baber/WOPTO huggingface dataset:
Patent GB-743391-A (GB)
Title: Improvements in and relating to concrete floor and like structures
IPC: E04B5/38
Filed: 1953-12-16
Abstract: 743,391. Floors &c. STRUCTURAL CONCRETE COMPONENTS, Ltd. and SAINTY, C. L. Oct. 14, 1954 [Dec. 16, 1953], No. 34997/53. Class 20(4). A floor, roof or like structure comprises pre-cast and reinforced concrete beams laid side by side, shaped and relatively disposed to provide a substantially flat and continuous upper surface, bonding elements 8, 16 or 27 consisting of plates or tags of sheet material partially embedded in the upper surfaces of the beams and a continuous screed layer 9, 18 or 28 of sand and cement or concrete mixture applied to the upper surface of the beams to embed the projecting bonding elements and provide a load-bearing combination structure. The bonding plates 8, 16 or 27 are adapted to be bent at right angles, for storage and transport of the beams, so that they be flat on the surface as indicated at 16a in Fig. 3. As shown in Fig. 1, each beam comprises a web 1 and flanges 2, 3 reinforced by rods 7, 6 and a metal tag 8 is apertured and threaded over the rod 7 to be embedded in the upper surface. Each flange 2 has an upwardly inclined face 4 on one side and a downwardly inclined face 5 on the other so that adjacent beams overlap as shown. The layer 9 is then applied and bonds with the tags 8. In a modification, the tags are corrugated in their upper half to assist adhesion. As shown in Fig. 3, the plates 16 are also apertured in their top half for engagement over a light wire or rod 17 which adds reinforcement to the screed layer 18. As shown in Fig. 5, the beam comprises an upper part 21 of relatively dense light-weight concrete reinforced by light rods or wires 24 and a lower part 22 of less dense light-weight concrete, having tension reinforcement 23 in the form described in Specification 720,615. Each beam has a recess or groove 25 on one side and projection 26 along the other to interengage in adjacent beams. The plates 27 may be as described in the above examples for bonding with the screed layer 28 and a plaster soffit 29 may be provided. In a modification, the layers 21, 22 may be of uniform density.
Patent GB-195454-A (GB)
Title: A new device for punching staples into rubber and leather soles of boots, shoes, and the like
IPC: A43D5/12
Filed: 1921-12-30
Abstract: 195,454. Crozier, A. A. Dec. 30, 1921. Stapling, hand tools for.--A stapling hand-tool for supporting and setting light steel staples the legs of which pass through a rubber projector into the hard leather sole of a boot or shoe, consists of a holder, Fig. 3, with a cavity a<1> which exactly fits the top b, Fig. 7, of a staple. This is tightly held by the part c of a vertically-adjustable hinged clamp c', which is pressed underneath the middle of the staple, so that its legs b<1> project and can be driven through the edges of a rubber protector h, Fig. 8, partly into a leather sole, but leaving the top portion of the staple projecting. The staple can now be driven home by a hammer, but is preferably engaged by a close-fitting slot e, Fig. 6, in a cross-piece forming part of the hand tool. The staple is driven by striking a driver f, the travel of which may be regulated by a stop f<2> in a slot g. The rubber protector may have depressions to accommodate the tops of the staples which, when driven flush, have the appearance of wire stitches. In a modification the hinged arm c', Fig. 3, is replaced by a spring arm. The device may be fitted to any known hand or power press with means to bring the arms alternately into position. The parts which engage the staples may be magnetized.
Patent GB-410435-A (GB)
Title: Typewriter ribbon
IPC: B41J31/00
Filed: 1933-12-12
Abstract: 410,435. Ink ribbons. ANGER, E., 13, Br³derstrasse, Plauen, Germany. Dec. 12, 1933, No. 35014. Convention date, Dec. 12, 1932. [Class 100 (iv).] A single-colour ribbon has two longitudinal zones of different intensity of colour. Preferably, the zones are half the width of the ribbon. The light and dark zones are used initially for normal and emphasized typing, and when the light zone is becoming exhausted, the ribbon is reversed and the dark and light zones are used for normal and emphasized typing. The two zones may be so woven or treated, for instance by pressing or filling, as to absorb differently the colouring-material. Colouring-materials of different density may be used for the two zones.
Patent GB-467514-A (GB)
Title: Improvements in or relating to a method of making riveted joints
IPC: B21J17/00
Filed: 1935-12-17
Abstract: 467,514. Rivets. HEINKEL, E. Dec. 17, 1935, Nos. 35028 and 35030. Convention dates, Dec. 17, 1934 and June 1, 1935. [Class 89 (i)] [Also in Group XXII] Rivets are set by exploding a charge associated therewith, by heating the rivet. A charge 5, Fig. 1, is retained in a bore of a rivet 2 by a closure pin 5. A charge 5, Fig. 2, is contained in the inner end of a bore in the rivet. According to the Specification as open to inspection under Sect. 91, the charge is retained by a screwed member 1, Fig. 8 (Cancelled), forming the head of the rivet. Rivets are described which are also described in Specification 467,515 and rivets wherein the charge is retained by a closure, or a constriction in the rivet wall, at a point spaced from the end thereof. This subject-matter does not appear in the Specification as accepted.
Patent GB-619257-A (GB)
Title: Hydraulic control means for ring rolling machines
IPC: B21H1/06
Filed: 1946-11-28
Abstract: 619,257. Rolling annular bodies. LOEWY ENGINEERING CO., Ltd., and WATSON, J. S. Nov. 28, 1946, No. 35289. [Class 83 (iv)] Hydraulic control means for ring-rolling machines having a fixed outer roll 10 and a movable inner pressure roll 11, comprises forward and return cylinders 14 and 18, for feeding the roll 11, inlet and exhaust valves 24, 25, and 26, 27, for each cylinder respectively, and a controllable throttle valve 33 in the exhaust line of the return cylinder 18, whereby the forward movement which the pressure roll 11 tends to make when beginning to ride over the thinner portion of the work ring B is slowed down to such an extent that the roll 11 will not come into effective contact with the ring, reduction being limited to the thicker part. A compression spring 20 serves to keep the pressure roll 11 in contact with the blank B to ensure that it rotates between the rolls 10 and 11 at all times. The throttle valve 33 may be byepassed by a normally closed valve 34 for rapid forward movement of the roll 11 to approach the work. Valves 36 and 35 respectively prevent air entering the return cylinder 18 and excessive pressure being built up in the forward cylinder 14, in the event of the roll 11 making a receding movement due to the throttle valve 33 being opened too far at any time during the passage of the blank B.
Patent GB-1293971-A (GB)
Title: Process for the production of unsaturated ester resins
Inventor: TAKIYAMA EIICHIRO
IPC: C08G59/16
Filed: 1970-07-21
Abstract: 1293971 Modified polyepoxides SHOWA HIGHPOLYMER CO Ltd 21 July 1970 35324/70 Headings C3B and C3P Unsaturated ester resins are prepared by reaction with heating of a polyepoxide (I) and an unsaturated monobasic acid (II) in the presence of a catalyst which is an addition compound (III) of a secondary amine and an acid I may be a polyglycidyl ether. II may be acrylic or methacrylic acid. III may be dimethylamine-, diethylamine- or dibutylaminehydrochloride, diethylamine formate or acetate, BF 3 .Et 2 NH addition product or N-methylaniline sulphate. Reaction between I and II may take place in the presence of a polymerizable monomer, e.g. a (meth)acrylic ester or styrene. I and II may also be reacted in the presence of a saturated mono- or poly-basic acid or an unsaturated polybasic acid (or anhydrides of the polybasic acid); a polymerization inhibitor may also be present during reaction. The unsaturated esters, optionally together with other unsaturated monomer, may be polymerized using a free radical catalyst.
Patent GB-323332-A (GB)
Title: Improvements in the manufacture and production of metal carbonyls
IPC: C01G1/04
Filed: 1928-11-30
Abstract: 323,332. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Nov. 30, 1928. Motor fuel containing iron carbonyl is produced by passing benzine, saturated with carbon monoxide at ordinary temperature under 200 atmospheres pressure, over reduced roasted pyrites at a temperature of 175‹ under the said pressure. Specification 226,731 is referred to.
Patent GB-412862-A (GB)
Title: Improvements in or relating to sectional buildings or structures
IPC: E04B1/61
Filed: 1933-12-15
Abstract: 412,862. Sectional buildings. WOODHOUSE, F., and WOODHOUSE, H. D., (trading as WOODHOUSE & CO., L. H.), London Road, Nottingham. Dec. 15, 1933, No. 35348. [Class 20 (i).] The wooden frame members a, b, c of a sectional building or structure are interconnected by bolts 5 passing through closed elongated slots 4, the slots permitting of fine relative adjustment of adjacent sections during assembly. In the form shown, each section comprises a frame 1 closed by boards 2 and having uprights 3 in which the slots are formed. The slots in some of the uprights may be provided in a plurality of different directions to enable co-planar adjoining sections a, b, and also adjoining sections c at an angle thereto, to be interconnected at a junction. The bolts may be screw-threaded to receive nuts, or, as shown, they may be slotted to receive tapered cotters 10. Slotted metal face-plates may be secured to the uprights, the slots registering with the slots 4.
