A ball screw system has a screw (1, 2) and a nut (3) mounted thereon by means of balls (5). Redirecting portions (6) which delimit redirecting channels for circulating balls running in thread grooves of the screw and the nut are formed in openings extending transversely in the nut. The openings in the nut are filled with an initially liquid, solidifiable or curable material. The redirecting ball o...

The driver circuit for improving the switching speed of transistors and reducing the power consumption comprises an over-saturation protection unit (1), a control unit (3) and a switching circuit having first and second switching units (2,4). Controlled current leakage is obtained by the provisions of a switchable current path (N2,N3) and the over-saturation preention is ...

A lead frame (10) includes an outside frame portion having a central opening (14) and a rectangular mount portion (16) supported by the outside frame portion and disposed within the central opening, and on which an electronic element is adapted to be mounted. The lead frame also includes at least one lead element array (221,...224) disposed along a side of the mount portion, the lead elements incl...

Steviosides can be obtained from dried material from Stevia rebaudiana Bertoni plants by extraction and purification, where an extract is obtained by treatment in water at a temperature from room temperature to about 65 DEG C and with stirring and subsequent filtration or centrifugation and is treated with calcium hydroxide, after which a precipitate is obtained by filtration or centrifugation and...

18325 TITLE OF THE INVENTION NOVEL PROCESS FOR THE PREPARATION OF 8a-aza-8a-HOMOERYTHROMYCIN CYCLIC LACTAMS A method of synthesizing cyclic lactams of the general structural formula wherein R is hydrogen or C1-10 alkyl. These compounds are macrolides useful as antibiotics and as intermediates for the synthesis of other macrolide antibiotics.

A system and method for constructing sealed printed packages and one-piece mailers provides fixedly applying printing toner to predetermined locations upon a first part of a face of a printable sheet. The sheet is then folded so that a second part of the face overlies the first part which includes the locations having the toner thereon. The toner is then sealed so that the first and second parts a...

T 5474 FF FLUID COMPOSITION FOR COMPRESSION REFRIGERATION This invention provides fluid compositions for use in compression refrigeration comprising mixtures of (a) at least one fluorohydrocarbon and (b) at least one carboxylic ester of a polyhydroxy compound, having the general formula C(CH2.O.CO.R)n(R')4-n (I) wherein n is 3 or 4, R' represents a methyl or ethyl group and each R independently re...

A method, for screening an optical fiber (12), and an apparatus for carrying out the method, in which two sucking nozzles (31-1; 31-2) and a tape sticking device (41) are provided to automatically perform processing of the end portions of the optical fiber (12); and an automatic fiber transporting/mounting device (35) is provided to transport the succeeding portion of the optical fiber (12) to the...

The presence of decay is determined in wood by testing a sample. The wood tested may be standing timber, cut timber or when coated in building structures. The testing occurs in very short time intervals so that tests can be carried out on timber in mills and the like. The method of testing includes heating a portion of a wood sample at a temperature in the range of about 220 DEG to 350 DEG C. to...

2109502 9220349 PCTABS00017 A water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a polyanionic polysaccharide and an activating agent, under conditions sufficient to form the composition; a nucleophile may also be added. Also, a water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a po...

C-4290 G-3,576 MOLDING AND RETAINER ASSEMBLY The disclosure relates to a plastic reveal molding and retainer assembly for attachment to an apertured side body or door panel of an automotive vehicle. The retainer has a planar bottom portion which can be readily attached to the panel, a pair of deflectable end portions which are integrally connected to the bottom portion via living hinges and a defl...

PA-5818-O-DW-USA A motor mount is provided for a dishwasher for preventing transmission of vibration generated by a motor through a pump to the dishwasher tub. The motor mount is secured at its base to the pump and includes a plurality of arms extending radially from the base for mounting the motor thereto. The arms are separate along their length from the pump, and are torsionally resilient, perm...

The DRAM cell having a stacked storage capacitor is mfd. by forming a field oxide film on the fixed part of the semiconductor substrate, forming a source region and a drain region on the switching transistor region, forming a gate oxide film layer on the channel region, forming a polysilicon layer on the field oxide layer and the gate oxide layer, forming an insulating layer on the fir...

A multipipe flow-dividing dilution tunnel system divides a gas to be inspected, such as an automobile exhaust gas, at a predetermined division ratio, dilutes a divided gas with a dilution gas, and samples and tests the diluted gas for particulate materials and other constituents. The gas to be inspected is introduced into a multipipe flow divider (2) having a plurality of flow-dividing pipes (1), ...

Mon-greasy topical solutions, emulsion gels or lotions comprising as the active agent a compound of formula I and a lower alkanol, and if desired together with a solubilizing agent or an oil phase such as isopropyl myristate are useful delivery systems.

An automatic installation is for changing sliver cans incorporates a wagon which runs behind a spinning machine along a row of sliver cans and moves to and fro between a starting position and a spindle. The installation is supplied with a signal for the requirement of a full can and effects the removal of a nearly empty can and the supply of a full can. A sliver splicing robot severs the sliver ex...

56,682 Incineration of municipal solid waste (MSW) produces pollutants including hydrochloric acid, hydrofluoric acid, sulfur compounds particularly sulfur oxides, nitrogen oxides, carbon monoxide and flyash. Disposal of MSW by incineration is not acceptable unless these pollutants are eliminated or reduced to a very small fraction. There is disclosed a method of processing the products of combust...