Abstract:
A surface flaw detector includes a light source capable of generating a laser beam, a material conveyance means provided for conveying a material to be examined in the direction transverse to the axis of the material and designed to let the material rotate on its axis at a fixed position or along the direction of conveyance, means for scanning the laser beam on the surface and in the axial direction of the material which is rotating on its own axis, optical means adapted to transmit the light reflected from the surface of the material to form a stationary optic image of the scanning means, light receiving means provided at the image forming position, and processing means adapted to discriminate the flaw signal upon receiving the output from the light receiving means.
Abstract:
An instrument panel comprises an elongated sheet member formed through the longitudinal length thereof with a plurality of depressions. The depressions provide for a weakening of resistance to deformation of the sheet member so that if the sheet member is struck by the passenger's head in a collision, it is permanently and plastically deformed and thus saves the passenger from injury.
Abstract:
The present invention is an electrodeposited film substantially containing no lead, characterized by applying an alloy layer or a simple metal layer with an Hv value of not less than 60 to an under layer, and an alloy layer or a simple metal layer with an Hv value of not more than 40 to an upper layer. This electrodeposited film is harmless to the human body and the environment, and superior in sliding properties.
Abstract:
The present invention provides a fine-particle counter with which the number density of nanometer-sized fine particles born in a gas phase, which is extremely low, can be accurately measured under wide-ranging pressure conditions from pressurized conditions to low-pressure conditions.After contact-mixing, in a mixer 3, saturated vapor of a high-boiling-point solvent produced in a saturator 2, a component of a condensed nucleus detector 1, with nanometer-sized fine gas-born particles, condensed droplets of the saturated vapor whose nuclii are the fine particles are produced in a condenser 4 by heterogeneous nucleation. The number of the condensed droplets per unit of time is then counted with an optical detector 5 and is output as a pulse signal, and a computer 19 computes the number density of the nanometer-sized fine particles born in the aerosol from this pulse signal, the gas flow rates controlled by the flow meters 6, 12 and 10, and the other data that are transmitted to the computer 19 via an interface 18. The internal space of the mixer 3 has a narrowest passage having a circular cross section, situated in the center between the lower end of the mixer from which the carrier gas enters and the upper end of the mixer from which the carrier gas exits, a truncated-cone-shaped part whose cross section is circular and whose diameter gradually decreases so that the diameter on the lower end side is greater than the diameter on the narrowest passage side, and a reverse-truncated-cone-shaped part whose cross section is circular and whose diameter gradually increases so that the diameter on the narrowest passage side is smaller than the diameter on the upper end side. An aerosol inlet communicating with the aerosol inlet tube 8 is positioned at the narrowest passage.
Abstract:
A fullerene epoxide denoted as C60O3, characterized by the presence of two epoxide groups in a single six-membered ring, and by the presence of one epoxide group in a six-membered ring adjacent to the six-membered ring in which said two epoxide groups are present or by the presence of one epoxide group in a six-membered ring one six-membered ring removed from the six-membered ring in which said two epoxide groups are present. The fullerene epoxide has three epoxide groups and has C1, C2, or Cs symmetry. A method of manufacturing fullerene epoxide comprising: separating a fraction containing only fullerene triepoxides-from a mixture of fullerene epoxides using silica gel, and separating the fraction containing only fullerene triepoxides thus obtained using a substance having p-p interaction to obtain fullerene epoxide according to any of claims 1 to 6. A method of separating fullerene epoxide characterized in that a fullerene epoxide mixture is separated using a substance having p-p interaction.
Abstract:
A liquid-suspended particle analyzer includes: a fine liquid droplet producing device for atomizing a liquid pumped from a sample container by a fixed-displacement pump to produce fine liquid droplets suspended in a carrier gas; an evaporator for evaporating the liquid parts of the fine liquid droplets to produce an aerosol of the carrier gas and particles suspended in the carrier gas; a differential mobility classifier for classifying the particles of the aerosol by particle size according to mobility; and a Faraday cup electrometer for counting the respective numbers of the particles of the particle groups classified by particle size by the differential mobility classifier so as to determine the respective particle concentrations of the groups. The fine liquid droplets producing device includes an electrospraying device adapted to convert the liquid supplied by the liquid supply device into charged fine liquid droplets; and an atomizer adapted to suspend the charged fine liquid droplets produced by the electrospraying device in the carrier gas.
Abstract:
A method of fixing the end portion of a line such as for example, a wire or the like, to a reel by plastically bending the end portion of the line into the form of a U-shaped recession extending transversely to the longitudinal direction of the line, wire or the like and depositing the deformed end portion into a slot provided within the reel.
Abstract:
A method of fixing the starting end portion of a line, such as for example, a wire or the like, to a reel, such as for example, a bobbin, upon which the line is to be wound, characterized in that at least two bends are provided within the starting end portion of the line or the like, such that, assuming that the inflection disposed most remote from the tip of the starting end portion of the line to be the first inflection, at least a part of the line portion interposed between the tip of the starting end portion of the line and the first inflection will be disposed forwardly of the first inflection and oriented in the winding direction when the starting end portion of the line is inserted and fixed within a slot provided within the flange or drum portion of the reel.
Abstract:
The present invention is an electrodeposited film substantially containing no lead, characterized by applying an alloy layer or a simple metal layer with an Hv value of not less than 60 to an under layer, and an alloy layer or a simple metal layer with an Hv value of not more than 40 to an upper layer. This electrodeposited film is harmless to the human body and the environment, and superior in sliding properties.