US PATENT SUBCLASS 65 / 418
.~.~.~.~ Elongated material feed means within tube (e.g., reactant feed means place inside of tube, etc.)

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}
413  DF  .~.~ With step of vapor deposition {4}
417  DF  .~.~.~ Inside of tube or hollow form by soot buildup {3}
418.~.~.~.~ Elongated material feed means within tube (e.g., reactant feed means place inside of tube, etc.)

DEFINITION

Classification: 65/418

Elongated material feed means within tube (e.g., reactant feed means placed inside of tube, etc.):

(under subclass 417) Processes wherein an elongated vapor material delivery means is inserted into the tube to coat the inner surface of said tube.