METHOD FOR CUTTING GLASS ROD AND CUTTING DEVICE FOR USE THEREIN

Title:

METHOD FOR CUTTING GLASS ROD AND CUTTING DEVICE FOR USE THEREIN

Document Type and Number:

WIPO Patent Application WO/2002/085804

Kind Code:

A1

Abstract:

A method for cutting a glass rod and a cutting device in which a glass rod for producing a glass base material is cut without causing any crack or break at the root part where the glass rod is grasped. The device for cutting a glass rod (11) into a specified length while grasping the opposite ends thereof, wherein a Y-shaped support (18) is disposed to support the glass rod (11) from below at a position between the opposite ends thereof. The support (18) comprises a carbon sleeve of columnar body arranged to rotate about two leg parts constituting a forked leg part and the carbon sleeve can rotate as the glass rod moves in the axial direction.

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Inventors:

SUGIYAMA TAKASHI (JP)
HABASAKI TOSHIMI (JP)

Application Number:

PCT/JP2001/010224

Publication Date:

October 31, 2002

Filing Date:

November 22, 2001

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)
SUGIYAMA TAKASHI (JP)
HABASAKI TOSHIMI (JP)

International Classes:

C03B23/045; C03B33/085; C03B37/012; C03B37/014; (IPC1-7): C03B33/085

Foreign References:

EP0999189A1	2000-05-10
JPS5443914A	1979-04-06

Other References: