US PATENT SUBCLASS 65 / 401
.~.~ Extruding

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

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
385  DF  .~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
401.~.~ Extruding

DEFINITION

Classification: 65/401

Extruding:

(under subclass 385) Processes of forming an optical fiber, waveguide, or preform including a step wherein a positive

force or pressure is used to push glass through a die.