Abstract: A combined bearing assembly comprises a thrust bearing receiving a thrust load with a number of rollers interposed between a planar inner member and a planar outer member, a radial bearing consisting of a radial receiving member secured to the inside diameter of a radial flange, the outer peripheral edge portion of the outer member having an outer flange formed by being axially bent, and a restraining member of L-shaped cross section fitted to the outer flange. The inside diameter dimension of the restraining portion of the restraining member is smaller than the outside diameter dimension of the inner member. The inner member and the outer member are prevented from being separated from each other.

Abstract: Malononitrile is prepared in a high yield by catalytic oxidative dehydrogenation of .beta.-aminopropionitrile in a gaseous phase with molecular oxygen in the presence of a catalyst, comprising a oxide composition of, preferably, Mo and at least one other catalytic element, more preferably, of the empirical formula (I):Mo.sub.12 Bi.sub.0.1-24 A.sub.a B.sub.b C.sub.c D.sub.d O.sub.x (I)wherein A=Fe and/or Cr, B=Ni, Co, Mn and/or Mg, C=alkali metals, alkaline earth metals, rare earth metals, Te, Tl, W and/or Pb, a=0.1-24, b=0-24, c=0-2 and d=0-5.

Abstract: Oxygen adsorbent for adsorbing oxygen from a mixed gas containing oxygen which comprises Na-A type zeolite containing iron with a valence of at least 2 or Na-A type zeolite in which a portion of Na is substituted with K and also contains iron. A process for the separation of oxygen from a mixed gas containing it by contacting the gas with the oxygen adsorbent at a low temperature to adsorb oxygen selectively.

Abstract: A method for manufacturing a magnetic recording medium including the steps of applying a magnetic coating containing magnetic particles therein to a support, subjecting said support having the magnetic coating thereon to magnetic orientation treatment while the magnetic coating is still in fluid condition and thereafter drying the magnetic coating, characterized in that said magnetic orientation is effected by passing said support having the magnetic coating thereon through a magnetic orientation field generated from magnetic field generating means which comprises one or more permanent or DC magnets and an array of a plurality of parallel elongated members of a soft magnetic material arranged substantially in a plane close and parallel to said support and adapted to be magnetized by said magnet or magnets.

Abstract: The invention provides a novel magnetic recording tape comprising a film base, a magnetic coating layer on one surface and a backing layer on the other surface, the backing layer containing an abrasive powder having a hardness of at least 4 in the Mohs scale, such as silicon carbide and the like, dispersed in a binder matrix formed by curing a radiation-sensitive polymer by irradiating with a high energy radiation, such as electron beams accelerated at a voltage of 100 to 750 kilovolts.

Abstract: A slide table has two parallel axial ball rolling grooves of Gothic arch-like cross section provided in each of the inclined surfaces of an outwardly opening trapezoidal groove and has axial through-bores providing ball passageways formed rearwardly of the ball rolling grooves. The track shaft has Gothic arch-like ball rolling grooves formed axially thereof and corresponding to the ball rolling grooves of the slide table. Each of the Gothic arch-like ball rolling grooves has a narrow escape groove provided in the bottom thereof. Each of the semicircular ball passageways has a narrow concave groove in the bottom thereof and is in the form of a recess. The retainer comprises a wire rod having a straight portion and semicircularly bent portions extending from the opposite ends of the straight portion. The semicircularly bent portions are engaged with the concave grooves of the side plates. The slide table is supported on the track shaft by four rows of balls which are in four-point contact.

Abstract: Compositions containing gelatin, hydrogen peroxide, ammonium hydroxide, thioglycolic acid, and a lower alkanol as the principal ingredients are useful to promote the growth of dermal and epidermal tissue.

Abstract: An apparatus for tire transportation in a tire-forming machine is described. The apparatus comprises a pair of circular plates attached to transfer means adapted to move in the axial direction of a tire-forming drum. A plurality of rotatable shafts are provided at substantially equal intervals in the circumferential direction on said circular plates and positioned on a circle concentric with said circular plates. To these shafts are attached levers having holding members for green tire or an intermediate assembly body for green tire and angular levers, said angular levers being connected together by means of linking members combined together through pins so as to form a number of parallelogram links of mutually cooperative movement and at least a driving means being provided for swinging said angular levers.

Abstract: A magnetic recording medium, consisting of a base coated with a magnetic coating material, uses as a binder a polyurethane resin having a metal sulfonate group, a vinyl chloride-vinyl acetate copolymer containing not less than 8% vinyl alcohol on the basis of the total binder weight, and nitrocellulose, in which magnetic particles are dispersed. The binder may contain an isocyanate compound as a crosslinking agent for added particle dispersibility.

Abstract: Isolation method of creatinase is disclosed. The method comprises culturing a microorganism belonging to Bacillus, for example, B-0618 strain (deposition No. FERM-P 4049 at Fermentation Research Institute, Agency of Industrial Science and Technology, Japan) to obtain cells from the cultured product, obtaining sarcosine oxidase and creatinase-containing solution, fractionally eluting sarcosine oxidase and creatinase by anion exchange chromatography to obtain a creatinase fraction and then collecting creatinase.

