baber/WOPTO huggingface dataset:
Patent DE-2127292-A1 (DE)
Title: Sil improvement using gypsum - in hydratable and settable form
IPC: C05G3/80
Filed: 1971-06-02
Abstract: Use of hydratable and settable gypsum for improving soil structure. This form of gypsum imparts a friable texture to all kinds of soils, including sandy and very heavy clay soils. The hydratable gypsum may be any of the various kinds of gypsum produced by the partial or complete dehydration of gypsum (CaSO4.2H2O), e.g. Plaster of Paris, building gypsum or plastering gypsum, or a waste product from the chemical industry, esp. wet-process phosphoric acid prodn., opt. fully or partially dehydrated. Known setting retarders, e.g. glue, keratin, protein material, molasses or pref. liquid manure, or setting accelerators, e.g. K2SO4 and/or iron sulphate, may be added. The material may be applied (a) in the form of a suspension contg. 10-50%, pref. 25-35% gypsum, in which the gypsum may be replaced by soil in a ratio of 2:1-6:1 of soil to gypsum; or (b) in dry form when the soil is wet, followed by ploughing, harrowing, digging, etc., in which case the gypsum is mixed into the soil in a ratio of 1:20-1:4, pref. 1:10-1:5. Fertilisers may be applied at the same time, and seed may also be sown, opt. incorporated in the gypsum suspension.
Patent DE-2139487-A1 (DE)
Title: Synthetic paper - based on crystalline polyolefin contg thermoplastic polymer and/or powder
IPC: B44D3/18
Filed: 1971-08-06
Abstract: Synthetic paper is produced by (I) mixing (a) 99 - 40 (wt.)% crystalline olefin polymer, (b) 50 - 0% other thermoplastic polymer and (c) 60 - 0% powder, so that total amt. of (b + c) is not 1 wt.%; (II) melting this solid mixture into film; (III) treating surface(s) of molten or un-set film with material which can dissolved or swell crystalline olefin powder (a); and (IV) cooling and setting film. Printing and writing characteristics of prod. are similar to those of ordinary paper. It has improved opacity, good strength, fine irregular surface structure and fine pores in surface.
Patent DE-2155320-A1 (DE)
Title: Sulphur dioxide removal from waste gas  by adsorption - and reduction to elementary sulphur
Inventor: FISCHER FRIEDRICH DIPL CHEM
IPC: C01B17/04
Filed: 1971-11-06
Abstract: is removed from waste gases, before discharge, in an economic absorption process which quantitatively extracts the SO2 and converts it to elementary S. The SO2 is removed on an adsorption medium of activated charcoal. The loaded adsorption agent is regenerated by contact with a hot, inert, heat carrier (e.g. quartz-sand), pref. at 750-1000 (800-850)degrees C whilst hydrocarbon gas or vapour are passed through. The amount of HC supplied is controlled so that the ratio SO2; (1/2 CS2 + COS + H2 + CO + H2S) in the evolved gases = 1:2. The evolved gases are subjected to one-or several-stage catalytic treatment, to yield S. The adsorption medium is recycled for further use.
Patent DE-2222597-A1 (DE)
Title: Pyridine 2,6-dicarboxylic acid isolation - from bacteria moulds via the ester
Inventor: HUESCHENS ROLF DR
IPC: C12P17/12
Filed: 1972-05-09
Abstract: Process comprises (a) heating water-free mould with alcohol in presence of acid to bring the pyridine-2,6-dicarboxylic acid (I) into soln. as the diester (II) (b) isolating (II) from the soln. after filtering off mould material, and opt. (c) converting (II) back to (I). Process gives quantitative sepn. of (I) from other cell contents, and (I) can be purified without loss. (I) are known drug inters. and (II) are used in fly-killers and can be used directly in many applications of (I).
Patent DE-2228289-A1 (DE)
Title: Hydroxyalkyl-pyr(im)idones - which accelerate dark-adaptation
Inventor: GAURI KAILASH KUMAR DR
IPC: C07D213/63
Filed: 1972-06-09
Abstract: 1-Hydroxyalkanes substd in the omega-posn by a heterocyclic residue of formula (Ia) or (Ib) (where X is a methine gps or an N-atom and Y is O or S) have the effect of accelerating dark-adaptation, as shown by electroretinographic studies in mice.
Patent DE-2250981-A1 (DE)
Title: Air cooled cupola with water cooled hearth - has wider dia in air cooled melting zone where self protective slag lining forms
Inventor: PABST ERHARD
IPC: C21B7/10
Filed: 1972-10-18
Abstract: A cupola has a water-cooled wall in the hearth zone and an air-cooled wall in the melting zone. The wall in the latter zone is made of a heat resisting or highly stressed heat resisting matl. Compared with the inner dia. of the shaft, measured across the exists of the tuyeres, the inner shaft dia. in the melting zone is 1 1/2 to 2 times larger.
Patent DE-2251214-A1 (DE)
Title: Branch terminal for tapping into electric cable - has low stiffness plate springs applying contact pressure and housing of plastics foam
Inventor: RUNKEL BERNHARD
IPC: H01R9/03
Filed: 1972-10-19
Abstract: A cable branch terminal for tapping in multi-core aluminium cables comprises a pair of half-housings contg. the contacting means and connections for the branch conductors; these two half-housings are held together by screw connections. The connection between these screws and the half-housings is constituted of a large number of plate springs, permitting a travel of at least 1 mm for a contact pressure of 0.8 kg/mm2. The contacts are pref. formed of screws having slits in their ends to mill into the cable cores. The half-housings are pref. of plastics, e.g. polyamide.
Patent DE-2262829-A1 (DE)
Title: Chelate-contng. cellulose material tobacco substitute - in which chelateis an (alkaline earth and/or divalent manganese) iron or aluminium chelate
Inventor: EICHER THEO DIPL CHEM DR
IPC: A24B15/16
Filed: 1972-12-22
Abstract: The chelate cpd. is pref. of general formula: Kz Mex Ry (where K = Mg, Ca or Mn (II); Me = Fe (III) or Al (III); R = residue of a chelate forming carboxylic acid; x and y = small integers which satisfy the stoichiometry of the complex and z = the no of trivalent cations). 0.5-70 wt.% of chelate is present in the product.
Patent DE-2264462-A1 (DE)
Title: Tetrachloroethylene prodn - by catalytic decompsn of carbon tetrachloride
Inventor: SUMITOMO CHEMICAL CO LTD
IPC: C07C17/361
Filed: 1972-09-25
Abstract: Starting material selected from (1) CCl4, (2) CCl4 + a material susceptible to chlorination (e.g. CH4, C2H6, etc) (3) CCl4 + a material susceptible to chlorination + oxygen +HCl and/or Cl2, is contacted at 430 650 degrees C with a molten salt catalyst consisting of (A) a copper chloride (CuCl and/or CuCl2), (B) a mixt. of a copper chloride with a chloride(s) of an alkali(ne earth) metal(s), (C) a mixt. of copper chloride with a chloride(s) of Fe, Zn, Mn, Cr, Ni, Pd and/or a rare earth metal(s), or (D) a mixt of (B) and (C). The rate of the reaction 2CCl4 arrow right C2Cl4 + 2Cl2 is much increased compared with the known processes so that this process can be carried out economically.
Patent DE-2301659-A1 (DE)
Title: Chlorinated aryl-ureas and-carbamates prepn. - by direct chlorination of the dechloro cpds.
Inventor: HEARSEY COLIN DR
IPC: C07C275/30
Filed: 1973-01-13
Abstract: Agrochemically important chlorinated cpds. of formula R'(NHCOX')n (where R' is a mono-, di- or polyvalent chlorinated aromatic residue opt. contg. further substitutents; X' is an opt. subst. dialkylamino, alkyleneimino or alkoxy residue; and n is a whole number) are produced by reacting chlorine with a cpd. of formula R(NHCOX)n (where R is an opt. subst. mono-, di- or polyvalent aromatic residue and X is opt. subst. dialkylamino, alkylene -imino or alkoxy). The process is of general applicability.
Patent DE-2333795-A1 (DE)
Title: Metal facing for surfaces such as kitchen walls - consists of large number of small square metal trays bonded on underlay
Inventor: PATZNER HELMUT
IPC: E04F13/08
Filed: 1973-07-03
Abstract: The square metal facing elements are pressed from sheet metal so that they have a raised edge and form trays. These bent edges can slope outwards. The trays are bonded by their sharp edges on the profiled rubber underlay. This in turn rests on a layer of adhesive which is protected by paper. The metal trays are held by their edges in the rubber underlay so that a thin raised rubber rib is formed between separate trays. The flat metal surface may be decorated. These panels are used in rooms with appreciable moisture content such as kitchens. The composite panels are readily manufactured by relatively simple processes.
