Title:
OPTICAL FIBER PREFORM PRODUCING DEVICE AND PRODUCING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/168749
Kind Code:
A1
Abstract:
Provided are an optical fiber preform producing device and producing method that can adjust the position of a burner freely while ensuring airtightness within a reaction container. The optical fiber preform producing device according to the present invention comprises: a reaction container in which a starting base material is placed; a burner that is inserted from an opening of the reaction container and sprays glass soot onto the starting base material within the reaction container; and a sealing member that has an internal space for accommodating the burner, is capable of stretching according to the position of the burner, and airtightly connects the opening and the internal space.
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Inventors:
SHIRATSUCHI KAZUTOSHI (JP)
Application Number:
PCT/JP2022/003273
Publication Date:
August 11, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
C03B37/018
Foreign References:
| JPH09188523A | 1997-07-22 | |||
| JP2019073406A | 2019-05-16 | |||
| JP2016117616A | 2016-06-30 | |||
| JPH10167747A | 1998-06-23 | |||
| JPH0478226U | 1992-07-08 | |||
| JPS62202832A | 1987-09-07 | |||
| JP2001287923A | 2001-10-16 | |||
| JP2020083675A | 2020-06-04 | |||
| JPS5978945A | 1984-05-08 |
Attorney, Agent or Firm:
OKABE, Yuzuru et al. (JP)
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