C03B2205/60 - CPC Classification Index

ClassID:

87425 ⎘

C03B2205/60 - CPC Classification

Classification description:

Fibre drawing or extruding details Optical fibre draw furnaces

Sub-classes:

C03B2205/61 » Recovering, recycling or purifying the inert gas, e.g. helium 8
C03B2205/62 » Heating means for drawing 13
C03B2205/70 » Draw furnace insulation 4
C03B2205/72 » Controlling or measuring the draw furnace temperature 40
C03B2205/74 » Means for moving at least a part of the draw furnace, e.g. by rotation or vertical or horizontal movement 12
C03B2205/80 » Means for sealing the preform entry or upper end of the furnace 35
C03B2205/82 » Means for sealing the fibre exit or lower end of the furnace 12
C03B2205/90 » Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles 9

Recent Application in this class:

20260145987

2026-05-28

SYSTEM AND METHOD FOR FABRICATION OF HOLLOW-CORE FIBERS

20260049020

2026-02-19

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

20260049019

2026-02-19

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

20250051225

2025-02-13

OPTICAL FIBER MARKING ON THE DRAW

20240327267

2024-10-03

OPTICAL FIBER AND A GLASS PREFORM MANUFACTURING METHOD

20220390668

2022-12-08

DRAW TOWER GRATING PRODUCTION METHOD AND SYSTEM

20220212978

2022-07-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

20220106223

2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

20220106222

2022-04-07

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

#10

20220106221

2022-04-07

PROTECTIVE COATING FOR MUFFLE IN OPTICAL FIBER DRAW FURNACE

#11

20220002182

2022-01-06

Method and apparatus for suppressing flow instabilities in an optical fiber draw system

#12

20210395133

2021-12-23

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL FIBER

#13

20210387894

2021-12-16

Methods and systems for cooling optical fiber

#14

20200095157

2020-03-26

System and method for manufacturing optical fiber

#15

20200088936

2020-03-19

Draw tower grating production method and system

#16

20190322566

2019-10-24

Method for fabrication of sleeveless photonic crystal canes with an arbitrary shape

#17

20190292090

2019-09-26

Method and apparatus for suppressing flow instabilities in an optical fiber draw system

#18

20190047897

2019-02-14

System and method for manufacturing optical fiber

#19

20190031553

2019-01-31

System and method for manufacturing optical fiber

#20

20190031551

2019-01-31

System and method for manufacturing optical fiber

#21

20190031550

2019-01-31

System and method for manufacturing optical fiber

#22

20150068252

2015-03-12

OPTICAL FIBER DRAWING APPARATUS HAVING SIMPLE STRUCTURE AND OPTICAL FIBER DRAWING METHOD USING THE SAME

#23

20150040614

2015-02-12

Methods of making optical fiber with reduced hydrogen sensitivity that include fiber redirection