Abstract: This mass flowmeter is designed to be installed in pipelines having nominal diameters greater than about 150 mm. It has a support tube (11), a vibrating system (12) disposed axially in the support tube and consisting of two straight measuring tubes (21, 22) mounted in a holder (23, 15) at each of their ends, and a vibration exciter (50) which sets each measuring tube into natural-resonance flexural vibration at the center. The soft-magnetic armature (51) of the vibration exciter (50) is secured to one of the measuring tubes, and its electromagnet (52) is mounted in the wall of the support tube (11) opposite the armature (51) via the metallic, nonferromagnetic coil can (53) and contains a soft-magnetic core (54). The central portion (55) of the latter, which is disposed in an energizing coil (57), carries a permanentmagnet inset (58) at the end opposite the armature, and the edge portions (56) of the core (54) extend along the outside of the energizing coil.

Abstract: Movement of an elevator cab drive sheave is controlled by a multiple disc brake assembly which is operably connected to the output shaft and sheave of the elevator drive machine. The disc brake assembly can act as an upward or downward safety brake, and can also serve as the operating brake for normal operation of the elevator. The brake assembly can be fitted onto a substantially conventional existing elevator system, and its operation is not affected by any gear degradation in the machine drive gears.

Abstract: This sensing element, which is to be installed in a pipeline conducting the fluid to be measured, consists of a straight section of pipe (1) with an unrestricted cross-sectional area and an uninterrupted wall to the external surface of which are positively fixed, successively in the downstream direction and in a spaced-apart relationship: a first resonance absorber (11) at the inlet end consisting of at least one absorber disk (111), a first transducer disk (21) having a first ultrasonic transducer (31) attached to one lateral surface thereof which excites the radial resonance frequency of said first transducer disk (21), a second transducer disk (22) having a second ultrasonic transducer (32) attached to one lateral surface thereof which excites the radial resonance frequency of said second transducer disk (22), and a second resonance absorber (12) at the outlet end consisting of at least one absorber disk (121), the absorber disks (111, 121) being dimensioned so that their respective radial resonance freque

Abstract: For flow rate measurement by means of ultrasonic waves, on a measuring tube two ultrasonic transducers are arranged spaced apart from each other, one operating as transmitting transducer and the other as receiving transducer. For determining the flow rate the phase shift between the transmission signal and the reception signal is measured digitally in that the measuring time intervals corresponding to the phase shift the periods of a signal are counted with a counting frequency which is substantially greater than the frequency of the transmission signal. The start phase which the counting frequency signal has at the beginning of each counting operation with respect to the measuring time interval is varied from measuring time interval to measuring time interval in a measuring cycle including a plurality of successive measuring time intervals and the counts obtained in the course of the measuring cycle are evaluated to form a measured value with increased measurement resolution.

Abstract: The apparatus for producing a product gas from a fine-grained carbon-bearing substance during a high-pressure gasification comprises a vertical gasifier and radiative cooling device, a vertical convective cooling device through which a flow occurs from top to bottom and a connecting pipe between a head of the gasifier and radiative cooling device and a head of the convective cooling device. The gasifier and radiative cooling device comprises a pipe-like shaft, a lower cinder outlet and an upper conical connecting piece for the connecting pipe. The shaft is constructed as an equal speed flow duct, which is not equipped for feeding a foreign cooling means, but is designed so that solidification of the accompanying cinders travelling with the product gas occurs by radiative cooling.

Abstract: In the method for mass flow measurement by the Coriolis principle a fluid-traversed elastically deformable measuring tube is periodically deflected. As a measure of the mass flow phase displacements are measured between deflections of portions of the measuring tube wall which are arranged differently in the flow direction. For this purpose a periodic deformation of the cross-section of the measuring tube is effected in such a manner that portions of the measuring tube wall lying diametrically opposite each other are deflected in each case through about the same distance in opposite or the same direction transversely of the flow direction of the fluid. This method can be carried out with a simply constructed mass flow meter in the operation of which a wandering of the center of gravity of the meter is substantially avoided and which is also suitable for large nominal widths.

