(under subclass 376) Processes wherein plasma is used during any stage of manufacturing or treating the glass fiber, filament, or fiber preform.
(1) Note. Utilizing a plasma torch or plasma electric arc to form a glass fiber is properly classified in this subclass.
(2) Note. A plasma is considered to be (a) a gaseous flame or (b) a highly ionized gas composed of ions, electrons, and neutral particles in which the positive ions and negative electrons are roughly equal in number.
SEE OR SEARCH CLASS
219, Electric Heating,
121.36+, for methods and apparatus for fusing (splicing) glass fibers, per se.
