Method for passing a cable, a wire or an optical fiber through a

Details Method for passing a cable, a wire or an optical fiber through a Method for passing a cable, a wire or an optical fiber through a

1990-09-10

1992-06-02

Focarino, Margaret A.

Conveyors: fluid current

Conduit

Having fluid nozzle

406 92, 406192, 2541344, B65G 5102, B65G 5342

Patent

active

051182262

ABSTRACT:
In a method of passing a wire, cable, optical fiber or the like through a passage, a coanda spiral flow unit is connected to the passage, a pressure release port is provided along the length from the coanda spiral flow unit to the end of the passage, compressed gas is supplied from a portable-type compressed gas supply through a coanda slit of said coanda spiral flow unit, a conductor or a guide is inserted through an end introducing port of said coanda spiral flow unit and passed through the passage. Smooth passing operations can be conducted at high speeds, even through a long and thin passage with many bends.

REFERENCES:
patent: 2310265 (1943-02-01), Sweeny
patent: 2924868 (1960-02-01), Dyer
patent: 2982082 (1961-05-01), Pool
patent: 3276821 (1966-10-01), Edwards
patent: 4684296 (1987-08-01), Horii et al.
patent: 4721126 (1988-01-01), Horii
patent: 4953827 (1990-09-01), Araki et al.

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