Pre-aligned demountable plasma torch

Details Pre-aligned demountable plasma torch Pre-aligned demountable plasma torch

1987-01-30

1988-04-19

Paschall, M. H.

Electric heating

Metal heating

By arc

219121P, 219121PR, 31511151, B23K 900

Patent

active

047391472

ABSTRACT:
An improved pre-aligned demountable plasma torch wherein the three tubes that are generally used in demountable plasma torches are now joined together with standard taper joints. The axis of the standard taper joints are essentially centrally aligned with the central long axis of the tubes so that the tubes are pre-aligned and essentially concentric in the assembled torch. If any of the tubes becomes damaged in use they can be replaced with a similarly constructed tube with a minimum of interruption and expense, without the need to adjust the tubes to be essentially concentric and in an assembly consisting of only 3 parts.

REFERENCES:
patent: 4035604 (1977-07-01), Meleka et al.
patent: 4551609 (1985-11-01), Falk
patent: 4575609 (1986-03-01), Fassel et al.
patent: 4578560 (1986-03-01), Tanaka et al.
Cobbold, David G., "Comments on the Analytis of High-solids Matrices Using the Meinhard Concentric Nebulizer in ICP Atomic Emission Spectroscopy," Applied Spectroscopy, vol. 40, No. 8, pp. 1242-1244, 1986.
Borsier, M. et al., "La R'egulation Automatique Des D'ebits De Gainage Et De N'ebulisation Dans un Plasma a' Couplage Inductif: un Gain De Stabilit'e Pour l'Analyse De Routine en Prospection G'eochimique," Spectrochimica Acta, vol. 41B, Nos. 1/2, pp. 115-123, 1986, printed in Great Britain.
Windsor, D. L. et al., "A High Power Inductively Coupled Plasma Torch and Impedance Matching Network," Applied Spectroscopy, vol. 33, No. 1, pp. 56-58, 1979.
Publication of the Perkin Elmer Demountable Plasma Torch, pp. 6, 8, and 12, (this reference is not dated).
Publication of the Allied Systems Semi-Demountable Plasma Torch, (this reference is not dated).

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