baber/WOPTO huggingface dataset:
Patent DE-3920669-A1 (DE)
Title: Optical scanning arrangement for rapidly moving material - contains laser, anamorphotic propagator, deflector, scanning lens and receiver arrangement
Inventor: FETZER GUENTER DIPL ING
IPC: G01N21/89
Filed: 1989-06-23
Abstract: An optical scanning arrangement contains a laser, an anamorphotic beam propagator, a periodic deflector, a scanning lens, a photosensitive receiver arrangement (10) for the light from a scanning light spot and an evaluation circuit. The receiver arrangement contains adjacent receiver elements (11). A lens (12) in the receiver beam path associates the scanning (13) and receiver (14) plane images. A deflector (16) displaces the scanning motion of the receiver element images so that the light spot (17) illuminates them. USE/ADVANTAGE - Linewise scanning of rapidly moving materials transversely w.r.t. feed direction, ensuring good resolution in feed direction.
Patent DE-3920953-A1 (DE)
Title: Cable cuff for communications cables of differing dia. - has channel along longitudinal edges of each half shell receiving sealing mass
Inventor: DEHLING HELMUT DIPL ING
IPC: H02G15/113
Filed: 1989-06-27
Abstract: The cable cuff comprises 2 cooperating half shells (2,3) which fit together to provide cable reception openings at their opposing ends. The 2 longitudinal edges of the half shells (2,3) have an injection channel section, with an  injection space around the cable reception openings, together cooperating to provide an injection channel loop which receives an injected sealing mass (8) for providing an air-tight and water-tight seal. Pref. the longitudinal edges of each half shell (2,3) have a U shaped channel (9). The ends of the arms are profiled to interfit with complementary profiles of the facing arms of the opposite half shell (3,2). ADVANTAGE - Simple provision of air-tight and water-tight seal.
Patent DE-3924133-A1 (DE)
Title: Concrete bolt straddling dowel - has metal sleeve and incorporates screw bolt through hole with conical end
Inventor: MAECHTLE DANIEL
IPC: F16B13/06
Filed: 1989-07-20
Abstract: The straddling dowel consists of a metal sleeve possessing single segments or cups. A screw-bolt goes thorugh the straddling dowel. The screw-bolt's end facing the bottom of the bored hole holds a screw-cone protruding into the straddling dowel. The cone at least is made of refined steel. Its outer surface at least has a smooth surface or a surface treated by pressure-rollers. USE/ADVANTAGE - The peak-to-valley height is reduced, and the frictional properties are improved.
Patent DE-3942058-A1 (DE)
Title: New tetra:silyl methane and prepn. from aryl halo-silane - and carbon tetra:halide by redn. halogenation and hydrogenation, for amorphous silicon prodn.
Inventor: SCHMIDBAUR HUBERT PROF DR
IPC: C07F7/08
Filed: 1989-12-20
Abstract: Tetrasilyl methane, C(SiH3)4, (I) is new. (I) is prepd. by (a) reacting arylhalosilanes of formula (II) with C tetrahalides (III) in the presence of a reducing metal (IV); (b) reacting the resultant tetrakis(arylsilyl)methane (V) with H halide (VI); and (c) reducing the trakis(halosilyl)methane (VIII) to (I) with a metal hydride (VIII); Ar = (substd) aryl pref. (substd) phenyl, the pref. substits. being 1-4C alkyl, and/or alkoxy esp. Me or MeO, pref. in the p-position to the silyl gp. X = halogen, pref. Cl and/or Br; Y = the halogen atom of (VI) pref. Br. (IV) is Mg; and (VIII) is LiAlH4. USE/ADVANTAGE - (I) is useful as (additive to) process gas for the deposition of amorphous Si and its alloys with C (a-Sicx:H) from the gas phase (CVD) or liquid films giving films with good physical properties.
