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Audio Signal Processing

Insulator-comprising-a-holding-metal-fitting-and-a-fiber-reinforced-plastic-rod-held-in-the-sleeve-of-the-metal-fitting-under-pressure

Measuring device with optical signal transmission

FIG. 1 shows an optically coupled measuring device according to the invention for transmitting and ...

Predistortion equalizing circuit

Another object of this invention is to provide a new and improved predistortion equalizer that ...

Optical communication of video information with distortion correction

I claim: 1. In an optical communication transmitter wherein a video signal is clamped, by a clamp ...

Fiber-optic feed network using series/parallel connected light emitting opto-electronic components

What is claimed is: 1. A fiber-optic feed network comprising: means for supplying RF feed energy; a ...

Frequency demodulator having circuit cancelling undesired signal components

An object of the present invention is to provide a frequency demodulation circuit which is capable ...

Optical branching equipment and optical network using the same

It is therefore an object of the present invention to provide a low-cost optical branching ...

Optical filter tuned by rotation and comprising a Fabry-Perot interferometer

The present invention consists in a rotation tuned optical filter comprising a Fabry-Perot type ...

High-power waveform generator

OF THE PREFERRED EMBODIMENTS Referring now to the drawings wherein like reference numerals refer ...

RF pulse transmitter having incidental phase modulation (IPM) correction

The present invention relates to an RF pulse transmitter, preferably for use in precision distance ...

Method and apparatus for reducing off-channel interference produced by a linear transmitter

What is claimed is: 1. In a linear transmitter that includes an information signal source and a ...

Insulator comprising a holding metal fitting and a fiber reinforced plastic rod held in the sleeve of the metal fitting under pressure

Details

Inventors: Ishihara, Takeshi; Kojima, Masaru;
Assignee: NGK Insulators Ltd. (Nagaya, JP)
Primary Examiner: Askin; Laramie E.
Assistant Examiner:
Attorney, Agent or Firm: Stevens, Davis, Miller & Mosher

An insulator having an improved fatigue life is disclosed. The insulator comprises a fiber reinforced plastic rod and a holding metal fitting composed wholly or partly of a sleeve, which has a base portion and an inlet portion having a tapered thickness, and holds the rod in the sleeve under pressure.

DETAILED DESCRIPTION The object of the present invention is to provide an insulator, which is free from the above-described drawbacks and has an improved fatigue life.
The feature of the present invention is the provision of an insulator comprising a fiber reinforced plastic rod and a holding metal fitting wholly or partly composed of a sleeve and holding said rod in the sleeve under pressure, an improvement comprising constituting said sleeve with a base portion for defining mainly the static load performance of the insulator, and an inlet portion having a tapered thickness and defining mainly the vibration fatigue performance of the insulator.

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