baber/WOPTO huggingface dataset:
Patent DE-2023857-A1 (DE)
Title: Pre-fabricated worm trough for worm conveyor transporting - liquids or solids
IPC: B01D21/24
Filed: 1970-05-15
Abstract: The trough has a body, which partly or completely surrounds the worm, but leaves a free gap between its walls and the conveyor blades. The trough consists of several pre-fabricated similar sections, the internal surfaces of which correspond to the cylindrical shape of the worm. The sections are connected by a screwed or inserted units, and rigidly connected to a prepared base. At the intermediate bearing points of the worm, the trough contains a special section, which carries supports for the bearing, as well as connection units. The worm trough consists of pre-fabricated sections, and provides an intermediate bearing for the worm. The worm conveyor transports effluent sludge, liquids, bulk goods, etc.
Patent DE-2029787-A1 (DE)
Title: Doped silicon semiconductor crystal plate
IPC: H01L29/00
Filed: 1970-06-16
Abstract: Thin Si slice is taken perp. to the growth direction of a crystal grown in the 1:1:1 plane. Three series of natural cleavage planes lie in the plane of the slice at 60 degrees to each other. The slice is broken into plates; at least 2 of the bounding edges of each plate run along the natural cleavage planes.
Patent DE-2030022-A1 (DE)
Title: Hermetic ampoule - for chemical reactions and vacuum diffusion in semiconductor technology
IPC: B01J3/00
Filed: 1970-06-18
Abstract: Hermetic ampoule has two cylindrical tubes fitted together by inserting an end of one tube into an end of the other, the outer and inner diameters being equal for this purpose at those ends, and the seal being secured by a flange on the surface at the end of the smaller tube. The larger tube narrows to an adapter and the smaller tube narrows to an adapter tube. Meltable rings on the surface of each tube are melted before the operation to give a vacuum tight ampoule, which is broken at this point produced when the operation is finished. The ampoule is pref. of quartz.
Patent DE-2046114-A1 (DE)
Title: Electroless copper deposition - from plating baths contg added chlorides, esp for plating aluminium
IPC: C23C18/40
Filed: 1970-09-18
Abstract: A chloride of a Group IA and/or Group ILA element, pref. 0.001-0.09 mol/l NaCl, KCl and/or MgCl2, is added to the aq. soln. contg. an organic Cu salt, pref. Cu acetate, Cu tartrate and/or Cu citrate, which is contacted with the conducting or non-conducting surfaces to be Cu-plated by electroless method. Pref. ag. soln. contains added reducing agents, e.g. formalin, and stabilisers, e.g. NaCN, and opt. additives controlling deposition rate, e.g. NH4F.
Patent DE-2050533-A1 (DE)
Title: Revolving filter vessel - with centrifuging of sludge and radial inward flow of liquid
IPC: B01D21/26
Filed: 1970-10-14
Abstract: Appts. for purifying liquids contaminated with solid or colloidal particles, comprising a hollow rotating shaft with a chamber mounted on it with peripheral inlets and central discharge, and with a sludge layer forming a filter, is constructed with the chamber tapering radially outwards between the raw liquid inlet filtrate outlet; overflow pipes lead off excess sludge the cross-section of the inlet is sufficiently restricted to prevent compacting of the sludge in this region at the normal flow speed. Used esp. for purifying sewage or industrial effluents. Improved sludge concentration is achieved.
Patent DE-2143738-A1 (DE)
Title: Loom - with alternate pre-cut wefts passed forward - horizontally between two warp beams
Inventor: LUZAR UDO
IPC: D03D41/00
Filed: 1971-09-01
Abstract: Designed for weaving simple fabrics, the warp yarns from the vertically stacked warp beams are moved to develop the shed so that on one shed the weft is passed across the loom through a weft guide on the sley, the subsequent weft being a pre-cut length passed forwards horizontally to be inserted into the shed between the warp beams. The purpose is to increase the rate of weft insertion and improve the productivity of the loom.
Patent DE-2164710-A1 (DE)
Title: Electro-slag melting of steel - reduction of hydrogen contents
Inventor: ROHDE LUDWIG DR ING DR
IPC: B22D23/00
Filed: 1971-12-27
Abstract: The hydrogen content of electro-slag melted steels can be reduced by the use of unsatd. high hydrocarbon gases or gases contg. hydrocarbon radicals as a protective atmosphere above the slag, thereby reacting with the entrained hydrogen. Similar high hydrocarbon gases may be passed through the ingot mould and the process temps. envolved lead to thermal cracking and the resultant radicals react with hydrogen to result in its removal. Alternatively solid hydrocarbons, e.g. bitumen, may be continuously added to the slag during melting. This both reduces the slag hydrogen content and the hydrogen content of the cast ingot.
