baber/WOPTO huggingface dataset:
Patent DE-3935036-A1 (DE)
Title: Plough for coal  mixing - has detachable tools supported by articulated skid connected to body by tongue=and=groove joints
Inventor: SIEPENKORT GERHARD
IPC: E21C27/34
Filed: 1989-10-20
Abstract: The plough is used for coal mining. It is equipped with detachable tools supported and by an articulated skid which is fixed as an interchangeable wearing strip to the body of the plough, and can be swung up high. The skid (14) is connected to the body (12) by detachable hinges (19,30), and at its ends is tongued (21,33) to fit in grooves behind lugs (32,22). USE/ADVANTAGE - Plough with detachable tools and skid used for coal mining. The exchange of the skid is facilitated by its form and its connection to the body.
Patent DE-3937826-A1 (DE)
Title: Connection for guide struts fixed to floor - is used for shopping trolleys and consists of central two half steering part and T=shaped groove
Inventor: ERTLE KARL ING GRAD
IPC: E04F19/06
Filed: 1989-11-14
Abstract: The connection-unit for floor-fixed guide struts (14) for shopping-trolleys etc has link sections (10) joined to the guide struts (14) and fixed to a central two-half steering part (2).  When the two identical halves (3) are placed together, the interface (4) has a circular, back-tapered T shaped groove (9) in into which fit protuberances (11) on the link sections (10). USE/ADVANTAGE - The connection unit has no rails or screws.
Patent DE-4001549-A1 (DE)
Title: Electronic starter circuit for discharge lamps - has PWM integrated circuit with frequency varied to adjust brightness
Inventor: ALBERT DIETER DIPL ING
IPC: H05B41/282
Filed: 1990-01-20
Abstract: An electronic starter circuit is used for the control of low voltage discharge lamps, i.e. fluorescent lamps, that can be used with d.c. or a.c. supplies. For a.c. supply a bridge rectifier (D5-D8) provides an input to windings (L3) an integrated circuit (IC2) and a diode (D9) to provide a charge voltage ((UBr). For d.c. voltage operation, a voltage is gated via a transistor (T4) to the capacitor (C3) with controlled charging. A PWM integrated circuit (IC1) is controlled by a dimmer input to vary the frequency. ADVANTAGE - Improved control of dimming action.
Patent DE-4006292-A1 (DE)
Inventor: KANAYA YOSHIHIRO
IPC: F24C7/02
Filed: 1990-02-28
Abstract: An oven has a plurality of heat sources for cooking inside an oven chamber, the capacities of said heat sources being arranged to be capable of independent control, the operating time thereof being arranged to be set by a timer, wherein heat sources not operated or operated at a reduced capacity are operated substantially at their full capacities for a predetermined period of time before or after a cooking time set by the timer has elapsed.
Patent DE-4007525-A1 (DE)
Title: Bearing support for central arm rest of vehicle seat - incorporates lipped friction element to engage bush
Inventor: MEISEL MICHAEL DIPL ING
IPC: B60N2/75
Filed: 1990-03-09
Abstract: The bearing support is for a central arm rest in a vehicle seat.  The swivel bearing (4) consists of a bearing bush (7) and a friction element (8) which engages the bearing bush and partly lies against the inner surface of the bush by means of lip edges (10). In the course of the swivel action the friction force between the friction element and the bush inner surface is overcome. USE/ADVANTAGE - Central arm rest bearing of simple and compact design which can easily be moved by hand.
Patent DE-4008360-A1 (DE)
Title: Electronic multiplier circuit - has pulse counter only active during each main cycle until all multiplicands have been processed
Inventor: MERKLE PAUL
IPC: G06F7/52
Filed: 1990-03-15
Abstract: The electronic multiplier circuit adds individual numerical partial products to a total intermediate product number using a result shift register with only one shift direction. The pulse counter is only operated during each main cycle until the last multiplicand number is processed. The control mechanism contains a circuit whose output changes level when the last effective pulse counter cycle has started or not yet finished.
Patent DE-4008399-A1 (DE)
Title: Operating drying and dust removing appts.
Inventor: KOELBL BERNDT
IPC: B01D46/42
Filed: 1990-03-16
Abstract: Operating drying and dust removing appts.
