Measuring and testing – Dynamometers – Responsive to force
Reexamination Certificate
2005-05-17
2005-05-17
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Dynamometers
Responsive to force
C073S839000, C242S474700
Reexamination Certificate
active
06892589
ABSTRACT:
The invention relates to a proof testing method and a proof testing apparatus for optical fibre where a fibre (1) is guided to a first pulling device (2) and further to a second pulling device (3) and then onto a reel (11, 12), whereby the pulling devices subject the fibre to a desired amount of tensile strength, as a result of which the fibre breaks if the fibre (1) strength is insufficient. To achieve a continuous pulling and proof testing process, the fibre end is guided in the case of a fibre break between the first and the second pulling device (2, 3) by means of a first channel section (5), which guides the fibre to the second pulling device (3). After the second pulling device (3) the fibre end is guided into a second channel section (8) which is off the normal fibre track and along which the fibre (1) is guided into a scrap fibre processing system. At a desired moment the fibre (1) is guided from the second channel section (8) to the normal track, along which the fibre is guided onto a reel (11, 12).
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Mäkelä Keijo
Turunen Harri
Lefkowitz Edward
Miller Takisha
Nextrom Holding S.A.
Oliff & Berridg,e PLC
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