Patent DE-4002593-A1 (DE)
Title: Decorative sheet with profiled surface - is produced by extruding polystyrene on to real decorative veneer, hot pressing, thermo-forming and forming polystyrene behind the sheet
Inventor: WOLTER PAUL
IPC: B32B21/08
Filed: 1990-01-30
Abstract: A decorative sheet with a profiled pattern, particularly for use as covering for walls, ceilings etc. is produced with a wood grain finish in thermoplastics on the visible side. In the process a flat sheet of veneer is coated on the reverse side with the thermoplastic concerned and the polymer is heated to bond it on, this sheet is then pressed into the desired profile at a temp. above the softening pt. of the polymer. The polymer is pref. applied to the veneer by extrusion and is pref. polystyrene. The structure can also contain a foamed polymer (pref. polystyrene).
Patent DE-4005776-A1 (DE)
Title: Start and operating circuit for fluorescent lamp - uses digital circuit to control voltage and firing point
Inventor: KALBERLAH KLAUS DR
IPC: H05B41/298
Filed: 1990-02-23
Abstract: The starter and operating circuit has an i.c. stage (1), coupled to a voltage generator (2), clock oscillator (3) and a digital control circuit (5).  The digital circuit has outputs to control the switching of a pair of MOSFET devices (6,7) that are coupled to the primary (9) of a transformer (10). The secondary winding connects with the electrodes (14,15) of a fluorescent lamp (16) via a capacitor (17) to form an oscillator circuit.  The pulse width and timing is provided by the signals generated from the MOSFETS. ADVANTAGE - Provides reliable operation of fluorescent lamp.
Patent DE-4020388-A1 (DE)
Title: New N-phthaloyl-O-benzyl oxime ether cpds. - useful as plant fungicides and for control of wood-destroying fungi
Inventor: BRAND SIEGBERT DR
IPC: C07C251/60
Filed: 1990-06-27
Abstract: N-Phthaloyl-O-benzyl oxime ethers (I) are new. X = CH2, CH(1-4C alkyl), CH(1-4C alkoxy), CH(1-4C alkylthio or N(1-4C alkoxy); Y = O, S or NR4; Z1, Z2 = H, halogen, methyl, methoxy or cyano; R1, R2, R4 = H or 1-4C alkyl; R3 = H, halogen, cyano, nitro or opt. substd. 1-4C alkyl, 1-4C alkoxy, 1-4C haloalkyl, 1-4C haloalkoxy, aryl, aryloxy, benzyloxy, heteroaryl or heteroaryloxy; n = 1-4. USE - Cpds. (I) are broad spectrum plant fungicides esp. useful in the control of Ascomycetes and Basidiomycetes. They can be used to treat plants at a rate of 0.02-3 kg/ha and to treat seeds in an amt. 0.001-50 g/kg. Cpds. (I) are also useful in protecting wood against fungal damage. In an example, a mixt. of methyl 3-methoxy-2-(2-bromomethyl) phenyl-acrylate (III) (10 g), hydroxyphthalimide (II) (5.7 g), triethanolamine (3.9 g) and N-methylpyrrolidone (50 ml) was stirred at 60 deg.C, added to ice-water and filtered. The ppte. was washed and dried to give methyl 3-methoxy-2-(2-(phthalimidooxy) methyl)phenyl-acrylate (I) (9 g; 70% yield); m.pt. 156-158 deg.C
Patent DE-4021295-A1 (DE)
Inventor: SCHIEWE WALTER DIPL ING
IPC: E01C11/22
Filed: 1990-07-04
Abstract: Drainage for a pavement which is for example bordered at the side by a kerbstone, comprising an upper water-permeable drainage layer, below that a barrier layer, and base layers arranged below the barrier layer, with a lateral strip of water-permeable material along the kerbstone underneath which extends a foundation, and with a duct which adjoins the strip and leads to a water discharge, the water-permeable strip being formed by an edge section of the drainage layer and the duct being formed by channel elements which are let into the foundation, said elements being arranged on the edge section by lateral openings oriented relative to the drainage layer and upper openings disposed at the level of the edge section.
