PURPOSE:To keep the single-cycle transmission characteristic of an input shaft torque unchanged regardless of the gear ratio of a sample in a control system by multiplying a torque command value of an output shaft for a load absorbing machine by a revolution ratio between the input shaft and the output shaft. CONSTITUTION:A driving machine 3 with a revolution detector 2 is connected to the input s...

The invention relates to a process and apparatus for the controlled preparation of a saturated solution of a solid material in a solvent. The amount of solid material 3 dissolved in the solution prepared is monitored by comparing the volume of solvent flowing into compartment 2 with the volume of solution subsequently flowing out, using volume measuring means 9.

L'INVENTION CONCERNE UN SYSTEME DE PROPULSION PAR QUATRE ROUES MOTRICES.

SELON L'INVENTION, IL COMPREND UNE UNITE MOTRICE AVEC UN ARBRE DE SORTIE, UNE UNITE DE TRANSMISSION DE PUISSANCE 4 AYANT DES ARBRES D'ENTREE 4A ET DE SORTIE 4B DE TRANSMISSION, UNE PREMIERE UNITE D'ENTRAINEMENT DES ROUES 5 COMPRENANT UN MOYEN REPARTITEUR DE PUISSANCE 21 ET UN PREMIER ENSEMBLE DIFFERENTIEL 23; UNE SEC...

An optical communication system for drill hole logging comprises an armoured cable 58a containing one or more optical glass fibres 23a and 28 inside a tubular moisture barrier, a neodymium laser 21a capable of radiating infrared light into at least one of the glass fibres, a modulator 31 in a downhole cable-head connector shell 10a for modulating light and returning it to the surface, and a semico...

LA PRESENTE INVENTION CONCERNE UN NOUVEAU PAPIER SYNTHETIQUE LEGER IMPRIMABLE OBTENU PAR COUCHAGE D'UN FILM DE POLYPROPYLENE BIETIRE D'EPAISSEUR COMPRISE ENTRE 10 ET 30 MICRONS, D'UNE OPACITE COMPRISE ENTRE 50 ET 80, LEDIT FILM AYANT ETE RENDU APTE A FIXER UNE COUCHE EN MILIEU AQUEUX, LEDIT COUCHAGE ETANT REALISE PAR DEPOT DE 4 A 10GM ET PAR FACE D'UNE COUCHE COMPORTANT UNE CHARGE OPACIFIANTE, ...

L'INVENTION SE RAPPORTE AUX DISPOSITIFS OPTIQUES PERMETTANT D'ENREGISTRER ET DE LIRE DES DONNEES SUR UN DISQUE COMPORTANT UNE PREGRAVURE, L'ENREGISTREMENT ET LA LECTURE METTANT EN OEUVRE UN SPOT D'ECLAIRAGE 6 NE POUVANT ECLAIRER QU'UN SEUL ELEMENT DE PISTE 5 A LA FOIS.

L'INVENTION A POUR OBJET UNE PREGRAVURE TELLE QUE LE SPOT 6 EMPIETE SUR LES ELEMENTS DE PISTE 5 QUI ENCADRENT UN INTERPIS...

An improved multiphase series reactor consisting of a number of interconnected coils, each coil being formed from sub-coil wherein the sub-coils consist of a number of laterally-spaced single-plane spirals, each spiral being formed from hollow electrical-conducting material. Each sub-coil is wound in such a manner that electrical power supplied to the coils passes through the constituent spirals o...

Aminoplast foams of hardened reaction products of aldehydes and at least bifunctional modified alpha , omega -ureas which contain at least one ether, thioether, acetal, ester, ester amide and/or carbonate group and have a molecular weight of from 200 to 10,000.

Support apparatus for a movable tool head drive for a machine tool comprising a stand on which is fixed, a table on which is slidably movable, a framework comprising an upper transverse member which supports a movable tool head. The framework is in the form of a closed vertical frame having spaced vertical posts and a lower transverse member mounted below the table, the vertical posts being joined...

This invention relates to an additive combination, for water-containing, setting building materials, in particular those of cement, based on an anionic polyelectrolyte, and including at least one nonionic, low-foaming surfactant. The invention also relates to a process for plasticizing water-containing, setting building materials.

A heater device (1) arranged to be applied to a fuel filter (2) comprises an electric resistor (8) in a formable band (11) which is wound around said filter (2). Heat insulating material (18) surrounds the band (11) and a thermal switch (19) is provided.

L'INVENTION A POUR OBJET UN VITRAGE A RESEAU DE CHAUFFAGE ELECTRIQUE EMAILLE A CHAUD DONT LES COLLECTEURS 3 SONT RECOUVERTS D'UNE COUCHE PROTECTRICE 4 ELECTRIQUEMENT ISOLANTE, ET SUR LEQUEL LES TRONCONS FINALS 7 DES CONDUCTEURS CHAUFFANTS 2 SONT ELARGIS DANS L'ENSEMBLE DE LA ZONE PLACEE SOUS LADITE COUCHE PROTECTRICE.

LE COLLECTEUR 3 SE TROUVE AINSI PROTEGE, NOTAMMENT DANS LE CAS D'UN COL...

PURPOSE:To absorb internal stress by forming a buffer layer shaped by sealing soft resin into the clearance of a semiconductor chip and a base body. CONSTITUTION:The buffer layer is formed by inserting a soft elastic substance such as silicon resin between the semiconductor chip 3 and the substrate 1. Accordingly, the internal stress generated at the connecting points of the semiconductor chip 3, ...

PURPOSE:To produce a piled plate such as shutter having reinforced connecting portion as one body and good heat-insulation properties by carrying out full connection between metal parts of surface members and foamed material of inner insulation members with foaming of foam-raw material simultaneously. CONSTITUTION:Metallic tubes 30 through which steam may be injected are inserted between two outer...

L'INVENTION CONCERNE UN PROCEDE D'IMPLANTATION DE PICOTS 38 SUR UN MANDRIN 36 ET UNE MACHINE POUR LA MISE EN OEUVRE DE CE PROCEDE.

LA TETE DE TRAVAIL 40 ASSURE SIMULTANEMENT L'IMPLANTATION D'UN PICOT ET LA REALISATION D'UNE PERFORATION 112 DANS LE MANDRIN AU MOYEN D'UN POINCON 94. LA PERFORATION EST EFFECTUEE DANS LA MEME RANGEE LONGITUDINALE QUE LE PICOT IMPLANTE ET VERS L'AVANT PAR RAPP...

PURPOSE:To make it possible to measure the mechanical properties of biological substances such as skin and hair continuously as well as highly accurately over a long period of time through elimination of the mechanical fatigue of a sample by slackening the sample while the measurement is suspended. CONSTITUTION:A sample 1 coated with a cosmetic is clamped between clamps 2 and 3. Then, a servomotor...

The invention relates to antimicrobial compounds of Formula (I) and semi-synthetic methods for their production. Also included in the invention are compositions containing said antimicrobial compounds and methods for the use of said compound and compositions.

The anthracycline glycosides I (X = H or OH, R1 = H or CH3, R2 = H or OCH3, R3 = H or OCH3, R2 = R3) and their pharmaceutically acceptable acid addition salts have antitumour properties. They are prepared from 4-demothoxy-daunomycinone or 2,3-dimethyl-4-methoxy-daunomycinone by condensation with an appropriate N-protected hexopyranosyl chloride and removal of the protecting group and, in t...