The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2007
Filed:
Jul. 18, 2001
Tadakatsu Shimada, Gunma-ken, JP;
Yuuji Tobisaka, Gunma-ken, JP;
Kazuhisa Hatayama, Gunma-ken, JP;
Hideo Hirasawa, Gunma-ken, JP;
Tadakatsu Shimada, Gunma-ken, JP;
Yuuji Tobisaka, Gunma-ken, JP;
Kazuhisa Hatayama, Gunma-ken, JP;
Hideo Hirasawa, Gunma-ken, JP;
Shin-Etsu Chemical Co., LTD., Tokyo, JP;
Abstract
A glass base material manufacturing apparatus for manufacturing a glass base material comprising: a plurality burners, arranged in a row at a predetermined intervals along the longitudinal direction of a starting base material of the glass base material, for forming a deposit, which is a base material of the glass base material by depositing glass soot on the starting base material while moving reciprocatory over a section of the entire length of the starting base material along the longitudinal direction of the starting base material; a plurality of flow rate regulators, at least one of which is connected to the plurality of burners, respectively, for regulating a flow rate of raw material gas of the glass soot, which is supplied to the plurality of burners; and a control unit connected to each of the plurality of flow rate regulators for controlling individually the plurality of flow rate regulators.