baber/WOPTO huggingface dataset:
Patent DE-4022787-A1 (DE)
Title: Sofa convertible to bed - has backrest element fixed on seat and swivelling about horizontal axis
Inventor: MEIER JOSEF
IPC: A47C17/16
Filed: 1990-07-18
Abstract: The convertible sofa bed has a backrest element (3) which is fixed on the seat element (1) to swivel about a horizontal axis (15). To change the sofa bed from the first chair position to the second bed position the back rest element swivels about the horizontal axis (15) relative to the seat element (1) standing fixed on the ground towards the back of the sofa. Bearing members (16) are provided for holding the backrest element in swivel manner on the seat element (1). A guide member such as a guide roller (19) can interact with a guide curve (20) on the seat element for easy transition. USE/ADVANTAGE - Easier and comfortable converion between the two useful positions.
Patent DE-4024560-A1 (DE)
Title: Retro-fitting kit for shut=off devices - seals valve actuating gear from flow chamber using bellows
Inventor: EYKING HEINZ JOACHIM DIPL ING
IPC: F16K41/10
Filed: 1990-08-02
Abstract: Kit for fitting a shut-off element e.g. valve with a bellows to seal the threaded spindle (3) actuating the valve closure piece (12) from the flow chamber, for low-emission systems, includes a cylindrical hollow body (5) to receive the bellows (4), clamping screws (7) and nuts (8) for holding the cylinder between the connection stub (104) of the valve housing and the upper part (2) of the housing. An extended threaded spindle (3) is fitted with the bellows. ADVANTAGE - Economic retro-fitting.
Patent DE-4025060-A1 (DE)
Title: Burner for air-gas mixt. mfr. - involves sheet metal strip by sequence of stamping, folding and deep drawing, starting with shaped end stamping
Inventor: HENSEL WERNER
IPC: F23D14/10
Filed: 1990-08-04
Abstract: The burner is mfd. from a sheet metal strip, in which the end walls are first formed by stamping.  A longitudinal ridge (34) is then formed by bending the strip and the edges (43,44) are turned outwards. A longitudinal trough is formed by deep drawing, and the sides (71,72) of the strip are double folded to form the lower edges (47,48) so that the ridge edges are turned inwards.  Transverse slots are formed in the bottom of the deep drawn recess, and the sheet metal is folded outwards to form slots for the outflow of the air-gas mixt. ADVANTAGE - No need for combining components, forming the combustion chamber.
Patent DE-4026340-A1 (DE)
Title: Contact lens cleaner and care agent -  used to clean hands and appts. to prevent cross contamination of lenses, preventing eye infection
Inventor: KOLLER BRUNO
IPC: C11D3/00
Filed: 1990-07-25
Abstract: Care agent w.r.t. specification DE3926003 and DE3936765 is also used as hand washing agent, as a cleaner for eyebaths, contact lens cases, spectacles and babies' crockery and similar hygenic articles. USE/ADVANTAGE - Solns. based e.g. on ca. 14 % salts identical to those in tear films, esp. NaCl, and surfactant(s) for degreasing, esp. ca. 3 % Tween 80 (RTM), are free from contaminants and are sterile filtered and packaged. By cleaning the hands and lens storage appts, with the soln. prior to handling the lenses, cross contamination of the lenses from the fingers or other appts. is avoided and reddening, burning and infection of the eyes is prevented.
Patent DE-4030559-A1 (DE)
Title: Wind driven turbine assembly - has curved blades of hyperbolic form along radial axis
Inventor: SCHUBERT WERNER DR MED
IPC: F03D15/00
Filed: 1990-09-27
Abstract: The wind driven turbine has blades (4) attached to a common hub (5) which is mounted on a shaft (2). Each blade has a hyperbolic profile along a radial line with the concave surface facing into the wind. The tip of each blade has a raised edge (7). The wind is deflected radially outwards by the blade and the raised edge is so curved that it deflects the air tangentially to provide a reaction force on the turbine in the direction of rotation, thus increasing the power of the turbine. USE/ADVANTAGE - Wind driven turbine with greater efficiency than the usual propeller type turbine.
