baber/WOPTO huggingface dataset:
Patent DE-2755515-A1 (DE)
Title: Vibratory spatula dental tool - has spatula mounted on spindle in contact with electromagnetic vibrator housed inside handle
Inventor: HOWA SCOTT P
IPC: A61C13/12
Filed: 1977-12-13
Abstract: The dental tool with a vibrator acting on its pointed tip (13) is used for operations such as bridging, capping, crowning, etc., and for prostheses. The tip (13) is mounted on a spindle (18) passing through a cylindrical housing (11) with an enlarged grip at the other end. This grip houses the vibrator. The vibrator consists of an electromagnetic motor (16) acting against a vibratory plate (17). This has a central boss which acts against the end of the spindle which passes through the motor itself. A screw (26) through the end cap (25) on the handle is used to adjust the intensity of the vibrations.
Patent DE-2758673-A1 (DE)
Title: Plastic refractory mass contg. alumina and chromic oxide - has high strength and resists attack by molten metal and slags
Inventor: FRIEDRICHS JAMES RAYMOND
IPC: C04B35/66
Filed: 1977-12-29
Abstract: The mass has a ratio of aggregate (a): matrix (b) of ca.2:1 the aggregate (a) being mainly fused alumina, whereas the matrix (b) is mainly materials with specific surface min. 0.1m2/g. The mass contains min. 80 wt.% Al2O3+Cr2O3, the Cr2O3 being present in the matrix (b) and forming a solid soln. contg. a trigonal phase during baking. To improve the working life and plasticity, and to suppress the formation of a spinel on baking, the mass has a min. content of MgO, iron oxides, and alkali metal oxides. The refractory has high resistance to repeated corrosive-and erosive- attack by molten metals and thier acid-, semi-basic- and basic slags; high vol. stability; high abrasion resistance; and low apparent density. The mass pref. contains 30-90% Al2O3, the matrix contg. Cr2O3 particles with specific surface (SS) >0.4m2/g. Used as monolithic structures or mouldings in the metallurgical industry.
Patent DE-2801619-A1 (DE)
Title: Rechargeable refuellable energy conversion system - for electrical appliances or vehicles
Inventor: ZITO JUN RALPH
IPC: H01M10/42
Filed: 1978-01-14
Abstract: A rechargeable refuellable energy conversion system comprises (a) >=1 single electrolytic cell comprising anolyte and catholyte compartments separated by a diffusion barrier, contg. anode and cathode plastic-C composite electrodes, and (b) closed loop anolyte and catholyte recirculation loops, including anolyte and catholyte compartments and replaceable reservoirs for anolyte and catholyte fluids. The anolyte and catholyte fluids are metal salt solns. plating out metal on the anode on charging and redissolving metal into the anolyte on discharge, and changing valence states in the catholyte without plating. Catholyte molarity is electrolytically maintained at 2.0-4.0. Oxidn. of plating/deplating metal is prevented, to combat polarisation and maintain reversability over extended charge/discharge cycling. The system is useful for motor driven appliances and vehicles. It can be recharged in situ or may be instantly refuelled by replacing anolyte/catholyte reservoirs and/or reactor (cell) cartridge.
Patent DE-2802259-A1 (DE)
Title: AC output signal correcting circuit - has amplifier providing signal output which is function of difference between input and feedback output signals
Inventor: YEN WAI LIT
IPC: H03F1/32
Filed: 1978-01-19
Abstract: The circuit for correcting an AC output signal from an electronic device into closer correspondence with an AC input signal to the combination of the circuit and device comprises first and second amplifiers arranged to each receive the input signal. The first amplifier is also arranged to receive feedback of the output signal from the electronic device for providing a signal which is a function of the difference between the input and output signals. The combination of signals from the first and second amplifiers is provided to the electronic device for producing an output signal which corresponds closely to the input signal.
Patent DE-2805035-A1 (DE)
Title: Bone sawing machine - with paddle wheel feeding bones to multi-disc circular saw
Inventor: KRAUSE ARNO
IPC: A22B5/20
Filed: 1978-02-07
Abstract: A bone sawing machine includes a revolving paddle wheel which is divided into sectors by radial blades. A contrarotating saw consists of a number (ten) of parallel circular saw discs which enter into slots of the radial blades. This eliminates injuries because the bones need not be held by hand any more.
