baber/WOPTO huggingface dataset:
Patent DE-2637451-A1 (DE)
Title: Solar energy collecting element - is constructed of blackened slab of reinforced concrete, down which water percolates
Inventor: GLEISSNER ALWIN
IPC: F24J2/51
Filed: 1976-08-20
Abstract: The solar energy collector consists of 3 cm thick slab of water-permeable, blackened, reinforced concrete, made with aggregate of a single sizes. The slab rests on a sheet of aluminium. Water is heated as it percolates along the layer of concrete, which is placed at an angle to the horizontal, with the aluminium sheet beneath it, and a glass cover at a distance above.
Patent DE-2642209-A1 (DE)
Title: Capacitor read circuit for sensors - has several buried channel FET triggers and registers with capacitor and FET switch
Inventor: MEUSBURGER GUENTHER DIPL ING
IPC: H04N5/374
Filed: 1976-09-20
Abstract: The read circuit, for CID and BCID sensors, has a capacitor (CT) and an FET switch (T2) between each buried-channel FET trigger (T4) and the shift receiver. Each capacitor is connected via a further FET switch (T3) to a reference potential. Each buried channel in the resulting matrix is connected via a reset FET (T1) to a second reference potential. Each FET trigger has its drain or source zone coupled to its associated capacitor and its gate to a triggering potential. The first FET switch has its drain/source path connected between the shift register parallel input and the capacitor and its gate is coupled to a timing voltage.
Patent DE-2643932-A1 (DE)
Title: N-Channel storage FET with one or several gates - has two conductive strips coupled to storage gate, each covering part of drain and source respectively
Inventor: ROESSLER BERWARD DIPL ING
IPC: H01L29/788
Filed: 1976-09-29
Abstract: The storage field-effect transistor is intended for programme memory of a telephone exchange system. It has a floating storage gate surrounded completely by an insulator. Highly accelerated and heated electrons in the transistor conductive channel are utilised for the charge reversal of the storage gate. As a result of the heating the electrons overcome the energy threshold, due to an electric field effective in the source-drain direction. The acceleration is initiated by a channel injection which is used for programming, i.e. charging of the storage gate. After charging the gate effects the source-drain path by its negative charge in a current restricting manner, as in 2445137. Two conductive strips (L) are conductively connected to the storage gate (G1). The first strip covers a part of the drain (D), and the second strip covers a part of the source.
Patent DE-2700102-A1 (DE)
Title: Power regulator for boiler firing plant - determines combustion air flap opening by roller switch with adjustable contacts
Inventor: POETTER ERICH
IPC: F23N1/02
Filed: 1977-01-04
Abstract: The power regulator is used in firing plants, esp. in boilers with vibrating firegrids. A temp. or pressure regulator determines the opening angle of combustion air flap. The fuel supply is controlled in relation to the combustion air valve opening. A constant fuel and air ratio is ensured for all boiler loading conditions independently of the regulating flap characteristics with economical means. The arrangement takes into account the consideration that the combustion air flow rate does not vary linearly with the opening angle of the flap. A roller switch (4) has several adjustable contacts (5) and is connected with the lever switch (3) of the combustion air flap (2). The mechanical connection system has delay unit connected electrically. The contacts (5) can be adjusted in relation to the characteristics of the combustion air flap (2) and they are used as signal generators for the connected delay unit.
Patent DE-2701080-A1 (DE)
Title: Omnidirectional loudspeaker system with two truncated cones - has individual loudspeaker units mounted with their flat facing apices facing each other
Inventor: FELLER JOHANNES
IPC: H04R1/40
Filed: 1977-01-12
Abstract: The omnidirectional loudspeaker consists of two truncated cones (1.3). One of the cones is inverted above the other with a gap between their flat truncated apices. The loudspeakers are mounted in these flat apices facing one another anc each has a hemispherical of domed membrane. The two cones are made of wood and contain sound damping material. They are supported by metal rods which are attached to their large ends. The cones are of square section and the rods may be attached in the centres of the sides of the squares. There is no direct connection between the small ends of the cones.
