The invention provides a method of mechanical alloying a titanium-base metal powder. Titanium-base metal powder is provided in a mechanical alloying apparatus. The mechanical alloying apparatus has a controlled atmosphere to prevent excessive oxidation of the titanium-base metal powder. An effective amount of tin process control agent is added to the mechanical alloying apparatus. The mechanical a...

A tampon for hygienic use comprising a generally cylindrical absorbent core having a liquid pervious cover layer on the outer surface thereof wherein the cover layer is a polymer net comprising two intersecting sets of parallel ribs and wherein each set of ribs are aligned obliquely with respect to both the main axis of the tampon and to each other. A strip of net may be bonded to one end of a str...

Energy efficient process and apparatus are disclosed for forming glass fiber packages which are free of migration. Air from around the fiber forming bushing is passed beneath the bushing whereby it is heated by bushing heat and the heated air is then drawn into a chamber through which the glass fibers pass in heat transfer contact with the heated air. This heat transfer contact causes the water or...

A fire alarm system includes a receiver (1) adapted to detect the presence of a fire on the basis of analog detection data contained in a received signal which is connected by means of a transmission line (2) to a plurality of analog type sensors (3), each of which is arranged in a respective monitoring area monitored by the receiver and is adapted to produce analog detection data representative o...

A dental laser assembly is disclosed for use in eradicating carious lesions in teeth, the treatment of sensitive teeth, as well as the removal of soft tissue. The laser assembly includes a housing having a cavity in which a pulsed laser is contained. The laser is excited so that the laser emits a laser beam along a predetermined axis that is in line with a fiber optic delivery system and at a puls...

The purpose of the invention is to detect impurities in a semiconductor wafer (20). A laser (21) forms a light beam having a high proportion of its power at an optical frequency capable of being absorbed by the impurity to be measured. The beam is split into first (25) and second (26) light components, one of which is directed at the surface of the semiconductor wafer (20) to be tested and the oth...

A self-supporting polyester film comprises a molecularly oriented blend comprising a major amount of at least one linear polyester and a minor amount of at least one aromatic copolyesterether. The film exhibits improved flex-crack properties and low haze.

Prodn. of cellular polyurethane and/or polyurea mouldings comprises air-injection moulding a reactive mixt. of a liq. polyisocyanate component with one or more polyols and/or polyamines in the presence of the usual additives and also one or more surfactant organopolysiloxanes of formula R-SiMe2-O-(SiRR'-O)n-SiMe2-R (I). Typical additives are chain lengtheners, crosslinking agents and/or water; and...

PCT No. PCT/EP92/00655 Sec. 371 Date Nov. 24, 1992 Sec. 102(e) Date Nov. 24, 1992 PCT Filed Mar. 25, 1992 PCT Pub. No. WO92/17249 PCT Pub. Date Oct. 15, 1992.A front jaw having a device for indicating predetermined release values, which front jaw has a housing and a sleeve which is longitudinally adjustable with respect to the housing against the force of a release spring supported on the housing....

The invention describes a novel polyester raw material and also the production and use of an oriented film of one or more layers having a total thickness of [sec] where a = 0 to 10,000 [sec/ mu m], b = -3.0 to 0 and d = total film thickness

Water-atomized iron powder for powder metallurgy having a hardness of particle cross section of from about Hv 80 or higher to about 250 or lower, the iron powder having been atomized with water and dried, and having a particle surface covered with oxides which are reducible in a sintering atmosphere, and which has an oxygen content of 1.0 wt% or less. The water-atomized ion powder can be made by a...

A thermal lamination polyester film with a melting point of 150-250 C, a diethylene glycol content of 0.01-1 wt.% and an intrinsic viscosity [ eta ] of 0.7 or above, which has moldability and impact resistance heretofore unattainable and is excellent in adhesion and flavor retention, thus being suitable as a wrapping material and a container liner.

A sealing material is prepared by furnishing a liquid composition comprising a polydiene or polyolefin polyol, a polyisocyanate compound, a foam stabilizer, and a blowing agent, uniformly dispersing an inert gas in the liquid composition by mechanical agitation to form a bubbled composition, shaping the bubbled composition into a sheet shape, and heat curing the bubbled shape at a temperature belo...

Die vorliegende Erfindung betrifft ein Informationsübertragungsverfahren für einen einem elektrischen Gerät (1) zugeordneten Bus (6), der eine Haupteinheit (2) mit mindestens einer Nebeneinheit (3 bis 5) verbindet. Erfindungsgemäß kann die Übertragungssicherheit von Informationen über den Bus (6) erhöht werden, wenn Informationsübertragungen auf Fehler überprüft werden, bei Feststellen einer fehle...

Load torque is smoothly decreased at the time of transmission put into reverse and thereafter to improve durability of frictional engagement device. Specifically, when the shift lever is put into reverse (step 301), torque is decreased (step 303), and a hydraulic pressure is applied to clutches CO and B4 of a main transmission portion to (step 305) until the car is ready for reversing (steps 307 t...

A form and fill machine for resealable plastics bags having reclosable fastening strip adjacent the mouth thereof, the machine comprising a filling tube (60) around which the bags are formed on a continuous tube from sheet material upon which the fastening strip is attached, means (66, 68) for advancing the continuous tube over the filling tube in bag-width steps, sealing means (76) for forming si...

Nuclear logging apparatus includes a lithium detector (14, 16) for detecting neutrons emitted from a borehole formation. Data processing means are provided for analyzing the pulse amplitude spectrum developed by the detector, to thereby derive and strip a gamma-ray background from the detector spectrum.

The invention relates to a permanent hydrophilic modification for fluoropolymers. The film comprises a charged polyelectrolyte complex which has been reoriented or newly oriented. The invention also relates to a process for the production of this modification.

A minute composite fluororesin particle having a multilayered or inclined structure and a mean particle diameter of 0.05-1.0 mu m and composed of a core and a shell, wherein the core comprises a perfluororesin which is prepared by emulsion polymerization, has a monomer composition substantially composed of 85-100 wt.% of tetrafluoroethylene and 0-15 wt.% of a fluoroolefin copolymerizable therewit...

A method of producing a polysaccharide foam is provided. The method comprises mechanically foaming an aqueous solution of a soluble polysaccharide and thereafter reacting the foam to produce stable foam. Typically, the soluble polysaccharide is an alginate, hyaluronate, carrageenans, chitosan or starch.