baber/WOPTO huggingface dataset:
Patent DE-2534578-A1 (DE)
Title: Variable input output drawer size operating mechanism - is for automatic machines and accommodates different sized documents and objects
Inventor: FELL WOLFGANG DR
IPC: G06K13/08
Filed: 1975-08-02
Abstract: A mechanism for automatically altering the geometry of a single drawer is used in an automatic dispensing machine, so that different objects may be accommodated in the same input mechanism. The mechanism is suitable for flat documents. A document or card (8) is inserted into the front of the machine, and is guided between an upper (2) and lower guide carrying two transducers which detect the positions of the edges of the cards. A U-shaped horizontal guide is then driven by an arrangement of electromagnets operating on a spring loaded belt (11) and bar until the width of the drawer is suited to the object in it. A spring loaded (28) vertically moving plate (27) ensures that the height is also correct.
Patent DE-2538879-A1 (DE)
Title: Cast concrete floor expansion joint edge protection - with flat battens along soft fibre strip and with punched anchoring flaps
Inventor: DOLL HEINRICH
IPC: E04F15/14
Filed: 1975-09-02
Abstract: The expansion-joint edge protection is for application between adjacent fields in cast concrete floors, as in large industrial workshops. It comprises a strip-shaped soft fibre panel, for filling to just below the top edge, and other strip-shaped anchorable shaped pieces of metal for letting in to the top edge areas. Flat shaped-section battens (a) are set parallel and connected to the top end of the flat sides of the soft fibre panel strip (7), on both sides and across its whole length. These have anchoring flaps (15) punched out of their lower parts at intervals, and then bent back sideways. Blind shear-off rivets (13) may be used as fixtures for the flat shaped battens.
Patent DE-2542048-A1 (DE)
Title: Ammonium sulphate addn. to polyol in polyurethane foam prodn. - using finely divided sulphate, remaining self-extinguishing for longer period
Inventor: PRIGNITZ HERBERT
IPC: C08J9/00
Filed: 1975-09-20
Abstract: Very finely divided (NH4)2SO4 is added during the prepn. of polyurethane foams, esp. as plates for heat- and/or sound-insulation. The foam remains self-extinguishing for a longer period. The additive is cheap. E.g. in the prodn. of the polyurethane, 80-40 wt.% of (NH4)2SO4 is added to the polyol reactant.
Patent DE-2544758-A1 (DE)
Title: Thermal timing relay with bimetal actuated switch - has heat conductive support carrying heating element
Inventor: EBERTH HELMUT
IPC: H01H43/30
Filed: 1975-10-07
Abstract: The expansion element of the thermal time relay has a heating element for the switch (6) actuation on the expansion element movement. The switch is in thermal contact with a heat conductive support (1) which carries the heating element (2). Preferably the expansion element is connected in a threaded union (7) on the support. The support may be of strip shape whose one end (5) carries the switch, while the middle section mounts the heating element, which may be slidable in relation to the switch. certain parts of the support may be narrowed down.
Patent DE-2550795-A1 (DE)
Title: Digital data transmission system - uses octet of vectors whose components are in: phase and quadrature signal components
Inventor: MOTLEY DAVID M
IPC: H04L27/34
Filed: 1975-11-10
Abstract: In the 8-vector digital date transmission system a signal generator responds to each data symbol in the series transmitted between data processors and produce a digital signal with in-phase and quadrature components. Each in-phase component together with the corresponding quadrature component defines one of the 8 vectors. Vectors in the first group of 4 vectors have second components greater than the first. Vectors in a third group of two vectors each have magnitudes less than the second component.
Patent DE-2551821-A1 (DE)
Title: Console shelving for single or double sided loading - has supports fitting through slot in uprights and secured by screws
Inventor: JUERGENS WALTER DR ING
IPC: A47B57/34
Filed: 1975-11-19
Abstract: The console shelving comprises support brackets (2, 5) which rest on support elements (3, 6) supported by the two side arms (4) of the upright (1) which are provided on either side with holes (7) through which the support elements can be pushed. The support brackets are then secured by screws. These support brackets can be added to one or both sides of the supporting upright (1). The shelves have vertical walls along their rear edges to shield the centre gap or can be extended to contact the adjacent shelf to make a single surface.
