.~ With purifying or homogenizing molten glass (e.g., removing bubbles, etc.)
DEFINITION
Classification: 65/474
With purifying or homogenizing molten glass (e.g., removing bubbles, etc.):
(under subclass 376) Processes including a step of treating molten stock material by (a) removing foreign or objectionable material or (b) making a melt uniform in physical characteristics or in composition throughout.
(1) Note. Processes of removing undissolved batch materials or gaseous impurities are properly classified here.