baber/WOPTO huggingface dataset:
Patent DE-2944480-A1 (DE)
Inventor: SPIELMANN WERNER DIPL CHEM DR
IPC: C07C51/377
Filed: 1979-11-03
Abstract: Phenylacetic acid and the simple derivatives thereof are prepared by catalytic hydrogenation of mandelic acid and its appropriate derivatives in the presence of a noble metal catalyst in aqueous solution which is free from mineral acid, especially free from hydrochloric acid.
Patent DE-2946480-A1 (DE)
Title: Ceramic firing oven with short warm=up time - chokes combustion gas escape and builds pressure
Inventor: LOGAN ALAN
IPC: F27B17/00
Filed: 1979-11-17
Abstract: Kiln for heating ceramic articles with a throttled exhaust opening or openings, is claimed which allows highest possible temperature to be reached in the shortest possible time by creating overpressure in the kiln. The exhaust channel follows the roof and/or side walls of the kiln and is formed of thermally conductive materials to assist rapid temperature rise. The burner is suitable for use with pressure created in the kiln and is provided with a thermally conductive flame deflector plate.. The kiln allows rapid heating without causing cracking of ceramic articles. Heating to 1300 deg.C in 2 hrs. 10 mins or 900 deg.C in 1 hr. is possible compared to 4 hours to 1150 deg.C for prior kilns.
Patent DE-2948060-A1 (DE)
Title: Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft
Inventor: STAMPA ULRICH
IPC: F03D3/06
Filed: 1979-11-29
Abstract: The wind energy converter comprises a rotor which is rotatable (A) about a vertical axis (1) and has blades (3) shaped such that, on rotation, they generate a cylinder of revolution (2). The blade surfaces form a helical pattern on the surface of this imaginary cylinder. The surfaces of the blades may be contoured similarly to the tooth flanks of a single or double-helical gear wheel. The ends of each blade may be secured to spokes (4a,b) radially extending from the rotor shaft.
Patent DE-2951401-A1 (DE)
Title: Jaw crusher with two crushing channels - formed by fixed and swinging jaws operated by common drive through pressure plates
Inventor: KOENIG ERNST
IPC: B02C1/04
Filed: 1979-12-20
Abstract: The crusher consists of crushing channels (1) and (2), each formed by fixed jaws (3) and (3a) and swinging crushing jaws (4) and (4a). The swinging jaws are hinged on axles (5) and (5a) with a possible alternative of a common axle (5b). The swinging crushing jaws (4) and (4a) are operated by a common drive (6) in form of an eccentric mechanism (6), acting directly on the pressure plates (7,7a) connected with the swinging jaws (4,4a) in hinges (8,9). One end of each pressure plate (7,7a) is designed as shell (10) and (10a) respectively, working together with the eccentric cam (11) fitted on the shaft (12), the rotation of which produces the swinging motion of the pressure plates and hereby swing the crusher jaws.
Patent DE-2951631-A1 (DE)
Title: Road re-surfacing machine - has sensors to monitor temp. of softened top surface and control heaters and/or speed of machine
IPC: E01C23/06
Filed: 1979-12-21
Abstract: The machine can move forward at a variable rate and has heaters for softening the old surface, followed by scrapers, a shovel blade and a levelling beam. At least one of the scrapers has a temp sensor incorporated on its free end for determining the temp of the softened surfacing material and coupled to a control unit for varying the heat output of the heaters and for the speed of the machine. The temp sensor may comprise a thermoelement which fits into a channel near the end of the scraper or with one of the scrapers itself acting as the thermoelement. The scrapers dig into the softened surface to a depth of about 3cm. Pref. the machine has two heaters mounted at the front, one behind the other, each extending across the full width of the resurfacing path. They are regulated to provide constant heating of the surface both across the width of the latter and in the direction of travel of the machine.
Patent DE-2951716-A1 (DE)
Title: Pressing system to compensate for fluctuations - measures displacement of powder in mould simultaneously with pressure
Inventor: RADEWAHN SIEGFRIED
IPC: B30B11/02
Filed: 1979-12-19
Abstract: The pressing system has the upper yoke (16) of the upper stamp provided with a pressure measuring device (15,17) and the upper stamp with a path measurer (14) designed as a linear potentiometer or similar. The pressure measuring device and the path measurer are connected to a data memory (22). The data memory is connected to a servo motor (24) mechanically connected to a height adjustment device (25) for the matrix (2). The height adjustment device has an adjustable endstop (7,8) that defines the filling volume of the matrix. The result is moulded parts of constant density.
