baber/WOPTO huggingface dataset:
Patent DE-2543725-A1 (DE)
Title: Reinforced concrete track bar connection - with thickened steel zone in stepped ribs from groove banks
Inventor: WOLTER RUDOLF
IPC: E04C5/16
Filed: 1975-10-01
Abstract: The rib steel connections are for use in concrete for reinforced concrete track slabs in a railway permanent way superstructure without ballast, or elsewhere. This incorporates steel bars or ribs calibrated in steps. Here there is a thickened steel zone, relative to the dia of the next step downwards. The thickened zone consists of a groove embankment, thrown up by chisel scoring. Smooth bars or steel zones with grooves of this type, or thrown-up groove embankments, can be matched as step units, with any required variation in groove alignment. The continuous reinforcement can be protected with a sleeve and the non-rusting thread serration remains effective even if the working joint gap becomes more widely opened.
Patent DE-2544186-A1 (DE)
Title: Angle adjustment system for seat - consists of fixed angle backrest and seat assembly with pivoting rear legs to adjust sitting or lying position
Inventor: ESSLINGER HARTMUT
IPC: A47C3/12
Filed: 1975-10-03
Abstract: This chair is adjustable between sitting and lying positions. The chair consists of a backrest (20) which is connected a fixed angle of over 90 deg. to the seat (10). The upholstered seat (10) is raised at each side to form arm rests (22). The seat hangs over the front of the chair to run into the support stands (11) whose base is rounded to allow the stands to remain firm at all angles of the chair. In the back of the chair is a depression (15) in which are pivoted a pair of rear legs (16, 17) with rounded bases (25, 26). The legs are connected for stability with a cross pole (24). The rear legs (16, 17) are provided with an adjuster and release mechanism to allow the angle of the chair to be altered to any required position.
Patent DE-2545729-A1 (DE)
Title: Red disazo pigments for colouring plastics - also used in printing inks, laminated paper, spin-dyeing viscose, etc.
Inventor: JUNGE HELMUT DIPL CHEM DR
IPC: C09B43/38
Filed: 1975-10-11
Abstract: The novel diazo pigments are of formula (I): (where A is a divalent aromatic residue of the benzene, naphthalene or diphenyl series; R1 and R3 are H, Cl, Br, alkyl, alkoxy, NO2, CN, alkylsulphonyl, arylsulphonyl, carboxyl, carbamoyl, sulphamoyl, N-substd. carbamoyl or sulphamoyl, carbalkoxy or quinazolonyl opt. substd. by Cl, Br or NO2; R3 is H or X is -O-N-C(R)-, -N=C(R)-O- or -O-C(R)= N R being opt. substd. aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic gp.). (I) are red pigments for p.v.c. polyethylene and polypropylene, and for lacquers and printing pastes. They are also suitable for spin drying e.g. viscose and for colouring phenoplasts, aminoplasts, thermoplasts, laminated paper and sheet and textile printing.
Patent DE-2547655-A1 (DE)
Title: Halo-substd. anthraquinones prepn. - by catalytic oxidn. of diphenyl methane cpds. in gas phase
Inventor: REUTER PETER DIPL CHEM DR
IPC: C07C46/02
Filed: 1975-10-24
Abstract: Halogen-substd. anthraquinones are obtd. by the gas phase oxidn. of diphenylmethane cpds. of formula (I):- (where R1-3 are each H or an aliphatic gp; X aY are each halogen, or the Y gps. and one X gp. may be H) in the presence of a catalyst contg. TiO2 and/or ZrO2 and V2O5 in a wt. ratio of 0.004-0.75 pt. V2O5 based on 1 pt. TiO2 and/or ZrO2. The prods. are useful as raw materials esp. for the prepn. of substd. anthraquinones. The hitherto difficulty obtainable 1-chloroanthraquinone may now be obtained from mono-, di- and polyhaloanthraquinones. The aminoanthraquinones which are also obtainable, are useful in the prepn. of vat dyes and light fast lacquer pigments. In an example, mixt. of 5- and 6-chloro-2-methyldiphenylmethane was oxidise to give a mixt. of 1- and 2-chloroanthraquinone in a 1:7 ratio.
