baber/WOPTO huggingface dataset:
Patent DE-2534344-A1 (DE)
Title: High compression spark ignition engine - has plug points set back from main combustion chamber in auxiliary one
Inventor: JUNG ROLF ING GRAD
IPC: F02B19/12
Filed: 1975-08-01
Abstract: The combustion chamber is for a high-compression four-stroke engine with a sparking plug in the cylinder head. The electrodes (7, 8,) of the plug (6) are set back from the main combustion chamber (1), in an auxiliary chamber (11) directly connected to it. The lower portion of the tapped hole accommodating the plug can form the auxiliary chamber, and a distance piece (12) can be fitted between plug and head. Where the tapped hole for the plug is short, an intermediate sleeve can be screwed into it, into which the plug in turn screws. The design allows engines originally designed to run on high-lead-content fuel to be simply modified to take that of lower grade.
Patent DE-2536269-A1 (DE)
Title: Door panel with pockets for lock casing - has plastics lined pockets covered with cover plate with matching holes
Inventor: BAUMGAERTNER EUGEN
IPC: E06B1/52
Filed: 1975-08-14
Abstract: A timber door frame is recessed for inserting a lock and cover panel on either left or right hand side. Any openings within the door panel and profile assembly are not externally visible. The panels used stand up to hard wear and knocks. In the region of the lock and its catch is cut an opening leaving a thin wall. A late is placed into this cut. Pockets are also cut, and covered with similar openings within the covering plate. The openings under the pockets accommodate the lock mechanism. Covering material is pushed into these pockets and lined with plastics liners and the openings are covered finally b a covering plate with fastening holes.
Patent DE-2539012-A1 (DE)
Title: Liquid crystal indicator cells with twisted layers - obtd. using orientation layers of silicon nitride formed by oblique evapn.
Inventor: KOBALE MANFRED DR
IPC: G02F1/1337
Filed: 1975-09-02
Abstract: Display device, using a liq. crystal layer sealed between two substrates each coated on their inside surfaces with an electrode layer, and an orientation layer (I) for the liq. crystal layer (3). Layer (I) is a nitride. The nitride is pref. a silicon nitride evaporated at an oblique angle onto the substrates and possessing a pref. direction. The substrates pref. have a uniform microprofile obtd. using an intermediate layer on the same material as (I) and also obtd. by oblique evapn. Layer (I) is pref. 0.05 (esp. 0.02) mu thick, and forms an electrically insulating layer. Used in indicator cells, esp. rotary cells, i.e. with twisted layers.
Patent DE-2548903-A1 (DE)
Title: Semiconductor memory element - of long stability with differential insulating layers in field effect structure (NL040576)
Inventor: HORIUCHI MASATADA
IPC: H01L29/788
Filed: 1975-10-31
Abstract: A semiconductor memory element with long-term stable storage characteristics has over the source region an second insulating layer (SiO2) of greater effective thickness than the first insulating layer which it adjoins. A third insulating layer over the drain region also adjoins the first and has a greater thickness than the first. A metal film over the first insulating layer acts as the charge storage element. A gate is arranged above it; electrodes are joined both to the source and to the drain. This results in a field-effect memory element which stores information over long periods. It requires small WRITE and CLEAR fields. Threshold voltages far apart from each other ensure an easy read-out. Very short channel lengths give fast access and high storage density.
Patent DE-2557435-A1 (DE)
Title: Plethysmograph device for lung operation testing - has normalisation device with adjustable reproducibility and indicator system
Inventor: HAMPL FRANZ ING GRAD
IPC: A61B5/08
Filed: 1975-12-19
Abstract: The plethysmograph is for examination of the lung function of subjects, having an air tight sealable chamber within which the subject is seated. A pressure measurement device (18) operates through a normalisation device (20). The transform or transmission ability of the normalisation device (20) can be reproducibly adjusted by means of one hand operated adjustment device (22). The transmission system is coupled to an indicator device (24) which indicates the normalised output signal produced by the pressure measurement device (18).
Patent DE-2559270-A1 (DE)
Title: Transfer station for stream of tins - has hinged pusher plate moving tins to tray for sliding onto exit conveyor
Inventor: HEINZ KARL
IPC: B65B35/40
Filed: 1975-12-31
Abstract: The transfer station for a stream of tins (2) is supplied from a conveyor which is perpendicular to the exit conveyor. The exit conveyor includes a slider frame (25) which is also provided with a hinged pusher plate (38). A stack (6) of packing trays (5) is located above the slider frame, on the same level as the exit conveyor. When the slider frame moves forward, the pusher shifts a set of tins (2) on a packing tray onto the exit conveyor. At the same time, the lowest tray from the stack is moved to a position in which it is ready to receive the next set of tins (2) which arrive on the supply conveyor.
