baber/WOPTO huggingface dataset:
Patent DE-2827316-A1 (DE)
Title: Circular saw blade - has radial row of teeth protruding from side face of disc and located in slot extending from between two peripheral teeth
Inventor: JANSEN-HERFELD ROETTGER DIPL I
IPC: B23D61/02
Filed: 1978-06-22
Abstract: The circular saw blade has at least one radial slot which runs from the space between two adjacent teeth towards the centre of the blade. The trailing edge of this slot is provided withcutting teeth which are wider than the thickness of the blade. The cutting edges of the teeth are inclined relative to a radius. The lower points of the cutting edges lead the top edges. The angle of inclination is pref. approximately 10 deg..
Patent DE-2827514-A1 (DE)
Title: Hair dryer hood with heat control system - has conductive surfaces on screen between drying and heating compartments
Inventor: PFENNIG GEORG
IPC: A45D20/30
Filed: 1978-06-22
Abstract: The hood for a hair dryer incorporates a heating coil (4) in front of a fan driven by an electric motor. The heating coil is shielded by a mesh (6) from the hair drying compartment (5). Two conductor surfaces (7, 8) insulated from each other are positioned near the drying compartment. One conductor surface (7) is on the mesh and the other (8) on the side of the drying compartment. Both are made of plastics and the conductor surfaces are wired as regulating capacitors into the control circuit of an electronic unit controlling the motor (2) and/or the heating coil.
Patent DE-2828249-A1 (DE)
Title: Rocket combustion chamber flow control - has one, or two diametrically opposed cylindrical slide valves with round head in duct
Inventor: HAEHNEL THOMAS
IPC: F02K9/80
Filed: 1978-06-28
Abstract: The arrangement for controlling the flow rate of hot gas in a duct (2), particularly fuel-enriched gas for the combustion chamber of a rocket propulsion unit, uses one or two slide valves (3, 4) projecting into the duct. The slide valve, or diametrically opposed slide valves are cylindrical, or a diameter (D3, D4) equal to that of the duct (D2). Their heads (3a, 4a) are shaped for a favourable flow pattern of the gas flowing past them. The valve heads may be radiused in the direction of flow only, the radius of curvature (R) being equal to half the valve diameter (D3, D4).
Patent DE-2831326-A1 (DE)
Title: Electroacoustic transducer for telephone handset - has piezoelectric plate held between two elastic rings having ridges and projections for partial response equalisation
Inventor: BOEHME WOLFGANG DIPL PHYS
IPC: H04R1/22
Filed: 1978-07-17
Abstract: The electroacoustic transducer has its piezoelectric membrane-like plate held at its edge by two elastic components comprising rings. The rings have circular ridges (14, 15) at their inner/outer peripheries and point-like projections (16, 17) on their outer/inner peripheries. The circular ridges and point-like projections are located on both sides of each ring. The depth of the ridges and the height of the projections are roughly equal or alternatively the projections may be higher than the cuts are deep.
Patent DE-2834424-A1 (DE)
Title: Packing tray for rows of items - has divider strip in gap between adjacent rows and clear of edges
Inventor: GOLLER KLAUS
IPC: B65D71/10
Filed: 1978-08-05
Abstract: The packing tray is of stiff material such as cardboard, with a plate portion from which protrusions extend upwards to hold the items in position. One protrusion at least (11) is situated in the gap (3) between two adjacent rows of items, and clear of two first opposite tray edges, which are entirely in the plane of the plate portion (5). The The protrusion can be a strip extending upwards and parallel to these edges. The two other opposite tray edges can have strips protruding upwards.
Patent DE-2840883-A1 (DE)
Title: Hot water boiler flue pipe heat exchanger - comprises surrounding shell filled with porous bricks and enables waste heat to be used for space heating
Inventor: FREIHEIT PETER
IPC: F28D21/00
Filed: 1978-09-20
Abstract: A heat exchanger for the domestic hot water boiler in the cellar of a building consists of a shell which encloses the flue pipe from boiler to chimney and extends down to the floor. The shell is filled with bricks made of a porous material. Its top is connected to ducts leading to the rooms to be heated by hot air. This utilises the waste heat of hot water boilers and saves energy. The boiler is connected by a flue pipe R to the chimney K. An insulated shell (2) of the heat exchanger (1) is filled with porous bricks. A fan (7) near the base has adjustable air intakes. The outlet (3) for hot air is connected to ducts which lead to the rooms in the building. In a test for heating a building with three flats, 2000 litres of fuel oil were saved for running the central heating of one year.
