3227032

Information

• Patent Grant
• 3227032

• References
• Source

• Patent Number

  3,227,032

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • C03B37/02754 - Solid fibres drawn from hollow preforms
  • C03B37/029 - Furnaces therefor
  • G02B6/04 - formed by bundles of fibres
  • C03B2205/08 - Sub-atmospheric pressure applied
  • C03B2205/14 - comprising collapse of an outer tube onto an inner central solid preform rod
  • C03B2205/16 - the drawn fibre consisting of circularly symmetric core and clad
  • C03B2205/64 - Induction furnaces, i.e. HF/RF coil
  • C03B2205/68 - Hot gas
  • Y10S65/04 - Electric heat
  • Y10S65/08 - Quartz

• US Classifications

  • 385 - Optical waveguides
  • 065 - Glass manufacturing
  • 250 - Radiant energy