baber/WOPTO huggingface dataset:
Patent DE-3839019-A1 (DE)
Title: Fastening system for wall and ceiling cladding
Inventor: REX PETER
IPC: E04F13/08
Filed: 1988-11-18
Abstract: The invention comprises a profile-clamp system for wall and ceiling claddings. In the case of the latest state of the art, the abovementioned claddings are fastened by means of individual metal clamps (approximately 25 clamps per m<2>). In order to fasten the metal clamps, a hammer, spike and nails are required. Up until now, this has constituted a long and laborious task. The fitting of relatively long profile boards is thus impossible for a single person. The problem is solved in that a profile rail is fastened, as a substructure, on wall and ceiling and a profile clamp has to be pressed manually onto the rail, a clamping effect of the profile taking place by the compression of the clamp in the longitudinal direction. A grid securing means prevents the cladding from moving back. The advantages of the invention consist in a simplified fastening system, the tool-free handling by a single person and the accompanying saving in terms of time. The main possible application is in the case of a wall and ceiling cladding with groove and tongue formed therein. The fastening system can be seen most easily with reference to the accompanying drawing.
Patent DE-3844395-A1 (DE)
Title: Token passing access without configuring the network
Inventor: SCHWARZ SIEGFRIED DIPL ING
IPC: H04L12/407
Filed: 1988-12-30
Abstract: The wait times of the line free test of a CSMA/CD network are controlled so that when the network is loaded, token passing access occurs, and when the network is idle, CSMA/CD access is possible. In this way, the advantages of both access methods are combined.
Patent DE-3844583-A1 (DE)
Title: Device for the coloured representation of graphic symbols
Inventor: EWALD ALFRED
IPC: G09F13/24
Filed: 1988-04-23
Abstract: Writing and graphic symbols are represented in various ways, but previously not by a freely moving liquid. The latter is implemented by the invention. The device consists of a hollow chamber having a front panel (1), a base panel (3) having contoured recesses (4) with the contours of the symbols (5) to be represented, into which a liquid I (2) can be made to flow but can also be made to flow out again. Flowing is facilitated by bevellings (6). The co-use of a second liquid (7) which cannot mix with liquid I (2) also facilitates flowing and increases the visual attraction. The invention can be used in particular as publicity or gift article and as costume jewellery. <IMAGE>
Patent DE-3901288-A1 (DE)
Title: Method for fabricating gate electrodes
Inventor: DAEMBKES HEINRICH DR
IPC: H01L21/338
Filed: 1989-01-18
Abstract: The invention relates to a method for fabricating gate electrodes for high-frequency field effect transistors. Starting from a 3-layer structure consisting of a first polymer layer, an interlayer, for example of oxide, and a top polymer layer, a mushroom-shaped gate pattern is produced by isotropic and anisotropic etching processes. By means of vapour deposition of gate metal into the gate pattern of the layer sequence and subsequent removal of the layers required for patterning, the gate electrode is formed.
Patent DE-3902586-A1 (DE)
Title: Reinforcement connection
Inventor: HIENDL HERIBERT
IPC: E04G21/12
Filed: 1989-01-28
Abstract: The invention relates to a reinforcement connection serving for insertion into a shuttering for a concrete structural part, comprising reinforcement bars which are to be anchored, by anchorage parts, in said concrete structural part and are accommodated, by connection parts serving for the connection of a concrete structural part to be connected at a later date, in the interior of a retaining element which is produced from plastic and closed by a cover. The invention is distinguished in that the retaining element is produced in the manner of a blister packaging from a plastic-sheet blank which exhibits at least one thermoformed portion, which forms the interior and projects beyond one surface side of the blank, and, by its other surface side, is connected, in surface contact, to a surface side of the flat cover.
Patent DE-3903227-A1 (DE)
Title: Raising the deflection-response sensitivity in friction surface dampers
Inventor: HENKEL DIETMAR ING GRAD
IPC: G10K11/16
Filed: 1989-02-03
Abstract: The invention relates to a friction surface damper, consisting of two parts connected to each other, one (first) part (coupling plate) being connected in a non-slip manner to the surface of the constructional part to be damped or itself represents the constructional part to be damped, which can also be a self-supporting damping wall (for example sound capsule), while the other part (friction strip or friction plate) having a longitudinal degree of freedom is arranged on the first part with a corresponding pressure and, in the case of bending-force deflection s - caused by structure-borne or airborne sound - of the constructional part, produces a frictional force F between the contact surfaces of the two parts acting parallel to the structural surface of the constructional part. Dampers of this type have only a low deflection-response sensitivity. Therefore, in order to be able to damp bending wave fields as well, which are distinguished by small path amplitudes of the bending deformation (smaller than 0.5  mu m), it is proposed to equip this type of damper with "movement amplifiers".
