baber/WOPTO huggingface dataset:
Patent DE-4112885-A1 (DE)
Title: Solids discharge valve for silo - is tolerant of material trapped within area of closure seat
Inventor: MOLERUS OTTO PROF DR ING
IPC: B65D90/62
Filed: 1991-04-19
Abstract: The particulate solids handling valve for a silo has a vertical inlet pipe terminating in a valve seat which functions in conjunction with a movable valve member. The valve member is formed as a hollow cylindrical piston (10), with an upper end face (10a) engaging with the valve seat (3). The dia. of piston (10) approximately equals that of the outer dia. of the inlet pipe (9). The lower end face of piston (10) is sealed by folding bellows (13) to a piston locating/mounting plate (15), on which is fastened a post (11) extending through a piston closing lower flue (10b) inside the piston, and provided at the upper end with a transverse plate (11a) against which acts as a helical spring (12) with its opposed end located against the piston closure flue (10b). The annular space enclosed by the folding bellows (13) is able to be pressurised.
Patent DE-4114301-A1 (DE)
Title: Conversion of metastable austenite to martensite, for pressure vessel mfr. - subjecting to oscillating strain pref. at cryogenic temp.
Inventor: MUGHRABI HAEL PROF DR
IPC: C21D7/02
Filed: 1991-05-02
Abstract: Metastable austenite is subjected to an oscillating strain at temps. less than Md (pref. at cryogenic temps.), thereby inducing conversion martensite conversion of the austenite. Md = highest temp. for the martensite formation during working of the steel. Liquid N2 is used as a coolant and process operating temperatures are 273.15K-4.2K, pref. 273.15-11K. Oscillating strain is acheived by cyclic, alternating load deformation in the elastic region, in which amplitude of plastic extension is +/- 5%, pref. +/- 1%, and permanent extension is 0%. The metastable austenite pressurized gas vessel is cooled (pref. with a low temp. cooling agent) to beneath the respective martensitic conversion temp. (Md) and then subjected to cyclic deformation by alternating hydrostatic inner and/or outer pressure, such that permanent extension is pref. 0%. USE/ADVANTAGE - Esp. in the mfr. of pressurized gas vessels with improved tensile strength.
Patent DE-4120731-A1 (DE)
Title: Combined harvester grain tank - has adjustable top sections on all walls
Inventor: AHLE JOSEF
IPC: A01D41/12
Filed: 1991-06-22
Abstract: The grain tank, particularly for a combine harvester, incorporates filling and discharge mechanisms, being roughly square or rectangular in plan view. All the walls have sections at the top, and whose positions are set by adjusting mechanisms (17,18). Those on the tank sides running in the travel direction of the harvester can hinge, while those on the front and rear walls can be slid vertically, being typically telescopic. Movement of the hinging and sliding sections can be synchronised. Adjustment can be by pnematic or hydraulic rams. There can be a cover joining the hinging sections and following their movements. USE/ADVANTAGE - Grain tank for combine harvester fully utilises space provided by increasing wall height, and is remote-controlled.
Patent DE-4127996-A1 (DE)
Title: Distribution structure for water-endangering materials - incorporates through-hole pipe in shaft bottom level with second outlet
Inventor: RECKTENWALD WERNER
IPC: E03F5/02
Filed: 1991-08-23
Abstract: The distribution structure for materials endangering water or drainwater containing them delivers into the drains, a suitable treatment system or a collector basin. It comprises a shaft, a stop valve, also a through pipe with overflow port upstream. A second outlet is provided for when the valve is shut. The through pipe (9) is laid in the bottom part of the shaft (1), to which the second outlet (7) is connected at the same level. The overflow port (12) can form an opening for taking samples. The two outlets (7, 8) can be symmetrically situated in relation to the lengthwise axis of the inlet (2). USE/ADVANTAGE - Simple construction of drain system forgetting rid of materials which might pollute water.
Patent DE-4129705-A1 (DE)
Inventor: FEIN PETER
IPC: E05B77/48
Filed: 1991-09-06
Abstract: A central locking system for vehicles comprises several electric motor operated positioning drives which have in particular a reversible electric motor setting a locking member in one of two end positions. The central locking system also has at least one sender unit, each of which is associated with another sender unit and has a movable sender element which is located in a first rest position when the locking member is in the first end position, and in a second rest position when said locking member is in the second end position. Said element can be operated manually and by the electric motor of the associated positioning drive. The electric motors of the positioning drive are actuated by a central control unit according to the movement of a sender element. In order to simplify manual actuation and reduce the wear of any coupling in the positioning unit, the electric motors can be brought into circuit as soon as the sender element leaves one rest position rather than only when the sender element has reached the other rest position.
Patent DE-4131494-A1 (DE)
IPC: A61B18/14
Filed: 1991-09-21
Abstract: The surgical instrument proposed has a handle (10) in which is fitted an insert (25) which can be moved in the longitudinal direction. The insert (25) is connected to a tube (16) which can be pushed in telescope fashion out of the handle (10) and through which a rod (17) extends. The rod (17) has, in the interior of the insert (25), an engagement section (27). Fitted in the handle are engaging pieces (40,41) which are brought into engagement with the  engagement section (27) of the rod by actuator elements (13,14,15) in order to advance the rod (17) in the tube (16). The rod (17) can be operated with the tube (16) in any position relative to the handle (10).
Patent DE-4131964-A1 (DE)
Title: Inscribing hologram with markings - using laser beam to produce localised breakdown in transparent metallised foil in hologram
Inventor: SCHIPPER WILFRIED DIPL PHYS
IPC: G06K19/16
Filed: 1991-09-25
Abstract: The inscribing method is especially used in holograms of a diffraction grating structure with metallised transparent foil. An embossed pattern is formed in the foil which is bonded to a carrier material. The hologram surface may be personalised by producing an identification pattern or signature in the structure. This can be generated with the aid of a laser beam used to break down the surface in a controlled manner. USE/ADVANTAGE - For identification and authentication purposes. Allows hologram to be personalised.
Patent DE-4136510-A1 (DE)
Title: Fibre-optic accelerometer detecting deflection of seismic mass - responds to misalignment of entry and exit fibres on cantilevered and fixed portions of Silicon@ chip
Inventor: TSCHULENA GUIDO DR
IPC: G02B6/00
Filed: 1991-11-06
Abstract: The accelerometer includes a movable seismic mass (2). The mass is formed pref. by anisotropic etching on a Silicon@ chip (1) to whose edge it is joined by two thin elastic bars (3). Between these an optical fibre (4) is laid in a V-section groove. A second fibre (6), acting as a detecting fibre, is aligned with the first in its neutral position. The second fibre is coupled to a photodetector whose output varies with the deg. of fibre misalignment due to seismic deflection under acceleration. USE/ADVANTAGE - For e.g. reliable deployment of airbag restraints in motor vehicles. Device is easily implemented with satisfactory temp. insensitivity and frequency response.
Patent DE-4138141-A1 (DE)
Title: Chloroform prepn. - by hydrogenating tetra:chloromethane dissolved in inert solvent, in presence of noble metal catalyst
Inventor: LENDLE WILHELM DR
IPC: C07C17/00
Filed: 1991-11-20
Abstract: Prepn. of chloroform by hydrogenation of tetrachloromethane in the liq. phase on a suspended supported noble metal catalyst comprises dissolving tetrachloromethane in a solvent which is inert under the reaction conditions. The solvent is a partially halogenated aliphatic 1-5C hydrocarbon pref. chloroform. The noble metal catalyst contains platinum. ADVANTAGE - No undesired by-prods. are formed.
Patent DE-4205548-A1 (DE)
Inventor: NUERNBERG E PROF DIPL CHEM DR
IPC: A61K8/39
Filed: 1992-02-24
Abstract: The present invention relates to oil-containing bath and shower additives which contain a combination of oil-soluble surfactants and vesicle-forming lipids and, where appropriate, other active substances. These compositions form dispersed vesicles spontaneously on pouring into, and/or dispersing, in water. They are particularly suitable for preparing additives for complete, partial and shower baths.