Patent DE-2953575-A1 (DE)
Title: Femur cap for hip joint prosthesis - is shaped to grip spherical stump and has grooved, ribbed or roughened interior
Inventor: PRUESSNER PETER ING GRAD
IPC: A61F2/00
Filed: 1979-04-11
Abstract: The hip joint prosthesis includes a cap (1) mounted without cement on the spherical head of the femur (3). The spherical part is reduced in dia. forming shoulders (14) against which the edges of the opening in the cap fit. The width of the gap between these edges is less than the dia. of the hollow interior (16) of the cap. It approx. equals the dia. of the remaining stump (5) of the spherical head. The inside surface of the hollow interior can incorporate vertical grooves (19) or projecting pointed ribs. The inside surface may be roughened, and may have pores which are larger than 80 microns.
Patent DE-3002029-A1 (DE)
Title: Relay with magnetic path return yoke - has dual-arm holding spring with ends bent in direction of claws engaging armature depressions
Inventor: PIRNER PAUL ING GRAD
IPC: H01H51/06
Filed: 1980-01-21
Abstract: One shank of the yoke forms the core of the relay excitation coil. The relay has an angular armature and a contact support on the free shank of the yoke, carrying switching contact actuated by the armature. On the free shank of the yoke is secured a holding spring, abutting the armature at two contact points in the region of its curved zone. The spring presses the armature on a bearing edge. The holding spring (13) has two arms (14,15), whose ends are bent into claws (16,17), engaging depressions (18,19) forming the armature (7) contact points. The spring has a fastening aperture (21) through a fastening strip (20), connecting the two arms. On the end, away from the claws the spring has a retaining lug (22), engaging a recess (23) of the yoke free shank (3). Preferably the lug is provided in the middle of the spring between both arms. The recess in the free shank may be an aperture, the lug having a Z-shaped bend.
Patent DE-3002255-A1 (DE)
Title: Phosphor doped with isoelectronic defects - esp. zinc cadmium sulphide doped with tellurium, has linear current density brightness ratio
Inventor: BOEHM KONRAD DR RER NAT
IPC: C09K11/00
Filed: 1980-01-23
Abstract: Phosphor has the basic lattice doped with isoelectronic defects. The concn. of these defects pref. is so large that excitons are bound to the defect pairs. Pref. the basic lattice is (Zn(1-x)Cd(x))S and the isoelectric defects are formed by Te atoms. The phosphor is esp. useful in CRTs, e.g. colour TV tubes. Unlike conventional phosphors, it has a linear relationship between the excitation current density and the brightness up to high excitation intensities.
Patent DE-3003480-A1 (DE)
Title: Demountable non-return valve - has threaded pipe connections each end and with double action seal one side of split housing
Inventor: NINOMIYA YOUICHI
IPC: F16K15/04
Filed: 1980-01-31
Abstract: The demountable non return valve has threaded connectors (8,9) at each end to couple to the pipeline and a split central body (2) holding the valve element (3). A securing collar (7) is threaded over the body and clamps the fitting onto the sealing rings (11). The valve is opened by unscrewing the collar and moving the two section laterally. Very little axial displacement is required to service the valve so that the pipeline does not have to be cut and replaced. The valve element is a simple ball (3) moving against a profiled seal.
Patent DE-3007089-A1 (DE)
Title: Sustained-release fertiliser prods. - contg. some components in coated form
Inventor: KABAI DEZSOE T
IPC: C05G5/30
Filed: 1980-02-26
Abstract: Prodn. of NPK fertiliser pellets or granules with prolonged pre-programmed discontinuous release of plant nutrients is claimed. The pellets or granules contain (a) fertiliser salts and granulates in a form immediately available to plants, (b) fertiliser salts and granulates in a form not immediately available to plants, and (c) fertiliser salts and granulates coated with various thicknesses of various materials. Pref. coating materials for component (c) are silicones (oils, greases or resins), triglycerides with a high iodine no., and esters of higher monohydric alcohols with higher monocarboxylic acids. Degradation of silicone coatings can be accelerated by applying a 2nd coating on the silicone coating, where the 2nd coating comprises a mixt. of triglyceride, powdered peat and a silicone-attacking agent (esp. humic acid or KNO3). The pellets or granules can also contain 5-10wt.% powdered peat, 0.05-0.6wt.% finely divided methyl sesquisiloxane, and a minor amt. of talc as pressing aid. The components are pref. mixed at low speed to avoid damage to the coatings. The finished pellets or granules are pref. dusted with an anticaking compsn. contg. powdered peat.