Patent DE-4009382-A1 (DE)
Title: Memory address expansion system for microcomputer installation - sums data register output with address bits to increase capacity
Inventor: POLLY EDGAR DIPL ING
IPC: G06F9/318
Filed: 1990-03-23
Abstract: An address space expansion facility is provided for  use with a system based around a microprocessor (1), e.g. Intel 8086 family, that has a specific number of address outputs (2). The processor also has a data bus (3) coupled to a register (4). An adder unit (5) combines the 12 bit outputs of the register with the lower order bits of the address bus. In the specific case the adder generates a 24 bit address word to increase memory addressing capacity from the original 20 bit value. The value are multiplexed to the read/write memory. ADVANTAGE - Uses data bits to expand address capacity.
Patent DE-4013851-A1 (DE)
Title: Algorithm for display of straight lines on raster graphics display - sets pixel pairs at reduced intensities to produce lines of constant brightness at any angle
Inventor: BAVENDIEK KLAUS
IPC: G09G5/20
Filed: 1990-04-30
Abstract: The method involves determining the separation of a starting point and an end point of a straight line in the X-Y directions. For line angles greater than 0 deg. w.r.t. the horizontal, at least one normally selected pixel is replaced by a number of pixels of decreased intensity. The pixels are configured such that a line appears to have the same brightness at different angles to the horizontal. ADVANTAGE - Reduces jagged effect caused by aliasing. Uses no multiplication or division. As fast as Bresenham algorithm.
Patent DE-4017399-A1 (DE)
Title: Carton for small articles - has insert with dividing walls formed by folds in square blank with square holes
Inventor: BAUMANN HANS-WILHELM
IPC: B65D5/49
Filed: 1990-05-30
Abstract: The carton for the separate packing of a number of small articles has an insert made from folded cardboard. This insert has a flat floor (3) with two sets of parallel walls which intersect each other at right angles. A square cardboard blank has four square holes (6) stamped out of it. Fold lines (7', 7''') are formed in line with the edges of the small squares and additional fold lines (7'') are formed between the first set of fold lines. These fold lines and cut-outs enable the blank to be folded to form the insert in fig. (1a). USE - Cardboard cartons.
Patent DE-4018639-A1 (DE)
Title: Monitoring IC engine w.r.t. rate of temp. change - processing temp. measurements at intervals for prodn. of alarm signal or shut=down of engine
Inventor: BUCHHEISTER HASSO DIPL ING
IPC: F02D35/02
Filed: 1990-06-11
Abstract: The rate of change of temp., rather than its absolute value, is found from processing of signals from sensors installed e.g. in the combustion space or exhaust gas flow.  The evaluation may be performed by a sensitive programmable controller or microprocessor for earlier recognition of distrubances so that possibly serious consequences can be mitigated. Temps. at one or more sites may be measured at given intervals, and the differences related to changes in, e.g. loading, environment or fuel quality. ADVANTAGE - Precise evidence of abnormal engine conditions obtainable from uncomplicated measurements.
Patent DE-4020356-A1 (DE)
Inventor: MEIXNER HANS-WERNER
IPC: B65D65/38
Filed: 1990-06-27
Abstract: Disclosed is a container, made by folding, with fold-in flaps, for packaging food. The container can be recycled economically, i.e. with a profit. The material consists of metal sheet coated with a plastics skin which, when the metal is recovered, produces no residual matter or pollutants. The edges of the container are welded to each other by the plastics coating. After bending open the flaps, the container can be easily laid flat by hand (thus reducing its volume) without it springing back and used containers can be collected in compact form in a recycling container and transported in the recycling container to the recycling facility where the metal is recovered by melting.
Patent DE-4031770-A1 (DE)
Title: Dust prevention appts. for CVD chamber - has process gas feed and suction openings near plasma forming electrode
Inventor: ARNOLD MANFRED DR
IPC: H01J37/32
Filed: 1990-10-06
Abstract: In appts. for avoiding dust formation in a plasma-enhanced CVD chamber (1), in which non-reacted process gas is pumped from the chamber via suction lines (15), the novelty is that the outlet openings (4) of the process gas feed line (10) and the inlet openings (19) of the suction lines (15) are arranged close to the surface of an electrode (5). USE/ADVANTAGE - The appts. prevents dust deposition caused by volume polymerisation during CVD e.g. of transparent SiO2 thin films.
Patent DE-4031993-A1 (DE)
Title: Machine tool with cleaning medium hose - has holder in which cleaning hose nozzle is inserted, when not used
Inventor: GRUND PETER DR ING
IPC: B23Q13/00
Filed: 1990-10-09
Abstract: The machine tool has a nozzle (24) supplied via a hose (23) with a cleaning agent, also a holder (21) for the nozzle, when not used over the machining region. - The nozzle is inserted in the holder, which pref. has an opening, in which it is held by a spring, and typically with an outer funnel portion. It can have an undercut portion, engaged by a protrusion on the nozzle.
