Structure for a cable connection head

Details Structure for a cable connection head Structure for a cable connection head

2005-03-03

2008-09-02

Nguyen, Chau N (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

C174S08800C

Reexamination Certificate

active

07420121

ABSTRACT:
To fill a cable connection head with an insulating oil and provide a movable lid member of the oil to ensure a long-term insulating property in the cable connection head and enable long-term continuous use of a measuring device.A cable connection head18having a head body21comprised of a bottom head body19and a top head body20connected to a measuring device body6, having a well logging cable1passed through the top head body30, and having core conductors of sheathed cables2connected to a connector11fit into the bottom head body19, wherein the bottom head body19is filled with a low viscosity insulating oil29with a specific gravity heavier than the borehole fluid, outflow of the low viscosity insulating oil29is prevented, and a movable sealing member30preventing entry of borehole fluid is provided movably inside the bottom head body19.

REFERENCES:
patent: 3401749 (1968-09-01), Daniel
patent: 5141051 (1992-08-01), Lenhart
patent: 7114563 (2006-10-01), Rose
patent: 62-64080 (1987-03-01), None

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