In order to decrease the resistance to the pulling of a nonwoven web in an apparatus for needling nonwoven webs, a perforated plate is proposed, in which at least those through holes which are formed in the perforated plate at least adjacent to its upstream end have downstream edge portions which are disposed in recesses, which are formed in that surface of the plate which faces the nonwoven web a...

PURPOSE:To enable the densification of a heat generation part and to reduce possibility for generating shortcircuit between electrodes by arranging a common electrode and a selection electrode to the upper and under surfaces of a substrate, by providing a heat generation part to a support having the substrate and a support member so as to arrange the same to the end surface of the substrate. CONST...

The glass composition is particularly applicable for ferrite constituents used for a highly efficient magnetic head. The composition essentially consists of (a) 55-70 wt % of V2O5, (b) 18-wt % of P2O5, (c1) up to 10 wt % of at least one alkaline metal oxide selected from Na2O, K2O, Rb2O, and Cs2O and (c3) up to 10 wt % of Tl2O. The composition is in a non-crystalline state during reheating and has...

A process is disclosed for the solid phase or liquid phase synthesis of selectable sequences of aminoacids of monosaccharides, the coupling sites being predetermined on a substrate. The sequences consist of determined aminoacids or monosaccharides and of undetermined aminoacids or monosaccharides at a defined position in the sequence. According to the process the synthesis of the sequence is carri...

The lens effect is observed for light passing through the fibres (1) and the fibres are turned around their longitudinal axis to adopt a position in which the lens effect is either minimal of maximal. The light is made to pass from the side through the fibres, at right-angles to the fibre longitudinal axis. - As a measure of the lens effect, the light intensity is determined in a plane through or ...

1. Organic amphiphilic charge transfer complex, which is an electrical conductor or a precursor of an electrical conductor complex, which can be deposited as a monomolecular layer on a substrate by the Langmuir-Blodgett method, characterized in that it complies with formula : DAx Xy in which D represents a monomeric organic electron donor group, A represents an organic electron acceptor group, X r...

The device disclosed envisages collating means (8) consisting of: a bottle (2) precollating station (10) consisting of a third belt (11), located downstream, with respect to a direction of feed (A), of a feed station (3) and running at a speed (V2) that is less than the speed (V1) of the feed station; a station (12) which collates the bottles into groups (1), located between the precollating stati...

A method for controlling a sorting apparatus of the type including a plurality of mobile carriages (12) for the transport and unloading of objects transported (3), in which: the carriage (12) is sent, with a predetermined advance "t" with respect to the moment of unloading, a signal which activates the unloading motor (4) in accordance with a predetermined scale of acceleration and for a pre-set...

A fluid separation module made up of a cylindrical shell having an outlet end and an enlarged inlet end. A bundle of hollow fiber membranes positioned in the shell extend through a cast tube sheet positioned in the enlarged inlet end of the shell. A flexible, imperforate sleeve is positioned in the shell surrounding the bundle of hollow fiber membranes, with one end of the sleeve being secured to ...

Bodies (3) such as tiles, plates, slabs or bricks of Refractory Hard Material (RHM) or other refractory composites are bonded to the cathodes or to other components, in particular to a carbon cell bottom (1), of a cell for the production of aluminium by electrolysis of a cryolite-based molten electrolyte, made of carbonaceous or other electrically conductive refractory material, by a non-reactive ...

A back-supporting seat having slatted seat and back portions (10, 12), the ends of the slats (14) being held in pockets (20) formed in folded strips (16) of flexible material. Excepting the end slats, which may be glued in the pockets, the pockets are made of sufficient depth to accommodate relative longitudinal movements of the slats, thereby enabling the seat better to conform to the contour of ...

Disclosed herein are peptide derivatives of the formula A-B-D-NHCH{CH2C(O)R<1>}C(O)-NHCH{CR<2>(R<3>)-COOH}C(O)-E wherein A is a lower alkanoyl bearing two substituents, each substituent selected independently from phenyl or a monosubstituted phenyl wherein the monosubstituent is alkyl, halo, hydroxy or alkoxy; B is a N-methyl amino acid residue; D is an amino acid residue; R<1> is alkyl, cycloalky...

PCT No. PCT/FR94/00236 Sec. 371 Date Sep. 6, 1995 Sec. 102(e) Date Sep. 6, 1995 PCT Filed Mar. 4, 1994 PCT Pub. No. WO94/20390 PCT Pub. Date Sep. 15, 1994The present invention relates to a method designed to control the flow rate of a fluid, generally a liquid, from a pressurized self-contained container (4). It is characterized in that a head loss is installed on the pressurized container, the he...

PCT No. PCT/EP94/00813 Sec. 371 Date May 29, 1996 Sec. 102(e) Date May 29, 1996 PCT Filed Mar. 10, 1994 PCT Pub. No. WO94/20425 PCT Pub. Date Sep. 15, 1994The invention concerns a process for increasing the purification yield in the activation tank of a station for the purification of waste waters employing the so-called "activated sludge" process. According to the invention, talc, pyrophyllite, k...

Halogen-free fuel additives based on a long-chain hydrocarbon containing a polar terminal group, obtained by recting a hydroformylated olefin with a polyamine and hydrogenating the reaction product.

The invention relates to a polyamide-containing polymer mixture having a melt viscosity of from 1,000 to 1,400 Pa.s. It comprises the following components: (A) from 50 to 75 parts by weight of nylon 6, nylon 66, nylon 12 or mixtures thereof; (B) from 15 to 30 parts by weight of a polyolefin having a density of from 0.921 to 0.96 g/cm<3> which has been grafted to an unsaturated carboxylic acid or...

The invention relates to a barrier layer resisting the transmission of oxygen for multi-layer barrier film characterized in that it is made of a transparent copolyamide comprising three components. The first component is hexamethylenediamine and adipic acid. The second component is hexamethylenediamine and azelaic acid, hexamethylenediamine and sebacic acid, and mixtures thereof. The third compone...

A leach resistant composition includes a quaternary ammonium complex of heparin and a silicone. A method for applying a coating of the composition to a surface of a medical article is within the purview of the present invention. Medical articles having surfaces which are both lubricious and antithrombogenic, are produced in accordance with the method hereof.

In a shared memory system, wherein several memory users MU(11) accede to a plurality of memory banks (17), a set of high level commands (CREATE, PUT, GET, RELEASE, ENQUEUE, DEQUEUE) is provided, to transfer data between a given memory user and the memory banks or another memory user. The high level commands sent by the memory users are built up by memory interfaces MI(13) connected to said memory ...