Method of extracting insulated wires from a shielded cable

Details Method of extracting insulated wires from a shielded cable Method of extracting insulated wires from a shielded cable

1986-12-22

1987-07-28

Echols, Percy W.

Metal working

Method of mechanical manufacture

Electrical device making

81 951, 81488, 223104, H01R 4300

Patent

active

046824138

ABSTRACT:
A method of extracting a portion of one or more insulated wires from within a shielded cable with a minimum of damage to the wire insulation. A predetermined length of outer insulation covering one end of the shielded cable is removed, exposing a portion of the braided wire shield beneath which is then pushed back against the edge of remaining outer insulation causing a portion of the braided wires to distend and loosen. The loosened wires are separated to form an aperture in the shield thereby exposing a section of the insulated wires. The shielded cable is bent back at the aperture to further expose the insulated wires. Then the rounded tip of an elongated tool is inserted between the insulated wires and the shield causing the insulated wires to separate from the shield. Preferably the elongated tool has an arcuately-shaped tapered head with a substantially elliptical tip portion to distribute the load bearing forces on the insulation. Using the insulated wires as the axis of rotation, a greater portion of the tool head is continuously pushed and rotated between the insulated wires and the shield. During this step the tool is twisted slightly from side-to-side to ease the wires onto the tool head and eventually to the body of the tool. When the insulated wires are on the body of the tool, the shield is secured and the wires are pulled or pushed out of the aperture thus removing them from the braided wire shield.

REFERENCES:
patent: 567589 (1896-09-01), Fredericks
patent: 3893603 (1975-07-01), Rush

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