Patent DE-4033914-A1 (DE)
Title: Flush mounted plug socket with cable terminal chassis - has expansion hooks and chassis as integral injection moulded component
Inventor: ELLE KLAUS-PETER DIPL ING
IPC: H02G3/18
Filed: 1990-10-25
Abstract: The expansion hooks (4,10) and the socket chassis (1) are an integral, injection moulded part. The expansion hooks are fixed by a membrane (3), or a break-off web (11) to the socket chassis. - The latter has a blind bore (6), pref. with a thread for a screw. The expansion hooks are arranged in the chassis such that, an expansion is effected by passing the screw (2) through the hook into the blind bore.
Patent DE-4036524-A1 (DE)
Title: Gear-wheel with variable ratio - has at least two gearwheel elements set axially behind or adjoining each other
IPC: F16H3/42
Filed: 1990-11-16
Abstract: The gear wheel has several gear wheel segments (12,16). At least two segments are mounted behind each other or next to each other in the axial direction of the gearwheel (10) and off-set relative to each other in the circumferential direction. The teeth of the adjoining elements cover each other at least approx.. The gearwheel segments of the or all gear wheel elements can be identical or different. The gearwheel segments of the elements can be adjusted stepwise simultaneously and radially so that the circumference of the pitch (22) of each element changes step wise by an amount corresponding to the tooth division. USE/ADVANTAGE - Longer service life for variable ratio gear.
Patent DE-4037576-A1 (DE)
Title: Hardenable mineral foam structure - made by reacting water-glass with oxide(s) from melting and sintering processes
IPC: C04B18/10
Filed: 1990-11-26
Abstract: Hardenable mineral foam structures and components, mouldings and in-situ foams made from the foam structures, produced by reacting, Si, Ca, Al and/or Mg oxides and aq. alkali metal silicate solns. (opt. with addn. of inert filters, blowing agents and additives), contain (i) 2-70% oxides which are the (by)-prods. of high temp. melting and sintering processes and which may already exist as mixts. and (ii) waterglasses as the aq. alkali metal silicate solns. Also claimed are (a) prodn. of the foam system, (b) prodn. of mouldings of any desired geometry from the foam system and (c) the resulting foam systems and mouldings. USE/ADVANTAGE - The foam system may be used to produce mouldings or coatings (e.g. for acoustic and thermal insulation) or in-situ foams (e.g. for filling cavities in mine and tunnel constitution). The components react smoothly to give a foam which hardens rapidly at room temp. to a high final strength. The foam prods. can be machined (e.g. drilled, milled and sawn) using conventional wood, metal and rock machining tools.
Patent DE-4038706-A1 (DE)
Title: Treatment of aq. sludges or coagulates, esp. from spray painting - by pressing dewatered sludge between moving belts to remove residual water which is recycled to painting equipment
Inventor: IPSEN HARALD
IPC: C02F11/123
Filed: 1990-12-05
Abstract: Aq. sludge or coagulates, esp. lacquer or plant sludges, are sepd. in a treatment vessel (2) and the resulting thickened sludge (3) undergoes a procedure for removal of its residual water content. This procedure consists of a sludge pressing operation. The pressed sludge enters a receiving vessel (4) and the water flows into a collecting tank (5) from which it is returned to the paint spraying booth. USE/ADVANTAGE - Used in the treatment of aq. sludges and coagulates, esp. water-paint mixt., from spray painting booths. A simple appts. is used to provide a highly effective means of dewatering the sludge or coagulate.
Patent DE-4038963-A1 (DE)
Title: Heating system - comprises storage tank connected to heat source and divided into separate compartments connected by pipe
Inventor: DORFMUELLER JOACHIM
IPC: F24D11/00
Filed: 1990-12-06
Abstract: A heating system comprises a heat source (1) for heating water with pipes (2,4) connecting it to a water storage tank (5). The tank (5) is in several separate vertical sections, each connected to the other by a pipe (12) leading from the top of one section to the bottom of the next. A pipe (2) leads from the bottom of the first section (8) to supply cold water to the heat source (1), and another pipe (4) supplies warm water to the storage tank (5). USE/ADVANTAGE - The sectional storage tank reduces the heat loss compared with a single large tank.
