baber/WOPTO huggingface dataset:
Patent DE-1812500-A1 (DE)
Title: Concrete pump has two cylinders moving relative to fill-hopper - with intermediate space surrounded by resilient seal
Inventor: L ZINGA WILLIAM
IPC: F04B15/02
Filed: 1968-12-04
Abstract: The pump has the cylinders secured on a common plate and the hopper is provided with a flat closure plate with an orifice. A transport tube is arranged centrally in the orifice and extends to the cylinder plate. The two plates are arranged at a distance from one another thus forming an intermediate space extending over the full opening range of the hopper, this space being bounded by the resilient seal. The seal preferably consists of a resilient tube capable of passing lubricant and provided with outlet orifices directed towards the cylinder plate.
Patent DE-1817982-A1 (DE)
Title: Straightening continuously moving thin- - walled pipes
Inventor: POPOW BORIS W
IPC: B21D3/06
Filed: 1968-10-01
Abstract: Continuously moving pipes, bars, rods and the like are straightened by a machine having straightening rolls between feed mechanisms for the elongated articles. The article is pulled through tongue formed by the rolls, and these and the straightening rolls are installed in three or more separate casings which can be rotated in succession along the feed axis. They are connected with individual drive mechanisms which rotate adjacent casings in opposite directions relative to a common geometrical axis. The straightening machine effects straightening without residual deformation of the pipe material.
Patent DE-1912865-A1 (DE)
Title: Magnesium hydroxide production from - dolomite and salt solution
Inventor: MERRIL THOMPSON IVAN
IPC: C01F5/16
Filed: 1969-03-13
Abstract: Slake dolime (calcined dolomite) containing Ca (OH)2 and MgO is reacted with aqs. salt soln. containing Mg halide and CaCl2 giving initial Mg(OH)2 precipitate and aqs. mother liquor containing CaCl2 and solid MgO from dolime; Mg(OH)2 and MgO solids are contacted with mother liquor for 4-12 hr. at 25-100 degrees C, so that almost all MgO is converted to Mg(OH)2; then Mg(OH)2 is separated from mother liquor. Improved process gives dehydratable, pumpable Mg(OH)2 sludge, which can be reconverted to suspension. After drying, product has greater surface area than usual. Calcination gives MgO with high bulk density.
Patent DE-1928863-A1 (DE)
Title: Reel for unwinding metal wire and strip - coils
Inventor: DIEKMANN ARTUR
IPC: B21C47/28
Filed: 1969-06-06
Abstract: Reel for unwinding metal wire and strip coils This has a mechanical wire rotating the drum on to which the coil is wound. After starting drum rotation, the drive is switched off automatically. Spec., a brake cooperates with the drum and is applied by a controller of the machine when the reel is switched off.
Patent DE-1936832-A1 (DE)
Title: Fabric shaping appliance eg for making - brassiere cups
Inventor: BECKER MARVIN
IPC: D06M23/14
Filed: 1969-07-19
Abstract: The fabric has a thermoplastic content (e.g. polyester or similar yarn) and is shaped by at least one heated former which may be generally conical and acts like a punch, while the fabric is held at its edges in a clamp, etc. When the resultant fabric cup, etc. is stripped from this former, it may be turned inside out, and is transferred to an oppositely-acting cooled former which completes the shaping operation while minimising distortion.
Patent DE-1944874-A1 (DE)
Title: Purification of benzalkanium chloride
Inventor: WEISS FRANZ
IPC: A01N31/12
Filed: 1969-09-04
Abstract: The chloride is in known manner separated from insoluble fatty acid to leave the soluble chloride and soluble fatty alcohol sulphates. Finally after several purification steps, the mixture is separated by a centrifuge. The product can be used as a disinfectant.
Patent DE-1951631-A1 (DE)
Title: Pliable filling material
Inventor: LEPPER WILHELM DR-ING
Filed: 1969-10-14
Abstract: A suitable wool structure of metal, plastic or wood, is impregnated with a foam material under vacuum, and the foam activated by heat so that all the air spaces in the wool are filled, and the wool structure coated with the foam. The resulting material provides thermal and acoustic insulation material, and also a bullet-proof cladding.
