Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – By fluid pressure differential in conduit
Patent
1991-05-02
1992-07-07
Hartman, J. J.
Implements or apparatus for applying pushing or pulling force
Method or apparatus for placement of conductive wire
By fluid pressure differential in conduit
E21C 2916
Patent
active
051276305
ABSTRACT:
A method for inserting cables within a pipe characterized by closing one end of the pipe with a cap having an opening or port for introducing a flow of an agent and having a plurality of closed entry channels, opening one of said entry channels and inserting a cable through said opened entry channel while applying a flow through the opening or port so that the flowing agent creates a turbulence within the pipe for engaging the surfaces of the cable inserted through the opened entry channel to carry said cable along the length of said pipe.
REFERENCES:
patent: 3283123 (1966-11-01), Atkinson et al.
patent: 3689031 (1972-09-01), Ruddick et al.
patent: 4508317 (1985-04-01), Conti
patent: 4691896 (1987-09-01), Reeve et al.
patent: 4822005 (1989-04-01), Aleshire
Hartman J. J.
Siemens Aktiengesellschaft
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