Patent DE-3908571-A1 (DE)
Title: Device for at least occasionally coupling the last two telescopic jib sections, guided one inside the other, of a crane jib
Inventor: BLASE HELMUT DIPL ING
IPC: B66C23/90
Filed: 1989-03-16
Abstract: A device for at least occasionally coupling the last two telescopic jib sections, guided one inside the other, of a crane jib to the head of a telescoping element and/or to one another with at least one hydromechanical piston/cylinder unit having a locking pin movable from the penultimate jib section through the last inner jib section into the head of the telescoping element is to be simplified, in which case the space requirement and the continuous loading capacity are to be improved at the same time. This is achieved by the respective piston/cylinder unit (13) being equipped with only one locking pin (14) which, for the simultaneous locking of the head part (11) of the penultimate jib section (4), can be moved from outside through recesses (17) at the last inner jib section (5) with the head (10) of the telescoping element (8) into at least two functional positions (A, C). <IMAGE>
Patent DE-3912183-A1 (DE)
Inventor: STANG GUIDO
IPC: F42B5/145
Filed: 1989-04-13
Abstract: What is described is a disintegrating igniter device for projectiles, grenades, cartridges, missiles and the like, consisting of a thin-walled aluminium sleeve, of a disintegrating ignition charge arranged in this, if appropriate of an ignition aid located in this charge, and of a flange piece arranged at the head end of the aluminium sleeve and having an axial bore, the aluminium sleeve being covered with a thin-walled plastic casing which is preferably produced from a shrinkable tube. Furthermore, there is preferably also a specially designed ignition aid which consists of ignition particles randomly distributed in the disintegrating igniter charge. Such a disintegrating igniter device is characterised by an especially clear-cut and reliable functioning, since its function pattern remains virtually unchanged even under the effects of a high load, such as occurs with the use of devices into which such disintegrating igniter devices are installed.
Patent DE-3917926-A1 (DE)
Title: Process for the production of crosslinked polyamide mouldings
Inventor: SCHMID EDUARD DR SC NAT
IPC: C08G69/48
Filed: 1989-06-01
Abstract: The invention relates to a process for the production of crosslinked polyamide (nylon) mouldings which comprises mixing and reacting polyamides containing at least 30 % by weight of branched polymer chains in the melt with a silane of the formula I <IMAGE>  in which     n is 0, 1 or 2,   Z is an inert organic radical, Y is a divalent, organic radical bonded to the silicon atom and containing a functional group which reacts with amino groups (-NHR or -NH2, where R is an alkyl, aryl, cyclohexyl or aralkyl group having a maximum of 12 carbon atoms), carboxyl groups or amide groups of the polyamides in the melt to form a chemical bond, and   A is a radical which can be hydrolysed on contact with moisture, subjecting the resultant reaction products to a moulding process, and subsequently bringing the resultant mouldings into contact with water or moisture. This process enables the production of polyamide mouldings having novel performance profiles.
Patent DE-3919804-A1 (DE)
Title: Electrophotographic photoreceptor
Inventor: TAMURA YUKIHISA
IPC: G03G5/05
Filed: 1989-06-16
Abstract: An electrophotographic photoreceptor for, for example, a laser printer contains, on a conductive substrate of, for example, aluminium, specific layers each for specific functions, of which at least one layer contains an organic material. So that the photoreceptor does not just have excellent electrophotographic properties, but also has a good external appearance of the surface, specifically has no depressions or an orange skin, at least one of the layers containing an organic material contains from 0.01 to 3 % by weight of a titanate coupling agent, based on the total solids content of the layer.
Patent DE-3921171-A1 (DE)
Title: Convertible ground-flight vehicle - has swivel-mounted propeller which varies thrust direction
Inventor: ZIMMER HERBERT DR ING
IPC: B60F5/02
Filed: 1989-06-28
Abstract: Convertible vehicle with means for propulsion along the ground and in the air having two vertical thrust blowers or propellers (21 21`) spaced at a distance from one another in the longitudinal plane. At least one of the propellers is arranged to be moved form its vertical thrust position about an axis (51) to produce horizontal thrust or horizontal and vertical thrust. USE/ADVANTAGE - Convertible vehicle embodying so-called `flaperons` capable of taking off and landing at very low forward speeds.
