A slip or casting composition useful in molding or sheet casting comprising: a mixture of inorganic particulate material, an organic solvent and a dispersant for said particulate material having the structure set forth below: where R1, R2, R3 are linear or branched hydrocarbon chains, where no more than one of the R Groups is CH3 and the remaining R groups are each at least 6 to 30 carbon a...

PCT No. PCT/GB88/00359 Sec. 371 Date Nov. 7, 1989 Sec. 102(e) Date Nov. 7, 1989 PCT Filed May 6, 1988 PCT Pub. No. WO88/08682 PCT Pub. Date Nov. 17, 1988.A device for adjusting the seat height (S) of a chair (2) comprising four leg extenders (A, B, C, D). Each has an aluminum extrusion leg extension member (11) with a rebate (12) for partially accommodating a leg (1) to be extended. Located at one...

An apparatus for inspecting the top and bottom surfaces of a tape or sheet has a device to magnify the surface of the tape or sheet, with its objective lens disposed to face the top surface of the tape or sheet. The apparatus also has an optical transmittion system that transmits an image of the bottom surface of the tape or sheet through a focusing unit and four reflectors, each of which is adapt...

PURPOSE:To perform a reaction with a high degree of hydrogenation under mild conditions with a small amt. of a catalyst and to increase the efficiency of coal liquefaction by using an Ru-contg. catalyst as the catalyst for coal liquefaction. CONSTITUTION:An Ru-contg. catalyst obtd. by impregnating a soln. of an Ru compd. in an org. solvent or water into the oxide or sulfide of a metal such as Fe o...

PURPOSE:To produce the device of a large screen at a low cost by constituting a semiconductor substrate which is previously stuck with switching elements via an insulating thin layer on a supporting substrate as an operating semiconductor layer. CONSTITUTION:An SiO2 film 13 is formed on the surface of the supporting substrate 11 consisting of Si and an Si single crystal substrate 12 is superposed ...

A tire curing system in which a number of mobile curing units, each designed to house a respective green tire, are selectively and independently fed along a loop circuit having at least two parallel branches, the ends of which branches are connected to a common section extending through a station for loading and unloading tires on and off respective curing units; each curing unit incorporating a m...

A drilling system comprises a drill string (1) incorporating inbuilt tubular conductors (25), a mud supply passage, and passages for protective or other fluids. The drill string can be advanced by selectively actuable pistons (51,60) exposed to drilling mud flow, by electrically driven traction units (71,74) engaging the drill hole wall or by a linear electric motor element (82) co-operating with ...

A method for improving the properties of a metathesis polymerized cycloolefin article by treating with molecular halogen in an organic solvent. Degree of treatment can be regulated according to the swelling power of the solvent for the polymer. Improved properties include improved flame retardance, oxidation resistance and surface properties.

Multilayered plastic objects are prepared having a core layer of an aromatic polycarbonate in contact with a polymethacrylate film containing a UV absorber. The polymethacrylate film comprises a copolymer of methylmethacrylate and an acrylic or methacrylic ester, (meth)acrylamide, maleimide or mixtures thereof and is compatible with said aromatic polycarbonate at all mixing ratios.

A biaxially oriented polyester film containing 0.01 to 4 wt%, based on the polyester film, of inorganic particles, the volumetric shape parameter being 0.02 to 0.20, the weight-average particle size being 0.05 to 3 mu m, and the ratio (Dw/Dn) of the weight-average particle size (Dw) and the number-average particle size (Dn) being not more than 1.10 is disclosed. The film of the present invention ...

PURPOSE:To obtain a paste capable of giving a homogeneous and smooth thick film of an oxide superconductor free from crack by dissolving (in)organic acid salt of each element constituting an oxide superconductor in a solvent, adding an organic acid to the solution, concentrating the mixture with heat and mixing the produced solid with a hydrophobic solvent. CONSTITUTION:Inorganic acid salts or org...

PURPOSE:To decrease the anisotropy of electrical conductivity of a superconductor single crystal thin film while maintaining the excellent characteristics of the single crystal thin film by alternately depositing two single crystal thin films of a highTc oxide superconductor having different crystal plane orientations to obtain a multi-layer film having orientation of Cu-O base plane varying with ...

PURPOSE:To obtain a thin film superconductor having increased superconducting transition temperature by forming a multiple oxide superconductor mainly having a Nd2CuO4 crystal structure as the 1st layer on a substrate, reducing the oxide and depositing a composite compound coating layer having a specific composition on the reduced layer. CONSTITUTION:A multiple oxide superconductor thin film compo...

PURPOSE:To provide a Bi- or Tl-based oxide superconductor capable of giving high critical current density with the influence of external magnetic field on critical current density excluded, containing holes of the constituent cations in its crystal. CONSTITUTION:The objective oxide superconductor of chemical formula: Aa2Ma3 Cu2Ow or Aa2Ma4Cu3Ow (Aa is Ba or Tl; Ma is Sr, Oa or Ba; where, part of A...

PURPOSE:To provide a Bi-Sr-Ca-Cu-O-based oxide superconductor of specified composition, capable of giving critical current density with small anisotropy, having polycrystalline structure. CONSTITUTION:The objective oxide superconductor of formula I or II (x satisfies the relationship: 0.5<=x<=0.8); delta represents oxygen defect, being -0.2-0.4), having polycrystalline structure. The reason why th...

PURPOSE:To maintain shape of superconductor and to make a long product in good workability by arranging a precursor or calcined powder of superconductor at fracture part or joint part of Bi-based oxide superconductor, heating, melting and integrating at >=a melt temperature. CONSTITUTION:A precursor or calcined powder of Bi-based oxide superconductor is sprinkled or piled on fracture part or mutua...

The electrical (17) and power (18) components are mounted on a conductive foil (13) formed with interconnecting tracks. The foil is thermally conductive and is bonded to plates of aluminium (10, 11) which dissipate any generated heat. The outer section of the foil carries connector blocks (16) with multipin contacts (15). The foil is flexible and allows the two halves to be folded together until t...

An absorbent member, suitable for a tampon, is produced by ejecting a liquid against a sheet of water-absorptive fibers in order to interlace the fibers with each other and moulding under a pressure the sheet to form the absorbent member.

The present invention relates to a driving and locking device including: (a) motor means arranged to drivingly engage a first rotor and apply torque to same and move same in a first direction; (b) said first rotor being provided with at least one rigid stop engagable with a rigid stop on a stator to arrest the motion of said rotor; (c) torque transferal means for transferring the torque applied by...