Patent DE-2228497-A1 (DE)
Title: Hop proportioning system for wort - with weighing of hop pellets flowing from inert gas storage silo
Inventor: MUELLER ADAM DR
IPC: C12C13/02
Filed: 1972-06-12
Abstract: Hop extract and hop pellets are applied to wort in beer brewing from an airtight storage silo for pellets, filled with an inert gas, through an airtight vibrating trough. The pellets are fed in metered amounts by a gravity-charged balance with a cut-off flap to a mixing tank which contains an agitator and a hop extract can, and has inlets for hot water or hot wort. A pump conveys the hop suspension to the brewing vat.
Patent DE-2231908-A1 (DE)
Title: Soldering leads on components - using molten solder and ultrasonic energy
Inventor: SCHROEDER JOACHIM DIPL ING
IPC: B23K3/06
Filed: 1972-06-29
Abstract: Leads are soldered on to metallised electrical components using ultrasonic vibrations. An ultrasonic electrode is mounted vertically in the bottom of a bath of solder at 250 - 300 degrees C, with its upper end just beneath the surface of the solder. The component, with the wire pushed in the end, is lowered into the bath so that the wire enters a vertical hole in the electrode and the component just dips into the solder. A burst of 2 - 3 secs. of ultrasonic energy causes the solder to penetrate the component and make a secure joint.
Patent DE-2246005-A1 (DE)
Title: Solid tyre moulding - using a composite tyre tread mould strip
Inventor: SMITH DIGLEY W
IPC: B29D30/02
Filed: 1972-09-20
Abstract: Prodn. of a vehicle tyre, more esp. a solid tyre for a transport vehicle, e.g. a fork-lift truck, by placing a tyre tread mould strip provided with a tread pattern round the inner surface of an outer strip to form an outer mould case, adding the matl. for the tyre in liq. form to a position adjacent to the tyre tread mould strip and after solidifcn. of this matl. removing the outer strip and releasing the tyre tread mould strip from the periphery of the tyre.
Patent DE-2256679-A1 (DE)
Title: Plastics container mfg appts - blows the container from plastics tube, then fills and seals the container
IPC: B29C49/14
Filed: 1972-11-18
Abstract: The plastics tube esp. polypropylene is extruded through a ring nozzle. A knife cuts the tube off in suitable lengths as it enters the mould. The mould consists of two side pieces which move laterally and each side piece has a movable floor which is raised approx. 1/4 of the way up the mould when the sides come together. The floor pieces fit together and are lowered in unison to the bottom of the mould. Suction is applied to expand the tube to fill the mould and a sealing tool is applied to the neck of the container after filling. The parts of the mould are moved hydraulically.
Patent DE-2264835-A1 (DE)
Title: Foamed solid material. from chloride and oxide of magnesium - by aerating mixt. contg. hydrolysed polyvinyl acetate and bentonite
Inventor: SCHUHKNECHT WOLFGANG PROF DR
IPC: C04B28/32
Filed: 1972-04-05
Abstract: Conventionally marble-like material known as Sorel cement and used for flooring is prepd. by allowing aq. mixts. of MgCl2 and MgO to harden. In the new process an agent is added to raise the viscosity of mixts. prepd. from aq. MgCl2, pref. with s.g. >1.25 esp. >1.30 g/cm3 and MgO, with 3.5-0.9 pref. 2.0-1.0 pts. MgO to 1 pt. MgCl2, and gas is introduced into the mixt. to form a foam. The foam is opt. stabilised by a surface active agent partic. 0-5 wt. % of a partially hydrolysed polyvinyl acetate contg. 5-30% acetyl residues. Opt. 0-25 pref. 10-20 wt. % bentonite is added to liquid mixt. Material which has has s.g. 0.85 g/cm3 can be drilled, sawn and nailed and when prepd. in form of cast sheets is used as light building material for heat and sound insulation.
Patent DE-2302529-A1 (DE)
Title: High pressure mercury lamp - contg. lead additive, esp for use in copying appts.
Inventor: VOGEL HELMUT
IPC: H01J61/18
Filed: 1973-01-19
Abstract: High-pressure mercury lamp has Pb as an addn. to the gas discharge, pref. in an amt of 0.3-2 wt.% of the amt. of Hg. This is useful in lamps for reproduction where Ga is normally added to improve the spectrum, with an increase of UV, and hence of copier throughput. Use of Pb instead of Ga avoids the tendency of Ga to separate out, since the Pb is closer in density to Hg.
