baber/WOPTO huggingface dataset:
Patent DE-4018138-A1 (DE)
Title: Photographic base with reflective metal layer coated with adhesive - contg. vinyl] chloride or vinylidene chloride copolymer and epoxy cpd.
Inventor: OGATA YASUHIRO
IPC: G03C1/93
Filed: 1990-06-06
Abstract: Photographic base has an adhesive coat applied to a metal surface, which has mirror reflection or sec. diffusion reflection properties. The adhesive consists of a copolymer (I) contg., as first constituent, vinyl chloride (VC) and/or vinylidene chloride (VDC); and an epoxy cpd. (II). Pref. the second constituent is vinyl acetate (VAc), maleic anhydride (MAn), maleic acid (MA), styrene, acrylonitrile (AN), methyl acrylate, diethyl fumarate, 2-chloroallyl acetate, diethyl maleate, isobutyl vinyl ether, aryl acetate, isobutylene or isopropenyl acetate. In particular, (I) is a copolymere of VC and VDC; VC, VDC and MAn; VC, VDC and VAc; VC, VDC, MA and VAc; VC and VAc; or VC and AN. USE/ADVANTAGE - The adhesive is claimed for use on Al, Te, Mo, Po, Co, Zn, Cu, Ni, Fe, Sn, V, Ge, Ag, Ag emulsion, Cr, Ti or their alloys. It gives good long-term stability and resistance to heat and weathering, prevents delamination of the light-sensitive Ag halide (AgX) coat and does not cause fogging or staining. The colour reproduction or gradation is good, hence sharp images are obtd.
Patent DE-4020990-A1 (DE)
Title: Exhaust gas to air heat exchanger for IC engine exhaust - has air inlet and outlet connections at the ends and midpoint of heat exchanger, dividing it into two separate axial sections
Inventor: KUHN WILHELM DIPL ING
IPC: F02M31/04
Filed: 1990-07-02
Abstract: The exhaust gas to air heat exchanger (4) is fitted around a component, pref. a catalytic converter (1), of an I.C. engine (2) exhaust. By arranging air inlet and outlet connections (5) both at the ends as well as at a midpoint along the heat exchanger, the heat exchanger is divided into two separate axially adjacent sections (6,7). ADVANTAGE - Reduced air resistance in the heat exchanger.
Patent DE-4022866-A1 (DE)
Title: Gradations of pixel brightness in liquid crystal matrix display - can be easily produced by dividing timing period into 3 unequal sub-periods and biassing pixel for combination
Inventor: FUTAMI TOSHIO
IPC: G02F1/133
Filed: 1990-07-18
Abstract: The matrix display features a circuit (22) to set up a long display period (3T) and a circuit (23) to subdivide this into image-periods (4T/5, T, 6T/5). The display period contains a number of image-periods of different time duration which define the time during which the bias-signals are applied to the pixel. - The brightness or depth of colour of each of the pixels, which may be combined into a basic display element, is controlled through the long display period. The brightness or depth of colour of the pixels is defined by the effective bias applied0 between the 2 conductors (x and y) between which the liquid crystal material is placed.
Patent DE-4024348-A1 (DE)
Title: Water and vibration proof connectors for vehicle electrical circuits - has O-ring seals, sub-divided common harness and elastic connection of rubber housings
Inventor: KONTANTS HORST
IPC: H01R13/631
Filed: 1990-07-27
Abstract: The end of a free-plug connector (12) is mounted  coaxially in a re-entrant sheath (11) and engages with a fixed socket (23) mounted in silicon rubber (24) and surrounded by a coaxial shield (22) with an 'O'ring (25) to form a waterproof seal with the sheath. To facilitate entry and withdrawal, the shield end is chamfered to match that at the sheath end (18). Several connectors can be accommodated on the same plastic  cable-assembly which is subdivided at some short distance from their ends (14). ADVANTAGE - Mated connections are readily manipulated during assembly or servicing.
Patent DE-4025932-A1 (DE)
Title: Adjustable tool head for machine tool
Inventor: MUENDLEIN WERNER
IPC: G01B7/02
Filed: 1990-08-16
Abstract: The adjustable tool head has a main body (10) which rotates about a given axis and a slide (14) which is displaced perpendicular to the axis of rotation, supporting at least one cutting tool. The main body (10) incorporates a compartment (18) for housing a supply battery and an electronic measuring device for direct measurement of the slide displacement, for controlling an associated digital display (26) also mounted in the tool head. The electronic measuring device (20) and the display (26) are enclsoed by a protective metal cover (30) incorporating a viewing window for reading the display (26), provided with a fluid-tight seal around its peripheral edge.
