Apparatus for abrasive cleaning comprises a source of compressed air, a source 14 of water, a vessel 18 in which abrasive particles are entrained in compressed air, a mixing zone 34 in which the compressed air carrying abrasive is mixed with liquid, and a compressed air driven pump 22 for pumping water to the mixing zone. The mixing zone is connected to an outlet nozzle by means of a pipeline alon...

A wall light fixture, particularly for hospital rooms or sickrooms, in which a room light fixture and a reading light fixture are connected, and can be tilted from a room lighting position to a reading position, and vice versa. The reading light fixture with its housing is seated in a carrier to be attached to the wall of a room. The room light fixture mounted in this carrier or on the housing of ...

DISPOSITIF DE SOUDAGE A GAZ CHAUD, PERMETTANT DE PREFERENCE DE SCELLER A L'AIR CHAUD, CARACTERISE EN CE QU'IL COMPREND UNE BUSE 10 PERMETTANT D'ACTIVER UNE ZONE D'OBTURATION HERMETIQUE AUTOUR D'UNE OUVERTURE A L'INTERIEUR D'UN CORPS CREUX, PAR EXEMPLE D'UN TUBE 14, UNE FENTE 12 MENAGEE DANS LA BUSE POUR ORIENTER UN COURANT DE GAZ TRAVERSANT L'OUVERTURE POUR ACTIVER LA ZONE D'OBTURATION HERMETIQ...

It consists of a reservoir 1 with a lid 3, comprising a drinking-water intake pipe 14 leading to a solenoid valve 2 controlled by the contactor 9; of a pipe 7 connected to the elbow pipe 10, passing through the control system 5 and the dispensing system 4 leading to an orifice in the reservoir 1; of an overflow pipe 8 coming out of the reservoir 1 and crossing the dispensing system 4, connected to...

Recovery of partially hydrolyzed copolymers of vinyl acetate and unsaturated carboxylic or sulfonic acid from aqueous solution dissolving them by adding an acid to the solution at a temperature of at least 40 DEG C. and then separating the deposited copolymers. This process can be advantageously applied to waste water dissolving the above hydrolyzed copolymers from desizing and washing of textile...

A heating pad 1 for heating car seats has a resistance wire 2 connectable to a power source 3, 7 by way of a thermostat 5. Stepless temperature adjustment of the pad is achieved by providing separate heating means 8 for the thermostat. The heater 8 and the thermostat 5 are connected such that the thermostat controls the supply of current to said heater 8, and a rheostat 10, 11 adjusts the current ...

A heating pad 1 for heating car seats has a resistance wire 2 connectable to a power source 3, 7 by way of a thermostat 5. Stepless temperature adjustment of the pad is achieved by providing separate heating means 8 for the thermostat. The heater 8 and the thermostat 5 are connected such that the thermostat controls the supply of current to said heater 8, and a rheostat 10, 11 adjusts the current ...

DISPOSITIF D'INTRODUCTION D'UN FIL DE TRAME DANS UN METIER A TISSER A JET D'AIR.

DISPOSITIF CARACTERISE EN CE QUE LES TUBES MELANGEURS 8 DES TUYERES DE PRISE 4 SONT RELIES ENSEMBLE A L'EMPLACEMENT DE LEURS COTES DE SORTIE DES FILS DE TRAME 7 DE FACON TELLE QU'ILS FORMENT UNE PARTIE 12 DE SORTIE CENTRALE, UNIQUE, SE TERMINANT EN UN ORIFICE DE SORTIE 13 UNIQUE.

L'INVENTION CONCERNE UN...

The air-conditioning unit is particularly for a motor vehicle, having an evaporator and a heater one behind the other in a housing in the flow direction of the air. A control shutter directs the air partly or fully through the heater or bypasses it completely, while after the heater is a mixing area with outlets connected to different points in the vehicle. On the side away from the heater (2) the...

DANS UN DISPOSITIF POUR LE REGLAGE CONTINU DE LA TEMPERATURE D'UNE UNITE ELECTRIQUE EMETTANT DE LA CHALEUR COMME UN COUSSIN DE CHAUFFAGE ELECTRIQUE, UN THERMOSTAT 5 EST POURVU D'UN MOYEN DE CHAUFFAGE 8, 13 SEPARE, REGLABLE DE FACON CONTINUE COMME UNE RESISTANCE ELECTRIQUE 8 A LAQUELLE EST APPLIQUEE UNE TENSION, LADITE TENSION ETANT REGLABLE DE FACON CONTINUE ET LE THERMOSTAT 5 ET LE MOYEN DE CH...

A heating pad 1 for heating car seats has a resistance wire 2 connectable to a power source 3, 7 by way of a thermostat 5. Stepless temperature adjustment of the pad is achieved by providing separate heating means 8 for the thermostat. The heater 8 and the thermostat 5 are connected such that the thermostat controls the supply of current to said heater 8, and a rheostat 10, 11 adjusts the current ...

Perfluoroalkyl thioalkylene amphoteric compounds of the formula wherein R1 is a perfluoroalkyl, R1 is alkylene or alkyleneoxy or aminoalkylene, R2 and R3 are hydrogen, alkyl, or together, form a ring. R4 is hydrogen or alkyl unsubstituted, or substituted by an anionic function, Z is alkylene and Y is an anionic function, and the acid adduct, alkaline salt or alkyl quaternary ammonium salt...

Diphenyl ethers of the formula where Z1 is hydrogen or halogen, Z2 is halogen, R1, R2 and R3 are each hydrogen or alkyl, R4 is alkyl or an araliphatic radical and n is a number from 1 to 8, are used for controlling undesirable plant growth.

The electroplating bath is employed for depositing a gold alloy which is particularly suitable for the fabrication of electrical connecting elements or contacts for electronic devices. The bath contains from 2 to 50 g/l of an alkali metal cyanide or ammonium gold cyanide, from 0.01 to 1.0 g/l of cadmium in the form of a cadmium compound, complex or chelate soluble in the bath, and less than 5 g/l ...

Hollow element containing a synthetic foam intended particularly for constructing vehicle chassis and bodywork, characterised in that the hollow element 10 has an orifice 3 for the insertion of a thin envelope 4 which substantially matches the internal contour of the hollow element and contains the foam 5. Application: construction of motor vehicle chassis and body work. ;

ELEMENT CREUX ...

A printed circuit has at least two crossed or superimposed conductor path systems insulated from one another except at certain points of interconnection. The printed circuit comprises a support such as a polyester film, the upper face of which has a system of conductor paths and contact areas and the lower face of which also has a system of conductor paths, these systems being formed by serigraphi...

L'INVENTION CONCERNE UN DISPOSITIF ROTATIF DE DECOUPAGE A L'EMPORTE-PIECE POUR PRODUIRE DES FENETRES DANS DES ENVELOPPES ET DES CARTONNAGES.

DANS LEDIT DISPOSITIF, UNE FEUILLE METALLIQUE 1 SUPPORTANT UNE ARETE TRANCHANTE 1A EST RABATTUE A SES EXTREMITES S'ETENDANT DANS LE SENS CIRCONFERENTIEL D'UN CYLINDRE DE DECOUPAGE 2. DES POINTES 3A, 6A DE SEGMENTS RESPECTIFS DE RETENUE 3 ET DE SERRAG...

1. Process of coloration of phanera with natural colorants by means of an aqueous solution or dispersion containing a surfactant, characterised in that it is carried out in two successives stages, of which the first comprises treatment of the phanera with a solution containing at least two non-ionic surfactants of different chemical natures and one or more salts of metals of groups II to V of the ...