Method of manufacturing biaxially stretched thermoplastic tubes using an installation which has a plastics extruder with open-loop or closed-loop control of its output and with a die head for extruding a high-viscosity initial tubing, a stretching mandrel and a speed-controllable take-off unit. In the region of the take-up part there is arranged a surrounding temperature-control bath for adjusting...

A method is employed by a central controller of a radio communications system, which method provides for sustaining a predetermined level of communication service. The system includes a plurality of voice channels which are allocated among a plurality of subscribers (108-112) using a first control channel (102). In a preferred embodiment, at least one of the voice channels (104, 106) is also contr...

Microemulsions contain: (a) a phenoxyphenoxy or heteroaryloxyphenoxy carboxylic acid herbicide; (b) a dispersant selected from fatty alcohol polyoxypropylene-polyoxyethylene ethers and polyoxyethylene-polyoxypropylene block copolymers; (c) an emulsifier or wetting agent selected from Ca dodecylbenzene sulphonate, fatty acid polyglycol esters, ethoxylated nonylphenols and alkanol polyglycol ethers;...

In a system for loading, processing and unloading substrates, a carrier has a bottom and a plurality of slots to receive a plurality of substrates for processing in a reactor. The reactor is tubular and has an inlet opening to receive the carrier loaded with substrates. A handling robot loads and unloads the substrates to and from the carrier when the carrier is located outside the reactor. A rota...

Two processes (1) and (2) are claimed for preparing aza-cyclohexapeptides of formula (I) or their acid addition salts. R = CH2CH2NH2 or CH2CONH2; R1 = 9-21C alkyl, 9-21C alkenyl, (1-10C) alkoxyphenyl, (1-10C) alkoxynaphthyl or (1-10C) alkoxyterphenyl; H, 1-4C alkyl, 3-4C alkenyl, (CH2)nOH or (CH2)nNR4R5; n = 2-4; R3 = H, 1-4C alkyl, 3-4C alkenyl, (CH2)nOH or (CH2)nNR4R5, or NR2R3 = pyrrolidino, pi...

The invention relates to a new transcorneal system for therelease of a medicament.15 claims, 11 figures; Системата намира приложение в медицината за дозирано подаване на лекарствени средства през роговия слой на кожата за по-дълги периоди от време. С неясе осъществява активен пренос на лекарствени средства при установен контрол на обемния поток, като се създава свръхналягане в резервоара чрез сред...

Zinc alloys for the cells of electrochemical batteries. Besides zinc and unavoidable impurities the alloys also contain 0.05 to 0.8 % Pb and either 0.005 to 1 % Al and 0.0005 to 0.1 % REM where REM is a rare-earth metal or a mixture of metals of rare earths or 0.005 to 1 % Mn, or 0.005 to 1.5 % mixtures of Al, REM and Mn. These alloys have a greater mechanical hardness and a better resistance to c...

In order to extrude onto a motor-vehicle glazing panel a seal (6) placed at the periphery (11) of its surface (25) which comprises a lip (10) for the centring and the sealing of the positioned glazing panel, a two-channel nozzle (16,17) is used. The channel (17) serves for the extrusion of the peripheral lip (10). It comprises an obturating device (26) which enables the flow rate of material ...

The invention relates to a ceiling element for a cooling or heating system which is provided with a frame (2) having a pipe (9) for a heat transport medium extending in loops, and means (11) for distributing heat which extend between the loops (10) and which are connected in heat conducting manner to the pipe. The heat distributing means can herein have an open structure, for instance a honeycomb ...

Compounds of the following formulas which have anti-tumor and anti-viral activity and are especially useful in treating viral infections, their compositions and use. A phosphonomethoxymethyoxymethyl purine/pyrimidine derivative of the formula wherein X and X min are the same or different and are hydrogen or alkyl. R and R min are the same or different and are hydrogen, alkyl, hydroyalkyl ...

A thin walled, easily crushable container with an integral or seamed-on bottom is filled with an edible material which requires sterilization. The empty container has one end attached or integral that may have a concave slope relative to the inside of the container. A liquified or solidified inert gas is then inserted into the container. The container is then sealed with a concave shaped end befor...

PCT No. PCT/SE92/00701 Sec. 371 Date Mar. 24, 1994 Sec. 102(e) Date Mar. 24, 1994 PCT Filed Oct. 7, 1992 PCT Pub. No. WO93/07241 PCT Pub. Date Apr. 15, 1993.The process of providing functional fluids with at least one of corrosion inhibiting ability or defoaming properties, including adding to a functional fluid a triethanolamine product mixture containing a major part (at least 50%, preferably fr...

A lapping machine having a lapping bed adapted to rotate about a main axis and having an annular lapping surface delimited by an inner circle and an outer circle and into which is cut a spiral groove. Virtually all of at least one confinement ring faces the annular surface and rotates about a fixed axis parallel to the main axis, contains parts to be lapped, and confines movement thereof against t...

Dissolved and suspended phosphates are substantially eliminated from a clarified waste water (3) low in solids. Precipitants and flocculants (4, 9) are added to the waste water low in solids to convert the dissolved phosphates into undissolved form and precipitated products and suspended matter are removed by microscreening (13) using mesh widths in the region of about 10 to 150  mu . The microscr...

Recombinant, in particular humanised, e.g. humanised chimeric and CDR-grafted humanised, antibody molecules having specificity for human TNF alpha , are provided for use in diagnosis and therapy. In particular the antibody molecules have antigen binding sites derived from murine monoclonal antibodies CB0006, CB010, hTNF3 or 101.4. Preferred CDR-grafted humanised anti-hTNF alpha antibodies compris...

An inductively heated square-topped cooking hob comprises a ceramic cooking plate (1) and a heating assembly cemented into a heat-resistant insulating baseplate (2) separated from the cooking plate (1) by an earthed screen set in a carrier plate (3). The heating assembly is formed by four identical inductor coils (10) each of which is wound as a flat rectangular spiral (13 to 19) centred on the di...

A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a semipermeable housing defining a internal space, (2) an optional and presently preferred in the space, (3) a heat responsive composition comprising a beneficial agent in the space, (4) a space consuming member in the device, (5) a non-toxic compound blended with the heat responsive composition for enhanc...

3,7-Dialkylxanthines are obtained from the corresponding 3-alkylxanthines using an alkylating agent in the presence of quaternary ammonium and/or phosphonium compounds and, if appropriate, additional polyethers in a two-phase mixture.

A process for the preparation of an aqueous suspension of a solid free-radical forming initiator, a plant for the preparation, an initiator suspension and use of the suspension in polymerization of ethylenically unsaturated monomers. The process for the preparation of the suspension comprises the steps of: (a) heating the initiator to its melting point; (b) finely dividing the initiator in wat...

A searcher receiver (114) includes a sample buffer (202) which stores signal samples loaded using a real time clock. A real time linear sequence generator (RT LSG) (206) stores an initial state and is clocked using the real time clock. The contents of the RT LSG are loaded into a non-real time linear sequence generator (NRT LSG) (208) when sample processing begins Samples are correlated using a no...