CA2013731A1 - Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques - Google Patents

Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques

Info

Publication number
CA2013731A1
CA2013731A1 CA 2013731 CA2013731A CA2013731A1 CA 2013731 A1 CA2013731 A1 CA 2013731A1 CA 2013731 CA2013731 CA 2013731 CA 2013731 A CA2013731 A CA 2013731A CA 2013731 A1 CA2013731 A1 CA 2013731A1
Authority
CA
Canada
Prior art keywords
muffle tube
carbon
highly pure
preform
heating furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2013731
Other languages
English (en)
Inventor
Ichiro Tsuchiya
Yoichi Ishiguro
Masahide Saitoh
Shinji Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to CA 2013731 priority Critical patent/CA2013731A1/fr
Publication of CA2013731A1 publication Critical patent/CA2013731A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Manufacture, Treatment Of Glass Fibers (AREA)
CA 2013731 1990-04-03 1990-04-03 Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques Abandoned CA2013731A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2013731 CA2013731A1 (fr) 1990-04-03 1990-04-03 Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2013731 CA2013731A1 (fr) 1990-04-03 1990-04-03 Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques

Publications (1)

Publication Number Publication Date
CA2013731A1 true CA2013731A1 (fr) 1991-10-03

Family

ID=4144659

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2013731 Abandoned CA2013731A1 (fr) 1990-04-03 1990-04-03 Four de chauffage de preformes de quartz de grande purete pour la fabrication des fibres optiques

Country Status (1)

Country Link
CA (1) CA2013731A1 (fr)

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead