PROBLEM TO BE SOLVED: To provide a storage battery with excellent reliability having ribs for putting an electrode group formed to the bottom of a battery case, restraining the bottom part from breakage.

SOLUTION: The storage battery houses the electrode group 24 formed by laminating positive electrode plates 21 and negative electrode plates 23 through separators 23 in the battery case 25,...

PROBLEM TO BE SOLVED: To obtain a separator for a storage battery in which degradation of low temperature large current characteristics or the like and increase of the material cost are suppressed and breakage of the bottom part of the bag- shape separator due to elongation of the positive electrode and the resultant short circuit of the positive electrode and the negative electrode are suppres...

PROBLEM TO BE SOLVED: To provide a lead acid storage battery in which charging shortage at the positive electrode is suppressed and which has a long life in a lead acid storage battery that has a group of electrodes constructed of the same number of sheets of a positive electrode and a negative electrode, in particular, in a lead acid storage battery in which the positive electrode and the nega...

PROBLEM TO BE SOLVED: To obtain a manufacturing method of a lead acid storage battery negative electrode in which the reduced portion of the negative electrode additive is supplemented and the negative electrode additive can be uniformly distributed.

SOLUTION: In the battery, a group of negative electrodes 1 after formation is dipped in an aqueous solution 2 dispersed with a negative elect...

PROBLEM TO BE SOLVED: To obtain a filling and coating method of a paste by which uniform thickness can be obtained even for a thin electrode.

SOLUTION: Lead powder made of mainly lead monoxide and metallic lead is kneaded by a kneading water and dilute sulfuric acid and made a paste of slurry form, and this paste is filled by flowing in an opening of a sheet-like current collector partiall...

PROBLEM TO BE SOLVED: To provide favorable trickle life characteristics by suppressing corrosion of a positive electrode grid body in trickle charging in a valve regulated lead-acid battery using an expanded grid body for a positive electrode.

SOLUTION: This negative electrode absorption valve regulated lead-acid battery allows a plate group comprising a negative plate, the positive plate ...

PROBLEM TO BE SOLVED: To provide a highly reliable lead-acid battery by suppressing corrosion of a negative electrode tab part, suppressing increase of the liquid reduction amount, and securing charging power largely affecting the service life characteristics.

SOLUTION: A positive electrode member comprising a positive electrode grid, a positive electrode shelf 8, a positive pole, and posi...

PROBLEM TO BE SOLVED: To provide a lead-acid battery greatly improving the battery service life under a high temperature.

SOLUTION: Supposing that the height of a positive plate 1 is set to a, the height of a separator 2 is set to b, and the height from the bottom part of the positive plate 1 to the lower surface of a strap 1a is set to c, this lead-acid battery satisfies following conditi...

PROBLEM TO BE SOLVED: To highly efficiently provide a valve regulated lead-acid battery having a high discharging capacity, a charging/discharging cycle, and a superior tricle charging performance.

SOLUTION: The rate of PbSO4included in a active material of a positive plate of this valve regulated lead-acid battery is set to 3 wt.% or less in a completely charged state. In this me...

PROBLEM TO BE SOLVED: To provide a lead-acid battery avoiding an active material from sticking to a tab part protruding from the grid body and formed with a superior joint part between the tab part and a connecting body in the lead-acid battery using the expanded grid body formed by treating a lead alloy sheet.

SOLUTION: In this lead-acid battery using the expanded grid body formed by trea...

PROBLEM TO BE SOLVED: To compatibly improve of a manufacturing method for a power collection body and improve the temperature characteristics, to reduce the manufacturing cost of batteries, and to improve the output density in the bipolar storage batteries using the power collection bodies integrally comprising positive electrodes and negative electrodes.

SOLUTION: This bipolar storage bat...

PROBLEM TO BE SOLVED: To provide a control method for a lead-acid battery which suppresses lowering of charging which may occur when controlling the state of charging of the battery in an intermediate state of less than 100%, thereby suppressing lowering of charging efficiency in regenerative charging.

SOLUTION: In the control method in which the state of charging of the lead-acid battery ...

PROBLEM TO BE SOLVED: To provide a control method for a lead storage battery using the lead storage battery in a partial charged state and controlling the charged state thereof by integrating charging/discharging currents capable of adequately charging the lead storage battery, reducing the shifts of the charged states from a predetermined charged partial state caused by repeating charging/ dis...

This magnetic actuator comprises a fixed magnetic part ( 3 ) cooperating magnetically with a mobile magnetic part ( 1 ) and means ( 4 ) for initiating movement of the mobile magnetic part ( 1 ). The mobile magnetic part ( 1 ) comprises at least one magnet ( 1 - 1 ) and the fixed magnetic part ( 3 ) has at least two attraction zones ( 3 - 2 ) onto which the mobile magnetic part is able to come to a...

PROBLEM TO BE SOLVED: To prepare JCL to be used for operating a file to be processed each time it is processed.

SOLUTION: The main memory of an automatic transfer system is stored with a file information table 11 in which volume serial numbers, data set names, record length, blocked coefficients, recording density and file count (file information) are stored for each file to be processed a...

PROBLEM TO BE SOLVED: To easily use only a necessary field included in a template.

SOLUTION: A template field name included in a template is extracted based on a template file, and a display field name corresponding to the extracted template field name is displayed at a display part 15 so as to be selected. Then, the display field name (template field name) selected by a user with an opera...

PROBLEM TO BE SOLVED: To automatically create a script to be used for structuring a data base from data base design data.

SOLUTION: Data base design data including the size of a data base to be created, the table name and size of respective tables configuring the data base, and the item name and size of respective items included in the table or the like are inputted from an input device 3,...

PROBLEM TO BE SOLVED: To prevent data recorded on a recording medium from illegally being used by others by the recording medium alone.

SOLUTION: The recording medium 10 is equipped with volatile memory DRAM chips 21, 22,... which record data and a button switch 38 which is pressed to start use for writing or reading the data, and a detection and comparison part 39 compares the depressing ...

PROBLEM TO BE SOLVED: To provide a volatile semiconductor element and an element information recording method capable of recording element information such as a wafer number, element number, and characteristics inspection data on a volatile semiconductor element at a low cost with a small space, without increasing a process or facility.

SOLUTION: There are provided a volatile memory cell 2...

The strap system for carrying a camcorder comprises a reel (1), from which the strap (2) can be withdrawn. The camcorder has rails (5) on its base which slide into grooves (4) on top of the reel. A plate (3) on the free end of the strap fits into a groove (6) on the side of the camcorder.;

La présente invention concerne un dispositif de sanglage avec tensionneur pour objets portables, qui se pr...