baber/WOPTO huggingface dataset:
Patent DE-3926804-A1 (DE)
Title: Valve drive for IC engine - makes use of spring-loaded buffer and positive connection drive
IPC: F01L1/12
Filed: 1989-08-14
Abstract: The valve drive system is for an IC engine. It comprises a transmission element (3) supported on a double sided spring loaded spring buffer (5) and a cross bar (23) subject to the force of a spring (22). An opening spring (2) or a positive connection drive (28) pull the valve through the gas channel (46) on to a cooling seat (11). USE/ADVANTAGE - Valve drive in which with gases flowing at high speeds in the inlet and outlet channels, the valve drive components do not cause a narrowing of the gas flow path.
Patent DE-3928077-A1 (DE)
Title: Catch for tail-board or side-board - is fitted on goods vehicle and is released using upward swinging lever
Inventor: LEBOLD WILLI
IPC: E05C3/24
Filed: 1989-08-25
Abstract: The hinged tail-board or sideboard of a goods vehicle is held in its vertical position by means of a bolt (23) which engages a recess (24) in a pivoted catch (18). This catch (18) can be swung about its mounting bolt (19) by means of a lever (16). When the lever (16) is swung outwards, the catch (18) is rotated in the anti-clockwise direction, so that the bolt (23) can be swung out of the recess (24) as the tail-board or sideboard is swung downwards. The catch is automatically swung to the locking position when the tail-board or sideboard is swung upwards. USE - Tail-board or side boards for goods vehicles.
Patent DE-3929660-A1 (DE)
Inventor: CRUGNOLA ANGELO
IPC: C07C211/52
Filed: 1989-09-06
Abstract: A cycloalkyl-substituted 4-aminophenyl derivative of formula (I):   <IMAGE>  wherein  R is C1 - C4 alkyl; R1 is (i) a halogen atom; (ii) a group -OR2, wherein R2 is C1 - C4 alkyl; or (iii) a group -NR3R4, wherein each of R3 and R4, which may be the same or different, is C1 - C4 alkyl;  n is an integer of 1 to 5; A is >C=O or -CH2- and B is, independently, -O-, -NH- or -CH2-, and the pharmaceutically acceptable salts thereof; are aromatase inhibitors. The NO2-substituted precursors are also claimed.
Patent DE-3937697-A1 (DE)
Inventor: OBERMEIER JOSEF
IPC: B28D1/04
Filed: 1989-11-13
Abstract: The hollow drill (1) has a tubular supporting part (2), a cutting part (3) and an intermediate ring (4). The intermediate ring (4) carrying the cutting part (3) is fastened releasably to the supporting part (2) by means of solder (8) for arbitrary exchange. On the intermediate ring (4) and on the supporting part (2) are annular axially overlapping extensions (11, 12), between the faces of which the solder (8) is located. 
<IMAGE>
Patent DE-3937956-A1 (DE)
Title: Stuffing box expander for underground pipes - has distance tube between seals, with lubricant in gap on inside
Inventor: SCHUCK FRANZ
IPC: F16L27/12
Filed: 1989-11-15
Abstract: The expansion joint forms a gas-tight underground joint  resistant to bending loads between male and socketed female pipe ends. A seal is contained in the annular space between the inserted male pipe end and the socket. Pref. two, seals (10) are contained in this space, with a distance tube (6) between them. A lubricant filled annular gap is formed between the  inside of the tube and the outside of the male pipe end (1), and contains a block (3) forming a plain bearing at each seal.  Adjacent to the free end of the socketed female pipe (34) is a folding bellows (22), protecting the male pipe from dirt. ADVANTAGE - Permanent lubrication of male pipe surface even under heavy bending moments.
Patent DE-3938189-A1 (DE)
Inventor: OHM HEINZ JOSEF
IPC: D06F53/04
Filed: 1989-11-17
Abstract: Extendable device for hanging out laundry, having an axially displaceable line-winding roller (16) which is mounted rotatably in a housing (10) and is loaded by a prestressed helical spring and which is equipped at one end with a handle (21) projecting from the housing (10) and at the other end with a toothing (22) engageable into a countertoothing in the housing, this toothing (22) and the countertoothing (28) being designed as helical toothing to prevent the unintentional release of the toothing when the line (29) is pulled at an angle. <IMAGE>
Patent DE-4001036-A1 (DE)
Inventor: BREKNER MICHAEL-JOACHIM DR
IPC: C08G65/40
Filed: 1990-01-16
Abstract: For optical applications, transparent, amorphous thermoplastics, such as polyaryl ether ketones, are of considerable interest. However, polyaryl ether ketones have inadequate UV stability and weathering resistance, while amorphous polyaryl esters do not have these adverse properties. The properties can be improved by means of polymer alloys, and weathering-resistant materials made from homogeneously mixed polymers comprising at least one amorphous polyaryl ether ketone and at least one amorphous polyaryl ester are thus obtained.