Patent DE-2338144-A1 (DE)
Title: Roller bearing for two-speed drive pinion - reduces roller and track wear with out-of-balance cage
IPC: F16C33/46
Filed: 1973-07-27
Abstract: The invention applies to a pinion forming part of a two-speed drive when the pinion either runs freely on the shaft or is directly coupled to it. The pinion is mounted on the shaft by means of a roller bearing with rollers side plates and roller spacing members. The spacers are heavier than the spacers causing an out-of-balance which generates a centrifugal force at high speed. When the pinion and shaft rotate together this centrifugal force prevents the cage from staying in the same position relative to the shaft and pinion and so prevents localised wear.
Patent DE-2345069-A1 (DE)
Title: Nematocidal thio-phosphoric acid esters - prepd. from phosphorous acid halides, and sulphenic acid halide, then with phenol and proton acceptor
Inventor: TREML ALEXEJ G
IPC: A01N57/14
Filed: 1973-09-06
Abstract: Novel thiophosphoric acid esters of formula (I):- where R is n-propyl or isopropyl and the other = methyl, ethyl, n-propyl or isopropyl, and their acid halides spec. O-ethyl-S-n-propyl-O-phenyl-thiophosphate and O-ethyl-S-isopropyl-O-phenyl-thiophosphate have nematocidal activity and may be used in agriculture and horticulture against soil nematodes, using pre- or post-emergence application. Some of (I) have also systemic nematocidal activity against stem- and leaf-nematodes. (I) have no phytotoxicity, very low mammalian toxicity, -irritation and -odour and have good stability upon storage.
Patent DE-2346354-A1 (DE)
Title: Windscreen wiper control with intermittent mode - using time delay circuits to set continuous or intermittent operation
Inventor: HATTWIG PETER DIPL ING
IPC: B60S1/08
Filed: 1973-09-14
Abstract: The windscreen wiper control operates the wiper continuously or intermittently, as well as at different wiping rates. This requires a couples switch while the driver looses concentration when operating the switch. A simple solution is provided with an electronic logic control and a simple switch. A time delay circuit is connected to the continuous mode and only completes the circuit if the switch is pressed longer than a set time. A bistable circuit connects the intermittent mode if the switch is briefly pressed, while a logic system reset it if pressed longer. The system enables the driver to discriminate between continuous and intermittent operation simply by the length of time he presses the switch.
Patent DE-2348068-A1 (DE)
Title: Device for loading a weapon with (pref. case-less) cartridges - using a strip magazine contg. the cartridges in individual chambers
Inventor: POLITZER ANTON DIPL ING
IPC: F42B39/08
Filed: 1973-09-25
Abstract: Control means which may be either ribs or grooves in the magazines are provided which regulate the rate of firing. These control means can be scanned by sensing devices. The magazine may be fitted with lateral conveying knubs or depressions. The magazine may be made of synth. plastics pref. polyamide, polyethylene.
Patent DE-2348748-A1 (DE)
Title: Film viewer for different film formats - has film supports dropped into slotted support for interchangeability
Inventor: KINSINGER WILLIAM C
IPC: G03B21/11
Filed: 1973-09-28
Abstract: The film viewer is suitable for use with films of different formats, and is provided with guides for both roll films and flat films, having a multi-function support mounted on a base with a gap into which can be inserted a film support for a roll film, and another support for take-up of the roll film as well as a lens system for light from a source passing through the gap and the film extending across it driven by the film transport mechanism. The whole may be supported in the gap in a carriage by which the assembly may be slid into or out of the path of the light beam. The light transmitted is reflected by an optical system to the viewing screen.
Patent DE-2349897-A1 (DE)
Title: Appts for measured mixing of pigment-plastics granulate - with feed screw and post mixer with large volume
Inventor: LESK ADOLF
IPC: B29C48/03
Filed: 1973-10-04
Abstract: Appts. for measured mixing of a pigment with a plastics granulate having a feed screw operating in the feed funnel of a plastics processing machine, is improved by arranging an inlet for large grained clearing material, esp. a small proportion of the plastics granulate, before the inlet for the pigment in the direction of transport of the screw, and arranging a post mixer in the feed funnel for mixing the material supplied by the feed screw with the plastics granulate. The post mixer possess a volume several times that of the discharge volume of the processing machine. Concentrated pigment zones are avoided.