Abstract: A guide catheter having a tubular body with a wire-braided Teflon core and a polyurethane jacket. The distal end of the jacket is removed from the core, and a soft polyurethane tip is applied to the core over the region where the jacket has been removed. The tip overlaps the core for approximately two millimeters and extends distally approximately two millimeters beyond the distal end of the core. The tip may be applied to the core as a separate tube bonded to it or be built up on the core by repeatedly dipping the top in a polyurethane slurry, or be molded onto the distal end of the core.

Abstract: Apparatus and method are disclosed for transmitting modulated, collimated light and receiving reflected light that is used in providing a three-dimensional display of a field being viewed. The apparatus includes a pair of counter-rotating optical wedges in both the transmitter and receiver sections of the apparatus. An elevation mirror communicates with both the light transmitted to and the light reflected by objects in the field of view. The counter-rotating wedges and the elevation mirror cooperate to provide a raster scan of the field of view using the transmitted light beam. The reflected light communicates with further optical and electronic hardware for subsequent filtering and processing. Each of the four optical wedges is rotated using a secondary gear, with each secondary gear on the transmitter section being aligned with a secondary gear on the receiver section of the apparatus. Each of the aligned secondary gears is driven by the same primary gear.

Abstract: An improved package for needled sutures comprising a 3-panel folded paper folder for PTFE (and optionally silk, cotton, and other) sutures wherein the suture is arranged in a sinusoidal configuration within the folder and the needle(s) held firmly in place across a U-shaped slot at the top of the folder which allows ready access from either side of the folder when the protective envelopes are opened.

Abstract: The invention relates to SO.sub.3 adducts with imides, which are sparingly soluble or insoluble in water, of the formula ##STR1## in which R.sub.1, R.sub.2 and R have the meaning indicated in the description, a process for the preparation of the adducts and their use as sulphonating agents.

Abstract: The invention relates to a process for removing oleophilic odor- and tasteproducing substances from water by treating the water with an insoluble, macroporous adsorber resin comprising a matrix based on a crosslinked organic polymer containing aromatic nuclei, the polymer containing chloromethyl groups as substituents; some of the chlorine atoms in the chlormethyl groups can be reacted with ammonia or amines, furthermore the invention relates to the adsorber resins to be used in the claimed process.

Abstract: Nitrogenous fertilizer compositions comprising a cation exchanger in the form of a salt thereof with a basic carbonic acid derivative containing at least 2 nitrogen groupings, e.g., a salt formed by attaching to a cation exchange material, guanidine, diguanidine, guanylurea, biuretdicyanamide, urazone, melamine, guanine or ammeline, are outstandingly effective in providing gradually-acting, long-lasting fertilizing action.

Abstract: The invention relates to a process for removing oleophilic odor- and tasteproducing substances from water by treating the water with an insoluble, macroporous adsorber resin comprising a matrix based on a crosslinked organic polymer containing aromatic nuclei, the polymer containing chloromethyl groups as substituents; some of the chlorine atoms in the chlormethyl groups can be reacted with ammonia or amines; furthermore, the invention relates to the adsorber resins to be used in the claimed process.

Abstract: The invention concerns new, crosslinked, macroporous, vinyl-aromatic plastic materials containing thiourea groups, to processes for their production and to their use for adsorbing metal compounds, especially noble metal and mercury compounds.

Abstract: This invention relates to a new process for the production of crosslinked, water-insoluble synthetic resins with anion exchanger properties wherein the crosslinked, water-insoluble organic polymers containing aromatic nuclei are reacted, in the presence of swelling agents for the polymer and in the presence of acid catalysts, with esters of N-hydroxyalkylamides or N-hydroxyalkylimides, and the acylamido alkylated reaction product is subsequently hydrolysed in known manner. The invention furthermore concerns new crosslinked water-insoluble synthetic resins with anion exchanger properties containing at least two aminoalkyl groups per aromatic nucleus.

Abstract: A fertilizer for the long term and uniform supply of plants with micronutrient elements of atomic numbers 24 to 30, comprising at least one anion exchanger charged with anionic chelated ions of at least one element having having an atomic number of from 24 to 30; furthermore a process for the long term and uniform supply of plants with micronutrient ions of elements of atomic numbers 24 to 30, wherein an anion exchanger charged with said ions is applied to the plants or their environment.

Abstract: Lubricating compositions containing seal swelling additives based upon certain diesters and/or ester lactones are disclosed.