Patent DE-4002334-A1 (DE)
Title: Electric lamp lighting circuit with protection against overload - includes protective switch opened automatically on de-energisation of relay coil in series with manual lighting switch
Inventor: ODA GOICHI
IPC: H05B41/292
Filed: 1990-01-26
Abstract: A 12 V battery (2) is monitored by an overvoltage detector (4) which is connected to a switching circuit (5) including the lighting switch and circuit-breaker actuated by the operator. A DC voltage auxiliary amplifier (6) and inverter (7) supply a sinusoidal AC voltage to a current limiter and ignition circuit (8) for the lamp (10). The lamp starter (11) sends a pulse to a control circuit (12) to boost the battery voltage, and also activates a lamp failure detector (13).
Patent DE-4004020-A1 (DE)
Title: Percussion tool for assembling workpieces - has hammer blow exerted by piston actuated by pressure medium
Inventor: WUERTZ GUENTHER DIPL ING
IPC: B25D17/28
Filed: 1990-02-09
Abstract: A percussion tool for assembling workpieces consists of a cylinder (1) in which a piston (3) operates and in which the force of the blow and frequency of operation is controlled by the applied operating pressure. Additional parts (2) are attached to the lower end of the cylinder (1). These additional parts consist of a guide (10) for a tool (9) and a support (1) for a first workpiece (12) which is driven into the bore of a second workpiece by the hammer blow of the piston (3) which is actuated by pressure medium supplied through the inlet (15). USE - Assembly of workpieces.
Patent DE-4006180-A1 (DE)
Title: Nonwoven cloth mfg. device
Inventor: FEHRER ERNST DR
IPC: D01G25/00
Filed: 1990-02-28
Abstract: For the preparation of a fibre mat, three carding rollers revolving in the same direction deposit the carded fibres on an endless conveyor belt which is permeable to air. Every subsequent roller acts as a worker for the preceding roller. A blast nozzle above each vertical throw-off channel between the rollers faces a catch (collecting) nozzle which is flanked by parallel air flows.
Patent DE-4010727-A1 (DE)
Title: Flow measurer for at least slightly conducting medium - measures capacitance between electrode and medium practically independently of lever of medium in pipe
Inventor: MARCHEWKA WERNER
IPC: G01F1/00
Filed: 1990-04-03
Abstract: The arrangement measures the flow of a, at least slightly conducting, medium in a pipe (2) using the induction principle contains an electrode (8, 10) mounted near a conducting pipe wall and normally in contact with the medium. The electrode is connected to a circuit (16) which monitors the capacitance between the measurement liquid and electrode and which contains an oscillator (24) contg. the capacitance in its frequency determining circuit. The signal evaluation circuits contains a control stage (34) for the oscillator frequency.
Patent DE-4012877-A1 (DE)
Title: Detachable connection for conveyor belts - consists of metal plate hooks at each end of belt with interlocking eyes and reinforcement bar
Inventor: BRAEUTIGAM JUERGEN DIPL ING
IPC: F16G3/04
Filed: 1990-04-23
Abstract: The detachable connection for conveyor-belts or flat belts, esp. for the continuous belts of round-bale presses, has metal-plate hooks (3,4) at each belt end (1,2) fixed by steel clips (19) or rivets. The hooks grip round the belt-end (1,2) and form hinge-type hook-eyes (5,6), which interlock like comb-teeth and have a coupling-bar (7) pushed through and pulled from them. The hooks (5,6) distributed over the width of the belt are in the form of a reinforcement (3,4) across the top and bottom of the belt (1,2). At least one hook-plate (12,13) has a transverse rigid part (14,15). USE/ADVANTAGE - The coupling bar is less liable to break or bend.
Patent DE-4015008-A1 (DE)
Title: Attachment of false tooth - has two conical elements which fit one inside the other and tooth is attached to second element
Inventor: KOERBER KARLHEINZ PROF DR
IPC: A61C5/73
Filed: 1990-05-10
Abstract: The individual false tooth is held in place by means of two conical elements (2, 4). The first element (2) has an external conical surface and is fitted to the root stump of the natural tooth which is being replaced or it is fitted to an implant. The second element (4) has an internal conical surface which fits closely over the external conical surface and can be removed by the application of a defined force. The false tooth is attached to this second element. USE - False teeth.