Patent DE-3927385-A1 (DE)
Title: Weldable beading for seams on cushion materials - has thermoplastic core surrounded by fabric and integral projecting rib for welding to cushion material
Inventor: MORITZ DIETER
IPC: B68G7/10
Filed: 1989-08-19
Abstract: Beading (1) for seams on cushion materials comprises a plastic core (2) around which a band (3) of a fabric mesh with an outer pile is bonded. The circular core (2) is formed of a weldable thermoplastic and has an integral rib (4) projecting from one side. The tib (4) extends outside the surrounding fabric (3) and can be welded to the cushion material. The thermoplastic core can be PVC, polyethylene or polypropylene. USE/ADVANTAGE - For aesthetic improvement of upholstery seams. The plastic core and projecting rib can be easily welded to upholstery material.
Patent DE-3930726-A1 (DE)
Title: Spray atomising device for coating - has second burner and acceleration chambers to enable higher melting temperatures
Inventor: MAETTHAEUS GOETZ DIPL ING
IPC: C23C4/129
Filed: 1989-09-14
Abstract: Apparatus for spray coating in which powder, wire or dust is atomised consists of a nozzle having a burner chamber (5) and acceleration chamber (6) to which a further burner (5a) and acceleration (6a) chamber are connected to ensure that the melting temp. and/or acceleration speed can be raised. The end piece of the first nozzle chamber (5,6) is constructed as the fuel feed nozzle (4a) of the second nozzle chamber (5a,6a). The water cooled channels (8,9,10) of the components (7,7a) cooling the nozzle are screw connected to each other. ADVANTAGE - High melting particles, esp. those which melt above 1600 deg.C. can be effectively melted irrespective of whether they are in granulate, powder, wire or rod form.
Patent DE-3934731-A1 (DE)
Title: Prevention of cavitation in liq. displacement pump - involves valve piston used to control cross=sectional flow
Inventor: ZIPPEL CHRISTOF
IPC: F04B11/00
Filed: 1989-10-18
Abstract: Arrangement for the prevention of cavitation in a liquid displacement pump (1) having a connecting pipe (6,7) between a pressure pipe (4) and a suction pipe (3), with a valve (11) controlling the cross-sectional flow in the connecting pipe whose closing member is acted upon by a spring (12) in the closing direction. The closing member is a valve piston (17) which is acted upon by the difference between the prssure in the suction pipe and atmospheric pressure. USE/ADVANTAGE - Pump in which the occurrence of cavitation at high speeds or with high viscosity fluids is reliably prevented at low cost.
Patent DE-3938138-A1 (DE)
Inventor: STIBANER MANFRED ING GRAD
IPC: B41F33/02
Filed: 1989-11-16
Abstract: A device on a sheet printing machine (1), by means of which test sheets for a sample or control sheets for quality control can be randomly selected during the printing run, can be identified as such and can be delivered in the deliverer (5) such that they can be differentiated from the other sheets. A printing unit (11) in the region of the feeder (3, 3') identifies the sheets as being those selected by the control device (6) as test or control sheets. Differentiable delivery takes place in the deliverer (5), for example by insertion of paper strips by means of a labelling device (12). A recording device (16) records the distribution of the test/control sheets over the run, at least in the form of the sheet numbers. <IMAGE>
Patent DE-3938726-A1 (DE)
Title: Phase rotator for waveguides in GHz range - has two varactors on substrate secured in waveguide cross=sectional plane
Inventor: RUST STEFAN DIPL ING
IPC: H01P7/06
Filed: 1989-11-23
Abstract: Pref. two varactors of the phase rotator are fitted on a substrate, which is secured in the cross sectional plane of the wave-guide. Each varactor is fitted over a slot line generator, with both such generators near the wide sides of the waveguide aperture. Alternately only one varactor mat be provided. An additional slot may be formed in the longitudinal axis of cross sectional plane. At the end of the additional slot is coupled a slot line parallel to the narrow side, short circuited at identical spacing to the longitudinal axis on either side. Outside of the waveguide may be provided alow pass filter in the cross sectional plane longitudinal axis, coupled to the HF circuit in the waveguide cross section. ADVANTAGE - High tuning linearity, low losses, modular structure, and wide tuning range.