Patent DE-3008604-A1 (DE)
Title: Radio and manual control for mobile electric toy - provides override for preselected stored programme operations or combination of manual and stored programme
Inventor: NEUHIERL HERMANN DIPL CHEM DR
IPC: A63H30/04
Filed: 1980-03-06
Abstract: The programmes are selected by press-buttons and control the direction and figure described by the toy as it moves, e.g. figure of eight, switching of lights, firing of cannon etc. There is also a manual override for steering etc. using a joystick control on the transmitter. Using a combination provides even greater flexibility over degree of turn etc. All programmes can be manually interrupted. The transmitter comprises three units, a pulse stream output for manual commands, a pulse stream output for preset programmes and the HF modulator for transmitting them to the toy. A typical control box has an antenna (2), steering control for forward and backward regulated movement (3), another control for stop and turns (4) together with the various buttons (5) for stored programme selection.
Patent DE-3011205-A1 (DE)
Title: Cavity house wall made of building blocks - has linked connectors protruding from connecting blocks in inner and outer skins
Inventor: SCHNEIDER HEINRICH WILHELM
IPC: E04B2/46
Filed: 1980-03-22
Abstract: The insulation gap between inner and outer shells is spanned by intervening crossarms, in a masonry structure assembled from building blocks, esp. for residential buildings. In the vicinity of the crossarms, there are connecting blocks (16), in both outer (1) and inner (2) shell, with a connecting piece (18) spanning the gap (29). Connecting pieces protruding from the two shells are joined together. Connection blocks may be angular, with one shank in the shell concerned and the other serving as connecting piece; or T-shaped, with stem as connecting piece. The cross arms can prevent displacement between shells.
Patent DE-3013634-A1 (DE)
Title: Heat pump using any fuel - uses fuel to generate steam for driving motor with spring loaded piston and slide valves
IPC: F25B27/00
Filed: 1980-04-09
Abstract: The heat pump is designed so that a wide variety of liquid or solid fuels can be used. It uses the combustion process to generate a vapour. This is then used to drive a motor used in the heat pump. The heat used for condensation of the vapour is completely utilised for central heating. The motor has a piston and cylinder carrying out two working stages at the same time, that is, driving and compressing. The cylinder of the motor houses a piston with its rod projecting from one end, carrying a spring around it, and used to guide the cylinder as it reciprocates. The supply and return of the vapour, e.g. steam, to the cylinder is controlled by slide valves, and the cylinder incorporates two relief valves operating in different directions.
Patent DE-3016133-A1 (DE)
Title: Boiler for blower-fed burner - has open-bottomed container, for heat-transfer medium, with burner above fluid level
Inventor: WAHRMANN HARRI
IPC: F24H1/10
Filed: 1980-04-24
Abstract: The appliance has a blower to feed a burner, which is located in a combustion chamber. It uses a fluid heat transfer medium, into which the flue gases of the flame are fed, and which transfers the heat to a heat carrier. The combustion chamber has a container for the heat-transfer medium which is partly open at the lower end, and has an airtight upper cover. The fluid level is below the burner, which projects into the container through the cover. The outer container wall limits an intermediate space. A heat exchanger containing the heat carrier, is located in the space. The transfer medium flows around the heat exchanger, and the space is connected to a flue at the top.
Patent DE-3019714-A1 (DE)
Title: Steel billet heat recovery equipment - comprises tunnel containing rollers conveyor with water pipes between rollers
Inventor: SCHWERDT WILHELM ING GRAD
IPC: C21D1/00
Filed: 1980-05-23
Abstract: The equipment recovers heat from steel blooms or billets in conjunction with a billet-cooling system, and comprises a billet-conveyor passing through a tunnel in which it is enclosed by pipes through which water flows. The conveyor is of the roller type, the lower pipes (11) being mounted between the rollers (1) and at a level inside their periphery. The rollers can be removable through lateral openings in the tunnel, and the water can be delivered to the pipes at the outlet from the tunnel, while hot water or steam is discharged from them at the inlet from it.