Patent GB-1090876-A (GB)
Title: Improvements in or relating to semiconductor devices
Inventor: MCKEOWN PATRICK JOSEPH AUGUSTI
IPC: H01L23/29
Filed: 1964-08-28
Abstract: 1,090,876. Semi-conductor devices. STANDARD TELEPHONES & CABLES Ltd. Aug. 27, 1965 [Aug. 28, 1964], No. 35350/64. Heading H1K. A series of semi-conductor devices set in a semi-conductor body but isolated therefrom by layers of silicon nitride, is made by removing parts of one major surface of a semi-conductor body, depositing silicon nitride on the resulting surface, depositing semi-conductor material on the insulating layer, removing material from the other major surface of the semi-conductor body so as to leave a series of regions of the body isolated from one another by the nitride layer and forming devices in the regions. A non-epitaxial monocrystalline n-type silicon slice is etched with gaseous HCl at 1200‹ C. through a SiO 2  mask to give a series of mesa portions 2. The surface having the mesa portions is covered with a layer 3 of silicon nitride. An epitaxial layer of polycrystalline silicon 4 is formed by thermal decomposition of SiCl 4  over layer 3 and the slice subsequently abraded and polished to leave only the mesa portions 2 insulated from each other by the layer 3. The deposited polycrystalline layer is abraded to give a surface parallel to surface 5. By a selective diffusion masking process, semiconductor devices may be formed in the individual monocrystalline portions which may be subsequently linked by a metallic strip on a passivating oxide layer (Fig. 6, not shown). The devices which may be formed in the slice before the etching and abrading steps, may include resistors, capacitors, diodes, photo-cells and transistors. The mesa portions may also be formed by ultrasonic cutting or spark erosion. Alternatively, blind holes or trenches may be formed in place of the mesa portions. The deposited layer may be of high resistivity, e.g. 100 ohm. cm. to reduce A.C. coupling through the capacitance of the insulating layer 3.
Patent GB-1506258-A (GB)
Title: Continuously operable press for the production of boards
IPC: B30B5/06
Filed: 1975-08-27
Abstract: 1506258 Double belt press KONSTRUKTIEWERKHUIZEN DE METS NV 27 Aug 1975 [27 Aug 1974] 35422/75 Heading B5A A continuously operable press for the production of boards, comprises first and second superimposed endless plate belts 3, 4, each being formed from plates articulated with respect to one another, the facing runs of the two endless belts being movable in the same direction, a respective endless band 47, 48, surrounding each endless belt, and at least one large-diameter drum 40, 41, arranged in each space surrounded by a respective endless band, the large-diameter drum being positioned downstream of the respective endless belts with respect to the direction of motion of the facing runs of said belts, the or each drum respective to one endless band being arranged in the same vertical plane as a corresponding drum in the other endless band, at least one of the drums of the or each such pair being movable towards and away from the other drum so as to be capable of producing a pressure between the drums greater than the pressure between the endless plate belts. The description and drawings are identical with their counterparts in Application No. 35421/75, except that detail relating to the construction of the conveyer slats in the latter Application is replaced by description and drawing of a cardan shaft arrangement for driving the endless plate belts.
Patent GB-460387-A (GB)
Title: A new alkaloid of ergot
IPC: C07D519/02
Filed: 1935-12-27
Abstract: A new alkaloid is isolated from ergot by (1) extracting crude ergot with a dilute mineral acid, precipitating with weak alkali, and extracting a solution of the precipitate in an aromatic hydrocarbon with dilute mineral acid, followed by precipitation with weak alkali; (2) extracting crude ergot with an aromatic hydrocarbon, treating with aqueous alkali hydroxide, acidifying the alkaline solution with a dilute mineral acid and adding a weak alkali to the filtrate; the precipitated product may be purified by treatment with an aromatic hydrocarbon, extraction with a dilute mineral acid and precipitation with a weak alkali.  The crude ergot used as starting material may be replaced by the water-soluble or water-insoluble fractions thereof. The product may be further purified by treatment with methyl alcohol in which it is sparingly soluble, or by crystallization from benzene, dilute aqueous acetone, ethyl acetate, methylethyl ketone or alcohol. Its properties are described.
