Abstract: A connector (50) includes a tubular member (52) and a base tube (58). A light-guiding tube (60) is drawn out from the base tube (58) toward the opposite side to the tubular member (52). An adapter (1) includes: a first connecting portion (10) that can be connected to and disconnected from a light source device (70); a second connecting portion (20) that can be connected to and disconnected from the connector (50); and a light-guiding member (30) that guides light emitted from the light source device (70) to a proximal end surface (61) of the tube (60).

Abstract: A method for preparing an electrophotographic photoreceptor, includes coating an electroconductive substrate with an undercoat layer containing a blocked isocyanate compound, an oil-free alkyd resin including a hydroxyl group and basic amine; crosslinking the blocked isocyanate compound, oil-free alkyd resin including a hydroxyl group and basic amine; and coating the undercoat layer with a photosensitive layer.

Abstract: A method for preparing an electrophotographic photoreceptor, includes coating an electroconductive substrate with an undercoat layer containing a blocked isocyanate compound, an oil-free alkyd resin including a hydroxyl group and basic amine; crosslinking the blocked isocyanate compound, oil-free alkyd resin including a hydroxyl group and basic amine; and coating the undercoat layer with a photosensitive layer.

Abstract: An electrophotographic photoreceptor, including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate; and a photosensitive layer located overlying the undercoat layer, wherein the undercoat layer comprises a blocked isocyanate compound and a basic amine.

Abstract: An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second undercoat layer including a metal oxide and a binder resin, located overlying the first undercoat layer; and a photosensitive layer located overlying the second undercoat layer, wherein the metal oxide included in the second undercoat layer has a specific resistivity not less than 107 ?·cm and a block isocyanate compound.

Abstract: An electrophotographic photoreceptor including an electroconductive substrate, and a photosensitive layer formed overlying one side of the electroconductive substrate, wherein the photosensitive layer includes at least two charge generation materials which have spectral sensitivity in a different wavelength region, and wherein the photosensitive layer further includes an organic sulfur-containing compound.

Abstract: An electrophotographic photoreceptor and image processing method, the photoreceptor including an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer, wherein the undercoat layer includes a titanium oxide; an oil-free alkyd resin; a block isocyanate compound; and a metal oxide different from the titanium oxide, having an average particle diameter smaller than an average particle diameter thereof.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second undercoat layer including a metal oxide and a binder resin, located overlying the first undercoat layer; and a photosensitive layer located overlying the second undercoat layer, wherein the metal oxide included in the second undercoat layer has a specific resistivity not less than 107 ?·cm and a block isocyanate compound.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming-apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: An electrophotographic photoreceptor, including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate; and a photosensitive layer located overlying the undercoat layer, wherein the undercoat layer comprises a blocked isocyanate compound and a basic amine.

Abstract: An electrophotographic photoreceptor and image processing method, the photoreceptor including an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer, wherein the undercoat layer includes a titanium oxide; an oil-free alkyd resin; a block isocyanate compound; and a metal oxide different from the titanium oxide, having an average particle diameter smaller than an average particle diameter thereof.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming-apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: A method of coating a photoconductive element for an electrophotographic image forming apparatus and an apparatus therefore are disclosed. A plurality of cylindrical bodies are immersed in a bath, which stores a coating liquid, at the same time and then lifted out of the bath. As a result, a photoconductive film is formed on each cylindrical body.

Abstract: An electrophotographic photoconductor including an electroconductive substrate, and a charge generating layer including a charge generating material and a charge transporting layer including a charge transporting material, which are overlaid and which are formed overlying one side of the electroconductive substrate, wherein the charge generating material includes an asymmetric disazo pigment and a metal-free phthalocyanine pigment, and wherein a ratio of the asymmetric disazo pigment to the metal-free phthalocyanine pigment is from 1.5:1 to 5:1 by weight and the asymmetric disazo pigment has the following formula (I):Cp1--N.dbd.N--A--N.dbd.N--Cp2 (I)wherein A represents a divalent group which is connected to each nitrogen atom of the adjacent azo groups through a carbon atom of said A group; and Cp1 and Cp2 independently represents a residual group of a coupler, wherein Cp1 is different from Cp2.

Abstract: An image forming apparatus has a charging unit, an image exposure unit, a reversal development unit, an image transfer unit, and an electrophotographic photoconductor including an electroconductive support and a photoconductive layer formed thereon, the photoconductive layer being provided by coating and drying a photoconductive layer formation liquid containing a solvent, with a change in the content of the solvent in the photoconductive layer dried being 10% or less 24 hours after the drying thereof.

Abstract: A pneumatic tire for heavy vehicle comprises first platforms bent at bent sections of a main groove extending zigzag in a circumferential direction of the tire, a second platform linearly extending between one of the first platforms and another of the first platforms, and a third platform extending between the one of the first platforms and the second platform, wherein the first, second, and third platforms are arranged at a bottom of the main groove within half a pitch of the main groove, a length of the first platform in the circumferential direction of the tire, a length of the second platform in the circumferential direction of the tire, and a length from one end of the one of the first platforms to one end of the another of the first platforms are different from each other; a length of the one of the first platforms is larger than the length of the second platform, and a width of each of the first and second platforms in an axial direction orthogonal to the circumferential direction of the tire and a hei