baber/WOPTO huggingface dataset:
Patent DE-4012020-A1 (DE)
Title: Coating substrates - by application of heat curable powder lacquer contg. polyester resins, oxirane cpds. and additives
Inventor: FARRONATO SILVESTRO
IPC: C09D167/00
Filed: 1990-04-13
Abstract: Process (I) for coating substrate by applying a powder lacquer followed by thermocuring is claimed. The novelty is that a thermosetting mixt., usually a powder lacquer, consisting of: (A) polyester resins with at least 2 carboxyl gps. per mole, opt. contg. hydroxyl gps., and an acid value of 10-70 and hydroxyl value of 0-40, with the proviso that the hydroxyl value is always smaller than the acid value. (B) Oxirane cpds. with at least 2 epoxide gps. per mole. The ratio of the epoxide equivalent of the oxirane cpds. and the carboxyl equivalent of the polyester resins is 0.70-1.30; (C) opt. additives used in powder lacquers, is applied to the substrate and cured for a short time at high temps.. USE/ADVANTAGE - (I) is used in industrial continuous or automated plants to coat e.g. metal, wood, glass, ceramic, plastic, and produces a plating of good quality and is environmentally friendly.
Patent DE-4016816-A1 (DE)
Title: EM valve with spring-centred control slider adjustment - provides for temporary energisation of opposite electromagnet as buffer against slider over=run beyond middle position
Inventor: SCHEMPP ROLAND
IPC: H01F7/18
Filed: 1990-05-25
Abstract: Oil is pumped (23) through a four/three-way valve (10) having a control slider (16) centred in its housing (15) by two springs (17, 18) recessed into the cores of respective electromagnets (12, 13) wired (37, 39) to a switching circuit (14) contg. actuators (25, 26) of paired contacts (27, 28; 27', 28'). When the circuit is broken an auxiliary current path (38; 41) through a diode (36; 36') energises the countermagnet (13; 12) for such a short time that travel of the slider (16) beyond its middle position is prevented. ADVANTAGE - Valve is closed more rapidly with only brief loading of countermagnet at heavy current, allowing operations at higher frequency.
Patent DE-4017792-A1 (DE)
Title: Longitudinal members for chassis of omnibus - have parts cut away with gaps bridged by braced floors
Inventor: GOEPPEL ANTON
IPC: B62D47/02
Filed: 1990-06-01
Abstract: The omnibus has a chassis which has two main longitudinal beams (9). At least one of these beams (9) has a part of its length cut away. The gap in the beam is then bridged with a floor which is formed by a braced structure (13, 20). At each end of this braced structure (13, 20) a cross-beam (14, 15) (22, 23) is fitted and is fastened to the remaining parts of the longitudinal beam (9a, 9b, 9c, 9d). The longitudinal beams (9) are cut away in the region of the entrance and exit doors in order to provide a low access platform. USE - Chassis structure for bus.
Patent DE-4022072-A1 (DE)
Title: Micro-stripline UHF reflector-antenna - includes two mutually parallel plates with dielectric layer between antenna and ground sides
Inventor: WOELFELSCHNEIDER MICHAEL
IPC: H01Q1/38
Filed: 1990-07-11
Abstract: The microstripline type reflector-antenna for the microwave region with a 'clearance' characteristic over metallic and non-metallic objects, includes two mutually parallel plates (3,7) and (9,10) with dielectric layers (14) and (15) positioned between the antenna side (3) and the antenna ground side (7), and the reflector inner face (10) and the reflector outer face (9) respectively.  For single-frequency reception, the antenna design requires a double copper laminated plate with the first dielectric layer (14), and an antenna side (3) and an antenna-ground side (7) behind it. The antenna side (3) is mounted so that the reflector (9,10) is fixed on the antenna ground side behind it by means of a spacer bolt (20). For two-frequency reception, the antenna design requires a double copper-laminated plate with the first dielectric layer (14).  The front antenna ground side and the antenna side (3) are mounted so that the reflector (9,10) is fixed on its rearward side by means of a spacing bracket. USE/ADVANTAGE - Can be used as transmitter and receiver antenna, e.g. for direct attachment to articles and electronics in controlled conveyor belt system for wireless sending of data and reception of codes to control transportation flow.  The data codes can also be used for driverless vehicle control, guidance and for counting.  Can be of flat construction suitable for moulding.
Patent DE-4025905-A1 (DE)
Title: Holder for fluorescent tubes display - has plug socket with several insert sleeves for plug-forming electrodes of tube
Inventor: SCHMIDT EDGAR
IPC: F21V23/02
Filed: 1990-08-16
Abstract: The holder has an electric feed and a ballast for both electrodes of the fluorescent tubes. A plug socket (6) with several plug sleeves (7,8) for the plug forming electrodes (4,5) of the fluorescent tube (1) has the plug sleeves of conductive type coupled to the electric feed (2) via contact bushes (9). The electrodes have conductive conduct collars (10) to which are connected the contact wires of the electrodes, and conductive clamping members (12), whose outer periphry of the contact bushes in a clamped joint. Pref. the plug socket is of plastics with a large standing face, e.g. a cast body with an integrated ballast (3). ADVANTAGE - Combined socket and stand for exchangeable displays.
Patent DE-4026468-A1 (DE)
Title: Solid propellant composition
Inventor: GOLENIEWSKI JOHN R
IPC: C08L71/02
Filed: 1990-08-22
Abstract: Solid propellant composition comprises an oxidant, a fuel, a binder and an additive selected from a stabiliser, an additive for increasing combustion, an adhesive, a scavenger, or a catalyst. The novelty is that a binder is used which contains: (a) 3-12% non-crystalline polyether having a molecular weight of 1250-9000; and (b) 1-12% of an energy-rich plasticiser having a positive heat of explosion.
Patent DE-4030626-A1 (DE)
Inventor: RENNEBECK KLAUS
IPC: H01M4/00
Filed: 1990-09-27
Abstract: Described is a process for producing semi-finished articles with a multiplicity of channels preferably parallel to each other at least in a given plane, in particular honeycomb products. The process comprises the following steps: a laminar preform is produced, made of the materials of the subsequent semi-finished article or its precursors, smooth or preformed sections of this preform are stacked together to give a base form, the sections being joined along preferably parallel lines, the base form is expanded plastically by pulling it in a direction perpendicular to the preferably parallel lines so that channels are formed between the unjoined zones of the preform sections. Applications of the semi-finished article include its use as an absorber, a gas humidifier or dehumidifier, a filter, a catalytic converter, a fire partition or a structural component.
Patent DE-4032027-A1 (DE)
Title: Implanting bone insert sleeve -  by acrylic cement bending at sleeve channel opening regions
Inventor: WREDE ERWIN
IPC: A61F2/30
Filed: 1990-10-09
Abstract: In the introduction and fixing of an implant in a bone (esp. hip bone), having a marrow cavity, with the aid of an acrylic cement introduced and then hardened in the marrow cavity, (a) an implant-forming sleeve (1), which has a shape matching that of the marrow cavity (2) and which has radial (channels (4), is inserted in the bone (3); and (b) the acrylic cement (5) is introduced from the sleeve interior (6) outwardly through the channels (4) into the space formed between the boundary layers of the inner bone wall and the outer sleeve wall. A sleeve for use in the process is also claimed. ADVANTAGE - Adhesive bonding is limited to punch form regions in the regions of the channel outlets, leaving free bone wall areas with undmaged bone cells for bone growth while providing sufficiently strong bonding to allow patients to walk a few days after the operation.
Patent DE-4036293-A1 (DE)
Title: Latticework girder with continuous zigzag connecting bar
Inventor: LAND HARTMUT DR ING
IPC: E04C5/065
Filed: 1990-11-14
Abstract: The latticework girder has a continuous zigzag bar with radiused bends between the top and bottom chords, bent over into loops at the bends. The loops (13) extend to one side of the bar, of which there are two (3,5). The loops on the first bar are below the underchord (21), while those on the second bar are above the top chord (17). The loops of both bars extend in the same direction, those of the first bar (3) facing away from the second bar (5).
Patent DE-4036367-A1 (DE)
Title: Rotary-crank electric drive for vehicular windscreen wiper - is secured by captive screw passing through resilient washer into threaded bore in portion of bodywork
Inventor: EDELE REINHARD
IPC: B60S1/04
Filed: 1990-11-15
Abstract: The wiper arm is secured to a shaft protruding from a bearing whose casing carries a tongue (20) for vibration damping attachment to the bodywork. An annular or cylindrical elastomeric washer (42) is fitted into a hole (45) through the tongue (20) and penetrated by a fixing screw (50) which is held captive by a PVC or rigid plastic disc (60) with thickness about half of the pitch of the screw thread (53). A notch (57) scrapes varnish from the corresp. threaded bore. ADVANTAGE - Installation time and cost reduced by preassembled drive unit with captive fixing screw.
