Fibre drawing or extruding details

Child Classifications

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• C03B 2205/02 Upward drawing
• C03B 2205/04 Non-vertical drawing
• C03B 2205/06 Rotating the fibre fibre about its longitudinal axis
• C03B 2205/08 Sub-atmospheric pressure applied, e.g. vacuum
• C03B 2205/10 pressurised
• C03B 2205/12 Drawing solid optical fibre directly from a hollow preform
• C03B 2205/20 Irradiation of the base fibre during drawing to modify waveguide properties
• C03B 2205/30 Means for continuous drawing from a preform
• C03B 2205/32 Simultaneous drawing of multiple preforms to separate multiple fibres
• C03B 2205/40 Monitoring or regulating the draw tension or draw rate
• C03B 2205/42 Drawing at high speed, i.e. > 10 m/s
• C03B 2205/44 Monotoring or regulating the preform feed rate
• C03B 2205/45 Monotoring or regulating the preform neck-down region with respect to position or shape
• C03B 2205/46 Monotoring or regulating the preform position with respect to the draw axis
• C03B 2205/47 Shaping the preform draw bulb before or during drawing
• C03B 2205/50 Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket
• C03B 2205/55 Cooling or annealing the drawn fibre prior to coating using a series of coolers or heaters
• C03B 2205/56 Annealing or re-heating the drawn fibre prior to coating
• C03B 2205/57 Recovering, recycling or purifying the coolant, e.g. helium
• C03B 2205/60 Optical fibre draw furnaces