Patent DE-2601069-A1 (DE)
Title: Wind driven power station - has vertically positioned rotors in freely turning outer walls of tower building sections
Inventor: SCHLAPP OTTO
IPC: F03D13/20
Filed: 1976-01-13
Abstract: Wind driven power station of tower construction type, has rotors positioned vertically in the outer walls of building sections which are arranged above each other, and in a lateral joint formation so that the tower facade may freely turn in the wind. The whole outer surface of the cell elements (10) and of the interior tower cells (13), and of the construction sections (2) over the whole tower height influences through their shape the usable airflow in such a way that even at low flow speeds a maximum power output may be taken from some of the upper rotors. The volume of air flows both round the tower construction as well as through it passing through the centre passage (11) over the entire height without being impeded by the connected cell elements (10 and 13) or by the static spar frame (1) of the tower itself.
Patent DE-2606432-A1 (DE)
Title: Universal pipe joint with bellows between flanges - has cable trained around pulleys alternately mounted on flanges
Inventor: MAUTHE GERHARD
IPC: F16L51/02
Filed: 1976-02-18
Abstract: Universal pipe joint comprises two flanges connected together by a bellows which conducts fluid between pipes connected by the joint. Tension leads on the joint are taken by a flexible cable trained in succession over pulleys which are mounted alternately at the outside of the bellows. Thus the cable passes from a pulley (4) supported by a bearing bracket (3) secured to the one flange on to a pulley similarly mounted on the other flange and so on all round the joint. As the joint is bent certain cable runs become shorter while others lengthen.
Patent DE-2606596-A1 (DE)
Title: Light modulation matrix for image reproduction - with magnetooptical matrix which produces switching control of cells based upon Faraday effect
Inventor: HILL BERNHARD DIPL PHYS DR ING
IPC: G02F1/09
Filed: 1976-02-19
Abstract: The modulation matrix is for an image display or projection system and uses a structured magneto-optical layer e.g. iron-garmet to provide electrical rather than optical switching. For a direct transmission system light is transmitted over a polariser (P) through the modulation matrix (M) with associated switching cells (2) over a coupling plate (K) onto the analyser (A). The modulation matrix consists of an iron-garnet layer on a substrate with resistive layer sandwiched between two electrodes mounted on top. For the transmitting version the electrodes and the resistive layer are transparent. Up to 250,000 magneto-optical cells may be produced that are selectively switched by current pulses to produce heat generation.
Patent DE-2608349-A1 (DE)
Title: Novel diacyloxamide bleach activators for washing/bleaching compsns. - esp. those contg. per cpds. have good storage stability and degrees of activation
Inventor: HASE CHRISTIAN DIPL CHEM DR
IPC: C11D3/39
Filed: 1976-03-01
Abstract: Substd. diacyloxamides of formula R1-CO-NR2-CO-CO-NR3-CO-R4 (I) (where R1 and R4 are each) (m)ethyl or phenyl and R2 and R3 are each (substd.) 1-6C alk(en)yl gps.) are new. (I) may be made by reaction of R2HN-CO-CO-NHR3 with R1COX and R4COX (where X is R1-COO, R4-COO, Cl or Br) or with ketene. The pref. acylating agent is acetic anhydride, pref. used in excess (which is later removed) and the reaction is generally carried out at 50-120 degrees C for 1-10 hrs. depending on the amt. of the excess. (I) is used in the presence of per cpds. in a pref. molar ratio of 1:2-5. (I) have low toxicity for aquatic organisms and are biodegradable.
Patent DE-2610026-A1 (DE)
Title: Electronic flash tube quench triggering circuit - is modified to compensate for light emitted after quench signal
Inventor: KRAUSE GERHARD
IPC: H05B41/32
Filed: 1976-03-10
Abstract: The circuit contains a phototransistor which registers the light reflected from the photographic subject; this has an integration capacitor in its collector circuit and triggers the quench device from its collector or emitter. The modification consists in inserting in the collector circuit a correcting element which contains an ohmic resistor and whose effect is relatively the more marked, the shorter the intended period of illumination. The correcting element may be an ohmic resistor (possibly shunted by a capacitor) in series with the integration capacitor. This method is preferable for a parallel-computer-flashtube. An ohmic resistor may be connected across the integration capacitor.
