baber/WOPTO huggingface dataset:
Patent DE-4026058-A1 (DE)
Title: Actuation of bicycle brake - involves cable attached to rotatable sleeve mounted on handlebar
Inventor: FRANK MANFRED
IPC: B62L3/02
Filed: 1990-08-17
Abstract: The brake of a bicycle, esp. a mountain bike, is actuated by a rotatable sleeve (4) which is mounted on one end of the handlebar (1). The rotatable sleeve (4) is formed integrally with a disc (5) at its inner end. One end of a cable (2) is attached to this disc by means of a pin. This cable is fitted in a circumferential groove in the disc periphery and its other end is attached to the brake mechanism. Rotating the sleeve (4) causes the cable to be wound further around the disc and consequently apply a force to the braking mechanism. USE - Bicycle brake.
Patent DE-4029785-A1 (DE)
Title: Electromagnet for hydraulic valves - has magnetically closed circuit casing in two parts which have sealed non-magnetic spacer ring between them and have outer coil
Inventor: PAUL DIETER
IPC: H01F7/16
Filed: 1990-09-20
Abstract: An electromagnet, and partic. one for hydraulic valves, has a casing which seals off an axially moved armature and the space between terminals, and has a coil magnet. The casing is a magnetic circuit and is held against a terminal block with a non-magnetic spacer ring between them; this ring provides the magnetic gap between the face of the block and the magnetic yoke. The magnet is pref. sealed with a layer of rubber, elastomer or silicone. ADVANTAGE - The casing of the magnet is cheap, it forms the required terminal gap and seals it off. (4pp Dwg.No.1/5)
Patent DE-4034169-A1 (DE)
Title: DRAM memory cell field with numerous cells for unit signals - has specified foreign atom. concentration in section coupled to capacitor
Inventor: OGOH IKUO
IPC: H01L21/8242
Filed: 1990-10-26
Abstract: The cells each consists of a transmission transistor (10) and a capacitor (11), while the DRAM contains a peripheral circuit with an MOS transistor (45a) with an LDD structure. At least the source-drain region (19) of the transmission transistor, coupled to the capacitor, is formed by a foreign atom region (19a) of low concentration. The foreign atom region has a concentration equal to that of the source-drain region (31) of the LDD-MOS transistor. The low concentration source-drain region of the transmission transistor is formed by masking technique, protecting a high concentration source-drain region of the MOS transistor during ion implantation. ADVANTAGE - Improved recovery of dram memory cell with suppression of stored charge leakage.
Patent DE-4100122-A1 (DE)
Title: Graphite ring seal mfr. by automatic operation - uses winding spindle coaxial to press section to wind graphite strip for compression
Inventor: HRON MAXIMILAN
IPC: C04B35/52
Filed: 1991-01-04
Abstract: The appts. to develop ring-shaped wound bodies, such as sealing rings from graphite strips which are then compressed, has a winding spindle (36) generally coaxial to a matrix (8) which can slide along its axis (9) between the matrix (8) and a rest position outside it. The spindle (36) rotates round it axis (9) and its cylindrical end (37) has a slit (41) passing at least partially through it from the circumference, and which is at least the width of the strip. The entry path (18) to feed the strip is aligned with the pitch of the slit (41) at the winding position of the spindle (36) at the start of the winding action. A winder head (19) forms a peripheral slit for the strip entry path (18), fixed coaxially to the matrix (8) of the press section with a matching and closing circumference. An ejector (22) coaxially round the winding spindle (36) has axial movement in the matrix where, in the centre setting, a bearing shoulder is formed for the wound strip material in the winding position and, in the rear end position forms the inner ring limit of the press zone in the matrix (8). ADVANTAGE - The appts. gives wound graphite strips, in a circular body for compression, in an automatic operation, where the operative only has to monitor the material feed supply.
