摘要:
A static electric therapy apparatus is disclosed which does not leave a user discomfort. The static electric therapy apparatus comprises an electric potential generator connected to an alternating power supply, and an output terminal which provides a human body with electric potential by touching the human body, which output terminal is connected to the electric potential generator; and the static electric therapy apparatus is characterized in that it further comprises a ground wire connected to the output terminal; a direct-current power supply applying negative voltage to the output terminal, which is connected to the output terminal in series; and a transfer switch which switches the case where the output terminal is connected to the potential generator and the case where the output terminal is connected to the ground wire, the switch being connected to the output terminal. Also, the static electric therapy apparatus comprises an electric potential generator connected to an alternating power supply, and an output terminal which provides a human body with electric potential by touching the human body, which output terminal is connected to the electric potential generator, and the static electric therapy apparatus is characterized in that it farther comprises a voltage reducer which gradually decreases the voltage applied to the output terminal when finishing the use of the static electric therapy apparatus.
摘要:
A gloss-imparting device for imparting a gloss on a color image, the gloss-imparting device has a transparent toner image-carrying body, a transparent toner image-forming unit, a heating/pressurizing unit, and a cooling/releasing unit. The transparent toner image-carrying body carries a transparent toner image formed of a transparent toner thereon. The transparent toner image-forming unit forms the transparent toner image on the transparent toner image-carrying body. The heating/pressurizing unit heats and pressurizes the transparent toner image and the base material to bring them into contact. The cooling/releasing unit cools the transparent toner image and releases the base material from the transparent toner image-carrying body. The transparent toner image is transferred and fixed onto the base material by the heating/pressurizing unit.
摘要:
The present invention provides an image supporting material for fixably supporting a color toner image, the material including a base material, a light scattering layer provided on the base material and containing a white pigment and a thermoplastic resin, and a color toner receptive layer provided on the light scattering layer and containing at least a thermoplastic resin, wherein the thermoplastic resin in the light scattering layer is constituted of a polyolefin or a polyolefinic copolymer having a temperature, at which viscosity becomes 5×103 Pa·s, of 100° C. or higher, and the thermoplastic resin in the color toner receptive layer is constituted of a resin obtained by melt mixing of a crystalline polyester resin and an amorphous resin and having a temperature, at which viscosity becomes 103 Pa·s, equal to or higher than 65° C. but lower than 80° C.
摘要:
A transparent toner to be used for a transparent toner image formed with a color toner image, wherein a thermoplastic resin constituting the transparent toner is made of a resin obtained by melt-mixing a crystalline polyester resin and an amorphous resin under the conditions such that supposing that T0 (° C.) is the temperature at which the visual reflectance Y of 20 μm thick film formed by the resin obtained by melt-mixing the crystalline polyester resin and the amorphous resin for a period of time t0 (minute) is 1.5%, the melt-mixing temperature is T (° C.) and the melt-mixing time is t (minute), T (° C.) is predetermined to be from T0 to (T0+30), t (minute) is predetermined to be from t0 to (10×t0) and the temperature Tα at which the viscosity of the thermoplastic resin is 103 Pa·s is from 70° C. to 110° C.
摘要:
An image forming method comprises: supplying an image support onto an imaging site, the image support comprising a substrate, a light-scattering layer containing a white pigment and a first thermoplastic resin comprising a polyolefin-based resin, and a toner-receiving layer containing a second thermoplastic resin comprising a mixture of a crystalline resin and an amorphous resin, in this order, forming a colored toner image on the image support with a colored toner containing a third thermoplastic resin; and forming a transparent toner image on the image support having the colored toner image formed thereon with a transparent toner containing a fourth thermoplastic resin having a glass transition temperature of from not lower than about 50° C. to lower than about 70° C.
摘要:
A gloss-imparting device for imparting a gloss on a color image, the gloss-imparting device has a transparent toner image-carrying body, a transparent toner image-forming unit, a heating/pressurizing unit, and a cooling/releasing unit. The transparent toner image-carrying body carries a transparent toner image formed of a transparent toner thereon. The transparent toner image-forming unit forms the transparent toner image on the transparent toner image-carrying body. The heating/pressurizing unit heats and pressurizes the transparent toner image and the base material to bring them into contact. The cooling/releasing unit cools the transparent toner image and releases the base material from the transparent toner image-carrying body. The transparent toner image is transferred and fixed onto the base material by the heating/pressurizing unit.
摘要:
A color image forming method of the present invention includes at least an image forming step in which a color image formed by a transparent toner with at least one kind of fine particles of 5 to 30% by volume being contained in a binding resin and a color toner is formed on a transfer material and a heat-fixing step for heating and fixing the color image onto the transfer material. As a result, graininess, color reproducibility, smoothness, and fixing strength are synchronously fulfilled sufficiently without being deteriorated and an arbitrary glossiness can be uniformly reproduced on the transfer material without depending on image density.
摘要:
An image structure formed on a medium. The image structure is so formed that an angular distribution of surface reflection light beams under the condition that a surface of an image G formed on a medium is irradiated with a slit-transmitted light beam satisfies the following three characteristics: (1) an angle A corresponding to a half value of a reflected light peak is not smaller than unity but not larger than twice as large as a reference angle A0; (2) the ratio ΔXGWS/ΔXGWS0 of the value of WS of center-of-gravity fluctuation to the value of reference WS0 of center-of-gravity fluctuation is not larger than 10; and (3) an angle B at which the quantity of reflected light becomes {fraction (1/10)} as large as the peak value is in a range of from 3×A0 to 6×A0, both inclusively.
摘要:
An image forming method for forming a color image having a high glossiness without deteriorating graininess, color reproducibility, and offset resistance utilizes a transparent toner in addition to color toners and varies an amount of developed transparent toner based on the surface roughness of a transfer material such as an average surface roughness obtained from ten values. It is preferable to control the amount of developed transparent toner so that the amount of developed transparent toner M, the surface roughness Rz and specific gravity W of the transparent toner satisfy the following equation:0.15.multidot.Rz.multidot.W.gtoreq.M.gtoreq.0.06.multidot.Rz.multidot.Win which M is an amount of developed transparent toner (mg/cm.sup.2) and corresponds to a weight of the developed transparent toner per unit area on a photosensitive member of a solid image, Rz is an average surface roughness (mm) obtained from ten values and W is a specific gravity of toner (g/cm).
摘要:
A method of forming a multi-color image is provided with which a high quality image having appropriate glossiness, satisfactory graininess, excellent color tone quality and smooth characteristic, similarly to that obtainable by printing or silver salt photography, can be formed uniformly on a transfer member by an electrophotographic method regardless of the type of the image. A method of forming a multi-color image in which a plurality of color toner layers are fixed onto a transfer member as images, having the step of: fixing a transparent toner layer to at least non-image portions, wherein mean surface roughness (Ra) of a fixed layer is 0.0