baber/WOPTO huggingface dataset:
Patent DE-2843468-A1 (DE)
Inventor: MUECK KARL-FRIEDRICH DR
IPC: C07D323/06
Filed: 1978-10-05
Abstract: A process for the simultaneous synthesis of trioxan and cyclic formals is provided, which comprises reacting a mixture of concentrated formaldehyde and diol and/or epoxide with acid catalysts at a temperature of from 30 DEG  to 150 DEG  C.
Patent DE-2846659-A1 (DE)
Title: Powder filled capsule for use as extrusion blank - for making stainless steel or nickel-chromium alloy tubes, is isostatically pressed after filling
Inventor: ERIKSSON HANS
IPC: B22F3/12
Filed: 1978-10-26
Abstract: The blanks are extruded into tubes or bars made of stainless steel or alloy steel with high Ni content, and esp. heat resisting tubes contg. 80% Ni, 20% Cr, and used in heat exchangers. The capsules are made of sheet metal, 1-2mm thick, contg. 0.015% C, esp. 0.004% C, and have a peripheral bulge. The capsule is filled withspherical grains of metal or alloy powder made by shotting, esp. in Ar atmos and the powder may include ceramics. The filled capsule is vibrated at 80-100 Hz, so that powder has 60-71% of the theoretical density, and is then sealed and cold isostatically pressed at >=4000 bars, pref. 4500-5000 bars, to attain min. 80-93% density. The bulge on the capsule disappears during the pressing operation. Defects are reduced due to the use of a bulge-free blank and the tubes have precise dimensions.
Patent DE-2847555-A1 (DE)
Title: Typewriter with incrementally movable carriage - has resilient guide elements including ball bearings between cooperating grooves on carriage and on body
Inventor: JENDBORN ROLF INGVAR
IPC: B41J11/22
Filed: 1978-11-02
Abstract: The body of the typewriter includes two parallel rails (14, 15) which have V-shaped grooves (16, 17) in their confronting surfaces. The carriage has two similar V-shaped grooves which face the respective grooves of the body. Between each pair of cooperating grooves is a guide element with at least two ball bearings which roll along the grooves when the carriage moves. The guide element is resilient and allows limited relative movement of the ball bearings in the longitudinal direction.
Patent DE-2902396-A1 (DE)
Title: Elastic seal proof against high temp. and corrosion - having carbon fibre reinforced carbon and flexible graphite sections
Inventor: EICHER HUGO ING GRAD
IPC: F16J15/34
Filed: 1979-01-23
Abstract: Upper section of the body of a sealing ring consists of C fibre reinforced C, whilst the lower section consists of flexible graphite. Sealing ring or body is supported in a guide in which it is movable, and it is temp. and corrosion proof. Where seals of elastomers have been found to be inapplicable, metal and ceramic seals have been used but these are either prone to corrosion or brittle. The present seal overcomes the disadvantages of the others and is in addition highly elastic.
Patent DE-2911631-A1 (DE)
Title: Flowmeter for measuring e.g. induced air of IC engine - uses temp. dependent resistor comprising heating wire supported in probe ring and included in bridge circuit
Inventor: HAFNER UDO ING GRAD
IPC: G01F1/684
Filed: 1979-03-24
Abstract: The appts. for the measurement of the rate of flow of a medium, e.g. inducted air of IC engines, comprises a temp.-dependent resistor in the flow path and the temperature and/or resistance of which is regulated in dependence on the rate of flow, in which a setting magnitude of the resistor is a measure of the rate of flow. The resistor is an element of a bridge circuit connected to a direct voltage source through a multiple plug (47) arranged on a tubular body (38) defining the flow path. Provided on body (38) is a terminal box (40), containing a regulating hybrid switching circuit (42) on a mounting plate (4) and connected via a conductor plate (52), with the shortest possible current tracks (53), with the multiple plug (47) and with the elements of the bridge circuit. Secure contacting is obtained with low source resistances, interference from stray induction, e.g. from the ignition system is reduced.
Patent DE-2911782-A1 (DE)
Title: Dummy coupling linkage for model electric locomotive - uses gear train to couple drive wheels while linkage runs free
Inventor: HEER GUENTER
IPC: A63H19/10
Filed: 1979-03-26
Abstract: Two counter-shafts in the frame of a model electric locomotive, carry idle-gears which mesh with three larger gears attached to the shafts of the three pairs of driving wheels. Thus the driving wheels are coupled together. For the sake of realism, the driving wheels drives a dummy coupling-rod linkage. This linkage coupled cranks on the driving wheels and via an A-frame, two drive cranks. The drive cranks are on discs which run freely on the ends of the idler gear countershafts. The crank discs are enclosed in a plastics 'spectacle-frame' like housing fixed to the locomotive.
