A liquid crystal display device which comprises two supporting plates spaced a distance d from each other the which a pattern of line and column electrodes, respectively, is provided on the facing surfaces and form a matrix of display cells. A mixture of a nematic liquid crystal with a cholesteric addition is present between the supporting plates. The mixture has a positive dielectric anisotropy a...

In one working operation or in directly successive working operations a tube 2 is extruded having at least two layers of different materials and the wall thickness thereof is structured to be wave-shaped or undulatory, i.e. has thick portions and thin portions at intervals. The thus formed tube sections are then cut from the tube to form the individual inner liners 50. The periodic variation in wa...

(S) alpha -cyano-3-phenoxy-benzyl alcohol having the formula I and a novel process for its preparation and novel intermediates.

A plant to extract meat from small crustacea, specially antarctic shrimps (Kril) consists of a mechanism to crush the carapaces, one for sepg. any readily floating particles, and one for sepg. the meat. A liq. is used to flush away the floats and the sinks are taken by an ejector to the meat separator. - This system has a higher productivity and a better meat yield than conventional methods.

Gearing mechanism providing for the automatic engagement and disengagement in a radial direction between successive gears in a gear train. A first gear, shown in the form of a rack gear, has a plurality of teeth traveling in a fixed path in space. Selectively meshing with the first gear is a second gear in the form of a pinion mounted upon a driving shaft, frictionally driven by the shaft, and hav...

Powdered polysaccharide may be made by spray drying an emulsion in a non-aqueous liquid of an aqueous solution of the polysaccharide. Spray dried polysaccharides are novel materials. At least 90% by weight of the particles may be within a size range of not more than 100 microns. The particles may have an average size between 50 and 250 microns or between 10 and 50 microns, and the finer particles ...

Blends of PTFE and perfluorinated ether copolymers of TFE and perfluoro(propyl vinyl ether) provide coating compositions which have reduced crystallinity and useful lives superior to what would be expected from averaging the properties of the unblended resins themselves.

A resilient, elastic self-expanding prosthesis comprising a flexible tubular body, the diameter of which is variable under axial movement of the ends of the body relative to each other, said body being composed of several individual rigid but resiliently flexible thread elements with spring properties each of which extends in helix configuration with the center line of the body as a common axis, a...

PURPOSE:To certainly obviate the tight corner braking phenomenon by correctly detecting the tight corner turn by the difference of revolution between the right and left wheels of selection driving wheels. CONSTITUTION:Rear wheels 12 are connected through a rear driving shaft 23, rear differential gear 24, and a rear axle 25, and front wheels 11 are switched between drive and non-drive by the opera...

PURPOSE:To improve the sealing property of an electrode part and to improve a yield rate, by fixing electrodes at specified positions of a mold for forming a pipe, putting ceramic powder or slurry in said mold, forming said pipe, and thereafter sintering the pipe. CONSTITUTION:At the locations corresponding to electrode attaching positions at the inner surface of rubber mold member 10, recessed pa...

PURPOSE:To correct the display direction of the document picture data by providing a top-bottom direction detecting means for documents which are read with an indication given from an input part and therefore detecting automatically the top-bottom direction of the input documents. CONSTITUTION:A CPU1 is provided to a document picture processor for total control of a system, and the document pictur...

PURPOSE:To enable to easily perform the mechanical and manual inspection and confirmation to be conducted after bonding on the title semiconductor device by a method wherein a mounting direction indicating mark is provided on the front side or the back side of a semiconductor chip or a wiring substrate in the semiconductor device of face-down bonding system. CONSTITUTION:The semiconductor chip 10,...

PURPOSE:To ease up any stress concentration in the peripheral part by means of resin-sealing the central part and both ends of semiconductor chip in separate process. CONSTITUTION:The central part of LSI chip 3 is sealed by sealing resin 5a to be hardened. Next residual parts are sealed by sealing resin 5b to complete resin sealing process. Through these procedures, any stress caused by hardening ...

PURPOSE:To enable to improve the heat radiating effect of a chip by a method wherein the lead pins are disposed on the side of the package substrate, wiring patterns are provided on the side of the package cap, each end part of the wirings and the chip are mutually connected using bonding-wires and the other end parts of the wirings are respectively connected to the lead pins. CONSTITUTION:A packa...

The invention relates to a chisel alignment unit for a facility for breaking the crust of solidified electrolyte on an electrolytic cell, in particular on a cell for producing aluminum. A mechanically stable alignment box extends from the under side of the chisel in its non-working position to the piston rod. The chisel features at least one vertical alignment surface which is in contact with at l...

Device and method for breaking open the solidified crust of electrolyte on an electrolytic cell, in particular a cell for producing aluminum. At least one projection is provided on the lower part of the shaft of a chisel used on a crust breaker. After breaking through the crust, the chisel is lowered further at least until the lowest projection or projections reaches the lower half of the crust.

The novel antigenic linear peptides of this invention comprise peptides of from 4 to 13 amino acids, which are characterized by containing the sequence valine-leucine-aspartic acid-methionine. These compounds correspond with the amino acids 231 to 243, or segments thereof including sequence 239-242 of mouse LDH-C4. The coupounds have utility in vaccines for reducing the fertility of female mammals...

Superficially porous macroparticles of improved characteristics are formed from an impervious core having a diameter in the range of about 5 to about 500 microns, at least two monolayers of like microparticles adhered to the core, each microparticle having an average diameter in the range of about 0.005 to about 1.0 micron, and at least two monolayers of like ultramicroparticles adhered to the sur...

Compounds of the general formula [wherein X represents the 1,2,5,6- tetrahydro-2-methyl-5,6-dioxo-as- triazin-3-yl group, the 2,5-dihydro-6- hydroxy-2-methyl-5-oxo-as-triazin-3- yl group of the 1,4,5,6-tetrahydro-4- methyl-5,6-dioxo-as-triazin-3-yl group] and readily hydrolysable esters, readily hydrolysable ethers and salts thereof and hydrates of these compounds have broad-spectrum ant...