Abstract: Plume shield shroud (10) for a plasma gun (30) includes a substantially tubular member (14) comprising an axial length, a plume entry end (11), and a plume exit end (13). The shroud (10) is adapted to be mounted to a plasma gun (30). A method of protecting, confining or shielding of a gas plume of a plasma gun (30) includes mounting (20) a gas plume shroud (10) on the plasma gun (30) such that the shroud (10) is sized and configured to substantially surround at least a portion of the gas plume.
Type:
Grant
Filed:
January 25, 2011
Date of Patent:
January 27, 2015
Assignee:
Oerlikon Metco (US) Inc.
Inventors:
Richard McCullough, Mark F. Spaulding, Robert F. Savill, Jr., Ronald J. Molz