The proposed method for utilizing electrolyte from waste lead-acid accumulators consists in neutralizing the electrolyte by using soda solution, providing the deposition of heavy metals from the electrolyte by using 2 % solution of sodium sulfide, and additionally, electrochemically purifying the electrolyte from ions of copper. iron, manganese, lead and chloride compounds.

The nematic bistable liquid crystal display mechanism has a system of address of different display elements. Two contiguous elements in the flow direction are not switched simultaneously.

The fabrication of a segment set with diamonds for a cutting tool consists of: - (A) preparing a mixture of metal powders with some diamond particles; - (B) preforming by cold compression to produce a manipulatable preformer; - (C) hot pre-sintering of the preformer to eliminate compacting residues and to deoxidise the preformer whilst assuring the onset of sintering; and - (D) submitting the pref...

The present invention relates to a process for producing and winding POY filaments not less than 90% by weight PET, based on the total weight of the POY, at spinning takeoff speeds above 3 800 m/min, which comprises a) setting the spinline extension ratio in the range from 50 to 250, b) passing the filaments directly upon exit from the spinneret through a quench delay zone 20 mm to 300 mm in lengt...

The mold for a tire has a laminated peripheral crown. It is formed by a stack in the circumferential direction of a plurality of thin metal sheets 1 adjacent to one another. The said metal sheets are grouped into sectors 11 thus forming monobloc subassemblies.

During a paper making process, a paper web is de-watered by a porous de-watering web consisting of longitudinal (2, 3) and transverse (5, 6, 7, 8) strips. Longitudinal and transverse strips are each made of a different type of fibre, and are joined at their crossover points (8, 16, 17) esp. by local application (9) of a hotmelt bonding agent. Also claimed is a process for making the de-watering w...

The shredder top has an integrated closing unit comprising movable parts. these parts can be moved to different locations, so that the filling aperture (17) in the top and the intermediate area between the receiving compartment and the feed shaft (10) for the crumpled paper can be alternately opened and closed.

A device for controlling the production quality of a press, which manufactures package blanks from a sheet of material by transferring the sheet of materials, such as paperboard or corrugated board, chronologically through an infeed station, a die-cutting station, a waste-stripping station and a delivery station, has an arrangement for controlling the printing and blanking quality which includes a...

A robot cleaner, a robot cleaning system and a method for controlling the same that is capable of independently determining whether a cleaning work in a work area is completed. This is accomplished by providing a robot cleaner for performing cleaning work by communicating wirelessly with an apparatus external to the robot cleaner, comprising a main body provided with a suction unit for collecting ...

The cleaning robot (10) has an external charger with a power supply terminal and a terminal stand (84) for mounting the charger. The robot has a memory and a camera (30) to photograph the ceiling. The robot calculates the location of the external charger (82) and stores this during charging. When returning to the charger, the robot calculates a return path based on the camera image. Claims include...

The method involves analyzing/identifying surface of elementary zones by comparing its visual appearance with surfaces visual appearance model, and identifying surface that are to be processed or not to be processed. The representation of the surface to be processed is used to generate movements, and the entire surface to be processed is discovered at the time of the movements. An Independent cla...

A mattress cover, especially for hospital mattresses prevents the ingress of liquids to the mattress core. The mattress cover includes an opening to allow the cover to be put on, and taken off, a mattress core. The opening is closed by a zip fastener ( 10 ). The teeth ( 12 ) of the zip fastener ( 10 ) are mounted on a substrate which is impermeable to fluids. Preferably the substrate is coated wit...

The system includes an ablation catheter (1) and a connection assigned to this at a high-frequency generator, at a controlled or at a regulated high-frequency ablation apparatus. The catheter has at least one electrode (2) to treat the tissue by power, preferably high frequency power, and at least one thermal sensor (3) assigned to the electrode, for determining the temperature of the electrode. T...

An adjustable-length tube (10) for sticks, having an outer tube (12) and an inner tube (11) that can be inserted telescope-like into the outer tube (12) for adjusting the length of the tube, and having a spreading device (15) that is supported at the insertion end of the inner tube (11), the spreading device being able to clamp the inner tube (11) axially in the outer tube (12) and having a spread...

An apparatus and method for controlling plumbing fixtures includes an electronic control board (10) having a microprocessor that accepts four inputs and produces four outputs. Inputs at other than the microprocessor's operating voltage are converted thereto. Outputs having different voltages are controlled by latching relays. The control board can be used with a Smart Sink that requires a sequence...

A method for producing particle shaped material from a melt. The method comprises the following steps: the material is melted, the material melt is intimately mixed with a gas in a predetermined ratio; the gas-liquid mixture is suddenly expanded and the material powder thus produced is collected, which the other gas is added to according to a predetermined air/liquid ratio during the expansion wit...

This invention relates to a catalyst which comprises palladium metal as the main catalyst, tin metal or a mixture of tin and additional metals as the promoter, in combination with an alkali or alkaline earth metal compound, supported on the outer surface of a porous carrier. The catalyst is used in the process for producing allyl acetate through the oxacylation of propylene, acetic acid and oxygen...

An oscillating arm apparatus for manufacturing a tire reinforcement from a single cord in which the cord is deposited in contiguous arches on a rigid core by a system of arms arranged in series conveying an eyelet in such a way as to allow it to traverse a core and thus deposit adjacent arches.

A tire comprising at least one reinforcement structure of the carcass type anchored on either side of the tire in a bead, the base of which bead is intended to be mounted on a rim seat, the reinforcement structure extending circumferentially from the bead towards the sidewall, at least one arrangement of main cords along a substantially circumferential path being arranged substantially adjacent to...

The side loops (5) are of a modified U-shape, with the open ends of the U-shapes fastened to pivot blocks on the ends of a transverse shaft (7). The shaft rotates in a support tube (8) with a square cross-section and a circular bore. A lever plate (13) is fixed to the shaft and is rotated by gas springs (9,40). The top ends of the springs are pivoted (12) to the lever plate and the bottom ends are...