A spring brake actuator for a rail vehicle brake unit, comprising a cylinder and a rod shaped member. The actuator includes a cylinder-shaped housing, a piston with a piston rod and a spring intended to act in a brake applying direction. In order to obtain a truly modular system the actuator, as an integrated and self-contained unit, is arranged on the rod-shaped member of the brake unit. Its hous...

Expandable beads of blends of poly(phenylen- ether) and a vinyl aromatic polymer are prepared by carrying out the polymerization of the vinyl aromatic monomer in presence of the poly(phenylen-ether) and of an expanding agent.; MN 3939 "PROCESS FOR THE PREPARATION OF EXPANDABLE BEADS" * * * * * Expandable beads of blends of poly(phenylen-ether) and a vinyl aromatic polymer are prepared by carrying ...

The invention relates to a scale removal and prevention device in pipe systems through which a liquid, eg. water, flows, the liquid being exposed to the magnetic field of at least one magnet coil surrounding an axis of the housing, having an interior formed in a housing and subdivided by at least one baffle plate into at least two chambers, to be precise into a first chamber, provided with an inle...

PCT No. PCT/FR86/00438 Sec. 371 Date Oct. 6, 1987 Sec. 102(e) Date Oct. 6, 1987 PCT Filed Dec. 19, 1986 PCT Pub. No. WO87/03888 PCT Pub. Date Jul. 2, 1987.The compositions contain: (a) from 90 to 99.8% by weight of at least one modified polymer of ethylene and, where appropriate, at least one alpha -olefin having from 3 to 12 carbon atoms, the said polymer containing at least 80 mol % of units de...

A method for preserving porous structures, including masonry structures having embedded structural or reinforcing steel rods, applies liquid preservative material to an exposed surface of the structure and injects the material into the structure using the blasting force of a compressed air stream at high velocity. The apparatus for practicing the method includes separate manifolds having multiple ...

VASCULAR PROSTHESIS CONTAINING IN THE WALL MICROCAPSULES INCLUDING HORMONE-PRODUCING CELLS Vascular prosthesis of PTFE or of a low porosity material comprising an internal synthetic tubular mesh; microcapsules made of saccharide and amino-acid polymers, containing hormone-producing cells, are placed between the prosthesis and the tubular mesh.

An aqueous slurry of backfill material e.g. slimes, includes a settable material and an activator therefor, e.g. pulverized fuel ash and lime, and a lubricant e.g. clay and a plasticizer, e.g. a lignosulphonate so that the slurry can be pumped over long distances but will then set to develop high early strength.

Process for producing hydrocarbon-containing liquids from biomass which comprises introducing biomass in the presence of water at a pressure higher than the partial vapor pressure of water at the prevailing temperature into a reaction zone at a temperature of at least 300 DEG C. and keeping the biomass in the reaction zone for more than 30 seconds, separating solids from fluid leaving the reactio...

The invention deals with a polysiloxane dispersion with a 25 to 00.0% by weight outer phase consisting of monomeric or polymeric polyoles liquefying at temperatures of 20 to 100.degree.C, linear or ramified polyglycolethers, polyesters on a polyole base, and aliphatic, cycloaliphatic or aromatic dicarboxylic acids, aliphatic polylactones and/or polycarbonates, 0.1 to 75% by weight of a dispersed p...

PCT No. PCT/AU87/00069 Sec. 371 Date Nov. 12, 1987 Sec. 102(e) Date Nov. 12, 1987 PCT Filed Mar. 12, 1987 PCT Pub. No. WO87/05676 PCT Pub. Date Sep. 24, 1987.A method for protecting conduits in which a tube produced by helically winding a strip and interconnecting the edges of the strip to allow longitudinal slip is placed adjacent the area to be lined or overlapped. The tube is held at a selected...

Novel deacetylated polysaccharide biopolymers having improved viscosity/filtrability/injectability, well adopted for the secondary and tertiary recovery of oil deposits, are conveniently prepared by (i) acidifying an aqueous polysaccharide composition, e.g., a carbohydrate fermentation broth, with nitric acid to a pH of from about 2 to 0.1, (ii) heat-treating said acidified composition at a temper...

The bottle-shaped drink container (14) is mounted inverted in a holder (11) fastened on the inside of a refrigerator door (10). A funnel outlet (16) and plunger-operated tap (15) provide the dispensing means. A threaded cap (25) engages with the open base (26) of the container and can be unscrewed for refilling. The cap further features a central adaptor (29) which can receive the outlet of the c...

An attachment arrangement for the measurement mechanism carrier of an electricity meter has several bolt positions for equalising movement differences. The carrier (2) is clamped to a shaped thermosetting plastic base plate (1) at one bolt position (3) and has two defined supporting points. The carrier, which has through-holes, is displaceably attached at a second bolt position (4). The bolt pos...

An electron gun for a color cathode ray tube having a structure that a plate electrode to be provided within the focusing electrode is given the structure adding the external portion and providing in parallel three elliptical apertures in place of providing the cutout portion at the external portion, a plate electrode to be provided within the acceleration electrode is given the structure providin...

The system protects river banks, beaches and dunes, from erosion due to wave damage and tidal currents. Double-shaped concrete blocks with interlocking edges are assembled on dry land. Each block incorporates a sleeve through which a galvanised steel cable is passed in )addition each block has a protruding tongue cast on the leading facing edge and an indented groove on the trailing edge. This ar...

A cam shaft for valve operation in an internal combustion engine comprises two shaft elements of which the first (101, 201) is disposed inside the second (102, 202) and can be moved relative thereto angularly and/or axially. First cam elements (107, 207) provided on the first shaft element have at least lobe portions which extend radially outwardly through slots in the second shaft element to prov...

The potassium channel activator has the formula (I), its N-oxides, acid addition salts or quaternary ammonium salts: (A) V = C-R1; T = C-R2; W = C-H; R1 = H, Halo, -CC-, OH, CN, NR6R8, CO2R6 or CONR6R7; R2 = H, halo, 1-4C alkoxy, OH, NR6R8; R6, R7 = independently H or 1-4C alkyl; R8 = H, 1-4C alkyl, formyl, acetyl or trifluoroacetyl; or one of R1, R2 = NO2 and the other is as defined above. (B) V ...

The pallet loading and unloading device forms part of a larger system. Seen in plan, it moves a stack of prepared moulding boxes from a pallet at location (41) to a pallet at location (42) by lifting the boxes with the gripper head (39), moving them horizontally in the direction C and finally lowering them onto the new pallet. Traverse in the direction C is by movement of the slide assembly (19) ...

Integrated bearing intended particularly for equipping a motor-vehicle wheel hub, comprising a rotary outer ring (1) and a stationary inner ring (2); at least one row of rolling elements (3) arranged between the outer and inner rings; an annular pulser (4) fixed to the rotary ring (1) in the vicinity of one of its ends; and a sensor (5) stationary relative to the stationary ring (2) and located op...