Ethylene glycol is prepared by a process in which ethylene oxide is extracted from an aqueous solution with near-critical or super-critical carbon dioxide. Thereafter an ethylene oxide-carbon dioxide-water mixture is contacted with a catalyst to form ethylene carbonate, which is then hydrolyzed to ethylene glycol in the presence of the same catalyst. The ethylene glycol is separated as product and...

PURPOSE:To prevent a short circuit between positive electrode and negative electrode active materials by filling raw paste in current collectors, radiating ultrasonic waves while separators wider than the specified frames around the current collectors are put on the frames, and integrating both split electrode jars. CONSTITUTION:Grid-shaped current collectors 3, 3', 3'' made of a lead alloy are in...

An apparatus for dividing a multi-unit battery plate grid into individual battery plate grids and for subsequently applying paste to the individual battery plate grids, which apparatus comprises a pasting device for applying paste to the grids, a parter located upstream of the pasting device for dividing multi-unit battery plate grids into individual battery plate grids prior to pasting thereof, a...

In the case of a device for forming stacks of unstable accumulator plates (1), having a plate body (8) and plate tabs (7) on both sides, after their production, in the case of which the accumulator plates (1) are conveyed forwards on a conveyor belt (2) horizontally with the plate tabs (7) at the front end in the conveying direction and leave the conveyor belt (2) to form the stacks, reliable tran...

: The invention relates to a system for determining fiber orientation in a stationary or moving web of fibers. It comprises a light source, means for focusing a small light spot onto the surface of the web resulting in an ellipse-shaped spot on the opposite surface of said web, an array of light-sensitive elements positioned on the other side of the web, parallel and at a predetermined distance th...

The invention concerns novel compounds of the formula I I wherein: W are selected from the group consisting of: the groups R5-CO- and R5-CS- wherein: R5 is selected from alkenyl, alkynyl, benzyl, phenyl, substituted alkyl, substituted alkenyl, substituted alkynyl, substituted benzyl, substituted phenyl and the acetal, hemiacetal, oxime, imine and Schiff base derivatives of the group R5-C...

The invention concerns a method and an apparatus for the automatic control of a guided vehicle (2) and proposes a new safety concept which, if breakdowns and/or emergencies arise, prevents the vehicle from being stopped in tunnels, on bridges or on pathless terrain. The invention lies in that between preselected stopping regions (11, 12, 13) provided with system for evaluation of passengers and fo...

An apparatus for inspecting the surface of a web material moving lengthwise at a constant speed by scanning the surface in the direction of the width of the surface with a light beam. The scanned beam modulated by the surface is received and converted into an electric signal which is divided into division signals representing lengthwise areas of the surface. At least one of the lengthwise areas or...

In the case of the proposed circuit arrangement, the busbars of a digital system which is in operation are connected successively, for a characteristic time, to the clock input of a flipflop, with the aid of a multiplexer and a control unit. If the state of the flipflop does not change during the time in which it is connected to the busbar, this is a sign that no information interchange has taken ...

An interference image of a biaxially stretched film strip 4 is generated optically. Streaks in the film strip are areas of different orientation and/or thickness d which are distinguished from the streakfree areas in the interference image by clearly different intensities. In order to generate the interference image, a light-source 1, a diffuser screen 2 and a polarizer 3 are arranged on one side ...

PCT No. PCT/SU86/00006 Sec. 371 Date Sep. 2, 1987 Sec. 102(e) Date Sep. 2, 1987 PCT Filed Jan. 30, 1986 PCT Pub. No. WO87/04625 PCT Pub. Date Aug. 13, 1987.A polyurethane foam composition for immobilization in traumatology containing the following components in mass %: hydroxyl-containing polyester: 20-30 catalyst: 0.5-3.0 foaming agent: 0.5-7.0 foam stabilizer: 0.5-0.9 low molecular polyolefin: 2...

The invention relates to new aryloxy phenoxy acyl malonates of the general Formula I (I) a process for the preparation thereof and herbicidal compositions comprising the same. In the general Formula I R1 stands for hydrogen, halogen, trifluoromethyl, trifluoromethoxy or cyano; R2 represents hydrogen, halogen or methyl; R3 is C1-4 alkyl; and the R3 substituents may be the sa...

Quinolone and naphthyridine antibiotics useful for treating ocular infections by topical administration.

Rigid mould for moulding rubber tyres, constituted by a core 3 for defining the inner shape of the tyre, lateral portions 2 and a ring 1 of sectors. So as to be able to close such a mould, all the parts are designed to slide over each other during the final phase of their closing movement.

A copolyester film is disclosed which comprises a copolyester in which the dicarboxylic acid component comprises 100 to 85 mole percent of terephthalic acid and the diol component comprises 65 to 97 mole percent of 1,4-butanediol and 3 to 35 mole percent of a polyethylene glycol with a molecular weight of 106 to 550. The copolyester has a reduced viscosity in the range of 0.8 to 1.4 dl/g as measur...

The manufacture of a reinforcement for a tire comprises the following steps: (a) a continuous cord is hooked to retention means disposed in two circles which are a distance apart which corresponds to the length of the path of a cord from one side of the reinforcement to the other so that the cord, disposed in this way, defines a cylinder by a plurality of passes back and forth from one retention m...

The invention relates to a method of analyzing a multi-phase fluid flowing along a hydrocarbon well in order to determine, at each depth, the average static proportion of one of the phases by means of a local measurement. At each depth the local static proportion of the phase under investigation is determined at a point in the flow, which point is situated on a circle having a radius r in the tran...

PURPOSE:To manufacture the captioned continuous foamed body having high foaming ratio by molding polyolefin with a cross-linking agent and an organic resolving type foaming agent in specified quantities being added thereto, by foaming the same and later by applying mechanical deformation thereto to make foams communicated with each other. CONSTITUTION:The cross-linking agent and organic resolving-...