Abstract: Lactoferrin hydrolyzates, having a decomposition rate between 6%-20% as measured by formol titration, for use as an antibacterial agent and which have remarkly more potent activity than unhydrolyzed lactoferrin; and lactoferrin hydrolyzates, having a decomposition rate between 4-50% as measured by formol titration, for use as a tyrosinase inhibition agent, are obtainable by conventional methods for hydrolysis with acids or enzymes, and are stable to heating.

Abstract: A friction-type stepless speed change device includes a frictional transmission elements composed of a pair of driving discs connected to an input shaft, and an annular driven disc connected to an output shaft and embraced between and urged against opposite conical surfaces of the driving discs into wedge-engagement to generate frictional force and allow power transmission from the driving discs to the driven disc. The driving discs are at a variable eccentricity relative to the driven disc, with which an effective pitch diameter of the driving discs is varied to effect a stepless speed change. For reducing the size of the frictional transmission elements while preserving a required torque capacity, the device further comprises a driving rotary unit for transmitting power from the input shaft to the driving discs at an increased rotational speed, and a driven rotary unit for transmitting power from the driven disc to the output shaft at a reduced rotational speed.

Abstract: A wheel rim for a two-wheeled vehicle has a spray coated metallic and/or ceramic layer covering at least a part of a rim surface with which a brake shoe is brought into contact when a brake is applied.

Abstract: A friction stepless speed change device includes an input shaft, a driven shaft and an output shaft arranged on a common axis, and a countershaft rotatably provided in parallel with the common axis. The device further includes tow rockable arms rockable about the countershaft, a cylindrical driving rotary assembly rotatably provided on free ends of the rockable arms to enclose the driven shaft, a set of driving friction discs rotating together with the driving rotary assembly, and a set of driven friction discs rotating together with the driven shaft. The countershaft includes a first gear in mesh with a gear fixed to the input shaft, a second gear in mesh with a gear fixed to the driving rotary assembly, and a third gear in mesh with a sun gear of a planetary gear provided on the driven shaft. The output shaft is integrally formed with an internal gear in mesh with planet gears of the planetary gear.

Abstract: A friction stepless speed change device includes an input shaft, an output shaft, a countershaft provided in parallel with the input and output shafts on one side thereof, two rocking arms rockable about the countershaft, a cylindrical driven rotary assembly rotatably supported on free ends of the rocking arms to enclose the input shaft, a set of driving friction discs rotating together with the input shaft, and a set of driven friction discs rotating together with the driven rotary assembly. The sets of the driving and driven friction discs are wedge-engaged with each other. A gear fixed to the driven rotary assembly is in mesh with one gear of an intermediate gear assembly, and a gear arranged on a planet carrier is in mesh with the other gear of the intermediate gear assembly. Planet gears journaled on the planet carrier are in mesh with an internal gear integrally fixed to the input shaft, and a sun gear integrally formed on the output shaft is in mesh with the planat gears.

Abstract: The invention relates to a stepless speed change device which comprises: an input shaft and an output shaft concentric to each other, a disc progressively thinner toward its outer periphery and fixed to the input shaft, a hollow cylinder fixed to the output shaft for enclosing the disc, a ring progressively thinner toward its inner periphery opposite to that of the disc and fixed to an inner circumference of the hollow cylinder in the same plane as that of the disc, and an intermediate transmitting device having two discs for embracing the ring and the disc on both sides thereof and being movable from a concentric position with the input and output shafts to eccentric positions with desired eccentricities therefrom in a stepless manner. With the above arrangement, the input shaft may be used as an output shaft, and the output shaft may be used as an input shaft.

Abstract: A stepless speed change device has an input shaft and an output shaft. The device inlcudes a planetary carrier proviced at an inner end of the input shaft, a sun gear provided at an inner end of the output shaft to be in mesh with planet gears carried on the planetary carrier, and an internal gear in mesh with the planet gears to form a planetary gear. The device further includes a driven rotor rotatable about the input shaft and in the form of a hollow cylinder having flanges at both ends and concentrically connected to the internal gear, a driving rotor enclosing the driven rotor and including two members connected to the input shaft on both sides of the driven rotor, and an intermediate friction transmission ring whose eccentricity is adjustable and interposed between the flanges of the driven rotor and between the two members of the driving rotor for transmitting rotating power therebetween.

