baber/WOPTO huggingface dataset:
Patent DE-1800935-A1 (DE)
Title: Purification step in a continuous alfin polymerisation
Inventor: BERNARD BABA THEODORE
IPC: C08F36/04
Filed: 1968-10-03
Abstract: A continuous alfin polymerisation process includes a step whereby after the finish of polymerisation the reaction mixture is treated with one of carbon dioxide, oxygen or an organic ester to react with the acetylides and metal derivatives of cyclopentadiene which are present in the reaction mixture. The recycling of solvent containing increasing amounts of cyclopentadiene and acetylene would have poisoned the catalyst. The ester is the ester of an alkyl alcohol and an aliphatic acid which contains 1-20C. The ester is of an alkyl or aromatic alcohol and an aliphatic or aromatic acid containing 6-20C.
Patent DE-1801061-A1 (DE)
Title: Resistance welding of welds in perpendicular planes by - common electrodes
Inventor: VORWERK WILHELM
IPC: B23K11/31
Filed: 1968-10-01
Abstract: The V-shaped electrodes are movable in the direction of the bisector of the angle between the two planes in which the weld spots lie. The location of the components to be welded is facilitated by projections on one of the two parts to fix the weld spots. The projections are elongated in the direction of electrode movement. The welding current is uniformly distributed by insulating bushes or washers. This method can be used to perform operations which otherwise need several separate operations.
Patent DE-1816126-A1 (DE)
Title: Water-stable contact adhesives comprising a mixture of two acrylic ter - polymers
IPC: A01D25/04
Filed: 1968-12-20
Abstract: Contact adhesive contains a terpolymer of 80-96 pts. 2-ethylhexylacrylate (I), 2.0-19 pts. N-octylacrylamide (II) and 1-4 pts. acrylamide (III) or methacrylamide (IV), with (II) + (III) or (IV) being at least 4 pts., and per 100 pts. terpolymer solids 1-10 pts. of an acrylic resin consisting of 30-40% tert.-butylacrylamide, 55-65% ethylacrylate, and 5-15% acrylic acid. Much more stable to moisture and immersion in water than similar known adhesives.
Patent DE-1917277-A1 (DE)
Title: Adhesives based on ethylene co-polymers and - organic peroxides
Inventor: HEINZ MUELLER-TAMM DR
IPC: C09J7/00
Filed: 1969-04-03
Abstract: Adhesives comprise 60 to 90 parts ethylene, 0.5 to 20 parts of an ethylenic-unsat. carboxylic acid and 0.5 to 20 parts of an ester of an ethylenic-unsat. carboxylic acid, together with 0.05 to 7 parts based on total copolymer of an organic peroxide. The composition may also contain 2 to 30% of a resin and 0.1 to 20% of magnesium oxide and/or zinc oxide. The adhesives are suitable for metal sheet, as in tins, canisters, drums, etc. and give improved adhesion with better elasticity at temps. below O degree C.
Patent DE-1945746-A1 (DE)
Title: Porcelain articles
Inventor: ROSA DE NAVAS ESCUDER MARIA
IPC: B28B1/00
Filed: 1969-09-10
Abstract: An outer layer of porcelain is poured into a known shape which has ornaments, decorations or similar on its free soft surface. After these have combined with the outer layer of porcelain, they are covered with an inner fluidic layer, whereupon, the shape is emptied after the joint between the two layers has set. The porcelain articles is then burnt in the usual way and, if necessary, further worked. Picture themes become completely transparent only when illumination passes through.
Patent DE-1947881-A1 (DE)
Title: Free radical sensitisation of photographic material
Inventor: INOUE EIICHI
IPC: G03G5/09
Filed: 1969-09-22
Abstract: Photographic material contains an organic photoconductor, a chromogen and a substance which produces free radicals when irradiated. Pref. 1-30% wt. of free-radical former is used, based on photoconductor. The photoconductor is at least one vinylcarbazole, pref. a halovinylcarbazole or one of their copolymers.
Patent DE-2037252-A1 (DE)
Title: Calcium-mangnesium silicate hydrates - with gradated basicity, for filling water glass etc
IPC: C04B35/22
Filed: 1970-07-28
Abstract: In prodn. of Ca-Mg silicate hydrates with gradated basicity, as in DT 2,028,227, Ca and Mg (hydr)oxides in 0.8-1.2 molar ratio are reacted hydrothermally with SiO2 in CaO:SiO2 molar ratio 1.8-2.2 in presence of water, then reaction prod. is treated with CO2. Prod. is esp. useful as filler with basic reactivity for water glass, setting rate being controllable within wide limits by use of 8-12% additive. It can also be used as filler for many other purposes. Wide variations in basicity can be obtd. simply by treatment with CO2.