Patent DE-2808524-A1 (DE)
Title: Combined house number and name sign - has occupant's name and house number inscribed for viewing from street
Inventor: LINDEMANN HERMANN
IPC: G09F7/00
Filed: 1978-02-28
Abstract: A display sign for use by householders is designed to give both the number of the house and the occupier's name. It is proposed that the sign be located in a position clearly visible from the street. In this way any caller is made clearly aware of the occupier without enquiring at the door.
Patent DE-2811604-A1 (DE)
Inventor: FUBEL KARL-HEINZ DIPL ING
IPC: F24J2/46
Filed: 1978-03-17
Abstract: The frame construction intended for glass plates (24), facade-lining panels and the like has a base profile (12) and a cover profile (14). The cover profile (14) is fixed to the base profile (12) supporting the glass plate (24). In order to obtain the frame construction which can be assembled from the weather side and is nevertheless watertight, the base profile (12) has an outer wall part (26) which extends essentially perpendicular to the glass plate (24) and which on the one hand projects as a ridge (28) above the surface (30) of the profile (12) and on the other hand forms at a distance from the ridge (28) two contact surfaces (32, 34) extending at right angles with respect to one another. The cover profile (14) forms an angle, which encloses the base profile (12), and bears on the contact surfaces (32, 34) of the base profile (12) via its contact surfaces (50, 52) formed at the end part. The cover profile (14) has, on the inside of the cover strip (40), a ridge (46) which engages around the ridge (28) of the base profile (12). Situated between the end of the cover strip (40) and the glass plate (24) is an at least partially elastic seal (54). <IMAGE>
Patent DE-2812787-A1 (DE)
Title: Combined wind and solar energy engine - has mast supporting wind sail and parabolic solar energy collector
Inventor: SCHATTA MARTIN
IPC: F03D9/00
Filed: 1978-03-23
Abstract: The engine is operated by wind and solar energy. The system has support mast carrying support ropes. The generator driving rope is connected to a plate acting as a sail, which can slide and rotate. The system has a parabolic solar energy collector. The solar tracking device uses a bimetallic arrangement rather than a motor.
Patent DE-2817714-A1 (DE)
Title: Sleeve type clamp for paint-brush - encloses bristle bundle and is attached to brush handle also fitted with longitudinal ribbing
IPC: A46B3/12
Filed: 1978-04-22
Abstract: The sleeve type clamp is for a painter's brush and is attached with it's rear end to the handle of the brush and encloses the bristle bundle with the front section. The clamp enclosure fits round the rear ends of the bristles to provide a fixing. Longitudinal ribs (15) are located on the inner wall (11, 11') of the clamp (1) extending parallel to the axis of the clamp (13) and beginning near to the front edge (14) of the clamp. The distance of the ribs from each other is smaller than twice the width of the ribs.
Patent DE-2821812-A1 (DE)
Title: Signal transmission circuit using transformer - has bistable flip=flop whose input is coupled to HF oscillator and output to buffer store
Inventor: PETSCHENKA EDWIN DIPL ING
IPC: H02M3/28
Filed: 1978-05-19
Abstract: The circuit is intended for potential separated transmission of digital and analogue signals. It uses for this purpose a transformer whose secondary incorporates a semiconductor rectifier bridge. A bistable flip-flop (1) has its input connected to a high frequency oscillator (2), and its output to a buffer store (3). The output of the buffer store is coupled to the transformer (6) primary. the analog or digital signal to be transmitted is fed to the operating voltage input (4) of the buffer store (3). The circuit is particularly applicable to the control of transistor setting elements in such manner that control signals from a logic circuit are transmitted to a power transistor with its base at floating potential.
Patent DE-2825714-A1 (DE)
Title: Oscillation suppressor for voltage transformers - uses prim. current to produce voltage that switches in damping resistors
Inventor: KRAEFT HEINZ DR ING
IPC: H02H7/04
Filed: 1978-06-12
Abstract: The oscillation suppressor uses the primary current of the transformer (1) as a measure of the oscillations to be suppressed. The primary of a second transformer (2) is connected in series with the main transformer's primary and it secondary produces a voltage proportional to the main transformer's primary current. This secondary voltage is applied to the gates of thyristor switches (3) in series with damping resistors (4) across the main transformer's secondary. A capacitor or inductor (5) across the second transformer's secondary sets the triggering point.
Patent DE-2826399-A1 (DE)
Title: Building element for toy construction kit - has complementary connecting elements such as springs and grooves along edges in continuous line
Inventor: STRASSER HELLMUT DR
IPC: A63H33/08
Filed: 1978-06-16
Abstract: The building element is for a toy construction kit with connecting elements to other building elements. The element is a section (10) with connecting elements (11, 12) alog its closing edges. It can be a circular ring segment extending over an angle which corresponds to the nth part of 360 degrees with n being either equal to or larger than 2. The connecting elements on both closing edges can be fixed in a continuous line and are made complementary to each other such as spring and groove.