Patent DE-4021735-A1 (DE)
Title: Slitter for plastic film - has upper and lower plastic jaws with separate plastic tooth carrier held firmly in recess in upper jaw
Inventor: PATTBERG VOLKER
IPC: B26D1/04
Filed: 1990-07-07
Abstract: A splitting device (1) for plastic film has a simpler design, which simplifies handling. The slitting teeth (9) are positioned at right angles to the longitudinal direction of the upper (2) and lower (3) jaws of the device (1) and are supported in a beam-shaped carrier (8) which has a greater width than the teeth (9). A recess in the upper jaw (2) which holds the teeth carrier (8) is designed as a trough (28) open at the bottom and has projections (27) which hold the teeth carrier (8) firmly in the jaw (2). The jaws (2,3) of the splitting device (1) are manufactured in polyamide (6), while the teeth carrier (8) is a 50% glass reinforced polyamide 66. USE/ADVANTAGE - Continuous slitting of plastic films. A simpler construction allows easier mfr. and handling. Tooth design ensures a slitting rather than a tearing action.
Patent DE-4033116-A1 (DE)
Title: Fire-resistant polymer materials for high-temp. applications - contain high- or low-pressure polyethylene@, polypropylene@ or polystyrene, with dried water-glass and/or dried lignin and/or zeolite
Inventor: TCHOPARINOV TCHAVDAR GEORGIEV
IPC: F27D21/00
Filed: 1990-10-18
Abstract: Polymer materials with high fire resistance (I), contain prim. or sec. thermoplastics and fillers for parts which are used at high temp., e.g. in metallurgical processes. (I) contain 60-97 wt.% high- or low-pressure polyethylene, polypropylene or polystyrene, or a mixt. contg. 0.1-75 wt.% of each component (II), and 3-40 wt.% dried water-glass (III) and/or 1-30 wt.% dried lignin and/or 5-30 wt.% temp.-activated zeolite. (I) are produced, e.g. in the form of tubes, by drying (III) at 100-210 deg.C, grinding to 0.3-1 mm particle size, mixing with polymer (II) and extruding at 90-200 deg C (i.e. at least 10-15 deg C below the drying temp. for III). USE/ADVANTAGE - (I) are useful, e.g. for the prodn. of protecting tubes for probes for the periodic measurement of temp. in steel prodn.. Fire resistant materials can be simply produced and do not required special conditions for storage. (0/0)
Patent DE-4033233-A1 (DE)
Title: Prodn. of microstructural body e.g. shaping tool - by forming intersecting recesses and/or grooves in machinable substrate surface using diamond tools
Inventor: BIER WILHELM DR
IPC: B01J19/00
Filed: 1990-10-19
Abstract: Prodn. of a microstructured body (esp. shaping tool) with burr-free microstructures involves forming intersecting grooves or intersecting grooves and recesses in a machineable (esp. metalalic) substrate using diamond tools. (a) after structuring (grooves (a) in a first machining direction (Y), the substrate (1) is coated with a fluid hardenable plastics; (b) after hardening of the plastics, structuring is carried out in a second machining direction (X); and (c) residual plastics is removed with a solvent. The plastics is suitably a rapid hardening adhesive, e.g. cyanacrylate, pref. having a machinability after hardening similar to that of the substrate. USE/ADVANTAGE - The process is useful for prodn. of microstructured masters for electroforming or plastics moulding. Provision of the plastics coating prevents burr formation at the edges of the microstructures.