Patent DE-4033863-A1 (DE)
Title: Circuitry detecting and influencing electro-physiological structures - applies electric current by electrodes connected to detection amplifier and via gas discharge tubes in series with input resistance
Inventor: ISMER BRUNO DR RER NAT
IPC: A61B5/042
Filed: 1990-10-22
Abstract: The influencing current is switched to the electrodes (3a,3b,3c) connected to the detection amplifier (5) via one or more controlled gas discharge tubes (6,6a) in series with the input resistor (4) of the amplifier. This arrangement ensures that only during the direct current flow is the detection of electro-physiological signals stopped. The detection of the signals and the influencing of electro-physiological structures, esp. the heart, is carried out via mechanical or electrical change over switch(es). The period of influencing current supply can be regulated by the gas discharge tubes by means of an ignition unit (7). The tubes can block the power source (8). ADVANTAGE - Detection and affecting via same electrodes without requiring switch over between the detection amplifier and influencing current source.
Patent DE-4039077-A1 (DE)
Title: Glass pane mounting - formed by multipart frame with channels to give injection moulding around edges of glass pane
Inventor: ARMBRUSTER GUENTER
IPC: B29C33/30
Filed: 1990-12-07
Abstract: The appts. to give a direct shaping to the mountings for glass panes, for construction or vehicle fittings, uses a multi-part frame with shaping channels open to the interior at the edges of the glass pane for high pressure injection moulding with PVC or low pressure injection moulding with polyurethane. At least two frame members (8, 10) each have a profile head (14) at one end, which gives a keyed fit in the shaping channel of the adjacent frame member (9, 7). The head is moved in place by sliding, and at least one profile head (14) has a channel (16) for the moulding mass to be inserted. The frame members are pref. joined together in pairs (7, 8; 9, 10) with a profile head (14) for each pair of members. Two frame members (7, 8) are firmly bonded together, and the other pair of frame members (9, 10) with profile heads (14) slide against them, where one frame member (9) has two profile heads (14) and can be lengthened by inserts. USE/ADVANTAGE - The system gives a mounting round the glass pane which is of the correct size for fitting in place, and allows for variations in the dimensions of the glass. The appts. gives a moulded fitting for glass panes in a variety of sizes.
Patent DE-4040996-A1 (DE)
Title: Polymers contg. N-tert.-butyl maleimide units and opt. comonomer(s) - having high transparency, used as base polymers in sensitive resist systems
Inventor: SEBALD MICHAEL DIPL CHEM DR
IPC: C08F2/06
Filed: 1990-12-20
Abstract: Polymers comprise N-tert.-butyl maleinimide monomeric units. Also claimed is the prepn. of the polymers by polymerising, pref. radically N-tert.-butyl maleinimide and opt. further monomer(s) in an organic solvent and isolating the polymer. Copolymers of N-t.-butyl maleinimide with styrene and terpolymer with styrene and maleic anhydride or maleic anhydride and allyl trimethylsilane are specifically claimed. USE/ADVANTAGE - The polymers can be used as base polymers in highly sensitive resist systems. They have high transparency and are used in high contrast DUV photoresistor, e.g., for irradiation with krf excimer laser irradiation appts. (of wavelength 248nm)
Patent DE-4100451-A1 (DE)
Title: Semiconductor accelerometer suitable for mass prodn. - has film element preventing extensive vibration of wt. at low cost and with high reliability
Inventor: UCHIYAMA MAKOTO
IPC: G01P15/12
Filed: 1991-01-09
Abstract: A semiconductor accelerometer contains a substrate (101) with a supporting element (11) and a wt. (103) formed in the substrate with a gap (124) between the wt. and the supporting element. The wt. is joined to the substrate by a freely protruding carrier (102) formed in the substrate. A voltage sensor is formed in a surface region formed by the carrier and wt. A film element (301) covering the wt. prevents its movement during excessive acceleration of the sensor. ADVANTAGE - Can be mass-produced using reliable, low-cost mechanism preventing excessive vibration of wt.