Patent DE-4211999-A1 (DE)
Title: Reducing hot electron current density of submicron integrated circuits - using surface doping or lightly doped source-drain region in regions under spacer oxide, of the opposite impurity type
Inventor: HWANG LEE YEUN
IPC: H01L21/225
Filed: 1992-04-09
Abstract: The LDD-transistors have a shallow, low density impurity concn. (14) abutting the gate electrodes (12). The spacers (13) function both as implantation masks during a conventional high dose implant for the low resistivity drain/source regions and as sources of an impurity of opposite type so that in drain/source regions. This impurity diffuses (15) into the surface layer of the LDD regions (14). The process claimed is standard except for the use of a doped oxide layer, pref. B-doped or P-doped silicate glass, from which spacers, pref. 150 nm wide, are formed in the conventional way. The impurities contained are then diffused into the LDD-regions before implantation of the deep impurities in the source/drain regions. The LDD regions are pref. formed using As implantation at 40 KeV with a density of 2 x 10 power (13) cm-2 and the high impurity density regons by implantation of 5 x 10 power (15) cm-2 As at 60 KeV. USE/ADVANTAGE - Using the doping effect by the spacers the hot electron current density has been reduced by a factor of e.g. 5, improving the reliability of the LDD transistors. The process is used in the mfr. of high density sub-micron integrated circuits.
Patent DE-4213858-A1 (DE)
Title: Rotary-piston engine - has top regulator receiving piston and turning through semicircle with it before combustion and exit
Inventor: MIERZWA GERHARD
IPC: F02B53/00
Filed: 1992-04-27
Abstract: The rotary-piston engine has two pistons (4,5) coupled directly to the driving shaft (3) and controlled by two regulators (6,7). Combustion takes place between the left surface of the top piston (4) and the inside surface of the top regulator (6), while the intake, compression and exhaust strokes are effected by the two pistons inside the semicircular cylinders (8,9), under control of a crown wheel (10) coupled to the shaft, meshing with top and bottom gears (11,12) coupled to the regulators. The top regular allows the top piston with the compressed-gas mixture thrust before it to enter its open side, and is then turned with the piston inside through 180d eg, so that the piston can pass out again. The bottom regulator similarly turns through 180 deg. to allow passage of the bottom piston. The regulators form partitions between the cylinders. After the working stroke the piston (5) draws the mixture into the cylinder behind it. Compression is continued in this cylidner by the piston (4), while the front of the piston (5) ends discharge of the exhaust gas from the cylinder (8). The crown wheel also controls opening and shutting of the inlet and outlet valves (15,16) and ignition in the combustion chamber. ADVANTAGE - Compact, light in weight, long life and low fuel consumption.
Patent DE-4216109-A1 (DE)
Title: Liq. atomiser with aerosol can - has liq. contg. bag with connection to nozzle in form of screw coupling
Inventor: TUSSINGER PHILIPP
IPC: B05B11/04
Filed: 1992-05-15
Abstract: The atomiser has a liq. contg. bag (8), connected to a nozzle (6) by a communication path, and a squeezing device (16,17) forcing the liq. out of the bag. Pref. the communication between the bag and nozzle is a hose section. The bag may have a pierceable wall region, and the hose may have a pin at its end away from the nozzle, while the bag may have a connector for the hose, with a bayonet, or screw coupling. ADVANTAGE - No environmental pollution and simple handling.
Patent DE-4216850-A1 (DE)
Title: Rain water collecting beaker - has dirty water drain in base of ringed wall section having sloping walls and has cover set on supports lying on wall rim
Inventor: SCHNITZSPAN HANS GUENTER
IPC: E03F5/10
Filed: 1992-05-21
Abstract: There is a dirty water drain (2) which is fed from the ring wall (5) as the inner diameter of the wall is the same as the diameter of the drain. The wall outer diameter is 0.18 - 0.4 times the inner diameter of the beaker (1). A support (9) for the beaker cover is arranged centrally on the rim of the wall. The upwards sloping outer walls (7) of the ring wall slopes at an angle of 45 deg. and the inner walls slope at an angle of 30 deg.. ADVANTAGE - Provides for constant cleaner water and because of this drain, the height of the dirt collector does not need to be altered.
Patent DE-4216952-A1 (DE)
Title: Vertical conveyor for steady delivery of goods - has rotatable funnel which can be elevated or lowered, with offset discharge opening and baffle plate above
Inventor: SCHMIDT LOTHAR
IPC: B65G69/16
Filed: 1992-05-22
Abstract: The conveyor for the vertical delivery downwards of goods arriving in a continuous stream, comprises a rotatable funnel (13) with an offset discharge opening (14). The funnel can be raised or lowered. There is an ultrasound detector (10) near the outside of the funnel. The rotating drive for the funnel is attached to a bedplate (4) driven up or down by a linear drive (1, 2). Above the discharge opening is a baffle plate (15), inclined inwards. Both this and the inside surface of the funnel are coated with a rubbery elastic material. Under the baffle plate is a heavy curtain (16) (earthed curtain). There is a rubber-coated apron at the radial outside edge of the discharge opening. ADVANTAGE - Rapid steady delivery of identical symmetrical goods.