Patent DE-2351706-A1 (DE)
Title: Cleaning rake for sewage bar screens - with forced guidance for angular cleaning and discharging motions
Inventor: BOHNERT ERNST
IPC: E02B8/02
Filed: 1973-10-15
Abstract: A bar screen clearing device for sewage and effluent channels is arranged in a frame downstream of the vertical screen bars which are free at the top. An L-shaped rake is suspended from a vertical endless chain and runs with two pairs of rollers near its top end in vertical guide rails which turn the rake near the bottom dead centre with its tines into the screen (anticlockwise), and near the top dead centre clockwise so that a scraper can discharge the raised debris. This means the bar screen even under difficult conditions reliably. It facilitates the removal of the accumulated debris from the rake and ensures that none can drop back into the channel.
Patent DE-2352202-A1 (DE)
Title: High temperature electric furnaces - entrance through heat insulation has additional heat insulating foils
Inventor: KOERTVELYESSY LASZLO DIPL-PHYS
IPC: H01B17/30
Filed: 1973-10-18
Abstract: Heat insulating foil discs are placed outside the hole for the conductor. Their individual foils are so curved, and the front foil is at such a distance from the hole, that its centre of curvature lies in the hole, in its geometrical centre of gravity. The disc foils are round and their diameter is greater than that of the hole, so that the inside of the furnace cannot be directly seen from outside. Heat is conducted consequentially along the foils to create a balanced condition. At the same time an electrical conductor is heated as protection against condensation which could increase the air gap.
Patent DE-2353874-A1 (DE)
Title: Continuous chemical conditioning of sewage sludge - by addn of chemicals to conduit system between pump aggregate and filter press
Inventor: LOOYMANS ADRIANUS FRANCISCUS M
IPC: C02F11/122
Filed: 1973-10-26
Abstract: Continuous chemical conditioning of sewage sludge is effected by the direct continuous addition of a measured quantity of chemicals to the conduit system between the pump aggregate and the filter press for the mechanical dewatering of the sewage sludge. Compared with conditioning before the pump aggregate, the present method requires less chemicals, as the harmful effect of the pump aggregate on the flocculate is avoided.
Patent DE-2354934-A1 (DE)
Title: Reflecting prism or target reflector mounting - measures electronically vertically above mark of horizontal or vertical measuring stud
Inventor: DICKE JOSEF
IPC: G02B7/18
Filed: 1973-11-02
Abstract: The prism mounting consists of housing for the prism, U-bracket and inserting stud. The housing is mounted between the sides of the U-bracket and swivels horizontally through 360 deg. The inserting stud is fixed to the centre of the U-bracket and points downwards. A supporting arrangement consists of inserting sleeve, adjusting knob, fixed arm, bubble level and two flanges. The attachment device comprises attachment body including bore, and adjustment knob for attaching to a measuring stud. Two hinge bearings are provided for the hinge flange of the supporting arrangement which swivels through more than 90 deg. Supporting arrangement and attachment device are combined to form one unit.
Patent DE-2357035-A1 (DE)
Title: Degradable ethylene copolymers prepn. - with carbon monoxide (or unsatd. carbonyl cpd.) and comonomer, e.g. for packaging
Inventor: BIRNKRAUT HANS-WALTER DIPL CHE
IPC: C08G67/02
Filed: 1973-11-15
Abstract: The polymers are prepd by copolymsn of (A) 70-99 mole % C2H4, (B) 0.5-20 mole % CO or alkenically unsatd carbonyl cpd and (C) 0.1-10 mole % alkenically unsatd. cpd contg. >=1 non-paraffinic substit. Polymers can be degraded biologically chemical or thermally into a form which can be incorporated into biological cycle, exposure to light not being essential.
Patent DE-2357065-A1 (DE)
Title: Vacuum cleaner motor switch with bridging and fixed contacts - has actuator with delayed action routing current
Inventor: BAER SIEGFRIED
IPC: H01H13/58
Filed: 1973-11-15
Abstract: An electric switch for switching on a vacuum cleaner motor which for a short period will route the current through an impedance with the object of reducing the starting surge which can often blow the fuse. After the delaying action of the switch, the full mains voltage will appear across the motor. The switch actuator places a bridging contact across two fixed contacts. When switching to one group of the bridging contacts will be delayed due to the initial restoring action before engaging. The delaying action is achieved by a blocking pin attached to the switch knob which will be in the path of the delayed contacts.