Patent DE-2920098-A1 (DE)
Title: Weighing chips during chipboard mfg. gluing and compression - using single weighing device and swivelling auxiliary containers
Inventor: MELZER GERHARD ING GRAD
IPC: G01G13/24
Filed: 1979-05-18
Abstract: A device for a weighing machine enables a single weighing machine to be used for monitoring and distributing chips being glued and compressed to make chipboard where previously each container used had to have an individual weighing device. A fillable central container is fixed to the support for the intermittently arriving weighing material. Independently mounted auxiliary containers can receive material from the central one and can be placed on the support by use of a swivel mounting. A central swivel mounting may be used for all auxiliary containers. A swivel shaft connected to >=1 auxiliary containers can be rotated in two directions by a link connected via an adjustor to a fixed point. If an odd number of containers is used then the even-numbered ones have a central swivel point.
Patent DE-2926906-A1 (DE)
Title: Sand mould riser liners - filled with gasifying expanded polystyrene for easier handling
Inventor: ZECHEL FRANZ
IPC: B22C9/08
Filed: 1979-07-03
Abstract: Insulating liner sleeves for the risers of sand moulds in foundries form a space to supply metal to compensate for contraction on solidification. The sleeves are pref. initially filled with a plastic which is converted to a gas at the metal pouring temp. The pref. plastic is a foam such as expanded polystyrene in a special formula for foundries. This makes it possible to apply a liner anywhere in a mould without risk of sand filling up the liner space. It also facilitates their application in conjunction with sand slingers.
Patent DE-2936227-A1 (DE)
IPC: A23N1/02
Filed: 1979-09-07
Abstract: The preparation device for pomegranates, passion fruits or citrus fruits consists of a drop pipe (16) for charging and feeding the fruits and a cutting device (19) adjacent thereto. Arranged under the cutting device is a crushing device (22) which crushes the fruits and downstream of which the fruits are fed to a sieve device whose perforation permits the juice sacs which are separated from the fruit mass to pass through. Connected upstream of the drop pipe (16) is a conveying device. The drop pipe (16) is provided with a diameter which is approximate to the size of the fruit and has a centring and acceleration device (17) over the cutting device (19). Arranged below the sieve device which is provided with a sieve drum (26) is an upwardly open conveyor channel (36) for the fruit sacs to be transported. The sieve drum (26) which is inclined downwards in the through-direction is provided at its lower end with a conveyor element (34) for transporting away the useless parts of the fruit. <IMAGE>
Patent DE-2937842-A1 (DE)
Title: Artificial ear bone - having plate with groove in side away from stem and hole drilled through both
Inventor: PLESTER DIETRICH PROF DR MED
IPC: H04R25/00
Filed: 1979-09-19
Abstract: Bone is in one piece, comprising a plate on which a stem is mounted. The plate has >=1 grooves on the side away from the stem, and a drilling passes through both. There can be a series of parallel grooves in the plate, and the stem can be at approximately 30 degrees to a line perpendicular to the plate, the grooves running parallel to a plane through this line and the stem axis. Drilling can be coaxial to the stem and of constant cross-section.
Patent DE-2943546-A1 (DE)
Title: Seat or bed with adjustable back and foot rest - incorporates automatic release and lock movably mounted in sleeves
IPC: A47C20/08
Filed: 1979-10-27
Abstract: The chair or bed, for example for invalids, has a back-rest, middle section and foot-rest which are positioned next to each other and pivot on at least one axle. The back-rest (1) and foot-rest (3) can be pivoted separately at the same time and locked in any tilt angle. An automatic release and lock (22,47) are for adjusting the backrest (1) and foot rest (3). A release and lock (21,32) (23,34) are positioned on an axle (16) for the back rest (1) and foot rest (3). The release and locks are movably mounted in a sleeve each.
Patent DE-2944244-A1 (DE)
Title: Solar heat storage vessel control system - cuts pumps in successively when primary circuit temperature is higher
Inventor: REUSCH HEINZ DIPL ING
IPC: F24D19/10
Filed: 1979-11-02
Abstract: The system controls the charging of a storage vessel in a solar heating system, a collector with pump in a primary circuit being connected to a heat exchanger, whose secondary circuit with pump is connected to the vessel. The pumps are controlled by temperature detectors for the outlet temperature of the primary circuit and for the vessel temperature. The controller (13) cuts in the primary pump (3) as soon as the temperature at the primary circuit detector (6) is greater than at the vessel detector (10). After a fixed time delay, the secondary pump (8) is then cut in. Both are cut out when the temperature at the primary detector is the lower.