Patent DE-4035472-A1 (DE)
Title: Switching unit for integrator in non=access enclosed metal encapsulated housing - provided for gas filled switchgear which consists of three switch poles
Inventor: REICHL ERWIN DIPL ING
IPC: H02B13/035
Filed: 1990-11-08
Abstract: The moving contacts of the switch (1) are moved by a drive provided outside the encapsulated housing, across an intermediate connection of a coupling part (16) penetrating the gas tight capsule. A bushing is fixed at the frame (6) guiding gas tight the coupling part, over which following the integration of the load switch, a gas tight connection with the capsule is produced, with the simultaneous stiffening of the same, by a suitable arrangement of the fixing points between the frame and capsule. The frame (6) contains a baseplate (7) secured by multiple screws with the capsule (11), with which a bearing body (5) guiding and sealing a coupling shaft (4) is connected not permitting detachment; which with the integration of the switching unit is pressed against the capsule (11) to produce a seal. USE/ADVANTAGE - Switching unit of known type, designed so that function true pretest of premounted switching unit and its coupling parts is possible. After pretest following integration, no clamping forces influencing magnetic flux between drive and switching poles can result.
Patent DE-4035988-A1 (DE)
Title: Recliner or seat with head part
Inventor: PLETZING KARL HEINZ
IPC: A47C17/16
Filed: 1990-11-12
Abstract: Recliner or seat with head part  has frame to which head is joined to carriage by fabric strip, with protuberance
Patent DE-4101218-A1 (DE)
Inventor: SCHULZ HANS RICHARD
IPC: E05B15/00
Filed: 1991-01-17
Abstract: Fitting part for doors or windows for receiving an operating member having an upper part and a lower part made of different materials. In order to make it possible to obtain an especially stable and compact design, the upper part (2) and the lower part (3) form a one-piece composite constructional part (1). <IMAGE>
Patent DE-4117957-A1 (DE)
Title: Wet-dry vacuum cleaner for floors - has wiper in form of wiper strips running over two pairs of rollers, with wetting nozzle
Inventor: KRALLMANN BERND
IPC: A47L11/30
Filed: 1991-05-31
Abstract: The wet-dry vacuum-cleaner for floors, has a wiper (1) with at least one wiper-element in the form of two adjacent, parallel, continuous strips (2) of carpet-type material with outward-pointing hairs or pile (26). The wiper passes over one section (19) in contact with the surface being cleaned, and along another section near wetting and suction elements (3, 5). The strips run over pairs of rollers (10-13) at a speed regulated by a control (23). Each strip has a wetting-nozzle (6). The suction head (3) has an opening (4) extending the width of the wiper-element(s). The degree of wetness is regulated by a control (24). ADVANTAGE - The floor, for an average household, is more economically cleaned by the strips of the wiper absorbing the dirt which is then wetted and then vacuumed off.
Patent DE-4118258-A1 (DE)
Title: Welder for plastic frame corners - has grips e.g. to pneumatically engage two frame members at same time and press them against heater blade, then together
Inventor: STUERTZ KARL-HEINZ
IPC: B29C65/20
Filed: 1991-06-04
Abstract: Welding appts., for joining two mitred plastic sections, particularly at a right angle, e.g. in the prodn. of window or door frames, has two grips to hold the sections together. One grip is moved in a guide at right angles to the other, and has a heating blade which can be moved in between the two mitred surfaces. The second grip also has a guide to move at right angles to the first, and at least one has a drive system which synchronises the movements of the two grips. The two plastic sections (1, 2) are pref. held by the grips (3,4) at 90 deg.. The grips have a flat plate (5) and one fixed stop bar (6), and also a grip jaw (8) moved by a suitable drive. A system of e.g. compressed air cylinders moves the grips in the directions (9), so that both (3, 4) move at the same time. ADVANTAGE - The set-up does not cause the joint area to become displaced in the direction of the mitres faces.
Patent DE-4119563-A1 (DE)
Inventor: JUERGENSEN HEINRICH
IPC: H04N1/04
Filed: 1991-06-14
Abstract: The device proposed is used for the electro-optical point- and line-scanning of half-tone and line originals. It is not only a half-tone original scanning system (3) but also a line original scanning system (4). Both the half-tone original scanning system and the line original scanning system are designed as multichannel devices. In order to be able to switch in at will either the half-tone original scanning system or the line original scanning system, the device is fitted with a switchover unit (5).