Patent DE-4039866-A1 (DE)
Title: Bifunctional fibre-reactive dye cpds.
Inventor: AUERBACH GUENTHER DR
IPC: C09B62/20
Filed: 1990-12-13
Abstract: Cpds. of formula X-O2S-W1(Fc)W2-NR-2 (I) and their salts are claimed. In (I) Fc = radical of a chromophore selected from the series of a monoazo, disazo, polyazo, formazan, anthroquinone, phthalocyanine, dioxazine, pheazine and azomethine dye, which is metal-free or metal complex form; W1, W2, = a direct bond or a bridging gp. which is attached to a C atom of an aromatic carboxylic ring or to a C or N atom of an aromatic heterocyclic ring present in Fc; X = -CH=CH2 or 2-4C alkylene-Y; Y = hydroxy or a radical which can be split off under alkaline conditions; R = H, unsubstd. 1-4C alkyl or 1-4C alkyl monosubstd. by hydroxy, halogen, cyano, -SO3H, -OSO3H, or -COOH; and Z = gp. of formula (II) with provisos.
Patent DE-4102142-A1 (DE)
Title: Spinning rotor shaft support disc - has ring covering both sides of disc edge zone held in place by disc surface profiling
Inventor: STAHLECKER FRITZ
IPC: D01H4/12
Filed: 1991-01-25
Abstract: Support disc for the shaft of an open-end spinning rotor, has a metal base body and a plastics ring for the running surface which projects over both sides of the plate-shaped disc body. The ring covers both sides of the disc, through side flanks, which give the disc an edge rim strip which covers a profiled zone at the outer section of the disc, formed by a number of recesses. The base body of the disc is stamped from steel plate, and the profiled structure is embossed at the edge strip zone. The circumference surface of the disc is also profiled and can also be rounded between the profiled edge strip surfaces at the sides of the disc. The side flanks of the ring taper inwards as lips, covering the profiled edge strip zones of the disc. The surface of the ring is worked by material removal at the running surface and side flanks. The axial width of the disc body is about half the axial thickness of the ring at the running surface. The running surface of the ring has a ring groove located centrally above the disc body. The disc body has a central recess, for the stub of an axle to be pressed into place in a snug fit, up against a ring shoulder on the axle. ADVANTAGE - The support disc structure gives reduced mfg. costs, while giving a firm bond between the disc body and the outer ring
Patent DE-4105854-A1 (DE)
Title: Malleable cast iron sleeve for car trailer connection - has corrosion resistant metallic coating applied to mating surfaces
Inventor: DICKMANN THOMAS DR ING
IPC: B60D1/52
Filed: 1991-02-25
Abstract: The sleeve made of malleable cast iron for the trailer connection for a passenger car having amating surfaces (2-4). The mating surfaces are coated with a layer between 0.1 and 3mm thick of a metallic corrosion-resistant material the strength of which is equal to or greater than that of the cast sleeve (1). ADVANTAGE - Method of providing corrosion protection without impairing the strength properties of the cast iron.
Patent DE-4105974-A1 (DE)
Title: Combined scaffolding and work trestle - has two long bearers of four-sided tubing welded to five cross struts with four feet also of four-sided tubing
Inventor: SCHMOLKE HELGA
IPC: E04G1/34
Filed: 1991-02-26
Abstract: The combined scaffolding and trestle (Fig. 1) is collapsible, and its legs (Fig. 4, 5) are welded to a hinge (Fig. 16) to the long bearers (Fig. 2, 3). It can be extended and also widened. The two long bearers comprise four-sided tubes of 40 x 40 x 2mm which are welded to five cross structs of 25 x 25 x 1.5mm (fig. 8-12). Between the two long bearers, a bearer plate is located on the cross struts. This plate is 15 mm thick, and consists of multi-layer, watertight plywood. Four feet are provided, which are likewise made of four-sided tube measuring 40 x 40 x 2mm with a length of 60 cms, so that the first working height of the combination is 64 cms. The feet stand beneath the long bearers, and are welded to a foldable hinge. USE/ADVANTAGE - A combined scaffolding and trestle for all kinds of private and domestic use.