Patent DE-4005368-A1 (DE)
Title: Correction device for radio location system - provides correction values from propagation time differences during application of calibration signal
Inventor: HOERING HANS-C DIPL ING DR
IPC: G01S5/06
Filed: 1990-02-21
Abstract: The correction device provides a calibration signal at the input of each receiver for the radio location signal, provided by a transmitter. The resulting measured propagation time differences obtained by cross-correlation are recorded are correction values for the subsequent position  location measurements. The calibration signal comprises a periodic pulse  sequence. ADVANTAGE - Improved position location accuracy.
Patent DE-4006765-A1 (DE)
Inventor: FISHMAN OLEG
IPC: B22D41/08
Filed: 1990-03-03
Abstract: A molten metal holding and pouring box (14) and nozzle (22) are used in pouring molten metal to a foundry casting mould. The box comprises a rectangular-shaped upper section and an inverted pyramidal-shaped lower section having a pouring nozzle (22) positioned within the bottom thereof. An adjustable stopper rod (50) allows the flow of molten metal to be controlled through the pouring nozzle and into the casting mould. Tho structure of the box allows a relatively constant flow of molten metal to be admitted to the casting mould as the majority of the volume of molten metal is poured from the box with only slight movements of the stopper rod. Slag formation is minimized around the inner surface of the nozzle during non-pouring periods by constructing the nozzle of a thermally conductive material and positioning a portion of the nozzle within the inner surface of the box such that the nozzle remains insulated from thermal contact with the pouring box but continuously remains in thermal contact with the molten metal within the box. <IMAGE>
Patent DE-4010129-A1 (DE)
Title: Tubular structures formed from glass panels
Inventor: KALLINICH DIETMAR DIPL ING
IPC: F16L58/14
Filed: 1990-03-29
Abstract: The structural unit is made from glass panels or dishes (7) which in the static sense form a uniform dish or plate.  They can be connected to the wall and/or concrete casing (1) of a structure and/or to each other through the interposition of compensating means. When forming a tubular unit the lining can comprise several glass dishes which are curved in the measure of the pipe dia. at a distance from the inner wall of the concrete casing.  The glass dishes have axially and circumferentially aligned criss-crossing butt joining seams with sealing sections (4) in the butt joints.
Patent DE-4010423-A1 (DE)
Title: Injection moulded plastics suitcase - has two identical shells with fixtures all moulded in one piece
Inventor: BARES JEAN-JACQUES
IPC: E05B65/52
Filed: 1990-03-31
Abstract: The injection moulded suitcase, e.g. attache case, consists of two identical shells (1) connected through hinges (12-15) and closed with catches (4-11). Catches, hinges and the handle (2) are all moulded in one piece, together with the shell. Each shell has a hinge (14, 15) and a hinge locating slot (12,13). Each catch consists of a tongue (4) and a hinged locking tab (8) with a dog (9). There are additional tongues (20) and grooves (19) along the rim. USE/ADVANTAGE - Injection moulded suitcase consisting of only one moulded component, two of which interlock to make the case.
Patent DE-4010716-A1 (DE)
Title: Ascertaining temp. of internal vol. of object - picking up thermic noise non-destructively and deriving electric signal using electroacoustic transducer
Inventor: HERBERTZ JOACHIM PROF DR ING
IPC: G01K11/22
Filed: 1990-04-03
Abstract: The thermic noise emerging from the internal vol. of the object to be measured (1) is picked-up in at least one frequency range and converted to an electric signal by means of an electro-acoustic transducer (3). This signal is fed to an electric load (5) from which the average electrical power can be derived. A certain part of this power is proportional to the absolute temp. The other part is constant so that the power is unambiguously related to the temp. and can be displayed as a measure of it or can be directly converted into the temp. The output signal of the tranducer is fed to a band-pass filter (4) and a preamplifier (5) whose input resistance serves as the electric load. The output of the preamplifier is rectified (6) and a following low-pass filter (7) forms the mean value of the rectified electrical signal.
Patent DE-4016050-A1 (DE)
Title: Pipe clip made from two half-shells - has captive nut held between walls of U=shaped lug
IPC: F16L3/12
Filed: 1990-05-18
Abstract: The pipe clip is made either from a single strip of metal or from two strips with each strip bent to semicircular form and the two strips fastened to each other on one side of the circle formed by the two semicircles.  Each half shell (12,14) has an integrally formed lug (16,18) which projects radially outwards. The lug (18) has a U-shaped cross-section formed by folding the lug through 180 deg..  A flanged nut is held captive between the legs of the U-shape and receives a bolt (26) which is inserted through a hole in the other lug (16). USE - Pipe clips.