Patent DE-2555874-A1 (DE)
Title: Aq dispersions of acrylic polymers prepn - by step-wise emulsion polymn using pre-emulsion of surfactant and monomers
Inventor: DARGAN DOUGLAS STUART WILLIAM
IPC: C08F220/00
Filed: 1975-12-11
Abstract: The parent patent disclosed an emulsion polymerisation process for preparing an aq. dispersion of an acrylic polymer. In the present patent, and aq. pre-emulsion is formed of a surface-active cpd. and >=1 acrylic monomer together with a copolymerisable non-acrylic monomer. Part of pre-emulsion is polymerised in the presence of an initiator consisting of an oxidising agent and a reducing agent. During polymerisation of this part of pre-emulsion, reducing agent is present in stoichiometric excess w.r.t. oxidising agent. Bal. of pre-emulsion is then added to the polymerised part and polymerisation is completed with further oxidising agent. Quantity of water added to form pre-emulsion is >90 wt. % w.r.t. total wt. of water in final dispersion of polymer. An example describes prepn. of a dispersion which forms a film with pressure-sensitive adhesive properties. Process allows formation of a usable polymer dispersion contg. 55-65 wt. % solids.
Patent DE-2605632-A1 (DE)
Title: Ammonium nitrate explosive powder - which is water resistant and can be detonated at low temps.
Inventor: PRELLER HARTMUT DIPL CHEM
IPC: C06B33/04
Filed: 1976-02-12
Abstract: Ammonium nitrate explosive powder contg. metallic and organic fuels, which is ignition-sensitive, water-resistant, and can be packed into cartridges, but is free from individual explosive constituents. The compsn. comprises 75-90% NH4NO3 with >=50% particles below 100 mu m; 7-10% technical dinitro-toluene, 1.5-10% Al powder as used in lacquer, with 99% of which is 160 mu m particle size and a water-dissemination of 6000-33,000cm2/g.; 0-8.5% Al foil grit of size 500 mu m; 0.8-1.5% coal dust of size 150 mu m; and 1-3% guar flour. The explosive pref. has O2 balance -8 to +1% and can pref. be detonated at temps. down to -20 degrees C by a 12g. nitro-penta cord without incasement. The cartridge density is pref. 1.05-1.12g/cm2. The explosive can be used e.g. in drilled holes guiding water. It is free from alkali(ne earth) nitrates and stearates, but can still be detonated at low temp.
Patent DE-2611440-A1 (DE)
Title: Battery powered circuit for igniting gas mixt. - generates spark by HV generated by transformers and capacitor system
Inventor: STEUERNAGEL GERHARD DIPL ING D
IPC: F23Q3/00
Filed: 1976-03-18
Abstract: The switching circuit is used for igniting a gas mixture by a battery powered fire lighter. High voltage pulses are generated from the low voltage direct current battery. Compact and economical transformers can be used which have high efficiency. The direct current is converted into alternating currents. This is fed to the primary winding (4) of a transformer (5). The secondary winding (6) of this transformer (5) is connected by a rectifier to a high voltage capacitor (8) which is connected in parallel to the spark gap (10). Between the secondary winding of the transformer and the high voltage capacitor (8) is arranged a capacitive voltage multiplier. An electronic chopping circuit is used for converting battery voltage into alternating current.
Patent DE-2611922-A1 (DE)
Title: Banner fixed across car roof to give warning of breakdown - comprises pref. dark coloured PVC with a light reflecting plastic symbol
Inventor: MINOER BERTHOLD
IPC: G09F21/04
Filed: 1976-03-20
Abstract: The sheet-plastic (pref. dark coloured PVC) banner, with its light-reflecting plastic symbol, is as long as the car is wide and as broad as the symbol requires. It has fasteners at the ends, by which it can be fixed to the vehicle. The fasteners are rods, with clamps to fix them to the car's roof gutter and rubber buffers to support them on the roof. Suction discs can be substituted for the clamps. The banner is shortened to size by rolling it on the rods. Split rubber sleeves hold the rolled-up lengths in place. A warning can be more quickly mounted with this banner than with a bollard placed in the carriageway at some distance behind the car.
Patent DE-2615012-A1 (DE)
Title: Sector radiation system with several radiators - has sector horn outlet with metal grid consisting of elements parallel and perpendicular to waveguide axis
Inventor: PALUMBO BENITO
IPC: H01Q15/02
Filed: 1976-04-07
Abstract: The sector radiators consist of window, pref slots in the narrow wall of a waveguide. A sector horn lateral surfaces are perpendicular to the waveguide axis. The horn outlet aperture has a metal grid (4) consisting of metal elements parallel to the waveguide (1) axis, and of transverse strips perpendicular to the waveguide (1) axis. The metal used may be benyllium copper or aluminium, and the frame is attached to a closure plate (5), of fibre-glass or resin, by means of an adhesive substance.