Patent DE-2832493-A1 (DE)
Title: Cleaning waste gases - with simultaneous heat recovery by cooling to low temp.
Inventor: LAMMERS ALBERT
IPC: B01D5/00
Filed: 1978-07-24
Abstract: To recover heat when cleaning waste gases, the gases are cooled to such low temps. and in the presence of water that N oxides and S oxides, excluding CO and CO2 form drops at the cooler surface. The acidic drops, which fall from the surface of the cooler, are collected in a vessel filled with a neutralising substance. Method saves 40-50% energy and provides the heat usually produced by several power stations. Reduces environmental pollution.
Patent DE-2832912-A1 (DE)
Title: Metering valve for abrasive blasting grit - comprises handle operated eccentric control portion within chamber closed by service access cover
Inventor: GLAESNER DIETER
IPC: B24C7/00
Filed: 1978-07-27
Abstract: The valve consists of a housing on which an inlet connector (1) and inlet pipe (3) is mounted. The valve element (5) consists of an eccentric which is mounted on an operating shaft (11). When the eccentric is in the closed position, its outer face lies against the opening of the inlet pipe. The operating handle is mounted in the housing with lip seals. A cover is mounted on the housing which can be removed during service if the valve is in the closed position.
Patent DE-2836609-A1 (DE)
Title: Pad-dyeing or printing cellulose fibre blend textiles - after pretreatment with aq. bath contg. swelling agent, reactant resin and acid catalyst
Inventor: STEIGERT HARDY
IPC: D06P3/60
Filed: 1978-08-22
Abstract: Cellulose-and synthetic fibre blend textiles, partic. polyester/cotton fabrics, are pre-treated with an aq. bath contg. 10-200 g selling agent, 10-100 g reactant resin, 10-50 g acid catalyst, and opt. further additives, esp. 10-50g migration inhibitor, each wrt kg of bath. The textile is dried. A printing paste or padding liquor is then applied, contg. water, thickener, >=1 pref. difficulty sublimable dispersion dye and opt. further additives. The textile is then dried and heat-treated, pref. with superheated steam, e.g. for 7 min. at 180 degrees C or dry heat, e.g. for 60 secs. at 200 degrees C. The swelling agent is esp. polyethylene glycol having mol. wt. 300-600. The reactant resin may be an ethylene urea deriv. The acid catalyst is esp. aminomethyl-propanol HCl or MgCl2. Pref. migration inhibitors are polyvinyl pyrrolidone and/or a copolymer of Me vinyl ether and maleic anhydride. Level tone-in-tone dyeing or printing can be achieved, showing sharp outlines on a white background. The dyeings or prints are fast to washing and light. The fabrics have a crease-proof finishing without hardening fabric hand.
Patent DE-2841696-A1 (DE)
Title: Infrared remote control receiver - regulates brightness circuit of dimmer switch and has infrared photodiode coupled via amplifiers and rectifier to output
IPC: H04B10/60
Filed: 1978-09-25
Abstract: The infrared remote control receiver has an IR photodiode as a receiver in series with a resistor. The AC voltage across the resistor is applied via a capacitor to the base of a transistor forming a first amplification stage. Two further amplification stages are connected to the output of the first stage. The output signal from the third stage produces a voltage drop across a resistor. This drops is rectified and amplified and applied to an RC circuit as a DC signal for controlling the brightness circuit.
Patent DE-2844466-A1 (DE)
Title: One-piece coupling link for curtain draw chains - has upper grip-like forks enclosing balls of chain
Inventor: SEBALD WALTER
IPC: A47H5/032
Filed: 1978-10-12
Abstract: The curtain rail (1) contains tracks (2, 3) for the rollers (9) of coupling carriages (8, 9) which support the curtain by means of fingers (8). The entrainment member (6, 7) is guided by the side pieces (4, 5) of the rail (1) whereupon the ends of the ball chain (10, 11) which acts as the draw means are hung from gripper-like forks (7) of the entrainment member (6, 7). The member (6, 7) is made in one piece so that when the curtains are drawn it glides in the upper of two guide grooves in the rail (1), whilst its lower flat part (6) which projects through the lower groove of the rail hang between two curtain holders (8).
