baber/WOPTO huggingface dataset:
Patent DE-3100998-A1 (DE)
Title: Hand cutting tool, in particular sheet metal shears
Inventor: KLOSE ODO PROF
IPC: B23D29/02
Filed: 1981-01-15
Abstract: The invention relates to a hand cutting tool, in particular sheet metal shears, the gripping levers of which are pivotably coupled to one another at a first joint and the cutting elements of which are pivotably coupled to one another at a second joint, one lever provided with a cutting element being connected by its lever arm projecting beyond the second joint, at the free end of said lever arm, via a pivotable swivel joint to one end of a toggle lever which is articulated at its other end via a fixed swivel joint on a gripping lever. The object on which the invention is based is to provide a hand cutting tool, in particular sheet metal shears, of the generic type mentioned at the beginning which guarantees ergonomically simple and safe operation of the hand cutting tool using only one hand and has an advantageous lever arrangement. This object is achieved according to the invention in that the first and second joints (18, 19) are arranged directly next to one another, while the pivotable (23) and the fixed swivel joint (27) of the toggle lever (25) are arranged on the part of the tool (10) remote from the cutting elements (13, 14). <IMAGE>
Patent DE-3101560-A1 (DE)
Title: Temperature-controlled safety valve
Inventor: PRAGER HERBERT
IPC: F16K31/68
Filed: 1981-01-20
Abstract: The invention is concerned with a temperature-controlled safety valve which serves especially as a thermal flow-off safeguard for service-water preparers of heating systems heated by solid fuels and which comprises a hydraulic temperature sensor (37) which, when its response temperature is reached, displaces the movable valve member (5) as a result of the expansion of its fluid filling and thereby opens the valve, the inflow (2) of which is to be connected to the service-water preparer. In order reliably to eliminate the risk that the service-water preparer will burst if temperatures which are too high are reached, two thermal flow-off safeguards having two hydraulic temperature sensors are provided. However, a failure of one or both systems as a result of a leak can scarcely be detected by the operator. According to the invention, therefore, the safety valve is to be improved in such a way that failures of the hydraulic system are nevertheless not detrimental to safety. For this purpose, an interlocked force accumulator (36) is provided for opening the valve, and the interlock (23, 33, 34, 44) is releasable as a result of a leak in the circuit of the hydraulic temperature sensor (37), and consequently the movable valve member (5) is displaceable in the opening direction by the force accumulator (36).
Patent DE-3102278-A1 (DE)
Title: Process and apparatus for the joining of flexible flat-shaped materials
Inventor: AURICH HORST PROF DR SC TECHN
IPC: D05B35/10
Filed: 1981-01-24
Abstract: The process and apparatus according to the invention serve preferably for the automatic sewing of articles of clothing. The aim is simplicity of construction and short change-over times. The object is to sew a large range of articles having different configurations with a minimum of technical means, and in particular there is to be no need for additional guide elements in a straight seam run. According to the invention, for a curved seam run, a pricking needle as centering, means for the specific lifting off of the press foot and a blowing nozzle with an air-outflow orifice in the direction of rotation are used. The technical means according to the invention are activated and brought into the position of rest by means of the same signal. <IMAGE>
Patent DE-3108108-A1 (DE)
Title: Measuring instrument for displaying the firing efficiency
Inventor: KEUSCH SIEGFRIED DIPL ING
IPC: G01D13/24
Filed: 1981-03-04
Abstract: The invention relates to a measuring instrument for a heating boiler, having an exhaust gas temperature sensor, an actual value pointer covered by a cover glass and, assigned to the latter, a resettable slave pointer, as well as a rotatable disc arranged centrally relative to the actual value pointer. In order to determine the firing efficiency, it is necessary to determine other parameters in addition to the exhaust gas temperature indicated by the measuring instrument. The object of the invention is to provide a measuring instrument which can be set up in the heating space and is protected against pollution and by means of which a person untutored in heating technology, preferably the operator of a heating boiler, can reliably determine the firing efficiency of the heating boiler at any time and without determining individual parameters, in particular from a great distance. According to the invention, the disc (16) of the measuring instrument is