Patent DE-2054022-A1 (DE)
Title: Plastic foil - soluble in organic solvents, applied to adhesive surfaces to prevent premature sticking
IPC: C09D5/20
Filed: 1970-11-03
Abstract: Use of foil which readily dissolves in organic solvents for covering adhesive-or sealing composns. prevents premature adhesion, e.g. during transport, of prefabricated components provided with plastic sealing composn. which could stick to other components. Foil materials include cellulose ethers or esters, polyvinyl ethers or esters, polyvinyl alcohol, highly plasticised polyvinyl chloride, modified alkyd resins, polyisobutylene, and partic. polystyrene esp. extruded polystyrene foam. Foil can be applied as a lacquer composn. and formed in situ. A suitable protective lacquer consists of 20 wt. % polystyrene, 5 wt.% dioctyl phthalate and 75 wt.% MeEtCO.
Patent DE-2133319-A1 (DE)
Title: Cheap household machines - esp hand operated bread or bean slicers by making the drive cog wheel and its axis in one pie
Inventor: PFAU ERICH
IPC: A47J43/08
Filed: 1971-07-05
Abstract: The axis connects to the handle and has on its free end a thread. The wheel and axis are made by the die cast process when metal, pref. Al, brass or Zn, is used and by the injection moulding process when plastic, esp. an injection moulding polyamide, is used. Construction is simpler and the machine more robust.
Patent DE-2135915-A1 (DE)
Title: Blind stitching - with fabric holders which can work thin fabrics
Inventor: SOMMERSCHUH LOTHAR
IPC: D05B85/06
Filed: 1971-07-17
Abstract: The operation of a hand grip, working through a series of grooved cams, allows the movable right fabric holder assembly, with its fabric folder and presser to be brought within 1-2 mm of the matching components in a fixed assembly on the left hand side of the sewing machine. The purpose is to allow blind stitching to be executed with thin fabrics as well as conventional thickner fabrics such as in women's outerwear.
Patent DE-2139024-A1 (DE)
Title: Aq foam compsn for blanketing underground explosions - contg wetting agent, alcohol, solubilising aid, and film-forming polymer, gives rigid stable foam
Inventor: BROELL RICHARD DR
IPC: E21F5/14
Filed: 1971-08-04
Abstract: A foaming compsn. for prodn. of foam in galleries, to avoid dust formation and fire-damp ignition, contains an anionic synthetic wetting agent, a fatty alcohol, water, a solubilising aid for the alcohol, an an aq. dispersion of a film-forming synthetic material, pref. a copolymer of vinyl acetate or propionate with a dialkyl maleate or ethylene, or a SB copolymer. The compsn. is used in underground operations, esp. coal mining. The compsn. has a steep angle of slope and runs away only slowly. The foam has high rigidity and stability.
Patent DE-2154785-A1 (DE)
Title: Aspirator/purifier - for diry gas contaminated with phenols resins etc
Inventor: HOELTER HEINZ
IPC: B01D53/34
Filed: 1971-11-04
Abstract: A coaxial jet pump assembly has a central aspirator fed by a compressed air source, which is adjustable, and within the outer nozzle, in front of the aspiration nozzle for the raw gas, is a burner fed by a continuous gas supply. An outer double nozzle shaped cowl around the jet pump has secondary air inlets, regulated by valves, at its rear end and this secondary air supports the combustion of the organic products in the dirty gas and also cools the metal surfaces of the jet pump outer nozzle and cowl.
Patent DE-2235197-A1 (DE)
Title: Laminate contg heat-curing resin and titanium oxide - suitable for perforation at normal temps
Inventor: DOI KAZUO
IPC: D21H13/40
Filed: 1972-07-18
Abstract: A laminate comprises a base e.g. paper, glass-fibre cloth, synthetic textile, combined with a heat-curable resin (e.g. PF) and a Ti-oxide (e.g. TiO, TiO2, TiO3). Prods. are used as electrical engineering elements, having no tendency to buckling, tearing or chipping on perforation or punching, without adverse effect on insulating characteristics, resistance to water, chemicals, heat or mech. strength.
Patent DE-2306354-A1 (DE)
Title: Aluminium phosphate prepn - by dissolving aluminium-contg material in sulphurous acid and treating the soln with calcium phosphate
IPC: C01B25/36
Filed: 1973-02-09
Abstract: AlPO4 is produced by prepg. in the known way an Al(HSO3)3 soln., treating with calcium phosphate to form a soln. contg. Al, H3PO4 and Ca(HSO3)2; heating the mixt. in a closed vessel to >100 degrees C without decomposing sulphurous acid, whereby AlPO4 is pptd., and removing AlPO4. The remaining soln. can be used in the prodn. of cellulose by the sulphite method. Opt. the Ca(HSO3)i contg. soln. can be treated with MgSO4 or Na2SO4 to ppte CaSO4 and form Mg(HSO3)2 or NaHSO3; after the removal of CaSO4, the process is continued as described above. By this method, AlPO4 practically free of CaSO4 and S is obtd.
