An exemplary embodiment includes a number of x-ray soures which are capable of being individually switched on in succession by means of a control generator, a patient support, an x-ray image intensifier which is surrounded by deflection coils which are connected with a deflection device, connected to the control generator, for the synchronous movement of the electron image in the x-ray image inten...

POUR LE DECOUPAGE D'UNE BANDE EN MATERIAU POUR PLAQUES D'ACCUMULATEUR PRESENTANT UNE SERIE D'OUVERTURES LONGITUDINALEMENT EQUIDISTANTES, L'APPAREIL COMPORTE DES ROULEAUX DE SUPPORT 53-59 TOURILLONNANT DANS UN BATI 41 ET CONTOURNES PAR UNE COURROIE SANS FIN 43 PORTANT SUR SA FACE EXTERIEURE UNE SERIE D'OREILLES 49 LONGITUDINALEMENT EQUIDISTANTES QUI S'ENGAGENT DANS LES OUVERTURES DE LADITE BANDE...

PURPOSE:To detect a fault of a PROM easily and with a simple constitution, by obtaining the total sum of the contents of each PROM chip in the form of the numerical value to compare it with the total sum value which is stored previously and deciding the quality of each PROM chip. CONSTITUTION:The control is carried out on the basis of a check program 31 of a chip 6, when a memory check program is...

PURPOSE:To enable a constant monitor for the control information which is read out an RAM, by storing the check word to a control RAM and then comparing the control ward integral value with the check word. CONSTITUTION:The control words 1, 2... which form the word of a control RAM are successively read out in response to the advancing of an address counter 1 and then added successively by an adder...

In one working operation or in directly successive working operations a tube 2 is extruded having at least two layers of different materials and the wall thickness thereof is structured to be wave-shaped or undulatory, i.e. has thick portions and thin portions at intervals. The thus formed tube sections are then cut from the tube to form the individual inner liners 50. The periodic variation in wa...

A method of manufacturing a tire bead ring of the package type by winding metal wires on a form of revolution, the radially inner face of the tire bead ring having a frusto-conical shape of half angle alpha at the apex and of radius R with respect to the axis of rotation of the tire bead ring, in which a permanent circular deformation is effected on the wires prior to their winding on the form of...

A replaceable insulating sleeve (20) is disposed around the lower end of a drill string (29) used in drilling a well (30). The sleeve (20) is restrained from rotating relative to the drill string (29), but can be released and quickly slipped off the drill string (29) in the field to permit rapid replacement if damaged, or if alternate equipment is required. The sleeve (20) carries sensing means (3...

PURPOSE:To improve oil resistance, viscosity, and adhesiveness, by a method wherein 60pts.wt. or less urethane bumper powder is mixed as a filler in a foaming rubber raw material, and after a vulcanizer and an expanding agent are added, the mixture is vulcanized and foamed. CONSTITUTION:Urethane bumper lump is crushed into 100 mesh to obtain pulverized bumper product. After synthetic rubber is pla...

PURPOSE:To reduce the amount of silicone rubber to be used, by a method wherein a capsule, in which low-boiling hydrocarbon is encasulated in a vinylidene chloride copolymer shell, is mixed in silicone rubber, and a silk screen printing is performed using the mixture. CONSTITUTION:A capsule foaming agent, in which a low-boiling hydrocarbon is encapsulated in a shell formed of a vinylidene chloride...

A process for producing an open cell foam comprising the steps of: (a) forming a compound comprising polyvinyl chloride resin produced by suspension polymerization, at least one organic stabilizer containing at least one Group I metal and at least one organic stabilizer containing at least one Group II metal, at least one surface active agent, and a heat decomposable blowing agent; and (b) heating...

For the magnetic printing or transfer of characters, a latent magnetic image is firstly produced on a ferromagnetic material which is printed onto an electrically conducting support. The magnetic image is then decorated with a ferromagnetic toner. The toner contains a ferromagnetic component, selectively at least one dyestuff or at least one chemical treatment agent and a resin which contains the ...

In a process for the production of polyvinyl chloride based powders suitable for plastisol preparation, wherein such powders are obtained by:

In a process for producing a foamed polyolefin article which comprises melting and mixing a polyolefin, a volatile organic blowing agent, a cell size-controlling agent, and an ester of a long-chain fatty acid and a polyhydric alcohol in an extruder comprising a feed zone, a compression zone and a metering zone, and extruding the resultant molten gel into an area having a lower pressure than the pr...

L'INVENTION CONCERNE UN PASSAGE POUR INTRODUIRE UN FLUIDE AU TRAVERS D'UNE COQUE DE FOUR ROTATIF.

IL COMPORTE UN AJUTAGE CYLINDRIQUE9 DEFINISSANT UN TROU10 D'ENTREE DE FLUIDE A L'INTERIEUR DU FOUR; UNE EMBASE22 FIXEE D'UN COTE DE L'AJUTAGE EST MUNIE D'UNE PLATE-FORME28 QUI TRAVERSE PARTIELLEMENT LE TROU D'AJUTAGE ET DELIMITE AVEC L'AJUTAGE UNE CHAMBRE ANNULAIRE30; DES SURFACES CORRESPONDA...

PROCEDE POUR PREPARER DES PERLES DE POLYMERE VESICULEUSES; ON MELANGE UNE PHASE HUILEUSE CONTENANT UNE RESINE DE POLYESTER RETICULABLE EN SOLUTION AVEC UN MONOMERE COPOLYMERISABLE AVEC LA RESINE ET UNE PHASE AQUEUSE CONTENANT UN AGENT EMULSIFIANT DANS DES CONDITIONS TELLES QU'ON OBTIENNE DES GLOBULES DE PHASE HUILEUSE AYANT UN DIAMETRE INFERIEUR A 1,5 MM; L'EMULSION CONTENANT LES GLOBULES CONTI...