Optical fiber preform fabrication installation

Details Optical fiber preform fabrication installation Optical fiber preform fabrication installation

1997-12-01

1999-10-26

Breneman, Bruce

Coating apparatus

Gas or vapor deposition

118722, C03B 37018

Patent

active

059721154

ABSTRACT:
An installation for fabricating an optical fiber preform includes a reaction tube and an excess silica soot exhaust tube equipped internally with a screw having flat helical threads for removing the excess soot. The screw is a helix hollowed out longitudinally and the installation includes a cylinder housed within the interior passage of the helix, eccentrically disposed within this passage and bearing against the inside surface of the helix. The cylinder is rotated about its axis.

REFERENCES:
patent: 4302230 (1981-11-01), MacChesney et al.
Patent Abstracts of Japan, vol. 7, No. 122, (C-168), May 26, 1983 corresponding to JP 58 041734 A (Showa Densen Denran Co., Ltd.) dated Mar. 11, 1983.
Patent Abstracts of Japan, vol. 6, No. 11 (C-88), Jan. 22, 1982 corresponding to JP 56 134528 A (Fujitsu Co. Ltd.) dated Oct. 21, 1981.
Patent Abstracts of Japan, vol. 11, No. 365 (C-460), Nov. 27, 1987 corresponding to JP 62 138338 A (Sumitomo Electric Ind. Co., Ltd.) dated Jun. 22, 1987.
Patent Abstracts of Japan, vol. 9, No. 171, (C-291), Jul. 16, 1985 corresponding to JP 60 041537 A (Sumitomo Electric Ind. Co., Ltd.) dated Mar. 5, 1985.

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