baber/WOPTO huggingface dataset:
Patent DE-2715153-A1 (DE)
Title: Pressurised beverage container and dispenser - uses pump or air bottle to pressurise flexible internal liq. holder bag
Inventor: RUETHER HERMANN
IPC: B65D83/00
Filed: 1977-04-05
Abstract: The drink container is fitted with an air bag (13) which can be deformed and increased in volume so as to exert pressure on the drink to discharge it. The air bag (13) is connected to an air supply element (14) fitted on the container (10) and is located inside the hollow housing. The air bag is made from a rubber or plastics foil material and has flexible or elastic characteristics. The air supply element can be a pump (14) or a compressed air bottle.
Patent DE-2716903-A1 (DE)
Title: Mounting method of ceramic catalyst carrier - fitted in IC engine exhaust in which carrier is first mounted on housing
Inventor: NEUMANN JOACHIM ING GRAD
IPC: F01N3/28
Filed: 1977-04-16
Abstract: A ceramic carrier body which carries a catalyser material is mounted in a metal housing. The housing is inserted in a combustion engine exhaust line. A ceramic interlayer is applied to the carrier body which is located between the metal housing and the carrier body. The interlayer expands when it is heated. During the assembly stage, the interlayer is applied to the carrier body in such a way that it exerts pressure on the carrier body. The heating of the interlayer is carried out by the hot exhaust gasses.
Patent DE-2720062-A1 (DE)
Title: Heart pacemaker system with connecting conductors - has housing with electrode conductor in silicone rubber strap preventing fracture
Inventor: BISPING HANS-JUERGEN DIPL ING
IPC: A61N1/375
Filed: 1977-05-05
Abstract: The heart pacemaker system consists of an electrode fixed in the heart and pacemaker implanted into the tissue pocket. The pacemaker housing accommodates electronic system and batteries and it has connections for the electrode conductors. The fracture of the electrode conductor is reliably prevented. The heart pacemaker housing (1) has a holding arrangement (4) in which the electrode conductor (2) is held flexibly and can be detached. This holder (4) has a support strap (7) made esp. of silicone rubber. This support strap is clamped pref. around the narrow edge of the pacemaker housing (1). The holder can be held in a dovetail groove (3) or opening of the pacemaker housing (1).
Patent DE-2722361-A1 (DE)
Title: Warehouse storage lines for goods on pallets - have two multi-part support surfaces on lines, with one fixed, and other surface vertically movable
Inventor: BRUDER HARALD
IPC: B65G1/06
Filed: 1977-05-17
Abstract: Goods are stored on pallets in a warehouse. The system uses pref. several storage lines arranged next to one another and over each other in parallel rows. At least two multi-part support surfaces for the pallets run along the lines. One of the surface is fixed while the other in the rest position is located below the lever of th first surface but is raised above it to transport a pallet. Both surfaces are pref. formed from several rails. The design eliminates slip between pallet and movable surface during its raising and lowering.
Patent DE-2729464-A1 (DE)
Title: Purification of silicon for mfr. of solar heating fuel cell - by melting, solidifying and treating with an acid mixt.
Inventor: DIETL JOSEF DIPL PHYS DR
IPC: C01B33/037
Filed: 1977-06-30
Abstract: Metallurgical grade silicon of >95% purity is purified by (a) melting, (b) solidifying at a rate of crystallisation growth of 50 cm/hr (10 cm/hr) and (c) leaching with an aq. HCl-HF acid mixt. Pref. the 95% pure Si is molten in a crucible of quartz, carbon or Si nitride and the melt is contacted for up to 1 hr. with fused salt such as Ca-, or Mg fluoride or a mixt. of Ca fluoride and K silicate, Mg fluoride and Mg silicate, or K silicate and Mg silicate, pref. K fluoride-K silicate at a ratio of fused salt to Si 2 : 1 to 4 : 1, in an oxidising atm., for example air. The melt may be stirred. Si si sepd. from the fused salt mixt. and allowed to solidify very slowly as specified. It is then ground to a size 500 mu and leached with an aq. acid soln. about 2-5 times the wt. of Si, at 10-90 degrees C for 12 hr. to 4 days. The purified Si is sepd. by filtering, washed and dried.