Patent DE-4126893-A1 (DE)
Title: Permanent magnetic material based on samarium, iron@ and nitrogen - formed by nitriding alloy of the 2 metals in suitable ambient at high temp. to greatly increase energy prod. and raise the Curie-temp.
Inventor: KATTER MATTHIAS
IPC: H01F1/059
Filed: 1991-08-14
Abstract: The magnetic material is based on the system Sm-Fe-N and forms a hard magnetic, crystalline phase in which the N-atoms are embedded without changing the lattice structure. The structure is as stabilised, non-equilibrium structure similar to that of TbCu. The compsn. is given by RExTM100-xNy in which RE is Sm which can be replaced by up to 70% of at least one other Rare Earth element, pref. Nd, TM is Fe which can be replaced up to 50% by Co and/or Ni and x varies between 7 and 12 at.%, pref. 9-11 at.%. A prod. with the compsn. RExTM100-x is prepd. by melting an alloy of the required compsn. at a temp. of at least 1200 deg.C, pref. at least 1300 and max. 1500 deg.C. This is fast quenched with a cooling rate of at least 500 deg.C/sec., pref. at least 800 deg.C/sec., pref. by melt spinning on a substrate moving at a speed of 10-60, pref. 20-50 m/sec. Also claimed is the prepn. of the starting material by heating of the relevant alloy to a temp. under its m.pt., pref. 10-280 deg.C below its m.pt., followed by fast quenching at 500 deg.C./sec. This prod. is then nitrided at a temp. of 300-600, pref. 350-550, esp. 450-500 deg.C for 1-1000 hrs., pref. 4-300 hrs. This process can also consist of 2 stages with different temps. in which the first temp., pref. 300-400 deg.C, is at least 500 deg.C lower than the second. USE/ADVANTAGE - The material is a hexagonally crystallised, permanent magnetic with a very high coercive field-strength (Hc) in which the direction of easy magnetisation is parallel to the c-axis. The material is easy to produce using standard techniques. The addition of N increases the energy prod. and Curie-temp. significantly.
Patent DE-4131068-A1 (DE)
Title: Travelling turning 6 ear for round parts, for surface treatment - has two parallel, synchronous carrying chains, with carrier studs, and workpiece holders
IPC: B65G37/00
Filed: 1991-09-18
Abstract: The travelling turning gear is for all-round surface treatment or processing, of round or other parts. It has two parallel synchronous hollow stud chains, which slide in guides, and act as carrying/transport chains. The hollow studs (5) contain carrier studs (6). Shaft bearings (7) are fixed to the free ends of the carrier studs, with shafts (8), having workpiece holders (9) at one end, and chain pulleys (10), etc at the other end. These carry guided, driven chain (11), etc, to turn the shafts. The drive is regulatable, intermittent, continuous, by a drive pulley (14) on a vertical shaft. The workpiece holders consist of plates, with fasteners. ADVANTAGE - Even surface treatment, improved machine.
Patent DE-4133393-A1 (DE)
Title: Stereo bass width regulation circuit - uses transformer and variable resistance preventing coupling between stereo end amplifiers
Inventor: GUNTHER STEFAN
IPC: H04S1/00
Filed: 1991-10-09
Abstract: The bass width regulation circuit is inserted in stereo end stages and the left and right loudspeakers (L, R) and uses one or more short-circuited transformers (Tr1) inserted in both signal paths. Pref. the transformer has 2 symmetrical windings (L1, L2) connected in series with the left and right loudspeakers, with a third transformer winding (L3) bridged by a high variable resistance (R1) used for setting the required stereo width. USE/ADVANTAGE - For use with guitar or electronic keyboard, or for car stereo system. Relatively simple circuit. Functions independently of output amplifier reference potential.