Patent DE-2309128-A1 (DE)
Title: Grafting of polymers - on to water-soluble inorganic salts at active sites formed by chemical reaction
Inventor: WATANABE ISAO
IPC: C08F2/44
Filed: 1973-02-23
Abstract: Water-soluble inorganic salts in a non-solvent or in a sat. soln. are reacted with substances providing the same or different anions, in presence of monomers capable of radical polymsn. to polymers or co-polymers which are soluble or insoluble in water. Pref. inorganic salts are sodium bicarbonate, carbonate and/or sulphite and pref. anion donor is SO2. Suitable water-sol. monomers are Na or K acrylates, acrylic or methacrylic acids, while insol. monomers are meth-acrylate or acrylate esters, vinyl acetate, Ca or Mg acrylate, styrene, 1-pentene, vinyl stearate, m-chorstyrene, chloroprene, vinyl laurate or chloride, vinylidene chloride and pentachlorstyrene. Salts grafted with water-sol. polymers are suitable for use in pack-for-pack detergents and for packaging or containers capable of elimination by soln. in water. Those with insol. polymers can be used as constructional materials for vessels, tanks, etc.
Patent DE-2326490-A1 (DE)
Title: Contact rollers for electrolytic processing of strip - copper tube shrunk on journals to increase total copper thickness
Inventor: WEBER HARALD
IPC: C25D7/06
Filed: 1973-05-24
Abstract: These contact rollers will carry up to 20000 amps. flanged copper tube is shrunk onto the journals before electroplating so that there is an adequate thickness of copper on the radius between the journal and the flange, and on the flange. The rollers consist of a shaft with a flange welded to a steel cylinder, and a groove is turned in the flange near its outside dia. A flanged copper tube is then shrunk onto the journal and its flange is rolled into the roller-flange so that the copper enters the groove, thus making good metal to metal contact. After the copper tube is in place the assembly is electroplated with copper. Materials other than copper can be used for the tube; the requirement is for good electric conductivity.
Patent DE-2335437-A1 (DE)
Title: Indanylmethyl-piperidine deriv - with hypotensive activity
Inventor: AMANN AUGUST DR MED
IPC: C07D295/02
Filed: 1973-07-12
Abstract: N-(1-Indanylmethyl)-2,6-dimethylpiperidine, which can e.g. be prepd. by reacting 1-formyl-indane with 2,6-dimethylpiperidine and catalytically hydrogenating the resulting enamine, and its salts have hypotensive activity 5-10 times greater than that of the corresp. cpds. with only one or no methyl gp. in the piperidine ring.
Patent DE-2335817-A1 (DE)
Title: Overflow for swimming pools - has surrounding overflow gutter on pool edge connected to overflow channels
Inventor: SCHMIDT-BURR PETER R DIPL ING
IPC: E04H4/12
Filed: 1973-07-13
Abstract: The overflow gutter which is arranged into the horizontal edge of the swimming pool is connected to overflow channels which can be used for returning the water to a treatment plant and hence back to the pool. The swimming pool edge and also the gutter are covered with flexible plastic tiles. These tiles are perforated in order to allow the water to enter the gutter formed in the concrete below. A plastics film is placed between the tiles and the concrete. On top of the gutter the perforated tiles are supported by stiffening rods which are held by the downwards projecting spacing legs of the tiles. This ensures that the tiles on top of the gutter are sufficiently stiff. The gutter is formed in the manner of an ordinary roof gutter and it is lined with plastics.
Patent DE-2346928-A1 (DE)
Title: Push-button switch contact system - has moving contact bridge whose one end forms switching contact pair
Inventor: HASCHKAMP JOACHIM DIPL ING
IPC: H01H13/12
Filed: 1973-09-18
Abstract: The push-button switch is intended primarily for household appliances, such as washing machines etc. The two stationary contacts form the switch input and output and are connectably by a contact bridge, spring mounted relative to the push-button plunger. The contacts to be switched under current are made of a rare metal or its alloys. Only one contact part, consisting of a stationary contact and the respective moving contact of the bridge are provided with specified contact elements, while the other contact pair is arranged for currentless switching. This is attained by advanced switching on of this contact pair, as well as by retarded switching off. The stroke of the currentless contact pair is smaller than that of the other one.
Patent DE-2353422-A1 (DE)
Title: Throughflow barrier for light-liq. sepn. appts. in sewer systems - has double-jacket injection moulded tube float with flood openings and tare wts.
