During refining/beating of beating material there exists a need to measure more parameters than the gap, directly in the beating zone. The present invention makes this possible and it relates to a system for continuous measuring of pressure and temperature in the beating zone and the system is characterized in that a number of separate/combined pressure sensors or temperature sensors provided with...

A damage-resistant filter for use in subterranean wells has at least one layer of a filter medium (13), such as a sintered supported porous membrane, coaxially disposed about a perforated support member (11). The filter may also include a drainage layer (15) disposed between the inner support member and the filter medium, and a protective covering, such as a perforated cage (17), surrounding the f...

PROBLEM TO BE SOLVED: To provide a negative electrode plate for a lead acid battery and its manufacturing method wherein a sulfation phenomenon is hard to occur. SOLUTION: This negative electrode plate for the lead acid battery is such that an active material paste, which comprizes lead powder particles 3 wherein a layer composed of carbon particles or graphite particles 2 and of liquid glass is a...

PROBLEM TO BE SOLVED: To provide a clad type positive electrode plate whose current collecting property is improved by respectively connecting upper parts and lower parts of respective core metals arranged in respective clad tubes to each other by continuous seats, and connecting the upper and lower continuous seats to each other by conductive columns. SOLUTION: Core metals 3 are respectively arra...

PROBLEM TO BE SOLVED: To provide a lead-acid battery which can restrain expansion of an active material caused by charging-discharging and has the long sevice life by layering an acidproof-oxidation resistant sheet and a metallic sheet having a large number of through holes whose inside surface is formed in a recess- projection, and filling an active material in the through holes. SOLUTION: A posi...

PROBLEM TO BE SOLVED: To provide a sealed lead-acid battery whose trickle service life is improved by scattering water repellent parts on an interface between active materials and a lattice body composed of lead-calcium type alloy of a positive electrode plate. SOLUTION: Water repellent parts are scatteringly arranged on an interface between an active material 2 and a lattice body 1 composed of le...

PROBLEM TO BE SOLVED: To provide a lead-acid battery in which a trickle life can be extended, and further discharging capacity can be highly maintained for a long period. SOLUTION: A negative electrode plate is manufactured by containing 0.005 to 3 percentage by weight of shrink resistant agent composed of polyoxy fluoroethylene phenylamine expressed by a formula into paste type active material. T...

PROBLEM TO BE SOLVED: To enhance volume efficiency and production efficiency by thermally welding a battery jar and a cover together, and sealing them by adhesive by inserting an inter-cell welding part into a recessed part of the cover. SOLUTION: A cover 11 having a recessed part 14 in response to an inter-cell welding part 10 is arranged so that the recessed part 14 turns upward. Adhesive 13 is ...

PROBLEM TO BE SOLVED: To enhance vibration resistance under a high vibration condition by forming specific molten insulating resin in a beam shape above an electrode plate group, and injecting and hardening it so that its both ends contact an inner wall or an intermediate partition wall of a battery jar. SOLUTION: A separator 2 extending up to a position higher than positive and negative electrode...

This invention relates to a method and apparatus for recognizing the impact time of a solenoid valve armature during de-energizing. In order to obtain a detectable impact signal of the armature, a measuring current is provided in the magnet coil during the armature's downward movement to generate a magnetic measuring field. When this magnetic measuring field is changed due to the armature movement...

The fabrication of a fuel tank made up of steel panels coated with aluminium, comprises: a) overlapping the respective edges (2a, 3a) of a pair of envelope elements (2, 3) made of steel panels coated with aluminium; and b) welding these edges (2a, 3a) to each other by a laser or electron beam to form the fuel tank. One (3a) of the edges (2a, 3a) has a stepped zone (d) leaving a space between the e...

A universal radiographic apparatus that allows an operator to select between conventional radiographic mode and linear tomographic mode. In conventional radiographic mode of operation, several automatic modes are provided. An x-ray tube mounted to a tube crane positioned above an elevating table can be accurately controlled in longitudinal and vertical movement, as well as in x-ray tube angulation...

A universal radiographic apparatus that allows an operator to select between conventional radiographic mode and linear tomographic mode. In conventional radiographic mode of operation, several automatic modes are provided. An x-ray tube mounted to a tube crane positioned above an elevating table can be accurately controlled in longitudinal and vertical movement, as well as in x-ray tube angulation...

PROBLEM TO BE SOLVED: To immediately decompose odor contained in air required for combustion upon combustion of gas and hence reduce odor in a room by providing a combustion chamber for mixing high temperature exhausted gas and air, and further providing a catalyst layer on a passage of warm air effused from the combustion chamber for decomposing and regenerating odor adsorbed by heating. SOLUTION...

PROBLEM TO BE SOLVED: To obtain adequate exposure by automatically selecting automatic light control when the reliability of information on the distance to an object is low or when a macro photographing mode is set. SOLUTION: In a light control system selection part 6, TTL light control and FM light control are selected automatically or manually by a photographer. In the case of automatically sele...

PROBLEM TO BE SOLVED: To make it unnecessary to synchronize plural NC boards connected to a personal computer by the use of an external wire connecting the plural NC boards, to obtain a synchronization controlling pulse signal by the use of a clock signal from the personal computer and to attain highly accurate synchronization control by simple constitution. SOLUTION: A PLL circuit 31 in a pulse c...

PROBLEM TO BE SOLVED: To reduce consumption power by reducing current consumption in a self-refresh mode. SOLUTION: When resetting bit wires BL and /BL in a self-refresh mode, precharge transistors 11 and 12 are delayed by the delay time of an AND circuit 19, a delay circuit 20, and an OR circuit 27 for short-circuiting transistors 14 and 15 for turning on. Then, after the voltage difference betwe...

PROBLEM TO BE SOLVED: To provide the electric wire connection device capable of informing an operator of the completion time of the insertion of each electric wire which is to be inserted so as to be held between each electric wire holding surface and each electric wire holding part capable of being elastically deformed, and also capable of maintaining insertion force constant even if each electri...

PROBLEM TO BE SOLVED: To enable a power resistor having an excellent evenness in sintered bodies and reproducibility, less thermal capacity per unit volume, proper and stable electric resistance value as well as less with-time fluctuation in the resistance value due to surge absorption to be manufactured. SOLUTION: As for the sintered body 2 used for a power resistor, the first regions 5 containin...

PROBLEM TO BE SOLVED: To make an electronic development camera small in size and light in weight, which has the function of reading an image of an electronic development type recording medium. SOLUTION: A scanner optical system 43 and a line sensor 44 are provided on a rear side of an electronic development type recording medium 30 in a camera main body of this camera. Then a lighting unit is remo...