Certain relief parts (11, 13) of a tread (1) for a radial tyre, are provided at least with incisions (41, 42, 43) having, in cross-section, outlines in the form of forks, and at least two prongs (41B, 41C) extending from a single portion (41A), the number of incisions (41) on the relief part (12, 13) being multiplied by a factor of at least 1.5 from the depth (h1) of the two-pronged incision (41)....

PURPOSE:To improve running performance by locating first and second fluid resistance members in first and second oil circulating passages and third and fourth fluid resistance members in first and second oil communicating passages, and setting torque transmission characteristics respectively preferable to a normal running period and a differentiate period independently from each other. CONSTITUTIO...

PURPOSE: To minimize edge contact and/or interference causing noises by plunge- cutting a rotating hob to the longitudinal axis of a blank in a point a little biased from the longitudinal middle point thereof from one side of a rotating worm wheel blank. CONSTITUTION: Raw material 50 of a combination gear having a double enveloping wormwheel portion 52 and a spur gear portion 54 is rotatably insta...

PURPOSE:To improve energy efficiency by disposing an optical screen member and a reflecting member to face each other in a high-temp. atmosphere and taking the light of a specific wavelength region out of the reflecting plate. CONSTITUTION:The solar light QA introduced from an incident window part 12 into a heat insulating box 11 is subjected to the cutting of specified wavelength light by the opt...

A rotary drill bit is manufactured by forming a main bit body part (16) from a machinable metal, such as steel, machining sockets in the outer surface of the main bit, inserting in each socket a thermally stable cutting structure or former (18) which substantially fills at least the mouth of the socket and projects beyond the outer surface of the main bit body part, applying to the surface of the ...

A central differential for a four-wheel drive motor vehicle is provided on a pair of axles for right and left drive wheels. The differential has a tubular member secured to a final gear of a transmission, a pair of carriers one of which is connected to the drive wheels and the other carrier is operatively connected to the other drive wheels. A pair of annular side gears are securely provided on th...

PCT No. PCT/SE90/00104 Sec. 371 Date Aug. 20, 1991 Sec. 102(e) Date Aug. 20, 1991 PCT Filed Feb. 15, 1990 PCT Pub. No. WO90/09147 PCT Pub. Date Aug. 23, 1990.In connection with X-ray or like examination there is used a cassette holder arrangement which is carried by a frame structure (7) by means of pivotal arms (4) which are capable of being swung in the horizontal plane, such as to adjust the po...

A pile board inserting machine comprises two pile board inserting units installed in combination respectively with the two sheet piling units of a sheet-fed printing press. Printed sheets are delivered alternately to the two pile board inserting units every time a predetermined number of printed sheets are delivered to each sheet piling unit, and the pile board inserting unit associated with the i...

Gegenstand der Erfindung ist ein Bleiakkumulator mit einem mehrere Zellen aufnehmenden Gehäuse (1) sowie mit einem das Gehäuse (1) abschließenden Deckel (3), in dem zwischen einem Unterdeckel (3') und einem dazu im Abstand angeordneten Oberdeckel (3'') ein Hohlraum (10) zur Säureabscheidung ausgebildet ist. Der Deckel (3) ist mit einer einen Zündschutz (15) aufweisenden Entgasungsöffnung (14) vers...

A method and apparatus for the gaseous reduction of particulate iron ores, wherein the ore or is fed to a vertical moving bed direct reduction reactor, reduced therein, and discharged as hot sponge iron. The ore is charged to the top portion of the reduction zone of the furnace wherein the bed of particles which descend by gravity is reduced by a hot reducing gas largely composed by carbon monoxid...

The utility model relates to a lead-acid accumulator. The polar plates of the utility model is composed of the existing accumulator plates that are sheathed with plate sacks, the bottom inside of an outer housing is plane, and the plate group is arranged on the bottom surface of the outer housing. The sack type plate lead-acid accumulator eliminates the non-uniform corrosion to slab lattices, incr...

PURPOSE:To manufacture an EL luminous body having excellence in its manufacturing efficiency and also in the controllability of the arranged position of each of lead electrodes by forming the lead electrodes for both a back electrode and a transparent electrode respectively on the obverse and reverse of a substrate on the side of the back electrode. CONSTITUTION:An EL luminous body is manufactured...

PURPOSE:To eliminate inclination of a main scanning line in a visual observation by linearly arranging a dividing main scanning line of main scanning line forming means in a direction perpendicular to a sub scanning line by altering an output timing to an image support, and outputting dividing pixel data for forming one line at the linearly arranged dividing main scanning lines to form an image on...

PURPOSE:To obtain a thin organic electroluminescent element readily by spin coating or casting, by employing as a charge transfer material a specific conductive polymer in which aromatic rings and bonding groups are alternately combined. CONSTITUTION:In an organic electroluminescent element in which a luminescent layer and a charge transfer layer are provided between a pair of electrodes, at least...

PURPOSE:To produce the title catalyst which has a high desulfurization activity and gives a product oil of which heavy fraction has preferable properties by supporting a specific active metal together with phosphorus and boron compounds on an alumina carrier so that the volume of pores having a specific average pore diameter may amount to a specific ratio. CONSTITUTION:The title catalyst is produc...

A cap (10) for dispensing liquids from a container (1) comprising a base portion; means to attach the base (14) portion to a container (1); and an off-center dispenser tip (12) projecting from the base (14) portion and having a passageway (20) extending between an orifice (22) at the distal end of the dispenser tip (12) and the interior underside of the cap (10), the axis of said passageway (20) f...

An image processing apparatus for displaying an accumulated image of very faint light emitted from an object superimposed on an image of the object's configuration. Configuration image data representing an external form of an object is stored in advance in a configuration image memory (20). A two-dimensional image of faint light emitted from the object (10) is detected by a high-sensitivity image ...

A silicon crystal evaluation method includes the step of measuring, at room temperature, an intensity of an oxygen impurity infrared absorption peak of each of a plurality of silicon crystals at a wavenumber of 1107+/-3cm<-><1>. Each of the silicon crystals contains oxygen impurities, the silicon crystals including an evaluated silicon crystal having an unknown thermal history and reference silico...

A polyester composition is disclosed, which is characterized in that it contains, besides polyester, vaterite-type calcium carbonate obtainable through carbonation reaction of a calcium compound in a mixed medium of alcohol and water. The polyester composition is superior in compatibility between the polyester and the vaterite-type calcium carbonate.

A set of red light sources (111-113) are provided above a printed board (20). One (111) of the light sources is located in the angular aperture of an imaging lens system (140). The red light is applied to the printed board and reflected on a wiring pattern (22) provided thereon. Another light source (120) is provided under the printed board, and emits infrared light to the back surface of the prin...