Patent DE-2616986-A1 (DE)
Title: Hydroxy-substd. phenyl ketones prodn. - by reacting phenols with acid halides in liquid hydrogen fluoride
Inventor: MEUSSDOERFFER JOHANN-NIKOLAUS
IPC: C07C45/46
Filed: 1976-04-17
Abstract: In a new process for the prepn. of hydroxy-ketones of formula (I), a phenol of formula (II) is reacted with a carboxylic acid halide of formula R10-CO-halogen (III) in liq. HF. In the formulae, R is a is not >18C alkyl or alkoxy gp. inert towards HF, a halogen atom, NO2, or an alkynyl gp. contg. 4C atoms forming a second aromatic ring; R1 is is not >12C alkyl or aryl; is not >14C aralkyl, or a residue of formula (Ia); n is 1 or 2; m is 0, 1 or 2; and R10 is is not >12C alkyl or aryl, is not >14C aralkyl, or a gp. -CO- halogen or -(CH2)y-CO-halogen (y being 1-6). (I) are useful in the pharmaceutical industry. (I) are obtd. in excellent yield and high purity. The reaction can be carried out at room temp. In an example, p-hydroxyacetophenone (purity 96%) is obtd. in 95% yield by reacting phenol (282 g.) in anhydrous liq. HF (1000 ml.) with acetyl chloride (234 g.) in an autoclave at room temp.
Patent DE-2617808-A1 (DE)
Title: Alkoxy-aminobenzene electrolytic prodn. - by nitrobenzene redn. in acidic methanol soln., useful as dye intermediates
Inventor: RUETTER HERMANN DR
IPC: C25B3/25
Filed: 1976-04-23
Abstract: Prepn. of amino- methoxybenzene (I) comprises electrolytic reduction of nitrobenzene (II), having one ortho or the para posn. unsubstd., in a soln. comprising CH3OH and an acid. (II) is esp. nitrobenzene opt. with additionally 1-4 alkyl substits., 1-2 halo, OH, NH2, alkylamino, CN, alkoxy, COOH, SO3H, HCO and/or alkylester substits., and/or one more NO2 gp. Pref. the methanolic soln. contains up to 30 wt. % H2SO4 and reaction is at up to l5 degrees C. They are prepd. simply in a single-stage process which can be operated at low temp. and does not demand precise pH control.
Patent DE-2618478-A1 (DE)
Title: Display panel for graphic information display - consists of plates which can be pushed back and then moved sideways
Inventor: HESS KLAUS
IPC: G09B29/00
Filed: 1976-04-27
Abstract: Information is displayed by corresponding elements placed in selected positions on a display surface. The panel has a frame which holds rectangular plates forming the display surface and placed in a row next to each other. They are held in guides in the frame parts running in the direction of the plate arrangement. The plates can be pushed behind the frame and then moved behind the other plates and replaced in the guides at another position. At least one plate (3) can be pushed behind the information display surface, separately from the other plates, so that it can be moved sideways behind the other plates.
Patent DE-2619514-A1 (DE)
Title: Heat pump thermal storage system - has salt or salt mixture heat storage mass of exothermic crystallisation character
Inventor: WERDING WINFRIED JOSEF
IPC: F28D20/02
Filed: 1976-05-03
Abstract: A heat storage system for heat pumps, having a storage mass in the form of salt or salt mixture, uses a mixture whose density is greater than that of water when in place in the heat storage device. The melting point of the storage mass is at temp. level lower than that which can be reached with a conventional heat pump. Devices are provided by means of which heat can be transformed to or extracted from the storage as are devices for deliberate prolongation of the exothermic crystallisation of the salt paste to follow preselected programme.
Patent DE-2622532-A1 (DE)
Title: Postal tube system slug arrangement - used for testing purposes with buzzer for easy location from outside
Inventor: GROHME WERNER
IPC: B65G51/06
Filed: 1976-05-20
Abstract: The slug is for use in a postal tube system as a test slug. It either emits a signal detectable from outside with or without the aid of auxiliary equipment, or is so designed that it can be located from outside. The design allows the position of any jam to be rapidly located. In its simplest form the slug can have a battery-operated siren or buzzer audible from outside, or it can incorporate a radio or ultrasonic transmitter. A further alternative is to make it so that it can be located by a metal detector.