Patent DE-2730480-A1 (DE)
Title: Internal combustion engine exhaust system and silencer - uses tubes with multiple bores to cool exhaust gas
Inventor: LEISTRITZ HANS KARL DR
IPC: F01N13/16
Filed: 1977-07-06
Abstract: A silencer forming part of the exhaust system of an internal combustion engine consists of two concentric tubes (51, 52). These tubes are joined by radial walls (55) which extend longitudinally so that the annular space between the tubes is divided into a number of separate compartments (5). A cooling fluid flows in these compartments (5) in the opposite direction to the flow of gas in the central bore (50). The outer wall of the outer tube (52) has a number of radial fins (56) which also extend longitudinally. These fins help to dissipate the heat which has been transferred to the cooling medium by convection and radiation.
Patent DE-2734556-A1 (DE)
Title: Distance measuring equipment for sewer survey cameras - has microswitch operated by notches in hauling cable sheathing to check length of cable run
Inventor: DENZER ALBRECHT
IPC: G01B5/04
Filed: 1977-07-30
Abstract: The distance measuring system comprises a vehicle-based winch and recording unit by which a surveying camera is drawn along the sewer duct. A light cord is first floated down stream between manholes. A hauling cable and power supply cable is then attached so that the inspection camera may be drawn through the section of sewer under investigation. The distance gauge comprises a pair of pivoted, horizontal arms, each with a free-running roller at one end. The upper of the two arms has a bracket which carries a screw-adjustable striker plate. The lower arm is fitted with a microswitch whose plunger is operated by the plate on the upper arm. The hauling cable attached to the camera at one end and the winch at the other, passes between the rollers. The cable has a plastics sheathing which has notches at 25 cm intervals.
Patent DE-2735120-A1 (DE)
Title: NC lathe with four parallel tool spindles - has automatic sequence for releasing, rotating and relocking tool holders
Inventor: DORMEHL ERICH
IPC: B23Q16/10
Filed: 1977-08-04
Abstract: The multi spindle numerically controlled lathe has four tool holders (11-14) mounted on a carrier plate (6). The carrier plate is mounted on a slide (5) which brings the tools (11) into contact with the work pieces mounted on the corresponding spindles. The tool holders can be rotated about their individual axes by a central gear wheel which meshes with a pinion mounted on each tool holder. The tool holders are locked in their working position by Hirth couplings which are automatically released before the tool holders are rotated and then locked in the new position. The tool holders have actuators (16) to provide additional fine adjustments.
Patent DE-2738339-A1 (DE)
Title: Amplifier for hearing aid - has shift register delay line to reduce feedback between microphone and loudspeaker
Inventor: GOLDSCHMIDT RAINER
IPC: H04R25/00
Filed: 1977-08-25
Abstract: The amplifier, for a hearing aid, uses purely electronic methods to reduce feedback between microphone and loudspeaker and thereby makes the hearing aid mechanically simpler. An electronic delay line(14, 14') is connected between the output of the input amplifier(11) and the LP filter(13) connected to the loudspeaker(12). This delay line is an analogue shift register in bucket-brigade configuration. The delay line is in parallel with a pulse generator(15). Power is supplied from a battery(18) through a voltage converter (19).
Patent DE-2738803-A1 (DE)
Title: Prodn. of foamed glass slow-release fertiliser - by heating granules contg. sand and/or soil, phosphate, silicate and blowing agent
IPC: C05B7/00
Filed: 1977-08-29
Abstract: Prodn. of granular slow-release fertilisers is carried out by (a) finely grinding natural sand and/or soil and mixing with powdered alkali and/or alkaline earth metal phosphates and powdered alkali metal silicate contg. 10-20% bound water or other blowing agent; (b) granulating the mixt. with a refractory binder; (c) opt. drying and screening the granules; and (d) heating the granules at >600 degrees C in a rotating tube in the presence of a parting agent (to prevent agglomeration at the softening temp.e to produce a foamed glass granulate with a water-absorption capacity of 10-50 vol.%. Due to their high water retention, teh fertilisers are esp. suitable for use in tropical or subtropical desert regions with high temps., low rainfall and porous soil, making it possible to grow plants and grasses which would otherwise dry up under these conditions.
Patent DE-2742943-A1 (DE)
Title: Mesh screen for out of contact photocopier - has reinforcing struts at ends to tension mesh for flatness
Inventor: KIMURA KATSUHIKO
IPC: G03G15/05
Filed: 1977-09-23
Abstract: The photocopier has a photosensitive mesh (1) which is exposed with the image and which modulates an ion beam to selectively charge the copy sheet. The mesh is fitted between reinforcing bars (2a, 2b) by means of which it can be secured in the machine. The bars enable the mesh to be kept flat without creasing. The bars have a round profile with flats on one edge to secure the mesh. The mesh can also be wound over a forming cylinder.
