Apparatus and method for pulling cable

Details Apparatus and method for pulling cable Apparatus and method for pulling cable

1994-05-05

1996-07-09

Matecki, Katherine

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

242557, 2423969, 254275, B66D 158

Patent

active

055337112

ABSTRACT:
A primary device placed at the upstream end of a duct and a relay device placed at an access point pull a cable through respective duct segments. The pulling speed of the primary device is controlled by an operator. The pulling speed of the relay device is variable in response to movement of the cable by the primary device to maintain equilibrium between the pulling speeds of the devices. The pulling tension exerted upon the cable by each device is monitored and discontinued upon reaching a predetermined maximum value. At the inlet to the second segment, lubricant is supplied to the cable at a quantitative rate which is proportional to the pulling speed.

REFERENCES:
patent: 4449317 (1984-05-01), Brodribb
patent: 4504023 (1985-03-01), Lauritzen
patent: 4624141 (1986-11-01), Soleau
patent: 4842207 (1989-06-01), Kinnan
patent: 5014997 (1991-05-01), Smith
patent: 5152506 (1992-10-01), Pickrell
patent: 5294066 (1994-03-01), Lacour
patent: 5324006 (1994-06-01), Pickrell

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