baber/WOPTO huggingface dataset:
Patent DE-4118020-A1 (DE)
Title: Sepn. of specific lightweight components from sedimentary mixt. - continuously measuring upper fluidised bed density and depth for comparison with set-point values
Inventor: NEESSE THOMAS DIPL ING DR
IPC: B03B5/62
Filed: 1991-06-01
Abstract: Incoming slurry (6) passes through a distribution screen (2) into a container (1) in which an inhomogeneous turbulent layer (7) of mud particles is topped by a quiescent fluidised bed (8) with an upper boundary layer (9). Lighter organic components (11) are sepd. into a thinned surface layer (10) at the level of an overflow (5). Sounding tubes (21) of unequal length contain measuring probes connected to a signal processor (23) deducing density and boundary layer depth (S) for purposes of regulation (17) and drainage (3). ADVANTAGE - Density and height of fluidised bed are independent of granular distribution in incoming sediment.
Patent DE-4118749-A1 (DE)
Title: Thin homogeneous oxide coat prodn. from polymerisable carboxylate - by polymerising homogeneous mixt., applying polymer soln. to substrate and heating
Inventor: WEINER HEIKO DIPL CHEM
IPC: C23C18/12
Filed: 1991-06-06
Abstract: Prodn. of thin homogeneous oxide coats is carried out by (a) homogeneously mixing polymerisable metal carboxylates (I) corresp. to the oxide coat compsn.; (b) polymerising in known manner; (c) dissolving the polymer in suitable polar solvents (II); (d) applying to the substrate; and (e) converting to the metal oxides by thermal treatment. Pref. (I) are mixed with suitable monomers, pref. acrylonitrile, styrene and methacrylate esters, and converted to copolymers. USE/ADVANTAGE - The process is suitable for making coatings and also self-supporting films. These are useful in the electrical and electronics industries, as refractory and/or corrosion-resistant coatings and as decorative coloured coats. It is universally applicable, very simple and reproducible and gives homogeneous, phase-pure coats. If solns. of suitable compsn. are used, both nonporous and porous substrates can be coated or doped with catalytically active metals and metal oxides or mixts.. (13pp Dwg.No.1/5)
Patent DE-4119656-A1 (DE)
Title: Feeding mechanism for parts in continuous production line - has parts pre-positioning mechanism which moves synchronously with workpiece carrier and workhead
IPC: B23P19/00
Filed: 1991-06-14
Abstract: The mechanism consists of a continuously moving workpiece carrier (10) and a moving workhead carrier (11). A pre-positioning mechanism (13) for one or more components (25) is located between a component parts magazine (12) and the workhead carrier (11). The movement of the pre-positioning mechanism may be synchronised to the movement of the both the workpiece carrier (10) and the workhead carrier (11). USE/ADVANTAGE - Efficient parts feeding mechanism for a station in a continuous production line which does not require any directly associated additional production time.
Patent DE-4121258-A1 (DE)
Title: Cleaning tape in cassette for magnetic tape appts. e.g. video - comprises silk opt. mixed with cotton or fibres of plastics material which is impermeable to light and air
IPC: G11B5/41
Filed: 1991-06-27
Abstract: Cleaning cassette for cassette operated appts. partic. video recording and/or playing appts. has a cleaning tape (I), which can be unwound and wound up between two rotatable spool bodies, of silk woven material, artificial silk, or mixt. of silk with cotton or with fibres of plastics material, formed to be substantially impermeable to light and air. Pref. (I) has paint, colour, or plastics dressing or coating, pref. about 30 microns thick, on face turned away from magnetic head. Pref. dressing or coating has as major component a finishing agent and a plasticisier. (I) is coated on face turned away from magnetic head with film impermeable to light and air, pref. of PE or metallised PE. This film is fixed onto (I) by adhesive, pref. synthetic resin, esp. acrylate resin. ADVANTAGE - Deposits of fibre abrasion residues on magnetic head are avoided. (I) has required physical characteristics for threading and operating, functioning of video recording and/or playback running appts. partic. with optical tape control arrangement on video appts. is unaffected.
