mounted in the skirt in facing relatio to and at a variable distance from the electrode and provided with a plasma outlet orifice, the nozzle being movable between said seat and said rear abutment and applicable against said seat solely under the effect of an elastic force.
Specification