Patent DE-4100908-A1 (DE)
Title: Nickel-bronze alloy - for horizontal continuous casting mould sleeves
Inventor: PANGERT LOTHAR
IPC: C22C9/02
Filed: 1991-01-15
Abstract: A mould material for prodn. of the mould sleeves of horizontal continuous casting machines used in non-ferrous metallurgy, has the compsn. 90-97 % Cu, 2-6% Sn, 0.5-3% Ni and 0.1-2% Zn. The material is pref. aged at 400 deg.C for 20 hrs. to increase its hardness from 85 HV to over 200 HV and to stabilise its mechanical properties at up to 500 deg.C. Exemplified alloys have the compsns. (i) 45.5 % Cu, 2.2% Sn, 1.8% Ni and 0.5% Zn and (ii) 92.1% Cu, 5.1% Sn, 2.5% Ni and 0.3% Zn. ADVANTAGE - The material has good casting and working properties, high elastic limit and fatigue strength, high hot strength, good corrosion resistance and relatively good thermal conductivity. It has higher strength and longer service life than the conventionally used alloys and, in the molten state, has improved fluidity so that flanges can be formed during centrifugal casting and a thinner sleeve can be cast.
Patent DE-4101788-A1 (DE)
Title: Surface mount chip capacitor on plastic substrate material - is built up by sputtering metal layers and dielectric layers and can be produced continuously
Inventor: TEUSCHLER HANS-JOACHIM DR SC N
IPC: H01G4/30
Filed: 1991-01-18
Abstract: The chip capacitor, mfd. using thin film processes, uses a substrate consisting of a heat resistant and form retaining organic polymer material. The electrode and dielectric layers are deposited by sputtering. A mfg. process is also claimed. USE/ADVANTAGE - The process can be carried out continuously, and uses only vacuum processes. By using a high quality dielectric layer the quality of the capacitors can be made very high. The capacitors can be used in the mfr. of SMT PCB's and can be soldered either way up. In an example, on a 6.3mm wide polymer film contact strips were made of C with a thickness of 20-200nm. The distance from the strips to the edges was 1.00mm. The narrow strip was 1.15mm wide, the separating gap 0.3mm. The edges were folded over and secured. Then a dielectric layer 20-200 nm thick was deposited by sputtering, followed by a top electrode of Cu. Then an insulation layer of SiO2 was deposited and a plastic foil glued on. Chips 1.5mm wide were sepd. by cutting.
Patent DE-4103035-A1 (DE)
Title: Ventilation system for interior of vehicle - uses air conduction channel with discharge grilles
Inventor: BALL WILFRIED
IPC: B60H1/24
Filed: 1991-02-01
Abstract: The ventilation arrangement is for the interior or a passenger car. It has an air conduction channel (5) with air outlets (6) which extend along a side wall of the vehicle. The air outlets open into an air distribution housing (7) covering the air conduction channel, and the housing is provided with discharge grilles (8) opening into the vehicle interior. USE/ADVANTAGE - Ventilation system which adequately ventilates the entire vehicle without creating annoying draughts for the occupants.
Patent DE-4107482-A1 (DE)
Title: Air conditioning device for room - is equipped with heater and agitator to blow air past swivelling vanes through outlet
Inventor: KOBER HERBERT
IPC: F24D19/10
Filed: 1991-03-08
Abstract: The device is used for air conditioning rooms. It is equipped with an air heater and agitator and an outlet (6) in which are located swivelling air vanes (7) to direct the air flow. An adjusting device (14), fixed inside the outlet (6), is controlled by the temp. and velocity of the air flow (20), to vary the swing of the vanes (7) as necessary. The device (14) is a gas filled cylinder (18) and its piston rod is connected to one of the vanes (7). USE/ADVANTAGE - Room air conditioning device. The outlet vanes are automatically controlled to move as required by the temp. and velocity of the air flow.
Patent DE-4108645-A1 (DE)
Title: Solid insol., non-polluting zeolite based oxidising agent - obtd. by incorporating redox ions then treatment with oxidising agent, for destroying bacteria and pollutants in waste water
IPC: C02F1/50
Filed: 1991-03-16
Abstract: Prodn. of solid, insol. and environmentally acceptable oxidisng agent (A) comprises first incorporating by ion exchange, ions having redox properties into a zeolite structure. These ions are then oxidised, with or without impregnation by oxidising cpds. so as to generate a variable level of oxidising power. Mn02 components are prepd. and inserted into the zeolite, Mn2+ ions incorporated into the structure by ion-exchange and treated e.g. with KMn04 soln. USE/ADVANTAGE - (A) are used to eliminate microorganisms and to oxidatively degrade pollutants (e.g. organic solvents or colloidally/dissolved suspended particles and components) partic. in treatment of industrial waste water (esp. that from paint shops). (A) removes metals and NH4 ions; acts as a coagulant and absorbs (then kills) bacteria. Unlike known coagulation systems it does not require a neutralisation stage; introduces almost no salt into the waters; hardly ever causes foaming; reduces heavy metal and COD levels, and produces a compact sludge which is easily dewatered
Patent DE-4109938-A1 (DE)
Title: Surface defect detector for flat or cylindrical objects - has separator optically dividing two photoreceivers intercepting reflected light originating from laser beam generator
Inventor: ONO HIROSHI
IPC: G01N21/952
Filed: 1991-03-26
Abstract: A conveyor moves the object to be tested in a linear direction. A scanner (1) and a He Ne laser direct a laser movement. A first photosensor (2a) generates a first signal related to the reflection of the laser beam (4) from the object. A second photosensor (2b) operates likewise to produce a second signal. An edge domain (22) optically divides the photosensor arrangements so that they intercept separate reflection components (6). A comparator, a gate, a counter, a memory, a c.p.u. and a personal computer process the first and second signals to register small ripple faults. ADVANTAGE - Detects very fine ripple and roughness defects.
