A method of forming a hydrophlic coating on a substrate comprised of applying a hydrophilic copolymer capable of chemically reacting with a coupling agent which will promote adhesion to the substrate. A polyisocyanate coupling agent is applied to the surface from a solvent solution followed by applying the hydrophilic copolymer from solvent solution. In certain instances, the copolymer and isocyan...

PURPOSE:To smooth the inside wall of an ampoule and to facilitate taking out of a grown crystal by inserting a carbon crucible which is coated with a carbon film on the inside wall surface and is internally packed with a semiconductor crystal growing material into a bottomed outside tube. CONSTITUTION:The carbon crucible 23 is inserted into the bottomed outside tube 22 made of quartz, the top end ...

PURPOSE:To grow a large-area crystal having a large diameter by adding an easily evaporable element to an alloy from which the easily evaporable element is removed, packing the alloy into an ampoule, inserting an element for controlling a vapor pressure into the ampoule and heating the same to a co-existing state of a liquid phase and solid phase. CONSTITUTION:The material from which a part or the...

The invention includes a photometer (10) and a photometric test strip (31) for use with the photometer for monitoring the presence and amount of an analyte in a liquid sample. The photometer (10) includes a light source (25) and a photodetector (26) which form an optical path for detecting light transmitted through a test strip (31). The latter has a dry support and an indicator portion, both of w...

1526063 Parental infusion apparatus OTSUKA PHARMACEUTICAL FACTORY INC 19 Sept 1975 [26 Sept 1974 (2) 23 Oct 1974 11 Nov 1974] 38464/75 Heading A5R [Also in Division B8] Apparatus for administering parental solutions comprises a flexible plastics container 1, which is provided with a sealed outlet nozzle 2 having peripheral external grooving 4 defining a severable tip portion, and a feed device 7 h...

The safety ski binding has a sole plate (5) which is mounted swivellably on a pivot (2a), which is fixed to the ski, and bears at its rear end a heel hold-down (7). A sole hold-down (13), which is swivellable on the bearing block (8) of the safety ski binding, is held in the travelling position by two coupled pairs of straps (14; 17), linked to the bearing block (8), via a first compression spring...

This safety ski binding has a baseplate 3 which is to be fastened to the upper side of the ski and bears a vertical pivot pin 4, on which pivot pin 4 a footplate 8 is pivotably mounted, which bears, at its rear end, a heel-holder 2 with a sole-holder 6 acted on by a catch spring 25 and, at its front end, a toepiece. The footplate 8 is pressed in the direction of its central position by the catch s...

This heel-holder 1 has a bearing block 6 in which a holding-down device 8 is rotatably mounted. This device is designed in one piece with a spring housing and can be pivoted counter to the force of a spring 11 which is supported by one end on an adjusting screw 12 screwed into the spring housing. The other end of the spring 11 bears via a piston 10 against a bolt 7 which is fastened in the bearing...

A self-emulsifiable resin powder can be dispersed in water without utilizing additional surfactants or expending large amounts of mechanical energy. Such self-emulsifiable resin powders offer numerous distinct advantages over conventional latices. One of the most important benefits that is realized by utilizing self-emulsifiable resin powders is that they can be shipped dry which is the equivalent...

An aqueous phenol formaldehyde resole, suitable for use in the manufacture of phenolic foam insulation, has a molar ratio of formaldehyde to phenol in the range of from about 1.7:1 to about 2.3:1, and a weight average molecular weight greater than 800. Preferably, the resole also has a number average molecular weight greater than 350 and a dispersivity greater than about 1.7. Phenol formaldehyde r...

In a compressed gas insulated high voltage switching installation, in particular, one with single phase metallic encapsulation, including bus bar systems and switchgear sections, with branches which are firmly anchored in space and in which compensators with tie rods are arranged in line with the bus bar systems, the longitudinal expansion of the housings of the bus bar systems is taken up practic...

PURPOSE:To produce a solution of compound metal to be used for forming an oxide superconducting compd. having superior film-forming characteristic with better stoichiometric result at lower temp. than conventional synthetic methods by dissolving a metal compd. constituted of a IIa group metal, Cu, and a IIIa group metal in an org. solvent. CONSTITUTION:A metal alkoxide constituted of a IIa group m...

PURPOSE:To obtain an extremely dense ceramic superconducting material in a short time and at low cost by pulverizing a calcined material contg. a group IIIa element, a group IIa element, and Cu, adding elementary halogen to said powder, and molding to a specified shape and heating the molded product. CONSTITUTION:A starting material consisting of a compd. of a group IIIa element (e.g. Yb2O5), a co...

PURPOSE:To obtain easily an oxide superconducting material at low cost by mixing each compd. of a IIIa group element, a IIa group element a VIIb group element and a Cu compd., integrating the mixture by compression, calcining the integrated product in oxidizing atmosphere, pulverizing the calcined product, integrating the pulverized product by mixing again, then executing final calcining. CONSTITU...

PURPOSE:To improve orientation of crystals so as to attain better conduction of electric current and to elevate critical current density of an oxide superconductor by impressing electric current at the same time when a product obtd. by integrating starting materials comprising elements selected from the groups IIIa and IIa of the periodic table, and Cu, is calcined. CONSTITUTION:Starting materials...

PURPOSE:To produce a uniform and large sized superconducting material by spraying molten mixture of powder of metallic La, Sr, Cu, and/or powder of oxides thereof, or powder of metallic Y, Ba, Cu, and/or powder of oxides thereof onto a substrate. CONSTITUTION:A starting material for an La-Sr-Cu-O type superconducting material is prepd. by mixing metallic powder of La, Sr, and Cu, and/or powder of ...

PURPOSE:A sintered body having a thin insulative layer on the surface and rhombic crystalline parts in the inside, having thus superior superconductive characteristics, produced by calcining a mixture consisting of a specified compsn. consisting of an oxide of a rare earth element, an oxide of an alkaline earth metal, an oxide of Cu, etc., and sintering a mixture after adding a specified proportio...

Stable prepolymer solutions are made from partially cyclotrimerized 4,4 min -thiodi(phenylcyanate) dissolved in dimethylformamide, N-methylpyrrolidone, cyclopentanone, or mixtures thereof. The prepolymer solutions are used to make flame retardant and thermally stable laminates.

Adhesive active finish compositions for synthetic reinforcing members to bond the latter to vulcanizable rubber and reinforcing members for vulcanizable rubber. The adhesive composition comprises a water soluble epoxy compound and a curative having an active hydrogen. The stoichiometric ratio of the epoxy to the curative ranges from about 1:1.2 to 1:0.0003. A method of reinforcing articles of vulc...