Patent DE-3020981-A1 (DE)
Title: Prefab. heat insulating wall cladding panel - comprises insulating foam or other material, ready for mounting as self supporting unit
Inventor: HANSEN CARL MARTIN
IPC: E04B1/76
Filed: 1980-06-03
Abstract: The panel unit is produced, with adequate stiffening and heat insulation, ready for easy mounting on any external wall, without skill, using simple tools and if appropriate ready for a weather- proofing finish or painting. It is self-supporting. A support structure is made of any suitable material, with insulating foaming or cladding. It can be of any size, in each dimension, and is suitable for new buildings and for renovation of old ones. Cavities and grooves can be cut into the panel, for insertion of tie bars, which may be cemented to the insulating material, providing stiffening.
Patent DE-3022593-A1 (DE)
Title: Sheet stack binding in cover - uses folded cover and automatic insertion without manual handling
Inventor: BERGER HANS-PETER
IPC: B42C11/02
Filed: 1980-06-16
Abstract: The system is for producing a bound stack of a defined number of sheets enclosed in a folded sheet enables the sorted piles to be fed directly to a covering machine without manual handling. A defined number of sheets is cut from a printed roll and stacked on top of each other. The cover(2) is drawn from a stack of covers and its upper side (3) raised so as to leave a gap between the upper (3) and lower (2) sides. The stack of sheets(6) is inverted between the upper and lower sides of the cover in a direction parallel to the line of the fold(5) in the cover. The upper side of the cover is lowered onto the stack and the whole is fed sideways until the edge away from the fold reaches a stop. The folded edge is then bound.
Patent DE-3023899-A1 (DE)
Title: Electric heater for condensation prevention - has heating radiator of good thermal conductivity material, with surrounding ribs on radiator body
Inventor: FERTL KLAUS
IPC: H05B3/50
Filed: 1980-06-26
Abstract: The condensation preventing heater is intended for electric control stations and switchgear and has a radiator with an electric heating element. The radiator (1) is of good thermal conductivity material, with convection ribs (2) radiating in a star shape outwards. The heating element (3) is completely insulated in the radiator, with which its surface is in direct thermal contact. Pref. a PTC resistor is used on the heating element. Its temperature dependent resistance variability is utilised for automatic temperature limiting and self-control of the heating output. In this manner any partial overheating is prevented, while providing a large heat convection surface for the radiator. No additional thermal limit switch is necessary.
Patent DE-3029160-A1 (DE)
Inventor: GOETZ NORBERT DIPL CHEM DR
IPC: C07D231/12
Filed: 1980-08-01
Abstract: A process for the preparation of pyrazoles by reacting a pyrazoline with sulfur or selenium in a solvent.
Patent DE-3030991-A1 (DE)
Inventor: WALES WAYNE FREDRICK
IPC: C04B28/24
Filed: 1980-08-16
Abstract: A preparation for producing or treating casting moulds and similar foundry articles contains at least one silicate component which is a hybrid silicate or a silicyl metaphosphate, mixed with at least one refractory aggregate, as the predominant component; the preparation can contain additives such as surfactants. <IMAGE>
Patent DE-3033547-A1 (DE)
Title: Dual fuel Diesel engine - has speed dependent control giving operation on alcohol at high speeds and on Diesel fuel at low speeds
Inventor: BENNETT KEVIN FRANK
IPC: F02M31/18
Filed: 1980-09-04
Abstract: The engine (10) has injectors (14) for diesel fuel from a tank (12). A pump (18) delivers alcohol from a tank (16) through a pressure regulator (20) and a solenoid valve (22) to the inlet valve (24) of an evaporator (26). It is vapourised by heat from the engine cooling water (60) and injected through a venturi (28) into the engine intake air (30). A regulator (34) controlled (36) by the engine speed controls the diesel injection and the alcohol system. Alcohol is used above a given engine speed and diesel fuel below it. The alcohol pump (18) is controlled by the cooling water temperature (62) so as not to pump before there is enough heat available for evaporation.
Patent DE-3038146-A1 (DE)
Title: Door case mounted child barrier grid frame - has manually operated locking mechanism above frame turning about side spindle
Inventor: BAUER HELMUTH
IPC: E06B9/02
Filed: 1980-10-09
Abstract: Small children's freedom of movement is restricted by a lattice frame detachably mounted on door soffits or doorcases, extending over full width but only part of the height. A vertical pivotal axis, for attachment in the soffit close to one side (B3), has a vertical side of the frame (1) mounted so as to turn about it, but not axially displaceable. Above the top of the frame, out of reach of children, there is a rotary bolting mechanism, releasable by hand. The axis (4) can be a tubular piece rotating about a vertical bearing axis (5) fastened into the soffit or doorcase.