Patent DE-4018519-A1 (DE)
Inventor: BREMEYER WALTER
IPC: E04B1/80
Filed: 1990-06-09
Abstract: Heat insulation for large differences of temperature in the range of low temperatures is described, in which adjacent strips (1) made of foamed material enclose between them joints (3) with a filler made of a resilient insulation material and, extending parallel to the plane of the strips, expansion linings (6) made of a soft synthetic material foam are provided integrally joined to the material of the strips. The strips exhibit on the edge sides slit-like incisions (5), which take the expansion linings (6) and extend only along the edge of the strips over part of the base area of the strips. <IMAGE>
Patent DE-4025064-A1 (DE)
Title: Wheel composed of lobed segments - involves method of assembly using seam welds and is used on goods vehicle
Inventor: ATTS BRUNO DIPL ING
IPC: B60B3/04
Filed: 1990-08-03
Abstract: The goods vehicle wheel consists of a profiled rim and a dish with a central hole. The dish is formed from at least three similarly shaped segment-like parts. The segments are joined together to form a circle and each part has an angled lobe (14,15) the outer end of which is joined by a seam weld to the rim of the wheel. USE/ADVANTAGE - Wheel for a goods vehicle can be mfd. with less waste material to give a lower finished weight.
Patent DE-4025066-A1 (DE)
Title: Exhaust gas outlet for IC engine - has adjacent exhaust pipes and valve controlling cross-over aperture between pipes dependent upon engine speed
Inventor: UNCKRICH VOLKER DIPL ING
IPC: F02B27/06
Filed: 1990-08-08
Abstract: The control pushes the cross-over aperture (16) along the exhaust gas pipes (1, 2) dependent upon engine speed and load. It comprises a slide (14) movable longitudinally between the exhaust gas pipes, and having a cross hole. The walls (6, 7) of the exhaust pipes have longitudinal slots (8, 9) along a specific length area (3) on their facing sides (4, 5). Beneath the slots are shell-shaped plates which form a cylindrical guide casing (12). The casing plates are connected to the exhaust gas pipes beneath the longitudinal slots. The slide is rotary, which over a peripheral area has a spiral-shaped slot. USE/ADVANTAGE - For automotive internal combustion engines, as an exhaust gas control with a control component enabling constantly good torque conditions to be achieved over the entire speed range.
Patent DE-4025729-A1 (DE)
Inventor: GEKE JUERGEN DR
IPC: C09D7/00
Filed: 1990-08-14
Abstract: The invention describes the use of molybdenum compounds in the water circuits of wet separators for paint-spraying plants for the detachment and coagulation of paints, waxes and other organic coating agents, and a process for detaching and coagulating paints, waxes and other organic coating agents by molybdenum-containing coagulants.
Patent DE-4026782-A1 (DE)
Title: In-line store for flexible cables, wires etc. -  has pitch direction change with reversal point between clamped ends
IPC: G02B6/44
Filed: 1990-08-24
Abstract: The store for thin cables, wires, hoses, etc. contains a rotary component (3) in a housing (1), round which the flexible material (6) of great lenght is wound in a helical configuration. It is clamped between the inner face (7) of one housing front side (8) and a disc (5) next to the inner face (9) of the other front side (10). The disc is firmly coupled to the rotary component. The end (12) of the flexible material is brought out of the housing over the rotary component. Between the clamped ends (11, 12) of the material e.g. cable, wire etc. is provided a change of the pitch direction with a turning point (14). USE/ADVANTAGE - For signal transmission, or mechanism transfer, with improved, low-cost, wear protection.
Patent DE-4027153-A1 (DE)
Title: New DNA encoding fusion protein contg. M13 alpha fragment
Inventor: SOMMERGRUBER WOLFGANG DR
IPC: C12N9/38
Filed: 1990-08-28
Abstract: New DNA molecule (I) encodes a fusion protein (II) made from the alpha-fragment (IIa) of the M13 cloning system with a proteolytically cleavable polypeptide component (IIb).      Also new are (1) vectors which express (II), (2) (II) and (IIb) themselves, (3) DNA moecules (III) consisting of (in sequence) a binding site for RNA polymerase, the 5'-nontranslated region of a structural gene and a gene fragment (in positive or negative orientation) coding for a protease cleavage site, (4) vectors (III) (5) host organisms transformed with vectors (2) and (4).