Patent DE-2323599-A1 (DE)
Title: Packing and sealing pourable material - by machine which welds double thickness plastic film
Inventor: BREE WENNEMAR
IPC: B65B9/22
Filed: 1973-05-10
Abstract: Double-thickness film (e.g., polyethylene) is welded together at one side and then drawn over a filling funnel and welded across and along the open side. The welding device draws the required length at a time. One pair of inclined baffles guides the double film at its pre-welded seam side and another inclined pair, pointing in the opposite direction, guides it by the filling point, so that the open side is effectively welded together.
Patent DE-2326556-A1 (DE)
Title: Rolling cutter for thick lengths of material - has cutting body and blade of upper knife rigidly attached to upper shaft
Inventor: BAUMANN KARL HEINZ
IPC: B26D1/24
Filed: 1973-05-24
Abstract: A lower knife is held radially fast to a lower shaft, but resiliently axially. The lower knife is guided by a wedge and groove connection, either directly on the lower shaft or on an intermediate bushing, for displacement axially between two mountings. The lower knife is loaded by a plate spring toward the cutting edge of the upper knife. Pref. the biassing springs for the lower knife are mounted through bores in a ring shaped mounting plate.
Patent DE-2327348-A1 (DE)
Title: Open end spinning cup feed roller drive - formed by pinion and toothed belt supported by resp. movable cup housing parts
Inventor: STAHLECKER FRITZ
IPC: D01H4/30
Filed: 1973-05-29
Abstract: Feed roller drive assembly for an open-end spinning cup plant comprises a number of spinning cups all driven by the same drive with an endless toothed belt mounted on a stationary part of the plant frame which also supports the cups and a pinion associated with the feed roller and mounted on a movable part of the plant frame, the pinion meshing with the belt in the juxtaposed condition of the plant frame parts.
Patent DE-2340648-A1 (DE)
Title: Burner nozzle for gas filled lighters - has a tubular nozzle and a turbulence generating helical coil
Inventor: MOHR WALTER
IPC: F23Q2/16
Filed: 1973-08-10
Abstract: Lighter nozzle arrangement promotes good ignition of the gas stream emerging from the nozzle. The turbulent flow ensures good mixing of air and gas which is readily ignited by an electric spark. The nozzle has a central outlet and lateral radial openings. The gas emerging from these radial openings enters an annular chamber and flows with turbulence promoted by a helical wire winding. The gas flow has hence a turbulent envelope and laminar core. The turbulent flow improves mixing with air and hence improves the ignition by the electric spark.
Patent DE-2348101-A1 (DE)
Title: Combine harvester with straw shaker - with interconnected sidewalls displaceable by eccentric shafts
Inventor: PEILER ROLF DIPL ING
IPC: A01F12/30
Filed: 1973-09-25
Abstract: Combine harvester with a straw shaker consisting of at least two parallel interconnected sidewalls which are displaceable by eccentric shafts has the two sidewalls mutually adjustable on displacement of the shaker by a shaft. Pref. a base in the shaker and a return floor are elastic and connected to the sidewalls; the shaker floor or parts forming it are connected by hinges to the sidewalls, and the return floor has a longitudinal groove at each longitudinal side, to receive angled guide elements on the sidewalls, and is secured by flexible connector(s) attachable at one end to its underside and at the other to a sidewall. No residues remain in the shaker or on the connecting parts.
Patent DE-2357207-A1 (DE)
Title: Wear indicator for disc brakes on tracked vehicle - has pneumatic indicator valve operated by brake pad support
Inventor: POELLINGER HANS
IPC: F16D66/02
Filed: 1973-11-16
Abstract: The brake pads on either side of a brake disc are carried by swing arm supports. Each arm carries a rigid lever such that the set screws on the lever end are placed side by side. A normally closed, mechanically operated spring return valve is located above the two set screws. When the brakes are applied with the pad thickness acceptable, the set screws will not operate the sensor valve thus the test display will give a corresponding indication. With the brake pads worn, the sensor valve is operated when the brakes are applied, this in turn will give an appropriate test indication.
