baber/WOPTO huggingface dataset:
Patent DE-3929259-A1 (DE)
Title: Garden refuse shredder with knives and hopper - has roller and sprung pressure plate feeder powered off knife shaft for synchronised positive feed
Inventor: DELL DIETER DIPL ING
IPC: B02C18/22
Filed: 1989-09-02
Abstract: Shredder consists or a power rotated knife and back knife in a housing supplied via an opening in the housing from a hopper. A feeder arranged between the opening and hopper should consist of a roller (21) located in the feeder housing (19) plus a pressure plate (28) which is sprung onto the roller and swivels parallel to the feeder roller axis (27) and has a curved supporting surface where it faces the roller (21). Pref. the roller is driven off the knife drive (13) through stepdown gearing (16, 23) connected to the knife shaft (15), the gearing composed of a worm (22) allocated to the shaft. The plate (28) can be moved away from the roller by a hand or foot operated device (34) to include a linkage and/or Bowden cable. USE/ADVANTAGE - Garden refuse, twigs and branches etc. Sprung pressure plate works with feeder roller to feed all sizes of material positively to knives.
Patent DE-3934654-A1 (DE)
Title: Break testing of continuous carrier belt - using carrier strands in non-conducting strap interconnected to form continuous conducting body
Inventor: SUHLING PETER ING GRAD
IPC: G01M13/02
Filed: 1989-10-14
Abstract: A continuous carrier belt (5) consists of parallel electrically conducting strands (12-12h) which take up strain forces and are enclosed by a non-conducting strap (11). At least one of the carrier strands is so formed w.r.t. the strap at the ends of the belt as to form an electrically conducting connection point. The strands are electrically connected together in pairs at both ends of the belt so that they are connected in series to form a single electrical conductor. USE/ADVANTAGE - Conveyors and lifting machines. Belt is modified to enable continuous breakage monitoring during operation.
Patent DE-3937371-A1 (DE)
Inventor: ZWALMEN MARK VAN DER
IPC: F16L9/22
Filed: 1989-11-09
Abstract: A duct 1 has longitudinal ribs 3 for snapping on complementary edges 4 of covers 5, wherein the upright walls of the portions 2 are also provided with continuous longitudinal recesses 6 for the insertion therein of complementary snap-on edges 7 of fastening elements 8. The portions 2, units 5 and elements 8 can be made by a pultrusion of fiber-reinforced plastics. Ribs 10 may be provided for receiving fastening elements 14, partition walls 13, 20 or a false bottom 19 to form an insulating cavity. Methods of making a joint at an obtuse angle with the ducts are shown (Figs 3 & 4). <IMAGE>
Patent DE-3938932-A1 (DE)
Title: Baseboard with anti-vibration mounting for electrical equipment - has vibration-generating unit secured to auxiliary board from which no movement is transmitted to electronic components
Inventor: SHIMATANI SHIGERU
IPC: H05K7/12
Filed: 1989-11-24
Abstract: Signal-processing components of the electronic circuit are mounted on a main board (10) for segragation from a vibration source (21) which is bolted to an  auxiliary board (20) having its own isolation feet (22).  The main board (10) is an A1 casting with a central rectangular aperture (12) for the power transformer (21) and a relatively massive heat sink (13) for the power supply circuit board (14) installed on edge and away from the amplifying circuit board (15). The two castings (10,20) are screwed (24) together with helical springs (23) to protect the circuit boards (14,15) against vibrations originating in the transformer (21). USE/ADVANTAGE - For audio and video amplification equipment including power transformer. Sound and picture quality are safeguarded by prevention of transmission of vibrations from the transformer to electronic circuit elements.
Patent DE-3940998-A1 (DE)
Title: Video recorder and television receiver combination - has HF cable providing FBAS and tone channel below colour channel
Inventor: SEEGERT BERNHARD DIPL ING
IPC: H04N5/775
Filed: 1989-12-12
Abstract: The video recorder and television receiver combination has a HF cable (5) between the antenna output (4) of the video recorder (3) and the antenna input (6) of the television receiver (7), with an auxiliary channel between the recorder (3) and television receiver (7) for the FBAS and tone signals.  The auxiliary channel is also provided by the HF cable (5) using the 0-40MHg frequency range, below the television channel. Pref. the FBAS signal is transmitted as a base band signal using a carrier without modulation, the tone signal transmitted via an FM tone carrier. ADVANTAGE - Eliminates need for SCART cable.