Patent DE-4101240-A1 (DE)
Title: Sample body for inorganic and/or organic mass - has cylindrical receptacle with fluid or gas flow openings opposite ends
Inventor: LUDWIG U PROF DR ING
IPC: G01N33/24
Filed: 1991-01-17
Abstract: The sample body has a main axis (3) along which a gas and/or fluid is fed. The mass (2) is contained in a flexible cylindrical receptacle (6) which has flow openings at its opposite ends used for transport and handling of the mass (2). The mass (2) is formed in a number of layers of differing thickness contained in a common receptacle (6) which is formed by a metal mesh cylinder coated on its outside with a gas and/or fluid impervious sleeve (7). USE - For borehole core samples.
Patent DE-4104788-A1 (DE)
Title: Pressure sintering machine - used for prodn. of diamond tools of annular cross-section
Inventor: BONVINI GIUSEPPE
IPC: B30B15/34
Filed: 1991-02-16
Abstract: (A) in a sintering machine for prodn. of diamond tools of annular cross-section, the powder charge is pressed by axially applied pressure and is heated by heat transmission through the sidewalls of the chamber contg. the charge. (B) prodn. of the diamond tools involves (a) sintering a mixt. of diamond-contg. powder and binder powder in a mould, the walls of which are defined by an interior cylindrical bush, an annular punch and a pin inserted in the punch; (b) partially cooling with ejection of the pin; and (c) completing the cooling. USE/ADVANTAGE - The diamond tools are useful for drilling or boring slabs of graphite, rock or the like. The sintering machine allows prodn. of hollow diamond tools.
Patent DE-4104994-A1 (DE)
Title: Lubricant for use in refrigerators - comprising ester produced from conversion of mono-carboxylic acids and alcohol(s)
Inventor: GRASSHOFF HANS DIETER
IPC: C10M105/38
Filed: 1991-02-19
Abstract: Lubricant (I) comprises ester (mixt) from the conversion of predominantly straight-chained, satd. 4-10C monocarboxylic acids (acid component) and alcohols with 3-6 hydroxyl gps. and one or two quart. C atoms (alcohol component) is claimed. More specifically, the ester (mixt) is produced from 5-9C monocarboxylic acids and multivalent alcohols. The alcohol component is (di)pentaerythritol. All OH gps. are esterified with the acid component. The acid component comprises 30-100 pref. 60-80 mol. wt. % monocarboxylic acids, pref. n-pentanoic acid, and a balance of other carboxylic acids. The acid component comprises up to 30 pref. 3-10 mol. % branched monocarboxylic acids, esp. 2-ethylhexanoic acid. The mol. wt. of the ester for pentaerythritol ester is 360-850 pref. 400-700 and for the dipentaerythritol ester, 560-1300, pref. 700-850. USE/ADVANTAGE - (I) is useful in refrigerators, heat pumps, and air conditioners using CFC coolants. It is compatible with the coolants used and does not cause corrosion by the formation of moisture or by-pro
Patent DE-4106056-A1 (DE)
Title: Assembly to adjust positive and negative roller bending to roller stand - has bearing fittings keyed to bending beams
Inventor: KERSTING EMIL
IPC: B21B13/02
Filed: 1991-02-22
Abstract: Assembly to apply a positive and negative roller bending action at a roller stand, esp. a double roller stand, has paired lateral carriers parallel to each roller (1,2) and flanking them. Fittings (4,5) for a roller (1,2), with a a keyed bonding for the bending beams (6), give adjustable support at right angles to the roller axes against the fittings (7,8) of the sub-bearing. Fittings (4,5) slide against the roller stand, along the line of the rollers (1,2), together with the bending beams (6) and the fittings (7,8) for the sub-bearing. Fittings (4,5) for the main bearings, pref. have side openings, engaged by the bending beam (6), or the legs of U-shaped bending beams (6) grip the sides of the fittings (4,5) for the main bearing. Fittings (4,5) and/or bending bearing are on linkage supports against the bending beams (6). ADVANTAGE - Positive and negative bending of axially sliding rollers can be adjusted, and the rollers can be exchanged rapidly.