Patent DE-2357668-A1 (DE)
Title: Insulated door or window frame for wall opening - with hinge-accommodating carrier-strip and case grooved for tongue engagement
Inventor: RUPPERT ERICH
IPC: E06B1/10
Filed: 1973-11-19
Abstract: The frame assembly, wider than the wall thickness, is to provide max. effective sound insulating and draught sealing, and to be easily fitted to the open space, and provides a case with a relatively offset carrier strip on one facing side to accommodate hinge components, and with covering strips for the opening between wall and case fitting against the wall surfaces and connected to case or carrier strip. Lengthways grooves are provided in carrier strip and/or case, with a tongue set into one or both covering strips engaging in them. There may be plug or glue connection between the tongue and groove. A rough fitting can be effected first with insertion of one covering strip, and exact fitting by means of the other.
Patent DE-2363493-A1 (DE)
Title: Mixture of supplementary constituents to granular plastics raw matl - automatic addition effected volumetrically while raw material is transported
Inventor: REIMELT WOLFRAM DIPL ING
IPC: B29C48/03
Filed: 1973-12-20
Abstract: The use of additional labour to weigh, transport and distribute supplementary constituents e.g. colourising granules for mixing with the basic raw material in plastics manufacture is obviated by an automatic process and equipment. The latter incorporates electrical and/or electronic means of controlling the volumetric dosage of the raw material by the supplementary constituents while the former is transported by pneumatic carrier from silos to extruders. The granular raw material is carried by a flow of air past a number of dosing arrangements which have containers above holding the supplementary constituents. Raw material and supplements are then carried to mixing containers to which input is pref. controlled through valves or flaps.
Patent DE-2401862-A1 (DE)
Title: Screen for water filtration plant - has inclined rooftop-shaped arrangement of flat screen frames
Inventor: ADE ROLF
IPC: B01D33/00
Filed: 1974-01-16
Abstract: The screen has a horizontal base frame through which the water enters the screen area and on which are built up two opposite screen frames which are inclined toward each other and adjoin a top screen frame, the three screen frames resembling a flat-topped roof with sloping sides. Each screen frame is covered by screen material and the screening area is greater than the entry area through the base frame. The apex angle between the side frames is pref. between 20 and 60 degrees. The side frames may each have a screen area twice as large as the top frame.
Patent DE-2402645-A1 (DE)
Title: Automatic feeding-equipment for pigs - consists of enclosed container with feeding trough underneath and feed-dispenser rods
Inventor: HILZ ADOLF
IPC: A01K5/02
Filed: 1974-01-21
Abstract: Support-struts are fixed to the front and back ends of a feeding trough. The feed container is fixed by means of pins to the top of the struts. The space between the trough and the container can be adjusted. Feed-dispenser rods are suspended from the front and back lengthwise, downward-slanting walls of the feed-container. The ends of the feed-dispenser rods are bent so that they project through the feed-outlet in the trough, and the rods can be adjusted in height by means of screws. Pressure or tension springs alter the swinging motion of the rods, so that after the pigs have pushed against the ends, the rods move back to their original positions. In the bottom of the trough is a roof-shaped plate sloping down to each side for feed for better flow.
Patent DE-2409556-A1 (DE)
Title: Silo outlet with pivoting stirrups - has screws clamping connector flange in place and pressure-inflated sealing ring
Inventor: GRAMLICH FRITZ DIPL ING
IPC: B65D88/54
Filed: 1974-02-28
Abstract: The outlet is for use with a silo subjected to internal pressure, and in the discharge position has a vertical axis, being in the form of a truncated cone widening in the upwards direction towards the main part of the silo. A tapered outlet connector for use with a piping system is detachably flange-mounted onto it, an elastic sealing ring being fitted between the two. Each screw holding the flange in place has a stirrup pivot-mounted on the outside of the outlet cone and swinging towards the centre line of the latter, so that its lower free end hooks round the flange. In this free end there is a screw bearing against the flange. The sealing ring is inflated by gas or fluid under pressure.
Patent DE-2416077-A1 (DE)
Title: Fascia fitting for built in furniture - comprises height-adjustable panel engaging over fixed panel on furniture
Inventor: HOFFMANN FRITZ
IPC: A47B95/00
Filed: 1974-04-03
Abstract: The cover plate is held on the furniture by a bracket fastened across the front wall of the furniture by a tension pin inserted from inside through a full-length opening in the furniture wall. The bracket is provided with a tension lug which is braced against the fastening surface for the bracket and engages in a fascia strip adjoining the outside of the furniture wall whilst a second tension lug which is braced in the opposite direction to the first is provided on a holder movably mounted on a guide of the bracket adjoining the holder displacement member and engages in a second fascia panel which engages over the front of the first.