Abstract: In an AA alkaline battery according to the present invention, the opening of a battery case is sealed with a gasket. In the battery case, a positive electrode, a negative electrode, a separator, and an alkaline electrolyte are provided. The negative electrode contains 4.0 g or more of zinc. The gasket has a hydrogen gas permeability coefficient, per one gasket, in the range from 1.2×110?10 (cm3H2(STP)/sec·cmHg) to 9.9×10?10 (cm3H2(STP)/sec·cmHg), both inclusive.

Abstract: In a battery casing, there are accommodated a positive electrode containing manganese dioxide, a negative electrode containing zinc, and an electrolyte containing an aqueous solution of potassium hydroxide. The negative electrode contains bismuth of 100 ppm or less. In an AA dry battery, the amount of zinc in the negative electrode is 4.00 g or more, and the weight of the electrolyte is 4.00 g or more. In an AAA dry battery, the amount of zinc in the negative electrode is 1.71 g or more, and the weight of the electrolyte is 1.77 g or more.

Abstract: An AA alkaline dry battery includes a bottomed cylindrical casing of which internal volume is 6.25 ml or larger and which accommodates a positive electrode containing manganese dioxide of 9.30 g or more, a negative electrode containing zinc, and electrolyte containing an aqueous solution of potassium hydroxide of which concentration is 33.5 wt % or lower; a sealing member sealing the casing; and a negative electrode current collector extending from the sealing member into the negative electrode. The dry battery has, as discharge characteristics in the middle rate current discharge (AA dry batter), discharge duration until the battery voltage becomes 0.9 V is 9.3 hours or longer where discharge at 250 mA is performed at 25° C. for one hour per day.

Abstract: A lithium-ion rechargeable battery, comprising a positive electrode capable of absorbing and desorbing lithium ions, a negative electrode capable of absorbing and desorbing lithium ions, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the negative electrode comprises a negative electrode current collector and a negative electrode material mixture layer carried on the negative electrode current collector, the negative electrode material mixture layer comprises graphite and carbon nano-tubes, and an amount of the carbon nano-tubes in the negative electrode material mixture layer is not smaller than 0.1 part by weight and not larger than 10 parts by weight, per 100 parts by weight of the graphite.

Abstract: In a cylindrical sieve, a first frame 7 is provided with a first ring plate 7a arranged in a radial direction and a ring plate 7b extended inward in an axial direction X of the sieve from an inner end of the first ring plate 7a. The ring plate 7b has an inwardly warped end. A ring projection 2a is fit in a ring-shaped cavity K1 defined by a ring recess 10a and the first frame 7. The ring plate 7b presses the ring projection 2a outward in the radial direction to prevent the ring projection 2a from being slipped off the matching recess. Through holes 7c (counter bores) are formed in the first frame 7 along the axial direction X. Four of the through holes 7c are used to fasten the rods 6 and receive the Phillips head screws 6f seated therein, and the remaining through holes 7c receives Phillips head screws 20 (see FIG. 1) seated therein for reinforced linkage of the first frame 7 with the holder frame 11.

Abstract: In order to prevent the contamination of particulates such as food material particulates, facilitate maintenance, and to enhance the process sealing accuracy, a flow path switchover device is presented. The device of the present invention has a tube assembly including first and second main tube members and a branch member. The first and second main tube members are interconnected via a first ring member. The first main tube member and the branch member are interconnected via a second ring member arranged at a preset angle with the first ring member. A metal changeover damper supported on a rotating shaft swings between the first and second ring members and accordingly blocks and seals either the connection between the first main tube member and the second main tube member or the connection between the first main tube member and the branch tube member, while allowing the other connection.

Abstract: An object is to provide an electrolytic manganese dioxide with optimized properties, and a high capacity alkaline primary battery with excellent high-rate discharge characteristics. Disclosed is a spherical electrolytic manganese dioxide having an average circularity of 0.89 or more. The loss on heating from 200 to 400° C. of the spherical electrolytic manganese dioxide is preferably 2.5% by weight or more. Also disclosed is an alkaline primary battery including the above-described spherical electrolytic manganese dioxide as a positive electrode active material.