Patent DE-4107622-A1 (DE)
Title: IC engine fuel injector with non-return valve - employs electromagnetically actuated piston to compress fuel in chamber and pump precise quantity into cylinder
Inventor: DOBLER KLAUS DR DR ING
IPC: F02M59/14
Filed: 1991-03-09
Abstract: The fuel is delivered from the supply pipe (28) into a pressure chamber (11) defined by a movable pumping piston (12) actuated by an electromagnet (13). The excitation of the coil (16) moves the piston, compressing the fuel in the chamber (11) and holding the non-return valve (30) closed. The quantity injected through an outlet valve (20) into the cylinder is set by the stroke of the piston, which depends upon the duration of the current flow in the coil. USE/ADVANTAGE - For a car fuel injector, with precise vol. metering into the pressure chamber to form a hydraulic shock for sudden stop of pumping.
Patent DE-4111906-A1 (DE)
Title: Mono:chloro-acetonitrile prepn. - by chlorination of acetonitrile saturated with hydrogen chloride
Inventor: SCHUBART RUEDIGER DIPL CHEM DR
IPC: C07C255/10
Filed: 1991-04-12
Abstract: Prepn. of monochloroacetonitrile (I) comprises chlorination of HCl-satd.-MeCN. (esp. undiluted) with Cl2 at 40-125 deg.C, opt. with irradiation or in the presence of a radical catalyst. Chlorination is carried out by simultaneous addn. of Cl2 and MeCN into an appts. with a turnover of MeCN of 0.1-30%, and removal of chlorinated MeCN from the appts. Use of (I) in synthesis of trichloroacetonitrile (II) by further chlorination, is also claimed. USE - (I) is an intermediate in the synthesis of dye intermediates, substd. pyridines, insecticides and rubber auxiliaries. It may e.g. be reacted with trichloromethyl-isocyanide-dichloride to give tetrachloro-pyrimidine, an important reagent in prepn. of reactive dyes. (II) is useful in organic syntheses. The process gives good yields and is selective. The prepn. of (II) from (I). also gives good yields, unlike known processes for sump chlorination of MeCN which lead to formation of large quantities of a triazine deriv.
Patent DE-4116990-A1 (DE)
Title: Piezoelectric linear actuator - has piezo plate with parallel segments and surface electrodes providing increased range of movement
Inventor: DOELLGAST BERND
IPC: H01L41/09
Filed: 1991-05-24
Abstract: A piezo electric actuator has a base plate (2) of piezo electric material that has a constant thickness. The plate has a centre section (4) and two parallel sides (5) that are separated by slits (6). At the ends the elements are fully decoupled in a mechanical sense. Electrodes (13, 14) are formed on both sides of the piezo plate and are cut to specific lengths (15, 18). Contact regions (21) and a polarising connection (22) are formed. Holes (23, 24) are provided for fixing the linear actuator to external elements. ADVANTAGE - Provides improved linear operating range.
Patent DE-4117808-A1 (DE)
Inventor: VOGEL MANFRED DIPL ING
IPC: F02P9/00
Filed: 1991-05-31
Abstract: The proposal is for an ignition system for internal combustion engines with semiconductor circuit components arranged in the secondary circuit with at least one capacitor having a steepening effect on the ignition voltage. The semiconductor components are preferably four-layer diodes in cascade (6) which ensure that the ignition voltage is applied to the sparking plugs in a pulse only once a predetermined level has been reached. A more intense steepening effect can hereby be obtained if a capacitor (9) is fitted on the secondary side between the secondary winding (5) and the four-layer diode cascade (6) in parallel with the secondary winding.