Patent GB-155777-A (GB)
Title: Improved method and apparatus for the electric treatment of ores
IPC: C22B4/00
Filed: 1920-12-22
Abstract: 155,777. Counas, A. Aug. 29, 1910, [Convention date]. Void [Published under Sect. 91 of the Act]. Zinc oxide; zinc sulphate.-An electric furnace for the production of zinc oxide and sulphate is provided at the lower end of a shaft b with a number of air inlets m which can be closed by refractory plugs. Zinc ore, fluxes. and coke, together with iron oxide when the ore contains sulphur, are fed into the hearth through a door, the fumes being removed by a fan through a flue n to a condenser for the oxide and sulphate. If the ore contains 20 per cent of zinc, a temperature of 1400‹ C. should be maintained in the furnace, and. preferably the slag contains much lime and no iron oxide. Waste from washing rooms or from oreseparators, or poor calamines, containing 8-12 per cent of zinc, may be thus treated. The sulphate and oxide may be used to prepare solutions. for electrolysis. Ores containing iron, zinc, and lead sulphides may also be treated.
Patent GB-1393906-A (GB)
Title: Method of generating electrical current
IPC: H01M6/04
Filed: 1972-08-02
Abstract: 1393906 Electric cell AUTOMOBILES CITROEN SA 2 Aug 1972 [3 Aug 1971] 36165/72 Heading H1B Electricity is generated in a cell comprising a cathode, a compartment containing an alkaline electrolyte having zinc suspended therein and an anodic-current collector, by (a) partially or completely discharging the zinc by contact with the collector, (b) contacting the electrolyte with a metal that will precipitate out the zinc from the product formed by discharging it and (c) bringing a new suspension of zinc into contact with the collector for discharge thereat. In an embodiment, the cell has an electrode 2 of porous sintered nickel bearing a catalytic layer of active carbon and silver and having a porous hydrophobic layer of polytetrafluoroethylene on the surface facing the air supplied by a blower through inlet 7. Alternatively the electrode 2 may be an oxygen or metal oxide electrode. The anodic-current collector 4 is a nickel mesh and separated from electrode 2 by a sheet 6 of matted nylon fibres. The suspension of zinc particles in potassium or sodium hydroxide in compartment 9 is continuously circulated by pump 13 and aluminium or magnesium particles added at 18 by screw feed 15 driven by motor 16. The speed of motor 16 can be governed by the intensity of the cell current. It is possible to remove aluminate ions from solution in the suspension to prevent saturation of the electrolyte and give an increase in the specific energy of the cell. The aluminium particles may be replaced by plates of aluminium which may be agitated or scraped. A number of cells may be joined together to form a battery.
Patent GB-1499386-A (GB)
Title: Method of and apparatus for isotope enrichment
IPC: B01D59/34
Filed: 1975-09-02
Abstract: 1499386 Isotope enrichment KRAFTWERK UNION AG 2 Sept 1975 [10 Sept 1974] 36180/75 Heading C1A A process for isotopic enrichment of a mixture of isotopes, e.g. UF 6 , comprises separately supplying an isotope mixture and a reactant in measured quantities to a reaction vessel where one particular isotope is selectively excited by irradiation of a frequency corresponding to an absorption frequency of that particular isotope so that a chemical reaction occurs between that particular excited isotope and the reactant to a greater extent than any reaction of the other isotopes in the mixture, the contents of the reaction vessel are then discharged adiabatically into a vacuum chamber and the reaction products and other components present are then separated to provide a reaction product enriched in one particular isotope. The reactant used in the separation of UF 6  may be HBr or HCl.
Patent GB-1067000-A (GB)
Title: Control device for warp threads
IPC: D03C7/00
Filed: 1964-09-03
Abstract: A standard warp thread is passed through a needle (3) which is attached to a heald frame (1) having a depending member (7) which acts upon a pivoted member (13), attached to an oppositely moving frame, to alternately pivot it to the left and right thus causing leno guides (20), (23) to be transversely moved to cross the leno threads.