Patent DE-2630285-A1 (DE)
Title: Inductive loop communication system for classroom for deaf pupils - has small coplanar loop to cancel magnetic field of main loop
Inventor: MEYER FRIEDRICH-WILHELM ING GR
IPC: H04B5/00
Filed: 1976-07-06
Abstract: The inductive communications system, for classrooms used in teaching the hard-of-hearing, has a horizontal induction loop to transmit signals to receivers lying in the plane of the loop inside the classroom. A compensation loop reduces the strength of the main loop magnetic field outside the classroom. The comparatively small compensating loop (14) is located in the plane of the main loop (15) between it and the wall (12) delineating the area needing magnetic screening. The current in the compensating loop flows in the opposite direction to that in the main loop and the turns/current product of both loops is roughly the same.
Patent DE-2632809-A1 (DE)
Title: Fastener for lingerie such as brassiere - consists of rectangular cross section insert fitting into matching socket
Inventor: FILDAN GERHARD
IPC: A41C3/02
Filed: 1976-07-21
Abstract: The fastener consists of a socket (5) and an insertion piece (2) which are fixed to the lingeries. The insert (2) has a rolled piece (8) which extends crosswise to the direction of fastening and is attached by means of a bridge piece (9) to the clothing attachment (4). The insert (2) is of an oblong or square section. The socket (5) is fixed to a clothing attachment, and is open at the sides parallel to the plane of the fastening direction. The internal dimension of the socket correspond to the size of the rolled piece (8). The side facing the insert (1) has a cut out section (6) fitting to the cross section of the bridge piece (9). The inside sides of the cut out section has projections (7) which lock the inserted rolled piece (8) in its fastened position.
Patent DE-2634000-A1 (DE)
Title: Intense point light source for high speed photography - produces relatively long flashes of light under control of shunt switch
Inventor: KREHL PETER DIPL ING DR
IPC: H05B41/30
Filed: 1976-07-29
Abstract: The intense point light source, for high speed photography, is connected over a ballast resistor to a delay line and is shunted by a switch that controls the duration of current flow through the light source. The coaxial source consists of an anode rod, a cathode disc, a spacer and a window - all held together by a knurled collar, knurled screw and knurled nut. The cathode holder has a contact ring made of an erosion-resistant hard-metal alloy. The advantage lies in the source's producing relatively long flashes of light.
Patent DE-2636044-A1 (DE)
Title: Compact rapid reading clinical thermometer - has resistive probe driving light diode display via analogue=digital converter
Inventor: KAEFERLEIN CHRISTIAN
IPC: G01K1/02
Filed: 1976-08-11
Abstract: The rapid-reading thermometer is self-contained and is esp. suitable for clinical use. The thermometer consists of a resistance element (2) whose resistance varies with temp. This variation is converted into a variable voltage which drives an A/D converter. The temp. reading is then displayed in digital form by means of light-emitting diodes (3). The instrument is powered by batteries and comes into operation when a button is depressed (4). An additional indicator (9) shows the status of the power supply each time the thermometer is used. The instrument is housed in a compact case designed to fit into the pocket. It can be read in the dark.
Patent DE-2638408-A1 (DE)
Title: Air circulation unit for refrigerating systems - has cooling channel with air deflectors for cooling or heating
Inventor: SETHFORS BERT
IPC: F25D17/06
Filed: 1976-08-26
Abstract: The air circulation system is used for deep freezing and storage systems. These systems are used for example in grocery shops for preserving foodstuffs. The heat ejected is used by a simple arrangement for heating of premises during colder seasons. The rejected heat is ducted out of the room directly in warmer seasons. The condenser or the evaporator component of the refrigerating plant is assembled to form an air cooled condenser or evaporator unit. This unit is built into a housing (1) which forms an air channel. This housing has a number of blowers (3) in series with the units. Air can be blown in either direction through the condenser or evaporator unit. The housing (1) has openings covered with adjustable venetian blind type covers for directing air into the required area.
Patent DE-2650563-A1 (DE)
Title: Reclining chair bed with correct body support - has interchangeable padding elements mounted on supporting frame linked by articulated joints
Inventor: HUG ERNST
IPC: A47C7/02
Filed: 1976-11-04
Abstract: The reclining chair bed comprises a support frame made up of two trapezoidal side members on which a seat bed member is swivel mounted. The seat bed member is in at least three sections, i.e. head, back and lower parts. These three sections are connected together by articulated joints so that they can be set at any angle position. The seat bed member also includes a frame on which padded elements are mounted parallel at even spacing normal to the longitudinal axis of the bed. These padded elements are pref cushioned plastic or wooden strips.
Patent DE-2651230-A1 (DE)
Title: Protective circuit for switching transistor - has Zener diode in parallel to transistor base-collector path with lower breakdown voltage than emitter-collector voltage
Inventor: WOLF GUENTHER
IPC: H03K17/082
Filed: 1976-11-10
Abstract: The protective circuit is intended for a switching transistor whose emitter-collector path is in series with a high inductance coil. Parallel to the base collector path of the transistor (3) are connected two Zener diodes (7, 8). Their breakdown voltage (UZ) is lower than the permitted emitter-collector voltage (UCE) of the transistor. It is, however, higher than the operating voltage (Ua) effective at the series connection of the transistor and coil (4). This reduces the time required for reduction of the magnetic field of the coil and prevents appearance of undesirable high voltages at the transistor.
Patent DE-2653291-A1 (DE)
Title: Self braking swivelling caster - has spring loaded pressure sleeve with profiled braking strip at top end engageable with castor periphery
Inventor: MUEHLEN GUENTER VON DER
IPC: B60B33/02
Filed: 1976-11-24
Abstract: The axle of the sprung castor is gripped by a spring loaded pressure sleeve (1) with a profiled braking strip (17) at the top end, under the inside of the castor tread. As the castor is loaded the braking strip is raised from the tread and frees the castor. The braking strip is contoured to provide a braking force partway around the circumference of the tread. It secures the castor and prevents the item of furniture from rolling away inadvertently.
Patent DE-2653699-A1 (DE)
Title: Suction-and-pressure silage conveyor - has auxiliary air opening in pipe on suction side of blower to prevent blocking (NL 30.5.78)
Inventor: AHRENS ERNST-W ING GRAD
IPC: B65G53/28
Filed: 1976-11-26
Abstract: The pneumatic suction-and-pressure conveyor delivers silage from a tall silo via a rigid or telescopic pipe to a cyclone at the end of the pressure section, the cyclone having an open bottom and an air-permeable cover at the top. An auxiliary air opening (8) is mounted in the suction portion of the pipe (1) before the blower (4). Typically, it can be an auxiliary air spout discharging into the suction pipe, and with an opening adjustable for width. In systems with long discharge pipes, and partic. when handling maize, the pipes tend to choke up, due to the silage cutter at times delivering more than the blower can handle. The design allows enough air to be drawn in by the blower to prevent this happening.
Patent DE-2656617-A1 (DE)
Title: Chemical autocatalytic copper plating bath - contg. prim., sec. and/or tert. amine mixt. to reduce deposit thickness saturation
Inventor: ZOLLA BRUNO
IPC: C23C18/40
Filed: 1976-12-14
Abstract: Compsn. for electroless auto-catalytic Cu plating contains a mixt. of 2 different amine types, in addn. to a complex Cu salt; a reducing agent, e.g. HCHO; a base, e.g. an alkali metal hydroxide and advantageously a buffer, e.g. NaK tartrate. Amine mixt, may contain prim., sec. and/or tert. amines. Process can be used for plating plastic substrates in order to make them electrically conductive, e.g. for printed circuits. The amine mixt. addn. reduces deposit thickness saturation. Prim. and sec. amines improve bath stability without reducing reaction velocity. Tert. amines increase deposition rate and contribute to improved bath stability. The cu content of the bath, expressed as CuSO4.5H2O, can be increased to >10 g/1, thus reducing need for bath replenishing. Bath may be used for 6-8 cycles. Immersion time of articles to be metallised may be reduced from 15-20 to =5 mins.
Patent DE-2656753-A1 (DE)
Title: Hand operated pump for emptying oil sump - has flexible suction tube of transparent plastic and attached magnetic probe
Inventor: MOTZ FRANZ
IPC: F04B53/10
Filed: 1976-12-15
Abstract: A hand operated reciprocating pump for emptying the sump of an internal combustion engine has a conventional cylinder with a reciprocating plunger attached directly to a handle. The cylinder is extended by a flexible tube which is pushed into the sump and can be bent to reach into the bottom of the sump through an opening in the side. The flexible tube is made of a transparent plastic. This reduces production costs and maes the flow of oil visible which makes it possible to verify that all oil has been removed. A thin magnetised steel probe is attached to the end of the flexible suction tube. This pucks up and removes small metal particles left in the sump.