The socket body has an exterior surface which tapers in one direction while anchoring beads on the exterior surface taper in an opposite outward direction. The beads serve to anchor the body within a pelvis. In addition, cross ribs are formed on the anchoring beads with at least some of the ribs being elastic. Upon insertion of the socket, the ribs bend in a direction opposite to the direction of ...

Macrolides having the structural formula (I): were Q is -CH2OH or -CHO; and esters and salts thereof, having useful activity against gram-positive bacteria and Mycoplasma species, and their preparation by cultivating Streptomyces fradiae NRRL 12170.

A new acidic polycyclic ether antibiotic has the formula: +TR and can be prepared by the submerged aerobic propagation in aqueous nutrient media of Streptomyces halstedii ATCC 31812. The antibiotic and its cationic salts are active against a variety of microorganisms and are effective in controlling coccidiosis, enteritis, swine dysentery and theileriosis as well as being effecti...

An extruder mixer comprising a hollow cylindrical stator (14) having a cylindrical rotor (10) journalled therewithin, the facing cylindrical surfaces of the rotor and stator carrying respective pluralities of parallel circumferentially extending rows of hemispherical cavities (18, 20). In order to achieve an exponential mixing characteristic in which simple shear mixing is repeatedly interrupted b...

Novel antibiotics of the following structure wherein R represents a moiety selected from the group consisting of hydrogen, -COCH2NH2, -COCH2NHCONH2 and -COCH2NHCHO: process for preparation thereof; and biologically pure culture for use therein.

PURPOSE:To detect the runaway of a microcomputer and to stop a system at the safety side and to prevent the runaway, by providing a pulse generating circuit and an N-notation counter as the peripheral circuits of the microcomputer to transfer a signal. CONSTITUTION:When a microcomputer 1 runs away, the clear pulses are not outputted orderly within TX(N-1)sec from a clear pulse output terminal 4. T...

Method and apparatus for recording sweat gland activity which provides a pictorial representation thereof by physical contact of an iodide treated skin area with a dry sensitized substrate. In one preferred embodiment, the sensitized substrate comprises a sheet material which has been coated with an aqueous solution containing from 1 to 10 percent by weight of starch and from 2 to 10 percent by we...

This invention relates to new nematic liquid crystal substances for electro-optical components. The object of this invention is to create substances for electro-optical components combining chemical and thermal stability with low melting and high clear points at low operational voltage, as well as to processes for their production. It has been found that new liquid-crystal trans-6-n-alkyl-decalin-...

Novel aminoglycosides of the following formula wherein R1 and R2 are identical or different and each represents a hydrogen atom or a methyl group, R3 represents a hydrogen atom or an optionally substituted aminoacyl group having 2 to 4 carbon atoms in the acyl moiety, and when all of R1, R2 and R3 are hydrogen atoms, the methylamino group at the 4-position is not oriented trans to the ...

NEW MATERIAL:Aminosaccharide antibiotic G-367-1 (nontoxic acid addition salt) having the following physico-chemical properties: Melting point 130-133 deg.C. [alpha]D<24>+188.9 deg. (C=1.0, H2O). C, 50.14%; H, 7.60%; N, 14.42%. Molecular weight 475(mass spectrometry). Molecular formula C20H37N5O8. Soluble in water and methanol; insoluble in acetone, benzene, chloroform, etc. Positive to ninhydrin a...

The process comprises contacting a cracked naphtha in a reaction zone under hydrodesulfurization conditions and in the presence of hydrogen with a catalyst comprising a hydrogenation component comprising a Group VIB metal and a Group VIII metal deposited on a solid support comprising magnesium oxide. The catalyst support may also comprise a refractory inorganic oxide, such as alumina. In the latte...

The disclosure relates to a dental treatment chair assembly wherein the assembly is detachably positioned inside the backrest of the chair and comprises a number of cartridge boxes; each of the boxes contains therein an instrument and an extensible connecting pipe and means for assisting manual extension and reeling-in of the pipes from the top of the shoulder part of the backrest, whereby a denti...

Metal substrates, such as steel sheeting or steel plates of large containers and similar structures, are coated in a continuous operation by arranging a polymer stratum that comprises a heat or melt bonding composition in contact with the metal substrate and by directing electromagnetic radiation in the radio frequency range through the polymer stratum without substantially heating the latter onto...

PURPOSE:To line a steel material with a layer having improved secondary adhesivity, by decomposing a chromium(IV)oxide layer formed on the steel material thermally to decrease the water solubility, and by forming a resin layer on the layer. CONSTITUTION:An aqueous solution consisting mainly of chromiumIVoxide is applied to the surface of a descaled steel material at a coating weight of 5-500 mg/m<...

PURPOSE:To manufacture a rubber molded article of excellent bonding by adhering cords to a diene rubber composition containing an active silica, hexamethyleneimine thiothiazole, etc., and then curing the resulting composite.

PURPOSE:To protect a semiconductor element from outer air by forming an oxide layer of alumina at the periphery of a support which places a semiconductor element, thereby strengthening the bonding strength of an organic resin with sintered nonoxide. CONSTITUTION:A sputter alumina film 2 and a Cu-Mn metallized layer 3 is formed on a sintered silicon carbide plate 1, and a semiconductor placing subs...

PURPOSE:To minimize primary current for the determination of converter capability as necessary, by adding a flux current polarity detector into a control circuit of a power converter, and keeping flux current constant when flux-weakening control makes rapid acceleration. CONSTITUTION:When a motor 13 is driven in variable speeds with a use of cyclone converters Cu-Cw, a flux current polarity detect...

PURPOSE:A rubber material and a fiber-reinforced plastic (FRP) containing an unsaturated polyester resin are laminated using an epoxy resin containing a curing agent in a specific proportion to produce said laminate with high adhesiveness and physical strength.

1. Process for producing an imitation leather web, in which a web is formed by dry joining together of fibres and its structure is densified by needle-punching and by activation of shrinkage forces, a binder having a coagulable composition and possessing an aqueous carrier liquid is introduced and the web is subsequently exposed to the action of an acidified liquid, dried and subjected to a finish...