Patent ID: 7232953

Claim:
An insulation cap comprising: a cap main body for receiving a wire joint, being formed by joining cores of a plurality of covered wires and an electro-conductive sleeve; a plurality of the flexible fasteners are continued to each base formed as an integral part of an inner wall of the cap main body, and extend toward a direction of inserting the wire joint, and are disposed at a position of axial symmetry, being disposed inside of the cap main body for fastening the wire joint within the cap main body by abutting on a rear end of the electro-conductive sleeve, whereby the flexible fastener is formed as an integral part of the cap main body by taking out a molding die through an opening at an opposite end of a joint insertion end of the cap main body, and a blind end receiving section is formed at the opposite end projectingly on the cap main body, said blind end receiving section spaced from said flexible fasteners in a direction of said opposite end and having dimensions and a shape capable of receiving the wire joint to be smaller in diameter than that of the cap main body.