Patent DE-2846030-A1 (DE)
Title: Working veined ore deposits with varying uranium conc. - by drilling and removing different amts. according to concn. to give mixt. with constant conc.
Inventor: JOCHUM FRIEDRICH DIPL ING
IPC: E21C41/22
Filed: 1978-10-23
Abstract: Working U ore deposits, esp. veins with different U3O8 contents, covered with trash, involves drilling at various predetermined sites, removing different amts. of ore, according to the concn. of the ore concerned, and combining to a mixt. with a constant U3O8 content, pref. of 3.2%. A constant predetermined U3O8 concn. can be obtd. with few boreholes in a very small mixing plant and large open waste heaps are avoided. Specifically, it is also possible to keep the content of impurities, esp. Ni, constant. Fully automatic and even remote controlled operation is possible avoiding radiation hazards to the workers.
Patent DE-2847077-A1 (DE)
Title: Damped suspension fixture for lagged pipes - comprises multipart discs in holders fitting over pipe and secured to suspension members
IPC: F16L55/033
Filed: 1978-10-28
Abstract: The suspension equipment is for a pipe or bundle of pipes, with or without lagging. It comprises a series of suspension members (3) spaced apart and a corresponding number of multi-section discs (51, 52) fitted over the pipes (1, 2). The discs are enclosed by multi-part holders (61, 62), which are fixed to the suspension members. Each of the latter can be a strip of material containing slits, engaged by a screw (4). Each disc can be divided radially into two symmetrical halves, a layer (53) of noise-dampening material being inserted between the halves.
Patent DE-2900051-A1 (DE)
Title: Piston pump for hand held containers with liquid sprays - generates high pressure so that fluid can be sprayed without use of pressurised gas
Inventor: BAUER PETER
IPC: B05B11/00
Filed: 1979-01-02
Abstract: The pump consists of a stepped piston with two diameters (41, 42) which fit in bores in a housing (33). The housing is mounted on top of a container with the fluid to be sprayed. The piston is held in the up position by a spring (37). When the piston is depressed by the knob (36), the large diameter of the piston moves in a bore (44). After a short travel, the small diameter of the piston enters the matching bore (45) so that the air and fluid in this bore are forced out of the spray jet (40). During the up stroke of the piston the liquid is sucked up through a tube (38).
Patent DE-2904715-A1 (DE)
Title: Concealed plaster channels for wiring or heating pipes - are protected by forced-in cross-strips or clips holding covers in position
Inventor: WOLF OSKAR
IPC: H02G3/00
Filed: 1979-02-08
Abstract: Laying-in of electric wiring or heating pipes concealed in the plaster is made easier by the proposed cross strip. The latter is forced into the gypsum to hold the cover of the channel which can be made of a thin plastics section and where a strip of wood maintains the required shape. Various clips and self-adhesive tapes for securing the channel contents are offered.
Patent DE-2907709-A1 (DE)
Title: Electric saw for lopping trees - has light electromotor at end of long pole driving saw blade
IPC: B27B17/00
Filed: 1979-02-28
Abstract: The electric saw has a light electromotor at the end of a long pole and driving a saw blade. The user holds the pole at the lower end. The motor can be supplied from a standard 12V car battery or from a converter that converts 12V into 220V or from a special generator. The advantage lies in the speed with which trees can be lopped: e.g. a 15 cm branch can be removed in 5 seconds, taking by hand 10 minutes.
Patent DE-2908085-A1 (DE)
Title: Air supply filter for the interior of motor vehicles - uses several layers of chemical sorption agents and has low mfg. cost
Inventor: HOELTER HEINZ
IPC: B60H3/06
Filed: 1979-03-02
Abstract: The filter includes a flexible and permeable support (a) contg. or a adjacent to chemical sorption agents (b). The support (a) is pref. a fabric or cloth, either of which may be quilted, and esp. contg. waterproof materials, e.g. fibres or similar elements made of ceramics, glass, plastics or metals, and quilted like a mattress to form layers between which agents (b) are located. Different agents (b) may be used in the various layers. Agents (b) are pref. active carbon; and/or active coke; and/or CaCl2; and/or soda lime; and/or a catalyst for CO. The agents may be fixed in or on support (a) as a liq., e.g. NaOH soln.; or as powders; or on expanded granules of Ca-Al-silicate. The catalyst for CO is pref. 60% MnO2, 40% CuO; or 50% MnO2, 30% CuO, 15% cobalt oxide and 5% Ag2O. Air breathed by the driver and passengers is purified from noxious substances even in very dense traffic, etc.
