A package holder (1), for instance in an installation for the production of a warp, according to which a package (3) with yarn (4) wound thereon is pushed axially onto the holder (1), where it is retained while the yarn (4) is being unwound from the package. The holder (1) consists of a base member (7) having a spring-biased flap (9) which is pivoted outwards by the spring to a position wherein it...

A package holder (1), for instance in an installation for the production of a warp, according to which a package (3) with yarn (4) wound thereon is pushed axially onto the holder (1), where it is retained while the yarn (4) is being unwound from the package. The holder (1) consists of a base member (7) having a spring-biased flap (9) which is pivoted outwards by the spring to a position wherein it...

In a device for feeding card slivers to a processing machine, which comprises at least one sliver guide (1), said guide (1) has a guiding surface (20) over which the card sliver is passed. The guiding surface (20) is constructed as a monitoring device. A guide (1) of this type is produced by a method in which the housing (2) of the guide (1) is clamped upside down by its guide surface (20) to...

Compositions of 141b which are stabilized with alpha-methylstyrene or nitromethane.

To replace chlorofluorocarbons as refrigerant fluids, the invention proposes to employ mixtures containing, on a mass basis, approximately 25 to 65 % of 1,1,1-trifluoroethane, 1 to 70% of perfluoropropane, and 5 to 34 % of propane. The mixtures according to the invention can also be employed as aerosol propellants or as blowing agents for plastic foams.

Pour remplacer les chlorofluorocarbures comme fluides frigorigènes, l'invention propose d'utiliser des mélanges contenant en masse environ 25 à 65% de 1,1,1trifluoroéthane, 1 à 70% de perfluoropropane, et 5 à 34% de propane. Les mélanges selon l'invention peuvent également être utilisés comme propulseurs d'aérosols ou comme agents d'expansion des mousses plastiques.; To replace chlorofluorocarbons...

A semiconductor device comprising a chip having a plurality of electrodes, a lead frame including a plurality of leads, a tape carrier having an insulative base film and a plurality of conductive patterns formed on the base film, one of the conductive patterns being used as a ground line. The electrodes of the chip are electrically connected to the respective leads of the lead frame via the respec...

A system is provided to treat wastewater from a metal-working facility, such as an automotive manufacturing plant in a bioreactor using live microorganisms. Such wastewater contains waste fluids which are a mixture of relatively easily biodegradable fats and oils, much less easily biodegradable synthetic fluids, oils and greases, and nonbiodegradable material including inorganic finely divided sol...

A semiconductor device (100) for detecting or emitting a magnetic line of force or light is so provided that the major surface (11) of its built-in semiconductor chip (10) has a predetermined inclination angle (8) relative to a mount surface (91) of a mount substrate (90). An active layer of element (16) for detecting a magnetic line of force or light or an element (24) for emitting a magnetic lin...

A lead frame having a plurality of inner leads and outer leads, said outer leads being subjected to surface treatment for improving solder wettability at an end portion and to sruface treatment for suppressing solder wettability at least at a portion neighboring to the end portion, or said outer leads being bent 4 times or more, is effective for improving thermal fatigue life and reliability when ...

PURPOSE:To realize a lead frame having no risk of migration, etc., by a method wherein the side end surface of circuit patterns of a portion which need be plated is formed at the least, a predetermined partial plating is performed on a require place, then circuit patterns of the remaining unworked part are formed. CONSTITUTION:Circuit patterns of a place, containing inner leads 10 at the least, wi...

An electrosurgical device for laparoscopic use in tissue dissection and coagulation. The device includes a barrel member having a dissection tip at the distal end thereof that is connected to a source of electrical energy. An insulating sheath member surrounds the barrel member. The sheath member is movable between a first position wherein the distal end thereof extends distally beyond the dissect...

An electrosurgical device for laparoscopic use in tissue dissection and coagulation. The device includes a barrel member having a dissection tip at the distal end thereof that is connected to a source of electrical energy. An insulating sheath member surrounds the barrel member. The sheath member is movable between a first position wherein the distal end thereof extends distally beyond the dissect...

The invention concerns a process for the preparation of nucleoside derivatives espcecially of AZT. As the starting material a 2,3'-anhydroderivative of the said nucleoside is used, which in its 5'-position carries a largish protecting group, which is stable under weakly alkaline, but which is split off in strongly alkaline conditions, especially pivaloyl, or adamantoyl. This compound is reacted wi...

A device for use in placing surface mount components upon PCBs having article gripping elements carried by a support. The article gripping elements are movable between an upper position and a lower position for engaging and gripping surface mount components. The article gripping elements are dependent from a vertical flexible shaft so that the elements may become inclined upon contacting with a su...

A device for use in placing surface mount components upon PCBs having article gripping elements carried by a support. The article gripping elements are movable between an upper position and a lower position for engaging and gripping the surface mount component. In the lower position, the article gripping elements are freely orientable relative to a vertical axis and the elements and support coact ...

60SD00518 THERMALLY STABLE DENSE ELECTRICALLY CONDUCTIVE DIAMOND COMPACTS Broadly, the present invention is directed to a method for making a thermally stable, dense, electrically conductive diamond compact. The method comprises infiltrating a mass of diamond crystals with a silicon infiltrant in the presence of boron under conditions comprising a temperature of not substantially above 1200.degree...

A semiconductor device includes at least one semiconductor chip (13), an insulating substrate (12) having a predetermined wiring pattern (15) thereon and a conductive island (10) which supports the insulating substrate and the semiconductor chip. The periphery of the insulating substrate is adhered to the conductive island by an insulating adhesive (14). The semiconductor chip is positioned in a h...

2096244 9307671 PCTABS00021 The laminations (40, 50) respectively comprising the rotor and stator poles (116a, 116b, 118a, 118b, 120a, 120b, 124a, 124b) of a switched reluctance machine (SRM) (114) are skewed as they are stacked during machine assembly in order to reduce the tendency of the SRM (114) to flatten and thereby assume an oval shape during machine operation. As a result, the acoustic no...

A controlling apparatus which can control a continuous electrolytic ion water producing apparatus so that determination and indication of energization and an electrolyzing capacity of an electrolytic cell and determination and indication of a life of a filter cartridge are performed appropriately. A control unit connected to a power source circuit of the electrolytic cell includes electrolysis jud...