Patent DE-4030076-A1 (DE)
Title: Pruner for living trees -  has sickle-shaped disk with cutters embracing stem
Inventor: GROSS ERNST-PETER
IPC: A01G23/095
Filed: 1990-09-22
Abstract: The device for pruning living trees has a cutting element which embraces the tree and can be moved up and down the stem. The device is mounted on a tiltable lift unit on a cross-country vehicle, and consists of a sickle-shaped disk (12) mounted on the frame (10) which performs oscillating turning movements, and is driven by a drive unit (14). The disk (12) has cutting tools (17) directed upwards and which slide along the tree stem and remove the branches. USE/ADVANTAGE - The device is simple, safe and reliable in operation.
Patent DE-4030315-A1 (DE)
Title: Measuring arrangement for optical absorption in thin film material - uses laser source, optical doubler and double position sensor
Inventor: MASETTI ENRICO
IPC: G01N21/84
Filed: 1990-09-25
Abstract: An arrangement for measuring optical absorption in thin film material using photothermal deflection spectroscopy contains a combination of a laser source (100), an optical doubler (103, 108) between the source and the specimen, and a double position sensor (106). - The optical doubler consists of a beam splitter (103) which divides the input beam into two mutually perpendicular partial beams of identical intensity and a prism (108) with total internal reflection placed behind the divider in the beam direction.
Patent DE-4033945-A1 (DE)
Title: Method of producing helical coil springs - by cutting deep spiral groove in bar with central axial hole
Inventor: BEDNAREK KAZIMIERZ
IPC: F16F1/02
Filed: 1990-10-25
Abstract: The helical coil spring with a high and precise spring rate is made from a round bar of metal. A central axial hole is drilled so that the hole extends from one end of the bar to the other. A spiral groove is then cut in the bar with the depth of the groove being such that the groove cuts into the axial hole. The width of the groove and its pitch depend on the required spring rate and spring deflection. Springs wound from wire with a coil to dia. ratio of less than 3.0 are difficult to produce. ADVANTAGE - This method of manufacture enables such springs to be easily produced. Production of very high rate springs with precisely controlled rates.
Patent DE-4040654-A1 (DE)
Inventor: BEAUJEAN HANS-JOSEF DR
IPC: C11D17/00
Filed: 1990-12-19
Abstract: Granulates containing bleaching activators can be used especially in non-aqueous liquid detergents if they are fully encapsulated in a coating agent. The coating agent is chemically inert to the bleaching activator and is soluble only in negligibly small quantities in liquid, non-ionic tensides which are usually present in non-aqueous detergents. The granulate consists of at least 80 % wt. of particles with a diameter of between 0.1 and 0.5 mm.
Patent DE-4041304-A1 (DE)
Inventor: FUCHS KLAUS DR
IPC: C12Q1/68
Filed: 1990-12-21
Abstract: Disclosed is the cloning and sequencing of various polypeptides from the genome of the hepatitis C virus. The polypeptides are prepared as non-fusion proteins in high yields. The polypeptide originating in the core protein is soluble under physiological conditions. Since the polypeptides contain no foreign protein fractions, they are particularly suitable for use in test kits and as vaccines.
Patent DE-4041514-A1 (DE)
Title: Vacuum sintering
Inventor: BUCHKREMER HANS PETER
IPC: B22F3/10
Filed: 1990-12-22
Abstract: To produce dense sintered components where the powder is sintered in a vacuum followed by compression between hot isostatic presses, the body being made is rinsed by an inert gas during vacuum sintering, while a low pressure is maintained. The pressure, during sintering is pref. 1-10 mbar, and does not exceed 10 mbar. The holder (16) for the body to be formed from powder material has a gas channel (18) opening into it, together with a channel (20) to suck out exhaust gas after it has passed round the body (1) which has been sintered or to be sintered. The exhaust gas is then removed from the pressure chamber (2). The gas channel (18) opens into a gas chamber (19) connected to the holder (16) and then the gas passes out round the body (17).
Patent DE-4100622-A1 (DE)
Title: Automatic gap adjustment for wind sifter - uses displaceable gap wall associated with outlet pipe
Inventor: NIED ROLAND DR ING
IPC: B07B7/083
Filed: 1991-01-11
Abstract: The wind sifter has a rotating sifting wheel (1) set in a housing wherein a defined gap (9) is located between the outlet pipe (2) and a sifting wheel. The cross-section of the gap is varied by adjusting the gap wall (8) relative to the sifting wheel. The adjustable wall is associated by pneumatic sealing sections (10, 11) with the outlet pipe (2). The sealing sections are elastic hollow sections with variable inner pressure. The adjustable gap wall can be part of a split ring (7) which is supported by the sealing sections for adjustment relative to the outlet pipe and sifting wheel. ADVANTAGE - The gap cross section can be automatically adapted in easy manner.