Patent DE-2756709-A1 (DE)
Title: Encapsulating system for thick-film circuits - has circuit and LED mounted on opposite sides of support which forms labyrinth-type seal with housing to leave led exposed
Inventor: GUENTHER DIETER DIPL PHYS
IPC: H05K5/06
Filed: 1977-12-20
Abstract: The encapsulating system, for circuits containing thick-film and non-thick-film compatible components, has the thick-film components mounted on a substrate on one side of an assembly vessel and the non-thickfilm components, e.g. LEDs, on the other side. The assembly vessel (1) is placed inside a transparent housing (8) open at one end. A labyrinth-type seal is formed with the vessel by ridges (14) at the bottom of the housing. The housing is filled with a suitable encapsulant (11). The non-thick-film components are thereby still visible and accessible after encapsulation.
Patent DE-2757235-A1 (DE)
Title: Optical scanning system with backward reflection - uses multiple cross principle with parallel lines as scanning tracks excited at speed of rotating element
Inventor: WU PAUL S
IPC: G02B26/12
Filed: 1977-12-22
Abstract: The backward reflecting optical scanning system operates on the multiple-X principle. It can be used in sales point applications, where the articles are fitted with coded labels and automatically scanned at a station. The scanning tracks consists of a number of parallel lineS. Adjacent tracks are excited in accordance with the speed of a rotating element. The reflecting medium is formed by ten reflecting mirrors (141-145, a, b) arranged around the shaft of the rotating element.
Patent DE-2759197-A1 (DE)
Title: Regulating system for hydrostatic vehicle drive - uses differential pressure control signal to derive setting signals for control elements according to state of drive
Inventor: NIKOLAUS HEINRICH PROF DR ING
IPC: B60W30/18
Filed: 1977-12-31
Abstract: The regulating system uses a single input signal, combined with a signal dependent on the rotation of the drive motor to provide a control signal. This is supplied to a control circuit comprising the drive motor, the hydrostatic transmission, the load and additional load coupled directly to the motor in a regulating loop. The single control signal, i.e. the differential pressure at a throttle point in the control circuit, is used to derive several setting signals for the control elements according to the state of the drive. These states include partial and limit loading, and normal and emergency braking.
Patent DE-2804245-A1 (DE)
Title: Coupling arm for toy railway coach - has pivot location in wheel bogie slider block with movement limited by radius arm
Inventor: SIHLER HELMUT
IPC: A63H19/18
Filed: 1978-02-01
Abstract: The bogie frame (4) on a toy railway coach has a pivot location in the coach floor. A double crank lever (3) is located in the front end of the coach floor (2), and with its second pivot (10) in a slot in the wheel bogie. The coupling arm (6) is also located by the second pivot pin (10). When the bogie pivots about its location (15), the crank arm swings away from its central position and the slider block (5) which carries the coupling arm moves in its location slot in the wheel bogie.
Patent DE-2805092-A1 (DE)
Title: Spring loaded ski brake - has brake shoes which are retracted if braking force becomes excessive
Inventor: RICHERT MANFRED
IPC: A63C7/10
Filed: 1978-02-07
Abstract: A ski (20) is fitted with a brake consisting of two arms (11) attached to L-shaped levers (12) which pivot in a bracket (18). Each arm (11) has a shoe (14) with a serrated outer surface (14) mounted so that it can slide along the arm. A compression spring (17) normally keeps the shoe (14) in its extended position but if the braking force becomes excessive, the spring force is overcome so that the shoe is withdrawn from the snow and the braking force is reduced. Variations of the basic idea use leaf springs instead of compression springs.
Patent DE-2807017-A1 (DE)
Title: Multipole codable electrical connector - has slotted orifices located between current carrying pin and socket inserts for coding pieces
Inventor: SIMMACK WERNER
IPC: H01R13/645
Filed: 1978-02-18
Abstract: The multi-pole codable connector comprises a plug-part and a socket part with a false-polarity prevention device. The connector can be used in a multi-connector system without the risk of faulty connection of the plug and socket parts. In the insulation part of the connector, between the current carrying pin inserts or socket inserts, are provided slotted orifices for insertion of coding pieces. The latter are specifically shaped spring-loaded parts whose elastically deformable limbs are fitted with hooked ends for gripping under the edges of the slotted orifices.
