A powder deposition apparatus comprising a stencil means having an upper non-permeable surface, with a cut-out therethrough is adapted on top of a screen, and a lowermost foil surface with a similar aligned cut-out therethrough which apparatus is articulatable over a receiving surface. The apparatus also comprises a gasket which is secured to the lowermost foil side of the screen, around at least ...

Electromagnet (1) including a coil former (2), the extensions (21, 22, 23, 24) of which interact with a crosspiece (9) of the yoke (10) and with a flux-closing part (13) in such a way as to ensure, on the one hand, that a fixed core (6), placed in the bore (3) of the former is applied without a gap and, on the other hand, that this bore is strictly aligned with an aperture (14) of this part so as ...

The invention relates to an internal emulsifier system and the use of this system in the preparation of polyurethane dispersions such as non-ionic aqueous polyurethane dispersions based on tetramethylxylylene diisocyanate. The emulsifier system is obtainable by reaction, at a temperature between 100 DEG C and 200 DEG C during 1-3 hours, between an alkoxypolyethylene glycol and an anhydride in the ...

PURPOSE:To prepare a moisture-resistant fluophor by coating the surface of a fluophor with a specified glass. CONSTITUTION:The surface of a fluophor is coated with at least one glass represented by Sn-Pb-P-O-F or MxO-PbO-P2O5 (M is alkali or alkaline earth metal; and x=1-2).

PURPOSE:To prepare a moisture-resistant fluophor by coating the surface of a fluophor with a specified compd. CONSTITUTION:The surface of a fluophor is coated with a polymetallocarbosilane compound (e.g. polytitanocarbosilane).

PURPOSE:To obtain a bright color display of high luminance by providing a phase plate having the twist angle reverse from the twist angle of the liquid crystal layer of the color liquid crystal element on the outer side of the color liquid crystal element. CONSTITUTION:The color liquid crystal element 1 has two sheets of upper and lower transparent substrates 2, 3 and is formed with color filters ...

The present invention relates to a safety binding for fastening a boot to a ski, the energisation assembly of which has elastic return means (3) and damping means (6) which are secured simultaneously to the jaw (101) of the binding by means of a movable element (2) and which interact together with the aid of a compensation bar (rocking lever) (35), which ensures their dynamic linking. This binding...

The invention relates to an internal emulsifier system and the use of this system in the preparation of polyurethane dispersions such as non-ionic aqueous polyurethane dispersions based on tetramethylxylylene diisocyanate. The emulsifier system is obtainable by reaction, at a temperature between 100 DEG C and 200 DEG C during 1-3 hours, between an alkoxypolyethylene glycol and an anhydride in the ...

PURPOSE:To prepare a polytetrafluoroethylene powder in the form of a dense particle, improved in purity and being useful as a modifier for inks, coating materials, etc., by heat-treating an unfired polytetrafluoroethylene powder and grinding the resultant powder to a powder having a specified mean particle diameter and a specified specific surface area. CONSTITUTION:Tetrafluoroethylene is (co)poly...

PURPOSE:To obtain an oxide superconductor thin film exhibiting excellent superconducting characteristics in high reproducibility by forming an oxide superconductor while supplying a specific atomic oxygen to a part near the coating surface of a substrate. CONSTITUTION:An oxide superconductor thin film is formed on a substrate by physical evaporation process under reduced pressure while supplying a...

PURPOSE:To make a specific Bi-based superconductive complex oxide to have a higher Tc and an electron-conduction type electroconductive mechanism by controlling containing amount of oxygen. CONSTITUTION:Composition of the aimed superconductive complex oxide is expressed by BixLnySrzCu0w (Ln is at least an element of Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; 0.2<=x<=1.2; 1.6...

PURPOSE:To form a Bi-based oxide superconductor having a high critical temperature on a Ni base material in a state of excellent adhesion by using a melting method with forming a stable oxide layer on a Ni base material and solidifying melt of Bi-based oxide super conductor on the base material. CONSTITUTION:A base material made of Ni is heated above a temperature of 900 deg.C to form an oxide fil...

PURPOSE:To make possible to perform a superconductor film-forming process with sputtering at a low temperature and to moderate a forming condition by constructing a part of a specific ratio in a whole target with a Bi-containing oxide comprising a composition expressed by a specific atomic ratio. CONSTITUTION:At least 20wt.% of a whole target is constructed with an oxide having a composition expre...

PURPOSE:To enhance the critical current density and magnetic field characteristics by containing specific amounts of silver and platinum in a specific Bi-based oxide superconductor. CONSTITUTION:The aforementioned oxide superconductor contains 10-35wt.% silver and 0.1-2wt.% platinum and has a composition expressed by the general formula B1-APbASrBCaB, MgCBaDCu1.0+ or -0.15OX. (A is 0.01-0.35; B is...

PURPOSE:To form an oxide superconducting thin film in good crystalline orientation state by putting a noble metal material between two sheets of metal substrates consisting of a heat-resistant alloy having high strength and rolling the noble metal in the above-mentioned state to form a composite and then dividing the composite into two parts so as to leave the noble metal material on either one me...

PURPOSE:To form an oxide superconducting thin film in good crystalline orientation state on a covering layer and enhance strength of the film by forming the covering layer consisting of a noble metal material in the outer face of a metal substrate having high strength, flexibility and heat resistance using a material obtained by forming the covering layer into a crystal structure oriented to a spe...

PURPOSE:To form an oxide superconducting thin film in good crystalline crystal orientation state on a substrate by using a crystalline noble metal material having a face-centered cubic structure as a substrate and providing a specific crystalline orientation to a surface part on which a superconducting thin film is formed. CONSTITUTION:The aimed substrate is used in an oxide superconductor forming...

Black acid or the sulfuric acid residue obtained in the manufacture of ethyl acrylate by reaction of ethylene and acrylic acid in the presence of sulfuric acid is heated and distilled in a distillation zone in the presence of a solvent to form an overhead mixture comprising an organic phase containing ethyl acrylate and solvent, and an aqueous phase containing water, solvent and acrylic acid. The ...