Patent DE-4037397-A1 (DE)
Inventor: HEIMBACH PAUL
IPC: F23N5/18
Filed: 1990-11-20
Abstract: Method for controlling a heater with a premix gas burner which is mounted together with a heat exchanger in a chamber which is arranged inside the housing, which is sealed in relation to the surroundings with the exception of an air supply pipe, of the heater and is sealed in relation to the latter, which chamber is connected to a waste gas pipe, the burner being acted upon via a controllable gas throughput control member and a blower, which supplies the burner and draws in from the interior of the housing, being controllable in its speed depending upon the gas throughput, and the air supply pipe opening into an air chamber arranged inside the housing, which chamber is connected to the interior of the housing via a control member. In order to make possible optimum adjustment of the burner in the part-load range also, it is envisaged that, upon reduction of the burner output, the flow resistance of the air flowing into the interior of the housing is increased in a predetermined manner by adjustment of the control member between air chamber and housing interior and, upon raising the burner output, it is likewise reduced.
Patent DE-4038369-A1 (DE)
Title: Mechanically or electrically operated wrist-watch - has sectoral display of monthly cycle by phase disc having four or eight distinctively coloured sections sequentially visible
Inventor: SAMUEL ERNST
IPC: G04B19/26
Filed: 1990-12-01
Abstract: Within the watch case (1) the movement, concealed by the dial (4), drives conventional hour and minute hands (5) and also a phase disc (3), one or two sectors (7) of which are visible through a circular or heart-shaped aperture in the dial (4). In the simplest embodiment the disc (3) executes one revolution per month and is divided into red, green, two-tone blue and orange sectors corresp. to periods of discharge, fertility, and pre- and post-menstrual relative infertility. An alternative disc having two sectors of each colour takes two months over each revolution.
Patent DE-4038967-A1 (DE)
Title: 2 Stage prodn. of aromatic polycarbonate with low chlorine content - by interfacial then melt or solid phase condensation using volatile solvent contg. chlorine
Inventor: TACKE PETER DIPL CHEM DR
IPC: C08G64/30
Filed: 1990-12-06
Abstract: 2-Stage prodn. of aromatic polycarbonate (I) contg. little or no Cl involves (1) prodn. of a partly crystalline oligomeric precondensate (II) by the interfacial process, using a low boiling solvent (III) contg. Cl, which is readily soluble in the polycarbonate; and (2) further condensn. to high mol. (I) in the melt or in the solid phase, opt. after washing with a solvent (IV). The claims also cover (I) produced in this way. USE/ADVANTAGE - The 2-stage method gives (I) with very low halogen contents, esp. if (III) is CH2Cl2. (I) are useful for making semi-finished prods., mouldings and films, e.g. for use in the electrical industry and vehicle construction.
Patent DE-4102011-A1 (DE)
Title: Clamping blade of pad-saw - has torsion spring which presses blade against inclined face
Inventor: LANGHOFF BORIS ING GRAD
IPC: B23D51/10
Filed: 1991-01-24
Abstract: The hand-held power driven padsaw has a blade (20) with a specially shaped end (20') to enable it to be attached to the driving mechanism of the saw.  The blade holding device consists of an inner housing (15) with a slot in its end wall. This inner housing (15) can be rotated relative to the outer housing (17) in order to bring the slots in the end walls of the housings (15,17) in line with each other so that the blade (20) can be inserted.  A torsion spring rotates the outer housing (17) and blade (20) so that the blade lugs (36,37) engage the edges (31,32) of the slot in the inner housing.  The inner housing abuts against inclined support faces so that the housing is also subjected to an axial force. USE - Padsaws.
Patent DE-4103471-A1 (DE)
Title: Profiled strip for frame - is in form of corner section with two arms are right angles, with-sealing strips
Inventor: GREFERATH HAND GERD
IPC: E06B1/34
Filed: 1991-02-06
Abstract: The all-purpose profiled strip (1) for making a frame for wall, door or window sections is in the form of a corner section with two arms (12, 17) at an angle of 90 degrees to each other. The profiled strip can be joined to other strips or directly connected to a door section (43) to fixed glass section. Sealing strips (46, 35) seal off the walls. The sealing section (46) has a ridge (47) fitting into a groove (5) on the end of hte side arm (6) protruding fromthe arm (12). The profiled strip (1) is joined by fixture points to the wall (48) or masonry by a plug or assembly section. ADVANTAGE - The profiled strip can be re-assembled for instance for exhibitions and can be attached to all kinds of sections.