Patent DE-2041406-A1 (DE)
Title: Filled paper prodn with improved loading
Inventor: LILIAN GIBSON PATRICIA
IPC: B29D7/01
Filed: 1970-08-14
Abstract: Fibrous sheet material with embedded solid particles is produced by adding these particles to pulp, freeing charge from water on sieve of paper machine and drying, solid particles being mixed with binder, before mixing with pulp, to homogeneous paste which can adhere to fibres. Pref. precipitant is also added to pulp. Suitable solid particles include clay, CaCO3, SiO2, wood flour, C, TiO2 and urea-formaldehyde and epoxide resins, whilst binder may be natural or synthetic glues or gums, pectin, alginates, melamine-formaldehyde resins, chemically modified polysaccharides, colophony or starches. By mixing filler and binder to paste before adding to pulp, it is possible to incorporate larger proportion of filler in finished product.
Patent DE-2126027-A1 (DE)
Title: Continuously slit stretched sheet - for making flat filaments forms neatly wound filament spool
IPC: D01D5/42
Filed: 1971-05-26
Abstract: In a method of longitudinally slitting tensioned plastic sheet to produce flat filaments, and then spooling the whole set of filaments, the unslit sheet is longitudinally stretched, then immediately before spooling it is longitudinally slit with frequent periodic interruptions to the slits, so that intermittent transverse bridges are left across the whole width of the sheet, still connecting the divided filaments together; this results in a stable, tightly packed spool. The prefd. appts. comprises a revolving set of parallel disc knives, all with flats or recesses to form the bridges between filaments. A lifting bar may be used to raise the sheet temporarily off the knives.
Patent DE-2134496-A1 (DE)
Title: Metallising plastics - substrate activation directly afer etching
Inventor: KLEIN HEINZ-GUENTER
IPC: C23C18/30
Filed: 1971-07-10
Abstract: Method involves activating the substrates, esp. ABS or polypropylene polymer, immediately after etching in a chromic acid soln. or possibly after water washing, using an acid soln. of a noble metal salt. The soln. is pref. a soln. 10-500 (150) mg/l Pd in sulphuric acid at 10-80 degrees C. Activation is then followed removal of Cr(VI) cpds., reduction of noble metal ions to the metal and electroless plating. Activation before removal of Cr (VI) cpds is possible because of the absence of impurity ions and smaller noble metal ion concentration in the activator soln. can be used.
Patent DE-2137480-A1 (DE)
Title: Rope stranding machine - housing with two rollers for wire transfer improves efficiency
IPC: H01B13/02
Filed: 1971-07-27
Abstract: The transfer mechanism shifts the wire from one coil to another, each housing being mounted on the spindle between a pair of coils and carrying roller with guide funnel, and roller with a swing unit. The axes of the rollers intersect the spindle axis at right angle with one roller shiftable in a plane perpendicular to the latter while the other one is moved parallel to the spindle axis. The wires pass through funnel, over rollers and reach the stranding dia via a guide. The core of the rope is fed through the central tube of the spindle at a rate matching the rate of stranding and the wire tension is controlled by a belt. The tension of wire is adjusted by clutches with their coils that are energized independently of each other, and the drive shaft rotating separately from the spindle allows slip of clutch. the empty bobbin receives the wire when coil is excited and the winding is ended before the reserve wire on the supplying coil is reached.
Patent DE-2153050-A1 (DE)
Title: Sludge/sewage sterilization - combined withdensification using heat treatment
Inventor: BUYSCH PETER DIPL ING
IPC: C02F11/13
Filed: 1971-10-25
Abstract: The heat is supplied by direct exchange from combustion gases brought into intimate contact with the sewage sludge e.G. by bubbling them through it from an immersed burner or by spraying the suspension into an ascending stream of the combustion gases. In either case, before being released to atmos, the gases may be used in a preheater stage.
Patent DE-2212702-A1 (DE)
Title: Warp knit - using two yarns for the wales alternating with the wefts
Inventor: FRITZ EGON
IPC: D04B21/00
Filed: 1972-03-16
Abstract: The ground fabric is composed of additional stitch-forming yarns instead of standing threads, and the stitches in the wales are formed by alternating the yarns to increase the tear strength and non-slip character of the fabric.