Patent DE-4123029-A1 (DE)
Title: Piston for stroke piston engine - has honeycomb support structure inside piston sleeve to strengthen lightweight structure
Inventor: MATTHIAS PETER
IPC: F02F3/00
Filed: 1991-07-12
Abstract: The inside of the piston sleeve body (5) is filled up by a support body (7) comprising a honeycomb structure of sheet metal plates with a central cavity corresponding to the shape of the connecting rod eye and open to the side of the connecting rod. The hollow cavity is adjoined on both sides by the piston bolt sockets which are let into the support body across a longitudinal axis of the piston. The support body (7) is preferably made up of several plate arms (11) set parallel to each other in the direction of the longitudinal axis of the piston whereby reinforcement plates (12) running in wavy formation are placed between the plate arms whereby their bending edges (13) are connected to the retaining plates (11). ADVANTAGE - Although lightweight the piston has great strength and stability.
Patent DE-4124926-A1 (DE)
Inventor: NEHRKE EGON
IPC: B62K5/02
Filed: 1991-07-25
Abstract: The invention relates to a tricycle consisting of two rear wheels, a frame holding the rear wheels, a chassis with a saddle connected to the frame so as to be pivotable about an approximately horizontal axis, a front wheel which, together with a handlebar, can pivot in the chassis about an approximately vertical axis, a drive on the chassis for the rear wheels, a first bearing between the chassis and frame with approximately horizontal bearing axes, a first gear wheel, the bearing of which is firmly secured to the chassis and on which the drive operates, a second gear wheel, the bearing of which is firmly secured to the frame and which drives the rear wheels and can be driven by the first gear wheel via a shaft comprising a universal joint, the pivot of which lies on the axis about which the frame can pivot in relation to the chassis. In the invention, between the chassis (3) and the frame (15) there is a second bearing (20), the pivot axis of which is identical to that of the first bearing (27) and the coupling between the chassis and the frame is subject to no restoring force. Thus the tricycle is more stable than prior art types and running over and obstacle with one rear wheel does not result in lateral shocks on the chassis.
Patent DE-4129978-A1 (DE)
Title: Thermal values of plastics partic. at high cooling rates - are determined using sensor comprising small thermoelements mounted on surface of poor heat-conducting polyimide material
Inventor: CREMER MARKUS
IPC: G01N33/44
Filed: 1991-09-10
Abstract: Thermal values (conductivity, heat capacity) of plastics (I) partic. at cooling rates of more than 2 deg.C/second for use in streaming and cooling simulation programs are determined using a sensor consisting of a poorly heat-conducting support material (II) provided with, on the surface, more than 3 thermoelements or measuring sites per mm. measuring region, the conductor paths having thickness 0.05-10 microns and the measuring site having width less than 100 microns. Temp. profile of (I) is measured with this sensor during processing. Thermal potentials are conveyed through a cable lying in a cable channel of the tool to an amplifier and computer with A/D transformer. These measurements are carried out at different operating points of the machine for processing (I) and then thermal conductivity is determined as function of temp. and cooling rate with aid of several iterations of a simulation program and comparison of measurement and calculation. USE - Partic. in injection-casting and extrusion tools, also in analysis or measuring appts. for (I) (claimed).
Patent DE-4136639-A1 (DE)
Title: Electrical detection system for non dissolved gas in HF plant - uses fluid-filled capacitors to detect change in dielectric constant caused by gas penetrating liquid
Inventor: BORSI HOSSEIN
IPC: H02H5/08
Filed: 1991-11-07
Abstract: The system includes a capacitor arrangement comprising one or more capacitors filled with liquid and/or gas. Gases generated by breakdown, partial discharge or other faults, and which do not dissolve, enter the capacitor arrangement and penetrate the liquid there. This process causes an change in dielectric constant and capacitance of the capacitor arrangement. These values are electronically evaluated and displayed, for determination of the operating state of the high voltage equipment, of which the capacitor arrangement can form an integral part. ADVANTAGE - Improved sensitivity.
