Abstract: A heat exchanger has a rectangular parallelepiped shape in which refrigerant flows. When sides configuring the heat exchanger having the rectangular parallelepiped shape include a first side, a second side, and a third side, a length of the third side is shortest. A surface surrounded by the first side and the second side is a heat exchange surface of the heat exchanger. A fixing structure for fixing the heat exchanger to a case includes at least one fixing portion disposed on at least one of a surface surrounded by the first side and the third side and a surface surrounded by the second side and the third side. The fixing portion is disposed at a position where a composite vibration mode of not greater than 1000 Hz is minimum.

Abstract: Metal cell tanks including secondary cells respectively are connected to one another by connection members. For example, a connection member has: an insulation portion interposed between adjacent cell tanks for keeping the cell tanks electrically insulated from each other; an one-end holding portion extending from one end of the insulation portion for holding one end portion of one of the adjacent cell tanks; and an opposite-end holding portion extending from the other end of the insulation portion for holding the other end portion of the other of the adjacent cell tanks.

Abstract: Metal cell tanks including secondary cells respectively are connected to one another by connection members. For example, a connection member has: an insulation portion interposed between adjacent cell tanks for keeping the cell tanks electrically insulated from each other; an one-end holding portion extending from one end of the insulation portion for holding one end portion of one of the adjacent cell tanks; and an opposite-end holding portion extending from the other end of the insulation portion for holding the other end portion of the other of the adjacent cell tanks.

Abstract: Spraying tubes (20 . . . ) through each of which a plurality of spraying holes are perforated along the longitudinal axis of each tube are placed in prescribed positions upper than feces boards (10 . . . ) of henhouses; and the spraying tubes (20 . . . ) are connected to agent-supplying means for supplying an agent such as a tank, a pump, etc. and airsupplying means for supplying compressed air such as a compressor, etc. The spraying holes make an angle not smaller than 5 degrees and not greater than 90 degrees as measured downward from the horizontal plane at the time of spraying an agent, in order to make it possible to spray the agent to feces boards (10 . . . ) and feces floor (12). The eggs of pests such as housefly and the like laid on the feces adhering to the feces boards and feces floor can efficiently and certainly be controlled.

Abstract: Martensitic stainless steels that enable the fabrication of high-strength seamless steel pipe suited for use in oil-well pipe and pipeline tubing by means of a Mannesmann plug mill or Mannesmann mandrel mill process, without the formation of defects during production. The heat workability of these steels, which contain no more than 0.30% by weight of carbon and from 11 to 14% by weight of chromium, and have a ferrite content of at least 40% at 1200.degree. C., has been vastly improved by holding the phosphorus and sulfur levels therein to no more than 0.020% and 0.003% by weight, respectively.

Abstract: A duplex stainless steel seamless pipe can be inexpensively produced in high productivity and yield without causing cracks during the working steps in the plug mill process by a proper combination of the composition of the steel and the working conditions of a billet and a hollow piece for the production of the pipe.

Abstract: A method of manufacturing bimetallic tubes is disclosed. In this method, after an inner tube is inserted into an outer tube, the resulting tube assembly is heated, while pressurizing the inside of the inner tube with a gas, in the presence or absence of a solder material. When using no solder material, the materials of the inner and outer tubes are so selected that a thermal expansion coefficient of the inner tube is smaller than that of the outer tube.

Abstract: A curable aqueous coating composition in which dicyandiamide or a salt of guanidine is mixed and dissolved in an aqueous solution of a salt of a copolymer of an acrylic monomer mixture containing an unsaturated carboxylic acid monomer and a hydroxyalkyl acrylate or methacrylate monomer.