Abstract: An air-conditioning apparatus includes a main circuit in which a compressor, a flow switching device, an indoor heat exchanger, a pressure reducing device, and a plurality of parallel heat exchangers connected in parallel with each other are connected by pipes, a bypass pipe, a flow control device provided to the bypass pipe and configured to adjust a flow rate of refrigerant flowing through the bypass pipe, an evaporating pressure sensor configured to measure an evaporating pressure of the refrigerant, and a controller. The air-conditioning apparatus is configured to operate in a normal heating operation mode and a heating-defrosting operation mode. When an operation associated with the normal heating operation mode is switched to an operation associated with the heating-defrosting operation mode, the controller adjusts an opening degree of the flow control device using the evaporating pressure in the parallel heat exchanger and a driving frequency of the compressor.

Abstract: A conveying belt has a cylindrical base layer, and a surface layer that is formed on the outer peripheral surface of the base layer. The base layer contains polyimide or polyamide-imide, and has an elastic modulus from 3-7 GPa, inclusive. The surface layer is configured as a cured object from a resin composition that contains a fluororesin having a hydroxy group, an isocyanate curing agent, and a silicone copolymer. The silicone copolymer is a copolymer containing a silicone unit and another kind of unit not having a siloxane skeleton, has a hydroxy group, and contains siloxane units in a proportion of at least 95 mol% and less than 100 mol%, or from 40-70 mol%, inclusive. The silicone copolymer content in the resin composition is 1-5 parts by mass, inclusive, relative to a total 100 parts by mass of the fluororesin and the isocyanate curing agent.

Abstract: A fixing member 10 for an electrophotographic device includes a base layer 12, a metal layer 14 formed on the based layer 12, and a protective layer 16 formed on the metal layer 14. The metal layer 14 is configured to form a predetermined pattern. The base layer 12 has a surface 12a which is covered with the metal layer 14 and a surface 12b which is not covered with the metal layer 14. The protective layer 16 continuously covers the surface 12b of the base layer 12 not covered with the metal layer 14 and a surface of the metal layer 14, and is bonded to the surface 12b of the base layer 12 not covered with the metal layers 14. The base layer 12 and the protective layer 16 contain a resin that includes an imide bond in a repeating unit.

Abstract: The disclosure provides a charging roll for excellent image quality electrophotographic equipment. This charging roll for electrophotographic equipment is provided with a shaft body, an elastic body layer formed on the outer periphery of the shaft body, and a surface layer formed on the outer periphery of the elastic body layer, wherein the surface layer contains a modifier having polyamide and a hydroxyl group, and has a Bénard cell with a height of 0.1 to 1.0 ?m on the surface thereof. A fluorine-based modifier having a hydroxyl group, a silicone-based modifier having a hydroxyl group, and an acrylic modifier having a hydroxyl group can be cited as examples of the modifier having the hydroxyl group.

Abstract: The disclosure provides a charging roll for excellent image quality electrophotographic equipment. This charging roll for electrophotographic equipment is provided with a shaft body, an elastic body layer formed on the outer periphery of the shaft body, and a surface layer formed on the outer periphery of the elastic body layer, wherein the surface layer contains a modifier having polyamide and a hydroxyl group, and has a Bénard cell with a height of 0.1 to 1.0 ?m on the surface thereof. A fluorine-based modifier having a hydroxyl group, a silicone-based modifier having a hydroxyl group, and an acrylic modifier having a hydroxyl group can be cited as examples of the modifier having the hydroxyl group.

Abstract: Provided is a charging roll for an electrophotographic device in which charge capability is increased and uniformity of charging is satisfied. A charging roll for an electrophotographic device, the charging roll being provided with a shaft body, an elastic body layer formed on the outer periphery of the shaft body, and a surface layer formed on the outer periphery of the elastic body layer, the surface layer containing a binder resin, large-diameter particles having an average particle diameter of 15-50 ?m, and small-diameter particles having an average particle diameter of 3 ?m or more and less than 15 ?m, the content of the small-diameter particles being within the range of 5-50 parts by mass with respect to 100 parts by mass of the binder resin, and the size of particle aggregates including the small-diameter particles contained in the surface layer being 6-50 ?m.

Abstract: A charging roll includes a shaft, an elastic body layer formed around the shaft, and a surface layer formed around the elastic body layer. The surface layer contains a binder and roughness formation particles, and has projecting sections that project outward in the radial direction farther in the portions in which the roughness formation particles are present than in the portions in which the roughness formation particles are not present. The roughness formation particles are composed of porous silica particles, and the porous silica particles have an average particle size of 5 to 50 ?m, an oil absorbency of 200 to 500 ml/100 g, and a pore size of 5 to 20 nm.

Abstract: A charging roll includes a shaft, an elastic body layer formed around the shaft, and a surface layer formed around the elastic body layer. The surface layer contains a binder and roughness formation particles, and has projecting sections that project outward in the radial direction farther in the portions in which the roughness formation particles are present than in the portions in which the roughness formation particles are not present. The roughness formation particles are composed of porous silica particles, and the porous silica particles have an average particle size of 5 to 50 ?m, an oil absorbency of 200 to 500 ml/100 g, and a pore size of 5 to 20 nm.