Patent DE-4121081-A1 (DE)
Title: Heat-insulating or sound-absorbing elements for covering buildings - are prepd. from chopped plastics waste, chopped old rubber tyres, waste polystyrene foam granules, and binder
Inventor: OBERSTEINER JUERGEN DIPL ING
IPC: F16F1/36
Filed: 1991-06-26
Abstract: The elements (I) consist of (A) mixt. of at lesat 2 of (A1) up to 6 pts. (all pts. vol.) granules of old tyres with foreign materials adhering to them, including textile and metal components, (A2) up to 6 pts. unsorted, uncleaned plastics waste of all types, with adherent foreign materials, from housholds, commerce, and industry, and coarsely chopped or shredded, and (A3) up to 3 pts. granules of waste polystyrene foam; and (B) solvent-free and/or water-sol. binder (II) in amt. depending on particle size of (A) such that all components are uniformly wetted with (II) and which is hardenable with or without application of heat and/or pressure. In the prepn. of (I) the mixt. of (A) and (B) is introduced into a mould or continuously shaped, hardened with or without application of heat and/or pressure, the moulded (I) are dried conventionally, then they are laid vertically or horizontally with same (II) or conventional mortar. USE/ADVANTAGE - Partic. in building industry. The waste materials are recycled simply and economically, without expense of sorting and cleaning the
Patent DE-4130803-A1 (DE)
Title: Transparent document holder, e.g with printed letterhead for facsimile transmission - has transparent upper sheet with standard imprint, and opaque lower sheet to allow erasable marking of top sheet prior to transmission
Inventor: KARCZEWSKI KARLHEINZ
IPC: G03C5/08
Filed: 1991-09-16
Abstract: The document holder is in the form of a rectangular pocket, and assembled from two sheets of plastic film. The upper sheet is transparent except for opaque marks with which a standard imprint on an original document can be simulated. The lower sheet is opaque, and when an original is inserted into the document holder, the transparent top sheet can be written on by hand, using a special pen. The document holder can then be used for transmission of a document with accompanying standard imprint. ADVANTAGE - Simpler, faster and cheaper copying is possible without using high quality letterhead sheets, and mistakes can be wiped away on top foil.
Patent DE-4131001-A1 (DE)
Title: Recovery of salt from salt spreader for reuse - involves collecting salt residue in container which is moved by pneumatic conveyor into salt silo
Inventor: LANG STEFAN
IPC: B65G45/26
Filed: 1991-09-18
Abstract: The salt residue is removed from the vehicle to a collection container. The salt is then fed by a pneumatic appts. into an available silo, and is circulated while moving between the two. The unit to execute the method has a pneumatically actuated conveyor (7) between collection container (2) and silo (1). Within the container, the salt moves by gravity to a discharge opening. In this area, there may be a cellular wheel lock (5) for dosed salt discharge. USE/ADVANTAGE - Complete recovery of salt residue from salt spreader for reuse.
Patent DE-4135551-A1 (DE)
Inventor: TURNER JONATHAN DR
IPC: A61K31/505
Filed: 1991-08-31
Abstract: The description relates to the novel use of antagonists or partial agonists on the 5HT1a receptor to produce a medicament for the treatment and prevention of cognitive and pharmaceuticals containing these compounds.
Patent DE-4135787-A1 (DE)
Title: Blanking press for sheet metal or plastics etc. - produces hole patterns and controls number of punches using CPU
Inventor: MAEDA AKIRA
IPC: B41K3/36
Filed: 1991-10-30
Abstract: A high performance blanking press is used to provide a facility for punching hole patterns to create character shaper in metal. The press system has a number of punches (13) that can be preset by a feed unit (13). The punches are part of a die set with an upper and lower section. The press is controlled by a unit with a CPU (2) receiving input from an image scanner that allow a required shape to be entered. Other units provide display (4), input (5), cursor control (6) program storage (7) and outputs to the press (10,11). ADVANTAGE - Rapid change in press operating pattern.