Patent DE-4000333-A1 (DE)
Title: Attaching balcony to building - involves leaving gap between balcony and building to serve as drain
Inventor: SPRINGMANN GUENTER
IPC: E04B1/00
Filed: 1990-01-08
Abstract: The balcony (1) is fixed to the wall (2) of a building so that a gap (3) is formed between the edge of the balcony floor and the wall (2). The balcony is attached by anchor bolts (5) which pass through vibration absorbers (4) fitted between the balcony side walls and the building walls. The gap (3) provides a means of draining the balcony floor and at the same time provides a means of thermal insulation between the balcony floor and the wall of the building. USE - Fixing balconies to building with air gap for drainage and insulation.
Patent DE-4010952-A1 (DE)
Inventor: ALTHAUS PAUL-GERHARD DR
IPC: G01N29/00
Filed: 1990-04-05
Abstract: In the process described for the ultrasonic testing of welds between plastics packaging (22, 23) and cover foils, the weld is periodically exposed to pulses of ultrasonic radiation, the pulses passing through the weld are picked up and their amplitude is evaluated. The cross-section of the ultrasonic beam is so small that the radiation only passes through the weld itself. The plastics packaging (22, 23) and ultrasonic tester are moved relative to each other in order to examine the whole length of the weld. The pulse rate is such that the weld areas covered by successive pulses alternately overlap.
Patent DE-4013918-A1 (DE)
Title: Wrapper for confectionary - has sealed edges with tab to tear open sealing seam
Inventor: SCHISCHKO JUERGEN DIETER DIPL
IPC: B65D65/32
Filed: 1990-04-30
Abstract: Confectionery in the form of blocks, bars, or tablets is wrapped in a long continuous wrapping. It has a sealed seam formed along each long edge (5) and these are saled transverse seams (2) formed between the individual pieces of confectionery. A small area (11) either on the longitudinal seam (5) or the transverse seam (4) is left unsealed. This unsealed area (11) is covered by a tab (8) which is cut away around its outer edge so that it can be folded upwards and used to tear open the sealed seam and so provide easy access to the confectionery. USE - Wrapping of confectionery.
Patent DE-4017301-A1 (DE)
Title: Electric propulsion drive for floating air-bed mattress - has battery-operated electric motor rotating paddle wheels on opposite sides of mattress
IPC: B63H21/12
Filed: 1990-05-30
Abstract: The propulsion drive for an aided mattress comprises an electric motor (1) driven via a battery (2) and rotating a pair of paddle wheels on either side of the airbed mattress.  The battery (2) can be recharged via a solar cell, or from the mains.  A potentiometer (3) between the battery and the electric motor is used to vary the rotation rotor of the latter. Pref. the mattress is attached to thee drive unit via two rods or cables, the drive unit pref. provided with a pair of attached handles. ADVANTAGE - Allows propulsion of airbed mattress which may have been blown by the wind or carried away by currents.
Patent DE-4023736-A1 (DE)
Title: Wire mesh covers for roof guttering - are attached to outer edge of guttering by hinges to enable them to be swung open
Inventor: BUECKER MARKUS
IPC: E04D13/076
Filed: 1990-07-26
Abstract: The rain-water gutter (1) of a roof is provided with a wire mesh cover (2) which prevents leaves collecting in the gutter and obstructing the flow of water. This cover (2) is made in sections (22, 23) with each section being attached to the outer edge of the gutter (1) by hinges (3). - These hinges (3) enable the cover to be swung open through an angle of at least 90 deg. to facilitate the cleaning of the gutter. Each section of the cover is provided with an eye (6) attached to a bracket (5) to enable the cover to be swung open by the use of a suitable tool.
Patent DE-4025435-A1 (DE)
Title: Piezoelectric flexural transducer with graphite fibre layer - comprising fabric impregnated with epoxide] resin, bonded between piezoceramic layers
Inventor: STEIN CHRISTIAN DIPL ING
IPC: H01L41/09
Filed: 1990-08-10
Abstract: Piezoelectric flexural transducer (1) has a graphite fibre (I) layer (2) bonded with an epoxide resin (II) (8) between 2 piezoceramic (III) layers (10,12) having electrodes (14,16) on both sides. The novelty is that the (I) layer comprises fabric impregnated with (II) and its length is at least 3 times its width. Pref (III) layers have a positive temp coefft of the piezo-constant, which is at least 0.35, (0.4-0.7)%/K in the -20 deg C to +60 deg C range. They are PZT (Pb zirconate-titanate) layers. The (I) layer is longer than the 2 (III) layers and has electric terminal, pref bonded Cu foil (18) or a hollow rivet, in the exposed area. A clip (24) on one side connects the 2 outer electrodes (14a, 16a) electrically. Transducer is produced by placing (I) fabric, impregnated with partly cured (II), between 2 polarised (III) layers and bonding by curing (II), pref at elevated temp, (ca 130 deg C). USE/ADVANTAGE - Useful eg in video appts for VTR head position adjustment, valves or blind writing/reading modules. It is more stable than the usual brittle transducers using (I).
