Method for passing an insulated wire through the inside of ferro

Details Method for passing an insulated wire through the inside of ferro Method for passing an insulated wire through the inside of ferro

1975-01-08

1976-08-24

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Electrical device making

219 1049, 219 1051, 219301, H05B 300

Patent

active

039758192

ABSTRACT:
In the construction of heat-generating pipe utilizing skin effect current consisting of a ferromagnetic pipe and an insulated wire passed therethrough, a liquid is introduced in advance in said ferromagnetic pipe, and then the insulated wire having an arrangement for making an apparent specific gravity thereof almost equal to or smaller than the specific gravity of said liquid is passed through the inside of the ferromagnetic pipe, whereby the frictional force between said ferromagnetic pipe and insulated wire is reduced, and passing of insulated wire through longer ferromagnetic pipe becomes easier.

REFERENCES:
patent: 920455 (1909-05-01), Greenan
patent: 1598293 (1926-08-01), Luck
patent: 3079673 (1963-03-01), Loehlein et al.
patent: 3293407 (1966-12-01), Ando
patent: 3374535 (1968-03-01), Tranel
patent: 3591770 (1971-07-01), Ando
patent: 3840972 (1974-10-01), Bindari

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