Patent DE-2548388-A1 (DE)
Title: Fitted furniture unit with built in appliance - has door and mounting plate with alignment holes for correct positioning
Inventor: KERPERS WERNER
IPC: F25D23/10
Filed: 1975-10-29
Abstract: The fitted furniture unit is provided with a built-in appliance such as a refrigerator whose door opens and closes at the same time as the front facing door of the unit. It is possible to check that the built-in appliance is correctly positioned, which is important if a sealing fit of the door is to be achieved. The base (1) of the niche (2) or recess of the furniture unit has a plate (3) having recesses (6, 7) for the alignment and/or mounting of the refrigerator so that the distance of the refrigerator from the side walls and front of the unit is thereby determined. This plate can be used for both right-handed and left-handed doors fitted to the refrigerator.
Patent DE-2549789-A1 (DE)
Title: CRT for colour TV - has thin rectangular shadow mask mounted to rigid frame at edge centres and with play at rest of edges
Inventor: ROEDER DIETER DIPL PHYS
IPC: H01J29/07
Filed: 1975-11-06
Abstract: The colour TV CRT has a rectangular screen and a thin rectangular shadow mask attached at its edges to a stiff frame. The shadow-mask is fixed to the frame over not more than 20% of its side length in the middle of the sides. the remaining edge and corner areas are so attached to the frame that both tangential and radial expansion of the shadow-mask is possible. The middle areas are fixed direct to the frame. The corner and other edge areas are attached to it via flexible resilient members which extend in the direction of the tube axis.
Patent DE-2554800-A1 (DE)
Title: Safety plug for fire extinguisher gas bottle - holds bursting disc down against sealing ring at bottom of mouth recess
Inventor: BEUTEL GERHARD
IPC: A62C13/70
Filed: 1975-12-05
Abstract: A gas bottle for use with a fire extinguisher has an externally threaded neck (1) which is also internally threaded for a plug (5) which traps a bursting disc (3) against a sealing ring (4) which seats on a smaller diameter shoulder (2) at the bottom of the recess. At least one overflow channel (7) is incorporated at the bottom fo the internally threaded part, communicating with a channel around and slightly below the level of the small diameter shoulder. In another design, the bursting ring is incorporated in the base of the threaded plug. The surface of the shoulder has a groove across it.
Patent DE-2554996-A1 (DE)
Title: (3)-Alkyl-isoquinoline cpds. prepn. - by reacting benzylamines with glyoxal acetals and cyclising with polyphosphoric acid
Inventor: HERBERZ MANFRED DIPL CHEM DR
IPC: C07D217/02
Filed: 1975-12-06
Abstract: In a new process benzylamines are reacted with glyoxal monoacetals of formula R1-CO-CH(OR2)2, (I), (where R1 and R2 are 1-4C alkyl) and the product is cyclised by treatment with polyphosphoric acid. 3-Alkyl-isoquinolines such as 3-methylisoquinoline are useful as intermediates for pharmaceuticals. Reaction of benzylamines with (I) gives the corresponding Schiff's bases in good yields, and these can then be converted into 3-alkylisoquinolines in good yield. In an example, benzylamine and methylglyoxal dimethyl acetal are refluxed in toluene (water separated) to give 2-benzylimino-propionaldehyde dimethyl acetal. Part of this is treated with polyphosphoric acid over 2 hrs. at 60-80 degrees C and stirred 2 hrs. at 80 degrees C to give 3-methylisoquinoline.
Patent DE-2555511-A1 (DE)
Title: High pressure under water gas pipeline - has ultrasonic source detector system used to detect and located gas leaks (NL150676)
Inventor: ROBERTS ARTHUR
IPC: F17D5/06
Filed: 1975-12-10
Abstract: The system is for testing an underwater high pressure gas pipeline and for checking of and location of leaks, uses an ultrasonic source and detector separated by some 1500 metres (horizontally) from the pipeline and moved along parallel to the pipeline. It has an impulse oscillation frequency of 20-50kHz at 0.1-10 impulses/sec in a planar front of 1/2-10 deg., spread at an angle of 2-45 deg. to the horizontal. The gas pipeline pressure is some 3.5-210 atmospheres and the disturbances resultant in the impulses received by the detector when they impinge upon gas bubbles escaping from the pipeline are recorded and evaluated to allow exact location of the leak.
Patent DE-2555645-A1 (DE)
Title: Railway track mobile rail head polishing machine - has auxiliary running gear with apron activating control switch on encountering obstacle
Inventor: HELGEMEIR HEINRICH
IPC: E01B31/17
Filed: 1975-12-11
Abstract: The railway track rail head polishing machine incorporates sets of running gear mounted so that they can be raised and lowered beneath the vehicle frame. It is designed to prevent damage from obstacles in the track area, and eliminate the need for preliminary inspection in advance of the machine. It also permits one-man control from the driver's compartment, and polishes up as far as any obstacle. Sets of running gear are mounted at fixed intervals before and after those fitted for support and guidance of the polishing assemblies (3). These additional units carry a swivelling apron, extending across the track and below the rail surface plane. The apron activates a switch for control processes if they encounter an obstacle. Rail checking appliances may be mounted, to convey data to the driver.