Patent DE-2702137-A1 (DE)
Title: (2,6)-Bis-aminoacyl-amino anthraquinones prodn. - from amines and haloacyl-amino cpds., useful as inducers of interferon synthesis
Inventor: BIBER RUDOLF
IPC: C07D295/15
Filed: 1977-01-20
Abstract: Prepn. of new anthraquinone derivs. of formula (I) comprises reacting the corresp. halo cpds. (II) with amines HNR1R2 (III), then opt. converting the prod. to a physiologically acceptable acid addn. salt. In the formula, R1 and R2 are each H, opt. branched lower alkyl, cycloalkyl, aralkyl or aryl; or together they complete a satd. or unsatd. heterocycle; A is opt. branched lower alkylene or aralkylene; and X is Cl, Br or I. (I) induce interferon synthesis in vitro and in viro, so are useful for prophylaxis or treatment of viral diseases. The unit dose of (I) is 250-500 mg.
Patent DE-2706028-A1 (DE)
Title: Toy roundabout carrying war planes - has press button for each player to release bomb above corresponding target
Inventor: WIEJA EDGAR
IPC: A63F9/02
Filed: 1977-02-12
Abstract: Game to be played by several persons consisting of an electrically driven roundabout (1) rotating above a base plate (2) fitted with targets (3-8). Several toy aeroplanes (11-16) suspended from the roundabout, carry toy bombs (23-28) which can be individually released by exciter current circuits actuated by press button contacts allocated to each player. The press buttons are freely movable and the targets are made in the form of rifle shooting targets with the toy bombs made as balls with sharpened points.
Patent DE-2709713-A1 (DE)
Title: Tunnelling and tunnel lining shield - has flexible tube around rear, filled with water or air to form seal
IPC: E21D11/10
Filed: 1977-03-05
Abstract: The tunnelling shield which is advanced while concrete is applied to the tunnel walls immediately behind the shield, is designed so that it can be stopped and moved backwards for repair, adjustment etc. without damaging the wet concrete. Around the periphery of the rear of the shield is mounted a flexible tube which can be filled with air or water. The pressure inside the tube can be controlled to give a required degree of sealing. The tube can be divided up into sections which can be independently filled and emptied. When filled, it covers the concrete delivery openings. It is mounted between inner and outer parts of the shield.
Patent DE-2724969-A1 (DE)
Title: Brake actuating mechanism with variable transmission ratio - has actuating lever with cam projection acting on force transmission roller
Inventor: SCHROETER HANS O
IPC: B60T7/04
Filed: 1977-06-02
Abstract: The brake actuating mechanism has variable force transmission ratio and a loading lever on the frame. The loading lever is conn acted by a cam with the roller on the deflecting lever for transmitting force to the brake levers. The cam shaped position (1) of the clamping lever (2) is arranged between the pivoting axis (3) on the frame for the deflecting lever (4) and the roller axis (5). The actuating lever has an opening (7) close to its pivoting axis (6) for holding the roller (8) in its end position.
Patent DE-2728019-A1 (DE)
Title: Evacuated solar heat collector - with bottom plate and cover panel bonded to absorber support frame
Inventor: MERGES VEIT
IPC: F24S10/50
Filed: 1977-06-22
Abstract: A new solar heat collector causes less sealing difficulties because it does not require a very high vacuum which can be restored by applying a water jet ejector for a few minutes every month. It can be produced at low cost, yet has a reasonable efficiency. The rectangular frame, made of channels, which carries the absorbers in insulating pads has connections for the absorbers and for a subsequent evacuation. The transparent cover panel and the bottom plate are sealed against the frame flanges by an adhesive. Support pins (metal tubes or ceramic rods) connect the cover panel to the bottom plate to prevent a collapse of the collector cell.
Patent DE-2728147-A1 (DE)
Title: Refractory chromium alloy contg. iron and carbon - and resisting corrosion in silicate melts, esp. fused basalt (SW 9.1.78)
Inventor: VACH JOSEF DIPL ING
IPC: C22C27/06
Filed: 1977-06-22
Abstract: Refractory metal alloy, resisting corrosion in silicate melts, esp. in fused basalt, contains 60-98.9% Cr, 1-39.9% Fe and =0.1% C. The alloy is used in electric smelting plant, auxiliary heaters and silicate and basalt melting stock plant, including plant for fusing enamels and glass types in which colour is desirable or harmless. At the operating temps., e.g. =1450 degrees C in silicate melts and =1350 degrees C in air- and gas media, the alloys form a thin, protective Cr2O3 layer, which dissolves with difficulty in silicate melts and inhibits progressive oxidn. in gas media.