Patent DE-4203823-A1 (DE)
Title: Storage system with several vertically stackable  goods holders - has retrieval device for moving holders from above or below into and out of vertical stack.
Inventor: MICHAELIDES ROBERT DIPL ING
IPC: B65G59/06
Filed: 1992-02-10
Abstract: The retrieval device has an upper vertical conveyor (5) with a gripper (51) for picking up the goods holder (2). It can have a retainer, which keeps the lowermost goods holder (2) of the stack (1) vertically spaced from the bottom, and also has a lower vertical conveyor which can  take a goods holder (2) away from or return it to the stack from the bottom. The storage system can have several stacks (1) of goods holders such that the stacks are placed close together and/or in succession. One or more retrieval systems can be moved up to the positions of the individual stacks. USE/ADVANTAGE - For warehouses,large stores etc.,with high space utilisation and rational working organisation.
Patent DE-4204617-A1 (DE)
Title: Trolley for transportation and lying-in-state of coffins - consists of dismountable frame of individual aluminium bars, and upright corner posts with wheels
Inventor: BAUER GUENTHER
IPC: A61G21/00
Filed: 1992-02-15
Abstract: The trolley is for universal use, e.g. domestic, hospital, in the open, and in a hearse. It consists of a frame with adjustable dimensions. The frame has a coffin support, formed by bars, and it has wheels. The frame consists of pairs of long and short individual bar elements, and of two pairs of corner posts of different lengths. The vertical posts are located in four corners of a rectangle, and may be connected to the individual bars. The wheels/castors are located on the foot ends of the posts. The bars consist of square aluminium tubes, or of timber, plastic, steel, etc. The posts have horizontal journals, for connection to the bars. ADVANTAGE - Universal, easy to handle, easy to store.
Patent DE-4207542-A1 (DE)
Title: Chimney refurbishment equipment using sectional fireclay insert - fits vertical supporting straps down opposite sides of insert, secured by bands with clips, fitting inside bottom
IPC: E04G21/16
Filed: 1992-03-10
Abstract: Down two opposite sides of the insert are lowered two supporting straps (6) secured in place by bands. The bottom of each strap is bent inwards to pass through an opening in the bottom of the lower most fireclay insert to form a connection inside. Each band is slotted and located by a chip between the outside face of the insert and the band. The chip is U-shaped, each side arm of the chip being shaped to grip the band. ADVANTAGE - The system allows an insert to be quickly and easily installed, even when the existing stack is misshapen.
Patent DE-4209081-A1 (DE)
Title: Contact pin cooperating with flat electrode of capacitive press measuring cell - has contact surface provided by beaded edge at end of cylindrical bottom section of sheet metal contact pin
Inventor: GRGEC-MESSNER IVAN
IPC: H01R13/41
Filed: 1992-03-20
Abstract: The contact pin (6) is made of a thin sheet metal with a spring characteristic, its top section curved round to form a conductor (17) cooperating with an electronic circuit (5), processing the press measuring values. The bottom section (18) of the contact pin forms a cylinder open along one side with a beaded edge (19) at its end for forming a contact surface for the flat electrode. The end of the contact pin bottom section (18) is notched at spaced prints across its width before being bent round into the cylinder, to allow formation of the beaded edge (19), without material overlap. USE - For providing electrical connections between capacitive press measuring cell and electronic signal processing circuit.
Patent DE-4211914-A1 (DE)
Title: Heat regulation of water heating system - using data processor for regulation of boiler heating water in dependence on outer and room temp.
Inventor: SANDER WALTER
IPC: G05D23/19
Filed: 1992-04-09
Abstract: The rooms of the building and/or the dwelling are heated to a room temp. (tRA), depending on the ruling external temp. (tA). The water flows back to the boiler with a return temp. (tRU). An constant room temp. (tRA) is maintained by the data processor (MP). The external temp. and the return temp. are taken respectively by thermometer probes (AUF, RUF). A heating amount required for the heating of the rooms is established from the external and return temps. The heating boiler is operated for long time intervals (DELTA tau), for generating the established amount of heat. ADVANTAGE - Eliminates frequent switching on and off of boiler reducing CO content of flue gases, to give high utilisation efficiency.  Works simply and reliably.
