| Patent Number |
Title Of Patent |
Date Issued |
| 4743734 |
Nozzle for plasma arc torch |
May 10, 1988 |
| Nozzle for plasma arc torch includes internal and external forming nozzles mounted one within other and fitted to the torch housing to form first and second gaps. The first gap is formed between the torch cathode and the internal nozzle, an internal vortex generator mounted in it. An ext |
| 4691090 |
Method and device for plasma cutting of non-metallic materials |
September 1, 1987 |
| An improved method and arrangement for cutting non-metallic materials by means of a plasma arc which is formed between a plasma torch and a confronting non-melting electrode-anode. The arrangement includes an arrangement for rotating the electrode-anode during and/or prior to cutting |
| 4370539 |
Device for the manual start-up of a plasma torch |
January 25, 1983 |
| Device for the manual start-up of a plasmotron. The device has a spring biased plunger which constitutes an electrode which selectively bridges the anode and cathode of the plasmotron and creates an arc between the anode and cathode when it is released so as to be retracted by the spring |
| 4369919 |
Plasma torch for processing metals in the air and under water |
January 25, 1983 |
| Plasma torch or plasmotron for processing metals in the air or under water. The plasma stream issuing from the torch is shielded by a conical spray of water issuing from the torch. The water spray is given a rotary or whirling motion, thereby increasing its effectiveness in shielding the |