Patent DE-4027980-A1 (DE)
Inventor: HEYWANG ULRICH DIPL CHEM DR
IPC: A61K31/125
Filed: 1990-09-04
Abstract: The invention relates to dialkoxybenzylidene-camphor derivatives of the formula I   <IMAGE> I  in which R1 and R2, in each case independently of one another, are a straight-chain or branched alkyl radical having 1 to 10 c atoms, and X is H or SO3H, and to a process for their preparation and their use in cosmetic and pharmaceutical preparations.
Patent DE-4028823-A1 (DE)
Title: Glass bottle mouth shaping - has finger for each glass tube on carousel for insertion into softened tube end
Inventor: MAENNL REINHARD
IPC: C03B23/11
Filed: 1990-09-11
Abstract: To shape the mouth opening for bottles, where glass tubes are held in carousel to be formed into the bottles, a shaping finger is at each glass tube where the ends have been softened by heat. Shaping fingers are part of the carousel, and move with it. - Each shaping finger is pref. inserted into the softened end of the glass tube in a two-dimensional movement line, in a rolling insertion action while the outside of the glass is heated at the mouth end. - Each shaping finger (11), for each glass tube (5), is pref. on two slides (7,10) on the carousel (2), to move the finger radially and longitudinally along the axis (LA) of the glass tube (5) so that, in the final position, the finger (11) is at the level of the shaping roller (29).
Patent DE-4030408-A1 (DE)
Inventor: CZYPERRECK HANS
IPC: H01R13/415
Filed: 1990-09-26
Abstract: Described is a contact pin with ceramic insulation, one end of the pin having a tab designed to fit into a pole shoe and the other end having a shoulder which fits into a matching shoulder in the shallow channel leading through the ceramic insulation. The first shoulder is followed by a second shoulder which projects out slightly from the channel and includes a constriction.
Patent DE-4030953-A1 (DE)
Title: Automatic drinking glasses filling appts. - has position control for filling tap and movable feed for glasses
Inventor: CHRISTL ANTON
IPC: B67D1/14
Filed: 1990-09-29
Abstract: The filling tap (7) is mounted on a movable support to reach into the glass and to rise with the filling level. The rate of filling, and the spacing over the liquid, can be adjusted to generate the required amount of head. The movable support can move with the glasses on a moving conveyor (23), to the collection point. The filling head moves in several selected axes, controlled by a processor. The glasses locate in recesses (3) on the conveyor and the filled glasses are pushed onto a collection tray. With an array of filling taps a number of glasses can be filled at the same time. The filling mode is programmable to suit different drinks and glasses. USE/ADVANTAGE - E.g. for beer. Optimum drink quality.
Patent DE-4031980-A1 (DE)
Title: Cabbage trimmer with head centring system - for continuous rapid stalk removal
Inventor: KOOLWIJK JAN VAN DIPL ING
IPC: A23N15/00
Filed: 1990-10-09
Abstract: A cabbage trimmer has an inlet chute with a guide system for centring the cabbage heads. Pref. two rapid conveyor belts, spaced apart by a gap slightly greater than the size of a milling cutter are located at the end of the chute. ADVANTAGE - The trimmer removes stalks from cabbage heads of 150-300 mm or even up to 360mm. dia. continuously and rapidly.
Patent DE-4040620-A1 (DE)
Title: Hypodermic syringe for axially inserted catheter - has ratchet preventing return movement of retracted hollow plunger
Inventor: DIMITROV PENTCHO DR
IPC: A61M25/01
Filed: 1990-12-19
Abstract: A guide probe (9) or catheter for insertion into a patient's blood vessel to withdraw blood passes from the base of a hypodermic syringe through a central bore (10,11) in the shaft (4) and the plunger (3) formed integrally with the shaft and with parallel sealing ribs (7) engaging the syringe wall. At its lower end the inspected catheter etc. is sealingly engaged by a retaining resilient block (14) housed in a recess in a downward directed insetion element (13) engaging a screw cap (18) and itself terminating in a thin flexible plastic hose (20). To prevent a retracted plunger reversing its movement, the outside of the casing for the cylinder portion (2) has a series of ratchet-like projections (24). The plunger is prevented from moving by rotating the hollow shaft (4) relative to the cylinder. ADVANTAGE - Venous catheritisation is simple and reliable.
