Method and apparatus of manufacturing electric pole

Details Method and apparatus of manufacturing electric pole Method and apparatus of manufacturing electric pole

2007-11-06

2007-11-06

Cozart, Jermie E. (Department: 3726)

Metal working

Method of mechanical manufacture

Structural member making

C029S446000, C029S452000, C029S527300, C264S311000, C425S111000

Reexamination Certificate

active

10508408

ABSTRACT:
Disclosed are an electric pole manufacturing apparatus having an improved distal end, capable of reducing the cost, arranging tensile cores corresponding to a design load, and providing a high quality electric pole, and a method of manufacturing the electric pole. The apparatus comprises a mold having a dividable structure; a proximal end plate mounted to one end thereof for forming a proximal end of the electric pole, with a tensile core penetrating through one side thereof; a proximal end tensile plate spaced from the proximal end plate at a constant spacing; a proximal end tensile core fixing plate having the tensile core, with one end of the tensile core penetrating through a surface of the proximal end tensile plate; a distal end plate mounted to one end thereof for forming a distal end of the electric pole, through which the tensile core penetrates; a distal end tensile plate connected to a butt-end plate using a nut for coupling to a tension shaft lifted by a fastening force of the nut; and device for coupling the distal end tensile plate and the distal end plate, to apply the tensile force to the distal end plate.

REFERENCES:
patent: 2730783 (1956-01-01), Kennison
patent: 3993419 (1976-11-01), Mori et al.
patent: 5178887 (1993-01-01), O'Conner et al.

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