baber/WOPTO huggingface dataset:
Patent DE-2811108-A1 (DE)
Title: Toothed locking washer for nut or bolt - has tooth rear faces steeper on side furthest from screw head
Inventor: BAUER CARL-OTTO DIPL ING
IPC: F16B39/24
Filed: 1978-03-15
Abstract: The toothed locking washer is for use with headed screws or nuts, having transverse teeth on each face. The tooth edges on opposite faces lie on common lines in the axial load direction. The rear faces of the teeth on the face of the washer away from the screw head (12) are steeper than those on the other face, so that their locking faces are flatter than the virtually vertical ones on the face towards the head. On the face away from the head, the tooth faces can be of equal length and at the same angle to the washer face.
Patent DE-2816791-A1 (DE)
Title: High temp., high peripheral speed turbine - has temp. reduction area in blade or intermediary fitments and reinforced coolant grooves in impeller body
Inventor: JERICHA HERBERT DIPL ING DR
IPC: F01D5/08
Filed: 1978-04-18
Abstract: The urbine for high temps. and high peripheral speeds has tightly covered grooves, for the through-flow of coolant, arranged in the impeller body running outwards from its periphery. A radial temp. reduction zone lying outside the blade fixture point is provided in the turbine blade or available intermediary pieces. The cooling grooves lie between grooves in the impeller body which take the blade foot or the foot of the intermediary pieces. An insert which supports the groove flanks, leaving the coolant channels open for the passage of cooling fluid. The insert is of unitary construction with the groove cover, which is preferably welded to the groove edges.
Patent DE-2816892-A1 (DE)
Title: Proximity fuse detonating anti-helicopter shell for tank - uses radar echo and Doppler shift from tall rotor and IR to recognise target
Inventor: WILKE KARL-HEINZ DIPL ING
IPC: F42C13/04
Filed: 1978-04-19
Abstract: The fuse includes a radar proximity fuse that detects the presence of the target and decides the best moment to detonate - pref. according to the speed of the shell, speed of target and impact error. The radar fuse is combined with an infrared passive sensor. The target is recognised when the radar reflection and the IR radiation comes from the same object. An extra evaluating channel is used to detect the Doppler shift in the echo signal resulting from moving parts of the target - e.g. the tail rotor of the helicopter. The target is recognised when a strong radar reflection occurs with only small or no Doppler shift and when a weak reflection occurs with a high Doppler shift.
Patent DE-2819977-A1 (DE)
Title: Supplementary stabilising equipment for lightweight watercraft - is portable container with flat base with holes and inlet only covers
IPC: B63B43/06
Filed: 1978-05-08
Abstract: The supplementary stabilising equipment for lightweight watercraft is a fully enclosed container made of water-impermeable textile material (2). Inside the bottom of this is secured a heavy baseplate (1), with one or more holes (3). Flat plate covers (4) for these holes, no wider than the plate and of a material only slightly heavier than water, are secured by 4-8 cm long ties (5) around the periphery. Lifting lines (6) for emptying the container run from the covers through its top. Two or more such containers are fitted each side of the craft.
Patent DE-2826410-A1 (DE)
Title: Non-metal reinforced railway cross-tie - of densified wood particles bonded with plastics with high strength longitudinal wooden reinforcements
Inventor: POTTER EDWARD
IPC: E01B3/44
Filed: 1978-06-16
Abstract: The cross tie comprises a mixture of comminuted ligno-cellulosic material and binder densified and bonded under 1200 psi pressure with an embedded longitudinal reinforcement of wood with clear straight grain parallel to its cross tie length. Wood tensile strength and elasticity is greater than that of the mixture and can stand compression of >=1200 psi transversely of the grain without fracture. There is pref. >=1 reinforcement above and one below the neutral bending axis, and the se have rupture and elastic moduli of >=13,000 psi and 1,800,000 psi respectively. The liggnocellulosic material pref. includes wood particles impregnated with creosote and comprises 85-92% of the bonded mixture.
Patent DE-2828328-A1 (DE)
Title: Feeding bottle for baby - has thermometer incorporated on inside or outside, indicating temperature of contents
Inventor: KLAMA KARL
IPC: A61J9/02
Filed: 1978-06-28
Abstract: The feeding bottle for a baby has a thermometer incorporated, mounted on the outside or inside of the wall. Temp. can be indicated by a conventional scale or by colour change. The design allows the contents to be simply and rapidly checked for correct temp.
Patent DE-2828777-A1 (DE)
Title: Aircraft radome measurement device - uses test and counter aerials with test aerial rotating in opposite direction to radome
Inventor: SCHOLZ MARTIN DIPL ING
IPC: H01Q1/42
Filed: 1978-06-30
Abstract: A device for measurement of radomes involves test and counter antennae or aerials. They enable accurate squint error measurement over a wider range than with conventional devices. The device is simply constructed and easy to operate. The test antenna need not be mounted directly on the radome frame so as to rotate with it. The counter antenna (3) is fixed. The t test antenna (1) and radome (2) rotate about a common axis (4) with the same angular speed but in opposite directions. The counter antenna remains permanently in the main radiation direction of the test antenna.
Patent DE-2831238-A1 (DE)
Title: Digital control for vehicle speed - operates with additional control circuit with ramp generator to modulate response
Inventor: NONNEMANN WOLFGANG DIPL ING
IPC: B60K31/04
Filed: 1978-07-15
Abstract: The digital speed control for the vehicle has two logic memories to process the speed and reference signals and provide correction signals for the speed control. One memory compares the set and actual speeds while the second generates a ramp signal to modulate the correction effect. The ramp control prevents hunting and ensures a smooth correction to the speed. Two levels of ramp can be provided so that as the set and actual speeds approach each other the modulation is smoothed to prevent overshoot.
Patent DE-2832689-A1 (DE)
Title: Round section assembled ornamental metal grill - has two part riveted clips joining converging sections together
Inventor: THALER FREDERYK T
IPC: E06B9/01
Filed: 1978-07-26
Abstract: Flat curved or annular elements of bar-type material are arranged close together in a single plane, and joined together to make up a decorative pattern in the metal grill which can be both ornamental and protective. Connection between elements (1) is provided by two-piece clamps (2), fitting their cross-section at points of contact. The two pieces are held together by rivets, with friction-locking effect on the elements. There are pref. blind or hollow rivets, or have a drilled shaft. Clamp pieces are pref. flat U-shaped units.
Patent DE-2834076-A1 (DE)
Title: Plastic packaging machine - with two stations for welding and stretching cover foil on plastic flanged cup
Inventor: MAHAFFY REID A
IPC: B65B31/02
Filed: 1978-08-03
Abstract: Vacuum or gas-filled food packages of the cup type with flanges, closed by a welded foil, are produced in a machine with two stations. In the first, the foil is partly welded to the flange and heated. In the second, a vacuum is applied and a plunger is moved against the heated foil to stretch the foil into the cup. After the complete welding of the foil and flange, air pressure is applied to press the foil against the contents. This machine is easily adapted to packages of varying shape. It is equally suitable for vacuum- or gas-filled packages.
Patent DE-2836389-A1 (DE)
Title: Double glazed sound insulating window - has series of very thin panes inside two thick protective panes
Inventor: SCHAEFER HORST DR ING
IPC: E06B5/20
Filed: 1978-08-19
Abstract: Two thicker outside panes of glass (2) protect a number of thin panes (1), with max. thickness of 1.8 mm, so that the latter are not destroyed by normal stress or transport, in the glazing unit providing sound insulation. The inside panes may be as thin as is practicable for manufacture. The inside panes may be close against each other, or at a slight regular or varying interval, with the thick covering panes protecting or holding them. One or more panes (3) of normal thickness may be included, at wider intervals, to add good heat insulation to the sound insulating effect. The thin pane may stand loosely, or be cemented or otherwise edge-fixed to the thick ones and/or to a frame.
Patent DE-2842481-A1 (DE)
Title: Automatic sheet collating machine - is equipped with series of fixed stations and equal number of moving stations as well as sheet transfer devices
Inventor: INDERBIETHEN PETER
IPC: B65H3/44
Filed: 1978-09-29
Abstract: The automatic collating machine is to sort printed sheets etc. into the consecutive page runs required. The machine has several stations for the same type of sheet which are fixed in a straight row and an equal number of stations to receive the sorted sheets and moving past the fixed stations. There are also transfer devices for teh simultaneous transfer of one sheet each from each fixed station to the moving station located there at that time. finally, there are conveyor devices to move the collated sheets from the moving stations parallel to the fixed stations during the period of time required for the transfer of one sheet at a time.
Patent DE-2844585-A1 (DE)
Title: Tunnel or mine gallery driving shield striding structure - has thrust props bracing frame against floor on support prop insertion
Inventor: DIEDERICH HANS-JUERGEN
IPC: E21D9/06
Filed: 1978-10-13
Abstract: For driving underground sectors, tunnels or mine galleries forward, the striding structure for a driving shield, esp. cutter shield, has an advancing support frame for the shield roof. It is braced against the floor by a group of props on both sides, coupled to an abutment braced against the floor by a set of thrust cylinders. The thrust props in the striding structure are mounted in the loading track of the set of support props bearing the support frame. They are sited in such a way that the support frame is braced against the floor via the thrust props when the support props are inserted. This provides reliable guidance of the support frame in all shield loading conditions, with no need for a special spreader frame against the roof, or abutment anchorage.
Patent DE-2852271-A1 (DE)
Title: Programming and storage system for musical rhythms - uses random access memory to retain percussion rhythms and part of rhythm pattern
Inventor: KNUETTEL FRANZ-HEINRICH
IPC: G10H1/40
Filed: 1978-12-02
Abstract: The programming and storage system has a decoder driven by a binary counter and generating a sequence of logic states and passing them via an array of switches to an electronic percussion instrument. The rhythm produced in this way is written into a digital store with random access. The address inputs of this store are coupled to a binary counter. The rhythms or parts of rhythms retained in the store can be linked together by combining their addresses in any manner. To this end, the addresses are alos retained in a store. A pulse generator of variable frequency drives a 4-bit counter whose outputs are connected to the decoder. The decoder's outputs can be switched through to the percussion instrument.
Patent DE-2853415-A1 (DE)
Title: Crucibleless zone melting device - with crystal rod support by discs rolling on inclined grooves in support arms around rod
Inventor: KELLER WOLFGANG DR RER NAT
IPC: C30B13/28
Filed: 1978-12-11
Abstract: The device has a crystal support with at least two, pref. three rigid support arms which can be moved axially by a nut. The support arms have on the side towards the crystal inclined guide grooves in which support rings can slide and keep in contact with the crystal. Pref. the support arms and rings are made of ceramic Si, or a light metal, more pref. Ti or Al. This can support even very thick and long single silicon crystals, including those of irregular contours, both radially and axially.
Patent DE-2907603-A1 (DE)
Title: Halo:pyridyl-azo benzoic acid derivs. - useful as metal chelating agents for analysis, sepn. and concn.
Inventor: SHIBATA SHOZO
IPC: G01N31/00
Filed: 1979-02-27
Abstract: Pyridylazo cpds. of formula (I) are new: (where R is halo-substd. 2-pyridyl). (I) are made by conventional diazotisation of RNH2 then coupling to m - (N,N-dimethylamino) benzoic acid (II). (I) form highly-coloured (blue or purple) chelates with V, Mn, Fe, Co, Ni, Zn, Cu, Ga, Pd and U (but not other metals), the chelates being sparingly soluble in water but readily soluble in certain organic solvents. (I) are useful for sensitive analysis (e.g. Ni in the 10-3 ppm range) and for selective sepn. and concn. of metals.
Patent DE-2909260-A1 (DE)
Title: Stop filter for VHF band - has adjustable centre tube in outer semicircular housing to form variable capacitor
Inventor: BLIND MANFRED ING GRAD
IPC: H03H7/01
Filed: 1979-03-09
Abstract: The UHF stop filter tunable by using an adjustable capacitor, employing a parallel resonant circuit and whose inductance acts as a surge resistance. The design uses relatively large mass conductors instead of wires. The main conductor (3) and the decoupling conductor (9) are formed of stout material in cylindrical or half cylindrical form, both are joined to inputs at the end by a flexible connection (10), and wired away to the inner (12) of a coaxial cable (13). The circuit parameters are altered by moving the two input connections (12, 13) together or apart along the guide rail on the backing plate (2) so that the one conductor (3) as a semi-cylindrical surround, interacts with the tube conductor (9) moving within it. The end connections (10) to the conductors (3, 9) of the circuit are wired through the conducting support plate (2) by means of insulating glass grommets (11).
Patent DE-2909652-A1 (DE)
Title: Lightweight flowable aggregate for construction industries - consists of beads or pellets with expanded perlite core bonded to glass and/or ceramic sheath
Inventor: GLIENKE PETER O
IPC: C04B20/10
Filed: 1979-03-12
Abstract: The aggregate is used beds, fillers and, after adding binders, in mouldings such as blocks or panels; it consists of beads, each with foamed perlite core bonded to a sheat made of glass and/or ceramic. The core may contain non-expanded perlite, and/or glass and/or ceramic; and the sheath may contain non-expanded perlite. The beads are pref. made by coating the foamed perlite cores with liq. water-glass, drying the surface, and then storing in air until the sheath has hardened. A CO2 atmos. is pref. used to accelerate hardening. The beads are next subjected to shock heating to 800-1200 degrees C in a continuous process. One of the best known lightweight fillers is foamed polystyrene, but cannot be used above ca. 100 degrees C and evolves noxious gases if heated above this temp. The invention provides beads withstanding much higher temps. and evolving no noxious gas.
Patent DE-2913399-A1 (DE)
Inventor: BLASER REINHARD DR ING
IPC: A61N1/36
Filed: 1979-03-31
Abstract: In a monitoring circuit for monitoring the state of the battery of a cardiac pacemaker, which pacemaker includes an energy storage element normally connected to be charged by the battery and to constitute an energy source for the pacemaker components, the circuit including a voltage detector connected to emit a signal when a parameter representative of the battery state passes a threshold value, the circuit further includes: first switching member for disconnecting the battery from the energy storage element during periodically recurring time periods of given duration; a fixed load having an impedance which is large compared to the internal resistance of the battery and connected to apply to the voltage detector a voltage representative of the current flowing through the fixed load; an element for connecting the load across the battery during each time period for causing the load to be supplied with a current having a value at least indirectly defining the parameter representative of the battery state; and a storage member connected to provide an indication of the emission of such signal by the voltage detector.
Patent DE-2917520-A1 (DE)
Title: Blind riser for feeding metal castings in foundry moulds - where riser contains air vent cores located at different heights to aid feeding
Inventor: BAUR EDUARD DR ING
IPC: B22C9/08
Filed: 1979-04-30
Abstract: Parent patent described a blind riser used in the cope of foundry sand moulds. The riser consists of a hollow; inverted cup provided with cores permeable to gas on the underside of its top surface. In this addn. the bottom ends of the core are located at different heights. The cores may be arranged in a circular row or consist of one or more rings; and the top of the riser may be covered by a foamed plastic plate. A cavity is formed in the molten metal directly below each core, thus improving the feeding of the casting, so the size of the riser can be reduced as compared with the risers in the main patent.
Patent DE-2918739-A1 (DE)
Title: Biuret-structure poly:isocyanate(s) for paint mfr. - prepd. continuously from 1,6-hexa:methylene di:isocyanate and water vapour
Inventor: BRUSILOVSKIJ MICHAIL GRIGORJEV
IPC: C07C273/18
Filed: 1979-05-09
Abstract: Biuret-structure polyisocyanates are prepd. by reacting 1,6-hexamethylene-diisocyanate at 150-170 degrees C with water which is delivered into the reaction zone in the form of vapours in a mixt. (moisture content 0.1-2.0 Kg/Kg) with air or an inert gas at 110-130 degrees C. The polyisocyanates are useful for the mfr. of paints and varnishes, e.g. light and weather resistant polyurethanes. The polyisocyanates (molecular mass about 800) have a relatively low viscosity and high isocyanate gp. content (about 23.59%). No polyurea is formed, so that losses of the diisocyanate are reduced and no filtration step is required. The process is single-staged, technologically simple and continuous.
Patent DE-2925093-A1 (DE)
Title: Ultrasonic level control for filling melting stock in electrodes - has constant speed profile band carrying stock
Inventor: BELOEV MARIN GEORGIEV DIPL ING
IPC: B23K35/40
Filed: 1979-06-21
Abstract: The control for the filling of the electrodes consists of a square wave generator whose output is connected to the input of a frequency divider, the output of which is fed to an impulse generator. The output of this generator is connected to an ultrasonic sensor which is firmly fixed vertically above the metal band, which moves in a horizontal direction. This sensor is connected to the input of a limit amplifier whose output is fed to a series of gates and trigger circuits. The piled up flux or filler is sensed by the ultrasonic sensor in that the time required for the ultrasonic waves to travel from the surface of the sensor to the variable profile of the filler, and back again varies proportionally to the distance between them. The speed controller of the conveyor band is connected to the drive rollers, the output from control box regulating the speed and dosing.
Patent DE-2927301-A1 (DE)
Title: Leak stopping compn. for liq. carrying appts. - contg. epoxy! resin, amine hardener, filler and additives, esp. for oil and coolant leaks in engines
Inventor: KROTZEK ALWIN
IPC: C09K3/12
Filed: 1979-07-06
Abstract: Hardenable compsn. for stopping leaks in fluid-carrying appts are comprised of (A) (cyclo)aliphatic and/or aromatic glycidyl cpds. with an av. of more than one epoxy gp. per mol. and an epoxy value of 0.3-0.6; (B)an amine hardener with at least two reactive amine hydrogen atoms; (C)fillers and (D) opt. flow agents, thixotropic agents, pigments, adjuvants and reinforcing agents. The compsns. are esp useful for in situ sealing of oil- and coolant leaks in motor vehicle and similar engines, without the necessity for dismantling. The compsns. have excellent adhesion to substrates which have been subjected to a simple solvent chleaning process to remove grease, and give long- term sealing action at operating temps of 80-120 deg.C.
Patent DE-2929555-A1 (DE)
Title: Warning signal transmission for vehicle communication system - uses filters to detect sideband of information signal employed for warning signal
Inventor: AUKSUTAT GUENTER DIPL ING
IPC: G08B1/08
Filed: 1979-07-18
Abstract: The information system between two vehicles uses FM speech transmission with a transmitter connected to a modulator where a carrier frequency is frequency modulated. The amplified signals are fed to an aerial which is inductively coupled to a fixed receiving loop. This is connected to a filter which passes both sidebands to a receiver. The vehicle also has a h.f. transmitter which transmits on either the frequency of the lower sideband or the higher sideband, and which is connected by an amplifier to a second aerial or the vehicle to transmit warning signals. These are intercepted by the receiver which is connected to an evaluator which has two parallel channels for two filters (15,16) with rectifiers (U1,U2) feeding an equaliser (17). One filter passes the higher sideband and the other passes the lower sideband. When a warning signal with e.g. the higher sideband frequency is received, an output signal is obtained at the output (14) of the equaliser.
Patent DE-2933215-A1 (DE)
Title: Securing method for railway vehicle brake disc - uses radial bolts to lock taper plugs inside sleeves around central boss
Inventor: WIRTH XAVER DIPL ING DR
IPC: F16D65/12
Filed: 1979-08-16
Abstract: The method of attaching a cast iron brake disc to the cast iron hub for a shaft to be braked is used for securing the type of brake disc known as the shaft type. The hub has eyes incorporated in a radial flange at its centre. Each secion of the flange has a hole through it, open both ends. The brake disc has a central hole with an internal surface which fits over the outside surface of the flange. This also has radial holes which are aligned with the radial holes of the hub. A sleeve is inserted through each pair of aligned holes, with a bolt through its centre. The inner end of the sleeve is tapered and a tapercollar is inserted. When a lock nut (20) is tightened against this collar, it expands the internally tapered part of the sleeve to lock the disc onto the flange.
Patent DE-2941734-A1 (DE)
Title: Pressure switch which warns of low pressure - is for double tyres of motor vehicle and has reliable separation between both tyres
Inventor: JAEHNIG LUTZ DR ING
IPC: B60C23/04
Filed: 1979-10-15
Abstract: The pressure switch has an air closure part (6) acted on by a diaphragm spring (6) with partly negative characteristics. The pressure difference between the two snap-points of the spring ensures that the two tyres being monitored are kept separate. A helical spring is parallel with the diaphragm spring and is used to set the switching point. The part (6) also operates electrical devices (16,18) that release a warning signal. The part is a membrane carrying a switching element (7) that has a sealing disc (8) on one side and the diaphragm spring on the other side. The switching element is connected via a switching rod to contacts.
Patent DE-2942694-A1 (DE)
Title: Pile driving rammer assembly - has shared support and guide frame uniting winch, drive and rammer
Inventor: JASPER JOSEF
IPC: E02D7/08
Filed: 1979-10-23
Abstract: In construction work involving driving in sheet piling, piles or similar, use is made of a pi'le-driving winch (3), with appropriate drive components and rammer (7). These are combined, so as to form a structural and operational entity, by a common supporting and guiding skeleton framework (5,6). The winch gear or its switch coupling may be switched on and off by remote control from the ground. Drive can be provided by electric or hydraulic motors. The rammer is part of a cohesive structure, with output easily calculated and regulated, without exhaust gases, and creating min.noise.