Abstract: The invention has an object to provide a door unit for a cold storage, enabling easy opening and closing operations of a door by engaging a latch with a latch receiver. The door unit includes a handle pivotally mounted on the side face of an outer door on its non-pivotal side at a predetermined height, and a latch receiver provided on the forward portion of a side surface of a main body at a height corresponding to the handle. The handle includes a grip to be grasped by fingers of a hand, and a latch detachably engageable with the latch receiver so that the latch engages a roller of the latch receiver in a state of the substantially vertical grip, and when the grip is pivotally moved in a direction away from the main body to a position where the grip intersects a horizontal plane at a predetermined angle, the pivotal movement of the handle is stopped and the latch disengages from the roller of the latch receiver.

Abstract: A low-temperature storage cooled/maintained in an ultra low temperature range, in which door lowering is automatically modified by an opening/closing operation of a thermal insulating door, and a concave/convex portion which is a contact portion with respect to a door switch disposed on the door can be secured. The low-temperature storage includes a thermal insulation box main body having an opening in a front surface thereof; a thermal insulating door openably/closably attached to the thermal insulation box main body by a plurality of hinges to close the opening; and a cooling device which cools a storage chamber formed by the door and the main body, wherein a spacer having a guide surface to forcibly correct door lowering by a closing operation of the thermal insulating door is disposed on a side on which any hinge is not disposed.

Abstract: A foamed elastic body having low hardness and excellent flatness and smoothness on the outer circumference, and imparting low hardness to the surface of a conductive roll for an electrophotographic machine, in which coating layers having various functions are coated on the outer circumference. A tube-shaped foamed elastic body 10 has a skin layer 12 and open foamed cells 14a on outer and inner circumferences respectively. The body 10 is prepared by heating and cross-linking an outer circumference of a non-cross-linked and non-foamed tube body with a shaft core inserted therein, and removing the core and heating the tube body under normal pressure. The skin layer thickness is preferably in the range of 10 to 100 ?m. The body 10 defines a base layer 10 of a conductive roll 20, and an outermost layer 24 and an intermediate layer 26 are coated on the outer circumference of the layer 10.

Abstract: An object is to provide a low-temperature storage capable of further dividing a medium storage chamber divided by a medium partition into upper/lower small sections (small storage chambers) by adding of an optional component and changing of an inner door, and the storage comprising; a thermal insulation box main body having an opening in a front surface thereof; a thermal insulating door openably/closably attached to the thermal insulation box main body; a medium partition which divides the opening into upper/lower medium openings; a shelf which divides a storage chamber formed by the thermal insulating door and the main body into upper/lower chambers in a position of the medium partition; a cooling device which cools the storage chamber; a metallic optional partition member which further divides the medium openings into upper/lower openings; a frame member formed of a resin and attached to a front part of the partition member to support an optional gasket; and a plurality of inner doors which openably close

Abstract: The invention has an object to provide a door unit for a cold storage, enabling easy opening and closing operations of a door by engaging a latch with a latch receiver. The door unit includes a handle pivotally mounted on the side face of an outer door on its non-pivotal side at a predetermined height, and a latch receiver provided on the forward portion of a side surface of a main body at a height corresponding to the handle. The handle includes a grip to be grasped by fingers of a hand, and a latch detachably engageable with the latch receiver so that the latch engages a roller of the latch receiver in a state of the substantially vertical grip, and when the grip is pivotally moved in a direction away from the main body to a position where the grip intersects a horizontal plane at a predetermined angle, the pivotal movement of the handle is stopped and the latch disengages from the roller of the latch receiver.

Abstract: An object is to provide a low-temperature storage capable of further dividing a medium storage chamber divided by a medium partition into upper/lower small sections (small storage chambers) by adding of an optional component and changing of an inner door, and the storage comprising; a thermal insulation box main body having an opening in a front surface thereof; a thermal insulating.

Abstract: An object is to provide a low-temperature storage cooled/maintained in an ultra low temperature range, in which door lowering is automatically modified (corrected) by an opening/closing operation of a thermal insulating door, and a concave/convex portion which is a contact portion with respect to a door switch disposed on the door can be secured, and there is provided a low-temperature storage comprising: a thermal insulation box main body having an opening in a front surface thereof; a thermal insulating door openably/closably attached to the thermal insulation box main body by a plurality of hinges to close the opening; and a cooling device which cools a storage chamber formed by the door and the main body, wherein a spacer having a guide surface to forcibly correct door lowering by a closing operation of the thermal insulating door is disposed on a side on which any hinge is not disposed.

Abstract: There is disclosed a cold storage which improves a door insulating performance, and which is preferable particularly for low-temperature insulation of chemicals, and the like. A low-temperature insulating showcase is formed by openably closing a storage chamber opening constituted in an insulation box by a door, the door is constituted of a transparent panel and a see-through composite layer glass, and a panel is detachably attached to the storage chamber side of the composite layer glass.