Patent DE-2615337-A1 (DE)
Title: Telephone instrument with dialling keyboard - has dialling pulse relay terminating line loop with resistor ensuring reliable loop state recognition
Inventor: BINDER GERHARD DIPL ING
IPC: H04M1/31
Filed: 1976-04-08
Abstract: The telephone instrument has a convertor converting the selected digits into corresponding dialling pulse trains. The convertor controls a relay switching over the subscriber line from the speech circuit to the convertor, and a dialling pulse relay whose contact lies in the line loop. The dialling pulse relay is a monostable relay (USI). Its contact (USI) terminates the line loop with a special resistor (R) whose resistance is such that a reliable recognition of loop closing by central line monitoring means is ensured. The pulse relay is so controlled during its operation, tha at first at least an operating current is applied to it for the time necessary for its response, and then a holding current is applied to t for the rest of the operating time.
Patent DE-2615818-A1 (DE)
Title: Multiple plug and socket pipe coupling - has spring lip in socket to prevent accidental removal of plug
Inventor: KLOTZ HEINZ ING GRAD
IPC: F16L37/56
Filed: 1976-04-10
Abstract: The multiple plug and socket pipe coupling consists of two discs each having a number of holes into which the pipes are fitted. Each pipe has an end fitting (9) provided with a shoulder (8) separated by a circumferential groove from the conical end (12). The disc (1) has a stepped bore to suit the fitting (9) and the smaller bore is provided with a spring lip (14). When the fitting is pushed into the bore in the disc (1) the conical end (12) deflects the lip (14) which springs back into place into the groove (13). The steeper slope of the conical surface forming the wall of the groove prevents accidental removal of the fitting.
Patent DE-2618883-A1 (DE)
Title: Hospital bed with motorized height adjustment - is stackable and has mechanism to raise patient to sitting position
Inventor: ASMAN JAN LEENDERT
IPC: A61G7/005
Filed: 1976-04-29
Abstract: The bed can be raised or lowered along slant columns (14), the telescopic undercarriage strut (28, 29) adjusting its length accordingly. The columns retract into the head/foot boards (3), which also house their long-screw-and-nut mechanism (motors 18). If the bed is supported in its highest position and the legs retracted, a second bed (in lowest position) can be wheeled underneath and raised up to the first, forming a stack, to which further beds can be similarly added. One version of the bed has a stiff mattress hinged near the middle, with a strut supporting the head end. When the legs of the bed are retracted, the strut folds the mattress, raising the patient to a sitting position, from which he can more easily get out of bed.
Patent DE-2620261-A1 (DE)
Title: Brake disc for motor vehicle - has staggered radial expansion grooves on both faces of rim giving zigzag cross section
Inventor: SCHWARZ GUENTHER
IPC: F16D69/00
Filed: 1976-05-07
Abstract: The brake disc for motor vehicles has radial expansion grooves on both sides, the grooves having a depth of over half the thickness of the disc rim. The grooves on one side are offset by half their pitch relative to the grooves of the other side. The brake disc consists of a cup-shaped hub (1) and an annular rim. The radial webs (14) joining the two faces form grooves (5) on the two sides which can have either parallel, outwardly divergent or inwardly divergent walls. The grooves are open at both ends so that a radial air flow through them can assist the cooling. The groove depth can be up to 90% of the total thickness of the disc.
Patent DE-2625756-A1 (DE)
Title: Steering wheel safety mechanism - has swinging arm secured to sliding collar resting on collapsible sleeve around steering column
Inventor: SINNHUBER RUPRECHT
IPC: B62D1/19
Filed: 1976-06-09
Abstract: The mechanism is intended for diverting the steering wheel away from the driver of a vehicle in the event of a collision. It has an arm (8) extending forwards towards the steering column (1) with a ring (7) encircling the zone where the steering wheel (4) hub (3) is attached to the column. A slider (14) under this zone is supported by a corrugated sleeve (5) around the column. This slider is attached to one end of a cord or lever (13) which is attached at the other end of an anchorage (15) on the floor by a hinge pin. This allows the steering column to swing about the pivot print formed by the drive (2) between the column and the steering gear, the collar travelling downwards against the corrugated sleeve.
Patent DE-2626639-A1 (DE)
Title: Hydraulic mine equipment general repair tool - is hammer shaped with different portions for repairing supply line connections
Inventor: KUJAT ALWIN
IPC: E21F17/00
Filed: 1976-06-14
Abstract: The multi-purpose tool for mining equipment, is particularly for emergency use with hydraulic equipment, and for dealing with breakdowns. It made of plate material and has a hammer head and handle. The head has a claw portion (1) for pulling clamps on the straps around the supply lines, and a square hole (2) for locking and unlocking bolts etc. The handle has a pointed end (3) for pulling the securing straps from the supply lines. A hole (4) through the lower part of the head is for hanging up for transport. The head carries a nose portion to form a striking member and may be used on the supply line strap clamps.
Patent DE-2628347-A1 (DE)
Title: Dialkyl hexahydro-(1,4)-diazepinones - useful catalysts in polvurethane forming reactions
Inventor: LEHMANN WOLFGANG DR
IPC: C08G18/20
Filed: 1976-06-24
Abstract: of formula (I) are new. (in which R' and R" = H or 1-4C alkyl R and R1 - 1-6C alkyl which are opt. branched, opt. interrupted by O or opt. substd. by di(m)ethylamino gps.; R2 = H, 1-6C alkyl or 6-10C aryl; and R3 = H or methyl). (I) are made e.g. by reacting N,N'-dialkyl-alkylenediamines R.NH.C(R')2-NH-R1 (II) with alpha,beta-unsatd. monocarboxylic acid (derivs.) esp. the esters, at 20-200 degrees C. (I) pref. have R' and R" = H or CH3; R2 = H, CH3 or phenyl; and R2 = H or (if R2 = H) CH3. (I) are useful catalyst in prodn. of (foamed) polyurethanes by reacting polyisocyanates with cpds. contg. >=2 NCO-reactive H atoms and the usual additives.
Patent DE-2633487-A1 (DE)
Title: Selective permeability membranes - of vinyl! sulphonic acid-acrylonitrile! copolymer for fractionation of metal salts
Inventor: WALCH AXEL DR
IPC: B01D71/42
Filed: 1976-07-26
Abstract: Metal salts are fractionated by hyperfiltration using a selective permeability membrane made from a 1:17 to 1:5 mol copolymer of vinylsulphonic acid and acrylonitrile. The membranes can be used under strong acid, alkaline, oxidising or reducing conditions, in contrast to prior art membranes, and are suitable for service at pH 1-13 and with phenol-contg. solns. The membranes are easily made, with no complex process stages and are esp. useful for selective purificn. of waste waters from laboratories, factories, plating baths, etc.
Patent DE-2641430-A1 (DE)
Title: Luminescent light panel supply circuit - uses mixt. of mains frequency and third, fifth and seventh harmonics
Inventor: BECKHOFF KLAUS
IPC: H05B44/00
Filed: 1976-09-15
Abstract: The supply circuit supplies luminescent light panels from the AC mains and uses a mixture of mains frequency and harmonics instead of a fixed supply frequency. This mixture is generated by a capacitor (C) and transformer (T) forming a series resonant circuit. The transformer has a heavily saturated core which is made from strips of low-loss material. A field of 2 Tesla is enough to saturate the core. The transformer saturation voltage lies below the mains voltage. The frequency mixture includes primarily the third, fifth and seventh harmonics and is effectively a frequency of 200 Hz.
Patent DE-2644599-A1 (DE)
Title: Joint between polyolefin gas main and steel house-service pipe - brought closer to the house, without increasing the fire risk
Inventor: POHLIG FRIEDR ING GRAD
IPC: F16L47/04
Filed: 1976-10-02
Abstract: The invention proceeds from a known type of joint, which is is kept a metre away from the house, for fear of fire damage to the gas main. This method, however, involves using a metre of steel service pipe in a position where it may corrode, and thus bring its own fire risk. The length of asbestos pipe that surrounds the joint is given a steel cap, which will be welded to the steel service pipe and fastened in a fireproof fashion to the asbestos pipe itself. In addn. the polyolefin sleeve which forms the connector is to be welded to the polyolefin main and fastened to the steel service pipe, which is pref. polyolefin-coated at this point. The connector sleeve is pref. held to the service pipe by a screw-threaded nut; there are sealing rings in various places.
Patent DE-2648235-A1 (DE)
Title: Automatic sack base mfg. machine - sews together ends of hose sections drawn past folding tool by conveyor belts
Inventor: BOSSE FRANK
IPC: B31B160/10
Filed: 1976-10-25
Abstract: The installation for making sack bases automatically by sewing up the ends of hose sections, includes a conveyor consisting of pairs of conveyors bands which hold the hose sections between them and supply them to a sewing machine. A folding tool is positioned in front of the sewing machine and a further pair of conveyor bands with speed adjustable in relation to the conveyor speed is located between the sewing seam line and the next pair of conveyor bands driven at the speed of the conveyor.
Patent DE-2650287-A1 (DE)
Title: Fibre tow stretching appts. - preventing variation in fibre tow thickness
Inventor: SCHAEFER AUGUSTIN DIPL ING
IPC: D01H5/38
Filed: 1976-11-02
Abstract: Fibre tow stretching appts. having two pairs of stretching rollers by variable speed motors associated with tachometers producing proportional signals and switch-over device for automatic changing from tow thickness to stretching ratio control is provide with a store memory in which are stored the tachometer signals ratio just prior to the switching over, the state of the memory being held constant during controlling of the stretching ratio. During the control of the motor speed ratio the state of the memory and one of the tachometer signals is used to produce a third signal which is proportional to the product of the stored tachometer signal and the instant value of the tachometer signal. At a comparison point there is formed a differential signal corresp. to the third signal and a further signal proportional to the speed of the other two motors, the differential signal being applied to controller for the first motor. Fibre tow thickness variation is kept to a min. or eliminated completely.
Patent DE-2650624-A1 (DE)
Title: Circuit producing shock waves for destroying concretions - with parallel-charged capacitors discharging energy in the sequence
Inventor: FORSSMANN BERND DR
IPC: G10K15/06
Filed: 1976-11-05
Abstract: Circuit for producing shock waves for destroying concretions in the bodies of living creatures operates with a spark gap (F) located at the focal point of a rotationally elliptical water-filled coupling device placed on the surface of the body, with the concretion located at the other focal point. Several enecapacitors (C1-Cn) are charged in parallel by a voltage source (UL) via resistors (R1-Rn). The control spark gaps are controlled by a delay control device (V) in such a way that th capacitors discharge their energy in time sequence to the underwater spark gap (F). To obtain fragments of several mm., shock waves 10-6 secs. are required; to completely destroy a kidney stone of dia. 1 cm into passable fragments, 5-10 shock waves are required.
Patent DE-2713169-A1 (DE)
Title: Projection appts. enlarging or reducing microfilm, photographs etc. - has lens system swivelable out of path of plane mirror in housing
Inventor: DINTER KLAUS
IPC: B43L13/18
Filed: 1977-03-25
Abstract: Projection appts. is used to copy, enlarge or reduce microfilms, diapositives, photographs, prints etc. The appts. includes a housing (1) with a reproduction or drawing surface (2), an object support plate (4) located in the interior of the housing, a drawing machine (3) and an illuminating element (5). There is a lens with holder (6), swivelling and height adjustable mirror (7), projection surface (8) and a blower (9) arranged in such a way that a projection of the illuminated object is achieved either enlarged or made smaller, correctly lined up as to its sides on to the drawing surface.
Patent DE-2720446-A1 (DE)
Title: Coil and wire solderless connection - has coil former made in one piece with terminal box holding contact spring for external wire
Inventor: BESSIRE ALBERT
IPC: H01F5/04
Filed: 1977-05-06
Abstract: The coil former (1) is made of a thermoplastic with an integral terminal box (3) with a common, projecting edge (12). A clamping terminal (5) with a spring (6) is tightly fitted in the terminal box (3). Its end projecting beyond the edge (12) is soldered to one of the coil (2) wires and bent at right angle to the coil, so that it lies close and parallel to the coil side. Coil former (1) and the end of the terminal box (3) are filled with epoxy resin up to the projecting edge (12).
Patent DE-2721902-A1 (DE)
Title: Tent frame connecting link - has curved nuts to plug into tubular frame members assisted by guide grooves
Inventor: SCHLOER ERICH
IPC: E04H15/32
Filed: 1977-05-14
Abstract: The link consists of a centre part and a minimum of two side parts which could connect to the centre part in a socket and plug manner. The whole then connects onto the tent frame. This makes the assembled link form a smooth continuation with the lengths of frame which is connects. On one of its sides (12, 12') the centre piece (1) has atgleast two curving guide grooves (3, 3'). This side of the centre part (1) is parallel to guide grooves. The centre part (1) is vertical in relation to the plugging direction (P) of the frame lengths, forming a trapeze shape with the guide.