Patent DE-4201426-A1 (DE)
Title: Wire mesh inner wall elements for exhaust gas cleaning device - has wire mesh stiffened by corrugations running parallel to its weft or warp to avoid vibration due to pulsations in exhaust gas pressure
Inventor: STOEPLER WALTER DR
IPC: F01N3/28
Filed: 1992-01-21
Abstract: Device has a double-walled housing in which the inner wall is supported on the outer wall by means of an elastic mat. In particular, the outer wall is in two halves and supports by means of an elastic mat at least one honeycomb-structured exhaust gas cleaning element, inlet and outlet shield cones, and shield rings between neighbouring gas cleaning elements. The inner wall, and in particular the shield cones and rings, are made of a fine elastic wire mesh whose weft and warp cross each other at right angles. This wire mesh is cut at an angle to its weft and warp, and is stiffened by parallel corrugations. These corrugations are parallel to the weft or the warp of the wire mesh. USE/ADVANTAGE - For example in the exhaust gas systems of motor vehicles. The elasticity of the wire mesh is maintained while at the same time vibrations which may lead to failure of the mesh are eliminated or at least substantially reduced
Patent DE-4201952-A1 (DE)
Title: Method of supplying cold gas - has gas, in fluid form, fed into thermically insulated storage unit from which required amounts are then taken
Inventor: REBHAN DIETER
IPC: F17C9/02
Filed: 1992-01-24
Abstract: The gas in fluid form prior to feed into the storage unit (6) is evaporated and is heated or cooled to a specific temp.. The temp. of the cold gas is brought to a predetermined level at which it is maintained by cold storage masses inside the storage unit. The cold gas is fed to the user (9) via a conduit (15) passing around the storage unit (6). ADVANTAGE - Improves cold gas supply and allows storage over a long period of time in the required amount at an even temp..
Patent DE-4203696-A1 (DE)
Title: Appts. for injection moulding for prodn. of e.g. bottle crates with undercuts - has series of sliding members on each side of sides of cavity whereby outer members move outwards on oblique columns when mould is opened
Inventor: THOMAS WERNER
IPC: B29C45/33
Filed: 1992-02-08
Abstract: Appts. has gate and closure tools which are moved together so that when they are closed they enclose a cavity to produce a correctly dimensioned moulding. It has also sliding members for the cavity which are on the core belonging to the closure tool. These members are moved obliquely out of the cavity and mould jaws move on columns to externally confine the cavity and also move out obliquely. The columns for the jaws are located on the closure side of the equipment. In each case, one sliding member and one mould jaw which are on opposite sides of the cavity are fixed together but move at the ends of the layout most remote from the nozzle side. ADVANTAGE - The appts. produces, e.g., bottle crates even those with open sides and with undercuts and projections. Such mouldings are easily demoulded by the layout.
Patent DE-4204803-A1 (DE)
Title: Power take=off for agricultural tractor - has self acting automatic driven coupling activator depending on selectable lifting position of three point hydraulic
Inventor: HABEREDER ANDREAS
IPC: B60K25/06
Filed: 1992-02-18
Abstract: The three point hydraulic coupling, consisting of an upper link (2) and two lower links, is used to couple agricultural implements. The associated tractor power take off is used to drive the implements, and is operated by a lever from the drivers seat position. Depending on the lifting movement of the coupling activator an adjuster on one hand is synchronized to the movement, and on the other hand a draw bar (8) connects the coupling lever with the release lever (6). USE/ADVANTAGE - Agricultural tractor with stabilized power take off coupling.