Patent DE-4136772-A1 (DE)
Title: Hood assembly for wheelchair - is extended or retracted by linkage mechanism which can be operated by chair occupant
Inventor: SCHWARZ EGON
IPC: A61G5/10
Filed: 1991-11-08
Abstract: The wheelchair is fitted with a hood which can be extended or retracted by the occupant of the wheelchair. The hood is supported on a system of interconnected pivoted links. The two links (c1, d1) are connected to each other at their lower ends by a pivot (p2) which is fitted with a handle. By pushing the handle upwards the links (c1, d1) swing away from each other and the link (d) is pushed along the slot in the link (c). The movement of the link (d) swings the link (b) outwards and extends the hood. Pushing the handle downwards causes the hood to be folded up and pressed against the chair backrest. USE/ADVANTAGE- Hood for a wheelchair can be extended or retracted by the chair occupant.
Patent DE-4203393-A1 (DE)
Title: Disposing of comminuted plastics by fixed bed gasification - for e.g. phenol-formaldehyde condensates
IPC: C10L5/14
Filed: 1992-02-06
Abstract: Disposal of plastics esp. phenolformaldehyde condensates with 40-60 wt.% cotton comminuted in a known way is claimed in patent DE4037490. In this patent of addn. the novelty is that known reactors are used in fixed bed gasification. USE/ADVANTAGE - Plastics such as those used as chassis building components in cars are disposed of in an environmentally friendly way. In an example, crude coal was comminuted to a grain size of 1/0 mm. The overflow was 0.4 wt.%. The coal was dried to a water-content of 12 wt.%. During evapn. this was reduced to 11 wt.%. 3 Wt.% phenolformaldehyde condensate plastic contg. 40-60 wt.% cotton was mixed with the dried coal and pressed to form briquettes. These were gasified using fixed bed gasifiers.
Patent DE-4204579-A1 (DE)
Title: Hand held pressing tool for cable clamp connector halves - has motor driven spindle drive in tool handle to carry out pressing and return actions of press
Inventor: FREMGEN DIETER
IPC: H01R43/01
Filed: 1992-02-15
Abstract: The hand-held pressing tool (1) has a holder for at least one part of the connector. It also has a device for holding the corresponding counter-element of the connector and a movable anvil (6) for pressing the elements together. A spindle drive driven by a motor (13) is provided in the handle of the tool (1) for carrying out the pressing stroke and the return stroke of the anvil (6). ADVANTAGE - Reduces power required from user to close clamp and simplifies operation.
Patent DE-4206162-A1 (DE)
Title: Remote actuator for electric switch - has springs of resilient alloy exhibiting branching effect after being heated directly or indirectly through electric current
Inventor: BERTHOLD RAINER DIPL PHYS
IPC: H01H71/66
Filed: 1992-02-28
Abstract: A remote actuator for a switch, esp. for a miniature or personal circuit breaker, has springs (1) made of resilient alloys (FLG) which have a branching effect. The springs (1) have a current contact and/or a heating element and are directly or indirectly heated. The spring (1) has two parallel legs (2,2'). On heating, the legs (2,2') move apart about a given angle, and convert a rotary movement into a return force. When the spring (1) cools down, it returns to its normal position. ADVANTAGE - Simple, inexpensive device which can be inserted in small switch without requiring much additional space.
Patent DE-4208549-A1 (DE)
Title: Keg-cleaning or filling station - has vertical bars spaced apart on keg-lifting support and working in guides
Inventor: MONZEL ALOIS
IPC: B08B9/08
Filed: 1992-03-17
Abstract: The keg-processing station has a keg-fitting (3) with first opening connected to a standpipe and second one connected to the interior of the keg (2), both openings being automatically shut. A processing head (28) contains passages for gas and liquid, and a keg-supported (29) working in vertical guides lowers the keg with its fitting at the bottom onto the head to form a sealed joint. The support has vertical bars (32) spaced apart and working in guides (33), which can be situated above or below the support surface, and the bar length can be greater than the keg height. Lifting can be by a ram acting on a cross-member fixed between the bars and situated between the latter. The support surface (30) can be formed by a plate on two fork prongs. USE/ADVANTAGE - Improved guidance of keg and consequent reduced wear on processing-head seal.