Patent DE-2728170-A1 (DE)
Title: Aq. chlorine di:oxide solns. - made by mixing solns. of sodium chlorite, sodium hypochlorite and sodium carbonate
IPC: C01B11/02
Filed: 1977-06-23
Abstract: Three substances (a.b.c) are successively dissolved in 35-105 pts. wt. water, viz. (a) 7-21 pts. wt. chlorite, esp. NaClO2; (b) 7.5-22.5 pts. wt. hypochlorite, esp. NaClO; (c) 0.5-1.5 pts. wt. carbonate, esp. Na2CO3. The resulting aq. soln. is then treated with (e) 7.5-22.5 pts. wt. of dil. inorganic or organic acid to obtain pH 5-10. Instead of the solid substances (a,b,c), their aq. solns. may be mixed together. Before adding acid (e), a stabiliser (d) is pref. added, viz. 0.01-0.1 pts. wt. of a peroxide, esp. silver peroxide; and acid (e) is pref. H2SO4 added stepwise. Aq. ClO2 solns. are very suitable for disinfecting bath-, drinking-, tap-, or drain-water. The invention provides a stable, storable, and relatively conc. soln. of ClO2 which is not dangerous w.r.t. the possibility of an explosion, and avoids the numerous disadvantages involved with conventional methods of prepn. of ClO2 solns.
Patent DE-2732412-A1 (DE)
Title: Fire alarm detector system - has variable number of sensing stages coupled to common lines connected to central station
Inventor: SCHIERAU KLAUS DIPL ING
IPC: A62C37/00
Filed: 1977-07-18
Abstract: A fire alarm system has a number of detectors coupled to common signals lines that are connected to a central monitoring point. The AC supply is rectified(10) to produce a suitable d.c. supply for the system via a voltage regulator(12). A hand operated relay(38) allows the alarm system to be brought to a state of readiness, with the coil(24) being maintained in a set condition using a latching contact(26). Detector stages(D) are coupled over three lines(16, 18, 20). When a detector is triggered the latching relay drops out to set off an alarm or to activate a display.
Patent DE-2742609-A1 (DE)
Title: Preventing excessive nitrogen oxide formation during combustion - by adding oxygen binding agent, pref. extra fuel after initiation
Inventor: BAENTSCH ERICH
IPC: F02M59/10
Filed: 1977-09-22
Abstract: The fuel is treated with an additive which combines with the free O2. It pref. is added after combustion has started. In particular, normal fuel is injected into the centre at the highest temp. The method is used partic. with diesel engines. The equipment has an injection pump plunger with a groove, which stops short on extending beyond the edge of the leading edge over the return opening in the injection procedure. so that it is completed with a very small amt. re-injected. re-injection must not be like dripping but must be forcible, to attain combustion in the core at the increased pressure already reached in the cylinder. The very small amt. used is than ensuring that NOx formation is near the permissible limit. An alternative arrangement used a cma stopping short at the apex with the effect of pressure, to re-inject a small amt. with the protuberance. The plunger dia. or its stroke about the injection shutter is enlarged by the groove.
Patent DE-2744778-A1 (DE)
Title: Lathe with several headstocks - has guideway to support headstocks with different operating ranges
Inventor: SEEGER FRIEDRICH ING GRAD
IPC: B23B3/06
Filed: 1977-10-05
Abstract: The lathe has a tool carrier and a number of headstocks. The headstocks are able to slide at right angles to the rotating axis on a guideway. The headstocks can be brought into working position alternatively and the headstocks are provided with different rotating speed ranges and performance rating. Each of these headstocks can be connected with the main drive in the working position.
Patent DE-2744789-A1 (DE)
Title: Solar energy collector - comprises corrugated roof section with pipes under corrugations supported on layer of heat insulating material
Inventor: SAUFF HEINZ
IPC: F24S10/75
Filed: 1977-10-05
Abstract: The solar energy collector comprises a corrugated roof covering section with pipes under the corrugations. A layer of heat insulating material can be mounted underneath the pipes, while further pipes for surface heating are mounted on the material free side. The inside can be coated with wood or plastic veneer, plaster, textile material etc. while on the sun side there can be a glass plate mounted clear of the collector. Pipes can be enclosed in the insulating layer for heat storage.
Patent DE-2748624-A1 (DE)
Title: Synthetic material marine fender - has contact surface supported by ribs bearing on ship or quay wall
Inventor: HORCH FRANK ING GRAD
IPC: E02B3/26
Filed: 1977-10-29
Abstract: The fender made of synthetic material is intended for fitting to ships, bollards or quay- and dockwalls. The fender is arranged in multiples assembled horizontally, vertically or both ways. Each fender comprises a contact surfaces (2) backed by four parallel, equally spaced ribs (3-6). The free ends of these ribs are enlarged (8) to increase the bearing area against the object to be protected and drilled (7) for securing. The rib length is about five times rib thickness and the distance apart about three times the rib thickness. The outer surface has circular section grooves in line with the rib axes.
