Method of assembling a fault limiter by molding a rigid housing

Details Method of assembling a fault limiter by molding a rigid housing Method of assembling a fault limiter by molding a rigid housing

1979-02-01

1980-10-21

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

29623, 174 52PE, 264230, 264262, 264266, 264272, B29C 604

Patent

active

042294037

ABSTRACT:
A helical fusible element is supported by an element support member which is disposed between two terminal assemblies, which terminal assemblies are of larger diameter than the diameter of the combination of the fusible element and the element support member. A flexible container is formed around the element support member and the fusible element on the circumference of the terminal assemblies to enclose these elements except for the ends of the terminal assemblies. A hole through the enclosure is provided through which a suitable particulate arc quenching material is admitted so as to completely fill the enclosed region. The hole is then sealed. The completed subassembly is then encapsulated in a resinous compound using a split mold. The contraction of the resinous compound as it cures compresses the flexible container and the particulate arc quenching material, thereby insuring maximum density of the arc quenching material without interfering with the desirable porous nature of the arc quenching material.

REFERENCES:
patent: 3297819 (1967-01-01), Wetmore
patent: 3800262 (1974-03-01), Cinquin
patent: 4001655 (1977-01-01), Voyles et al.
patent: 4035753 (1977-07-01), Reeder

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