Patent DE-4102649-A1 (DE)
Title: Conveyor floor for animal stall - comprises sheet material moved over floor plate clear of fixed base
IPC: B65G15/60
Filed: 1991-01-30
Abstract: The accessible conveyor floor is for an animal-rearing stall, having a structure with supports (2) holding a floor plate (1) clear of a fixed base. Sheet material (4) laid on the floor plate is moved over it by a transporter mechanism. It can form a closed loop, and there can be ports in the plate connected to an air-supply system. The loop can run above and below the plate. ADVANTAGE - Regular removal of dung etc., being partic. for broiler fowls.
Patent DE-4103941-A1 (DE)
Title: Prefab. foundation for machine - has intermediate layer of spherical formed elements, and intermediate gaps
Inventor: AUGUSTIN SIEGMAR
IPC: E02D27/44
Filed: 1991-02-07
Abstract: The foundation system is for transmission of loads to the foundation soil. It consists of individual prefabricated elements, forming a top and bottom main layer, with one or more horizontal intermediate layers. At least one intermediate layer consists of formed bodies (3), which are pref. spherical or cylindircal, giving a large contact surface. There is a sizeable gap (4) between the layers, and all are connected to each other. USE - Machines, plant, transport.
Patent DE-4110677-A1 (DE)
Title: Current supply circuit for home electronic entertainment appts. e.g. for VTR - has microprocessor receiving all mains connections of separate appts. and switching only one on at any given time
Inventor: YAMAMOTO MASARU
IPC: H04N5/765
Filed: 1991-04-03
Abstract: A circuit for supplying several individual electronic entertainment equipment units (VCR) and a common device (3) connected to the units has common device signal ouptuts (2a,2b) connected to signal inputs (1a,1b) of the units and a mains connection (11) connected to mains outputs (5a,5b) of the units. These mains outputs, which only pass voltages when the units are switched on, are connected to a microprocessor (16) which operates switches (8a,8b). The switches connect the mains connection of the common device to the mains output of only one of the individual units. USE/ADVANTAGE - The individual units can be video recorders, televisions or radio receivers and the common device a satellite receiver tuner, a camera or other audio or video signal source. Power distribution short circuits are prevented and special cable is not required.
Patent DE-4110765-A1 (DE)
Title: Applying plaster coating to wall - by using suction source to remove excess moisture to reduce drying-out time
Inventor: MANSFELD LOTHAR
IPC: E03F3/06
Filed: 1991-04-03
Abstract: The wall (1) is covered with a protective layer of plaster (3). In order to dry out the plaster it is covered with a sheet of plastics (4) which is attached by an adhesive layer (6). The plastics sheet is pressed against the surface of the plaster by a rigid panel (5). The panel (5) has a through hole with a pipe connection (7) which connects to a vacuum source to extract surplus moisture from the plastics. This process reduces the time required for drying out the plaster. USE/ADVANTAGE - Applying a plaster coating to a wall in a building. The method reduces the drying out time of the plaster.
Patent DE-4111138-A1 (DE)
Title: Artificial respiration appts. for patient treatment - passes oxygen from compressed gas source through heat exchanger for heating it, and vaporising chamber filled with ether which has Peltier element as cooling unit
Inventor: FALB WOLFGANG
IPC: A61M16/18
Filed: 1991-04-06
Abstract: The Peltier element (23) is connected with its heat radiating surface to the heat exchanger (7). An insulation (26) is provided, which prevents a temp. equalization between the hot and cold surfaces of the Peltier element or the cooling unit (9) and the heat exchanger (7). The heat exchanger (7) is connected in the fresh gas supply line (3) from the compressed gas source, downstream of the vaporising chamber (8). ADVANTAGE - Heating of breathing gas (oxygen) is improved.
Patent DE-4112069-A1 (DE)
Title: Ankle joint orthosis - has removable front part which is removed when joint is sufficiently healed to increase comfort of wearer
IPC: A61F5/01
Filed: 1991-04-12
Abstract: An ankle joint orthosis consists of a U shaped member which is made from flexible material. The bridge (4) of the U shape fits under the fort whilst the legs (2, 3) of the U shape extend upwards over the ankle bones. The bridge (4) of the U shape extends forwards under the ball of the foot and is connected to side pieces (25) which extend forwards from the legs (2, 3) of the U shape and is fastened to the foot by a strap with a Velcro (RTM) type fastener. The side pieces (25) and their underfoot connecting part are separated from the main part of the orthosis by a line of notches (22). These notches enable the front part (25) to be broken away from the main part of the orthosis when the ankle joint is sufficiently healed. USE/ADVANTAGE - Ankle joint orthosis with removable front part which makes the orthosis more comfortable to the wearer.