Patent DE-4104392-A1 (DE)
Title: Light wave guide and new polymers - are based on poly:norbornene or poly:norbornadiene prods. partic. contg. fluoro or fluoro-alkyl substits.
Inventor: SEEHOF NORBERT DIPL CHEM
IPC: C08F32/08
Filed: 1991-02-14
Abstract: In light wave guides comprising (A) a core having refractive index n(K) and (B) sleeve of polymer of refractive index n(M), where n(K)/n(M) is more than 1.01. (1) (A) is of polycarbonate or polymer contg. units derived from opt. substd. styrene or an acrylate, methacrylate or a fluoroacrylate and (B) contains 0.1-100 % (all pts. wt) on total (B) units derived from at least one monomer of formula (1)-(3); or (2) (A) contains 0.1-100% on total (A) units derived from at least one monomer of formula (1)-(3), and (B) is of fluoropolymer; or (3) both (A) and (B) contain 0.1-100% on total (A) or (B) units derived from at least one monomer of formula (1)-(3). In formula (1)-(3) (symbols have same or different meaning in same monomer units and/or adjacent monomer units) R1-R4 = H, D, F or branched or unbranched 1-10C perfluoroalkyl R6, R6 (equitorial or axial) = H, D, or F; m = 1-4; R7, R8 = H, D, F, or 1-10C perfluoroalkyl; X = O or CH2. Thermoplastically processable polymers (I) of formula (4) x, y and z each = 0-1, and (x+y+z) = 1, where degree of polymerisation is 5-10,000. (prepn. of (I) is not described). Prepn. of light wave guides as above by extrusion of core (A) and surrounding (A) by (B) where, (a), (A) and (B) are as in (1) above; or (b) (A) is as in (2) above and (B) is derived from monomer (II) which is vinylidene fluoride, tetrafluorethylene, hexafluoropropane, fluorovinyl ether, methacrylate or alpha-fluoroacrylate ester, and/or a fluorodioxol. ADVANTAGE - Waveguides are prepd. from readily obtainable monomers, can be readily extruded, and can be used at above 100 deg.C. without substantial increase in damping and limitation of transmission length. (I) for use as optical polymers, have very good stability to oxidn. high temp. and weathering, and do not crosslink on storing in air or processing in melt so hydrogenation is unnecessa
Patent DE-4109286-A1 (DE)
Title: Linear bearing with longitudinal guide track - has bearing strips, angled w.r.t. each other, fitted to corresp. surfaces of guide track
Inventor: KOHLER DIETMAR
IPC: F16C29/04
Filed: 1991-03-21
Abstract: A linear bearing has a longitudinal guide track (1,5), upon which a carriage (27) rolls. Bearing strips (17,18), angled w.r.t. eachother, are clipped onto corresponding contact surfaces (11,12) of a clamping profile (5), forming the guide track. ADVANTAGE - The lower-cost precision bearing strips are easily replaced when worn.
Patent DE-4110368-A1 (DE)
Title: Snack kiosk for different types of goods in cylindrical packages - has chutes each contg. two unseparated columns of cylinders with front one of each pair slightly lower than rear one
Inventor: GRUENIG DIETER
IPC: G07F11/08
Filed: 1991-03-28
Abstract: The snack kiosk consists of automatic vending units in series. Each vendor contains a chamber accessible from outside via a drawer and each has a drop chute operable equally from the front and rear. The goods are stacked in the chutes (2) in cylinders of equal size arranged in a double row (4, 11) with no separation. In each pair the forward one is slightly lower than the rear one so that the forward stack falls automatically, freely and without tilting after a cylinder is removed. USE/ADVANTAGE - Kiosk can handle large number of goods, can be filled quickly, requires little space and can operate without supervision.
Patent DE-4118686-A1 (DE)
Title: Damping torsion vibrations in drive train - using lightweight sheet metal plates and axially compact setting of flywheel and screw spring
Inventor: GOUSELIS MICHAIL
IPC: F16F15/131
Filed: 1991-06-07
Abstract: The damping device has two flywheel elements of which one is fixed on the engine crankshaft and the second has a friction face for a clutch disc of a separable friction clutch. The second flywheel element (7) lies in the direction of the axis of rotation (11) underneath the torsion damping spring (13) and has radially outwardly aligned support arms (18), for biasing the damping spring. This second flywheel element is pref. a ring disc wherein the supporting arms are spread out round the outer circumferential face (7b). These supporting arms (18) can be shaped from a sheet metal casing (14) placed round the ring disc. USE/ADVANTAGE - Compact lightweight design, with low mfr. costs.