Patent DE-2843991-A1 (DE)
Title: Non-fraying tubular dressing - has weft and mesh thread laid so that there are no loose bits when cut
Inventor: MUELLER PETER
IPC: A61F13/00
Filed: 1978-10-09
Abstract: Tubular netting, suitable for use as surgical dressing, is composed and natural, plastics and rubber filaments. The natural and plastics threads run in weft direction at predetermined point where the netting is to be cut, whilst plastics threads are laid in meshes at this point. This construction ensures that no bits of threads will fray when cut, thus eliminating the risks of any fluff falling into a wound to be dressed.
Patent DE-2851859-A1 (DE)
Title: Travelling support frame for crane tower - has square base with castor wheel at each corner for tilting over uneven ground
Inventor: TAX HANS
IPC: F16M11/20
Filed: 1978-11-30
Abstract: The vertical supports (10) for a travelling framework or structure are each carried by a base frame (14) mountedon four castor wheels (12), one at each corner. To enable the structure to travel over eneven ground and hence to enable any castor wheel to be lifted higher than the others, the base frame forms an adjustable linkage. The bottom of the vertical support is carried by a base with four side members and a point higher up has a similar frame with four side members (32 to 34) clamped around the sides of the vertical. The lower frame is supported by arms (18) extending radially and horizontally outwards, connecting it to a larger square frame at the same level, to which the wheels are attached.
Patent DE-2904256-A1 (DE)
Title: Manual printer and applicator for self-adhesive labels - has carrier tape brake reinforced by spring loaded operating handle when at rest
Inventor: HERMANN KLAUS DIETER
IPC: B65C11/02
Filed: 1979-02-05
Abstract: The manual labelling unit is intended for printing and dispensing self-adhesive labels (57) releasably held on a carrier tape (27). The tape is pulled off a roll (18) and around an edge (31) where a label partly detaches from the tape and is then applied by a pressure roller (43). The tape is moved in steps by a tape transporter (25, 28) and each label is printed by a printer (13) when supported on a pressure plate (24) before it detaches. The step-wise tape and printer movement is provided by a spring-loaded (12) hand lever (8, 9) and a sring-loaded brake lever (32). In the rest position, the lever (8, 9) acts on the lever (32) so as to provide additional braking pressure on the tape.
Patent DE-2905116-A1 (DE)
Title: Double D=A converter with reduced number of switches - has series resistor chain divided into two groups with switching networks responding to highest and lowest position digits
Inventor: REDFERN THOMAS P
IPC: H03M1/00
Filed: 1979-02-10
Abstract: The D/A converter consists of a series chain of resistors connected across a reference voltage and divided into two groups. The first group comprises resistors of value R and the second group resistors of value R/4. Each tapping in the chain is connected to the input of a first switch (78-88). The outputs of the first switches are connected in twos to the inputs of second switches (82, etc.). The second switches' outputs are grouped into twos, and so on until two outputs (84, 91) are left. The analog signals which appear at these two outputs are summed. The switches are controlled by bits (A etc.) of the input work (ABCD) and by the logical complements (A etc.) of these bits.
Patent DE-2907052-A1 (DE)
Title: Surge suppressor with cylindrical housing - has cap over HV joint and spark gap parallel to axis with concave bulge on inner surface of cap
Inventor: SCHREINER BERNHAR ING GRAD
IPC: H01T1/15
Filed: 1979-02-23
Abstract: The surge suppressor consists of a cylindrical housing made from an insulating material with metallic sealing fittings. The metallic head fitting and the HV connection are surrounded by a cap made from an insulating material. The cap extends over a section of the cylindrical housing. The section of the head fitting under the cap is enclosed in a sheathing made from cast resin insulation. There is an annular space (3) forming a gap between the insulating sheathing (2) and the cap. It runs approximately parallel to the axis of the housing (1) towards the earthing fitting (5, 5'). The annular gap has an outward bulge (6) along the inner surface of the cap. The insulated casing is made from a homogeneous plastic resin.