Patent DE-4115768-A1 (DE)
Inventor: ELMER STEFAN
IPC: B26B7/00
Filed: 1991-05-15
Abstract: A meat-cutting knife has two laterally covered toothed blades (2, 2') in a guide (1) on their backing (8), that can move with respect to each other and that are preferably mechanically driven by means of at least one eccentric (4) and one driving lever (3, 3'). In order to simplify their mounting and servicing, both blades (12, 2') are provided each with at least one guiding slot (9, 9') parallel to the blade backing (8), in which penetrates a guiding part (10) for both blades (2, 2'), whereas both blades (2, 2') can be inserted together with the guiding parts (10) into the guide (1), beginning with the point (12) of the knife. For that purpose, guiding grooves (11, 11') for the guiding parts (10) open in the direction of the point (12) of the knife are provided in the guide (1).
Patent DE-4117790-A1 (DE)
Title: Digital regulator processing signals from object and/or process - continuously evaluates output state of process to provide update of knowledge base used in control unit for real=time working
Inventor: BROCKMANN WERNER
IPC: G05B13/02
Filed: 1991-06-02
Abstract: A knowledge based learning system is used for the control of object or processes (2), e.g. motor or chemical process. Data (5) is entered into the real-time system and outputs (6, 7) generated. The input data are processed (10) to extract key parameters and the regulation signals are generated by a unit (20) that includes a knowledge base (60) of data dependent upon the observed output (5) of the process. Specific parameters are continuously sampled (40) and classified. Weighted signals are produced (50) and are introduced as modifications to the information held is the knowledge base. USE/ADVANTAGE - Bioreactors and simulated bio-reactors. Has learning process to generate improved real-time control action.
Patent DE-4120939-A1 (DE)
Title: Cable duct - has channel sections with slotted flanges for mounting sockets and cover plates at open side
Inventor: VALTONEN RAINER ILKKA TAPIO
IPC: H02G3/04
Filed: 1991-06-25
Abstract: The channel section member (1) installed at floor level, for holding electrical supply cables and to which sockets (2) can be attached, uses the flanges (8) above and below its open side (6) for securing the sockets, and also for attaching cover plates. The flanges have openings (9) spaced along them to receive securing elements which connect the flages on the socket housings. There socket flanges also incorporate locating lugs which engage the channel flanges. ADVANTAGE - Simple, fast installation.
Patent DE-4123504-A1 (DE)
Title: Desktop computer housing construction
Inventor: LEVERAULT CRAIG M
IPC: G06F1/18
Filed: 1991-07-16
Abstract: The computer may be opened to provide access to substantially all of the functional components for trouble shooting, maintenance and repair purposes without disconnection of any of the interconnects within the computer and without any interference with the connectability with the outside world. The computer and the input/output functions may be fully functional and exercisable when the computer is so opened. The computer housing is split into upper and lower housing assemblies with the mother board fastened into the lower portion of the lower housing assembly and the power supply, cooling fan and disk drives fastened into the upper housing assembly. - The power supply is positioned  one end of the respective housing assembly and extends out of the open face. The opposite end of the supper housing assembly and the adjacent end of the lower housing assembly have interfitting devices for coupling together when the two housing assemblies are fitted together, thereby closing the computer housing. When so closed, the power supply spans between the upper and lower housing assembly, with the two being fastened together by way of a lock extending into the power supply case. Various other aspects of the invention, including the use of the power supply case as both a structural and alignment apparatus are disclosed.