Abstract: An alkaline primary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and an electrolyte. The negative electrode further includes at least one compound selected from the group consisting of a tetramethylammonium compound, a tetraethylammonium compound, and a tetrapropylammonium compound.

Abstract: An alkaline battery of the present invention includes a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode includes nickel oxyhydroxide and manganese dioxide as a positive electrode active material. The negative electrode includes at least zinc as a negative electrode active material. The content of indium in the negative electrode active material is 0.02 wt % or less.

Abstract: The purpose of the invention is to prevent accumulation of particulates on the outside of a net body of a particulate sifter having a cylindrical net body and to extend the lifetime of the net body. To achieve the purpose, in a particulate sifter which is provided with a sieve 21 having a cylindrical net body 26 extending in a horizontal direction and a booster having rotating blades which rotate along the inner surface of the net body 26 and which separates particulates that pass through the net body 26 from particulates and/or foreign substances that do not pass through the net body 26 while agitating the particulates that have flowed inside the sieve 21 with the booster, the sieve 21 is located rotatably around the central axis of the cylindrical net body 26. The sieve 21 may be rotated forcibly by an electric motor as a driving source or may be rotated by kinetic energy of particulate-air mixture agitated by rotating blades without a driving source.

Abstract: The present invention aims to detect breakage of a sieve in real-time and thus substantially reduce a cost increase of products caused by sieve breakage. The present invention also aims to reduce management cost of a sieve substantially. Multiple conductive bands 40 through 51 of a predetermined width, composed of multiple (for example, ten, in the structure shown in the figures) conductive weaving threads 24 and multiple (for example, ten) nonconductive weaving threads 23 and a certain number of nonconductive weaving threads 25, are formed in one area of the screen member 5. These conductive bands 40 through 51 of combined weave are formed parallel to the axial direction X at certain intervals D. Between each conductive band 40 through 51, nonconductive bands 52 through 62 plane-woven by using the nonconductive weaving threads 23 and the nonconductive weaving threads 25 are formed. A continuous conductive element 82 of a folded shape is formed, as shown in FIGS.

Abstract: A sifter comprising: a receiver having a supply chamber; a sieve assembly having a sieving chamber coupled to the supply chamber; a rotator having a rotating shaft laterally arranged to pass through the supply chamber and the sieving chamber; a drum having a circular cross-section and having a larger diameter than the diameter of the rotating shaft, the drum being extended in at least space of the sieving chamber and arranged coaxially with the sieve; a cylindrical sieve located inside the sieving chamber and arranged coaxially with the rotating shaft; a stirring rotor located in an inner area of the sieving chamber inside the sieve comprising a rotating blade attached to the rotating shaft; an extraction member; and an outlet for discharging powder passing through the sieve from the inner area to the outer area.

Abstract: The particulate mixer is part of a blender that includes a cylindrical drum with a particulate mixing chamber. A rotating shaft is arranged in a horizontal direction in the particulate mixing chamber. Four arms project in a radial direction from the rotating shaft and include four paddles with respective stirring blades spaced from each other in an axial direction on the rotating shaft. The drum has a cylindrical center portion and side portions that communicate with the cylindrical center portion. Each of the side portions has a lower face and a vertical face. The drum is in the form of a truncated cone with the rotating shaft as its axis. The stirring blades have a driving end face and a driven end face with slopes corresponding to the slopes of the lower face of the side portions.