Patent DE-4121614-A1 (DE)
Title: Restoration of external face of 3-layer external walls of commercial building - by cleaning and preforming external surface and new layer is then bonded on
Inventor: WEISS ANDREAS DIPL ING
IPC: E04G23/02
Filed: 1991-06-29
Abstract: The restoration process requires the existing surface to be fitted and any cracks or fissures filled flush. The light, thermally efficient layer is then bonded to this clean surface to provide a new external layer. Joints may be cleaned out and heat insulating material may be packed into the joints. After the joints have been made good, a surface finishing layer may be applied. USE/ADVANTAGE - Renovation procedure for external sandwich walls of building.
Patent DE-4122259-A1 (DE)
Title: Electromagnetically operated control vehicle throttle or proportional valve - provides unalterable proportionality between user pressure and electrical voltage fed to electromagnets operating valve
Inventor: CAKMAZ AYDOGAN DIPL ING
IPC: G05D16/20
Filed: 1991-07-05
Abstract: The control uses an electrical proportional magnet with positioning stroke which alters proportionally with the electrical voltage fed to the electromagnets. The electromagnet (9) has a controllable proportionality between positioning stroke and electrical voltage dependent upon the level of the fluid pressure on the input side of the throttle or proportional valve (8) so that between the electrical voltage and the level of the fluid pressure at the output side of the throttle or proportional valve a proportionality exists which is not or only weakly influenced by the input pressure. A magnet coil-side pole or pole shoe (32) works in conjunction with the armature (31) of the electromagnetics and is adjustable by alteration of the distance or air gap between pole or pole shoe and the armature (31). USE/ADVANTAGE - For vehicle throttle or proportional valve inserted between pressue source and use unit of fluid system, with adjustment of the air gap between armature and pole shoe.
Patent DE-4122679-A1 (DE)
Title: Axial needle bearing with cage between two flat discs - has one disc with larger outer or smaller inner dia. than other disc,and axial openings
Inventor: BAUER BERNHARD
IPC: F16C19/30
Filed: 1991-07-09
Abstract: A plastics ring holds the components as an integral unit.One  bearing disc (2) has a larger outer dia. (A), or smaller inner dia. than the other disc (1) and axially aligned openings (7) radially outside or radially inside the track face (6). Projections (12) of the plastics retaining ring (5) extend  and engage through or into the openings of the bearing disc. The ring is preferably of L-section with one axially aligned  (11) and one radially aligned arm (10). USE/ADVANTAGE - For axial needle bearings,without the need for machining the discs,but with low-cost mfr.
Patent DE-4126412-A1 (DE)
Title: Two component induction magnetometer - is for simultaneous measurement of field-parallel and vertical navigation components of anisotropic rock samples using pair of induction coils and identical uncoupling coils
Inventor: MARKERT HEINZ DR
IPC: G01N27/72
Filed: 1991-08-09
Abstract: A pair of identically dimensioned and wound induction coils (I/II) is arranged diametrically on a rotation disc, astatic, and with the axes parallel to the rotation axis and rotation shaft, whose conductors are twisted in the drilled shaft centre and run upwards. A screened magnetometer tube of non-magnetic material, e.g. brass, contains non-magnetic glass ball bearings for retention of the rotation shaft, the disc of which is located at the tube end near to the sample a few millimetre above a removable closing metal cover. A pair of identical uncoupling coils (III/IV), equally or similarly dimensioned to the induction coils, is fitted at the shaft and turned away from the sample at a 11 m distance from one another astatically and axis parallel on the shaft. They rotate with the shaft and their facing ends show the same polarity when current flows through. USE/ADVANTAGE - Simultaneous, highly sensitive inductive measurement of magnetisation components of a magnetic anisotrope rock sample of inch-standard dimensions.
Patent DE-4127175-A1 (DE)
Title: Roots twin-rotor vacuum pump - has elongated outlet with edges at slight angle to piston axes
Inventor: BORHAU HEIKO
IPC: F04C29/12
Filed: 1991-08-16
Abstract: The housing (2) contains a pump chamber (3) of oval cross-section. It has two pistons (4,5) rotating around parallel axes (6,7). The wall (8) of the pump chamber (3) has inlet and outlet apertures (14,16). The outlet aperture (16) is elongated and its long parallel edges (19,20) form an angle (alpha) of between 2 and 15 degrees with the rotational axes (6,7) of the pistons (4,5). USE/ADVANTAGE - Roots twin-rotor vacuum pump is designed to give reduced operating noise.