Patent DE-4031990-A1 (DE)
Title: Shower partition with connecting sections - joined by connections, has angled profiled bars with node piece
Inventor: DUDEK GUENTER
IPC: A47K3/28
Filed: 1990-10-09
Abstract: The shower partition is for corner, semic-circular, square and oblong shower-trays and for prismatic trays fitted with vertical door and pane connecting-sections (1). The square, or round-sectioned door and pane connecting-sections (1) are joined by connections (2) to upward-pointing, angled profiled bars (3) which run towards a node-piece (5) to which they are fixed. The sperical node-piece (5) is fixed to a room corner or flat wall. The connections (2) are balls or curved pipes. The immobile panes (6) have a section a long their top, horizontal edge fixed to the adjacent pane-connecting sections (1) of two interfitting U-shaped sections, one is fixed to the wall (8), and the other to the connecting-section (1). USE/ADVANTAGE - The partition is for all shaped of whower-tray, is stable uses glass and is easily assembled.
Patent DE-4100492-A1 (DE)
Title: Frame for door or window - is constructed from two types of metal section of different colours
Inventor: COSTANTINI FRANCESCO
IPC: E06B3/30
Filed: 1991-01-10
Abstract: The frame of a door or of a window is constructed from two types of metal sections of different colours. The first section (1) has a basic rectangular cross-section (11) with a flange (12) extending from one of the shorter sides of the rectangle and lying in the same plane as that side. The second section (2) which is of a different colour is basically flat with two parallel ribs (21) near one edge. These ribs (21) receive the side projection of the first section (11). This project-ion has notches on its side walls which' engage notches on the sides of the ribs (21) so that the two sections are fastened together with a snap action. USE - Construction of frames for windows and doors in building.
Patent DE-4101441-A1 (DE)
Title: Producing document quality prints - using water-soluble ink, e.g. in franking machine, and coating prints with lacquer immediately after printing
Inventor: MIEHE FRIEDRICH-VIKTOR
IPC: B41M7/00
Filed: 1991-01-17
Abstract: A method of producing document quality prints using water soluble inks in ink jet printers involves covering each print, immediately after printing, with a transparent coating similar to lacquer which protects it against being changed by moisture. The coating can be applied to the print by spraying or roller and can be a cellulose or hardened resin lacquer. USE - E.g. for producing document quality prints from a franking machine
Patent DE-4102716-A1 (DE)
Title: Reamer cutter plate - has chip guide step intersecting auxiliary cutting edge
IPC: B23D77/02
Filed: 1991-01-30
Abstract: The cutter plate is for a single-cutter reamer, having a rectangular body with a main cutting edge, onto which an auxiliary one joins. A clearance face slopes downwards from the edges, for which a chip face is provided, enclosed by a guide step. The step (25) intersects the auxiliary cutting edge (NS). It can be inclined to the lengthwise axis (A) of the plate at between 10 and 80 deg. ADVANTAGE - Precision-machining at high speed without tool chatter.
Patent DE-4103258-A1 (DE)
Title: Automatic adjustment of leaf springs esp. for relay - involves measurements of plastic deformation before and after each application of bending force towards reference position
Inventor: MOLLENHAUER OLAF
IPC: H01H49/00
Filed: 1991-02-04
Abstract: Each leaf spring element (1) is clamped (2) at a distance (s) from a fixed reference point (x), for bending by a tool (3) integrated with an e.g. fibre optic force measurement system (4). Data transmission lines (8) link the control computer (7) to this system (4) and to a linear positioner (5) coupled to a displacement meter (6). The measured distance (s) is subtracted from a desired value. The spring (1) is bent in the appropriate direction in a sequence of stages with measurements repeated until the desired position is attained. ADVANTAGE - Adjustment is achieved in fewer steps with less costly appts.
Patent DE-4104179-A1 (DE)
Title: Sensor for measuring high frequency sound waves in solids in IC engine - has piezoelectric element in housing with three small supporting feet, one of which feeds in sound
Inventor: FROEHLICH KLAUS-JOCHEN DIPL IN
IPC: G01L23/22
Filed: 1991-02-12
Abstract: The sensor for measuring high frequency sound waves in solids in internal combustion engines consists of a piezoelectric thickness oscillator in a housing (1), with cable connections and a bore for an attachment bolt. The housing is supported on three short feet (4,5) of small cross-section protruding from it off the central axis where the bore (3) for the bolt is located. Only one leg (5) conducts in the sound to a sensitive element (6) at a point-shaped input point of maximum dia. 7 mm. USE/ADVANTAGE - For measuring knock signals in internal combustion engines. The sound waves in solids are measured in the ultrasonic range and hence in low background noise conditions, i.e. only surface waves and not flexural waves are measured.
