PURPOSE: To simply heat hot water in a camp by using a solar light by providing a condensing heater in which the inner surface is formed as a condensing curved surface in the case of opening in a folding structure. CONSTITUTION: A condensing sheet 1 is formed of a resin sheet, and so formed as to fold like an umbrella. The sheet 1 is so formed that the inner surface is formed in a sectional parabo...

PURPOSE: To provide an excellent solar heat water heater in which a transparent cover can be easily fixed to a boxlike case with an extremely simple structure, and check and maintenance operations can be easily executed even if a plurality of the cases are connected and which is very convenient for transporting. CONSTITUTION: A solar heat water heater K has a transparent cover 3 mounted on the upp...

PURPOSE: To improve corrosion resistance at high temperature of a strap in a negative electrode by continuously forming a Pb-Sn alloy layer containing high concentration of Sn, which covers the surface and its vicinity of a lug, on the lower surface of a ledge part to which the lug is connected. CONSTITUTION: A plurality of negative pates and positive plates between both of which a separator inter...

PURPOSE: To provide paste for a lead-acid battery positive plate with improved utilization factor of an active material and without dispersion of the plate performance by increasing the content of water in active material paste. CONSTITUTION: About 800g of lead powder is stirred while 70ml of water is added to the lead powder, and they are stirred while dilute sulfuric acid is added to them to for...

PURPOSE: To decrease dispersion of the shrinking amount of a negative electrode material and allow charge/discharge cycle life to be in high leveling by adding barium sulfate to a negative active material. CONSTITUTION: 0.5-2.0wt.% barium sulfate containing 80wt.% or more of primary particles having a particle size of 1.0&mu m or less is added to a negative active material.

PURPOSE: To provide a battery for an automobile with high starting capability at low temperature and high durability at high temperature. CONSTITUTION: A battery is constituted with X pts.wt. positive electrode formed by holding an active material prepared by mixing graphite and zeolite with lead dioxide in a grid alloy containing lead as the main component and antimony and other minor components,...

PURPOSE: To enhance maintenance-free characteristics of a lead-acid battery by adding an emulsifying agent to an electrolyte of the lead-acid battery. CONSTITUTION: Dilute sulfuric acid having a specific gravity of 1.25-1.28 at 20 deg.C is used as an electrolyte of a lead-acid battery. An adding amount of an emulsifying agent to the dilute sulfuric acid is 0.1-10wt.%, preferably 0.5-5wt.%. As the ...

PURPOSE: To improve the cycle life characteristics of a sealed type lead-acid battery by specifying the amount of an electrolyte contained in a separator and the compression ratio of the separator. CONSTITUTION: The amount of an electrolyte contained in a part, which is not compressed without being interposed between electrode plates, of a separator is set to 5% or less based on the total amount o...

PURPOSE: To provide a sealed type lead-acid battery with long trickle charge life by specifying the compression ratio of a separator and inserting an acid resistant sheet having ion permeability into the interior of a lower part opened folding back part of the separator. CONSTITUTION: A sealed lead-acid battery has a plate group prepared by positioning a positive plate 1 in an upper part opened ce...

PURPOSE: To reduce dispersion of the life of a lead-acid battery by making the pouring amount of dilute sulfuric acid in a container uniform. CONSTITUTION: A sub-tank 2 is arranged between a tank 1 in which dilute sulfuric acid is stored and an electrolyte pouring nozzle of an electrolyte pouring jig, and a liquid level sensor 3 for detecting the liquid level in the sub-tank 2 in order to keep the...

PURPOSE: To provide a composite electric vehicle whose environmental pollution is lowered, whose energy efficiency is enhanced and which can be applied also to a small vehicle by a method wherein a prime mover and a power generation means are connected to a first wheel driving shaft via a clutch means, a power generation means and a drive means are connected to a second wheel driving shaft and a c...

PURPOSE: To provide a gear actuator which extremely excels in quality by preventing noise and vibrations by a simple structure without improving the structure of a motor. CONSTITUTION: In a gear actuator which has a motor 2 mounted in a housing, an output part 6 provided in the motor 2 for transmitting the power of the motor 2 and a butting part 11 on which the tip of the output part 6 provided in...

The method comprises welding plates (1,2) by laser beam, according to which a clearance (3) is produced between the plates before the laser beam (F) is applied. The clearance is produced by means of an embossing or similar operation upon at least one of the plates to produce a number of protrusions (4). Also claimed is a plate assembly produced by the proposed method.;

La présente invention con...

Dans ce broyeur à marteaux comportant une chambre de broyage alimentée par un puits d'introduction (3) et contenant des marteaux (4), le puits (3) est dimensionné de manière à contenir 1,1 à 1,5 fois le remplissage de la chambre (6), la paroi (8) de fermeture du puits est déplaçable en va-et-vient tout en pouvant retenir un volume de matière à broyer avant son introduction dans la chambre (6), ...

PROBLEM TO BE SOLVED: To provide an ink level detector for ink jet printer equipped with a mechanism for replacing a cartridge quickly without causing any leakage of ink and a unit for detecting the quantity of ink in the cartridge. SOLUTION: The ink level detector for ink jet printer comprises an ink cartridge 10 being collapsed as the ink is consumed, a flag member 212 connected with a carriage ...

PURPOSE: To accumulate photosensitive materials in exposed order, which are carried being distributed in a plurality of lines. CONSTITUTION: A conveyor device 136 for carrying photographic paper P is arranged in a position adjacent to the last end of a carrying passage 84 and lower than the carrying passage 84 by one step, and the photographic paper P is successively carried to a sorter 138 side. ...

PURPOSE: To improve the performance for removing a jammed sheet and image quality in a printer. CONSTITUTION: The entire sheet-feed part 33 can be drawn out, and this facilitates the removal of a sheet P which has been jammed below a transfer drum 32. Also, because the sheet feed part 33 is mounted in the main body of the device via a positioning elastic member 201, or the like, which is made of r...

PROBLEM TO BE SOLVED: To provide a circuit and method for preventing lockup used together with a watchdog timer circuit. SOLUTION: The lockup preventing circuit includes a logic circuit 18 which receives a first signal, and generates an activation signal, and this logic circuit 18 controls the loading of the activation signal to a control register 24 in response to a first prescribed bit stored in...

PROBLEM TO BE SOLVED: To provide a card reader having high versatility which can read various kinds of cards. SOLUTION: A card reader is provided with reading means which are respectively suitable for reading contact and capacitive or inductive non-contact smart cards, a smart card section 26 having a contact type smart card terminal 34, a non-contact capacitive terminal 38, and a non-contact indu...

An industrial truck comprises a platform (8) for a standing driver and is supported on all sides by a plurality of elastically resilient cushioning elements (9, 10a, 10b). At least one of the cushioning elements (10a, 10b) is provided with a vertical guide limiting the lateral mobility of the platform (8) in order to avoid floating mounting of the platform (8). The cushioning element (10a, 10b) is...