Patent DE-4213391-A1 (DE)
Inventor: WANLASS MARK WOODBURY
IPC: H01L31/0687
Filed: 1992-04-23
Abstract: A single-crystal, monolithic, tandem, photovoltaic solar cell comprises an InP substrate 15, a first photoactive subcell 20 on the upper surface of the InP substrate, and a second photoactive subcell 10 on the first subcell. The first photoactive subcell comprises GaInAsP of defined composition. The second subcell comprises InP. The two subcells are lattice matched. An anti-reflection coating 14 is provided on the top of the second subcell and an optically transparent prismatic cover (Fig 6) may be provided. <IMAGE>
Patent DE-4229013-A1 (DE)
Title: In-vitro examination of influences on biological structures - with an appts in which e.g. intestines are rinsed with fluids contg samples and the resulting prods, e.g. gastrin, are measured
Inventor: TEICHMANN REINHARD PROF DR
IPC: G01N33/50
Filed: 1992-09-02
Abstract: In-vitro examination of influences on biological structures comprises (i) human and/or animal tissues of the intestines and gut are the biological structures, (ii) (i) are either subjected to chemical influences or rinsed with a rinsing fluid (fluid, gas or pressure-isotropic medium) and (iii) the prods. resulting from (ii), esp. mediators such as cytokinins, transmitters or signal substances (hormones, biotransformers) are analysed. Also claimed is an appts. for performing the method comprising a main chamber accommodating the rinsing fluid and the biological structure. USE/ADVANTAGE - Toxicity, side effects, efficiency and compatibility can be examined. The new method enables regulatory effects of cell tissues that cannot be taken into account by the mono cell cultures used presently to be taken into account. Animal experiments can be replaced. Compared to known cultures with organs, the present appts. allows the tissues to be functional for 12 hrs.
Patent DE-4233949-A1 (DE)
Title: Feed arrangement for column=type drilling machine - comprises mandrel with external threaded section engaging with threaded sleeve connected to drive and rotating around and axially guiding mandrel.
Inventor: PROBST LUDWIG
IPC: B23Q5/40
Filed: 1992-10-08
Abstract: In a feeding arrangement for a column-type drilling machine with a mandrel-guided main spindle part of the outer surface of mandrel (2) is threaded (3). A counter threaded sleeve (4) connected to the drive source (5) rotates around the mandrel (2) and engages with the thread (3) to maintain the mandrel (2) in the axial direction. The mandrel (2) is guided in a bush (6) with an internal PTFE coating. USE/ADVANTAGE - On column-type drilling machines with a mandrel-guided tool carrier. Reduced wear, uniform feeding speed and silent drive.
Patent DE-4234841-A1 (DE)
Title: Exhaust gas feedback control for diesel engine - controls throttle to allow regeneration of particle filter in exhaust line
Inventor: AIYOSHIZAWA EIJI
IPC: F01N9/00
Filed: 1992-10-15
Abstract: The exhaust gas feedback control uses a valve (4), controlling the exhaust gas feedback vol. through a feedback channel (3), between an air intake (1) and an engine exhaust line (2). A throttle (8) lies upstream of the connection of the feedback channel to the air intake, controlled in conjunction with the feedback valve in dependence on the detected engine operating parameters. The throttle opening can be reduced for raising the temp. of the engine exhaust gases, burning the exhaust gas particles, to allow regeneration of the particle filter (9) in the exhaust line, with corresp. correction of the exhaust gas feedback ratio. ADVANTAGE - Prevents increased formation of particles during regeneration of particle filter.