provided with a first circumferential region (31) from approximately 180 to 280 DEG  with juxtaposed sector sections (34, 35, 36) of different length and painted differently, a circumferential region (32) embraced by the first circumferential region (31) having radially aligned coatings (45) which are assigned a setting point (33) arranged in a rotationally fixed fashion on the housing (6) (Fig. 1), spacings of the coatings (45) and the sector sections (34, 35, 36) being dimensioned in the circumferential direction in accordance with the formula <IMAGE> . Such a measuring instrument can also be used by a lay person in terms of heating technology to make a qualitative assessment of firing efficiency at a great distance without additional measurements or calculations. The disc is preferably arranged directly below the slave pointer, in order to detect the position of the slave pointer easily. <IMAGE>
Patent DE-3111774-A1 (DE)
Title: Device for releasing valve seats screwed into valve housings
Inventor: VOJACEK HERBERT
IPC: B25B27/24
Filed: 1981-03-25
Abstract: To release a stuck valve seat in a valve housing, a very high release torque is usually necessary. This applies in particular to calcified and/or corroded valves in water lines. So as not to plastically deform the valve connection lines - in particular if they are made of copper - a torque-free valve-seat spanner is used (see Figure). The guide sleeve (4) is screwed with the thread (5) into the valve housing and is secured by a lock nut (7) against rotation when releasing the valve seat. The lock nut (7) is connected to the guide sleeve (4) by a left-hand thread (6) and has a stop (9). The guide sleeve (4) is screwed into the valve housing and secured against rotation by the hand levers (10 and 11). With the socket spanner (2), which has the socket-spanner insert (3) at the bottom end, the valve seat can be released free of torque with one hand or with two hands by turning and simultaneous counterholding. <IMAGE>
Patent DE-3115410-A1 (DE)
Title: Rapid shut-off of diesel engines
Inventor: ROBERTZ RALF
IPC: F02B3/06
Filed: 1981-04-16
Abstract: Published without abstract.
Patent DE-3118413-A1 (DE)
Title: Toggle fastener for intake air filters of internal combustion engines, compressors and other air-inducing machines
Inventor: MAYER GERHARD
IPC: F02M35/02
Filed: 1981-05-09
Abstract: The toggle fastener (20) has a toggle lever (21) which is secured pivotably on a first part (2) of the filter and on which a clamping strap (30) is pivotably fixed. The hook (35) has a part which is arranged transversely to the plane of motion of the clamping strap (30) and behind which another element can engage. By means of sliding ramps on the first part (2) of the filter and on the second part (3) of the filter, the hook (35) of the clamping strap (30) is moved automatically into the open position, in which it releases the projection, as the toggle lever (21) is pivoted to open the fastener and automatically moved into the closing position, in which it overlaps the projection (10), when the toggle lever (21) is pivoted for the purpose of closure. At least one friction surface or catch engaging on the clamping strap and intended to hold the clamping strap (30) in its open position is provided. <IMAGE>
Patent DE-3129471-A1 (DE)
Title: Remotely controllable tester (test device) for motor vehicle trailers
Inventor: VATHAUER KARL-ERNST
IPC: G01R31/00
Filed: 1981-07-25
Abstract: Remotely controlled tester for motor vehicle trailers, to the illuminating circuits of which it is possible to apply test voltages (UL) independently of one another using an infrared multichannel remote control (FS, FE). The receiving channels (K1 to K8) of the tester contain storage circuits (FF1 to FF8) for the circuit (control) states and associated LED displays (LV1 to LV8). The tester can be supplied by means of mains rectifiers (B1, B2) or batteries (BA1, BA2). In the case of battery operation, the test voltage (UL) is applied only briefly to the test object when a channel (K1 to K8) is actuated. Different test voltages (UL) can be applied. Overcurrent leads to erasure of the storage circuits (FF1 to FF8). Test voltage outputs (PS7, PS8) can be connected for the purpose of remote-controlled testing of the brakes to a compressed air brake valve (VB) which can be adjusted by a motor. In parallel with the key inputs (T1 to T8), the transmitter (FS) has inputs (RV1 to RV8) for external sensors, the actuation of which relative to the receiver (FE) is transmitted remotely to the LED display (LV1 to LV8). <IMAGE>
Patent DE-3132069-A1 (DE)
Title: Phase measuring device
Inventor: MOSKALIK LEONID MATUSOVIC
IPC: H03K5/133
Filed: 1981-08-13