Patent DE-4207778-A1 (DE)
Title: Feeding tickets into magnetic card reader - with reception arrangement for tickets and credit cards and drive for feed back of tickets and credit cards after data has been read
Inventor: LAUENROTH WOLFGANG
IPC: G07F7/08
Filed: 1992-03-11
Abstract: The drive (5) acts on a gear via which either the credit card (K) or the ticket (T) is fed back in the magnetic card reader. A blade (9) formed as a Leporello stack activates the ticket, and controls the gear. The gear incorporates a transport roller (3) located on a fork (11) applied to the blade. A further accommodation arrangement is provided for drawing in credit cards or tickets. When a ticket or credit card is placed in the accommodation arrangement it is guided between the transport roller and a further pressure roller (4), and a guide flap (1) admits the ticket or card into the magnetic card reader. USE/ADVANTAGE - For automatic reading of tickets, partic. for car parks, for which payment is made by credit card.
Patent DE-4208340-A1 (DE)
Title: Polyarylene ether] moulding materials with improved surface quality - contg polyarylene ether] and acrylate] graft rubber with bi:modal particle size distribution
Inventor: WEBER MARTIN DR
IPC: C08L71/00
Filed: 1992-03-16
Abstract: Thermoplastic moulding materials (I) are claimed, contg. (A) 70-98 wt.% polyarylene ether and (B) 2-30 wt.% acrylate graft rubber with bimodal particle size distribution. (A) has repeating units of formula -(Phe-SO2-Phe-O)- (III) and/or -(Phe-CMe2-Phe-O-Phe-SO2-Phe-O0- (IV) (with Phe = 1,4-phenylene). (B) is a graft copolymer rubber with a crosslinked base polymer derived from 1-10C alkyl (meth)acrylates and up to 25 wt.% styrene, alpha-methylstyrene, butadiene and/or (meth)acrylonitrile, and a grafted sheath obtd. from 1-4C methacrylates, styrene and/or (meth)acrylonitrile. USE/ADVANTAGE - Used for the prodn. of fibres, film and moulded prods. (claimed). Also claimed are moulded prods. obtd. from (I). Mouldings produced from (I) have high thermal dimensional stability, good weathering resistance and excellent notched impact strength, combined with good surface quality.
Patent DE-4209622-A1 (DE)
Title: View window for domestic cooker - comprises several plates with at least one sloping in relation to the others
Inventor: BORENS MANFRED
IPC: F24C15/04
Filed: 1992-03-25
Abstract: At least two plates form together an acute angle which can be between 0.5 and 10 deg. and Pref. between 2 and 6 deg. On the at least two plates one as the basic plate determines the plane of the view window and at least one further is inclined at the acute angle to that basic plane. The outer plate facing the inner chamber (12) acts as a basic plate and runs parallel to an inner plate (10). Between the two plates is a middle plate (28) which is inclined. The outer plate facing the chamber (12) with increased temp. and the next inner plate converge upwards. USE/ADVANTAGE - To lower the temp. of the outer panes of view windows in domestic cookers.
Patent DE-4213664-A1 (DE)
Title: Locally fixed three-dimensionally swivelling conveyor belt for moving loose materials - has guide on support frame automatically raising and lowering belt during swivel movement
Inventor: DUESEL WERNER
IPC: B65G21/12
Filed: 1992-04-22
Abstract: The seat of one part of the drive unit of the drive drum (4) on the support frame (1) is a loose bearing. An adjustment device (18) is set between the fixed bearing (17) of the drum and the support frame (1). The outer edges of the upper belt side between the support rollers (6), drive drum and following support roller are supported by slide plates (9) so that the upper belt side does not sag when loaded by material and the material no longer flows to the side. USE/ADVANTAGE - Space-saving design with min. free space in transition area between conveyors. Less material wastage during conveyance.