Abstract: A process for producing bovine lactoferrin in high purity form raw milk-materials containing skim milk or whey originated form cow's milk which comprises: adsoption step wherein said raw materials are contacted, at a temperature between 0.degree.-60.degree. C., with weakly acidic cation-exchanger which includes carboxymethyl groups as ion exchanging groups and has haemoglobin adsorption property more than 3.5 g/100 ml; rinsing step wherein said exchanger is washed with water to remove substances other than those adsorbed to said exchanger; and desorption step wherein the substances adsorbed to said exchanger are desorbed therefrom with a solution of one or more of salts to thereby yield highly purified bovine lactoferrin without deterirating raw milk materials. Said desorption step can be carried out in a single stage to produce lactoferrin more than 80% purity to total proteins recovered, and in two stage to attain more than 98% purity.

Abstract: This invention provides a lead alloy foil comprising 0 to 4 wt % of tin, 0.5 to 7.0 wt % of antimony, and the balance being lead, wherein Sn/Sb ratio is 3 or less. It also provides a lead laminated tape for covering cables, comprising a lead alloy foil comprising 0 to 4 wt % of tin, 0.5 to 7.0 wt % of antimony, and the balance being lead, wherein Sn/Sb ratio is 3 or less, and an electrically conductive plastic film laminated at least one of the surfaces of the lead alloy foil and having a volume resistivity of 10.sup.6 .OMEGA.-cm or less.

Abstract: A band brake assembly for a bicycle includes a brake band having a brake lining and a brake drum to which the brake lining is urged by a brake operating cable in braking. According to the invention, the band brake assembly comprises a wire guide whose front half is in the form of an arc and fixed to an operative end of the brake band and whose rear half extends in a tangential direction of the brake band. An inner wire of the brake operating cable extends rearward along an outer surface of the wire guide and is fixed to a rear end of the wire guide. With this arrangement, the lining, brake band, wire guide and inner wire form a multiple or laminated connection to permit these members to shift slightly with each other when braking, thereby preventing resonance and absorbing or damping vibration caused in braking.

Abstract: A method and an apparatus for thin film formation using off-set printing techniques, wherein a film-forming material is coated uniformly on a platform, which material is then transferred onto an object on which a thin film is to be formed. Coating the material on the platform is carried out by moving on the platform a roll coater which includes a distributing roller and a coating roller and which feeds the film-forming material onto the platform and by rotating the coating roller in a direction at which slippage in engagement between the coating roller and the platform is always involved in relation with the movement of the roll coater.

Abstract: A brake for vehicles comprises a brake drum rotating with a wheel, an inner pin fixed to a vehicle body within the brake drum, an inner shoe whose end is pivotally supported by the pin, an arm formed integrally with the inner shoe and extending outwardly beyond the brake drum, an outer pin extending from the end of the arm, an outer shoe pivotally supported by the outer pin and adapted to be in contact with the outer periphery of the brake drum, and actuating means for urging the inner and outer shoes toward and away from the brake drum, whereby a braking force acting upon on one shoe helps the braking action of the other shoe to provide a sufficient braking force by a slight brake operating force.

Abstract: A method of treating wine, comprising introducing crude wine to both the dilution and concentration chambers of an electrodialysis apparatus; operating said apparatus so that the potassium concentration of the wine in the dilution chamber falls to below 500 mg/liter and the potassium content of the wine in the concentration chamber is increased into the range 1000 to 2000 mg/liters; cooling the wine from the concentration chamber to below 10.degree. C and adding tartaric acid crystals to said wine in order to adjust the pH into the range of 2.8 to 3.2 thereby precipitating tartar; separating the tartar from the wine and admixing said wine with wine emerging from the dilution chamber of the electrodialysis apparatus in a ratio such that the potassium content of the resulting mixture is below 500 mg/liter.

Abstract: A casein powder, which has excellent solubility and is capable of forming a casein micelle having similar turbidity and heat stability as the casein micelle of cow's milk, when it is dissolved in water to reconstitute cow's milk, skim milk or other dairy products, can be obtained by dissolving an organic acid salt and/or polyphosphate, in an amount as represented by the formula:log y = 0.0384x + (0.70 .+-. 0.25)whereby y is mg of organic acid salt and/or polyphosphate per gram of casein protein, and x is mg of calcium ion per gram of casein protein, in a casein solution, obtained by dissolving an acid casein in an alkali. The casein solution is then mixed with a calcium salt solution in an amount such that the quantity of calcium ion present is 20 to 40 mg per gram of casein protein at a temperature of below 50.degree. C. The pH of the resulting mixed solution is adjusted to 6.5 to 7.1, an emulsifier is added thereto, and the solution is gradually heated to a temperature of at least 65.degree.