Patent DE-2944845-A1 (DE)
Title: Bucket wheel excavator system - has wedge-shaped front cutting edge with straight control section
Inventor: MUELLER ROLF DIPL ING
IPC: E02F3/24
Filed: 1979-11-07
Abstract: The excavator has a longitudinal wheel which acts at an angle to the working axis of the wheel outrigger. The front cutting edge (1) of the bucket (3) is roof-shaped. The angles between the flanks (7, 8) of the front edge, and the vertical on the longitudinal wheel axis (4); are of the same size as, or alternately smaller/larger than, the angle between the longitudinal wheel axis and the working axis (5) of the wheel outrigger (6). The central section of the front cutting edge is straight, and the edge as a whole is formed, by the arrangement of appropriately formed corner blades.
Patent DE-2948697-A1 (DE)
Title: IC engine ignition distributor with pot-shaped housing - has pole disc with teeth, permanent magnet, and stator plate between bearing plate and toroidal coil
Inventor: KAISER HARRY
IPC: F02P7/067
Filed: 1979-12-04
Abstract: The distributor shaft (3) extends in the ideal long centre axis of the pot-shaped distributor housing (1). The latter contains an inductive control generator for triggering the ignition steps, fitted with a rotor (7) and a stator (6). The rotor has a peripheral pole teeth (9) and is adjustable on a carrier sleeve (4) by a centrifugal regulator (5) over a certain angle of rotation. Starting from the bottom of the distributor housing, the stator consists of a fixed bearing plate (10), a pole disc (11) with teeth (12) directed towards the rotor, an annular permanent magnet (13), a stator plate (14) pressing the permanent magnet against pole disc, and a toroidal coil (15) between the stator plate and the rotor. This coil is firmly connected to the bearing plate, while the pole disc, the permanent magnet and the stator plate form a module, angularly adjustable by an underpressure measuring case (22).
Patent DE-2950050-A1 (DE)
Title: Bulk material container outlet funnel - has rigid vibratory plates forming part of funnel wall, with individually adjustable vibrators
Inventor: SAUER GUSTAV ING GRAD
IPC: B65D88/66
Filed: 1979-12-13
Abstract: The outlet assembly is intended for a container (2) holding bulk material and having a funnel-shaped outlet. It comprises one or more rigid vibratory plates (1) which form part of the funnel wall. Each plate may be surrounded by and secured to resilient seal strips (3) and may be held via additional resilient supports (4). Each plate may have its individual vibratory drive (7). The direction of vibration may be adjustable between normal and parallel to the plate surface to optimise movement of the material. The vibration frequency and/or amplitude and/or direction of individual drives may be adjustable.
Patent DE-2952116-A1 (DE)
Title: Liquid dopant for high phosphorus doping of silicon semiconductor - contains ethyl orthosilicate, solvent and aq. phosphoric acid, esp. for spin-on coating
Inventor: KUISL MAX DR RER NAT
IPC: C30B31/02
Filed: 1979-12-22
Abstract: Liq. dopant for Si semiconductor, consisting of ethyl orthosilicate (I), a solvent (II) and an acid aq. phase (III) for the prodn. of a layer highly doped with P, contains a high concn. (ca. 3 mole/l) of P in the form of H3PO4 and tre amt. of water is about the same as that of (I). The vol. ratio of (I), (II) and (III) is pref. ca. 3:8:3. After application, the coated semiconductor is placed in a doping furnace heated to 900 deg.C and heated at a rate of ca. 4 deg.C/min with pure O2 as carrier gas, which is replaced by N2 contg. 20% O2 on reaching the diffusion temp. (1050 deg.C). The dopant is specified for application by the spin-on process, when there is no turbidity. The high level of P doping is useful for layers with low ohmic surface resistance, e.g. for emitter diffusion of Si transistors.
Patent DE-3001302-A1 (DE)
Inventor: SEIB KARL DIPL CHEM DR
IPC: A61K9/08
Filed: 1980-01-16
Abstract: 1. The use of compounds of the formula I  see diagramm : EP0032658,P4,F1  where R**1 and R**2 are identical or different and each denotes a tert-alkyl of 4 to 6 carbon atoms, R**3 is hydrogen or alkyl of 1 to 3 carbon atoms, and A is the radical of a polyethylene glycol containing 10 to 100 ethylene oxide units, as solubilizers for oil-soluble cosmetics and pharmaceuticals.
