Method and apparatus for introducing a cable into a conduit

Details Method and apparatus for introducing a cable into a conduit Method and apparatus for introducing a cable into a conduit

1998-01-15

2000-02-01

Eley, Timothy V.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

By fluid pressure differential in conduit

2541343R, B65H 5900

Patent

active

060193514

ABSTRACT:
A new cable (16) may be introduced into a conduit (11) having an existing cable (13) therein by splicing the conduit (11) to form conduit ends (11A, 11B) with the existing cable (13) extending therebetween. The new cable (16) is positioned in a conduit section (58). A piston (67) may be attached to the leading end of the new cable (16) and is positioned in the conduit (11). A block (15) encloses the conduit ends (11A, 11B) and one end of the conduit section (58). The other end of the conduit section (58) is attached to a blower (70) which provides air under pressure through the conduit section (58), through the block (15) and against the piston (67) to position the new cable (16) in the conduit (11).

REFERENCES:
patent: 404902 (1889-06-01), Edison
patent: 3244403 (1966-04-01), Ensley
patent: 4451183 (1984-05-01), Lorenz
patent: 4756510 (1988-07-01), Klamm et al.
patent: 4822005 (1989-04-01), Aleshire
patent: 4850569 (1989-07-01), Griffioen et al.
patent: 4856760 (1989-08-01), Frost et al.
patent: 4934662 (1990-06-01), Griffioen et al.
patent: 5121644 (1992-06-01), Grey et al.
patent: 5156376 (1992-10-01), Spicer
patent: 5197715 (1993-03-01), Griffioen
Condux "Fiber Optic Cable Blower" advertisement (6 pages), 1997.
Vikimatic "Cable Blowing Equipment" advertisement (4 pages), 1995.

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