C03B2205/00 - CPC Classification

Fibre drawing or extruding details

• C03B2205/02 » Upward drawing 2
• C03B2205/04 » Non-vertical drawing 3
• C03B2205/06 » Rotating the fibre fibre about its longitudinal axis 36
• C03B2205/08 » Sub-atmospheric pressure applied, e.g. vacuum 33
• C03B2205/10 » pressurised 49
• C03B2205/12 » Drawing solid optical fibre directly from a hollow preform 8
• C03B2205/20 » Irradiation of the base fibre during drawing to modify waveguide properties 10
• C03B2205/30 » Means for continuous drawing from a preform 30
• C03B2205/32 » Simultaneous drawing of multiple preforms to separate mulitiple fibres 3
• C03B2205/40 » Monitoring or regulating the draw tension or draw rate 74
• C03B2205/42 » Drawing at high speed, i.e. > 10 m/s 43
• C03B2205/44 » Monotoring or regulating the preform feed rate 13
• C03B2205/45 » Monotoring or regulating the preform neck-down region with respect to position or shape 12
• C03B2205/46 » Monotoring or regulating the preform position with respect to the draw axis 5
• C03B2205/47 » Shaping the preform draw bulb before or during drawing 14
• C03B2205/50 » Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket 13
• C03B2205/55 » Cooling or annealing the drawn fibre prior to coating using a series of coolers or heaters 32
• C03B2205/56 » Annealing or re-heating the drawn fibre prior to coating 42
• C03B2205/57 » Recovering, recycling or purifying the coolant, e.g. helium 3
• C03B2205/60 » Optical fibre draw furnaces 20

Recent Application in this class: