baber/WOPTO huggingface dataset:
Patent DE-2842984-A1 (DE)
Title: Profile rail for friction roller conveyor track - is made from light alloy covered with wear resistant material such as steel
Inventor: SIMONIS GERHARD ING GRAD
IPC: B65G13/11
Filed: 1978-10-02
Abstract: The profile rail or side jaw is made from a material subject to wear such as aluminium or an aluminium alloy. It is used for a friction roller track with a side guide surface and a raised upper surface relative to the friction rollers. The upper sides of the profile rails are fitted with a covering made from a wear resistant material such as steel. The wear resistant covering is shaped to fully cover the upper side of the profile rail and forms a projection relative to the interior side of the profile rails or to a guide ledge fitted on them on that side which faces the friction rollers.
Patent DE-2844835-A1 (DE)
Title: Thrombo-resistant blood-compatible plastics prepn. - by admixing or bonding organic semiconductor, e.g. phthalocyanine, to plastics material
Inventor: BRAUNER HOLGER DR RER NAT
IPC: C08K5/34
Filed: 1978-10-14
Abstract: Blood-compatible plastics are produced by dissolving, dispersing or emulsifying an organic semi-conductor, (A) in a plastics material or by adsorptively, -ionically or covalently bonding (A) to a plastics surface. (A) is esp. a monomeric, oligomeric or polymeric phthalocyanine, or deriv. The plastics material may be a polyurethane, polyamide, silicone, fluoropolymer, polyester, polyethylene, polypropylene or PVC or a highly polymeric opt. regenerated or modified natural prod. Blood compatible plastics are used in replacement surgery esp. in cardiovascular surgery, e.g. as vessel replacement, artificial heart valves and arterio-venous shunts; as -implants, e.g. oxygenators, kidneys or temporary catheters and as throw-away articles in contact with blood, e.g. syringes, blood-bags and catheters. The prods. are thrombo-resistant.
Patent DE-2847053-A1 (DE)
Title: Sprung retaining ring for wheel trim - is made with toothed edge to grip inside wheel rim for firm location
IPC: B60B7/12
Filed: 1978-10-28
Abstract: The circular wheel trim is held in place inside the wheel rim by a special clamp ring made from a thin metal pressing with arrays of fingers (27) at both edges. The ring is slotted to allow simple bending over of the fingers after the ring has been bent into a securing hoop. The fingers have double points on one side to improve the grip inside the wheel rim. A series of holes (25) in the metal allow the hoop size to be set to fit different wheel rims.
Patent DE-2906097-A1 (DE)
Title: Scraper chain conveyor system - has lateral portions joined by bolts and cross-struts supporting interchangeable trough
Inventor: BECKMANN KLAUS PROF DR ING
IPC: B65G19/28
Filed: 1979-02-17
Abstract: The scraper-chain conveyor is particularly for the working face of an underground mine. It has trough sections with lateral profiled portions assembled from a number of components and joined by cross-struts to form a path for the chain, the struts being detachable from the lateral portions. The cross-struts (5, 6) are secured to the lateral portions (2, 3) by bolts (8) inserted from above and which also secure the components of the lateral portions (2, 3, 18, 19) to each other. The cross-struts are inclined to each other, and form a support for an interchangeable trough (16).
Patent DE-2910866-A1 (DE)
Title: Microwave signal amplifier - with TRAPATT diode receiving working frequency harmonics from IMPATT diodes
Inventor: KAPPELER FRANZ DIPL ING
IPC: H03B9/14
Filed: 1979-03-20
Abstract: Microwave signals of high power are generated or amplified by the use of avalanche-effect diodes with a strong content of harmonics, for example TRAPATT diodes. Such a diode receives an effective power at one or several harmonics of the working frequency. The sources for such an effective power are frequency multiplier circuits which receive at their inputs the working frequency. They can be negative resistances, for example, IMPATT diodes (impact avalanche and transit time diodes). System combines a greater improved power and efficiency with a high stability. The overall dimensions of the appts. have been minimised.
Patent DE-2913048-A1 (DE)
Title: Thermostatically-controlled medical skin sensor - takes simultaneous electrical and thermal measurements on skin surface
Inventor: TIETZ ERICH
IPC: A61B5/00
Filed: 1979-03-31
Abstract: The face of the probe contains a point electrode in the centre surrounded but insulated from a ring electrode. These two electrodes enable an electrical measurement to be taken. Attached to the rear of the point electrode is a temp. sensitive resistor enabling a measurement to be taken at the same point on the skin. To enable accurate temp. measurements to be taken despite the thermal interference of the probe body, an electrical heater is included in the probe to enable it to be thermostatically controlled. Holes in the outer surface of the ring electrode and between the two electrodes enable a free circulation of air.
Patent DE-2913523-A1 (DE)
Inventor: SAUTER HUBERT DIPL CHEM DR
IPC: C07D211/70
Filed: 1979-04-04
Abstract: Substituted alkylammonium salts of the formula   <IMAGE>   where Ar denotes substituted phenyl, X denotes oxygen or sulfur, n denotes one of the integers 0, 1 and 2, B denotes bicyclic quinuclidine, bicyclic pyrrolizidine or substituted ammonium, and Z denotes the anion of a nonphytotoxic acid, the manufacture of these compounds, and their use as plant growth regulators.
Patent DE-2914876-A1 (DE)
Title: Wall map holder with gripper arms - has arm ends hinged to operating rod with long bores for adjustment
Inventor: WINN KLAUS
IPC: A47B97/02
Filed: 1979-04-12
Abstract: The man holder has two scissor-like gripper levers (6, 7) whose two ends (12, 13) are connected for articulated movement to an operating lever (9). The point of articulation (15) of the gripper lever is displaceable in an elongated hole (16) in the operating lever. The end of the operating lever is connected to an upright post, or tube at a distance from the swivel point (8) of the horizontal jib arm (5), which is swivel mounted on the upright. The holder only requires a single operating rod through which the two gripper levers can be operated simultaneously. The operating lever can be stored in a low level, box-like jib arm.
Patent DE-2920728-A1 (DE)
Title: Short circuit protection system for railway power transmission lines - uses testing pulse control with delay system controlling switching operations
Inventor: OHRBAND WERNER DIPL ING
IPC: H02H3/06
Filed: 1979-05-19
Abstract: The control system for protecting equipment receiving power from an overhead transmission line includes an automatic system of testing and return switching, giving protection against short circuits. A control unit in one section generates control pulses to operate a system of flip-flops, and has a ring counter, an oscillator, a binary counter and a set of switches. These connect to a decoder in the branch section. A delay system blocks switching action, if a fault is detected. The transmission line section being tested is cut out, if there is a fault during the delay period included during a test for return switching, due to the operation of the flip-flops.
Patent DE-2921406-A1 (DE)
Title: Tube grid for heat exchanger - consists of rectangles formed by short bridging channels between deeper parallel strips
Inventor: WITTMANN DIETER DIPL ING
IPC: F28F9/013
Filed: 1979-05-26
Abstract: The tube grid for a reaction vessel, as in 2914452, forms a heat exchanger which has the rows of tubes (5) enclosed between parallel strips (10). At right angles to the strips are included short cross members (11) so that each tube is enclosed inside a square. Each cross-member is U-shaped in cross section, the depth of each member being much less than the depth of the strips. The strips and cross members thus form a grid around the tubes.
Patent DE-2923087-A1 (DE)
Title: High pressure polymerisation of unsatd. cpds. - using initiator cpds. of different activity in piston compressor cylinder to save energy
Inventor: SCHOENEMANN KARL PROF DR PHIL
IPC: C08F2/00
Filed: 1979-06-07
Abstract: In the polymerisation of unsatd. cpds. under high pressure and elevated temp., one or more initiators of different activity are used in the polymerisation reaction taking place in the cylinder of a piston compressor. It is pref. to add inhibitor of the decompsn. reaction to the reaction mixt. All or much of the energy used for recompressing the unchanged charge when compression, polymerisation and expansion are carried out in separate pieces of appts. is saved by using a single piece of appts., which resembles a 2-stroke diesel engine. Processes of this type are useful in the gas phase polymerisation of ethylene, propylene, vinyl chloride etc., using O2, peroxide, azo cpds. etc. as initiators.
Patent DE-2926973-A1 (DE)
Title: Armoured fighting vehicle fire direction system - has connection from sighting periscope to that of operator using two optical channels
IPC: G02B23/04
Filed: 1979-07-04
Abstract: The light striking the mirror system (8) of the sighting periscope is distributed over two optical channels, one leading to the eyepiece (15) of the sighting periscope and the other via a tube connected to the commander's periscope when the azimuthal positions of the sighting lines of both periscopes coincide. In the commander's periscope is incorporated a mirror (16) which can be swung into the path of the light beams, so as to connect the second optical channel to the eyepiece system (17,18,19) of this periscope. Pref. the mirror serving motion is automatic, when the sighting lines of both periscopes coincide. This serving motion may be alternately carried out manually via a lever.
Patent DE-2929711-A1 (DE)
Title: Hydraulic winch for recovery vehicle - has two cylinders with hollow pistons containing rope clamping jaws
Inventor: FLEHR DIETMAR DR ING
IPC: B66D3/00
Filed: 1979-07-21
Abstract: The hydraulic winch is for hauling and lifting loads, particularly onto vehicles. It comprises two haulage cylinders, through whose hollow pistons, equipped with clamping jaws, the rope is passed. A guide tube can be provided, through which the rope is passed into a drum cage. Pistons and jaws can be sealed by round membranes, and the jaws can be subjected to the pressure in the respective cylinders, so that the pressure on the rope always matches the haulage force. The jaws can be of the round-piston or wedge-type, in the latter case actuated by pistons and springs.
Patent DE-2933462-A1 (DE)
Title: Voltage regulator for AC generator - feeds rectified DC to generator field via chopper circuit, controlled by voltage and field current feedback from generator terminals
Inventor: SAWA KUNIHIKO DIPL ING
IPC: H02P9/30
Filed: 1979-08-17
Abstract: The generator (1) terminal voltage is transformed (3) and rectified (4, 41). The resulting DC supply is fed to the generator field (13) through a chopper circuit (5). The control circuit (6) for the chopper receives signals from the generator terminals and also from a transducer (51) in the field circuit. The voltage signal is compared (61) with a set reference (23), and the resulting error fed to a comparator (65) whose other input is a field current dependent signal from the transducer. The comparator output controls the chopper timing.
Patent DE-2935469-A1 (DE)
Inventor: MUELLER ERNST
IPC: E05D7/086
Filed: 1979-09-01
Abstract: In order, in the construction of a frame consisting of frame parts, to be able to finely adjust the mutual position of two frame parts, a lever member (HG) with two actuating members (H1, H2) is used in each case for connecting two adjacent side parts (AS1, BS2) of the two frame parts. Provided in the first side part (AS1) are a horizontal guide (AH) and a bearing slot (AL) arranged perpendicular thereto, and a bearing disc (BG) with a threaded bore is fixed on the other side part (BS2). A pin-type support element (S) of the lever member (HG) engages in the bearing slot (AL) of the first side part (AS1), and a threaded stem (Z), provided with a rotary knob (K) and a pressing-on plate spring (T) and passing through the horizontal guide (AH), serves for screwing the lever member (HG) to the bearing disc (BG) of the other side part (BS2). By pivoting the lever member (HG) within the angular range (X, Y), the mutual position can be changed within the limits indicated by dashed lines. <IMAGE>
Patent DE-2938000-A1 (DE)
Title: Interference proof small figured combination lock - has setting wheels with holes sealed in opening combination setting when manufactured
Inventor: JOERG DIETER
IPC: E05B37/02
Filed: 1979-09-20
Abstract: On strongboxes, briefcases, or other containers, a lock with numbers has an adjustable opening combination and setting-wheels. The wheels (9-11) are sealed in an opening setting set by the maker. The wheels pref. have holes (12) in them, coming into alignment in an opening position set by the maker, and secured in it by a seal (13,14), which can be located above the lock plate (3). The seal can be a wire with sealed ends. This obviates any danger of the combination being set by assistants in a shop, and then sold to a purchaser who finds he cannot open the lock.
Patent DE-2938938-A1 (DE)
Title: HI=FI sound reproduction circuit - is used in record player or tape recorder and has bass and treble loudspeakers connected via resonant circuits to shared inputs
Inventor: KAWAMURA SHINICHIRO
IPC: H04R3/14
Filed: 1979-09-26
Abstract: The sound reproduction circuit has a bass loudspeaker (1) connected via an appropriate resonant circuit (101) to the two input terminals (23, 24). There is a treble loudspeaker (2) connected via an appropriate resonant circuit (102) to the same two inputs. The Qs of the two resonant circuits are reduced by a given amount to two equivalent Qs. The equivalent Q of the bass loudspeaker resonant circuit is equal to the boundary frequency between the two resonant circuits divided by the HF band - resonant frequency of the first order. A similar expression exists for the other resonant circuit.
Patent DE-2939353-A1 (DE)
Title: Vacuum cleaner mouthpiece with suction around wall edges - has full width channel defined by insert preventing clogging
Inventor: EBERTH HELMUT
IPC: A47L9/02
Filed: 1979-09-28
Abstract: The base plate (4) of the mouthpiece housing (1) which has at least one suction channel (5) ends a distance away from the adjoining front side wall (3). The suction gap (8) which is now formed is connected to the other suction channel (9) which at the front side wall (3) runs up and is conically tapered back to the suction pipe (6) which connects with the swivel connecting tube (7). The inner wall of the mouthpiece housing (1) now forms part of the wall of the suction channel while the opposite wall is formed by the insert member (10) which has an inclined wall section to reduce the width of the channel (9) to the width of the pipe (6), to reduce the danger of a blockage forming in the additional suction channel (9).
Patent DE-2943277-A1 (DE)
Title: Noise screen cubicle shaped panel element connection - involves flat corner pieces joining frame profiles to panels meeting at angle
Inventor: SCHREIBER HANS
IPC: E04B1/86
Filed: 1979-10-26
Abstract: The sound-insulating element is surrounded by a frame made up from profiled pieces (2), these and the element being assembled together by means of plug and/or screws connections, in walls, ceilings, cubicles, or other structures providing protection from noise, as in 2752907. With panel elements joined to each other at an angle, the profiled pieces are connected to the corners enclosing the angle (a) by a flat corner unit (4a) in each case. Each flat corner unit may have two plug-in arms (5a, 6a) adapted to the profile cross-section. This simplifies construction of three-dimensional noise screens, esp. cubicles.
Patent DE-2946768-A1 (DE)
Title: Hob for cooking appts. - has heating element holders secured to frame by wire rings joined in pairs
Inventor: TREDER NORBERT
IPC: F24C15/10
Filed: 1979-11-20
Abstract: The hob has a ceramic top plate held in a frame and with several heating zones held in holders open at the top. The holders are held to the underside of the plate by springs that engage brackets. The brackets are designed as wire rings (8,8'). Two rings are combined to form a double-ring frame (6). Each wire ring has centerings (9,9') for corresponding parts (10) in the bottoms of the heating holders (4,4'). The wire-ring frame has lateral posts (11,11') and is held against the heating containers by an insulating wall (14).
Patent DE-2947036-A1 (DE)
Title: Wind driven power generator - has lighter than air vanes utilising thermal currents as well as direct wind force
Inventor: ZEIDLER WILLI
IPC: F03D80/70
Filed: 1979-11-22
Abstract: A horizontal main frame above the ground supports a crankshaft with two cranks. An aerodynamically shaped hollow vane is attached to each crank. The vanes are filled with a gas lighter than air. A control mechanism moves ailerons on the vanes up and down so that the wind flowing over them produces upward and downward forces alternately. The crank mechanism transforms these into rotation of a disc on the crankshaft which has a belt drive to a machine on the ground. Thermal currents in the air caused by heat from the sun or other sources add to the propulsive force.
Patent DE-2951662-A1 (DE)
Title: Wedge assembly for forge die fixing - has concave matching with convex wedge face and clamp screw shank with radial projections at antinode
IPC: B21J13/03
Filed: 1979-12-21
Abstract: The wedge assembly is for securing a forging die to the ram of a drop forging press. It comprises a wedge (1) and counter- wedge which are clamped together by a tensioning screw (3) with springs. The corresponding wedge faces are concave and convex respectively as seen in cross-section and the screw shank is provided with one or more radially projecting portions to increase the frequency and reduce the amplitude of operational vibrations and thus reduce the incidence of fracture. The surface may be coated, pref. with a non-metallic material pref, plastic, to reduce the tendency to pressure-welding and friction.
Patent DE-3004589-A1 (DE)
Title: Temp. control for cooling cellar spaces - has fan and temp. sensors mounted in aperture in wall with inlet and outlet louvres
Inventor: SCHEFENACKER RAINER DIPL ING D
IPC: F24F7/013
Filed: 1980-02-08
Abstract: The cooling system is suitable for a room which is separated from the outside by a wall (22), and consists of a carrier plate (3) set in the opening (26) in the wall (22) on which the necessary components are mounted. The plate (3) has two louvred openings for inlet air and an exhaust air opening (12) behind which, a fan is situated (11). The fan (11), expels air from the room so that fresh air enters the inlet louvres and travels via ducts (13) to the floor of the room, the warmer air rising to be expelled once again by the fan (11). The installation is controlled by circuitry that contains a thermostat, a sensor (5) mounted on the outer surface of the plate (3) and a sensor (9) on the inner surface. If the set temp. required for the room is exceeded, the thermostat closes and if the outer temperature sensor (5) registers a lower temperature than the inner sensor (9), a relay is closed and the fan (11) starts to expel the warm air until a balance is once again reached.
Patent DE-3005833-A1 (DE)
Title: Toner reservoir for photocopier - has inner walls with sand-blasted surfaces to prevent caking
Inventor: ZEILMEIER JOSEF
IPC: G03G15/08
Filed: 1980-02-16
Abstract: The toner reservoir for a photocopier has a lightweight alloy casting a housing with the internal surface sandblasted and treated to prevent the toner from caking. The toner mixture is agitated to provide an even mix. An automatic top up control ensures a constant quality copy over a large number of cycles. The alloy housing is covered by a lid (4) with attached hopper (5) likewise treated to prevent caking. An agitator in the hopper maintains the mix and moves the toner to a foam roller (6) in the bottom of the hopper. This rotates at a rate controlled by the copy throughput and adds toner to replenish the mixture in the machine. A profiled blade agitator (16) spreads the toner onto the magnetic dosing roller (8) from where an even coating is applied to the process drum (15).
Patent DE-3009030-A1 (DE)
Title: Thin polygonal honeycomb ceiling cladding panel mounting - involves locking onto arms of interconnecting nodal profile units
Inventor: THERMANN HANS-CHRISTOPH ING GR
IPC: E04B9/34
Filed: 1980-03-08
Abstract: A number of geometrical configurations, esp. polygons, are included in cladding for a ceiling, made up from thin-walled panels. The panels (1) are joined together by nodal elements, in the form of nodal profile units (20). Each of these has one stem-type arm (120) extending in the direction of a panel to be accommodated, each panel being fixable by notching in place on an arm. Panels can have hook-type notching lugs (10) on their fixture sides, for locking into corresponding recesses (320) in nodal profile arms. Assembly of the structure is quick and easy, with panels securely fixed in all three axial directions.
Patent DE-3015804-A1 (DE)
Title: Pressurised fluid container assembly - includes cap with central outlet and projecting sealing pin on container
Inventor: KIEBER LOTHAR
IPC: B65D47/24
Filed: 1980-04-24
Abstract: The package has a pressure-proof container, with a valve, and a displaceable cap, which operates the valve. The cap has a central outlet aperture (20) in the base (19). The container (1) has a projecting sealing pin (12) which engages tightly on the outlet, when the cap (18) is in a rest position. The valve is formed as a tilting valve (3). The free end of the sealing pin has an esp. truncated cone-shaped sealing surface. The cap has an internal thread and is fastened to the container in a hollow socket (9), of flexible material, which has an external thread (16).
Patent DE-3015907-A1 (DE)
Title: Built-up exhaust-line chamber of enamelled sheet steel - has sheet steel inserts, perforated with downstream hole-edge projections variously shaped
Inventor: BAUMANN WERNER DR ING
IPC: F01N13/16
Filed: 1980-04-24
Abstract: The built-up exhaust-line chamber of enamelled sheet steel is generally as in 2917586. However, it now has sheet-steel inserts (28,29,30) embodying perforations (33) round-edged (38) on the upstream- and with projecting rims on the downstream side. These rims may be bent up into the flow, form a cylindrical neck (36) or ragged-edged lobes (34), or be bent back flat to make the hole round-edged on both sides (35). With or instead of sheet-steel inserts, pre-formed ceramic discs (31) can be used, 5 to 25 mm thick with 3 to 80 mm dia. holes (39).
Patent DE-3021132-A1 (DE)
Title: Small welding appts. for gas welding, flame cutting or brazing - is mounted on stand fitted with telescopic handle and removable trolley wheels
Inventor: STAHL EBERHARD
IPC: B23K5/22
Filed: 1980-06-04
Abstract: The appts. includes a vertical pillar ending in a foot which can rest on the ground. On the pillar above the foot is a frame, which can be moved along the pillar and clamped at a desired height. The frame is fitted with two slotted plates employed to hold a removable shaft carrying two trolley wheels. The result is that the pillar can either rest on the ground or be used as a trolley. The pillar is hollow and contains a telescopic tube which can be raised or lowered and clamped in either an upper or lower position. The pillar is provided with clamps holding gas bottles contg. compressed air or O2, and a fuel gas, plus a cabinet in which welding tools, hoses, filler rods, burners etc. are stored. The trolley permits the appts. to be moved over long distances, i.e. it can be towed by a motor car, followed by removing the wheels so a stable pillar holding the appts. is obtd.