Centrifuge comprising two drums (1,2) having coaxial horizontal axes. The inner drum carries a set of dishes (33) and, on the periphery, a scraper screw (36). A sludge chamber (23) is provided at one end of the outer drum (2) and, by way of passages (28) adapted to be closed by a discharge device, is in communication with the outside. The centrifuge is provided with a double energy recuperation de...

In order to assure the geometric uniformity of a tire molded with a segment mold when the sculpturing of said tire includes blocks 11 surrounded by recesses formed by grooves 15 and incisions 16, the said grooves 15 are thinned at the level of the joint planes 550 between segments. Furthermore, wear indicators 17 are arranged at the level of the joint planes 550 between segments.

A method of correcting the variations of radial force between a tire and the ground, including measuring on a uniformity machine the variation in radial force of the tire/mounting-rim rolling assembly, reconstituting a radial variation on basis of the harmonic variations to be corrected, and effecting said correction by means of wedges in the form of circular rings placed between the mounting rim ...

WO 91/00048 PCT/US90/03722 1-TRANSMISSION/EMISSION REGISTERED IMAGE (TERI) COMPUTED TOMOGRAPHY SCANNERS AND SUMMARY OF INVENTION Reconstructed SPECT (Single Photon Emission Computed Tomography) images describe the intensity and location of sources of emitted photons in an attenuating medium, whereas transmission computed tomography (TCT) seeks to describe the distribution of different attenuation ...

In the manufacture of thermoplastically processable starch, an additive is essentially mixed with native or natural starch and the mixture is caused to melt by the application of heat and mechanical energy. The additive is a substance which lowers the melting point of the starch so that the melting point of the starch together with this additive lies below the decomposition temperature of the star...

Method of making collagen gel suitable for use in the manufacture of thin collagen film articles having superior mechanical properties. The method includes the steps of providing clean animal tendon at room temperature containing at least 30% collagen essentially free of ligamentous tissue. The tendon is comminuted in the presence of about 65% water by weight to form a collagen slurry. The slurry ...

43270 CAN 3A A method for attaching flexible rubber sheeting to rigid insulation for roofing applications using a pressure-senstive adhesive consisting essentially of a crosslinked polymer of monomers consisting essentially of from about 90 to 99 parts by weight of an alkyl acrylate and from about 1 to 10 parts by weight of a polar nitrogen-containing copolymerizable monomer and rigid insulation a...

17 Disclosed is a device for access to and follower control of a track of an optical disk. This device has an optical head with an axis orthogonal to the plane of the disk, at least one fixed magnetic circuit comprising a core that is secant with all the turns of the track, the gap of which forms a plane that is substantially perpendicular to the support, a first motor device allowing for the acce...

This invention relates to an improved cellulose chromatography support and, in particular, to substantially spherical, high density cellulose particles. This invention also relates to a method of making these spherical, high density cellulose particles and, in particular, to a method for forming spherical cellulose from a high molecular weight viscose in a stable emulsion of a liquid carrier and e...

A drive axle with a gear ring meshing with a drive pinion is designed with silent running properties, in that an intermediate member is secured to the differential carrier and is connected to the gear ring by an elastic coupling. Between the contacting faces of the gear ring and the intermediate member there are annular grooves and a cylindrical space is formed between an inner face of the gear ri...

1. A process for the preparation of perhalomethanesulphinic acid salts of general formula (I) [X1 X2 FC - SO2 ]3-n M in which X1 and X2 represent an identical or different halogen atom chosen from F, Cl and Br, M represents an alkali metal or alkaline-earth metal, n is equal to 1 or 2 depending on the valency state of the metal M, characterized in that an alkali metal or alkaline-earth metal dithi...

A novel composition is disclosed that is particularly useful as a lubricant viscosity index improver. The composition comprises branched branched C30-C10000 hydrocarbons that have a branch ratio of less than 0.19 and viscosity at 100 DEG C. between 725 CS and 15,000 cS. The novel compositions comprise the product of the oligomerization of C6 to C20 alpha-olefin feedstock, or mixtures thereof, und...

CONVERSION OF BIAS STRIP IN A FREQUENCY-DIVIDING-TRANSPONDER TAG INTO A TRIPOLE BAR MAGNET TO DEACTIVATE THE TAG A method of deactivating a frequency-dividing-transponder that includes an active strip of magnetic material that when magnetically biased to be within a predetermined magnetic field intensity range responds to excitation by electromagnetic radiation of a first predetermined frequency b...

A process for forming a porous refractory mass on a surface is characterized in that an oxidizing gas is projected against that surface together with a powder mixture which comprises: refractory particles; particles of fuel which reacts exothermically with the oxidizing gas to form refractory oxide and release sufficient heat to melt at least the surfaces of the refractory particles so that they b...

A process for forming a porous refractory mass on a surface is characterized in that an oxidizing gas is projected against that surface together with a powder mixture which comprises: refractory particles; particles of fuel which reacts exothermically with the oxidizing gas to form refractory oxide and release sufficient heat to melt at least the surfaces of the refractory particles so that they b...

The process is characterised in that cefodizim is brought into solution using 1.5 - 2.5 mol of an organic amine base in ethanol with a water content of 4 - 15%, and the disodium salt of cefodizim is crystallised out by the addition of a sodium donor.

A volumetric pump, partic. for non-vulcanised rubber comprises at least one delivering piston (10) sliding in a cylinder (11) alternatively between a high (PMH) and low (PMB) point between which in the wall (13) of the cylinder (11) are feed points (12). An exit port (14) fitted with a non-return valve (15) is situated in the closed end of the cylinder at the high point of piston travel. The cylin...

A long line for use in long-line fishing, comprising a main line (1) with detachably attached branch lines (2), each carrying a respective hook (13). The branch lines (2) are attached to the main line (1) via globular bodies (3), which are affixed to said main line and formed by rings having a spherical outer surface. Each branch line (2) is connected to a claw-shaped body (4), which via snap-in a...

Process for the preparation of bodies of expanded cross-linked polyethylene, with closed cells, comprising the steps of: melting a polymer of ethylene selected among ethylene homopolymers, copolymers of ethylene with alpha-olefins, copolymers of ethylene with conjugated diolefins and relevant mixtures; homogenizing the polymer of ethylene in the molten state with a quantity of from 0.1 to 2.5% by ...

A process for forming a porous refractory mass on a surface is characterized in that an oxidizing gas is projected against that surface together with a powder mixture which comprises: refractory particles; particles of fuel which reacts exothermically with the oxidizing gas to form refractory oxide and release sufficient heat to melt at least the surfaces of the refractory particles so that they b...