Abstract: An inline sifter including a gas-powder mixture receiving module which receives a mixture of a gas and powdery material from an inlet, a sieving module which communicates with a supply chamber of the gas-powder mixture receiving module, a rotating mechanism which is laterally extended inside the supply chamber and the sieving chamber, a cylindrical sieve arranged such that the rotating shaft extended in said sieving chamber passes through a center thereof, a wind power amplifier located in an internal area of the sieve to amplify wind power and press the powdery material out from the sieve, a removal member used to remove a remaining material from the sieve, an outlet used to discharge material which has passed through the sieve, and a support member. The gas-powder mixture, being supplied in a circumferential direction of the supply chamber, flows around the rotating shaft and is fed into the sieving chamber.

Abstract: This invention relates to an alkaline battery including spherical nickel oxyhydroxide that includes crystals having a ?-type structure. In a powder X-ray diffraction profile of the spherical nickel oxyhydroxide obtained using a Cu target, a half-width W of a diffraction peak P derived from a (001) plane is 0.6° or less. The ratio H/W of a height H of the peak P to the half-width W is 10,000 or more. The nickel contained in the spherical nickel oxyhydroxide has a mean valence of 2.95 or more. The use of such nickel oxyhydroxide in an alkaline battery results in a battery having excellent heavy-load discharge characteristics and improved energy densities.

Abstract: In a cylindrical sieve, a first frame 7 is provided with a first ring plate 7a arranged in a radial direction and a ring plate 7b extended inward in an axial direction X of the sieve from an inner end of the first ring plate 7a. The ring plate 7b has an inwardly warped end. A ring projection 2a is fit in a ring-shaped cavity K1 defined by a ring recess 10a and the first frame 7. The ring plate 7b presses the ring projection 2a outward in the radial direction to prevent the ring projection 2a from being slipped off the matching recess. Through holes 7c (counter bores) are formed in the first frame 7 along the axial direction X. Four of the through holes 7c are used to fasten the rods 6 and receive the Phillips head screws 6f seated therein, and the remaining through holes 7c receives Phillips head screws 20 (see FIG. 1) seated therein for reinforced linkage of the first frame 7 with the holder frame 11.

Abstract: An alkaline dry battery including a zinc negative electrode prepared by dispersing zinc alloy powder containing 0.015 wt % or less of indium and 0.008 wt % to 0.02 wt % both inclusive of aluminum into a gelled alkaline electrolyte containing 0.5 wt % to 3 wt % both inclusive of a cross-linked water-absorbing polyacrylate polymer, a separator made of a single nonwoven fabric sheet or a stack of multiple nonwoven fabric sheets and has a thickness of 360 ?m to 880 ?m both inclusive and a positive electrode containing manganese dioxide.

Abstract: An added element other than zinc is yielded at the grain boundaries of zinc forming a negative electrode zinc can. The added element includes at least one element selected from the group of Pb, Bi, Ca, Mg, Si, Al, and In. The zinc can is formed in such a manner that: melted zinc containing the added element is quenched at a quenching rate of 75 to 100° C./second for casting into a zinc plate; and the thus cast plate is subjected to impact molding at a temperature in the range between 20 and 30° C.

Abstract: The objective of the present invention is to prevent the contamination of particulate such as food material particulate and to facilitate the maintenance and to enhance the processing accuracy of the sealing. For these purposes, the flow path switchover device 1 of the present invention has a tube assembly 5 including a first main tube member 2, a second main tube member 3, and a branch tube member 4. The flow path switchover device 1 also has a rotating shaft 7 that is supported on bearing members 6 in a freely rotatable manner and a changeover damper 8 that is fixed to the rotating shaft 7 and swings about the rotating shaft 7 as the supporting point in the tube assembly 5. A first opening 20 of the first main tube member 2 and the second main tube member 3 are interconnected via a first ring member 9 having an open end 90.

Abstract: There are some disadvantages in prior art structures: a monotonous mixing flow in a limited mixing flow area, a long mixing time and significant damages on tea leaves or similar particulate, poor applicability for mixing particulate having a significant specific gravity variation or a significant particle size variation, accumulation of the particulate by means of the gravity, residue and pollutant in the bottom corners, difficulty in cleaning and water washing, and a relatively long discharge time.