Disclosed is a method of making drills, endmills and other rotating-and-cutting tools comprising the steps of: extruding super-hard metal powder into a spiral rod; sintering the spiral rod; forming a-ferrous metal powder layer around the rear end of the spiral rod sinter; and heating and then cooling the ferrous metal powder layer in such a way that voids may be caused to appear in the ferrous met...

PCT No. PCT/EP89/00696 Sec. 371 Date Oct. 31, 1990 Sec. 102(e) Date Oct. 31, 1990 PCT Filed Jun. 22, 1989 PCT Pub. No. WO89/12898 PCT Pub. Date Dec. 28, 1989.A slit radiography device scans a body under examination with a fan-shaped x-ray beam. A number of absorption elements placed next to each other can be moved into the x-ray beam to a greater or lesser extent in order to influence the x-ray ra...

A heat insulating material and a structure made therefrom, wherein the insulating material is adapted for use in the wet process in addition to the dry process in the form of a molded plate, has a heat insulation performance similar to that of an organic heat insulating material and a flame retardation performance equal to that of a conventional inorganic heat insulating material, and further has ...

A heat insulating material and a structure made therefrom, wherein the insulating material is adapted for use in the wet process in addition to the dry process in the form of a molded plate, has a heat insulation performance similar to that of an organic heat insulating material and a flame retardation performance equal to that of a conventional inorganic heat insulating material, and further has ...

A method of determining the health condition of a living creature comprises the steps of detecting a selected physiological characteristic, e.g. the conductivity of the skin, of the living creature at a statistically significant plurality of measuring points distributed over a defined body portion of the living creature, determining, e.g. by means of a computer, the statistical distribution of the...

??143C 27 N-Acetylneuraminic and derivatives of formula (I) (I) pharmaceutical formulations thereof, their use in medicine, in particular as antiviral agents and methods for their preparation are described.

A method and apparatus for molding articles such as ophthalmic devices to provide high surface smoothness without the formation of flock anywhere on the molded articles. A predetermined quantity of moldable material is arranged between spaced apart molding surfaces between which as an outer boundary a meniscus is formed. The configuration of the meniscus is controlled as by moving the molding surf...

The projector comprises a condensor system (E) and a first polarised splitter (F-1) along a common axis (X), a second polarised splitter (F-2), a field lens (I) and projection lens (k) arranged along an axis (Y) perpendicular to the X axis, two LCD panels (H-1,H-2), at the rear and left side of second polarised splitter (F-2), a first mirror (G1) at the rear of first LCD panel (H-...

An actuating fitment for a spray container containing a product which is capable of flow and which is exposed to a gas pressure and, in a delivery duct, a delivery valve which can be actuated by the actuating fitment, so that when the delivery valve is open the product flows out through the delivery duct, has an axial bore (2) which can be coupled to the delivery duct, a transverse bore (3) leadin...

A device for aerobic purification of industrial and/or household waste water, which device comprises a trough-like container for receiving the water for treating, at least two rotatably mounted contactors introduced into the container and having filler elements such as rings arranged loosely therein, feed means for feeding the contaminated water in doses into the container and a sludge collection ...

2096973 9307917 PCTABS00021 A dual-lumen oocyte collection device is described. The device is unique in that it includes parallel cannulas which extend axially outward from a proximal end of a hub. The device is also unique in that it further includes a finger depression on the hub. This depression located on the hub directly corresponds to an elongated beveled point of a cannula that extends from...

A refractory coating material comprising cement as the matrix, which is significantly improved in fire resistance or both of fire resistance and durability. The first invention relates to a mixture of 100 parts by weight of cement with 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum, and 5 to 35 parts by weight of aluminosilicate gel, while the second invention relates to a mixt...

A refractory coating material comprising cement as the matrix, which is significantly improved in fire resistance or both of fire resistance and durability. The first invention relates to a mixture of 100 parts by weight of cement with 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum, and 5 to 35 parts by weight of aluminosilicate gel, while the second invention relates to a mixt...

A self-plugging blind fastener (10) of the type having a tubular headed, body (12), and a stem (14) which is pulled and locked relative to the body to set the fastener, has improved locking means provided in the form of a deformable annular locking collar (13) which is disposed on the stem (14), a locking groove (92) on the plug part (32) of the stem, and an annular recess (28) at the head end (18...

The prodn. in a centrifugal process comprises feeding the resin materials, glass fibres and sand w.r.t. a pref. programme (w.r.t. the pref. construction of tube) into a rotating mould from a carriage which is moved in the longitudinal direction of the tube. The sand is fed continuously from a fixed silo into an intermediate container in the carriage and taken from there into the mould in line with...

An electronic target game adapted for use with a display device which is disposed within the viewing region of the game. The preferred embodiment is a dart game employing "safe" darts and a dart board which is divided into a plurality of target sections and an associated pressure sensitive switch matrix. A microprocessor executes instructions stored in an EPROM memory unit which is easily removed ...

The thermal recording device uses wedge wire bonding method for electrical connecting between a driving unit and a printer unit and includes a number of power source connecting output pads on a single IC. The thermal recording device comprises a substrate (52) having a heating resistor and a wiring pattern, a driving integrated circuit (58) formed on the substrate (52) to drive the hea...

A semiconductor device comprises: a semiconductor substrate, a semiconductor pillar 25 projecting from the semiconductor substrate, an insulating layer 27 formed on the circumferential surface of the semiconductor pillar 25, a conductive side wall 28 formed on the circumferential surface of the semiconductor pillar 25 over the insulating layer 27, an insulating layer 29,31 obtained by insulating a...

The circuit turns off the power of the portable telephone automatically when the telecommunication is not performed to save the power. The circuit comprises a ring signal detector (1) detecting the call signal provided by the telephone exchanger, a first flip-flop applied by the main power (Vcc), a talk tap (4) switching on manually by the user when the user wants to com...

La charge de GNL (1) est réfrigérée par détente primaire dans une turbine (21), échange indirect de chaleur (2) et détente secondaire statique (3). La charge réfrigérée (4) est fractionnée dans une colonne (5) de déazotation en une phase gazeuse (10) formée d'azote et de méthane, évacuée en tête de la colonne (5), et en un courant (11) de GNL déazoté, soutiré en fond de cette colonne. Une première...