Patent DE-4106341-A1 (DE)
Inventor: HESSE ANTON DR
IPC: C08L67/06
Filed: 1991-02-28
Abstract: The invention relates to a curable, thickened polyester resin moulding composition which contains from 0.1 to 20 parts by weight of a thermoplastic vinyl polymer which is compatible with the resin and contains acid groups.
Patent DE-4108091-A1 (DE)
Title: High holding ratio electro=optical system - contg. liq. crystal mixt. with specified component and polymeric medium made from fluorine contg. precursor giving max. liq. crystal solubility
Inventor: JUBB RAY
IPC: C09K19/30
Filed: 1991-03-13
Abstract: Electro-optical systems of the type in which (A) a liq. crystal (LC) mixt. and a further optically transparent polymeric medium (OTPM) are positioned between 2 electrodes, one of which is formed as an active matrix with nonlinear, image-integrated control elements and the other of which is a counter-electrode; (B) the LC mols. are in random orientation in the switched-off state; (C) one of the RIs of the LC mixt. corresponds to the RI of the OTPM and/or the ratio LC mixt. at.: OTPM wt. = 1.5 or more; and (D) incident light shows a reduced transmission in one of the two switching states; this being independent of polarisation are claimed. Specifically, (i) the LC mixt. contains one or more cpds. of formula (I); and (ii) in order to increase the solubility of the LC mixt. in the OTPM precursor, the precursor contains 0.1-95% of a component (A) which is a fluorinated-, or oligo- or per-fluorinated aliphatic monomer, oligomer and/or prepolymer, the pref. (A) contg. a structural element of formula (II). In the formulae, Z1 and Z2 = single bond, -CH2CH2-, -COO-, -OCO- or -CC-; rings A1 and A2 = trans-1,4-cyclohexylene, 1,4-phenylene, 2- or 3-fluoro-1,4-phenylene or 2,3- or 3,5-difluoro- 1,4-phenylene, with one of A1 and A2 also being pyrimidin-2,5-diyl, pyridin-2,5-diyl or trans-1,3-dioxan-2,5-diyl; X1-4 = H or F; Q = CF2, OCF2, C2F4 or OC2F4 or a single bond; Y = H, F or Cl; n = 0, 1 or 2; R = up to 12C alkyl with 1 or 2 non-neighbouring CH2 gps. opt. replaced by -O- or -CH=CH-; and Y1-5 = such that (i) up to 2 of Y1-3 = H or F; (ii) at least 1 and upto 3 of them are a single bond and/or 1-30C alkylene gps. in which 1-15 of the CH2 gps. can be replaced by -O-, -CO-, -COO-, -OCO-, -S-, -CHHal-, -C(Hal)2- or opt. substd. satd. or aromatic cyclic diyl gps., with the proviso that -O- and/or -S- are not directly connected, and (iii) up to 2 of them are 1-30C alkyl with 1-15 CH2 gps. opt. replaced as for the alkylene gps. above. USE/ADVANTAGE - Devices with thin film transistor electrodes can be provided in which the LC/OTPM network has a high holding ratio (even at high temps. and under UV radiation) combined with a favourable threshold voltage and good stability.
Patent DE-4117052-A1 (DE)
Inventor: WYL HORST VON
IPC: B22D11/055
Filed: 1991-05-22
Abstract: The invention relates to a fluid-cooled mould for the continuous casting of metals, in particular steel, with a shaping wall consisting, in particular, of a metallic material, which is secured on a supporting plate and is provided with connections for a cooling fluid for the purpose of cooling the wall. In order to reduce the weight of the mould suspension, including the oscillation device to be moved and thereby to enable higher oscillation frequencies to be set for the minimum power requirement in the case of fluid-cooled oscillating moulds, it is proposed to secure spring elements (7) on that side of the supporting plate (2) which faces away from the wall (1). The spring elements are secured on one side in a uniformly distributed manner and have a considerably lower stiffness in the casting direction than in the two transverse directions. In addition, the invention proposes that the spring elements (7) extend in a direction transverse to the casting direction, that the opposite ends of the spring elements (7) be secured on a carrier plate (6), that the carrier plate (6) be connected to a fixed base frame (12) and that an oscillation device (16,17) engage on the supporting plate (2). 