Patent GB-782558-A (GB)
Title: Apparatus for extracting gases from molten metal
IPC: C21C7/10
Filed: 1955-12-16
Abstract: 782,558. Removing gases from molten metal. BOCHUMER VEREIN FUR GUSSSTAHLFABRIKATION AKT.-GES. Dec. 16, 1955 [Dec. 16, 1954], No. 36204/55. Class 72 In apparatus for extracting gases from molten metal by subjecting the melt to a sub-atmospheric pressure comprises a filter element inserted in a passage conducting the gases from the melt. As shown, a filter housing 4, containing cloth filter bags 3 closed at one end and open at the other to a duct, is interposed between the vessel containing the melt and the apparatus producing the reduced pressure. The gases from the melt enter the housing from a valve 2, are deflected by a baffle 11, and pass through the filters'  3 where any condensate which might be injurious to the pumping equipment is removed. A valve 6 on the outlet of the housing is arranged to admit air suddenly to clean the filters by "blow back".
Patent GB-1274996-A (GB)
Title: Improvements in or relating to information processing systems
IPC: H04Q3/545
Filed: 1970-07-27
Abstract: 1,274,996. Automatic exchange systems. SIEMENS A.G. 27 July, 1970 [28 July, 1969], No. 36277/70. Heading H4K. In a programme controlled exchange fault data emanating from a plurality of co-operating equipments is accepted into a common faultrecording core store in accordance with a system of priorities. The latter may be affected by the importance of the equipment e.g. within a marker, the programme control is more important than the arithmetic unit which itself is more important than the output decoder; by the degree of data processing that the equipment performs-in general, the lower the amount of processing, the higher the priority; by the number of same equipments provided, single equipments having greater priority than duplicated equipments; by the nature of the programme currently being performed, on-line processing being more important than routine testing and some on-line programmes being more important than others. The store may be provided with a fault analyser which can, suppress minor information, call-in a printer immediately (simultaneously stopping further data input into the store) or according to a time schedule, or, call in a control which seeks to overcome the fault by substituting-for or disconnecting the faulty equipment or by generating an alarm. The equipments may comprise parts of a subsystem e.g. of a marker or may comprise the full exchange system.
Patent GB-1525695-A (GB)
Title: Capacitive gauging
IPC: G01B7/04
Filed: 1975-09-03
Abstract: 1525695 Measuring dimensions electrically ADE CORP 3 Sept 1975 [3 Sept 1974] 36289/75 Heading G1N In a capacitive thickness or proximity measuring system in which the element being monitored is connected to ground errors due to the impedance of the element are obviated. In a first embodiment Fig. 2 in which the thickness of a moving foil or resistive semi-conductor wafer is monitored and the impedance of which is such that the potential of the element is not at ground but will vary two capacitive proximity probes 14, 20 of the type described in Specification 1303229 are disposed at known distances from the opposite faces of the element and energized at different frequencies from oscillators 20, 22. As a result the potential of the element which is coupled to ground via its impedance varies, the envelope of the waveform represented by the varying potential passing through zero at a frequency corresponding to the difference frequency of the two oscillators. Since the sum or difference of the probe outputs, which are indicative of the respective distances from the probes to the element, are a maximum when the potential on the element passes through zero i.e. when the element is at virtual earth the probe outputs are applied via linearizing circuits 24, 25 to sum or difference  circuit 28 the output of which is applied to peak detector 32. The output from detector 32 is thus a correct indication of the thickness. In an alternative arrangement, Fig. 3 signals are applied to the probes such that the potential of the element being monitored is maintained at ground. The output of oscillator 56 is applied via transformer 62 to drive the primaries of transformers 80, 100 in antiphase the secondaries of transformers 80, 100 being connected to the two capacitive probes 84, 104 spaced from opposite surfaces of the element. If the capacitances between the probes and element are the same the voltage at the element stays close to zero. As in the embodiment of Fig. 2 the probe outputs are applied to sum or difference circuit 92 via linearizing circuits 90, 108 but no peak detector is required. A feedback technique, Fig. 6 (not shown) may be used to linearize the probe outputs in which the input 70 of oscillator 56 is fed from a differential amplifier the respective inputs of which are connected to a constant D.C. and the output from a divider circuit. The output from the amplifier is fed to the denominator of the divider circuit and the numerator is the product of the probe outputs. A further modification of Fig. 3 is given in Fig. 7 (not shown) in which the oscillator 56 is replaced by a monostable flip-flop clocked at a constant rate the opposite polarity outputs of which respectively driving a pair of emitter coupled transistors. Each pair feeds via a transformer a respective probe the output of which is coupled via a differential amplifier to the respective transformer to control the amplitude of the drive signal and to one input of a difference of sum circuit.