Method and apparatus for drying and consolidating a preform for optical fibres

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United States of America

PATENT NO RE50249
SERIAL NO

17965365

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Abstract

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A process and an apparatus for drying and consolidating an optical fibre preform in a furnace tube comprising a heating chamber, wherein an extension tube having an extension chamber configured to house at least a length portion of the preform is removably joined to the furnace tube and the drying process starts with the preform not completely inserted into the furnace tube, an upper length portion of the preform being surrounded by the extension tube joint to the furnace tube.

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Patent Owner(s)

Patent OwnerAddress
PRYSMIAN S P A20126 MILANO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caronna, Valeria Milan, IT 12 17
Grieco, Stefano Milan, IT 12 12
Schiaffo, Antonio Milan, IT 13 27

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