Inventor: MEIER KARL
IPC: E03F5/16
Filed: 1973-10-25
Abstract: Throughflow barrier for a light liquid separation appts. consists of a tubular float with a valve body and engages over the overflow pipe. The tube float, as a double jacket forms a float chamber which has flood openings and tare wts.; the flood chamber cover has upward-directed aeration openings and a downward-facing valve body whose valve seat is on the stationary end of the overflow pipe. Preferably the double jacket and the chamber cover are connected together with the valve body by screwing, welding or adhesion, and consist of two injection moulded parts with max. surface smoothness. The float valve is such that it closes suddenly and not intermittently with gradually rising level of the light liquid, and can only be opened again under control, with removal of the liquid. Flutter and consequent valve wear are avoided.
Patent DE-2365125-A1 (DE)
Title: Shelter or other light structure prefabricated building element - comprising monolithic floor panel, wall and roof for series assembly
Inventor: MIDDENDORP HEINRICH
IPC: E04H1/12
Filed: 1973-12-29
Abstract: The element is for incorporation in shelters, shower screens, building-site sheds, passages and similar light protective structures, easily assembled or dismantled, and of acceptably attractive appearance. In cross-section the element is roughly of an angled C-shape, with floor panel and roof bottom and top, and a side wall of head height and it can be joined at the side to similar elements arranged in a row. There may be a parapet wall joined to the floor opposite the side wall, with an entry gap in its length, and there may be a rainwater gutter in the roof area, also a hook or a loop for lifting. Concrete and plastic are suitable materials of construction.
Patent DE-2400209-A1 (DE)
Title: Sanitary installation inspection frame - with flap on swivelling mounting in frame component fitting against stop
IPC: A47K3/16
Filed: 1974-01-03
Abstract: The frame for inspection purposes, esp. on a sanitary service installation, is for insertion in an opening which gives access tot his, with a flap, supporting a panel or paving slab, detachably fastened to the frame component which is fixed to the opening. The mounting for the flap enables is to swivel, and in the closed position the flap fits against a stop in the frame component, which may be in the form of one or more magnets, or in the form of the top section of the frame component, a weight being provided to hold the flap down in the closed position. There may be a further stop to limit the swivelling movement. Opening is effected without recourse to special tools.
Patent DE-2402083-A1 (DE)
Title: Starting system for a compressor solenoid valve - delays pressures build up until motor runs at full speed
Inventor: NIEMANN ERNST
IPC: F16K31/06
Filed: 1974-01-17
Abstract: The control circuit is used for solenoid valves connected between, for example, an air compressor and the compressed air pressure vessel. This valve ensures that the pressure does not build up right from the moment when the motor is switched on. The pressure build up will effectively delay the motor in reaching full working speed. For this reason the solenoid valve reduces the pressure in the pipeline until the drive motor reaches its full operating rating. The compressor is driven by the electric motor and the pressure vessel is connected to the compressor by the pipeline. The pressure reduction system with a solenoid valve acts as a pressure release valve. The solenoid of the valve is connected in series with a two way semiconductor switching triode. Resistances are connected in parallel to the solenoid and the switching diode. This arrangement is used to reduce the size of the solenoid and the current through the solenoid is maintained at the minimum level necessary for efficient operation.
Patent DE-2402605-A1 (DE)
Title: Railway rolling-stock shunting and train assembly mechanism - with rail-borne carrier movable in raised position and crossways
IPC: B61J3/06
Filed: 1974-01-21
Abstract: The carrier vehicle used for train assembly or shunting of other rail-borne wagons and other rolling-stock moves on the same track as these. To clear the way on the track it can be moved so that it is raised and set crossways, pref. at right angles to the track. This involves a hoist mechanism to raise it and move it out of the track guiding, and a transverse conveyor mechanism for its crossways movement. For this the carrier may be equipped for coupling to two different drives, neither being operative at the same time as the other. A movable coupling mechanism sited below the open profile of rolling-stock can be provided for this, and this can form the hoist device with a fixed track mechanism. The system is for unmanned carriers with no independent motor.
Patent DE-2408304-A1 (DE)
Title: Security paper web making machine - the watermark forming cylinder dehydrating screen convering watermark and security strip introducing device
Inventor: JUNG CLAUS
IPC: D21H21/42
Filed: 1974-02-21
Abstract: Paper web making machine is provided with a watermark forming cylinder which is partially lapped by an endless wire screen removing a wet web from the cylinder with the aid of a dehydrating suction cylinder for feeding the web to a secondary dehydrating press including an endless screen which covers the watermark on the web during the dehydration of the web. Machine is for making security paper webs with watermarks and security strips. Successive dehydration of the wet web on opposite sides permits increased rate of prodn. Control of fibre orientation at throat permits control of the web strength along both longitudinal and transverse axes.