Patent DE-2908714-A1 (DE)
Title: Drive for component setting air flow to furnace - has safety switch stopping motor when flue gas temp. exceeds stipulated max.
Inventor: DENZER ALWIN
IPC: F23N5/00
Filed: 1979-03-06
Abstract: The drive has a reversible motor connected to a safety switch and driving the setting component via a differential gear. The setting component is loaded by a spring so that the drive is fail-safe. The differential gear comprises two sun wheels and planet wheels. The gear is coupled to an electromagnetic brake which is actuated by the safety switch. A controller measures the oxygen content of the flue gases from the furnace and controls the motor accordingly. The temp. of the flue gases is measured and the result used to operate the safety switch when a given temp. is exceeded. The setting component is a flap that alters the air flow to the burner.
Patent DE-2912986-A1 (DE)
Title: Furnace exhaust heat recovery system - uses double wall jacket with condensate removal channels forming heat transfer flow passage
Inventor: KRISPLER RUPERT ING
IPC: F28D21/00
Filed: 1979-03-31
Abstract: The utilisation system for flue gases is used in a furnace plant. The flue centre section has a gas flow path around the heat recovery jacket. The heat of the flue gases is recovered at relatively low as well as at very high temp. Soot deposits in the flue channel and corrosion of the jackets are prevented. The attachment (A, B, C) is connected to a horizontal flue channel (2) of the furnace plant. The double walled jacket (8) has at least two sections, of which each is provided with an inlet and outlet connection (9, 7) for the heat carrying fluid. The lower part has a gully (7) for removal of the condensate any rainwater and has a cleaning door (18).
Patent DE-2917373-A1 (DE)
Title: Recooling device for coolant in closed circuit - includes double tube type heat exchanger in tank
Inventor: KUEMMERLE BRUNO
IPC: F25D31/00
Filed: 1979-04-28
Abstract: The cooler, esp. a re-cooler is for a coolant circulating in a closed circuit. The coolant flows through a heat exchanger which cools the coolant in a coolant reservoir while picking up heat from the cooling medium. The heat exchanger is of the double tube type, with an inner tube for the cooling medium while an enter tube spaced around the inner tube forms an annulus with the inner tube. This annulus has a coolant inlet at one end and a outlet at the other end for the outlet of the coolant into the coolant reservoir.
Patent DE-2917394-A1 (DE)
Title: Matrix display device using movable vanes - has mirror on vanes reflecting light from lamp in front of display board and second lamp is situated behind board
Inventor: SALAM HASSAN PADDY ABDEL
IPC: G09F9/37
Filed: 1979-04-28
Abstract: A matrix display comprises an array of display elements arranged in vertical and horizontal rows. Each element comprises a vane pivotally mounted for movement between stable positions in one of which the vane covers a light-transmissive area contained in an opaque member arranged to be illuminated from behind by a first light source and displays a low-reflectance face to an observer. In a second stable position the vane exposes the illuminated area to the observer and also reflects light from a second source towards the observer for which purpose the vane may be supported at an acute angle to the opaque member. Each vane is fastened to a permanent magnet arranged to cooperate with a reversibly polarisable electromagnet to be moved from one stable position to the other.
Patent DE-2926286-A1 (DE)
Title: Two component paint spray gun - has single arm trigger, actuating paint nozzle needles via air nozzle needle
Inventor: STRICH PETER ING GRAD
IPC: B05B7/12
Filed: 1979-06-29
Abstract: The spray gun has an air channel and two paint channels, which are controlled by nozzle needles, and connected via a mixing chamber to the rear end of a horizontal mixing channel. The mixing channel front end opens into the nozzle head. The two paint channels (7) are located below the mixing channel (2), and are controlled by two paint nozzle needles (9), located horizontally below the channels. The needles are actuated by the trigger (26), via the air nozzle needle (25), which is located below the needles. One end of the air nozzle needle engages on the trigger, while the other end engages on a strap (24) with a rotary disc (23). This is formed as a coupling between the nozzle needles.
Patent DE-2927422-A1 (DE)
Inventor: WIDMER MAX
IPC: B62D53/06
Filed: 1979-07-06
Abstract: A displacement device of this kind has two parallel toothed racks (3) whose toothed division (30) has to transmit the same force and is of smaller design than previously. This is achieved by means of in each case a plurality of locking teeth (19) which engage in a positively locking fashion into the corresponding toothed rack (3). As a result, the smallest displacement distance of the fifth-wheel coupling (16) on the motor vehicle can be significantly reduced. <IMAGE>