Patent DE-3002227-A1 (DE)
Title: Printed circuit board waste material recovery - cutting up and granulating with metal separation followed by grinding remaining granules and forming impregnating paste
Inventor: VIRSIK PETER DIPL ING
IPC: B29B17/02
Filed: 1980-01-23
Abstract: Waste material is recovered for making printed circuit boards. The material is recovered from copper covered and non-covered laminated plastic material. The waste material is cut up and granulated and the heavy part including the metal is separated by an air current. The metal is separated from the coarse particles by screening. The coarse and fine non metal powder is combined and milled to a fine powder, and dissolved in a resin solution and used as a paste for impregnating the paper layer. The waste material is initially granulated to a grain size of less than 700 microns. The non-metal material is separated as finer particles of up to 300 microps in size, and the fine powder has a particle size of about 100 microns. After dispersion with the resin solution, its max. grain size is a max. of 50 microns.
Patent DE-3005628-A1 (DE)
Title: Picture or photograph frame - retains picture and glass between magnetic frames fitting inside wooden frame
Inventor: UPPSTROEM LEIF RAGNAR
IPC: G03C11/14
Filed: 1980-02-15
Abstract: A frame for a photograph or pictures etc., consists of an outer frame of wood (3) which is glued to a back board (1). An inner frame (4) of magnetic material is placed inside the outer frame (3) and abuts against the front surface (2) of the back board (1). The photograph (6) is placed inside the inner frame (4) and covered with a sheet of glass (7). The photograph (6) and glass (7) are retained by a flat frame (8) of magnetic material which fits on top of the glass (7) inside the outer frame (3).
Patent DE-3006423-A1 (DE)
Title: Mobile fume extn. hood - which can be driven along factory roof for use above one of several items of plant in factory
Inventor: RUFF WOLFRAM
IPC: B08B15/00
Filed: 1980-02-21
Abstract: Separate items of plant located at different zones in a factory produce waste gases or fumes periodically, but never simultaneously e.g. a row of converters in a steelworks; casting plants in foundries; glass melting units; or electrolysis cell used for winning Al. When one of the items of plant is about to create fumes; a fume extn. hood is driven by remote control to a position above or adjacent to that item to collect all the fumes. A pref. hood can be driven by a motor along rails located on the roof of a factory; and a roof opening is provided above each individual item of plant. Hood has an exit duct mating with a common duct provided with a suction fan leading to a gas purification plant. Used esp. for a factory for recovery of Al.
Patent DE-3008309-A1 (DE)
Title: Light barrier detecting mechanical movement of machine parts - has identical coupled housings for light-emitting semiconductor and photodiode
Inventor: CUNO HANS-H DR
IPC: G01J1/02
Filed: 1980-03-04
Abstract: The light barrier has a light-emitting semiconductor and a photocell contained within two identical housings (10) which are mechanically coupled together, either directly or via an intermediate element. The coupling surfaces of the housings and/or the intermediate element incorporate position adjustment means. Pref. each housing (10) is L-shaped and comprises a conductor band (1) combined with a plastics block (2) having a recess (7) for contg. the light-emitting semiconductor or the photocell near the top of one arm facing inwards. The end face of the other arm comprises the coupling face and has a number of conical pegs and corresp. conical apertures cooperating with complementary apertures and pegs of the other housing (10). The two housings may be of different colours.
Patent DE-3009007-A1 (DE)
Title: Glass or plastics sealed with aluminium or plastics foil - using cold sealant applied to beaker rim and foil edge
Inventor: SCHWINN GEORG
IPC: B65B7/28
Filed: 1980-03-08
Abstract: Plastics, glass or similar vessels are closed and sealed by first applying a cold sealing material onto the rim, and then placing onto this a covering foil precoated on its side towards the rim with a cold sealing mass; the foil is then briefly pressed onto the rim. The preferred sealing mass is an aq. dispersion, subsequently dried. The foil may be of aluminium 30-60 (40) microns thick, or an aluminium band 9-20 micron thick coated on its rear face with paper 30-60 (50) microns thick. Alternatively, the foil may be PVC or polyethylene, esp. a polyethylene foil with a polyvinylidene chloride facing on one side. The method is partic. suitable for glass and plastic beakers and enables the closure to be carried out at a high prodn. rate.