Patent DE-2220099-A1 (DE)
Title: Soft magnetic ternary alloys - consisting of iron aluminium and chromium, vanadium, cobalt or nickel
IPC: C22C38/06
Filed: 1972-04-25
Abstract: Alloys contg. 12 to 16.5-18% Si, and Cr 1-10 or, V 1-7, or Co 1-15, or Ni 1-10 (in wt.%), balance Fe have low eddy current losses, relatively high abrasion resistance. Suitable for mfr. of magnet cores and heads.
Patent DE-2247968-A1 (DE)
Title: Semiconductor with rectifying electrode - comprising very thin niobium oxide layer topped with aluminium layer
Inventor: KUISL MAX DR
IPC: H01L21/00
Filed: 1972-09-29
Abstract: Semiconductor, pref. monocrystalline Si, is provided with a rectifying electrode(s) comprising a 0.1 mu thick Nb2O5 layer formed on the semiconductor surface by hydrolysis, and an Al layer formed on top of the Nb2O5 layer and subsequently tempered. The direction of the rectification depends on the conductivity type of the semiconductor. This arrangement is esp. suitable for semiconductor diodes.
Patent DE-2251209-A1 (DE)
Title: Foam asbestos plates - made from infra-red radiation dried foam
Inventor: GOTTSCHALL HERBERT
IPC: F26B3/30
Filed: 1972-10-19
Abstract: The plates are made by the passage of high moisture content foam material passed over a radiant heat source, which applies radiation of a wave length and intensity adjusted for the heat to penetrate continuously and slowly into the core of the material, the mass of which is held constant by the balancing of the vapour pressure in the mass with the exterior atmos. pressure. Along the surface of the mass is passed a high moisture content, temp. and humidity controlled air stream for the moisture removal from the material and control of the steam pressure in its interior.
Patent DE-2326030-A1 (DE)
Title: Sewage treatment plant - with shredder, mixing tankand microwave generator
Inventor: ROSENBERG H COLMAN
IPC: C02F1/30
Filed: 1973-05-22
Abstract: A sewage treatment system consists of a shredder and a mixing tank, a float in the latter controls the shredder and a pump downstream. Some of the discharged sludge can be recirculated into the mixing tank, the rest is passed to a microwave generator with a waveguide section and a target through which the effluent flows. The coagulated solids are removed in a filter, the purified liq. is discharged.
Patent DE-2326076-A1 (DE)
Title: Photometer reads protein electropherogram - using wavelengths equal to absorption minima of sheet and maxima of protein
Inventor: WENZEL MARTIN PROF DR
IPC: G01N21/59
Filed: 1973-05-18
Abstract: A photometer for measuring protein electropherograms on cellulose acetate sheet utilises measuring wavelengths of 3.1-3.2 or 6-6.5 mu, i.e. the absorption minima of cellulose acetate. Pref., the receiver used is a detector having max. sensitivity at an absorption min. of cellulose acetate, with a steep sensitivity drop for the longer wavelengths, esp. indium antimonide or lead sulphide.
Patent DE-2326485-A1 (DE)
Title: Yarn suction gripper switch - formed by axially slidable sleeve on suction gripper ejector tube to supply or cut off supply
Inventor: HOFFMANN BERND
IPC: B65H51/16
Filed: 1973-05-24
Abstract: Yarn suction gripper compressed air supply switch is formed by a sleeve mounted axially slidably on the outer tube of the ejector which forms the suction gripper, whereby the sleeve is provided with a radial bore which communicates with the radial bore in the outer tube when the sleeve is moved from an air supply obturating posn to a posn in which the radial bores are aligned.
Patent DE-2328330-A1 (DE)
Title: 3-Methylindole and indole prodn - by cyclisation of 2-(o-aminophenyl)-1,3-propanediol on a catalyst contg. chromium and copper
Inventor: GRIGOLEIT GEORG DR
IPC: C07D209/08
Filed: 1973-06-04
Abstract: Indole and 3-methylindole are prepd. by cyclisation of 2-(o-aminophenyl)-1,3-propanediol (I) in the presence of H and H2O on a SiO2-based catalyst contg. CrO2, CuO and BaCrO4 at 220-350 degrees, pref. 250-300 degrees, contact time being 1-20, pref. 3-10 secs. The prod. is 3-methylindole with ca. 20% indole, which are sepd. by fractional distillation; a higher proportion of indole is obtd. by introducing pyridine (2-5, pref. 3 moles per mole of I) to the reaction mixt.
Patent DE-2331628-A1 (DE)
Title: Recording medium stepping control - has swing frame with pitching slide which operates shift indexing mechanism
Inventor: WENZEL DIETER
IPC: B41J19/20
Filed: 1973-06-22
Abstract: The shift mechanism is used in mosaic printers for indexing the head with a single needle or with several needles or wires when the recording medium is transported at right angles to the direction of typing. The reciprocating frame carries the shifters which drive ratchet wheels with their pointed ends. The wheels are attached to the common indexing shaft and exhibit a relative shift of their teeth amounting to a half-pitch. The teeth have their edges chamfered for facilitating the engagement by the shifters.
Patent DE-2333084-A1 (DE)
Title: Carded fibre supply hopper - with reciprocable tine assembly supporting residue of carded fibres during idle period of hopper to prevent flocculation
Inventor: STROBL OTTO EDUARD
IPC: D01G23/02
Filed: 1973-06-29
Abstract: Carded fibre supply hopper supplying the fibres to an underlying conveyor is provided in one of its vertical side walls with an array of holes through which are insertable tines carried by a reciprocable carriage, which is moved towards the hopper when the conveyor is stopped to prevent compaction of fibres in the hopper under action of gravity.
Patent DE-2333324-A1 (DE)
Title: Concrete construction reinforcing lattice girder - with structural support chords below lattice apexes and hooked upper sections passing into diagonal struts
Inventor: HAYESSEN WOLFGANG DR ING
IPC: B21F27/20
Filed: 1973-06-29
Abstract: The girder comprises one or more bottom chords and parallel structural support chords, and a wire lattice structure with angled diagonal struts. The support chords lie in a plane at an interval from the apexes of the latter, and the lattice areas extending upwards from them comprise looped or hooked sections with shank ends crossing over into the struts in the support chord area. There may be support chords on both sides of the lattice structure, which may comprise one continuous wire. Prescribed rigidity is attained with less material being used than in a conventional structure.
Patent DE-2333623-A1 (DE)
Title: Interlocking paving stones or road slabs - with undercut protuberances and corresponding undercut recesses
IPC: E01C5/00
Filed: 1973-07-02
Abstract: The stones in plan are shaped like jigsaw pieces, and may have protuberances on two adjoining sides, and recesses on the other two adjoining sides. They lock firmly together when laid, and cannot be laterally displaced. In variation regarding the geometry of the interlinking protuberances and recesses, the contours involved can be either planar or curved, the latter simulating the shapes of a conventional jigsaw puzzle. The gap between adjoining stores may be filled with sand, and if necessary in order to facilitate the laying of the stores this gap may be widened to a certain extent. In a variation the side surfaces between the recesses and protuberances can be aligned at an angle to the other sides.
Patent DE-2336981-A1 (DE)
Title: Resilient spool for winding elastic material - means in central axial opening for supporting inner wall
Inventor: NEWMAN JAMES W
IPC: B65D85/676
Filed: 1973-07-20
Abstract: The resilient spool has a radial opening through which the end of the material is inserted. Packaging is inserted in an outer wrapping sleeve and means are provided in its central axial opening to support the inner surface of the packing and so prevent the packing from collapsing. The packing support consists either of foam blocks placed against the packing of surface and held in position by top and bottom cover of outer wrapping of the packing or by conical inserts, or the wall of the packing is supported by soft granular material filling the space formed by the central axial opening.
Patent DE-2338685-A1 (DE)
Title: Analog regulator with output dead-band - has reference level output valve when output lies between pre-set limits
Inventor: KUNDT WERNER DR
IPC: G05B6/02
Filed: 1973-07-31
Abstract: An analog regulator operates with an output dead-band between pre-set limits. The dead-band operation is determined by three relays such that if the output lies between the limits then the reference level is held at the output level, i.e. the regulator effect on the system is held constant. When the output swings outside of the pre-set limits the reference adopts either the upper or lower limit value. The dead-zone facility is particularly advantageous for Ph value regulation of neutralisation processes, where in the region of Ph = 7, the Ph value is very sensitive to changes in flow. The control may be either pneumatic, hydraulic or electrical.
Patent DE-2346149-A1 (DE)
Title: Delivery station for bulk gravel, sand or coal - has two tracks for bucket scraper bridging hopper(s)
Inventor: CHRISTOPHEL JOHANNES
IPC: B65G67/24
Filed: 1973-09-13
Abstract: Delivery station for gravel, sand or coal has hopper(s) fed with the material and a conveyor for removal below it. Two travel tracks bridge the hopper(s) for a scraper which empties its bucket only between the tracks into the hopper. Preferably the tracks consist of two supported paths, and ramps enable the scraper to travel onto and off them. The ramps are of heaped earth masses, steel or concrete. The ground below the tracks is raised for arrangement of the hopper(s) with the conveyor section below. There is at least one aperture in the wall framing of steel piles, concrete, wood, or brickwork around the hopper(s).
Patent DE-2352225-A1 (DE)
Title: Vehicle alternator rectifier assembly - has horseshoe cooling plate with rectifier elements in its recesses interconnected by cct. board
Inventor: NAGAI YUKIO
IPC: H02K11/04
Filed: 1973-10-18
Abstract: The rectifier assembly for vehicle alternators has a horseshoe-shaped cooling plate that fits coaxially around the alternator shaft at the slipring end and has recesses to contain the individual rectifier elements. The top surface of the cooling plate carries the printed circuit board that interconnects the various elements and terminals. The conducting paths are on the outside surface of the board. The board and plate are screwed to the inside of the alternator bearing plate. The cooling rib rim of the plate is bent away from the bearing palte at an angle that will still allow further cooling plates with their rectifiers to be stacked one on top of the other inside of the alternator.
Patent DE-2352927-A1 (DE)
Title: Magazine for transparencies with U-clip - has open end with retaining clips and spring loaded pressure plate to push transparencies out
Inventor: BESANCENOT SERGE
IPC: G03B23/02
Filed: 1973-10-22
Abstract: The transparency magazine has an open end through which the transparencies are inserted and removed, with the stack of transparencies pushes towards the open end by an internal, spring loaded plate. A larg U-clip is clipped around the magazine with the free ends forming retaining tags at the edge of the open of the magazine. When inserted into the projector the clips are prised apart automatically to gain access to the stack. The sides of the open end are provided with cut-outs through which the slide change mechanism can operate. The arms of the U-clip also form guide surfaces by means of which the magazine is located in the projector.
Patent DE-2356426-A1 (DE)
Title: Main sail for water craft - has trapezoidal symmetrical shape to take advantage of wind on both sides
Inventor: NAAKE LUDWIG
IPC: B63H9/06
Filed: 1973-11-12
Abstract: The sail has a trapezoidal shape, with a central upright mast. The foot of the mast is held in a tubular sleeve, so that the sail angle may be adjusted by rotary movements. An adjusting unit with lock may be operated manually or by machine. The sail consists of several telescopic sections raised and lowered by winches. The arrangement, which is both aerodynamic and symmetrical, is arranged in a number of frustro-conical units mounted above one another. The inside dia. of the top of one is the same as the external dia. of the bottom of the next, so that the unit may be telescopic for storage.
Patent DE-2356748-A1 (DE)
Title: Folding wrapping with centring holes in base
IPC: B65D71/14
Filed: 1973-11-14
Abstract: The wrapping is partic. for a set of items such as bottles or cans, having base, sides and top folding together. Openings are formed in the base for the insertion of holding mandrels, to centre it during the filling operation etc. Where two rows of bottles are accommodated, each opening can be in the square enclosed by four adjacent ones, or with a single row it can be situated in the free area to the side between them. The advantage is that the sets of bottles can easily be held in position during bulk handling, using pallets provided with suitable mandrels.
Patent DE-2400541-A1 (DE)
Title: Wall element for office or library - has fastening elements projecting from stiff frame through outer covering
Inventor: OHLSON KURT LENNART
IPC: E04C2/38
Filed: 1974-01-07
Abstract: The frame forms an inner stiffening for the wall element and is situated wholly within the outer covering which is preferably made of sound-insulating plastics. The fastening elements are secured to the frame as by welding and project through the covering at least as far as the outer outer surface thereof. The fastening elements may be either a socket flush with the surface of the covering or a plug or the like projecting from the covering and intended to engage a socket of an adjacent wall element. The covering may be detachable. The plugs may engage an outer frame or a pillar.
Patent DE-2401589-A1 (DE)
Title: Manual feeding of signals into electronic device - receiver has two photosensitive elements for signal light and ambient light
Inventor: BISTERFELD MANFRED DIPL ING
IPC: H04B10/80
Filed: 1974-01-14
Abstract: The photosensitive elements are placed in a receiver adaptor plane, and are followed by a logic circuit which delivers a signal when the signal light element is illuminated, and the ambient light element is not. A movable sender with a light source has an adaptor surface with a light exit aperture. When this is in line with the receiver adaptor surface, the ambient light sensitive element is covered, and the signal light element illuminated. The sender and receiver adaptor surfaces are round and of the same size, with the light exit aperture and the signal light sensitive element in their centres. The sender adaptor surface consists of the end face of a conical or cylindrical projection, and that of the receiver of the bottom of a conical or cylindrical recess.