Patent DE-2915045-A1 (DE)
Inventor: AERNE FRED
IPC: F24D3/00
Filed: 1979-04-12
Abstract: In order to save energy in a heating installation, there is arranged in the chimney (1) a pipe system (2) which communicates with a fresh-water supply (3) and a hot-water heater (4) which is in heat exchange connection with the heating boiler (5). Forward run and return run (6, 7) of the hot-water heater (4) are advantageously interconnected by an intermediate pipe piece (8). A circulating pump (9) can be built into the return run between hot-water heater (4) and pipe system (2). <IMAGE>
Patent DE-2916882-A1 (DE)
Title: Testing vehicle tyre side wall linings - measuring application force and displacement of roller sensor touching tyre wall
Inventor: WERNER FRITZ DR
IPC: G01M17/02
Filed: 1979-04-26
Abstract: Method involves clamping the tyre to a rotatable rim, filling it with air, and pressing a sensor against the side wall. The quality of the tyre is determined by a device which evaluates signals corresp. to the sensor applied tone and movement. The application force is divided by the sensor movement to enable the tyre spring stiffness to be derived. The sensor (18) consists of a parallel spring assembly (4,5,6) supporting a rotating wheel (7) and carrying strain gauges (8,9) for application tone measurement and a displacement measurement transducer (10,11). The system can be integrated into an automatic production line. Itis a safe economical testing method suitable for use with both fabric and steel belted tyres.
Patent DE-2928818-A1 (DE)
Title: Clock pulse controlled power pack with transformer - has thyristor whose anode is directly coupled to output terminal receiving reference voltage and has control transistor
Inventor: SCHICK LUDWIG
IPC: H02M3/335
Filed: 1979-07-17
Abstract: The transformer (1) has a primary (1a) connected to a direct voltage source (3,4) via at least one periodically energisable switching transistor (2). The transformer secondary (1b) is connected to two output terminals (11,12) via a thyristor (9), and a smoothing filter (10), bridged by a free-wheeling diode (13). The thyristor is interconnected into the reference voltage line of the secondary circuit. The thyristor cathode is directly connected to the transformer secondary. In order to increase the igniting current (I21) with a high current steepness at the switching moment, the thyristor is energised via a pnp-transistor (18), whose emitter is coupled to the output line (11), at which appears the output voltage (UA). The transistor collector is connected to the thyristor control electrode via a decoupling diode and a resistor (21), while being connected to the thyristor cathode via further resistor (25).
Patent DE-2932520-A1 (DE)
Title: Multipurpose modular constructional components - comprise triangular frames of angular sections with external coupling member for slidable engagement
Inventor: DOBERSTEIN HEINZ
IPC: F16S3/04
Filed: 1979-08-10
Abstract: The constructional components allow the assembly of stable structures of all types, using the modular principle. They comprise triangular frames of angular cross section (1), with coupling members (2,3) on their outside surfaces, sliding into engagement with similar members on other frames. This allows any number of frames to be detachably secured together in a three-dimensional structure. These members can be in the form of dovetail joints, with trapezoidal grooves accommodating correspondingly shaped keys. The coupling may be provided by a rail system consisting of several parallel T-shaped strips and corresponding number of U- shaped strips.
Patent DE-2936154-A1 (DE)
Title: Horizontally opposed internal combustion engine - has two banks of cylinders with crankshafts out of phase to reduce space needed
Inventor: BERG JOSEF
IPC: F02B75/24
Filed: 1979-09-07
Abstract: The engine has horizontally opposed cylinders (10,11,12,13) arranged in two groups with one group (10,11) vertically above the other (12,13). Each group has its own crankshaft (4,5) between its opposed cylinders and the two crankshafts are joined at their ends by gears. The output is taken from one of the crankshafts. The two crankshafts rotate in opposite directions (16,17). Their cranks are displaced by the circumferential distance corresponding to one stroke of the engine. With this arrangement the balance weights (14,15) are never in line and the crankshafts can be closer together than twice the radial projection of the balance weights.
Patent DE-2936519-A1 (DE)
Title: Contact arrangement for transformer stage selector - has main and auxiliary change-over switches on common drive voltage
Inventor: WIDMANN WERNER ING GRAD
IPC: H01F29/02
Filed: 1979-09-10
Abstract: A high voltage transformer with a wide operating range provided by a stage selector is designed to avoid high voltage surges through the contacts. The winding of a three phase input (51) is coupled to several coarse windings (54,58), each of which have an associated relay switching stage (55,59). The fine winding (62) has multiple pick-off points (63) that are in contact with a wiper arm (64), connected over a load switch (65) generating the regulated output voltage (66). An auxiliary switching stage (67) coupled to a pick-off (24) controls the voltage generator to avoid surges.