Patent DE-2358917-A1 (DE)
Title: Ultra-thin unsintered poly-tetrafluoroethylene tape prodn - by pressing, for lubricating layer of (poly-imide)-insulated cable
Inventor: JACOBSON OBI
IPC: H01B13/06
Filed: 1973-11-27
Abstract: Extremely thin, unsintered PTFE tape is produced by pressing, so that it is free from fibre orientation. It can be applied to a conductor as lubricating layer below the actual insulation and the entire cable subjected to heat treatment so that th PTFE layer sinters and the insulating layers are either bonded by a high temp. adhesive or sintered at the same time. The tape can also be sintered with other insulating matls. by heating. It can be moulded parallel around the conductor, instead of winding helically. Used esp. with wrapped polyimide insulation for cables used in aircraft and satellites, where lightness and extreme thinness are important.
Patent DE-2363212-A1 (DE)
Title: Counter for components produced by automatic lathe - cannot register count if machine cycle starts without workpiece in position
Inventor: SIRK WALTER ULO
IPC: G06M1/10
Filed: 1973-12-19
Abstract: A system for counting components produced on machine tools such as automatic and semi-automatic lathes comprises a first switch or valve operated by a component positioned in the machine tool and a second switch or valve operated when the machine cycle is initiated. Both switches or valves are connected to a counter in such a manner that a count is recorded only if both switches or valves are operated. Thus the count is not falsified if a machine cycle is performed without a workpiece. The first switch is associated with the bar stop of the lathe. The switches may be poppet valves connected to a pneumatic counter through a spool valve, or they may be microswitches connected to an electrical impulse counter through a latching relay.
Patent DE-2400723-A1 (DE)
Title: Automatic load safety cut-out cct - responsive to short-cct or open-cct across working cct element
Inventor: GEHL WILFRIED DIPL ING
IPC: H03K17/95
Filed: 1974-01-08
Abstract: The circuit employs a contactless initiator, connected via a two wire line with an amplifier, across which the load is connected. The failure of one of the working circuit elements of the initiator and/or the amplifier and/or the load, causes a warning signal to be initiated, and the load is cutout. The initiator preferably comprises an oscillator with a transistor whose base emitter path includes a parallel resonance circuit, with a further parallel capacitor and inductor in the transistor emitter-collector path, a resistor being connected between the two capacitors and the two inductors.
Patent DE-2403995-A1 (DE)
Title: Lock switch with semi-cylindrical locking element - is actuated by cylinder lock pin via transmission element
Inventor: BAUMGART FRITZ RICHARD
IPC: H01H27/06
Filed: 1974-01-29
Abstract: The housing of the lock switch contains a profiled semi-cylindrical lock whose pin actuates the switch proper of multiple action type with reciprocating switching element. In the moving path of the locking cylinder pin is mounted a transmission element in engagement with the setting member of the switch. This transmission element converts the rotary motion of the pin into a reciprocal switching movement of the setting member. Preferably the transmission element is a lever pivotally mounted over the upper side of the cylinder lock at one end, while near the other end it engages the setting element of the switch. Alternately the lever is formed by a leaf spring fixed at one end. The transmission member may be driven in the direction of the cylinder by a resetting spring.
Patent DE-2404242-A1 (DE)
Title: Refractory brick cover for sunken oven - rectangular frame encloses removable refractory bricks
Inventor: STEIN HERMANN
IPC: F27D1/18
Filed: 1974-01-30
Abstract: A cover for a sunken oven has a rectangular frame which rests on a frame around the open top, in which is supported a set of ceramic bricks, constructed so that they can be removed for replacement in the direction of insertion. A groove between an outer row and an inner block is tapered, with its narrow neck downwards, and into this groove fits the vertical portion of a row of L shaped bricks, the vertical portion being tapered accordingly. There may be two parallel rows of ceramic bricks or stones.
Patent DE-2406253-A1 (DE)
Title: Roll-back protection for vehicle - with freewheel ratchet on gear box lifted by engaging reverse
IPC: F16H3/091
Filed: 1974-02-09
Abstract: When stopping on inclines drivers sometimes forget to pull up the handbrake and let the vehicle roll back. Heavy commercial vehicles are difficult to hold on the handbrake, especially when driving intermittently up inclines. The invention provides a freewheel assembly on the output shaft from the gearbox. This allows the output shaft to rotate in the forward direction and automatically blocks the reverse direction. The freewheel is fitted with a release mechanism coupled to the gear lever so that when reverse gear is selected the drive is unblocked. For electric or hydraulic drives the freewheel is fitted to the output shaft of the motor.
Patent DE-2407680-A1 (DE)
Title: Remote DC supply for repeaters in transmission system - uses inner conductors of coaxial pairs
Inventor: FEIL HANS A DR
IPC: H04B3/44
Filed: 1974-02-18
Abstract: When two or more signal frequency bands are transmitted through a common coaxial pair, repeaters for the same transmission direction allocated to different frequency bands are connected in each repeater station in series for the supply current. A supply current separation filter is provided before or after bandpass filters for different frequency bands. If repeaters for different frequency bands consume different currents, a resistor is connected in parallel with the lowest consumption repeater. Where subsidiary repeaters are provided with amplifiers for only one frequency band, the missing amplifier for the second frequency band is replaced by appropriate bridging networks.