Patent DE-4221733-A1 (DE)
Title: Folder for transparent presentation sheets - has built=in illumination provided by thin battery powered electroluminescent panel forming on-cover of folder holding number of sheets.
IPC: G03B21/64
Filed: 1992-07-02
Abstract: The folder is produced as a one piece unit having a pair of cover sections (1, 2) formed with a central hinge section (3). One cover has a pocket section created (7) in which a number of transparent display sheets, e.g. overhead display sheets, may be stored. The other cover is formed as an illuminated panel onto which display sheets may be placed for viewing. The panel is an electroluminescent display sheet (8) that is supplied with power by a thin, sheet type battery panel (9). When not in use the covers can be placed against each other to enclose the stored display sheets. ADVANTAGE - Has built-in illumination source. Uniform illumination. Light generated is esp. similar to daylight so that display sheets are illuminated in their true colours.
Patent DE-4231270-A1 (DE)
Title: Needle valve for hot runner nozzle to inject thermoplastic into mould - has bored needle containing inner needle whose nozzle end widens out to produce very narrow annular gap for flow of compressed gas feed
Inventor: WOLFF HANS-MARTIN
IPC: B29C45/17
Filed: 1992-09-18
Abstract: The hot runner nozzle with needle valve, for the injection of thermoplastic melt into moulds, has main body with the runner and a valve mouthpiece at the end with closure needle; the needle is moved axially in a bore of the nozzle body by means of a drive arrangement. The needle itself has a longitudinal internal bore which ends by the nozzle with an outlet with dia. less than 0.1mm; its other end is connected to a pressurised gas supply. The enlarged view of the valve needle shows it (5) as it moves to open/close the mouthpiece in the heated nozzle body. It is moved by a rod which is operated by two hydraulic cylinders. It (5) is bored centrally (14) along its whole length and contains another finer needle (15), the top end of which has a head (16) to close it off. ADVANTAGE - The design enables pressurised gas to be injected into the shot to prevent collapse of thicker parts while they cool in the mould. It can be used even for sprue-less moulding without necessitating insertion of the needle into the thicker parts of the moulding.
Patent DE-4232827-A1 (DE)
Title: Circularly polarised local antenna arrangement for nuclear spin tomography appts. - has array of three or more linearly polarised coils overlapped to achieve geometric decoupling.
Inventor: WANG JIANMIN DIPL ING
IPC: A61B5/055
Filed: 1992-09-30
Abstract: The antenna arrangement consists of an array of at least three linearly polarised local coils (20-23) which overlap each other to the extent that they are geometrically decoupled. Each local coil is separately connected to a combination network (36). The network performs a complex combination of the output signals of the three local coils resulting in high frequency output signals (b5,b6) which represent circular polarisations. USE/ADVANTAGE - For nuclear spin tomography device. Antenna arrangement is designed for problem-free decoupling between individual elements.
Patent DE-4233073-A1 (DE)
Title: Semiconductor modular structure prodn. - by convexly shaping and bonding in single hot pressing operation
Inventor: KUHNERT REINHOLD DIPL PHYS DR
IPC: B23K20/00
Filed: 1992-10-01
Abstract: Semiconductor bodies are bonded to the metallisation of a metallised ceramic substrate bonded to a metallic base plate. The base plate is convexly shaped by a press ram. The semiconductor bodies (4), the ceramic substrate (2) and the base plate (1) are placed in an elastomeric pressing mould (5). A heated press ram (7) with a concave surface is positioned on the base plate. At least the base plate (1) and the substrate (2) are deformed and bonded at an elevated temp. by the pressure of the ram (7). Pref., metal layers are provided between the semiconductor bodies (4), the metallisation (3) and the base plate (1) to cause bonding of these parts by pressure sintering or diffusion welding. Alternatively, the semiconductor bodies (4), the metallisation (3) and the base plate (1) are soldered before placing in the mould (5) and deformation is carried out at below the melting temp. of the solder. ADVANTAGE - Convex shaping effected in single operation.