Patent DE-2810928-A1 (DE)
Title: Fall prevention safety device on building roof - provides connection to wire cable by sliding clamping lock
Inventor: MOSER KARL
IPC: A62B35/04
Filed: 1978-03-14
Abstract: The device ensures safety of building workers, or others, or objects, in dangerous positions from which they might fall - such as carpenters working on a roof. An object or person is linked to a wire cable (12), running in the plane of movement, by a clamping lock (14) which is displaced along the wire. Such a cable can be stretched on the top of a roof truss (10) across steel tubular supports (11). Personnel can wear a retaining belt connected to the clamping lock. This is easily applied in rough building site conditions, affording min. hindrance to work and providing complete security.
Patent DE-2813390-A1 (DE)
Title: Cigarette box with folding cap - has sleeve fitting inside top part of box and held to front of box with narrow Z-folded strips
Inventor: FOCKE HEINZ
IPC: B65D85/10
Filed: 1978-03-28
Abstract: The cigarette box has a folding cap and a sleeve which is covered when the cap is folded back. A one piece blank is cut out and is then folded to make the box and the sleeve. The part of the blank corresponding to the sleeve is formed by cutting out an aperture in the blank so that the sleeve remains bound to the front wall of the box only by a pair of lateral strips. The sleeve is brought into contact with the inner side of the front wall by Z-folding the lateral strips and the central part of the sleeves is placed in direct contact with the inner side of the front wall. The packet is formed from a single sheet of the paper or cardboard. The blank is cut or stamped out in one simple operation. The folding is simple to achieve and produces a box of good appearance which exposes the ends of the cigarettes for easy removal when the top of the box is folded back.
Patent DE-2820760-A1 (DE)
Title: Hydroelectric generator for use in rivers - has pivoted blades on guide rods moved by flow of water
Inventor: SCHATTA MARTIN
IPC: F03B17/06
Filed: 1978-05-12
Abstract: Vertical standpipes carry horizontal guide rods between them. The guide rods are supported in the river by floats at their ends. A travelling cage runs on rollers on each guide rod. A hinged blade is attached to the top of each cage and the blades on the upper and lower cages are connected to each other by a chain which runs over pulleys on one of the standpipes. The pulleys are mounted on the shaft extensions of electric generators. The flow of the stream forces one blade forward whilst the other is pulled back. This is hinged forward to offer no resistance to the movement.
Patent DE-2826600-A1 (DE)
Title: Seeding table for use in greenhouse - has base supported on rollers with stops limiting their rotation
IPC: A01G9/14
Filed: 1978-06-19
Abstract: A trough-shaped table bed rests on a base, and between the base and the table bed underside are roller elements. The roller elements consists of round bars (5) aligned parallel to the table bed longitudinal axis. As a fixing device, one of the bars has a stop which limits it rotation and can be brought into the region at its roller path. The stop is a sheath section (6) which grips around the bar (5) and has radial projections (7, 8). The bar and sheath section can be engaged and disengaged from each other.
Patent DE-2834280-A1 (DE)
Title: Scrambled speech transmission system - divides signals into time elements which are rearranged and read out at higher speed and gaps filled with additional signals
Inventor: BRUSCH JOSEF ING GRAD
IPC: H04K1/06
Filed: 1978-08-04
Abstract: The system has a store in which the signals are divided in time elements which are consecutively stored. They are rearranged in different order at a higher speed, forming quasi-statistical gaps which are filled with additional signals and transmitted. At the receiver the additional signals in the gaps are eliminated, remaining signals stored at a higher speed, rearranged in the original order and read out at a normal speed. The quasi-statistical gaps position and/or duration are produced without consideration for the time frame determined by the limits of the time elements.
Patent DE-2836303-A1 (DE)
Title: Hand-held miniature esp. for child record player - has card with disc recording scanned by rotating pick=up and has small battery driven electric motor
Inventor: DOERING ERICH
IPC: G11B25/04
Filed: 1978-08-18
Abstract: A pocket sized record player is inteded for use by children and utilises cards containing spiral groove recording. The card (30) is inserted into a fixed position beneath a cover (1). The pick-up arm is mounted on a rotating disc (15), such that the pick-up needle follows the grooves of the recording. The disc is belt driven (17) by a small electric motor (19) which is battery powered (23). Signals from the pick-up are amplified (26) and are played back through a loudspeaker.
