Abstract: The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ?R than the full radius Rv of the conveyor element required for the mutual stripping of adhering product in a closely intermeshing screw operation with adjacent conveyor elements.

Abstract: The invention relates to a device for a prechamber unit (10) of a gas engine, comprising a prechamber unit (10) in the form of an elongated body (12) arranged to be placed in an upper part of the engine's cylinder, and where the elongated body (12) comprises a prechamber gas valve (20) and an ignition means (22) arranged side by side, and one or more channels (24) for supply of fuel gas via the prechamber gas valve (20) to a prechamber (26) in a lower part of the elongated body (12). Said prechamber (26) comprises further in the axial direction, an elongated cavity (28) with nozzles (30) placed at the end for supply of ignited fuel gas to the engine's cylinder with the help of the ignition means (22). The elongated cavity (28) in the prechamber (26) is divided into several connected, and in cross-section, graduated or tapered cavities (28a, 28b, 28c), where an uppermost cavity (28a) is widest in the cross-sectional direction and a bottom cavity (28c) is narrowest in the cross-sectional direction.

Abstract: The distributor serves for a pairwise delivery of two liquids to a plurality of infeed sites in a reactor or in a column with a density of at least 50 sites per m2. The distributor has a pair of main passages that supply pairs of secondary passages with different liquid. Each pair of secondary passages is formed by a pair of upstanding side parts and an upstanding partition wall. Each side part has a base extending from a lower edge to the partition wall to define a secondary passage therewith for receiving liquid from a respective one of the main passages, and each base has a plurality of outlet apertures for the outflow of liquid from the respective secondary passage.

Abstract: The invention relates to a method and device for the continuous polycondensation of polyester material in the solid phase, in particular in the form of partially crystalline granulate. The aim of the invention is to achieve a high product throughput on recrystallising and recondensation of polyester material with a low initial IV. Said aim is achieved, whereby on recrystallisation, a low residence time of 1-10 minutes is achieved, by means of a rapid heating of a thin product layer, followed by an SSP treatment.

Abstract: The invention relates to a die assembly(1) for forming extrudates of viscoelastic masses, e.g. polymers, dough masses etc, comprising several similar parallel die channels (2), each extending through the die assembly (1) in the axial transport direction (F) of the mass. According to the invention, a respective partition (5), which runs parallel with the axial transport direction (F) and is equipped with a cutting edge (5a) on its upstream end, is provided on the upstream end of the die body (1) between two adjacent inlet openings (3).

Abstract: The droplet separator includes a vortex generating apparatus in a flow passage for directing a droplet-carrying gas in the direction of at least one separator element arranged concentrically about the flow passage. The separator element includes multiple grid-like structures for separating the droplets from the gas flow.

Abstract: The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable polymer particles is provided with an apparatus for the processing of recycled, propellant-containing polymer particles.

Abstract: The multicomponent cartridge assembly has at least two cartridge containers arranged next to one another and which can be connected to one another via upper and lower connection elements so that they can be plugged together. An additional latch device in the form of interengaging teeth is provided in the region of the upper and/or lower connection elements for the secure holding of the two cartridge containers in the plugged-together state.

Abstract: The network system matches the supply and demand of transportation services by incorporating unused transportation capacity (i.e., empty seats) with a real-time allocation and matching service that enables individuals and goods to conveniently hire that capacity with attractive pricing, rapid responsiveness, better information availability and trusted security. The network system provides an electronic registry of capacity containing an indication of the spare transport capacity and location of a plurality of transport vehicles, an electronic registry of demand containing an indication of the demand for transportation needs of a plurality of individuals and a central processing capability to effect a match of the transport capacity of at least one transport vehicle with the transport demand of at least one individual.

Abstract: The invention relates to a method for producing a high-molecular polyester from a solidified polyester prepolymer by solid phase polycondensation. The polycondensation cleavage products of the solid phase polycondensation reaction are extracted from the product by means of a process gas, and the process gas is then cleaned and essentially recycled. According to the invention, the process gas is cleaned by means of an aqueous washing liquid. The invention also relates to an installation for carrying out the inventive method, said installation containing a crystallisation appliance (1) and a reaction appliance (2). A gas outlet (2d) of the reaction appliance (2) is directly or indirectly connected to a gas inlet (3c) in a gas cleaning system (3), and a gas outlet (3d) of the gas cleaning system (3) is connected to a gas inlet (2c) of the reaction appliance (2).