Patent DE-4041671-A1 (DE)
Title: Heat exchanger unit - has tube ends widened, extending over tube floor, with sealing mat between water tank and tube floor
Inventor: GHIANI FRANCO
IPC: F28F9/16
Filed: 1990-12-22
Abstract: Between the tube floor (4) and the water tank (5) is inserted a sealign mat (9) which also encompasses the pipe ends (2a) extending through the tube floor. The water tank is pressed against the sealing mat, and retained on the tube floor by a draw bolt union (11). This union is arranged in the middle of the water tank, and can be a rivet engaging between the rows of tubes on the tube floor, or an insert pin connection. The water tank (5) has a closed floor (5a) with openings for the tube ends (2a), and the sealing mat (9) encompasses edges (8) of the tank openings facing the tube floor. USE - As an automotive heat exchanger.
Patent DE-4103593-A1 (DE)
Title: Pressure ratio regulator e.g. for rocket combustion space - has grating sealed against environmental vacuum for storage of laser-emitted energy in thrust nozzle passage
Inventor: STARGARD SIEGFRIED
IPC: F02K9/80
Filed: 1991-02-04
Abstract: Two lasers (1, 3) and a grating (2) are arranged in a plane sepg. a region (17) of high pressure from a vacuum space (20) in the thrust nozzle (19). One laser (1) has a ruby crystal pumped by a surrounding helical flash tube. On the opposite side the other laser (3) acts as an acceptance source for the energy given out by the grating (2) as it is opened and closed by pulses. USE/ADVANTAGE - Also in chemically reactive flow processes and flues, loss of power through vacuum is avoided, and pulsatile outflow of working gases is unimpeded.
Patent DE-4104099-A1 (DE)
Title: Digital electronic circuit for arithmetic division of numbers in 54321 decimal code - uses counter and register based circuit for generation of output in 5211 form
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1991-02-11
Abstract: A digital electronic arithmetic circuit for carrying out division on two 54321 decimally coded numbers has input from a decimal keyboard via encoding circuits and a 9's component stage. The coded number is divided and the quotient is initially generated in 54321 code. A conversion of the quotient into a 5211 code is produced by a control circuit with a pair of counters and a special shift register circuit (14) based on two shift registers (61, 62). The cutter are controlled by the counter circuits. ADVANTAGE - Controls generation of output in 5211 code.
Patent DE-4108379-A1 (DE)
Title: Frame style printer cabinet - has telescopic print drawer and telescopic paper reserve and deposit drawers
Inventor: ZACHRAI JUERGEN
IPC: B41J29/06
Filed: 1991-03-15
Abstract: A printer cabinet with horizontal and vertical frame members has the printer on a pull-out carrier board (11) and . telescopic paper reserve (20') and paper deposit (20) drawers.  The carrier board (11) and reserve (20') and deposit (20) drawers are connected to the printer drawer (10) which is pulled out along telescopic rails (42) of a two part track (40) with fixed rails (41) connected to the vertical frame members (51,53 and 52,54). The paper drawers (20',20) are mounted between two side  plates (30) fastened to opposite edges of the bottom of the carrier (11), which is connected to the telescopic rails (42) by hooking pins (43) on the rails (42) into slits (13) in the carrier (11). ADVANTAGE - Operation simplified by paper route. Can be adapted to fit in space available.
Patent DE-4111338-A1 (DE)
Title: Membrane pressure switch for pneumatic vehicle central locking - uses movable contact spring attached to switch operating rod acted on by pressure membrane
Inventor: SZABLEWSKI PIOTR
IPC: H01H35/34
Filed: 1991-04-08
Abstract: The pressure switch can be mounted directly on a printed circuit board. The membrane (1) is clamped around its peripheral edge between the upper and lower halves (2, 3) of the switch housing and has an annular flexure zone (4) and a stiff central zone (5) acting on an operating rod (6). The bottom housing half (2) defines the press space (8) together with the membrane (1), the upper housing half (3) providing a guide sleeve (9) for the movement of the operating rod, with a base plate (11) attached to the upper housing half (3) supporting a pair of fixed switch contacts (12, 13) and is a new contact pin (14) fitting into the printed circuit board (16). A slitted contact spring (17) extends between the base plate (11) and the operating rod (6) for cooperating with the fixed contacts (12, 13). ADVANTAGE - Suitable for mass prodn.
Patent DE-4115602-A1 (DE)
Title: Front for extractor equipment with central feeders - has auxiliary air ventilation feeding air through frame channel which is diverted to upper part of hatchway
Inventor: HILBERS HEINRICH DIPL ING
IPC: B08B15/02
Filed: 1991-04-23
Abstract: A front for extractor equipment with central feeders whereby the processes influenced by air currents are concentrated not only on all the components of the equipment but also on the easily exchange elements. The front functional side with ready fixed equipment can be easily mechanically changed. In this way suction equipment with poor potential and high propellant air requirement can be redesigned with high retentive power and minimum propellant. For this purpose auxiliary air through the ventilator or through mechanical ventilation is provided. USE/ADVANTAGE - Has the merit of saving energy with improved retentive power.
