Electrophotographic belt, production method of electrophotographic belt, and electrophotographic apparatus
First Claim
1. An electrophotographic belt composed of a thermoplastic resin composition including thermoplastic resin,wherein with respect to a flake-shaped portion of the electrophotographic belt, having an arc length of 5% of the inner peripheral length of the electrophotographic belt,when the thickness of the flake-shaped portion is measured at intervals of one millimeter in the peripheral direction, the difference between the maximum value and the minimum value of the measured value is 2% or more and 20% or less of an arithmetic average value, andwherein, when the thickness of the electrophotographic belt is measured at equal intervals at 20 points across the entire periphery in the peripheral direction of the electrophotographic belt, and the measured values are taken astn(n=1, 2, . . . 20) (μ
- m), respectively, a center of gravity Z found by the following formula (1);
z=√
{square root over (X2+Y2)}
(1)(in the formula (1), X and Y are,
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Abstract
The electrophotographic belt of the present invention is characterized that, in the electrophotographic belt composed of the thermoplastic resin composition containing thermoplastic resin, with respect to a flake-shaped portion having an arc length of 5% of the inner peripheral length of the electrophotographic belt, when the thickness of the flake-shaped portion is measured at intervals of 1 mm in the peripheral direction, the difference between the maximum value and the minimum value of the measured value is 2% or more and 20% or less of an arithmetic average value.
20 Citations
8 Claims
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1. An electrophotographic belt composed of a thermoplastic resin composition including thermoplastic resin,
wherein with respect to a flake-shaped portion of the electrophotographic belt, having an arc length of 5% of the inner peripheral length of the electrophotographic belt, when the thickness of the flake-shaped portion is measured at intervals of one millimeter in the peripheral direction, the difference between the maximum value and the minimum value of the measured value is 2% or more and 20% or less of an arithmetic average value, and wherein, when the thickness of the electrophotographic belt is measured at equal intervals at 20 points across the entire periphery in the peripheral direction of the electrophotographic belt, and the measured values are taken as tn(n=1, 2, . . . 20) (μ - m), respectively, a center of gravity Z found by the following formula (1);
z=√
{square root over (X2+Y2)}
(1)(in the formula (1), X and Y are, - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- m), respectively, a center of gravity Z found by the following formula (1);
Specification