Patent DE-2937158-A1 (DE)
Title: Therapeutic radiation lamp unit - has two filters selecting desired waveband and allowing use of conventional incandescent lamp
Inventor: DEGISCHER WALTRAUD-MARIA
IPC: A61N5/06
Filed: 1979-09-13
Abstract: The lamp unit has two infra-red filters (3,4): the first transmits wavelengths lying between 900 and 1100 nm; the second transmits wavelengths between 700 and 900 nm. Each filter has a transmission max. in the region of the other's transmission min. The lamp is a low-voltage halogen lamp. The filters are 350 mm in dia., 30 mm apart, and ground and polished to a thickness of 4.5 mm.. The radiation lamp is simple and cheap. The lamp may be a standard incandescent lamp readily available commercially. The filters only allow radiation within a narrow range of wavelengths to be transmitted.
Patent DE-2941177-A1 (DE)
Title: Extracting specimen from liq. or gas reservoir - using evacuated container with sensor extending through sealing stopper for inlet
Inventor: DOBRIK MICHELE
IPC: A61J1/20
Filed: 1979-10-11
Abstract: Liq. or gaseous samples are taken from a reservoir by means of an evacuated container with an inlet aperture sealed by an elastic enclosure stopper. A sensor penetrating the latter enables the container to be brought into contact with the reservoir. The stopper (3) has a pocket (4) surrounding the end (12) of the sensor (10) to seal it in position. The base of the pocket (4) has a passageway (5) extending to the other end of the stopper. The walls of the passageway rest against each other to seal the opening offered when the sensor (10) is not pushed through it. When the sensor (10) does extend through the passageway it surrounds it in a sealing, tight-fit manner. The pocket can be in the form of a cylindrical bore.
Patent DE-2941246-A1 (DE)
Title: Trimming keel for water craft ballast transfer to windward - is pivoted at hull-bottom level to tilt transversely, fitted with operating equipment
Inventor: DONAT JOHANNES
IPC: B63B41/00
Filed: 1979-10-11
Abstract: The trimming-keel (1) for ballast transfer to windward, partic. for wind-propelled watercraft, is pivoted (2) underneath or just inside the hull, allowing it to be tilted transversely. Mechanical, hydraulic or electrical means (4), or a combination of these, are provided to produce this movement. A gasket (3) may seal the keel-aperture in the hull, alternatively a watertight deck may be fitted above the entire assembly. If the keel is of the retractable-centreboard form, the housing may be mounted tiltably instead of the keel.
Patent DE-2949479-A1 (DE)
Inventor: KRUEGER GERHARD DIPL ING
IPC: F27B7/20
Filed: 1979-12-08
Abstract: A process for drying and/or calcining bulk material in a rotary kiln when hot gases are passed countercurrent to the flow of bulk material thereto, and the bulk material is dried and/or calcined in the rotary kiln is disclosed. According to the invention, the bulk material is dried and/or calcined, as it passes from the feed end of the rotary kiln to the discharge end thereof, by contacting the same with hot gases and thereafter, as the bulk material passes towards the discharge end of the rotary kiln, the bulk material is heated by indirect heat exchange with such hot gases. An apparatus for carrying out such process is also disclosed. The apparatus is a rotary kiln equipped with a centrally disposed tube, disposed axially within the rotary kiln toward the bulk material discharge end of the rotary kiln whereby an annular space is defined between the outer wall of the central tube and inner wall of the rotary kiln. The apparatus is equipped with means for passing hot gases within the central tube, means for passing bulk material on the outer wall of the central tube whereby the bulk material can be heated by indirect heat exchange with hot gases within the tube.
Patent DE-2952197-A1 (DE)
Title: Low loss standby power supply - provides low output continuously from battery, and increases voltage immediately failure is detected by mains monitor
Inventor: CLEWING MICHAEL DR ING
IPC: H02J9/06
Filed: 1979-12-22
Abstract: The incoming mains supplies a bus-bar to which the equipment is connected. The standby supply comprises a battery which is recharged from a motor-driven rectifier unit and an inverter which incorporates the change-over control. The standby unit feeds the bus-bar through a transformer, filter and switch unit. The main control circuitry is coupled to a monitor which detects incoming mains. A voltage regulator monitors the mains and controls the standby output, when connected, to that value. Whilst the mains is present at the monitor and is supplying equipment, the standby output is held at a low voltage by capacitor and thyristor circuitry in the inverter change-over control. The low output reduces losses through the transformer and filter. The low output is synchronised with the mains and when the mains fails a time constant control output from the monitor triggers thyristors and recharges capacitors in the inverter control so that a high output, of mains value, is available and switched to the bus-bar.