Abstract: This device contains two phase conversion units having in each case two potential outputs (2, 3) and two pulse outputs (4 and 5), the first inputs (6) of which are connected to a first input signal source (7), the second input (9) of the first phase conversion unit (1) is connected to a second input signal source and via a phase shifter chain (10) to the second input (9) of the second phase conversion unit (1), a pulse distributor (11), the inputs of which are connected to the outputs (2, 3, 4, 5) of the phase conversion units (1) and the outputs (12 and 13) of which are connected to an up\down counter (14) connected to a digital register device (15). According to the invention, N-2 (N > 2) phase conversion units (1) are additionally introduced into the phase measuring device, the first inputs (6) of which phase conversion units are connected to the first input signal source (7) whilst the second input (9) of each subsequent phase conversion unit (1) is connected to the second input (9) of each preceding phase conversion unit via a phase shifter chain (10), the phase shift of each of the N-1 phase shifter chains (10) being  pi /N radian. The invention can be used in laser interferometers for adjustments in vibrations and in other measuring devices in which the physical quantity to be measured is converted into a change in the phase shift. <IMAGE>
Patent DE-3134625-A1 (DE)
Title: Radial/axial rolling bearing
Inventor: SEIFRIED GERHARD ING GRAD
IPC: F16C33/48
Filed: 1981-09-02
Abstract: In a radial/axial (thrust) rolling bearing, the axial rolling element ring of which rotates on one face of a race disc, in the hole of which the radial rolling element ring rolls, the rolling element rings being accommodated in cages, one of which is connected positively to the race disc to form a subassembly, axial fixing of the radial and axial bearing part relative to one another is achieved by the fact that the cages (4, 11) each have on one of their enveloping surfaces projections (12, 13) which engage positively one over the other and by means of the radial faces of which the cages (4, 11) are fixed axially relative to one another. <IMAGE>
Patent DE-3135169-A1 (DE)
Inventor: KOLAR WERNER HANS DIPL ING
IPC: G10K9/12
Filed: 1981-09-04
Abstract: 1. Electronic siren with at least one siren system, containing a signal generator for the production of an electrical signal consisting of at least two components of different frequency, a pressure chamber system supplied with the electrical signal for sound generation and a sound projecting horn connected to the pressure chamber system, characterised in that the electrical signal consists of at least one first sine oscillation which lies in the frequency range between 600 and 1600 Hz and at least one second sine oscillation the frequency of which is lower than that of the first sine oscillation and lies in the frequency range between 300 and 800 Hz, the signal level of the second sine oscillation being 3 to 30 dB lower than that of the first sine oscillation.
Patent DE-3135788-A1 (DE)
Title: Fastening device for adjustable front panels
Inventor: ROECK ERICH
IPC: A47B88/00
Filed: 1981-09-10
Abstract: To fasten the front panel of a drawer, there are provided for both sides of the drawer fastening devices which comprise a retaining part (4) fastened on the front panel and a supporting part (5) fastened to the drawer. The retaining part (4) is at the bottom inserted directly into the supporting part (5) and at the top suspended therein by means of an adjusting screw (9). Provided between these two bearing positions is a fixing screw (14), by means of which the retaining part (4) is secured to the supporting part (5). <IMAGE>
Patent DE-3135800-A1 (DE)
Title: Writing fluid
Inventor: KNAEBLE THOMAS DIPL CHEM DR
IPC: C09D11/16
Filed: 1981-09-10
Abstract: The writing fluid for producing opaque written characters consists of two resins and a solvent mixture consisting of two components having different rates of evaporation. One of the resins is soluble only in the solvent component having the high (higher) rate of evaporation, while the other resin [is soluble] in both solvent components consists of water which is present in such an amount that the first resin does not gel.
Patent DE-3136030-A1 (DE)
Title: Method for enhancing the ignition performance of dialkoxyalkanes used as diesel fuel, in particular 1,1-diethoxyethane
Inventor: BOENNHOFF KURT
IPC: F02B3/06
Filed: 1981-09-11
Abstract: The ignition performance of dialkoxyalkanes, used as diesel fuel, of the formula <IMAGE> in which R1 and R2 are hydrogen or alkyl radicals having up to 3 C atoms, and R3 and R4 are alkyl radicals having up to 4 C atoms, can be enhanced by partial oxidation with an oxygen donor; it is sufficient in this case if a part of the dialkoxyalkane of 0.5 to 3% by weight, calculated as H2O2, is oxidised. Preferably, 1,1-diethoxyethane is oxidised. The preferred oxidising agents are ozone-containing oxygen, air with UV irradiation and especially H2O2.
Patent DE-3144130-A1 (DE)
Title: Automatic adjustment device for an internal shoe brake
Inventor: DETTMER KARL
IPC: F16D51/48
Filed: 1981-11-06
Abstract: In an adjusting device for an internal shoe brake having a strut (12) which connects the free ends of the brake shoes (4, 5) and can be extended by the pivoting movement of a lever (17), the transmission element (24) for pivoting the lever (17) is connected to the brake shoe (5) supported on the strut (12) in the principal direction of rotation during braking. At one end, the transmission element (24) is held by an adjustable nut (29) which is supported via a compression spring (31) against a lug (27) fixed to the brake anchor plate. With the brake released, the compression spring (31) ensures a clearance(s) between the nut (29) and the lug (27). The brake release clearance can be set by setting the clearance(s). <IMAGE>
Patent DE-3150303-A1 (DE)
Title: Magnetic powder weld fault detector system
Inventor: MASASI INOMATA
IPC: G01N27/84
Filed: 1981-12-18
Abstract: Magnetic powder weld fault detector system designed and constructed for the automatic checking of weld faults (cavities/cracks) in welds and in the parts surrounding the welds of mutually welded basic materials in large oil tanks and the like. The magnetic powder weld fault detector system essentially comprises a magnetising device whose purpose is to produce a magnetic field along the weld between the basic materials mutually joined by welding, two lamps or spotlights which irradiate the magnetic powder particles with ultraviolet light, a magnetic powder scattering device which disperses the magnetic powder particles along the weld line or weld seam, and, finally, also a photographic recording device whose purpose is to record and reveal the magnetic powder particle pattern in each case and thereby also make it possible to detect and determine the weld fault on the basis of the shape or image of the weld powder particles attracted. The magnetic powder weld fault detector system makes it possible for only one employee to automatically check the welds produced between the basic materials for weld faults (cavities/cracks), with out-standing effectiveness.
Patent DE-3150603-A1 (DE)
Title: Bonding press
Inventor: JURISCH KLAUS DIPL ING
IPC: B27M3/00
Filed: 1981-12-21
Abstract: In a bonding press for the bonding of wooden profiles or wooden blocks composed of individual lamellae, in which the lamellar pack is held during the bonding process by means of a pressure beam extending along the lamellar pack, with prestress against an abutment beam, absolutely uniform pressure application over the length of the lamellar pack is to be ensured, in particular even when the workpieces to be worked are non-uniform. This object is achieved according to the invention in that the pressure beam (2) is of flexible construction and in that the pressure beam (2) is impinged by at least one pressure tube (4) which extends over its entire rear face, can be supplied with a pressure medium and is supported on its side facing away from the pressure beam (2). <IMAGE>
Patent DE-3202527-A1 (DE)
Title: Bicycle coupling
Inventor: HAENLE FRED
IPC: B62K19/18
Filed: 1982-01-27
Abstract: Bicycles cannot be stable and at the same time light enough. This problem is solved by means of a coupling connection which achieves an application and transmission of the forces occurring onto the tubes of the bicycle frame in such a way that these forces are transmitted by connecting points which are stressed essentially by transverse forces. The couplings can be predominantly punched out of planer plates, that is to say manufactured in a non-complicated manner. In addition, the couplings can be used for interconnection points of tubes of any cross section and of all materials, of conventional steel, aluminium, titanium even of plastic, such as fibrous glass-reinforced plastic and carbon-reinforced plastic, and can even be used for bottom bracket ball bearing couplings.
Patent DE-3204715-A1 (DE)
Title: Covered, unsinkable lifeboat
Inventor: VOLKRODT WOLFGANG DR ING
IPC: B63C9/02
Filed: 1982-02-11
Abstract: Unsinkable, self-righting, coverable lifeboat, characterised in that several of such boats can be stacked bottom-up in a frame and, in the event of distress at sea, can be launched on any side of the vessel. If the ship sinks spontaneously, the boats rise freely upwards. Swing-out canopy support bars, together with a canopy plate (16) and a tarpaulin (11), enable the boat to be sealed off from overflowing seas. The bilge pump (18), apart from pumping out water and spraying the boat surface for protection against fire, provides for the intake of fresh air via snorkels (17). Cellular glass dimensionally stable up to 430 DEG C is proposed as buoyancy body and thermal insulation. Double paddle devices (19) operated manually from inside via spars are used for the propulsion. <IMAGE>
Patent DE-3207788-A1 (DE)
Title: Process for the selective precipitation of calcium ions from crude brines
Inventor: SCHMITZ REINER DIPL ING
IPC: C01D3/16
Filed: 1982-03-04
Abstract: In a process for the selective precipitation of calcium ions from crude brines, sodium hydrogen carbonate is added, at a preferred temperature of 50 to 100 DEG C, to the solution in an amount corresponding to 0.9 to 1.5 times the stoichiometric amount, relative to the calcium ion concentration; the addition of solid calcium carbonate in an amount of 0 to 15 % by weight, preferably 5 to 10 % by weight, is proposed in conjunction in order to carry out the process effectively.
