Installing an optical fibre line in a duct

Details Installing an optical fibre line in a duct Installing an optical fibre line in a duct

1996-10-15

1998-04-14

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

By fluid pressure differential in conduit

B65H 5900

Patent

active

057383383

ABSTRACT:
The moisture content of compressed air being supplied by a compressor 24 to propel an optical fibre line 18 along a duct is monitored by a dew point meter 22 and adjusted such that it is maintained within a predetermined range. The adjustment is carried out by passing the compressed air through two passages 30, 32 arranged in parallel with one passage 30 being provided with means 20 for increasing the moisture content of the air passing therethrough and adjusting the relative flow rates through the two passages.

REFERENCES:
patent: 5645267 (1997-07-01), Reeve et al.
Patent Abstracts of Japan--vol. 009, No. 148 (P-366), 22 Jun. 1985.

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