Patent DE-4217928-A1 (DE)
Title: Aceto:lactase synthase inhibiting herbicide compsn. - contg. new or known (hetero)aryloxy cpd. as safener, giving increased selectivity esp. in cereals or maize
Inventor: ZIEMER FRANK DR
IPC: C07C69/712
Filed: 1992-05-30
Abstract: Herbicidal compsn. contains (A) at least one herbicide selected from sulphonylureas, imidazolinones, triazolopyrimidine-sulphonamide, pyrimidyloxy-pyridinecarboxylic acid derivs. and pyrimidyloxy-benzoic acid derivs.; and (B) at least one substd. alkoxy or alkenyloxy-benzene, pyridine or pyridazine deriv. of formula (I) or its salt, where Y,Z = CX or N; A = 1-6C alkylene or 3-8C alkenylene; B = COOR, COSR, CONRR4, -CH(TR7)(TR8) or heterocyclic gp. of formula (a)-(c). X = H, halogen, 1-8C haloalkyl, 1-8C haloalkoxy, 1-8C alkyl, 1-8C alkoxy, NO2, NH2, CN, 1-8C alkylthio or 1-8C alkylsulphonyl; R = H, 1-18C alkyl, 3-12C cycloalkyl, 2-18C alkenyl, 2-8C alkynyl or -N = CR2R3; R2, R3 = H, opt. substd. 1-6C alkyl or opt. substd. phenyl; or R2 + R3 = opt. substd. 2-6C alkylene; R4 = H or opt. substd. 1-4C alkyl; or R + R4 = 2-5C alkylene, opt. with one CH2 replaced by O, NH or N(1-4C alkyl); R5, R6 = H or 1-6C alkyl; R7, R8 = H or 1-6C alkyl (opt. substd. by halogen, 1-4C alkoxy or Ph); R9, R10 = H or 1-6C alkyl (opt. substd. by halogen, 1-4C alkoxy or OH); T = O or S; m = 0-6. Also claimed are a method for protecting culture plants against the toxic side effects of herbicides (B), by applying (B) to the plants, seeds or soil, before, after or simultaneously with (A); and the use of (B) for protecting culture plants against (A). USE/ADVANTAGE - (B) are safeners (antidotes) for the acetolactate synthase (ALS)-inhibiting herbicides (A), providing greatly increased selectivity, esp. in cereals or maize. (I) are applied at 0.001-5 (pref. 0.005-0.5) kg/ha.
Patent DE-4218332-A1 (DE)
Title: Soft toilet seat cover - consists of enclosed circular flat element made of soft, heat insulated, non-absorbent foam with fabric insert, ventilation ducts and suction cups
Inventor: WAITZBAUER JOHANN
IPC: A47K13/14
Filed: 1992-06-04
Abstract: The cover for a toilet seat is an enclosed flat element (12) made of soft, heat-insulated, non-absorbent foam material. It incorporates a flexible, fabric insert (26). The upper side (22) of the flat element is kind to the skin and does not or hardly ever clings to the user's skin. The upper side incorporates ventilation ducts (24) welded to the flat element which is antibacterial. The underside (14) has fixtures in the form of suction-cups (16) symmetrically and evenly distributed. USE/ADVANTAGE - The toilet seat cover is easily mass-produced, comfortable to sit on and hygienic.
Patent DE-4228526-A1 (DE)
Title: Final compost rotting - using fresh air passing over side surfaces of initially rotted compost clamp with exhaust air extracted from top of clamp
Inventor: SCHNORR KARL-ERNST
IPC: C05F17/02
Filed: 1992-08-27
Abstract: To rot compost, gathered into a clamp (1), fresh air is passed over the side surfaces of the compost clamp (1), and exhaust air is extracted from the upper end of the clamp by suction. Also claimed is an assembly with a covering hood (2) shrouding the spread compost in a clamp (1). The exhaust air is pref. extracted by suction, or is thermally expelled and extracted through a fan (5) which generates an underpressure. The fresh air is delivered to the base of the clamp (1). The clamp (1) is covered by a shrouding (2). The exhaust air is passed through a biofilter (8) and/or a washer to deodorise it. USE/ADVANTAGE - The method is for further rotting of degradable material, especially from housing estates, after it has been through an intensive rotting phase. The material is processed with a reduced air consumption.
Patent DE-4228808-A1 (DE)
Title: Surface treatment of strip material - includes an additional spraying stage
Inventor: RITUPER RAFAEL DR
IPC: C23G3/02
Filed: 1992-08-29
Abstract: The method for chemical or electrochemical surface treatment of strip material involves continuous transport of the material through at least one vessel filled with a treatment liquid such as, for example, an acid, an alkali or a base. The strip is subjected to at least one spraying operation with this liquid. The appts. has at least one vessel (6) with a pump for spraying the strip (1) after the first dip treatment vessel (5). Pref. the strip (1) is subjected to spraying between two dip treatment vessels. Alternatively, it is sprayed either before or after the last dip treatment stage. The spraying pressure is adjustable. The spraying station (6) is located between two dip treatment vessels (5, 7). Alternatively, the spraying station is located either before or after the last dip treatment vessel (7). The spraying station incorporates a regulatable pump and a number of spray pipes arranged above the strip (1). USE/ADVANTAGE - Used for chemical or electrochemical surface treatment of strip material, esp. rolled material. The treatment time is reduced, while the working life of the liquid used for treatment is lengthened.
Patent DE-4230901-A1 (DE)
Title: Catalyst for prepn of phthalic anhydride by oxidn of ortho-xylene - contg large amt. of vanadium pent:oxide on amorphous aluminosilicate as micro-carrier.
Inventor: KOPPE JUERGEN DR
IPC: B01J23/22
Filed: 1992-09-11
Abstract: In a catalyst for the prepn of phthalic anhydride from o-xylene and atmos O2, an amorphous aluminosilicate is used as micro-carrier for V2O5 as active component. ADVANTAGE - The amt of V2O5 in the catalyst is 70-05% (claimed), giving a cheaper catalyst with high activity and selectivity, similar to that of V2O5/anatase catalysts contg 2-20% of V2O5. In industrial prodn the wt of catalyst is less, and the prepn and processing of the catalyst for the recovery of V2O5 is more economical and ecologically acceptable. In an example, (A) a suspension of aluminosilicate in a soln of vanadyl oxalate was evaporated, dried at 100 degC, ground and calcined at 450 degC to give a catalyst with 89 wt% of V2O5. (B) for comparison a catalyst with 18 wt% of V2O5 on anatase was used, and each catalyst was used in oxidn of o-xylene. Selectivity to phthalic anhydride was 109% in both cases. The relative pre-exponential coefft of the velocity constant was: (A) 1.01, (B) 1.00; the catalytically active mass, g, wrt 1g of V2O5 was: (A) 1.12, (B) 5.55.
Patent DE-4237035-A1 (DE)
Inventor: SAUER RALF DR
IPC: A47L9/14
Filed: 1992-11-03
Abstract: The invention relates to a vacuum cleaner dust bag, having a holding plate (1) which consists of a paperboard-paper material and has a seal-containing opening (9) for a suction pipe of a vacuum cleaner, the opening (9) being able to be closed from outside by a separate closure flap (10) having an insertion region, and proposes, in order to obtain an improved dust bag, that the paperboard-paper material is made three-ply (plies a, b, c) in the region of the opening (9) and at least two-ply in the remaining region of the holding plate (1), a rubber-ring seal (11) being held between two plies, preferably between the second and third ply (b, c). <IMAGE>
Patent DE-4243308-A1 (DE)
Title: Electrodynamic headphone transformer
Inventor: MICHAELIS ANDRE
IPC: H04R9/02
Filed: 1992-12-21
Abstract: The dynamic electro-acoustic transformer has a membrane (11) carrying the vibration coil (14). The circumferential edge (12) of the membrane (11) is fastened to a mounting frame (10). Two leads (15, 16) are fed to the coil (14) via the membrane (11).The leads (15, 16) are arranged in the same plane and do not cross each other. One lead (16) is wound into an S-shaped meander (20) with two unequal meander halves (21, 22). The first half (21) adjacent the coil (14) has a smaller mass than the second (22).