baber/WOPTO huggingface dataset:
Patent DE-2538015-A1 (DE)
Title: Removal of free formaldehyde from micro capsule dispersion - by addn. of cyclic urea derivs. or oxo oxazolidine
Inventor: SLOWKA WOLFGANG DIPL CHEM DR
IPC: B01J13/20
Filed: 1975-08-27
Abstract: Addn. of at least the stoichiometric amt. of >=15- or 6-member cyclic urea derivs. opt. substd. with OH, OMe, OEt, Me or Et, or 2-oxo oxazolidines, to aq. micro-capsule dispersions at 10-60 degrees, removes free formaldehyde used to harden the capsule walls. Esp. useful for micro-capsule dispersions used for coating copying papers. Almost all the HCHO is removed in relatively short times, e.g. usually >95% in 10 h., compared with 50% removed by addn. of urea. Formation of NaOH, as when NaHSO3 is added to react with the HCHO, is avoided. In an example, 2-oxo imidazolidine (ethylene urea) is added to an aq. microcapsule dispersion. After 1 hr. no smell of HCHO is detectable.
Patent DE-2549967-A1 (DE)
Title: Duplex steel mfr. using converter and arc furnace - connected by pipes to eliminate transfer ladles
IPC: C21C5/56
Filed: 1975-11-07
Abstract: The converter and the furnace are connected by refractory channels so the molten metal may be transferred in both directions between the converter and the furnace. The liq. metal is pref. conveyed between the furnaces by electro-(mechanical)-, hydraulic- or pneumatic appts. In one pref. plant, tilting round two horizontal axes is employed for (a) moving the liq. metal in either direction; (b) tapping slag or molten metal from either the converter or the furnace. Gas is pref. blown into the converter to raise the level of the melt and assist circulation between the furnaces.
Patent DE-2552973-A1 (DE)
Title: Fuel preparation system especially for all types of IC engines - uses ultrasonic generator to atomise fuel before mixing with air
Inventor: SCHLOSSER MICHAEL
IPC: F02M27/08
Filed: 1975-11-26
Abstract: An internal combustion engine has an ultrasonic generator (3) incorporated in its air intake pipe (2), to atomise the fuee and mix it with the intake combustion air (4). The fuel supply can be regulated to engine requirements by metering before it enters the ultra sonic generator. Alternatively the generator intensity can be electronically regulated, so that only the fuel quantity is atomised which is required for the respective working conditions. Various fuels such as diesel or kerosine can be atomised without pressure application.
Patent DE-2553497-A1 (DE)
Title: Handle for glass doors - has base plate with recessed cover and sight held down by orifice plate
Inventor: SCHNEIDER HELMUT
IPC: E05B1/00
Filed: 1975-11-28
Abstract: The door handle is suitable for fixing on glass doors and consists of a base plate (1) with screw holes (3) for fixing to the door leaf, or connecting with an identical assembly on the other face of the door leaf. The holes are on a surface (2) recessed from the outer face of the base plate. The dia of the recess accommodates a cover plate (4) carrying a sight plate (6). The perimeter of the cover plate is provided with flutes (5) through which screws or threaded shafts (9) pass through into the holes (3) of the base plate. The assembly allows a combination of different materials and/or colours making the assembly easily visible against the transparent door leaf.
Patent DE-2555246-A1 (DE)
Title: Power supply for screened equipment enclosure - incorporates low pass filter on isolating transformer secondary side and overvoltage discharge elements on primary side
Inventor: ERNST KARL DIPL ING
IPC: H02H9/00
Filed: 1975-12-09
Abstract: The equipment components in a screened enclosure are fed from an AC source itself in a screened case. On the primary side of the isolating transformer discharge elements are connected to each input lead, to divert over-voltages to earth. A screen lead may be similarly protected. On the secondary side a low pass filter to eliminate electromagnetic impulses is connected to each lead. In single phase one end of the secondary winding is earthed to give voltage equalisation and the filter connected to the unearthed line. The filter typically provide damping of the order of 60 db in the range 10 to 10 Hz.