<IMAGE>
Patent DE-4117799-A1 (DE)
Title: Carrier frame for anodising aluminium@ parts - comprises frame and work supports with close fitting interchangeable contact inserts of aluminium@ or titanium@
Inventor: HASSANI ESPILI AMIR
IPC: C25D17/06
Filed: 1991-05-30
Abstract: Carrier frame for anodising Al parts, comprising a box-like frame with upper and lower cross members connected by vertical members and workpiece supports forming contact pieces fitted on the lower cross members. Supports have openings for interchangeable, closely fitting contact inserts, which project above the support surface and seal against ingress of electrolyte. Contact areas between insert and workpiece and insert and opening are sized for optimum current strength. Supports (2) are pref. U-shaped, the openings (3) and fitting contact inserts (4) are rectangular. Contact inserts (4) are of Al or Ti and the fitting sealing surfaces are coated with contact grease. USE/ADVANTAGE - For anodising stacked Al parts, where only the contact inserts are changed after each anodising operation and cleaning anodising deposits off the frame is obviated.
Patent DE-4121061-A1 (DE)
Title: Self-tapping screw with constant dia. shaft - has elliptical or oval pockets underneath screw head with cutting edges
IPC: F16B35/06
Filed: 1991-06-26
Abstract: The longitudinal axis of the pockets (10) extends tangentially  to an imaginary circle coaxial with the screw shaft centre axis under the screw head. The circle extends centrally between the alignment (11) of the shaft (2) and the outer circumferential line (12) of the head. The edges of the pockets are formed as sharp cutting or milling edges which have a concave groove. The pockets are pref. narrow at the front in the turning direction (13) of the screw and wider at the back. USE/ADVANTAGE - For self-tapping and cutting screws for window strips, without the need  for predrilling,or danger of splitting.
Patent DE-4127990-A1 (DE)
Title: Spinning process control
Inventor: MEYER URS ANDREAS
IPC: D01H13/32
Filed: 1991-08-23
Abstract: The process control for at least one section of a spinning plant, where a process control computer controls at least one machine, has a computer prepd. with at least one program for optimum operation, entered in or by default, to give the targets, conditions, preferences and the state of the units linked to the computer. Process control signals are delivered to the system according to the given parameters and the state of the system for the machine computer(s) to apply machine control. The machine computer also sends signals to the process computer to show actual conditions for the process computer to evaluate the data and determine appropriate working.
Patent DE-4132752-A1 (DE)
Title: Circulatory space heater flowmeter controlled pump - supplies hot water to thermostatically valved radiators in circuit with pump switched off during predetermined intervals
Inventor: PLATE JOACHIM
IPC: F24D19/10
Filed: 1991-09-27
Abstract: The water from a heater (1) incorporating a controlled burner is pumped (5) to radiators (3) having valves (7) which can be closed completely to stop the circulation (2,4).  A flowmeter (6) upstream from the pump (5) sends signals (8) to a controller (9) including a time switch (10). The pump (5) is stopped by an extremum value of the signal and the timing is started.  After the chosen interval the pump is restarted and the volume flow measurement resumed until the valves are closed at the preset temp. ADVANTAGE - Energy consumption is reduced by time-switching of a more conservatively rated pump.
Patent DE-4136942-A1 (DE)
Title: Cooling cell for compressed gases used with intermittent compressor - has inlet provided by compressor exit valve and outlet valve which opens at preset press level
Inventor: SCHREINER ERNST
IPC: F04B39/06
Filed: 1991-11-11
Abstract: The gas cooling cell has an outlet valve (Va) which is opened at a present press value, its inlet provided by the exit valve (Ve) of a compressor which opens when the compression press is above the press within the gas cooling cell, so that the cooling cell provides a closed spaced during the suction phase and part of the compression phase of the compressor. Pref. the enclosed gas is cooled during the time when both valves are closed, so that the press within the gas cooling cell drops. The vol. of the cooling cell corresponding to the displacement vol., for optimum press reduction. USE - For improving efficiency of gas compression via discontinuous compressor.
Patent DE-4137581-A1 (DE)
Inventor: WAGNER F PROF DR
IPC: C07B55/00
Filed: 1991-11-15
Abstract: 2.1. The chemical synthesis of amino acids produces a racemic mixture which can usually be fractionated by enzymatic cleavage. The remaining unwanted enantiomer is subsequently racemised anew and subjected again to racemate resolution. In the case of amino acids, this racemisation can easily be achieved in a temperature/time programme, but in the case of hydantoins the racemisation takes place in an acceptable time only for 5-arylhydantoins. The intention is therefore to provide a racemisation process for hydantoins which should be possible to carry out as simply as possible, i.e. without problematic foreign ions such as copper or additional compounds. 2.2. In the novel racemisation process, the enantiomer of a hydantoin which is monosubstituted in the 5 position is reacted in the presence of an ion exchanger. Anion exchangers are preferred, at a pH between 6.0 and 13.5. 2.3. Preparation of enantiomeric pure amino acids by enzymatic hydrolysis from 5-monosubstituted hydantoins.