Patent DE-2753463-A1 (DE)
Title: Pipe or turbine prodn. appts. - uses hydraulic pressure to force workpiece through matrix to change outer form and selectively reduce wall thickness
Inventor: TOMAZIC GERD DIPL ING DR
IPC: B21D41/04
Filed: 1977-11-30
Abstract: The hollow component mfg. appts. is esp. for the prodn. of pipes of an extensible material, e.g. metal. It operates by altering the cross-section of the workpiece. A roughly pipe-shaped workpiece is guided through a matrix that changes its form. The matrix is supported on its inner side. The pipe or similar component is closed on its front side and filled with a liq. The component is forced through the matrix in the direction changing the cross-section so that it is fully encompassed by it. The force of the liq. tends to extrude the component. Not only is the outer form changed by the walls can be reduced in thickness.
Patent DE-2758392-A1 (DE)
Title: Protective edge strips for suitcases and boxes - have inward pointing projections fitting into grooves, and may be ridged or grooved
Inventor: SAEMANN KURT
IPC: A45C13/36
Filed: 1977-12-28
Abstract: The protective edge strips are made of metal, plastics or other strong material. The strips are in the form of angle pieces (9) and have inwards pointing projections (12) which fit into corresponding recesses, or grooves, in the edges of the container sides (5, 7). The sides of the angle-pieces may extend beyond the projections. The angle pieces are preferably made of flexible material, and are rounded. The sides of the angle pieces can be grooved, or rided. The projections may be formed by extensions of longitudinal profiles. Shanks of the latter may form the angle-piece extension.
Patent DE-2804118-A1 (DE)
Title: Strip-line microwave ring hybrid circuit - uses enlarged connection point lands between four line-sections to save space
Inventor: BEYER FRANZ
IPC: H01P5/22
Filed: 1978-01-31
Abstract: The microwave ring hybrid circuit in strip-line or microstrip design technique has four line-sections electrically connected together ring-wise and a connecting line at each of their connection points. So as to save circuit space compared with previous ring hybrid layouts of the low-pass filter type, the connection points between the four line sections are designed in the form of enlarged areas. Some of the sections of line are specif. folded into themselves, and the connection point "lands" or surfaces are more specif. square shaped, or rectangular shaped.
Patent DE-2805649-A1 (DE)
Title: Squeak suppressing orthopaedic shoe insert - formed by thin PTFE foil having low coefft of friction and filled with inorganic filler to improve wear properties
Inventor: ROBENS ERICH
IPC: A43B17/14
Filed: 1978-02-10
Abstract: Orthopaedic shoe insert intended to suppress squeaking noises and also additionally prevent ingress of moisture through the sole may be incorporated fixedly or loosely in the shoe and may be included between the outer sole and inner sole. Insert may be of a PTFE foil which has coefft. of friction 0.5 (partic. 0.1) and a thickness of 0.1-1.0 mm. The foil may include a filler of =40 wt. % of an inorganic filler. Latter is intended to improve the wear and compression properties. A number of inserts may be incorporated in a shoe.
Patent DE-2807832-A1 (DE)
Title: Paint roller held in bracket handle - contains close-pored foam as sealant to prevent penetration of paint
Inventor: FLEISSNER WILHELM
IPC: B05C17/02
Filed: 1978-02-23
Abstract: The paint roller has a grip and a carrier tube for the roller covering. The grip carries bearing discs with clamping sleeves, secured against sliding off, and a distance tube between the sleeves. The hollow space of the paint roller is partly or completely filled with a sealing material of a close-pored foam, or similar material. Alternately, the roller may contain hollow bodies of an elastic rubber-like material. The sealing material is inserted into the roller in the form of a liquid two-component foam.