Patent DE-2843195-A1 (DE)
Title: Condensed-ring derivs. of purine(s) - for treatment of cardiovascular disorders
Inventor: SZEBENI RUDOLF DR
IPC: C07D513/14
Filed: 1978-10-04
Abstract: Purine derivs. of formula (I) and their acid-addition salts are new (where R is OH, alkoxy or acyloxy; R is S or =N.R1; R1 is H. 1-5C alkyl or aralkyl, or 2-4C acyl). Six specifically claimed cpds. include 1,3-dimethyl-2,4-dioxo-7-hydroxy-9-benzyl-6,7,8,9-tetrahydro-pyri- mido 2,1-f purine and 1,3-dimethyl-2,4-dioxo-7-acetoxy-6,7,8,9-tetrahydro-thiazino 2,1-- f -purine. Used for the treatment of cardiovascular disorders. A typical cpd., 1,3-dimethyl-2,4-dioxo-7-hydroxy-9-benzyl-6,7,8,9-tetrahydropyrim- ido 2,1-f)purine, was prepd. by heating a mixt. of 8-benzylaminotheophylline and epichlorohydrin for 110h.
Patent DE-2847212-A1 (DE)
Title: Water-powered floating generator - is driven by chain drive to flaps displaced by water flow inside fixed ducts
Inventor: WELTER JOHANN
IPC: B63B35/00
Filed: 1978-10-30
Abstract: A water driven generator ship uses a flow of water through special ducts along the inside of the hull. A series of chain-linked thrust flaps is displaced by this water-flow. The flaps operate chain drives to integral generators. The system provides a simple lay-out for the generators, with no permanent site required. The water-flow follows a meandering duct through the anchored bull to increase the effective coupling to the flaps.
Patent DE-2900673-A1 (DE)
Title: Connector for use with terminal pin strip - has socket housing chambers with stamped sheet metal female contacts with sprung arms
Inventor: KOENNEMANN ALFRED ING GRAD
IPC: H01R4/48
Filed: 1979-01-10
Abstract: The connector comprises a housing (2) and a lid (1). The housing contains a contact spring assembly (10) made from a single piece sheet metal stamping. Each spring includes two parallel arms (11, 12) which bend at right angles (20) at the bottom (18) of the housing. In the short section (15) between the arm is a hole into which a connector pin (6), attached to a terinal strip, can enter with an interference fit. The single piece arrangement gives even pressure both sides of the contact pin (6) and also assists in preventing movement of the spring in the housing. The free ends of the spring form a barb (30) and contact face (31) between which the bared end (7) of an incoming wire (8) can be pushed. The spring arm base may be coupled near the lid to fin clamping spring. The whole assembly can be fitted and wired without the use of special tools.
Patent DE-2902571-A1 (DE)
Title: Eccentric press with manual feed - has driven eccentric shaft with flywheels, which drives hydraulic pump with changeover valve for ram control
Inventor: BAUER HELMUTH
IPC: B30B1/00
Filed: 1979-01-24
Abstract: The ram (22) of an eccentric press is indirectly driven by a hydraulic piston pump (9a) for increased operational safety and soft operation preventing peak loads. A motor driven eccentric shaft is rigidly coupled to flywheels (6). The shaft drives the hydraulic piston pump, supplied from a sump (13). Behind the pump is provided a change-over valve (16), adjustable by the hydraulic liquid flow. The flow corresponds to a reversible stream of hydraulic liquid from and to the sump, corresponding to a no-load position at the beginning of a working stroke. During the stroke the valve responds to an outlet delivery to the hydraulically operated ram, which can be brought back to its starting position after the end of each pump piston stroke.
Patent DE-2903285-A1 (DE)
Title: Motor vehicle door or boot lock - has electric switch as holder for latching pawl position, in which it releases tooth segment with locking bolt
Inventor: SEEL HOLGER
IPC: E05B85/26
Filed: 1979-01-29
Abstract: The vehicle has a holder secured to its respective body part and a lock unit connected to the door, or boot etc. The unit has a bearing for the locking bolt with a connected toothed segment, which has pref. two locking teeth. The segment is latched in its locking position bya latching member moved by the lock actuator. In this position the locking bolt abuts the body mounted holder. The latching member can be pivoted or slid by the actuator in which the toothed segment and also the locking bolt are released, thus being brought out of contact with the holders. The latching element (8) is held in a position in which the toothed segment (7) is released by a device (16). The toothed segment, or a connected component, has a stop (25) which, in conjunction with a corresponding stop (30) actuates a movement of the latching member in a position for locking the toothed segment. The stop (25) may have an attachment by which the latching member can be moved only when it has gripped behined a locking tooth (12). The stops cooperate with a switch for actuating electric circuit.