Patent DE-3013060-A1 (DE)
Title: Ice formation prevention system for power transmission lines - using wattless current due to voltage increase to heat lines
Inventor: WEISBROD MANFRED
IPC: H02G7/16
Filed: 1980-04-03
Abstract: The method of preventing ice formation on overhead electrical distribution lines, uses heat generated by current passing through the lines themselves. At each end of a line are connected transformers with tappings to enable voltages of e.g. 10 kV, 20 kV, 100 kV or 380 kV to be transmitted. They are connected to collector lines with branches for different consumers. The voltage can then be increased so that the line is heated by the wattless current passing through the ohmic resistance of the line. In an alternative system, the line may be connected to parallel generators each with an internal resistance and which can be operated so that one is operated at a higher voltage than the other. The resulting equalising current then heats the line.
Patent DE-3013260-A1 (DE)
Title: Residual charge remover for photocopier - has monitor and applies half-wave rectified signal followed by small amplitude AC signal to remove charge
Inventor: KANAZAWA YUKIO
IPC: G03G21/06
Filed: 1980-04-03
Abstract: The residual charge remover for a process drum in a photocopier has a monitor to determine the level of charge, and the polarity. The charge is then removed by a half wave rectified signal with additional preparation of the drum provided by a small amplitude AC signal. The rectified signal provides a rapid and efficient removal of most of the charge while the AC signal ensures complete removal. The small AC signal ensures that the photo-sensitive layer is not aged prematurely and provides a high resolution copies.
Patent DE-3019215-A1 (DE)
Title: Polypropylene compsn. contg. fly ash and porophor - e.g. diazo:carbamide or sawdust, used as building insulating material
Inventor: RESZNIAK WALDEMAR
IPC: C04B26/04
Filed: 1980-05-20
Abstract: Insulating material for the building industry comprises a thermoplastic compsn. comprising 50-80 (wt.)% fly ash, 0.05-5% organic porophors, e.g. diazocarbamide (or 10-30% saw dust or wood shavings acting as porophor and having 50% relative humidity) and 8-40% polypropylene. The compsn. use industrial scrap which is otherwise discarded or cause pollution. The material has closed cells, good dielectric properties, mechanical strength, resistance to wear, is hydrophobic and has good casting characteristics. It can be used for parcelling, flooring or roofing.
Patent DE-3029266-A1 (DE)
Title: Catalysts for hydrogenating aromatic-contg. petroleum feeds - comprising combination of supported and unsupported nickel-tungsten oxide components
Inventor: BECKER KARL DIPL CHEM DR
IPC: B01J35/00
Filed: 1980-08-01
Abstract: Catalysts for hydrogenating aromatics in N- and S-contg. feedstocks (e.g. diesel oil or vacuum gas oil) at H2 pressures of 5-30 MPa comprise a powdered mixt. of (a) an unsupported NiO-WO3 component and (b) a NiO-WO3-Al203-SiO2 component. (a) pref. comprises 30-70 wt.% NiO and 30-70 wt.% WO3. (b) pref. comprises 2-5 wt.% NiO and 15-30 wt.% WO3 supported on an amorphous aluminosilicate contg. 5-50 wt.% SiO2 and 50-95 wt.% Al2O3. The (a):(b) ratio can be 4:1 to 1:4. The catalysts are pref. used in the form of pellets prepd. from a mixt. of (a) and (b) with a particle size below 0.1 mm. The catalysts have high hydrogenation activity (similar to that of noble metal catalysts), good resistance to N and S poisoning, high mechanical strength and good activity stability.
Patent DE-3034710-A1 (DE)
Inventor: WOESSNER KURT
IPC: E01D19/04
Filed: 1980-09-15
Abstract: Two weight-carrying bearing plates (3, 5) are present, one of which has a closed plastic or metal sliding surface of low roughness and high ability to slide, while the other bearing plate is provided with a plastic layer (4) having a low coefficient of friction which has recesses (14) which are open towards the sliding surface and are interconnected by ducts (21), and the recesses being connected, via the ducts (21) connecting them, to at least one lubricant supply duct (16) which is arranged in the lower bearing plate (5) and is accessible from the outside. In order that the use of special operating personnel on site and thus the mounting of scaffolds and safety devices for this personnel can be forgone, the lubricant supply duct (16), which is accessible from the outside, is connected via a lubricant pressure line (11) to a lubricant storage container (10) and at least one lubricant pump which is connected to one of the bearing plates (5) and is driven via a tensionally and compressively rigid linkage (18, 19) by the temperature-dependent relative movements of the other bearing plate (3). <IMAGE>