A continuous, completely jacketed countercurrent centrifugal extractor of the type utilized to mix and separate two liquids that have different specific gravities and enter through separate inlets. The extractor has at least one overflow weir in a mixing zone between the inlet for the specifically lighter and the inlet for the specifically heavier liquid phase and a division of the mixing zone int...

PURPOSE:To improve the pressure holding efficiency of an automatic valve, by connecting the liquid pressure chamber of a master cylinder, in which pressure is generated earlier, to a line provided with a holding valve and by using the pressure of the line to previously move a plunger for operating the automatic valve of another line. CONSTITUTION:The liquid pressure chamber of a master cylinder 2,...

A method of, and apparatus for, taking-off a thread or the like alternately from one of two bobbin packages arranged side by side in a creel for textile machines. The method contemplates taking-off a thread from a bobbin package, the tail end of such removed thread being knotted to the lead end of an essentially parallelly arranged reserve bobbin package. The knot is formed by first pulling the le...

A.TISSU POUR PANSEMENT.

B.TISSU CARACTERISE EN CE QU'IL SE COMPOSE D'UNE UNITE DE SURFACE 100 EN UN TISSU A MAILLES D'UNE GRANDE ELASTICITE COMPORTANT UN FIL FORMANT DES MAILLES L1, TOURNE VERS LA BLESSURE ET ETANT CONSTITUE PAR UNE MATIERE ENTIEREMENT SYNTHETIQUE COMME LE POLYESTER, LE POLYAMIDE, LE POLYPROPYLENE OU EQUIVALENT, ET DE FILS L2, L3, L4 INCORPORES, COMME FILS DE TRAME A L'UN...

The thread guide comprises a guide piece (1) produced in the form of a right-cylindrical tube made from ceramic and with a substantially constant external diameter, a magnet support (5) driven onto the guide piece (1), a permanent magnet (6) bonded onto the lower face of this support, a ball bearing (7), the inner race (8) of which is pinched between a washer (10) made from non-magnetic material b...

A machine for slicing slabs of cheese, sausage or the like comprises a feeding mechanism which supports the slab, feeds it intermittently at an inclination to the horizontal and includes a slab-supporting conveyor belt and gripping claws for holding the back of the slab. The conveyor belt runs over freely rotatable direction-changing rollers and on both sides of the conveyor belt parallel to the u...

A control circuit for an electrical device which includes a switch that is electrically isolated from other components. The switch is connected in series with a photovoltaic cell and relay means. The photovoltaic cell is illuminated so that closing of contacts of the switch causes actuation of the relay means. The relay means is connected to actuate the electrical device. Voltage at the switch is ...

LA FIXATION DE SKI COMPREND UNE MACHOIRE AVANT 5 ET UNE MACHOIRE DE TALON 7 REUNIE A LA PREMIERE POUR FORMER ENSEMBLE UNE UNITE. L'UNITE EST MONTEE DE FACON A POUVOIR COULISSER EN ETANT GUIDEE EN DIRECTION LONGITUDINALE DU SKI SUR UN SUPPORT 3 SOLIDAIRE DU SKI. AU MOYEN D'UN DISPOSITIF A CRAN, L'UNITE PEUT ETRE VERROUILLEE EN PLUSIEURS POSITIONS. LE SUPPORT PRESENTE AU MOINS UNE OUVERTURE D'INT...

L'INVENTION CONCERNE UNE COMPOSITION D'OBTURATION ETANCHE A BASE DE CAOUTCHOUC BUTYLE.

ELLE COMPREND DU CAOUTCHOUC BUTYLE, UN AGENT DE RETICULATION DE CE CAOUTCHOUC BUTYLE, UN ACTIVATEUR DE RETICULATION, AU MOINS UN AGENT D'ADHESIVITE COMPATIBLE AVEC LE CAOUTCHOUC BUTYLE, AU MOINS 2 PARTIES DE NOIR DE CARBONE POUR 100PARTIES DE CAOUTCHOUC BUTYLE, DE L'OXYDE DE ZINC ET UN CONSTITUANT CONTE...

A.CIRCUIT POUR LA SURVEILLANCE DE SOUS-ENSEMBLES DE CALCUL QUI, LORSQU'ILS FONCTIONNENT CORRECTEMENT, DELIVRENT A L'UNE DE LEURS SORTIES DES SIGNAUX DYNAMIQUES, AVEC UN CIRCUIT DE REMISE A L'ETAT INITIAL, ET AVEC UN CONDENSATEUR D'ACCUMULATION POUR LA MISE EN MEMOIRE DE CES SIGNAUX.

B.CIRCUIT CARACTERISE EN CE QU'IL EST PREVU UN MOYEN D'AMPLIFICATEUR 7 COUPLE, PAR REACTION, QUI CHARGE LE ...

It is described an improved refrigerating device for the keeping of foods, whose main characteristic consists in that it comprises means for the acquisition of external information (1, 11) by which it receives the data about the kinds of foods which are kept inside it, timers (31) measuring the passing of time, in particular starting from the date of keeping of food, means for processing informati...