US PATENT SUBCLASS 65 / 136.1
.~.~.~ Preheating batch material

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
134.1  DF  .~ Fining or homogenizing molten glass {13}
135.9  DF  .~.~ By charging batch material {3}
136.1.~.~.~ Preheating batch material

DEFINITION

Classification: 65/136.1

Preheating batch material:

(under subclass 135.9) Processes wherein the batch material is heated before being delivered to a furnace (e.g., melter).