Patent DE-2603000-A1 (DE)
Title: Textured surface hollow concrete block prodn. - uses mould base covered with concrete layer before filling and compacting
Inventor: HAEUSLER RAIMUND ING
IPC: B28B7/08
Filed: 1976-01-27
Abstract: A system for production of hollow constructional blocks of concrete for use in walls, pillars etc, using a moulding system in which a textured or visual surface is produced on at least one of the finished surfaces of the hollow constructional blocks, has the base of the mould covered with a concrete wash paper before the concrete filling is poured into the mould. Decavitation or compaction of the contents of the mould after in filling with concrete and before the back of the mould is removed for block extraction is achieved by a vibratory process.
Patent DE-2603937-A1 (DE)
Title: Child proof safety socket - has additional switch with pressure rod located in centre of contact
Inventor: SCHULTE MANFRED
IPC: H01R13/703
Filed: 1976-02-03
Abstract: The safety socket prevents accidents to small children caused by sticking a metallic object through the socket holes to make contact with the socket terminal. It consists of a conventional socket with an additional switch. This switch opens or closes the current circuit. The pressure rod of the switch is located in the centre of one of the contact holes. When it is depressed it will close the circuit to the other contact hole. The circuit will be broken again when it is released. It is also possible to introduce the system into existing sockets without any problems. This means that the contacts in the socket can only become live when the plug is inserted.
Patent DE-2606218-A1 (DE)
Title: Blade head for meat cutter - has inner ring disc in locked slidable connection with outer ring disc
Inventor: MEYENSCHEIN RICHARD
IPC: B02C18/20
Filed: 1976-02-17
Abstract: The design concerns a meat cutter with cutter blades designed so that they can be easily readjusted after becoming shorter due to the necessary sharpening operation. The blade holder (M) consists of an external ring disc (1) and internal ring disc (2). The external disc is the actual driving part and the actual blade holder, the inner disc provided with the opening (B) for the drive is designed to be slidable within the plane of the external disc, perpendicularly to the axis (A), i.e within the recess (X) of the external disc. The recess (X) has an elongated hexagonal shape accommodating the inner disc with a regular hexagonal shape. The adjustment of the inner disc is carried out by an adjusting screw (3) placed axially to the direction of movement of the disc.
Patent DE-2613982-A1 (DE)
Title: Elastic mounting for suspension damper - has soft pad for progressive support between inner and outer mounting shells
Inventor: SZABO LASZLO DIPL ING
IPC: B60G17/02
Filed: 1976-04-01
Abstract: The upper end of the telescopic damper is mounted on the body using an electric damper. This has a soft rubber pad (1) between inner (13) and outer (14) shells. The upper and lower surfaces of the rubber pad are spaced from the mountings in such a way that when the damper is displaced in either direction the pad surfaces are progressively brought into contact with the mountings. The mounting has soft characteristics for comfort and sound insulation, and by being progressively supported on the mounting, has improved strength. The lower mounting support is formed by the bell shaped flange (31) at the top of the damper, while the upper mounting has a cap shaped flange (2) fitted to the top of the mounting bolt (8).
Patent DE-2620064-A1 (DE)
Title: Safety belt coil up system of spring loaded type - has devices to vary tension of spiral coil up spring and rotational movement between take up shift and spring
Inventor: SEXTON DAVID CHARLES
IPC: B60R22/44
Filed: 1976-05-06
Abstract: A take up device for a safety belt has a shaft which rotates as the belt is withdrawn from the device and which has a spiral spring system which is tensioned as the belt is uncoiled and released while the belt is coiled onto the take up device. There is a device to couple the spring (5) to the shaft (1) in order to vary the tensioning or release stresses in the spring (5), during rotation of the shaft (1). An element (9) is built in which can be moved radial to the rotational axis of the shaft (1) to vary the rotational or vertical movement between shaft (1) and spring (5) whilst the shaft (1) rotates.
Patent DE-2624473-A1 (DE)
Title: Setting of modulation reading of recording equipment - with prevention of overshooting of modulation reading by delay before reaching full wave
Inventor: ELSAESSER DIETER
IPC: G01R13/00
Filed: 1976-06-01
Abstract: The modulation reading is first brought to a predetermined value lying below full modulation and then brought with a delay up to the full modulation value so that overshooting of the modulation reading is forestalled. The signal fed to the indicator is split and the other containing a delay element. The limiter and delay elements are rated so as to prevent the modulation reading from overshooting. The collector-emitter stages of two switching transistors are used to control the two paths of the signal.
Patent DE-2624800-A1 (DE)
Title: Controlled rectifier with half-wave rectification - has demagnetisation voltage greater when input voltage is low than when it is high
Inventor: NICOLAUS ROBERT
IPC: H02M3/335
Filed: 1976-06-02
Abstract: A controlled rectifier is used in a half wave rectification system, and the rectifier has a transformer for separation of the input from the output. There is a pulse-width controlled switching transistor (Ts) which is shunted by a capacitor (Cp) in series with a rectifier (D3) connected in parallel with a resistor (R1). The amplitude of demagnetisation voltage is greater when the input voltage is low than when it is high. The primary of the transformer (T1) is shunted by a capacitor (C1) and the secondary is shunted by a rectifier (D2) and a capacitor (C2).
Patent DE-2625265-A1 (DE)
Title: Mounting fitting for contactless operating pickup - has case with annular stop held in recessed hole of support plate by extension tube
Inventor: HILGNER REINHARD ING GRAD
IPC: G01D11/30
Filed: 1976-06-04
Abstract: The mounted fitting is for a contactless pick-up for machine parts in places difficult of access. The fitting consists of a cylindrical case containing a pick-up. The case is guided in an extension tube, and is adjustable at the measurement point. The tubes other end is held in a hole in the machine housing accessible from the outside. The pick-up (2) case (1) has an annular stop (8) movable axially and lockable. A holding plate (5) near the measurement point has a recessed hole (6) with narrow part (6a) for the pick-up (2) case (1) passage. A collar serves as support (7) for one face (15) of the stop (8). A wider part (6b) has an inner thread into which outer thread (14) of the extension tube (11) can be screwed.
Patent DE-2625812-A1 (DE)
Title: Electromagnetic relay with twin armature - has mechanical armature coupling and opposite armature abutments on housing walls
Inventor: MAHNKE HERBERT
IPC: H01H51/28
Filed: 1976-06-09
Abstract: The electromagnetic relay has two independent contact sets in a common sealed chamber, actuated each by a magnetisable armature. The two armatures have opposite movement, directions and operate by its free ends against a common counter pole. The two armatures are mechanically connected and are supported on opposite housing walls. Preferably the armatures are mutually insulated, as well as against the housing and the magnetic counter pole. At their pivotal point the armatures may be angles. The pivotal point may be formed by a nipple formed in the housing and engaging a recess in the respective armature. The free armature ends may be bevelled on the side of the magnetic counter pole.
Patent DE-2631797-A1 (DE)
Title: Milk sampling equipment with low contamination risk - has sterilised replaceable specimen cylinder attached to suction pump inlet
Inventor: TUCHENHAGEN OTTO
IPC: G01N33/04
Filed: 1976-07-15
Abstract: The milk sampling equipment consists of a cylindrical tube fixed to a support so that it is parallel with the main suction pipe immersed in the tank. A small pipe connects the lower end of the suction pipe with an opening in the base of the sample tube. This fitted with a non-return valve. A piston in the sampling tube is raised by an actuator arm coupled to the upper end of the piston rod. The actuator drive mechanism is switched via a monitor attached to the main suction pipe so that the piston only operates during the suction cycle. An indicator shows the flow rate during the pumping operation. After each sample has been taken, a fresh, sterilised cylinder and piston is inserted.
Patent DE-2632624-A1 (DE)
Title: Plastic clay binder for foundry sand mixt. - is cold setting and used with a rapid setting portland cement
Inventor: SAGMEISTER HEINZ-DIETER
IPC: B22C1/18
Filed: 1976-07-20
Abstract: Cold setting inorganic binder is used for a foundry sand mixt. which allows removal of the pattern without delay and hardening being effected after the removal. The mixt. comprises sand, modified rapid setting Portland cement, water, and plastic clay as binder. The clay provides sufficient plasticity and time for the prodn. of the mould while hardening of the cement occurs only after the mould has been formed. Pref. the sand mixt. is composed of 7-10 bulk % modified rapid setting Portland cement, 2-4 bulk % plastic clay, 5-10 bulk % water, balance quartz sand. The foundry sand mixt. may be composed of 7-10 bulk % modified rapid setting Portland cement (i.e. low dicalcium silicate content), 5-10 bulk % water, balance sand which contains plastic clay with or without addn. of sand which does not contain a binder. The binder also contains a C-contg. substance forming lustrous carbon at the temp of liquid iron. Use of the inorganic binder eliminates heath bazards usually associated with synthetic resin binders, and provides a high strength moulding sand at low cost.
Patent DE-2635641-A1 (DE)
Title: Double glazing providing sound insulation - where transparent plastic is injected between two panes of glass held in a frame
Inventor: BAYER FRANZ
IPC: B29C65/54
Filed: 1976-08-07
Abstract: A composite glass pane is made, esp. for sound insulation, and using >=2 panes. One pane is laid horizontally on a bed, and a sealant forming a spacer frame is applied round the edges of the pane. A second pane is then laid on the adhesive and bonded, esp. using pressure. Tubes are temporarily inserted in the sealing frame and employed to inject a hardenable, transparent liq. plastic into the gap between the two frames; and the air in the gap is forced out through other tubes located in the sealant. The injection tubes are pref. located at >=1 corners of the frame, whereas the air outlet tubes are located in diagonally opposite corners; and suction can be used to assist air removal. A calculated dose of the liq. plastic is pref. employed which corresponds with the vol. of the gap between the panes; and pressure can be applied to the panes to prevent their distortion during injection. A simple and inexpensive mfg. process which avoids the presence of air bubbles in the plstic used between the two glass panes.
Patent DE-2637894-A1 (DE)
Title: Quick release test socket for electrical test benches - has contact jaws closed by tapered holes in spring biased actuator plate
Inventor: DEBROUWER GASTON
IPC: G01R1/06
Filed: 1976-08-23
Abstract: The quick-release test socket assembly for component and circuit test stations consists of a rectangular block of insulating material (13) into the side of which are fitted two pairs of terminals (20, 21) connected to a test equipment. At one end of the block is an insulated plate (41) having tapered holes through which pairs of cranked contact blades pass. The inner ends of the blades are fixed into the main block and are connected to the test terminals on the side. The blades are so shaped that their outer ends project from the plate and converge to form jaws with which to grip the pins on the component under test (X). The plate is attached to guide bolts (34, 35) which pass through the block and are fixed to a spring-loaded operating bar (42). The contact blades are normally held open and are closed together when the bar is depressed.
Patent DE-2638842-A1 (DE)
Title: Monitoring system for person in possible danger - includes transmitter which sends coded signals which are received and evaluated at central station
Inventor: KOENIGS HUBERTUS ING GRAD
IPC: G08B25/01
Filed: 1976-08-28
Abstract: The person carries a monitoring device with a transmitter sending radio signals received by a central monitoring station. When a release device is operated, coded radio signals are transmitted, received in the central station and applied to an evaluator which checks the coding, and, if correct, emits an optical and/or acoustical signal. A different warning or alarm signal is given when the coded radio signal is not received during a fixed adjustable period. The circuit components include a pulse generator (1), frequency divider (2), coder (3), modulator (4) and HF transmitter (5). The pulse generator, in one embodiment of the device, is stimulated by a trigger (6) connected with a contact (8) by a cable (7). Another embodiment includes a timer (11), control unit (12) alarm (13) and optical signal unit (14).
Patent DE-2645451-A1 (DE)
Title: Hot strip unwinding mechanism from coils - has tilting guide table on horizontal axis with extensible lifting knife
Inventor: PIELSTICKER KLAUS-PETER
IPC: B21C47/18
Filed: 1976-10-08
Abstract: The mechanism unwinds hot strip from coils and inserts the leading edge between sets of driving and straightening rollers. As the strip is lifted off by a knife it is guided over a deflection roller adjustable for height and reaction roller, shaping it in the oposite direction to the curvature on the coil. In the path of the strip is a guide table (18), tilting on a horizontal axis, and incorporating a lifting knife (19) extensible towards the coil. The bearings (26) of the reaction roller (27) are mounted on a swinging lever (22) below the table. The reaction roller is swung into the path of the extending knife, and the table can be lowered below the top of the roller.
Patent DE-2646785-A1 (DE)
Title: Plasma panel with ring electrodes - has two insulator layers having electrodes on surfaces remote from discharge stage gas space
Inventor: FISCHER DIETER DIPL PHYS DR
IPC: H01J17/49
Filed: 1976-10-16
Abstract: Ring electrodes are provided on the surfaces of the insulator layers which face the gas space of the discharge stage. The electrodes can be applied in the form of conductor paths to the insulator layer surfaces remote from the discharge stage gas space. The opposing conductor paths run at right angles to one another. The ring electrodes can be perforated conductive layers. The individual discharge stages are formed by the holes of a disc which also represents the spacer. An electronically controllable barrier resistor can be provided to limit the current between the electrodes.
Patent DE-2650416-A1 (DE)
Title: Methyl-phenol prepn. from alkylbenzene contg. sec. alkyl - by oxidn., acid decomposition of hydroperoxide and catalytic hydrogenation
Inventor: IKARASHI TAKEO
IPC: C07C37/08
Filed: 1976-11-03
Abstract: Prepn. of a methylphenol of formula: (where n = 1-3) from an alkylbenzene of formula: (where R is sec. alkyl) is described. (I) is oxidised by O2 or air and the resulting prod. soln. is decomposed by acid in the presence of an acid catalyst. Acid decompsn. reaction is interrupted before its completion and the decompsn. prod. soln. is hydrogenated in the presence of a hydrogenation catalyst, opt. in the presence of a solvent, and (II) formed is recovered from hydrogenation prod soln. Highly pure (II) can be prepd. safely and economically. In an example, 3,5-dimethyl cumene was oxidised with air. Acid decompsn. of prod. was interrupted when hydroperoxide conversion was 84-96%. 2-step hydrogenation gave 99.5% pure xylenol in 62-2% yield (wrt hydroperoxide) and 73.2% selectivity (wrt 3,5-dimethyl cumene consumed).
Patent DE-2652063-A1 (DE)
Title: Rooting shares on root crop harvesting machine - have corresponding conveyor wheels on common support frame supported on machine frame
Inventor: WESTPHAL HERBERT
IPC: A01D25/04
Filed: 1976-11-15
Abstract: A single or multi-row root crop harvesting machine has a rooting share consisting of two spaced halves. Above this share is a conveyor wheel driven in the conveyed direction about a shaft transverse in the direction of travel and parallel to the ground. Several conveyor arms are bent into the longitudinal direction and have a pick up part inclined to the conveyor axis. These arms project into the conveyor channel and have a bearing part. They can be pivoted sideways about the bearing parts longitudinal axis against the action of a spring element. The rooting shares (3, 4) and corresponding conveyor wheels (5, 6) have a common support frame (7, 8).
Patent DE-2654845-A1 (DE)
Title: Plastic covering for playgrounds, sports grounds, tennis courts, etc. - with waterproof plastic coating, fleece, and foam layer of variable softness
Inventor: KOHL WILLI
IPC: E01C13/04
Filed: 1976-12-03
Abstract: The plastic covering comprises a densely needle felted fleece to one side of which is firmly bonded a water-impermeable plastic layer, pref. a spray-on coating consisting of a polyacrylic-base dispersion system or a polyurethane-base solvent-contg. system. The other side of the fleece is covered with a foam layer of variable softness which forms an intermediate layer between a base layer and the plastic covering. The surface of the plastic layer may have granules embedded in it to provide a coarse structure, or powdered rubber added to it for a fine structure. The covering provides good protection against falling, and can withstand rough treatment.
Patent DE-2701983-A1 (DE)
Title: Adjustable drawer divider - fits over back and sides of drawer dividing it at two levels
Inventor: ETZENBACH FRANZ
IPC: A47B88/20
Filed: 1977-01-19
Abstract: The divider is adjustable to fit any size drawers. Its panels hook onto the back and or sides of the drawers by means of a guide flap which can be moved backwards or forwards as required. The guide flap is provided with a horizontal slot and swivel arm which allows the drawer division to be lifted into two different positions effectively dividing the drawer at upper and lower levels as well as dividing it into smaller vertical divisions.
Patent DE-2705723-A1 (DE)
Title: Illuminating flare launcher night aiming system - has magnetic sphere with longitudinal and latitude degree divisions for alignment
Inventor: RENTZSCH MAX ING GRAD
IPC: F41G1/00
Filed: 1977-02-11
Abstract: The aiming system, esp. a night aiming system is used on the launcher for illuminating flares. The launcher has an orientating compass with liquid filling and floating magnet. The direction is read on the circular scale. The launcher can be adjusted in weak light or by internal illumination to correct azimuth and elevation. The magnet (2) is held within spherical housing (1). This housing has an inserted weight (3) and the housing is held within liquid filled chamber in a given vertical position. The sphere has on its surface degree divisions (8) as longitudinal degree lines and latitude rings (9). These divisions assist in horizontal alignment of the launching arrangement (6) in relation to the earth's magnetic field and also the azimuth angle setting.