Patent DE-4124534-A1 (DE)
Title: Pressure-tight hose connection - esp. for high pressure hoses with large min. bending radius, in which hoses are connected by rigid tubes, esp. commercial elbows
Inventor: KOSSAKOWSKI GERHARD
IPC: F16L33/00
Filed: 1991-07-24
Abstract: In a hose connection, esp. for reinforced high pressure hoses with a large minimum bending radius, the hoses (25,26) are connected pressure tightly together by one or more rigid tubes (27), esp. commercial pipe elbows. USE/ADVANTAGE - The connection is esp. useful for high pressure hoses in the hydraulic connections between fittings and movable machine components, e.g. plastics injection moulding machines, locomotive and aircraft tow connections and water cooling. It provides stress free connection without understepping of minimum bend radius and allows use of minimal hose lengths for relatively large displacements of the connected machine components.
Patent DE-4129366-A1 (DE)
Title: Bag for packing powered foodstuff - has support ring which is injection moulded with bag and fits onto rim as container
Inventor: JUNGHANS KLAUS DIPL ING
IPC: B31B50/86
Filed: 1991-09-04
Abstract: A powdered foodstuff is packed in a bag (1) which is enclosed in a cardboard carton (4). The bag is supported in the carton using a ring (2) which has a groove (2a) formed in its undersurface. The groove enables the ring to be fitted over the upper edges of the walls of the carton. The ring is made from the same type of plastics as the bag and is produced by injection moulding. Moulding the ring with the bag reduces the manufacturing cost of the bag and ring compared with a separately produced bag and ring. USE/ADVANTAGE - Packing of powdered foodstuff in a bag by a low cost method.
Patent DE-4130881-A1 (DE)
Title: Minimising solid loss in batch hydrolysis of chloro-silane distn. residue - by reducing initial temp. and steam supply before reaching hydrolysis temp.
Inventor: RUFF KLAUS
IPC: C01B33/107
Filed: 1991-09-17
Abstract: Reducing the discharge of solids by the gas phase in batch hydrolysis of residues from chlorosilane distn. with steam in the usual way is effected by placing batches of a predried residue (I) in a hydrolysis reactor initially at a temp. at least 5 deg.C below the drying temp., supplying steam already heated to the hydrolysis temp. in an amt. of at least 0.2 kg/h.kg (I) if the temp. is less than 170 deg.C and increasing the steam supply to at least 0.3 kg/h.kg (I) from 170 deg.C. USE/ADVANTAGE - The solids content of the vapour leaving the hydrolysis reactor is minimised. The HCl recovered can be recycled to the main Si hydrochlorination process.
Patent DE-4131965-A1 (DE)
Title: Method for vertical transportation of piece goods - uses roller tables with lockable rollers, to unload goods at intermediate floor
Inventor: OSER JOERG
IPC: B65G17/12
Filed: 1991-09-25
Abstract: The platforms consists of roller tables with lockable rollers, and there is an intermediate floor. The rollers are locked, when the goods are moved onto the platforms, and vertically transported. The conveyor is stopped, when a platform has reached the intermediate floor. The rollers are then rotated, to unload the goods. More intermediate floors are inserted and the platforms corresponding to these floors are arranged at a distance to one another on the conveyor. ADVANTAGE - Can service intermediate floor.
Patent DE-4138531-A1 (DE)
Title: Granular flowmeter for harvester thresher grain elevator - has measurement  position at end of rocker in which grain flow affects electric or electromagnetic field
Inventor: ALLWOERDEN WILHELM DIPL ING
IPC: A01D41/127
Filed: 1991-11-23
Abstract: The flowmeter includes a measurement position in the region of a grain elevator (1.1) leading to a grain tank (1.5). The grain flow (2) influences an electrical or electromagnetic field in the measurement position. The measurement position can contain a capacitor with at least two capacitor surfaces (3). The measurement position, and esp. the capacitor surfaces, are hardened. ADVANTAGE - Measurement of at least part of grain quantity allows accurate determination of amount of grain.
Patent DE-4138772-A1 (DE)
Title: Two-part exercise machine for developing hand and lower arm muscles - has vertical stand with vertically movable element, horizontal bar, dumb-bell discs, handle and grips
Inventor: PAPARA MACIEJ
IPC: A63B23/16
Filed: 1991-11-26
Abstract: The exercise machine incorporates a vertical guide (B) which has a vertical stand (9) on which moves a vertically movable element (7), to which a horizontal bar (10) is fixed supporting dumb-bell discs (11). A rubber buffer is positioned between the stand and the movable element. A handle (A) has two L-shaped grips (1, 3) which can be pressed together. Between the handle and the weight is a flexible power transmission appliance consisting of a cable (5) and a casing (6). USE - The exercise machine for developing the muscles of the hands and lower arms accurately controls the amount of force applied.