Patent DE-3038480-A1 (DE)
Title: Fabric window blind strips - are used as sun blinds, and incorporate metal threads
Inventor: DRIESSEN ANTON DIPL KFM
IPC: A47H23/08
Filed: 1980-10-11
Abstract: The fabric strips (1) are used as blinds or curtains. They are esp. used to shield a room from the sun, at windows, and they incorporate metallic threads (2,3) which reflect the light away from the room. The threads can be all of metal, or a number of metal threads may be worked into a textile fabric. The metal threads may be made of aluminium. They may consist of a double thickness with one side metal and the other fabric.
Patent DE-3046321-A1 (DE)
Title: Welding hollow thermoplastics sections together - using inserts having lugs which fuse together to strengthen the bond
Inventor: BABINI FELICE
IPC: B29C65/02
Filed: 1980-12-09
Abstract: Hollow thermoplastics sections are welded together, the joined area being strengthened by hollow inserts which are pushed into the ends to be welded. The inserts have lugs which extend over the edges of the sections and which, during the welding are fused together. A strengthened bond is obtd. The inserts can be used to join sections in line or by suitably chamferring the edges to join sections at an angle. The interior of the sections may have ridges which cooperate with recesses of the inserts to accurately locate them.
Patent DE-3101487-A1 (DE)
Title: "Circuit configuration for disconnecting protective earth connections in a cathodic protection system"
Inventor: HORVATH MARTON DIPL CHEM ING
IPC: H02H3/14
Filed: 1981-01-19
Abstract: The invention relates to a circuit configuration for disconnecting protective earth connections, which is incorporated within a cathodic protection system between the protective earth connection and the installation to be protected. The disconnection device contains, firstly, a semiconductor, expediently a diode or a thyristor provided with a triggering circuit, and secondly a thyristor provided with a triggering circuit, said two semiconductors being arranged in an antiparallel connection. Instead of the latter, a triac can be used.
Patent DE-3102319-A1 (DE)
Title: Apparatus for reproducing signals stored on sound carriers
Inventor: REHFUSS HERBERT
IPC: G11B15/12
Filed: 1981-01-24
Abstract: An electric circuit arrangement is proposed, which is used in particular for reproduction in the case of sound-film projectors with duoplay technique. The apparatus has two sound heads (1, 2), which are connected in series and the output signals of which are fed to an amplifier (3, 4). Connected in parallel with one sound head (2) is a controllable semiconductor (10), which can be controlled as a function of the output signal at the sound head (1). This achieves the effect that the signal of the one track is attenuated when there is a signal on the other track. <IMAGE>
Patent DE-3106482-A1 (DE)
Title: Apparatus for changing the position of piece goods and application thereof in a packaging installation
Inventor: UHLIG JOACHIM
IPC: B65B21/04
Filed: 1981-02-21
Abstract: The invention relates to an apparatus for changing the position of piece goods, especially bottles, a conveying apparatus being assigned to a supporting surface, which is designed so as to be pivotable in a plane, at a distance equal to the size of the piece goods item to be taken hold of, which conveying apparatus has an endless conveyor which is guided over deflection and drive rollers and is guided in the engagement region with the piece goods item on a track which is shaped like a segment of a circle and the distance of which from the supporting surface can be modified by means of control devices. The endless conveyor takes the form of a conveyor belt and is supported along its track shaped like a segment of a circle by means of laterally arranged guide rails, which exhibit sufficient play with respect to the conveyor belt in a direction radial to the elastic piece goods item guide. In an installation for packaging piece goods such that they are ready for despatch, there are arranged one behind the other a plurality of groups of apparatuses for changing the positions of piece goods in the same direction, each group changing the position of the piece goods in the opposite direction to the preceding group.
Patent DE-3106915-A1 (DE)
Title: Soil loosening implement
Inventor: KNELL KARL DIPL ING
IPC: A01B11/00
Filed: 1981-02-25
Abstract: A soil loosening implement has at least one tool (2a, 2b; 3a, 3b) attached with the ability for limited pivoting on a supporting frame (1). The tool has a pivoting drive (10) and a forward-pointing loosening share (5). In order to achieve an optimum result with a relatively small tractive force, irrespective of the speed of travel, the pivoting drive (10) is provided only for the forward pivoting of the tool (2a, 2b; 3a, 3b) and the cutting edge of the share (5) lies below or slightly behind the tool pivot (4) on the supporting frame (1) in the forwardmost position of the tool. <IMAGE>