C03B37/01225 - CPC Classification Index

ClassID:

87212 ⎘

C03B37/01225 - CPC Classification

Classification description:

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags; Manufacture of glass fibres or filaments; Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing

Sub-classes:

C03B37/01228 » {Removal of preform material } 59
C03B37/0124 » {Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down} 71
C03B37/01248 » {by collapsing without drawing} 46
C03B37/01251 » {Reshaping the ends} 16
C03B37/01254 » {by expanding radially, e.g. by forcing a mandrel through or axial pressing a tube or rod} 8
C03B37/01257 » {Heating devices therefor} 39
C03B37/0126 » {Means for supporting, rotating, translating the rod, tube or preform} 51

Recent Application in this class:

20250326678

INTEGRATED HOLLOW-CORE OPTICAL FIBER PREFORM, OPTICAL FIBER AND FABRICATION METHOD THEREOF

20240199468

INFRARED-TRANSMITTING, POLARIZATION-MAINTAINING OPTICAL FIBER AND METHOD FOR MAKING

20240190754

METHOD FOR FABRICATING AN OPTICAL FIBRE PREFORM

20210130221

Elongation method and preform for producing an optical glass component

20200371285

Apparatuses for scattering light and methods of forming apparatuses for scattering light

20200317557

Infrared-transmitting, polarization-maintaining optical fiber and method for making

20200277218

METHOD FOR KNOTTING GLASS FIBER BUNDLES AND SPLICED GLASS FIBER BUNDLE

20200156987

Method for fabricating an optical fibre preform

20180362392

Optical fiber

20180244558

Twisted glass canes for artists

20180009699

Method of manufacturing porous glass preform for optical fiber

20180002215

Formation of elongated glass components with low bow using a gripper device

20170362113

Method for forming a glass preform

20170320768

Elongation method and preform for producing an optical glass component

20160168007

Method of making an optical fiber preform and handle for use in making of optical fiber preform

20150323736

Multicore fiber and method of manufacturing the same

20130074551

METHOD OF MAKING MULTI-CORE OPTICAL FIBER AND METHOD OF MAKING MULTI-CORE OPTICAL FIBER CONNECTOR

20110056245

Methods for modifying ovality of optical fiber preforms

20100086271

Ultra low PMD fibers and method of making

20090003753

Method for generating a linear single polarization output beam

20070125127

METHODS FOR MODIFYING OVALITY OF OPTICAL FIBER PREFORMS

20050123256

Method of manufacturing a glass based material with defect removal

20050100306

Method for producing base material for optical fiber having deformed first clad, base material for optical fiber and optical fiber

20050084222

Preform for producing an optical fiber and method therefor

20050008313

Cladding-pumped optical fiber and methods for fabricating