Patent ID: 6941772
Filing Date: 2005-09-13
Classification: C03B

Abstract:
1. An apparatus for manufacturing a glass-base-material, which is a base material of an optical fiber, comprising: a driving unit that drives a glass rod around an axis of said glass rod said driving unit comprising a first section and a second section; a burner for accumulating glass soot around an outside surface of said glass rod, which is driven by said driving unit, to form said glass-base-material; a weight-deducting unit, on which said driving unit is mounted, for deducting a predetermined weight from a total weight of said driving unit and said glass-base-material formed by said burner, said weight-deducting unit comprising: a measuring unit provided under said weight-deducting unit for measuring said total weight, from which said predetermined weight is deducted by said weight-deducting unit.