Abstract: The tubular element is made with a sleeve formed of a spun bonded polyester material that allows the passage of water and prevents the passage of soil when used for a drainage element. The tubular element is made with small diameters that allows the element to be coiled about a three-dimensional object when used as a cushioning device.

Abstract: The apparatus serves for the separation of liquid from a fluid flow loaded with liquid droplets, which can be directed through separator structures in counterflow to separated liquid. The separated liquid flows away on surfaces of the separator structures into a collector located at the inlet are of a separator structure. The collectors are, in turn, connected to a collection line via a collection passage.

Abstract: The cartridge piston has an outer wall, an inner support body and radial connection webs between the outer wall and the inner support body. In order to ensure a good sealing behavior under unilateral strain or asymmetric strain by a pressing plunger, a stiffening body connected to the connection webs is provided between the outer wall and the inner support body. The connection webs have a gap that extends at least up to half the height of the cartridge piston at the lower side of the cartridge piston between the outer wall and the stiffening body.

Abstract: The needle guard is attached to the needle hub by a polyester film strip and the needle passes through longitudinally spaced apart apertures in the strip. The film strip is housed in the needle guard in corrugated manner. When the needle guard is pulled over the needle, the needle moves into the housing of the needle guard and into abutment with the housing while the strip is stretched between the hub and the housing to retain the housing connected to the hub under a biasing force.

Abstract: The fine distributor for a liquid includes a primary distribution stage that has a plurality of outlet openings and a secondary distribution stage that has distribution gutters below the primary distribution stage. A mesh structure leads from the primary to the secondary distribution stage to further distribute the descending liquid laterally. One outlet opening or a group of outlet openings in the primary stage are associated with each guide mens and also a distribution gutter is associated with each guide means. Each guide means, by means of which liquid (23) can be directed from the at least one associated outlet opening to the secondary distribution stage, extends from the primary distribution stage to the associated distribution gutter and also through it and forms a drip edge (45) for the liquid supplied below the distribution gutter. Each guide means has at least partially a three-dimensional structuring and also a regular perforation.

Abstract: A device is described for a plug (12) for pressure testing of bore holes and the like in a formation or the like, and associated pipe (10) in which the plug is installed in a plug-carrying chamber (14), and the plug (12) seals the passage through the pipe by cooperating with sealing bodies (23, 25), with the underside of the plug (12) being arranged (rests) in a seat at the bottom of the chamber. The plug is characterized in that it comprises a number of layer-formed or tier-formed ring disc elements of a given thickness, on fitted on top of the other.

Abstract: The tray has an infusion field of infusion tab valves adjacent the inlet to dissipate the momentum of the liquid flowing across said infusion field. Each valve includes a vertically upstanding wall of a height to obstruct the flow of liquid and the valves are disposed in a staggered array. An adjacent bubbling area has openings for the passage of an ascending flow of vapor into contact with the liquid/vapor mixture flowing across the area. Each infusion tab valve may also have a push valve incorporated therein.

Abstract: The apparatus is provided for impregnating a melt of polymer with a fluid working medium, such as, an expanding agent or an additive. Impregnation is carried out for the purpose of manufacturing foamed shaped parts using an injection molding machine. The impregnating body includes at least one melt channel formed in a gas permeable segment and a channel system for fluid infeed. The gas permeable material, e.g. sintered metal, separates the fluid from the stream of melt in the melt channel(s). Each melt channel has open pores at its inner surface which enable the impregnation. The melt channels can contain static mixers in the stream of melt to promote the distribution of the diffused fluid in the flow of melt.

Abstract: The invention relates to a method for producing a high-molecular polycondensate from a solidified polycondensate prepolymer by solid phase polycondensation. According to said method, the polycondensation cleavage products of the solid phase polycondensation reaction are extracted from the product by means of a process gas, and the process gas is then cleaned of the polycondensation cleavage products and essentially recycled. According to the invention, the specific energy input is less than 120 kWh/t, preferably less than 110 kWh/t and especially between 70 and 100 kWh/t. The invention also relates to an installation for producing a high-molecular polycondensate, said installation comprising a heating appliance (1), followed by a crystallisation appliance (2), a reaction appliance (4), and a cooling appliance (5).