Roll of wound conduit tubing with prethreaded pull line

Details Roll of wound conduit tubing with prethreaded pull line Roll of wound conduit tubing with prethreaded pull line

1984-02-13

1985-07-16

Gilreath, Stanley N.

Winding, tensioning, or guiding

Wound storage package

2541343R, 2541344, 206389, 138103, 242 1, B65H 5500

Patent

active

045291489

ABSTRACT:
An apparatus for facilitating field installation of electrical conduit and fiber optic lines in a conduit and a method of providing pull line in such apparatus.
A roll of wound conduit tubing having a length of over 700 feet is provided with a pull line extending through the entire length of the wound tubing. The pull line has a tensile strength of about 45 pounds such that it will have sufficient strength to accomplish field pulling operations.

REFERENCES:
patent: 2644983 (1953-07-01), Curtiss
patent: 3013443 (1961-12-01), Morse
patent: 3120947 (1964-02-01), Hamrick
patent: 3179375 (1965-04-01), Hamrick
patent: 3246878 (1966-04-01), Hamrick
patent: 3689982 (1972-09-01), Campbell
patent: 3719982 (1973-03-01), Tindal
patent: 3778878 (1973-12-01), Bindari
patent: 3892912 (1975-07-01), Hauck
patent: 3927866 (1975-12-01), Linquist
patent: 3946480 (1976-03-01), Dienes
patent: 4137623 (1979-02-01), Taylor

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