Patent DE-2410430-A1 (DE)
Title: Low-noise stereo play and recording system - bridges stereo channels for mono- operation and is supplied with control signal
Inventor: BERGMANN FRITZ DIPL PHYS
IPC: H04B1/16
Filed: 1974-03-05
Abstract: The low-noise stereo replay and recording system has its monophonic mode dependent on low frequency amplitudes in such a way that it operates only with small LF amplitudes and not with large LF amplitudes (i.e. at low field strengths and high audio frequencies). For mono operation the two stero channels are coupled together by a controlled network consisting of series RC elements. The control signal is applied to the centre of this symmetric network and is obtained from two series-coupled diodes coupled to a regulating transistor's output. The two channels pass over channel amplifiers to the loudspeakers. The regulating transistor is coupled by resistors to the outputs of these two channel amplifiers.
Patent DE-2410838-A1 (DE)
Title: Sheet metal nut attached to sheet metal sections - has L-shaped clamping lugs
Inventor: BURK GERHARD
IPC: F16B37/04
Filed: 1974-03-07
Abstract: The sheet metal nut consists of a base plate with a female thread, and two clamping lugs at either side, which engage behind the sheet metal section to be bolted. The clamping lugs extend from the longitudinal edge of the base plate, in a corresponding direction, and are bent at right angles, to form an L-shaped, about the thickness of the sheet metal section. The lugs extended to about the centre of the base plate. The design eliminates bending of the clamping lugs through 180 deg., and the lug length is slightly shorter than the base plate.
Patent DE-2415104-A1 (DE)
Title: Polyurethane sealing material contg. anti-slump additive - and sulphoxide or amide cpd. to increase effect of anti-slump agent
Inventor: FUKUDA KIYOU
IPC: C08K5/41
Filed: 1974-03-28
Abstract: Sealing material comprises a polyurethane material (I) and an anti-slump agent (II) together with sulphoxide(s) (IIIa) of the formula R1SOR2 or amide(s) (IIIb) of the formula R3CONR4R5 or R6-N (CH2)3 C=O (in which R1-6 independently are lower alkyl gps. and R3-6 can also be H). Pref. (IIIa) is Me2SO, Et2SO or n-Bu-SO and (IIIb) is HCONH2, HCONMe2, MeCONH2, MeCONHMe, MeCONMe2, alpha-pyrrolidone, N-methyl or N-ethyl-alpha-pyrrolidone. (I) can be an NCO-terminated urethane prepolymer or a mixt. of this and an OH-terminated polyol, whist (II) pref. is colloidal SiO2 or bentonite. The use of (III) is combination with (II) results in a considerable improvement in the antislump props.
Patent DE-2419486-A1 (DE)
Title: Acoustically shielded outdoor rotary kiln - having heat resistant screens around satellite cooling drums
Inventor: KRAUS FRITZ DIPL ING DR TECHN
IPC: F27B7/40
Filed: 1974-04-23
Abstract: A cooling drum for a rotary kiln, esp. a satellite drum mounted on the kiln and revolving with it, has internal blades to turn over the clinker and subject it to cooling air as the drum revolves. The drum is shielded, at least on the side remote from the kiln, by a heat-resistant, acoustically insulating screen, e.g. of fibrous material, set back at some distance from the drum and pref. mounted in a steel or light-metal shell, esp. of half-round or trapezium section, attached to the drum by ribs etc.
Patent DE-2425100-A1 (DE)
Title: Hot water boiler for various fuels - circulating by-pass pipes in exhaust gas path
Inventor: SCHAEFER GERD DR ING
IPC: F24H8/00
Filed: 1974-05-24
Abstract: A heating device, particularly a water heater with a burner system for solid, liquid or gas fuels, has at least one circulatory by-pass pipe (19) which by-passes the heat exchanger (14) in the exhaust system of the heater, to conduct hot exhaust gases into the exhaust pipe (17). In heating devices of this type with two heat exchange units (13, 14) connected in series, the by-pass pipe (19) is constructed as a branch pipe separate from the exhaust system. In such systems the primary heat exchanger (13) is used to produce hot water and the secondary exchanger (14) produces hot air. An alternative design is given.