Patent DE-3001188-A1 (DE)
Title: Anthrapyrimidine cpds. useful for dyeing and pigmenting polymer - e.g. polyacrylate, polycarbonate, polystyrene and polyamide
Inventor: SCHROEDER BERND DR
IPC: F21K2/00
Filed: 1980-01-15
Abstract: New anthrapyrimidine derivs. (I) are 6-amino-7H- benzoperimid-7-one cpds. of the formula (in which R1 is H, (cyclo)alkyl or ar(alk)yl. R2 and R3 are CN or an opt. substd. ar(alk)yl gp. bound via O, S or SO2. R3 can also be H. R4 is H, (cyclo)alkyl or acyl; if the acyl gp. contains an aromatic gp., this can be substd.). R2 is pref. CN or (substd.) O-ar(alk)yl, esp. phenoxy. R3 is H or as R2. R1 is H, 1-6C alkyl, 3-7C cycloalkyl, phenyl, naphthyl, benzyl or phenethyl. R4 is H, 1-6C alkyl, 3-7C cycloalkyl, 1-6C alkylcarbonyl or opt. halogen-, 1-6C alkyl- or 1-6C-alkoxy-substd. benzoyl. (I) can be prepd. by various well-known methods, e.g. (A) by reacting a 4-bromo-6-amino-7H-benzoperimidone cpd. with excess alcoholate, using a basic condensing agent; (B) by reacting a 1,4-diamino,2, 3-disubstd. anthraquinone cpd. with formamide in phenol or with the corresp. nitrile in the presence of acid catalysts; or (C) by stirring solns. of formamidine salts of these anthraquinone cpds. into a soln. of ammonium salts of weak acids in alcohols. (I) are specified for use as dyestuffs and for bulk colouring of natural and synthetic polymers. These include polyacrylate, polycarbonate, polystyrene and polyamide. Yellow to orange fluorescent shades with high fastness, esp. to light, are obtd. (I) can also be used as energy converters in liq. andsolid light collecting systems.
Patent DE-3001962-A1 (DE)
Title: Relay with magnetic path return yoke - has edge of coil flange abutting against yoke spine inner surface
Inventor: PIRNER PAUL ING GRAD
IPC: H01H51/06
Filed: 1980-01-21
Abstract: One shank of the U-shaped yoke forms the core of the excitation coil. The relay has an angular armature and a contact support fastened to the free shank of the yoke, whose contacts are actuated by the armature. The coil has securing members for mounting on the yoke shank. The outer surface of a flange (19) of the excitation coil (2) abuts the inner surface of the yoke (4) and spine (5) connecting both yoke shanks (3,6). The contact support (14) has at least one lateral holding arm (17,18), reaching beyond the inner surface of the coil flange. If two such arms are provided, they reach over the free shank (6) of the yoke. The two lateral arms are preferably parallel. The spacing of the arms at the shank overlapping point is slightly smaller with the contact support removed than the yoke part held between the arms with the contact support mounted.
Patent DE-3002618-A1 (DE)
Title: Pair of hydro-skis for walking on water - keeps walker above water by its own buoyancy and skis are shaped to exert greater resistance to rear
Inventor: KUEPPERS HARTMUT
IPC: B63B35/81
Filed: 1980-01-25
Abstract: The hydroski is designed to permit walking on water. The hydroski keeps the water walker above the water by its own buoyancy and it is made to exert great resistance in the water towards the rear which makes it possible to push forward with the other hydroski which has little water resistance in the forward direction. The shape of the hydroski makes it impossible for one ski to undercut the other and also allows any water running over the top of the ski to run down its sides. Along the middle of the ski upper side there is a device to insert the skier's foot fitted with holding devices for the shoe.
Patent DE-3003262-A1 (DE)
Title: Domestic appliance fitment into kitchen unit system - consists of screening strip with frame slot carrying indicators for appliance
Inventor: SCHEUERLEIN HANS
IPC: A47B77/08
Filed: 1980-01-30
Abstract: The domestic appliance fitment, such as for a dishwasher or washing machine, is for incorporating into a kitchen unit system, and has a door on the front supporting a decorative plate. Above the plate and on the door, there is a screen strip (3) with several indicators on it. The screening strip (3) has a frame (5) beneath which the top of a high decorative plate or a piece (10) fitting onto a low decorative plate (4) is slotted. The frame (5) consists of an extension of the front of the screening strip (6).