Patent DE-4120779-A1 (DE)
Inventor: MORI CHUZO
IPC: B26D7/18
Filed: 1991-06-24
Abstract: There is disclosed a shredder equipped with a feed roller which prevents shreds from being wound around it in the gaps 15 between successive rotors 13. The wall thickness of each roller 13 decreases from its center toward the outer periphery. Each rotor 13 has inclined surfaces 14 on both sides. When a shred enters any one of the gaps 15, the rotation of the rotors 13 is combined with the force acting on the shred in such a direction as to remove it. Thus, the shred is moved outwardly along the inclined surfaces 14 through the gap 15 and removed from the gap. <IMAGE>
Patent DE-4134282-A1 (DE)
Title: Dirt removal system for induction air cooling appts. - uses temp. reduction for deposition of ice layer subsequently defrosted to rinse dirt off cooling fins
Inventor: TISCHENDORF JOACHIM
IPC: F24F11/06
Filed: 1991-10-17
Abstract: The dirt removal system allows the water temp. of the cooling water to be dropped periodically before freezing point, so that ice is formed on the cooling fins. The deposited dirt is removed from the fins as the ice defrosts. Pref. the temp. is dropped to a temp. of -10 degrees at the end of the day, so that an ice layer is formed on each fin. A magnetic valve is subsequently operated to allow hot water to be passed across the fins for rinsing the ice from them and drying their surfaces. Pref. the dust level in the room housing the cooling appts. is detected via a sensor to initiate the dirt removal. USE/ADVANTAGE - For air conditioning cooling system. Prevents clogging of air cooling appts. by deposited dirt.
Patent DE-4142959-A1 (DE)
Title: Probe for particle sensor
Inventor: KEESMANN TILL
IPC: G01N27/62
Filed: 1991-12-24
Abstract: Probe (I) has an active surface (117) made of an electrically conducting non-metal.     Also claimed is a particle sensor having a probe (21) arranged in the exhaust gas pipe cylinder of a multi-cylindrical ic engine.
Patent DE-4143218-A1 (DE)
Title: Device for connecting screwdriver bits with drive source - consists of two-part socket linked by torque coupling
Inventor: HOLLAND-LETZ HORST DIPL ING
IPC: B25B21/00
Filed: 1991-12-30
Abstract: A device for connecting screwdriver bits with a drive consists of a two part socket for the bits (1) and a drive connector (2). A torque coupling couples the two parts (1, 2) and permits relative rotary movement against a flexible damper action. The coupling can be a leaf spring or a torsion bar or two parallel flexible bars. Between the two parts (1, 2) of the socket is a device for converting relative rotary movements into longitudinal movement. USE/ADVANTAGE - Peak loading is absorbed and dampened without special inserts.
Patent DE-4203021-A1 (DE)
Title: Decentral audio and video facsimile generation procedure - transmitting reproducible contributions via radio or TV network outside normal transmission time
Inventor: TOMIC-KOEHLER HEINRICH
IPC: H04N7/16
Filed: 1992-02-03
Abstract: The decentral and time independent generation of audio or video facsimiles are intended for groups of interested subscribers. The contributions to be reproduced are transmitted via radio or TV broadcasting outside the normal transmission time by agreed group characteristic signals accompanying programmes. Only the video recorder stations of the authorised subscriber group receive automatically the transition at the same time. Pref. the allocation of the group characteristic signals, e.g. similarity with time announcement, causes the programme, transmitted within normal transmit time period, to be received by each suitable video recorder automatically. USE/ADVANTAGE - For education system using satellite transmission, with time programmed transmissions available at any time from copies.
Patent DE-4204210-A1 (DE)
Title: Tissue etc., extraction instrument from stomach cavity
Inventor: SCARFI ANDREA DR
IPC: A61B17/00
Filed: 1992-02-13
Abstract: The instrument extracts material from the stomach cavity during endoscopic surgery. It incorporates a bag (1) of tear-resistant elastic material with an oblong extension (3b), by which it is pulled out from the cavity. The extension is preferably in the form of a bar, lug, or tube, and the bag mouth can be inclined to it.     The bag can taper as a cone towards the bottom, and threre can e a draw string running inside its top edge of sufficient stiffness to hold it open, the string also extending upwards through the tubular extension.