Patent DE-2555684-A1 (DE)
Title: Electronic organ tuning system - enables several different voicing systems to be operated using various starting frequencies
IPC: G10H1/44
Filed: 1975-12-11
Abstract: In an addition to 2549237, an electronic organ can be made to produce sounds of a different nature to those normally associated with conventional electronic organs. The nature of the sounds which may be produced are wide in range and include the Gottpied Selbermann voicing type system (high baroque). Another voicing system which may be utilised is the "well tempered" type as used by Bach and also the Kirnberger III type system. The basis of these various voicing systems is the way in which the various notes are built up in sequence from their various starting frequencies.
Patent DE-2556237-A1 (DE)
Title: Open:end spinning station servicing - has a number of programmes to allow mobile unit to rectify a variety of faults
Inventor: STAHLECKER FRITZ
IPC: D01H4/50
Filed: 1975-12-13
Abstract: A mobile unit travels along the spinning stations. A programme gives timed maintenance operating phases. The various programmes provide the phases and/or timings for the tasks to be executed, dependent on the operational state of hte open-end spinning unit requiring attention. Each maintenance unit has a selection switch to activate the appropriate programme according to the state of the open-end spinning station being maintained. Each open-end spinning unit has a switch to trip the selection switch, so positioned that it can strike the selection switch as the maintenance unit travels past the spinning station. The selection switch activates the required programme by a signal which is mechanical, optical, acoustic, pneumatic and/or electrical. The system allows a common maintenance unit to be used for all the spinning stations, even though individual units may be spinning yarns of different types and may register a variety of faults to be corrected.
Patent DE-2558672-A1 (DE)
Title: Application of liquid samples esp. in thin-film chromatography - using piston-pipette not wetted by sample liq.
Inventor: SEILER NIKOLAUS DIPL CHEM DR
IPC: G01N1/00
Filed: 1975-12-24
Abstract: An appts. for quantitative application of liq. samples esp. onto thin-film chromatography plates includes >=1 microlitre pipette, which is detachably connected via a storage capillary to the capillary from which the sample is discharged. Samples likely to corrode or cause adhesion of the piston pipette are prevented from coming into contact with it. The pipette can be filled with an incompressible fluid which decreases the leakage rate around the piston head and has a lower coefft. of thermal expansion than air. Thus errors due to temp. variations are substantially reduced.
Patent DE-2602179-A1 (DE)
Title: Flame resistant polycarbonate materials - contg. halogenated polycarbonate and diantimony tetroxide
Inventor: KAMIYAMA SEIICHI
IPC: C08K3/00
Filed: 1976-01-21
Abstract: Flame resistant polycarbonate materials are characterised by contg. (a) a halogenated polycarbonate or a mixt. of a halogen cpd. and a polycarbonate and (b) Sb2O2. Satisfactory flame resistance (Grading V-O on UL94 test-Underwriters Laboratories Inc. and high O2 Index) are achieved without loss of appearance or deterioration in physical prods. Pref.(a) consists of polycarbonate having repeating structural units of formula where R1 and R2 are the same or different and = H or lower alkyl and at least one benzene ring has at least one halogen substit. The number of carbonate linkages can be 2-70 (pref. 2-50 and partic. 2-10. (b) has been shown by chemical analysis to comprise Sb2O3 and Sb2O5 but is not a simple mixt. but an independent substance with its own crystal structure. It is used at 0.1-50 pts. wt. pref. 0.2-30 and partic. 0.3-20 pts. wt. per 100 pts. wt. polycarbonate.
Patent DE-2608857-A1 (DE)
Title: Joint seal for concrete structures - comprises plastics strip and thermoplastic cladding on faces of structure abutting seal
Inventor: KRAH ROBERT DIPL ING
IPC: F16L25/00
Filed: 1976-03-04
Abstract: Seal between concrete structures (2, 3) esp. concrete pipes in drainage systems comprises a strip (1) of plastics material engaged between abutting faces of the structures. The strip has a transverse portion engaging the outside surface of the structures where the transverse portion is secured by adhesive. At least one of the abutting faces of the structures is covered by a cladding (9) of thermoplastic material applied either directly to the face or applied to sheet metal cast in situ with the structure. The seal is adhered to the cladding to improve sealing and protect the strip.
Patent DE-2609623-A1 (DE)
Title: Rotary piston engine tangential gap seal - comprises seals with parallel teeth contacting toothed edges of sealed component
Inventor: BISCHOF BERNHARD ING GRAD
IPC: F01C19/02
Filed: 1976-03-09
Abstract: Seal for the tangential gaps in rotary piston engines with circular working cylinders, in which seals (10, 30) have teeth (11, 31) which possess parallel directed sealing tooth edges (12, 32) which contact the similarly directed tooth edges (13) of the component to be sealed. The sealing tooth edges (12, 32) effect parallel displacements in order to contact angularly at their sealing location on the seal surfaces (15, 29), motivated by spring, gas or centrifugal forces. The seal units are formed as check pieces, which are more or less firmly attached to the corresponding piston, and complement the teeth (13) on the part to be sealed as far as the piston hub, and with them seal against the teeth of another sealing unit (10).
Patent DE-2610103-A1 (DE)
Title: Equipment for producing packing for sheet-material - has base plate with stops for packing frame positioned at side of conveying equipment
Inventor: WEHRLE JOSEF
IPC: B65B11/58
Filed: 1976-03-11
Abstract: Equipment for producing packings enclosing sheet shaped contents, consists of a right angular enclosed frame in which the sheet material is stacked side by side in vertical position. The frame is wrapped in a shrunken foil which is enclosing its open sides. At least one packing station has a base plate at the side of a conveying equipment leading to a wrapping station. The base plate has stops for the frame which are limiting a space open in direction of conveying, and positioned at the same level as the conveying equipment. The base plate includes a section which is pivoting in downwards direction in such a way that its edge located away from direction of conveying is positioned below the base plate. The section has on its edge positioned away from direction of conveying with a stop bar and the stops for the frame walls positioned acrss direction of conveying are formed by rigid sections of the base plate projecting over the downwards pivoted section of the base plate.
Patent DE-2612384-A1 (DE)
Title: Coalplough waste side guide system - has shoe support between trapping shoe and baseplate hinged to baffle lengthways along face
Inventor: BAEHRE KARL
IPC: E21C35/08
Filed: 1976-03-24
Abstract: Coalplough waste guidance system complete with baseplate and waste side mounted trapping shoe for anchoring to the conveyor. Between trapping shoe (2) and baseplate (1) is a shoe support (3) which is pivotal connected to the baseplate via a hinge joint (4) arranged in the longitudinal direction of the face. The shoe support should incorporate a driver (5) for the trapping shoe (2) and the driver should be plate shaped so as to pass radially into the cylindrical part of the trapping shoe (2). Driver plate and shoe (5, 2) can be drilled so as to register and admit a locking bolt which is in turn made fast by cotter pins either end. The hinge joint (4) should lie below the pushover angle on the conveyor (7) on the waste side, so that the hinge axis runs the same way as the plough but clear of the lower plough guide track.
Patent DE-2614475-A1 (DE)
Title: Joining of thermally insulated wall panels - has internal tie rods which screw into nuts with longitudinal and transverse holes
Inventor: SONN WILHELM
IPC: E04B1/61
Filed: 1976-04-03
Abstract: Assembly of standard insulated wall panels produces insulated containers of various sizes. The walls are of the type formed from an expanded insulating core sandwiched between cover plates and have chamfered edges, so that mitred corners are made. To assemble such panels and to take the thermal expansion and contraction loads, it is proposed that long rods with threaded ends be passed through the centre of the core at right angles to the joined edge. Where they meet, one of the bolts carries a long nut which has a transverse tapped hole, so that the other rod may be screwed in. The force applied across the joint is regulated by the tension in the rod, which has a nut on the other end bearing on the sleeve which surrounds each rod. Hinged corners may be constructed in a similar way.
Patent DE-2615181-A1 (DE)
Title: Acquisition leaflet for flush mounted electric installation - has partial strips simulating 3 dimensional reproduction
Inventor: GIERSIEPEN WERNER
IPC: G09F5/04
Filed: 1976-04-08
Abstract: Publicity material such as brochure etc. has reproduction of front of sunken device or recessed switch etc. and makes use of cutouts. A section of the publicity medium reproduces in appearance and in size the original of sunken devices or recessed switches etc. The cutouts are connected to the publicity medium by means of narrow strips thus allowing easy separation. The separable section of the publicity medium is approximately rectangular and its length and width correspond to the original. The brochure allows checking the suitability of sunken devices or recessed switches for meeting requirements and matching colours.
Patent DE-2615864-A1 (DE)
Title: Sheet cutting and stacking machine - has combined vacuum and pressure roller to transport sheets to stack
Inventor: VITS HILMAR
IPC: B65H29/24
Filed: 1976-04-10
Abstract: Paper sheet to be cut into individual sheets by a rotary cutter is fed by a pair of feed rollers onto the feed table (6). An upper roller (7) operates with an internal vacuum, air being drawn through the perforations so that the upper part of a cut sheet adheres to the roller. The sheet is separated from the roller by a comb (21) at a point where the vacuum is cut off. Small rollers (e.g. 33) are also fitted with vacuum ports and feed the sheet to the extremely of the table (10) where the stack is joined.
Patent DE-2620382-A1 (DE)
Title: Ring blank rolling machine - has double acting piston carrying alternative counter mandrels to prevent formation of flashing
Inventor: HAMPE HEINZ ING GRAD
IPC: B21K1/76
Filed: 1976-05-08
Abstract: Excess metal in a forged ring blank demands extra power and subsequent removal of the outer flashing and the compressed central diaphragm. The pressed blank reduces required power and fettling. The transportable ring blank rolling machine has two alternative counter mandrels. A slide-mounted thicknessing roll works with either mandrel. Two mandrels project upwards from their housings. A roll travels on two fixed piston rod guides which are double acting for each direction. The spindle pivots two arms and centring rolls. A sprung double acting ram and lever provide support for the centring rolls.
Patent DE-2623104-A1 (DE)
Title: Injection moulding coat-hangers from thermoplastics - with thickened ends with eyes, obviating use of metal cladding
Inventor: LANDES JOHANNES
IPC: A41D27/22
Filed: 1976-05-22
Abstract: Household articles are mfd. by injection moulding, using high pressure polyethylene, high pressure polypropylene, polyamides or elastomers or thermoplastics. The appropriate plastics material for the coat-hangers is so selected that it can be rendered thoroughly liquid for the injection moulding process and then solidifies and hardens to a flexible object possessing appreciable tensile strength after moulding. Preferred appts. allows the central portion of the coat hanger to be moulded as a continuous strip. End portions are broadened out, and each formed with a pair of apertures for the suspension thread and also with a groove interconnecting the apertures so that the thread lies flush with the face of the coat-hanger. One face is roughened. Method is also applicable to closure strips for small pockets or bags, to enable extra protection against wear to be provided to the ends.
Patent DE-2625980-A1 (DE)
Title: Tool for removing waterproof wallpaper from walls - has three parallel blades to cut through paper to expose under surface to water and facilitate removal
Inventor: BEERMANN EWALD HELMUT
IPC: B26B5/00
Filed: 1976-06-10
Abstract: The tool is espec. useful for dealing with coarse fibre wall coverings which are coated with rubber. The tool has a handle (1) and head (12) which houses three parallel blades (13) mounted side by side and secured with a common bolt (30). The side (17) of the head (12) is inclined at an angle of about 25 deg. to the longitudinal axis of the handle (11). The end of the blade (13) is formed into a hook (16) terminating in a sharp point (18). The dimensions of the blade (13) are suc that when the side (17) of head (12) is pressed against the surface of the paper (20) the point (18) just penetrates the paper. Water to soften the adhesive can then be applied through the cuts.
Patent DE-2626625-A1 (DE)
Title: Improved agitation in rotary furnaces - consisting of flights with both radial and axial curvature
Inventor: WINTER BERND DIPL ING
IPC: F27B7/16
Filed: 1976-06-14
Abstract: Method for improving the heat transfer between particulate solid materials and a gas stream in a rotary kiln consists of agitator element fixed onto the inner wall of the kiln. This has a radial curvature and an axial curvature, the two ends of the axial curvature being directed towards the inner wall of the tube. The surface over which the material flows is curved increasingly in the flow direction so that the basic surface forms a continuous curvature between the semi-circular ends. The axial cross section has a curvature of 1.5 times the larger of the radial curvatures. The semi-circular ends have a ratio of 1.0 to 1.2, pref. 1.1 and have an angle of 25 to 40 degrees, pref. 30 degrees to each other. The height of the element should be 0.35 to 0.4 times the small radial curvature radius. For use in rotary kilns. The mixing element contrives to throw the material away from the kiln surface and ensure adequate contact with the hot gas stream.