Patent DE-4020349-A1 (DE)
Inventor: MULZER JOHANN PROF DR
IPC: C07C247/12
Filed: 1990-06-23
Abstract: The description relates to a process for producing enantiomer-pure alpha -hydroxypropionoaldehyde derivatives of the general formula (I) in which: R1 is the substituent Q which may be a hydrocarbon radical interrupted by oxygen atoms, carbonyloxy groups, nitrogen atoms and/or resonance-stabilised imido groups and/or thio groups and/or substituted by halogen atoms or a group produced by the hydrolysis of Q, containing hydroxy groups, carbonyl groups or carboxyl groups; and R2 is an alkane sulfonyl group with up to 6 carbon, a trifluoromethane sulphonyl group, a benzole sulphonyl group or a p-toluol sulphonyl group.
Patent DE-4020406-A1 (DE)
Title: New inorganic carrier for bio:catalysts in immobilisation of enzymes - obtd. by conditioning organic carrier comprising silicon di:oxide with aluminium oxide in acid aluminium salt, drying and calcining
Inventor: BONSE DIRK DR ING
IPC: C12N9/92
Filed: 1990-06-27
Abstract: A new inorganic carrier based on porous SiO2 is obtd. by conditioning an original carrier consisting essentially of porous SiO2 with at least 0.2 wt.% aluminium oxide (based on total carrier mass) by impregnation with an aq. soln. of acidic Al salt and subsequently drying and colouring the impregnated carrier. USE/ADVANTAGE - The carrier can be used as a carrier for biocatalysts in the immobilisation of enzymes, esp. glucose isomerase. The carrier is simple to prepare and use in that all the conventional processes can be used. The carrier-bound catalysts are stable to hydrolysis and can therefore be left in reactors for long periods (up to 5000 hrs.). The carrier material does not dissolve during operation and thus the enzyme losses associated with conventional silicon dioxide carrier bound catalysts are avoided. The risk of collapse of the enzyme bed during the reaction of substrate and blocking of the reactor does not exist with these carriers. The carriers have hydrolysis resistance of pure aluminium oxide but are considerably cheaper and do not abrade during operation.
Patent DE-4021516-A1 (DE)
Title: Differential tungsten growth by CVD - by controlling reaction gas ratio for improved step coverage e.g. in DRAM mfr.
Inventor: KIM EUI-SONG
IPC: H01L21/768
Filed: 1990-07-06
Abstract: Differential tungsten growth during CVD is achieved by (i) forming a jucntion layer in a limited zone of a semiconductor substrate and applying an insulating layer, a first polysilicon layer, a tungsten silicide layer and a second polysilicon layer; (ii) patterning the first polysilicon, tungsten silicide and second polysilicon layers; (iii) forming first (X) and second (Y) contact zones; (iv) differentially growing W by CVD on the contact zones by controlling the ratio of reaction gases; and (v) applying Al alloy onto the W. Pref., the first contact zone (X) is produced on the single crystal silicon junction layer (12), while the second contact zone  (Y) is formed on the polysilicon layer (18). The tungsten silicide layer (15) may consist of polysilicon, molybdenum silicide, tungsten, titanium, titanium silicide and aluminium alloy for forming bit lines. The reaction gases used in tungsten CVD are SiH4 and WF6 in the ratio 0.7-0.9, pref. 0.8. USE/ADVANTAGE - The process is useful in prodn. of metallic circuit connections e.g. in memory devices such as DRAMs. It allows contact zones of different depth to be filled to the same height, thus improving step coverage.
Patent DE-4022754-A1 (DE)
Title: Trunk piston for IC engine - has skirt with areas of different surface roughness
Inventor: GABELE HUGO
IPC: F16J1/02
Filed: 1990-07-18
Abstract: The trunk piston has an upper section with ring grooves, and a skirt below it without grooves.  The skirt has areas of different surface roughness. The axially central skirt section (A) has a lesser roughness, than the top and/or lower end sections (B,C) and the roughness increases gradually from the centre towards the ends. USE/ADVANTAGE - Roughened areas on IC engine piston skirt help to hold oil for lubrication.