Patent DE-3208034-A1 (DE)
Title: Transistor ballast apparatus with a subdued-lighting circuit
Inventor: SUTTER ERNST
IPC: H05B41/42
Filed: 1982-03-05
Abstract: A transistor ballast apparatus for fluorescent lamps, which has a high-reactance transformer for supplying the fluorescent lamps with heating currents and with the lamp current, is provided with a current-limiting resistor in the lamp circuit which can be bridged with the aid of a small protection contact in order to be able to switch over between full lamp current and a reduced lamp current, for the purpose of varying the illumination intensity.
Patent DE-3209634-A1 (DE)
Title: Multi-purpose trailer
Inventor: NEUMAYER WERNER
IPC: B62D63/06
Filed: 1982-03-17
Abstract: Published without abstract.
Patent DE-3210316-A1 (DE)
Title: Condensate trap controlled bimetallically
Inventor: FOELLER WERNER DIPL ING
IPC: F16T1/08
Filed: 1982-03-20
Abstract: A condensate trap having a closing part (5) on the supply-pressure side and at least one bimetallic snap disc (11) on the supply-pressure side. A pressure container (8; 18) which is closed with respect to the trap internal space (1, 2) has a wall part (9; 20) which can move in a lifting sense, is loaded by the supply pressure in the opening direction of the closing part and acts in the sense of lifting displacement on the closing part (5), in addition to the bimetallic snap disc (11). The condensate trap can be used at different operating pressures without any previous pressure-dependent adjustment. <IMAGE>
Patent DE-3220170-A1 (DE)
Title: Measuring device for detecting the flow velocity of liquids and gases
Inventor: HANDTMANN DIETER DIPL PHYS DR
IPC: G01F1/7084
Filed: 1982-05-28
Abstract: A measuring device is proposed which serves to detect the flow velocity of liquids and gases in a line. The measuring device comprises a transducing sensor (12) and two signal scanners (13, 14) which are arranged downstream of the transducing sensor in the flow direction (11) and are formed from a plurality of mutually parallel scan paths (13a, 14a) arranged behind one another in the flow direction, the arrangement being that in each case a scan path (13a) of one signal scanner (13) is alternately followed at the same spacing by a scan path (14a) of the other signal scanner (14). The two signal scanners (13, 14) have a common electrical terminal (15) for their input and two mutually separated output terminals (17, 18) which are connected to an evaluation circuit (23, 24). The measuring device (10) is intended to provide measured values of the flow velocity of the medium which are as accurate as possible over a large range of measurements irrespective of interference. For this purpose, the signals picked up by the signal scanners (13, 14) are merged in the evaluation circuit (22). The frequency of the measurement signal thus formed is proportional in this case to the flow velocity of the medium. <IMAGE>
Patent DE-3223067-A1 (DE)
Title: Process for obtaining a dicyclopentadiene concentrate and use thereof
Inventor: KOETTER JOACHIM DIPL ING
IPC: C07C7/177
Filed: 1982-06-21
Abstract: The invention relates to a process for obtaining a dicyclopentadiene concentrate from a C5/C6 fraction which was obtained as the liquid fraction in the pyrolysis of hydrocarbons and to its supply for further use. The aim of the invention is to obtain, by use of a simple technology without vacuum and cooling units and an additional purification step, a dicyclopentadiene concentrate by adding, according to the invention, a certain amount of toluene and/or C8-aromatics and, if appropriate, water vapour to the C5/C6 fraction either directly before entry into the distillation column or as a separate production stream in the distillation column. The dicyclopentadiene concentrate obtained in this way can be used without further treatment as a starting substance in the synthetic resin industry.