Patent DE-2408031-A1 (DE)
Title: Thread winding reel - comprising a fixed spool onto which thread is wound by a rotating arm
Inventor: GAWRONSKI MICHAEL
IPC: B65H54/82
Filed: 1974-02-20
Abstract: The thread is wound onto a stationary horizontal spool by an arm rotating about a vertical axis, the spool being supported by a bearing on the arm driving shaft. The spool has dog clutch faces extending at right angles to it and along its axis and engaging with mating stationary faces inside the coils falling off the spool, so as to prevent the spool turning. The canister accommodating the coils falling off the spool can be mounted below the latter and carry the stationary faces, being itself secured at its base so that it cannot rotate, typically by means of lugs on both sides, bearing against guide rails secured to the floor.
Patent DE-2408336-A1 (DE)
Title: Light alloy tipping skip - with strong metal cladding to reduce wear on floor inside surfaces
Inventor: FEHRMANN HEINZ
IPC: B60P1/28
Filed: 1974-02-21
Abstract: The skip is cast out of a light metal alloy, complete with reinforcing ribs which give it rigidity for tipping rearwards and to either side. The floor of the skip is clad in a strong metal sheet, e.g. stainless steel, to increase the life of the skip w.r.t. wear. The meatl sheets are located by stubs and can be fitted during the casting so that they are held in place when the light alloy contracts at a differential rate. Alternatively they can be bolted, welded, or rivetted in place and can be replaced when damaged or worn.
Patent DE-2408873-A1 (DE)
Title: Water insol. complex formers - from polycarboxylic acids and polyisocyanates useful in cleaning agentts and water softeners
IPC: C08G18/08
Filed: 1974-02-23
Abstract: Prodn. of water-insol. org. complex formers having high binding ability for Ca++ and/or Mg++ ions comprises reacting water-sol. practically non-cross-linked polycarboxylic acids having a degree of polymsn. 50-5000, >=33 carboxyl gps./100 monomer units in the polymer chain and an acid eq. wt. of is not > 130, in soln. in a solvent inert to NCO gps. and in the presence of a known catalyst system for the reaction of isocyanates with H-acid cpds. with 0.5-7 mols. of a polysiocyanate/mol. of the polycarboxylic acid, and opt. converting the acid formed into a water-insol. alkali metal or ammonium salt. The prods. are useful as builders for washing and cleaning agents, as water softeners or for purifying waste water from the galvanising industry.
Patent DE-2409779-A1 (DE)
Title: Fence with intruder alarm equipment - uses several endless wires in continuous motion
Inventor: MEINCKE WOLFGANG
IPC: G08B13/12
Filed: 1974-03-01
Abstract: The wires run between fixed and free pulleys and the tension is kept constant by springs between the free pulleys and the support post. The fixed pulleys are rotated by a drive motor. The pulleys are mounted on support posts with covers enclosing the sets of pulleys and detectors to give an alarm if the wire tension should change. The pulleys are also equipped with r.p.m monitors, and a comparator will cause an alarm if the free and fixed r.p.m.'s are different. This would detect binding up or frame fixing on the wires. The running wire is also passed over an erase head and a magnetic writing head at the fixed pulley end and a read head at the free pulley end.
Patent DE-2409898-A1 (DE)
Title: Semiautomatic cutter grinding machine - has spindle with adjustable diamond impregnated wheels
Inventor: KONNIKOW MICHAIL NAUMOWITSCH
IPC: B24B3/34
Filed: 1974-03-01
Abstract: This semiautomatic cutter grinding machine is used for form grinding or regrinding of cutting tools, e.g. carbide tipped cutters used for woodworking machines. It is also used for grinding of forging die components made from carbides. This machine simultaneously grinds the flank of the cutter as well as the chip breaking groove. The spindle carries diamond impregnated wheels, one of which is used for grinding the flank of the carbide insert and the other wheel for grinding of the chip breaking groove. The grinding wheels are mounted in such a manner that the distance between them can be adjusted for grinding the chip breaking groove in the required relationship to the main cutting edge. A horizontally adjustable stop is for adjusting the amount to be removed on the flank of the cutter. A milling cutter machines the tool holder into a shape conforming with the carbide tip.