A continuous, completely jacketed countercurrent centrifugal extractor of the type utilized to mix and separate two liquids that have different specific gravities and enter through separate inlets. The extractor has at least one overflow weir in a mixing zone between the inlet for the specifically lighter and the inlet for the specifically heavier liquid phase and a division of the mixing zone int...

Two embodiments of a mandrel for fabricating an air spring are disclosed. Each has a fixed diameter cylindrical portion and a portion variable in diameter to provide an extension of the cylindrical surface expandable to conic form. An array of fingers are pivotally secured to swing in radial planes to provide the variable diameter portions and are actuated by inflatable sleeves. The fingers are no...

PURPOSE:To improve a dwelling characteristic and a durability of a house having a function of ventilation for a dwelling space and a ground heating as well as using an air cycle by a method wherein a ventilation with less loss of heat is carried out and a solar heat is collected from outer walls and a roof. CONSTITUTION:A garret space 1, a dwelling space 2 and an under-floor space 3 of a house A a...

A universal fitting is provided for inoculating sequentially a plurality of examination tubes and/or bottles of a variety of diameters with a single body fluid specimen taken from a patient by a syringe. After taking the sample, the needle on the syringe is discarded and the male luer adapter of the syringe is connected to the female luer on the universal fitting of the invention. The fitting may ...

A curable and solventless sealant two-component composition consists essentially of a mixture of (a) a mixture of about 100 parts of a low molecular weight elastomeric isocyanate terminated prepolymer, having from about 3.5 to about 4.5% NCO content, from about 250 parts to about 400 parts of a medium process oil having a Brookfield viscosity at 22.degree.C. of about 10 to 500 cps, and from about ...

PURPOSE:To allow the use of a code error detecting circuit even when the bit rate of a transmit signal is 100Mb/sec by providing a means which outputs a limit signal when the counted value of an up/down counter exceeds a specific range. CONSTITUTION:When an optical transmission system perform nBmB conversion so that a running digital sum (RDS) is within the specific range, the running digital sum ...

The lift-up hanging tab for plastics containers, e.g. as used for dispensing serum, medicines etc. is basically a one-piece plastics member which has a flat tab with at least one hole (4) through which it is connected by welding, gluing, riveting or the like on at least one attachement base (E) of the container. The tab is provided on at least one edge with an arcuate wing (2) which extends to for...

An acid copolymer/quaternary amine mixture is disclosed which is permanently antistatic. The acid copolymer is a copolymer of (i) a major amount by mol % of an alpha-olefin of the formula RCH=CH2 wherein R is H or C1 to C8 alkyl, and (ii) a minor amount by mol % of an alpha,beta-ethylenically unsaturated carboxylic acid. The quaternary amine is of the formula [(R<1>)(R<2>)(R<3>)(R<4>)N]<+> [X]<-> ...

The prepregs are prepared by impregnating a fibrous reinforcing material with a liquid composition which contains both a thermocurable phenol-aldehyde resin and at least one photopolymerisable component (in addition to the phenol-aldehyde resin) and preferably a thermocuring agent for the phenol-aldehyde resin and a photopolymerisation catalyst for the photopolymerisable component, and subsequentl...

This invention relates to a process for manufacturing a porous polyether urethane film that may or may not be cross-linked, which film is adapted for use as a wound dressing or as a part of a wound dressing. The process comprises spreading a solution of an aliphatic polyether urethane elastomer and a hygroscopic salt in an organic solvent over a substrate after a heat treatment, contacting said su...

PURPOSE:To increase oxygen absorption, to suppress oxygen dissociation and to increase critical current density, sintering temp. and denseness by incorporating V2O5 into YBa2Cu3O7-delta. CONSTITUTION:A powdery mixture of Y2O3 with BaCO3 and CuO is calcined at about 900 deg.C for several ten hr in an oxidizing atmosphere, slowly cooled to room temp. at about 100 deg.C/hr cooling rate and crushed to...

PURPOSE:To obtain the title thick film having a uniform thickness, high flexibility, and high transition temp. to superconducting state by calcining a heat resistant substrate produced by the spray-coating of an oxide superconducting material consisting of oxides of Y, Ba, and Cu, in O2-contg. atmosphere. CONSTITUTION:A layer of an oxide superconducting material having 50-100mum thickness is forme...

PURPOSE:To produce an oxide superconductor having high critical temp. by introducing nitrogen by nitrogen plasma treatment into an oxide consisting primarily of a rare earth element, an alkaline earth metal, and copper. CONSTITUTION:An oxide (e.g. YBa2Cu3O7-delta) consisting primarily of an Ln element (Ln is at least one kind among rare earth elements), an AE element (AE is at least one kind among...

PURPOSE:To obtain minute and spherical oxide superconducting powder contg. no mixed impurities by atomizing an aq. soln. contg. a mixture of acetates of an alkaline earth metal, rare earth element, and copper, classifying the atomized particles, transforming the classified particles to oxide powder, dehydrating the oxide powder, and collecting the dehydrated product. CONSTITUTION:A uniform aq. sol...

PURPOSE:To obtain minute spherical oxide superconducting powder contg. no mixed impurities by atomizing an aq. soln. contg. a mixture of perchlorates of an alkaline earth metal, a rare earth element, and copper, classifying the atomized product, obtd. oxide powder by heating the classified product, then dehydrating the heated product and collecting the dehydrated product. CONSTITUTION:A uniform aq...

PURPOSE:To obtain the title target material having improved uniformity, purity, and denseness by drying a slurry or sludge mixture obtd. by adding a carbon-contg. material to a specified soln., heat-treating the dried mixture, obtg. thus heat-treated powder, then molding the powder and sintering the molded product. CONSTITUTION:A composition (D) for a target material to be used for the production ...

PURPOSE:To obtain a superconducting ceramic having high critical temp., high stability, reduced cost, and improved reliability by compressing, molding, then calcining a molded product after mixing Sc, Er, Eu, Ba, Cu, etc., in a specified compositional ratio. CONSTITUTION:A mixture is produced by mixing each powder Sc2O3, Er2O3, Eu2O3, BaCO3, and CuO wherein each compositional ratio of Sc, Er, Eu, ...

PURPOSE:To obtain a superconducting ceramic having high critical temp., high stability, inexpensiveness, and improved reliability by compressing, molding, and calcining a mixture consisting of Sc, Yb, Y, Ba, Cu, etc., mixed in a speci fied compositional ratio. CONSTITUTION:A mixture is produced by mixing each powder of Sc2O3, Yb2O3, Y2O3, BaCO3, and CuO wherein each compositional ratio of Sc, Yb, ...

PURPOSE:To obtain a superconducting ceramic having high critical temp., stable characteristic, and improved reliability by calcining a mixture of RE-Ba-Cu-O at a specified temp. in O3 atmosphere or O2+O3 atmosphere. CONSTITUTION:A herein RE mean rare earth elements, mixture consisting of (RE)2O3, BaCO3, CuO, etc., with a specific ratio, is calcined at 930-1,000 deg.C in O3 or O3+O2 atmosphere, the...