A CAP ASSEMBLY AND A METHOD OF COOLING A HOT DRAWN FIBER IN A HEAT EXCHANGE UNIT

摘要

A cap assembly for collecting cooling gas from a coolant chamber tube is disclosed. The cap assembly having connecting means and outlet means extending from its side walls being generally shaped and sized for detachable mounting on the body of the cooling gas chamber tube. The cap assembly is also employed in a hot optical fiber process which is being cooled by helium.