Patent DE-2819226-A1 (DE)
Title: Screwdriver attachment for drill - has coiled spring of slip clutch connected at one end to external sliding cap
Inventor: HOLLAND-LETZ GUENTER
IPC: B25F3/00
Filed: 1978-05-02
Abstract: The screwdriver attachment for use on hand drill chucks is fitted with a wound spring slip clutch. The spring is attached on a cylinder connected with the drive shaft. The cylinder has a slightly smaller dia. than the internal dia. of the spring when relaxed. At the same time the cylinder is seated rotatably on the tube and has projections for similar recesses on the slidable element. At the start of the screwing operation the wound spring tightens on the circumference of the cylinder, which transfers the torque onto the screwdriver via the ball click stop device. When the pre set torque is exceeded, the balls leave the projections and shift the axially sliding element.
Patent DE-2822580-A1 (DE)
Title: Feeder pattern with core for mould - has recessed core on flat pattern plate enclosed by cylindrical envelope
Inventor: SCHURG HORST-WERNER
IPC: B22C7/02
Filed: 1978-05-24
Abstract: The feeder pattern with core and envelope ensures withdrawal of core for forming the mould feeder. The feeder pattern shape is not restricted to a spherical shape. The pattern core on the pattern plate can have a cylindrical or pyramid shape with a recess. The core shape ensures high volume with relatively small surface area. The feeder pattern can have a tulip shaped core with a cylindrical envelope. A pneumatic core is formed with the core on integral construction. The core has recess between its base and the pattern plate.
Patent DE-2835477-A1 (DE)
Title: Hair crimping unit for quick uniform waving - has long wide wavy plate and holder producing several waves simultaneously
Inventor: OCHS KLAUS PETER
IPC: A45D2/12
Filed: 1978-08-12
Abstract: The lower part (41) of the hair waver has several openings evenly distributed over the wavy surface and set close together side by side. It is pref. made of mesh wire material so that when fixed in the hair the hot air from a blow dryer can rapidly pass through the openings to ensure speed setting of the waves. The lower part (41) is held in the hair by the upper part (42) which can fold down to fit on the lower part where it is held locked with the hair in between. By using external hot air source and not heating up the acutal waving device harsh overheating is avoided.
Patent DE-2841265-A1 (DE)
Title: Bristle tuft for paint brush - has plastics capillary tube fitted to facilitate conveyance of paint to tips of bristles
Inventor: RICHTER PETER
IPC: A46D3/00
Filed: 1978-09-22
Abstract: Brush for applying liqs. or pastes comprises >=1 bundle of bristles, with >=1 duct in the bottom end(s) of the bundle(s). The ducts are symmetrically arranged (as viewed against the base surface of the bristles. There is a capillary tube of pressure-resistant material in each duct that extends from the bottom ends of the bundles as far as just below the liq.- or paste-applying tip of the bundle. The capillary tubes are pref. made of plastics, specifically polyethylene or polypropylene, made by extrusion or injection-moulding.
Patent DE-2842332-A1 (DE)
Title: Duration of output signal detector for railway signalling system - using two timing circuits, each containing shift register
Inventor: KOPPERSCHMIDT GERD DIPL ING
IPC: B61L7/08
Filed: 1978-09-28
Abstract: The detector has two separate timing circuits. Each circuit has at least two shift register loops of variable length. The outputs of the registers are passed to a coincidence circuit. When a triggering pulse appears only one register stage of each register is set; all the remaining stages remain reset. The advantage lies in the relatively simple manner in which the duration of the output signal is measured after the appearance of the triggering pulse.
Patent DE-2843092-A1 (DE)
Title: Control circuit for mains power=pack - has counter and signal shaper producing switch=off signals of selected duration
Inventor: WOHINZ WOLFDIETRICH
IPC: G05B11/28
Filed: 1978-09-29
Abstract: The control circuit e.g. for ovens, spaced heaters etc. has a counter controlled by the mains frequency and a signal shaper to produce a switch off signal from the duration of one period after a given number of periods. The signal shaper extends turn-off signals for the load switch that range from being too short to a full period and also prevents gaps less than one period between two turn-off signals. A filter is connected to the input of the counter to suppress components of the mains voltage having a frequency above that of the mains.
Patent DE-2851963-A1 (DE)
Title: Round actuating spindle for valve plug - has grooves into which separate flange is rolled to form tight joint
Inventor: PLATTES CLEMENS
IPC: F16H25/24
Filed: 1978-12-01
Abstract: The non-sliding flanged spindle actuates valve plugs, and is of round material (1) with one or more peripheral grooves (3). The flange is a separate component rolled into the grooves to form a tight joint. The grooves themselves can be formed by rolling, while the T-section flange comprises a bush with a radial collar on the outside. The flanks (4, 5) of the grooves can be inclined and/or there can be further grooves in the bases of them.