Abstract: A method for dust removal from a solid-gas contact reactor for dust-laden exhaust gases which includes a packing section composed of packings each having a plurality of passages formed in the flow direction of the gases to be handled. Jets of gas for cleaning use are issued from a bank of stationary or movable nozzles installed in the reactor against the face at the inlet end of the packing section so as to blow off economically and efficiently the dust and other particulate matter that have settled from the gases on the packing section and have grown or bridged as a deposit thereon. The distance from the nozzles to the face of the packing section to be cleaned ranges from 0.2 to 1.0 meter, and the gas jet velocity at the inlet of the same section ranges from 5 to 40 m/sec.

Abstract: A sheet feeding apparatus of the type capable of feeding sheets individually from the lowermost sheet of a stack of sheets placed on a sheet tray, for use in facsimile apparatus, a copying machine or the like, comprises a sheet feed roller rotated in the sheet feeding direction and a sheet separation roller also rotated in the sheet feeding direction and disposed downstream of a sheet feed roller in terms of the sheet feeding direction. A brake member is in contact with the peripheral surface of the sheet separation roller and a pressure application plate is disposed above the sheet feed roller to bring the sheets into pressure contact with the sheet feed roller. The pressure application plate is movable between its pressure application position and a position substantially away from the sheets whereby the pressure plate may be held away from the sheets when they are being driven by the sheet separation rollers.

Abstract: Polyurethane foams which may be rendered flame resistant by the addition of flame retardants are produced by reaction between a carbohydrate, a polyisocyanate and water in the presence of a suitable surfactant and polyurethane forming catalyst.

Abstract: A magnetic recording medium comprises a substrate and a magnetic recording layer formed thereon and which is made of a magnetic coating material consisting essentially of a magnetic powder dispersed in a binder, the coating material containing a titanium coupling agent. The magnetic powder is coated with the coupling agent or is mixed with the agent and then dispersed in the binder. The binder is prepared by mixing and plasticizing a radiation-sensitive modified resin with a radiation-sensitive soft resin and subjecting the mixture to radiation cross-linking and polymerization. Process for producing the medium comprises coating the magnetic particles with the titanium coupling agent, blending the coated particles with the binder to form a magnetic coating material, and then applying the material to the substrate.

Abstract: Using a catalyst comprising (1) a solid substance which contains magnesium and titanium, (2) an organometallic compound and (3) an electron donor, there are polymerized ethylene, propylene and 1-butene to obtain a soft or semi-hard terpolymer of low crystallinity containing 75.2 to 91.5 mol % propylene, 7.5 to 14.9 mol % ethylene and 1.0 to 9.9 mol % 1-butene.

Abstract: A magnetic recording medium comprised of a nonmagnetic base and a magnetic coating layer thereon, said magnetic coating layer comprises ferromagnetic particles dispersed in a binder vehicle, characterized in that said magnetic coating layer contains a glyceride and a sorbitan ester of fatty acid.

Abstract: In a focusing position detection apparatus for detecting a focusing position by causing rays of light coming from a peripheral portion of an exit pupil of a photographing lens to enter a pair of self-scanning type photoelectric element arrays through a lenticular lens group and then detecting the difference of the phases of the output signals from the photoelectric element arrays, in order to cause the rays of light to enter accurately the pair of self-scanning type photoelectric element arrays, a pitch Po between photoelectric elements which constitute the pair of photoelectric element arrays is suitably changed relative to a pitch P between small lens element which constitute the lenticular lens group, and furthermore, in order to detect the focusing position accurately, the boundary areas in the convex surfaces of the small lens elements of the lenticular lens group are made opaque so that noises in the output signals of the photoelectric element arrays are reduced.

Abstract: A magnetic recording medium, consisting of a base coated with a magnetic coating material, uses as a binder a synthetic resin having a metal sulfonate group and a vinyl chloride-vinyl acetate copolymer containing not less than 8% vinyl alcohol, in which magnetic particles are dispersed. The binder may contain an isocyanate compound as a crosslinking agent for added particle durability.

Abstract: This invention provides a process for preparing polyolefins using a new catalyst. According to this invention, .alpha.-olefins can be polymerized or copolymerized to have good stereoregularity and at a high activity by the use of such new catalyst. The new catalyst used in this invention consists of [A] a solid component obtained by contacting (1) a magnesium oxide, (2) an aluminum trihalide, (3) a hydroxy compound represented by the general formula ROH wherein R is an organic radical having 1 to 20 carbon atoms and (4) a titanium halide and/or an addition product of a titanium halide and an aromatic carboxylic acid ester, and [B] an organometallic compound and/or an addition product of an organometallic compound and an aromatic carboxylic acid ester; or it consists of the solid component of the above [A], the organometallic compound and/or the addition product of an organometallic compound and an aromatic carboxylic acid ester of the above [B], and [C] an aromatic carboxylic acid ester.

Abstract: A magnetic recording medium, having formed on the surface of a non-magnetic substrate, a layer of the dispersion in a binder vehicle of magnetic particles having the surface thereof coated with a polyaminoamide phosphate.