C03B2205/47 - CPC Classification Index

ClassID:

87416 ⎘

C03B2205/47 - CPC Classification

Classification description:

Fibre drawing or extruding details Shaping the preform draw bulb before or during drawing

Recent Application in this class:

20230212057

2023-07-06

OPTICAL FIBER MANUFACTURING METHOD AND APPARATUS

20220055939

2022-02-24

OPTICAL FIBER GLASS PREFORM AND METHOD FOR DRAWING OPTICAL FIBER GLASS PREFORM

20180244556

2018-08-30

Production method for multicore optical fiber

20160264450

2016-09-15

Optical fiber base material machining method

20160185646

2016-06-30

Method of forming conical shape on glass rod, and glass rod

20150368143

2015-12-24

Method of manufacturing an optical fiber

20130327097

2013-12-12

Method of manufacturing an optical fiber

20120017644

2012-01-26

Method for drawing grin lens fiber

20090013726

2009-01-15

GLASS BASE MATERIAL, MANUFACTURING METHOD THEREOF, AND METHOD FOR MANUFACTURING OPTICAL FIBER

#10

20070245773

2007-10-25

Elongation method for producing an optical component of quartz glass and preliminary product suited for performing the method

#11

20070125128

2007-06-07

Optical fiber perform cone shaping or preparation method

#12

20050274151

2005-12-15

Method of manufacturing single mode optical fiber

#13

20050271339

2005-12-08

Preform, a head part for a preform and a method for manufacturing a fibre

#14

20050144987

2005-07-07

Method for making a preform

#15

20050132753

2005-06-23

Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus