baber/WOPTO huggingface dataset:
Patent DE-2401441-A1 (DE)
Title: Emergency buckle for safety belt - has angled trap yoke with end suspended in sliding member spring-loaded in housing
Inventor: METZGER KARL-DIETER
IPC: B60R22/32
Filed: 1974-01-12
Abstract: Separate emergency buckle for a safety belt has an angled trap yoke attached at one end to the belt and with the yoke end suspended in a sliding member displaceable in a housing against the pressure of a spring and guided and fixed on the other side on a lower part, pivoting out sideways of the housing. There are a roller with tensioning spring, and a windup roller with a gearwheel, in the sliding member. One roller runs over the holding band guided via the trap yoke, and a release lever engages the gearwheel and strikes with its other end against a pin fixed on the side toward the spring in the housing. The buckled belt automatically opens after a severe accident and releases the injured person.
Patent DE-2405098-A1 (DE)
Title: Synthetic connected for sealing tubes passing through wall - has cone shaped connector piece engaging wall with clamp to grip tube
Inventor: RAU WOLFGANG
IPC: F16L5/00
Filed: 1974-02-02
Abstract: A funnel shaped connector passes through a bore, in a wall until the wall seats in a peripheral groove adjacent to the mouth of the funnel. One tube is slid over a lip at the narrow end of the funnel and is retained by it. The second tube has a flared end which is sealingly pressed against a conical projection at the base of the funnel by a generally conical insert disposed in the mouth of the funnel. The insert has longitudinal slots defining distinct fingers which are bent inwards as the connector is engaged in the wall to retain the tube.
Patent DE-2411455-A1 (DE)
Title: Sieve cleaning brush for plan sifters - has perforated triangular body
Inventor: FILIP MARTIN
IPC: B07B1/52
Filed: 1974-03-11
Abstract: The brush is triangular with rounded-off corners. The lower side is plane and the centre has a hemispherically raised portion which gives the brush more resilience when it moves over a ribbed wire screen. The upper side has bristles and the body has perforations through which the grinding material falls. When in operation, apart from the action of the bristles, a knocking against the screen to be cleaned by the brush body helps to keep the screen perforations clear. An excellent springiness in the sieve portion is obtained since the form of the brush body has no straight lines.
Patent DE-2421421-A1 (DE)
Title: Synthetic leather having hot-shrunk non-woven backing - with adhesive absorption capacity improved by cooling and drying
IPC: D04H1/655
Filed: 1974-05-03
Abstract: Synthetic leather is obtd. from a hot-shrunk non-woven fibrous backing layer, a woven or knitted layer and a plastics surface coating, by hot-shrinking, then cooling and partly drying the non-woven material then impregnating it with a binding agent, esp. a thermo-sensitised latex, then by chemical conversion e.g. by coagulation and vulcanisation and drying. Cooling is pref. by water bath, or water spraying, followed by drying pref. by squeezing and/or air drying. The absorption capacity of the non-woven material for the binding agent is increased by the cooling and drying stages after hot-shrinking.
Patent DE-2422719-A1 (DE)
Title: Flat plate grid production - has straight slots indented into plate before stretching to widen slots
Inventor: HEINEMANN HORST-DIETER
IPC: B21D31/04
Filed: 1974-05-10
Abstract: Process of producing plates of 0.5 - 15 mm thickness with a pattern of boat shaped holes. The first step is to produce a number of thin slots are produced in a grid pattern where the cuts are three times as long as the remaining line in its rows. Also cuts in adjoining rows are offset to each other. At the same time the tool makes a boat shaped indentation forcing the sides of the cuts apart and bending them in the centre by nearly 90 deg. but running out at the end of the slots. At the same time the sheet stretches, increasing the width of the slots. A rolling process brings the bent over sections back to the final slot size. The sheet gains in size and is stronger than a round hole punched out sheet.
Patent DE-2422810-A1 (DE)
Title: Lock for container holding valuables - has toothed segment operated locking and releasing members for bolt
Inventor: ERPELDING KARL HEINZ
IPC: E05B47/06
Filed: 1974-05-10
Abstract: The container for valuables is unlocked by a client key and the lock can be blocked electromagnetically by a control system. This lock can also be actuated in case of power failure by a special key. The sliding bolt acts also as a control element and this bolt has a forward movement and reversing element. The locking bolt (2) has a forward movement member (4) and a reversing member (5). Between these members is an actuating toothed segment (6) operated by the client key. The teeth of this segment engage in turn with the locking movement generating, tooth on the forward movement number and with the tooth on reverse movement member. The locking, forward movement, member is spring loaded for independent action if required.
Patent DE-2428314-A1 (DE)
Title: Extra lightweight prefabricated-component concrete shell ceiling - with cavities in non-reinforced areas of concrete slab's top side
Inventor: KLEINSANG JUERGEN DIPL ING
IPC: E04B5/38
Filed: 1974-06-12
Abstract: The lightweight ceiling of the shell type type comprises a reinforced concrete slab with reinforcing ribs or beams on the upper side, and devices for accommodation of thrust forces between the ceiling and the site concrete which has to be prepared on it. It incorporates recess-type hollow spaces in the areas on top of the concrete slab which are free of reinforcing elements. Thrust accommodation is more securely provided at the connecting joint between shell ceiling and site concrete, and at the same time weight is still further reduced, as compared with the normal type of shell ceiling, with the reinforced areas serving as stabilising ribs or reinforced serrations, while in non-reinforced areas the thickness of the slab may be reduced by more than half.
Patent DE-2437161-A1 (DE)
Inventor: GROT WALTHER GUSTAV
IPC: C08J7/12
Filed: 1974-08-01
Abstract: A fluorinated polymer which contains pendant groups in the form of -SO3H, salt thereof, or salt of -SO2NH2 is converted to a polymer whose surface is melt processable. Conversion of the polymer is obtained by treatment with a tertiary amine, quaternary ammonium base, or the salt of the amine or base.
Patent DE-2442453-A1 (DE)
Title: Colour TV CRT with selective shadow mask - has shadow mask fastening elements with apertures for conical lugs
Inventor: FUERST WALDEMAR
IPC: H01J29/07
Filed: 1974-09-05
Abstract: The colour television tube has inside the face plate part of the tube bulb a shadow mask, mounted with small spacing from the luminescent screen. The shadow mask has sevral lateral leaf spring fastening elements with openings for conical lugs at the face plate flange, thus forming a releasable securing of the shadow mask. Next to the openings the fastening elements (3) have each a bend (5) pointing to the flange, of such design and arrangement as to prevent inadvertent slipping of the shadow mask against the luminescent screen (7) during inserting or removing, owing to its abutting the respective conical lug (2).
Patent DE-2443438-A1 (DE)
Title: Liquid dispenser avoiding filter blockage - for intravenous feeding, blood decoagulation, etc.
Inventor: GIBERTONI LUCIO
IPC: A61M5/14
Filed: 1974-09-11
Abstract: Intravenous drip device comprises a drip chamber, a nozzle which is inserted in a receptacle and which is connected to the upper part of the drip chamber, and a flow-off pipe extending from the bottom of the drip chamber. On the bottom, inside the drip chamber, is a filter element consisting of antitoxic pref. pressed, foamed polyurethane, which is attached by its peripheral edge to the chamber bottom by high frequency welding. The foam contains a very high number of microspores which, although retaining all particles suspended in the liquid, do not allow blockage of the filter or any loss of load.
Patent DE-2444724-A1 (DE)
Title: Granulates mixed by air with radial blower - at base of mixing hopper with vertical air intake pipe
IPC: B01F33/40
Filed: 1974-09-19
Abstract: A mixer for pulvurent or granular matl. comprises a funnel-shaped mixing vessel with a standpipe mounted coaxially to the vertical axis of the mixing vessel and, concentrically inside this standpipe, an air supply pipe, this air supply pipe passes through the bottom of the mixing vessel into the suction chamber of a radial blower, so that air is drawn down the pipe, and is delivered from the periphery of the blower through radial inlet openings in the surrounding wall to the foot of the mixing vessel. Pref. the delivery chamber of the radial blower is an annular chamber surrounding the foot of the mixing vessel. The size of the openings through this foot wall can be pref. varied more specif. by relative rotation of an annular valve plate relative to the foot of the vessel. The blower is mounted in a convenient and relatively low position and, since the air pipe leads to the intake side, the air pipe can be coaxial to it.
Patent DE-2445326-A1 (DE)
Title: Synchronous coupling with recessed round key as driving member - with automatic disengagement device for packaging machine
Inventor: SCHEBIELLA GEORG
IPC: F16D43/26
Filed: 1974-09-23
Abstract: Coupling is operated by a lever attached to a round key which engages or releases the coupling depending on the key position. One end of the key is machined to about half its diameter. The driven member of the coupling has a semi-circular recess into which the key can fit when turned to its engagement position. The other end of the lever is fixed to a roller which operates in a track of a ring which is rotated by it. Braking of the ring relative to the coupling will turn the lever and bring the coupling to the disengage position, thus giving smooth disengagement of the drive. Applications for this type of coupling are the food packaging machines.
Patent DE-2445673-A1 (DE)
Title: Fireplace-mounted boiler - has steel water jacket and water cooled tubular grids
Inventor: HINTERDING HANS
IPC: F24B1/183
Filed: 1974-09-25
Abstract: The boiler consists of a steel water jacket, and has water-cooled tubular grids, to carry the fuel. Similar transverse boiler tubes are positioned in the upper boiler area. The flue gases are fed into a channel, extending at the front over the complete width of the fireplate. The heated water is fed via a circulation pump, into a heating system, and then to consumers, or directly to the consumers. Any surplus heat is stored by the heated water in a storage tank.
Patent DE-2448345-A1 (DE)
Title: Intercommunication and front door opening system in flats - has four-function contacts to switch loudspeakers in different ways to lines
Inventor: GROTHE CARL DIPL ING
IPC: H04M11/02
Filed: 1974-10-10
Abstract: The intercommunication and front door opening system, for blocks of flats etc., has control contacts (11-13) in the terminals (4) in the flats to separate the flat loudspeakers (9) from the lines (2, 3) to connect them over a ballast resistor (10) to the lines, to connect them directly to these lines or to short circuit them. The central station has a coupler (17, 18) that a.c. connects one (3) of the lines to the amplifier (24) and d.c. connects the same line to a resistance network that controls various transistors. During 'speak' the control contacts connect the loudspeaker via the ballast resistor to the lines.
Patent DE-2449376-A1 (DE)
Title: Circuit with at least one transistor - generates a high frequency output of controlled amplitude which is function of the load and supply voltage
Inventor: CAP HEINRICH
IPC: H03L5/00
Filed: 1974-10-17
Abstract: The voltage at the base of the transistor is generated, depending on the generated high frequency output amplitude, by a capacitor which is connected in series with a diode inserted into the base-frame circuit. It is automatically varied by a switching transistor which is continuously controlled by one of the half-waves of the fed back high frequency output voltage, so that a constant high frequency voltage amplitude, or a constant high frequency current appears at the circuit output.
Patent DE-2501895-A1 (DE)
Title: Heating power control for flexible wires and strips - is used where moving wires are heated inductively or conductively and has electronic control element
Inventor: KAUPERT WOLFGANG DIPL ING
IPC: G05D23/27
Filed: 1975-01-18
Abstract: At least one electric quantity in the heating circuit is used as an actual value, and a quantity related to the heated material velocity is processed. A two-loop cascade control is used, in which the voltage control in the heating circuit is based on the temperature of the material to be heated. The temperature controller control parameters are adjusted independently from each other, taking into consideration the velocity of the material to the heated or relative velocity between the heating device and heated material. An analogue quantity may be automatically changed together with changing space parameters. The temperature controller output signal is converted through a function generator into the control variable of the subordinate voltage control circuit.
Patent DE-2504559-A1 (DE)
Title: Bag filter for dust removal from flue gases - in which individual defective bags can be located and or sealed from outside
Inventor: PROTH NORBERT
IPC: B01D46/02
Filed: 1975-01-31
Abstract: A bag filter, esp. for filtration of dust from flue gases, having a large no. of tubular fabric filters, each of which is attached at its top end to a suspension and tensioning rod which is accessible from outside the filter plant. The bags are each connected at their lower ends to an inlet in a filter floor. The suspension rods are in the form of tubes and are provided with >=1 device by means of which defective filter bags can be located and/or sealed off during operation.
Patent DE-2505781-A1 (DE)
Title: Slicing machine for fruit and vegetables etc - is suitable for hard or soft fruit with choice of thickness of slice
Inventor: HELING PAUL
IPC: B26D7/01
Filed: 1975-02-12
Abstract: The machine consists of a board (10) mounted on a sloping base (12) so that the board is inclined at a small angle to the vertical. A knife blade (20) is fixed parallel to the plane of the board and inclined at an angle of about 20 deg. or 30 deg. to the horizontal. The board is mounted on the base (12) so that the gap between the board (10) and the blade can be adjusted to allow the blade to cut slices of different thicknesses. The food stuff is sliced by pressing it against the board (10) and pulling it over the knife blade (20). This design enables hard or soft fruit or vegetables to be sliced with equal ease.
Patent DE-2506387-A1 (DE)
Title: High speed stabilised linear drive motor - with thin flexible guide rail for low vibration
Inventor: GOTTZEIN EVELINE
IPC: B60L13/00
Filed: 1975-02-15
Abstract: The stationary part of the linear induction drive motor comprises a thin, flexible metal band (5) located between the two parts (3, 1) of the movable part of the motor. For high speed traction the flexibility of the band enables a thin airgap to be maintained, with adequate damping if the band supports are split into parallel arms. The band is enclosed by the upper and lower parts of the motor, and by a fixed wall (9) at one edge. The other edge of the airgap is enclosed by flaps (9) so that an air cushion is trapped in the system for added dampening effect.
Patent DE-2510239-A1 (DE)
Title: Rotary atomiser using high frequency pulsed gas stream - includes two circular discs with gas apertures
Inventor: HENTSCHEL HEIWALD DIPL ING
IPC: B05B3/10
Filed: 1975-03-08
Abstract: Rotary atomiser, liquids e.g. fuel oil, is of the type having a rotating atomising beaker with a free outer lip, surrounded annularly by a gas feed and with a liquid feed in the interior, but has a disc with circular periphery and gas aperture provided on the outer wall of the beaker upstream from the lip and a further disc, also with ciruclar periphery and gas apertures provided on the outer wall delimiting the gas feed, parallel to, but spaced a little way downstream from, the disc on the atomising beaker. This makes full use of the air so that a higher throughput for the same air quantity is produced than in the known atomisers, without significant increase in the size of the equipment.
Patent DE-2516528-A1 (DE)
Title: Fur panels for covering upholstered chair - have burr strips underneath for engaging textile surface
Inventor: KOENIG ROBERT
IPC: A47C31/11
Filed: 1975-04-15
Abstract: Fur or skin strips (6, 7, 8, 9) used to cover just the seat and back rest surfaces of an upholstered chair have underneath, near their outer edge a peripheral burr strip (10) which then engages in a touch and close fashion with the upholstery covering of the chair, such as velour or the like which has closed loops on its outer side. For extra non-slip effect a further burr strip (11) can be provided in the longitudinal direction of the fur strip, still on the underneath side.
Patent DE-2519226-A1 (DE)
Title: Reliable web of heat insulating hard foam material with backing - is formed by directly foaming sections onto moisture resisting backing
Inventor: PRIGNITZ HERBERT
IPC: E04D5/10
Filed: 1975-04-30
Abstract: A rollable sheet of thermal insulation consists of a hard foam material with a backing sheet projecting at one or both edges beyond the foam; the material contains vapour escape cavities and the foam is sub-divided by cuts, thus forming sections which are interconnected only by the backing sheet. These foam sections about directly against one another, so that there is no gap between them to reduce the insulating value and they are foamed directly on-to the backing sheet. The backing sheet may be a bitumen sealing sheet, or a roofing sheet material esp. of thermoplastics or elastomer. The front side of the foam, i.e. that remote from the backing sheet, which may possess an irregular surface, is pref. faced with a metal foil to constitute a vapour barrier.
Patent DE-2519251-A1 (DE)
Title: Working appliance with piston and cylinder - has piston rod and cylinder aperture of non-circular section to prevent turning
Inventor: PILZECKER REINHOLD
IPC: F15B15/14
Filed: 1975-04-30
Abstract: The working appliance consists of piston rod and cylinder, the rod being secured against turning relative to the cylinder. The piston rod (2) and its passage aperture (3) in the cylinder head (4) have a non-circular cross section. Both have a profiled circumference, which is completely or partly curved, and which partly extends in a straight line. The profile may be symmetrical or unsymmetrical, e.g. oval, or can be a polygon with rounded-off corners. The unit can be a telescopic piston unit anchored to the ground at one end.
Patent DE-2520007-A1 (DE)
Title: Underwater sound generator esp. for fisheries - has long tube filled with oil with pulsations sounding at end of/or along whole length
Inventor: SIEKE RAINER DIPL ING
IPC: G10K9/02
Filed: 1975-05-05
Abstract: In its simplest form, the sound generator consists of a long flexible tube (1) with, at its far end, a short length of pipe (2) terminated by a membrane (3), which is the sound source. Oil under pressure from pump (10) is admitted to the tube through a rotary intermittent valve (4) and released through a second similar valve (6) opening out of phase with the first via common drive (8). The rapid pulsations engendered in the oil generate the sound at the membrane. In a second form the flexible tube has an outer sleeve with short, narrow slits-some longitudinal some circumferential-along its length. The pulsating inner pipe (1) pumps water in and out of the slits, producing sound along the whole length of the tube.
Patent DE-2536455-A1 (DE)
Title: Electric load protection system - has series connected transistor switch inserted in one input lead to guard against polarity error
Inventor: WOETZEL HAGEN
IPC: H02H11/00
Filed: 1975-08-16
Abstract: The application is primarily to small loads connected to low voltage d.c. supplies where connection of the supply with reversed polarity is possible, and where such a connection could result in damage or malfunction. The line input terminal (UV) of the load (V) is connected to the collector of a transistor (T) whose emitter is connected to the supply terminal (UB). The base connection is joined to the zero volt or opposite polarity supply terminal (O) through a limiting resistor (W). With correct supply connection the transistor saturates and turn on, but with reversed polarity, it remains in the non-conducting state and thus acts as a polarity sensitive switch.
Patent DE-2537101-A1 (DE)
Title: Flexible modular antenna buffering unit - allows easy multiplexing of signals in series and other combinations
Inventor: EGGERT HANS ING GRAD
IPC: H05K7/02
Filed: 1975-08-20
Abstract: A flexible modular antenna servicing unit or block which can typically contain a shunt, amplifier or transformer circuit, allows easy multiplexing, series connection and the like of antenna signals. Basically the module consists of a box made of a suitable heat conductive plastics or aluminium extrusion (8), with a coaxial connection (4) at one end and a pair of coaxial connections (6, 7) at the other. Power supply connections are made via a socket arrangement (9) on one side of the box, and this also supports it physically. The modules may be connected serially, or side by side according to the application and can be mounted in either direction in their sockets.
Patent DE-2538839-A1 (DE)
Title: Bio:mass prepn. by aerobically cultivating mixed culture - of methylococcus capsulatus, methylosinus sporium incoloratus, methylsinus trichosporium rosaceous and flavobacterium gasotypicum
Inventor: GRIGORJAN ALFRED NIKITOWITSCH
IPC: C12N1/30
Filed: 1975-09-01
Abstract: The culture is on an aq. inorganic nutrient medium contg. gaseous hydrocarbons as G-source, sources of N, P, K, Mg and micro-elements, present as their corresp. salts. A mixed culture of bacteria 1-70 is used, consisting of a symbiotic mixt. of 4-microorganisms Methylococcus capsulatus, Methylosinus sporium variant incoloratus, ,Methylosinus, trichosporium variant rosaceus, Flavobacterium gasotypicum. During process, concn. ratio bio-mass: salts is kept at 1:1 - 4. Prod. can be used in agriculture, as feed additives; in food industry for prepn. of aminoacids and ferments; in mining, for charging to seam to reduce CH-4 content; in textile industry; to improve quality of materials. 35040 g/l. dry bio-mass can be obtd. in intermittent processes in 30-40 hrs. In a continuous process, flow rate can be 0.16 hr1 for dry bio-mass concn. 9-11 g/l. Bio-mass contains up to 75% raw protein, including 3% methionine, 7% lysine. Prod. also contains (w.r.t. dry material) 12 mg/kg vitamin B12, 40 mg/kg vitamin Bu and 75 mg/kg vitamin B2.
Patent DE-2539040-A1 (DE)
Title: Refractory brick for use in storage heaters - has series of circular elevations on side of brick nearest heating element
Inventor: MAURITZ WONTER DIPL ING
IPC: G21C11/08
Filed: 1975-09-02
Abstract: Heat storage and refractory bricks which are used for core of a storage heater may be built up into plates which accommodae bedded in heating elements. The individual elements are manufactured from a molten basalt maerial and are designed with a series of elevations on the side directed towads the heater element. The elevations are generally circular design and are sharply conical with truncated flat tops.