Patent DE-4139581-A1 (DE)
Title: Vehicle navigation system - transmits information w.r.t. starting location and destination to central command station which determines route plans
Inventor: WEISHAUPT WALTER
IPC: G08G1/0968
Filed: 1991-11-30
Abstract: The information concerning the start and the destination of the motor vehicle is transmitted to a central command station by a communication unit. The command station determines the corresp. route plan, and the travel recommendation is transmitted to the motor vehicle from the central command station. The information concerning the actual position during a journey is also conveyed to the central command station. The central command transmits the travel recommendation for the respective positions sectionally to the vehicle. ADVANTAGE - Simple to operate, up-to-date route data are continuously delivered.
Patent DE-4141564-A1 (DE)
Title: Drive space for multipole switching unit - has microprocessor control of electromagnet to regulate speed of motion of switch.
Inventor: LORSBACH PAUL DIPL ING
IPC: H01H3/30
Filed: 1991-12-17
Abstract: A three pole switch for high or mid range voltages (1) has the switching action determined by an electromagnet (6) and an energy storage device (3) coupled to a link (2). The storage device can be in the form of a spring. The electromagnet is operated by a microprocessor to adopt the closed switch mode. When the link is released the contacts open using the spring energy. The electromagnet is controlled by the micro processor to five controlled braking a specific motion characteristic. ADVANTAGE - Provides non mechanical force control.
Patent DE-4141594-A1 (DE)
Title: Malleable clay mfr. for making aerated clay granules - comprises mixing clay with ceramic material set at moisture level for mixt. which gives consistent granulation, with little effort and low energy consumption
Inventor: ROHRBACH HANS-JOERG
IPC: C04B14/12
Filed: 1991-12-17
Abstract: Malleable clay mfr. comprises adding a ceramic material with a moisture content which is set to provide a moisture level in the mixed clay and ceramics at a preset level and at a value required to form aerated clay granules. The ceramic material is pref. dried to the required moisture content level, or part of the ceramic material is dried and mixed with undried ceramics to give a ceramic mixt. of the required moisture level. Power station flue ash is pref. used as the ceramic material. USE/ADVANTAGE - Used for making aerated clay granules. The malleable clay is given a determined moisture level, together with the mixed ceramics, with little effort and low energy consumption, to give a material which allows consistent prodn. of granules.
Patent DE-4141799-A1 (DE)
Title: Bus=bar connector - has U=shaped section snapping over ends of aligned U=shaped bus=bars with longitudinal external grooves
Inventor: SCHROEDER ARNO
IPC: H02G5/04
Filed: 1991-12-18
Abstract: The connector for connecting two busbars, with the profile of a semi-closed U-shape, has the busbars placed end to end with a narrow gap between them. They are held in appropriate guides such that a short length of each is exposed near the gap separating them. The busbars have longitudinal grooves down the legs of the U-shape. The connecting piece is also U-shaped with a longitudinal projection on the inside of each leg, mating with the busbar grooves when snapped over the exposed sections. The base of the connector is cutaway to form two tongues which fit in the slots at the top of the two busbars. ADVANTAGE - Inexpensive and effective connector which compensates for expansion/contraction during temp. changes.
Patent DE-4143325-A1 (DE)
Title: Stop valve insert - has seat area in elastic annular body and increasing in thickness towards outside
Inventor: OWENS BRIAN
IPC: F16K3/02
Filed: 1991-06-03
Abstract: The valve insert for a gate-type stop valve comprises an annular elastic body (24) with a cylindrical central opening, a flat front face, a cylindrical outer surface (48), and a peripheral flange (56). A seat area (64) is incorportated in the body, its face protruding beyond the front one (46). Its thickness increases from the main body, to press against a second insert in the valve housing. Other smooth surfaces on the body slope away from the front surface, to form a straight V- section recess for the valve gate, in conjuction with a second insert. The seat can have a rear surface extending from the cylindrical outer surface of the body, and parallel to the front one. ADVANTAGE - No reduction in current speed, no leakage during operation, allows repeated operation, and trapped particles can escape from under the gate.