Patent DE-4233110-A1 (DE)
Title: Measuring electrical conductivity of liquids, esp. electrolytes - comparing conductivity values obtained for two different ac current frequencies to detect measurement errors
Inventor: RIESE BURKHARD
IPC: G01R27/22
Filed: 1992-10-02
Abstract: In the electrical conductivity measuring method, a base a.c. current with a defined base frequency is fed into the liquid and resulting base a.c. voltage drop across the liquid is measured. The conductivity is derived from the quotient of the current and voltage. An alternative current with an alternative, adjacent frequency different by about 20 percent is introduced and the resulting voltage measured and conductivity derived. The derived conductivity values for the base and alternative currents are compared to detect erroneous measurements. ADVANTAGE - Automatic and simple detection of measurement errors.
Patent DE-4240587-A1 (DE)
Title: Prepn of aromatic polycarbonate from di:phenol and di:aryl carbonate, in melt - in presence of catalyst, with passage of large current of inert gas through melt
Inventor: ALEWELT WOLFGANG DIPL CHEM DR
IPC: C08G64/20
Filed: 1992-12-03
Abstract: Aromatic polycarbonates are prepd. in the melt from diphenols, diaryl carbonates and opt. branching agents, at 130-400 deg. C, in presence of catalysts and of inert gases, using the inert gas in amt. of at least 0.5 N cubic m/kg of oligocarbonate-polycarbonate melt/h. The process is continuous, in at least 2 stages, with the inert gas fed in countercurrent to the highly viscous to low viscosity polycarbonate. The inert gas stream is freed from monophenols and residual monomers by washing with a diaryl carbonic acid ester melt, and this melt, loaded with monophenols and residual monomers, is recycled into the synthesis as raw materials. USE/ADVANTAGE - The oligocarbonates obtd. can be used as intermediates in organic syntheses or as additives. The polycarbonates can be extruded or injection moulded, e.g. to films or plates. The mouldings are esp. used in the optical and electrochemical fields and in building. Polycarbonates are obtd. without appln. of a vacuum.
Patent DE-4240619-A1 (DE)
Title: Centering aid for steering servo valve - has centering groove in end face of valve sleeve and with spring loaded centering plug in plate rotating with steering column
Inventor: SCHOEFFEL JOERGEN
IPC: B62D5/083
Filed: 1992-12-03
Abstract: The steering control valve has a torsion shaft (3) clamped between the steering column (2) and the output steering shaft (4) and with a valve inner rotating inside a valve sleeve attached to the output shaft. The centering aid has a plate attached to the input shaft and with a spring loaded plunger (25) to monitor a centering groove (30) in the end face of the valve sleeve. The spring-loaded plunger has a profiled end face to locate a bearing (31) which is pressed into the V-section groove. The groove profile alters to either side of the centre point. No attachments are required on the torsion shaft. USE/ADVANTAGE - The centering aid is a simple addition to the steering valve and does not alter the operation of the valve.
Patent DE-4241410-A1 (DE)
Title: Road vehicle with hydraulically operated brakes and brake warning lamps - gives prompt warning to following driver by either flashing or periodic increase and decrease of brightness
Inventor: REBER MARTIN
IPC: B60Q1/44
Filed: 1992-12-09
Abstract: A pressure gauge (3) in the hydraulic brake line (2) is connected to an electric controller (4) which receives a signal when the braking pressure attains a predetermined threshold. If the prescribed min. number of brake warning lamps (5) only are installed at the rear of the vehicle, these are switched on with a brightness which varies periodically between min. and max. intensity. If additional brake warning lamps are fitted, these are flashed on and off. USE/ADVANTAGE - Esp. at night or when visibility is limited, e.g. in fog, safety is enhanced with a following driver enabled to recognise a sharply braked vehicle in good time.
Patent DE-4242995-A1 (DE)
Title: Coupling for connecting tractors to appliance
Inventor: MIKESKA FELIX
IPC: A01B59/06
Filed: 1992-12-18
Abstract: The second Cardan shaft half (25) connected to the output shaft (18) of the tractor is held in the uncoupled state by a spring bar (32) which matches the cross-section of the second cardan shaft half being held to engage at least partially with a keyed connection around it. The spring bar is fixed by a holder (40) on the frame part (4) on the tractor side. In the uncoupled state, the spring bar holds the second cardan shaft half at a distance (A) from the tip (49) of the inverted V-shaped frame part which is less than the distance (B) in the coupled state.