An optical control unit comprises a base and at least one optical assembly having optical emitting means and conjugate optical receiving means with preset and fixed focal distances, the optical emitting means and conjugate optical receiving means being associated with the base so as to have fixed orientations with respect to the base and be capable of movement in directions parallel and transverse...

An actuator for supplying a controlled force or attaining a controlled position, especially an electro-mechanical brake unit, includes a drive sleeve 8), which may be subjected to a torque, for example from a coil spring (6), and a ball screw (15, 25) for transforming the torque into an axial force for brake application. Between the drive sleeve and the ball screw there is a control arrangement, c...

An arrangement for cooling a synthetic gas, generated in a gasification reactor, by means of a quenching cooler. The cooler is positioned below the outlet from the reactor and comprises a refrigerated inner jacket (5) surrounded by a pressurization jacket (1) and accommodating a water sump (6). There is an intermediate section (3) between the inner jacket and the outlet from the gasification react...

A process for continuously prepg. polymers comprises steps to; (i) continuously pass gaseous stream through flow-reactor under rxn. conditions in the presence of catalyst; (ii) recover unreacted fluids and the polymer product, cool unreacted fluids; and (ii) recirculate cooled fluids and additional monomers (enought to supplement monomers recoverred as product). In the above method, the partial o...

In a device for producing plastic pipes with transverse grooves, half-moulds (24, 24') which are provided with a mould recess (39, 39') and complement one another respectively in pairs to form a mould are arranged guided in a circulating manner on a machine table (2). An extruder head (37) is arranged at a distance from the mould. Furthermore, half-moulds (24, 24') with mould recesses (39, 39') of...

An apparatus for the production of plastic pipes with transverse grooves comprising half shells each having a mold recess which are arranged on a machine bed driven in a cycle. The half shells are assembled in pairs in a molding path to form a complete mold, the injection head of an extruder being arranged at the beginning of the molding path. Furthermore, the half shells are provided with vacuum ...

PCT No. PCT/GB87/00558 Sec. 371 Date Feb. 3, 1989 Sec. 102(e) Date Feb. 3, 1989 PCT Filed Aug. 6, 1987 PCT Pub. No. WO88/01058 PCT Pub. Date Feb. 11, 1988.In order to measure the concentration of an analyte in a liquid sample the sample is contacted with a receptor molecule having binding sites for the analyte and labelled with a first marker, whereby a fraction of the binding sites on the recepto...

PCT No. PCT/GB87/00558 Sec. 371 Date Feb. 3, 1989 Sec. 102(e) Date Feb. 3, 1989 PCT Filed Aug. 6, 1987 PCT Pub. No. WO88/01058 PCT Pub. Date Feb. 11, 1988.In order to measure the concentration of an analyte in a liquid sample the sample is contacted with a receptor molecule having binding sites for the analyte and labelled with a first marker, whereby a fraction of the binding sites on the recepto...

An array processing system including a plurality of processing elements each including a processor and an associated memory module, the system further including a router network over which each processing element can transfer messages to other random processing elements, a mechanism by which a processor can transmit data to one of four nearest-neighbor processors. In addition, the processing eleme...

Novel 13-spiro-2'-[tetrahydrofuran]-milbemycins of the formula I (I) in which X represents one of the groups -CH(OR1)-, -C(=O)- or -C(=N-OH)-; R1 represents hydrogen or a OH-protecting group; R2 represents methyl, ethyl, isopropyl or sec.-butyl or the group -C(CH3)=CH-A in which A represents methyl, ethyl or isopropyl; and R3 represents hydrogen; C1-C10-alkyl; C1-C10-alkyl substituted by...

A method of producing self-supporting ceramic structures (12) comprising (i) a polycrystalline oxidation reaction product formed upon oxidation of a molten parent metal (14) with an oxidant, and (ii) interconnected porosity (13) at least partially accessible from one or more surfaces (15) of said ceramic body. A second polycrystalline ceramic material is incorporated into the porosity of said cera...

A process for the maintenance of chain-type bottle conveyor belts in beverage-filling plants, more particularly in breweries, wherein the chain-type bottle conveyor belts are lubricated with belt lubricating agents with a base of neutralized primary fatty amines and are cleaned with cationic cleaning agents or organic acids. The invention enables a smooth, continuous bottle conveyance operation.

1344504 Filtering or ion-exchanging M R B HANKAMMER [trading as CHEMIE BRITA GERATE ING KARL ITTER] 12 May 1971 [13 May 1970] 14441/71 Headings B1D and B1J [Also in Division Cl] A device for treating water with a granular water treatment agent, e.g. actuated charcoal or ion-exchange resin, comprises a funnelshaped member 1 detachably connected to a tapering tubular shell 2 which contains the granu...

In a sorting apparatus wherein the items to be sorted are laid on planes consisting of revolving belts that effect the unloading in predetermined points of the path, the motor (6) that controls the rotation of said belts is linked to the same by means of a drive comprising a flywheel (7) and a joint (8), the latter being controlled in turn by means that may sense the speed of rotation of the belt....

Device for stacking folded printed items fed between two rolls (7) with a vertical axis, in which an additional roll (8) with a vertical axis is located downstream of these two rolls enabling the insertion of a predetermined number of printed products into one of two positioning systems (11) by which said items are relocated in a horizontal position; downstream of each positioning system (11) is a...

Device for stacking folded printed items fed between two rolls (7) with a vertical axis, in which an additional roll (8) with a vertical axis is located downstream of these two rolls enabling the insertion of a predetermined number of printed products into one of two positioning systems (11) by which said items are relocated in a horizontal position; downstream of each positioning system (11) is a...

This invention provides a process and apparatus for the growth of biomass from a supply of suitable nutrient wherein the volume of biomass and the size and shape of the units in which it is present within a vessel (10) in which the reaction takes place can be accurately controlled. Control is achieved by providing a support structure (14) for the biomass comprising one or more movable bodies each ...

An organopolysiloxane composition is facilely photocured, e.g., into a variety of non-stick coatings, by subjecting to a photocross-linking amount of ultraviolet irradiation, admixture of (i) a polysiloxane comprised of hydroxysilyl groups devoid of Si-H bonds and containing no organic radicals which include sites of activated ethylenic unsaturation, and (ii) an aminopolyalkoxysilane.

To apply a layer of spray concrete to a surface, a pumpable and sprayable spray concrete mix is made up from cement, aggregates, if appropriate additives, and water. A preset mass flow of the spray concrete mix is sprayed by means of a concrete delivery pump through a concrete transfer line to a spray gun with a device for introducing propellant air under a delivery pressure of several bar. The pr...