Patent DE-4109628-A1 (DE)
Title: Composite piston for internal combustion engine - of aluminium alloy and precipitation hardening steel
Inventor: BREGLER WERNER H
IPC: C22C38/12
Filed: 1991-03-23
Abstract: Piston for internal combustion engine has forged regions of steel, partic. in the areas adjacent to the combustion chamber and bosses, and regions of lighter metal, partic. in the area of the piston body. The steel is a pptn.-hardening ferrite-pearlite steel contg. (mass %) 0.35-0.40 C, 0.5-0.80 Si, 1.2-1.5 Mn, up to 0.035 P, 0.03-0.065 S, 0.08-0.13 V. ADVANTAGE - Improved processing economics with good steel properties.
Patent DE-4111627-A1 (DE)
Inventor: HILL WOLFGANG
IPC: B60K7/00
Filed: 1991-04-10
Abstract: Described is an electric motor for an electric vehicle, the motor having a rotor (13) and a stator with a lamination bundle (11) containing slots designed to hold current conductors which are connected to each other via coil ends. The motor is designed to be installed in the rim of a wheel which acts as an external rotor, the rotor return connection (13a) being integrated in the wheel rim.
Patent DE-4111842-A1 (DE)
Title: Gripper for handling workpieces - has two jaws attached to gripper housing by leaf springs
Inventor: MAINARDI GIANFRANCO
IPC: B23Q7/04
Filed: 1991-04-11
Abstract: The gripper for handling workpieces during production, storage or packing, has a housing (1) with two jaws (2) which are attached to the housing (1) by integrally formed leaf springs (4). These jaws (2) are swung towards each other, in order to grip the workpiece, using two sliding pins (5) which are pressed against the jaws (2) by an actuating device. This actuating device may be a piston (3.3) which is acted on by a pressure medium, or it may be a mechanical or electro-magnetic device. The pins (5) are installed so that they move parallel to the gripper axis. USE - Gripper for handling workpieces.
Patent DE-4114792-A1 (DE)
Title: Prodn. of ceramic dental prosthesis - by reacting metal model with metalloid to form ceramic material
Inventor: WALL GISELHER DR
IPC: A61K6/04
Filed: 1991-05-07
Abstract: Prodn. of dental prostheses, esp. crowns, bridges or denture bases, is effected by (a) making a metal model of the prothesis, and (b) totally or partially converting the metal, to a depth of at least 100 microns, into a ceramic material by chemical reaction with at least one metalloid, or with O2 in the case of Group IIIa or IVa metals or Al. (N.B., metalloids are defined as including B, C, Si, N and P). The metal is Cr, Mo, W, Co or Ni. Step (6) is effected by (i) chemical vapour deposition using a metalloid halide (in the presence of a reducing agent, esp. H2 or a metal powder), a metalloid hydride, or N2 or O2 at low pressure in the presence of a corona discharge; (ii) powder cementation using a metalloid carbide in the presence of 1-10% of an alkali(ne earth) metal halide, esp. LiF or CaF2; or (iii) immersion or electrolysis in a molten metalloid salt (esp. complex fluoride) bath. The above processes are effected at 800-1100 deg.C for 1-6 hr. To improve adhesion of tooth-coloured dental ceramic coatings, the metal may be first converted to boride and then to silicide. ADVANTAGE - The process permits prodn. of hard ceramic prostheses without the need for expensive sinter technology
Patent DE-4114858-A1 (DE)
Title: Reciprocating piston for IC engine - is shaped so that its smallest clearances are located on ring web above lowest ring groove
Inventor: KEMNITZ PETER
IPC: F02F3/02
Filed: 1991-05-07
Abstract: The trunk piston has a top section with two piston ring grooves, and a piston shaft, connected to it via a gudgeon pin. In all working conditions of the engine, the clearance of the piston ring webs to the internal cylinder wall, is smallest in the pressure-counter pressure direction, and in the gudgeon pin direction. It is larger in the intermediate areas. The smallest clearances are located together on ring webs (1,2), which are positioned above the lowest ring groove. USE/ADVANTAGE - Cheaper mfr. of trunk-type pistons for IC engines.
Patent DE-4115597-A1 (DE)
Title: Formwork support for construction of extensions to existing building - includes support designed for easy removal from cast external corners
Inventor: BAUMANN WOLFGANG
IPC: E04G13/06
Filed: 1991-05-14
Abstract: The support for the formwork (4, 5) consists of a bracket (6) which is secured by a series of bolts (12) and nuts (13). The bolt secures the form to an existing structure (2) through vertical plates (8, 20). The hole in these plates through which the bolt passes allow for vertical movement of the bolt. On striking formwork, operation of the lever (29) pulls the form directly downwards. USE/ADVANTAGE - Concrete formwork release ensures form does not jam into corner of constructed overhang.