baber/WOPTO huggingface dataset:
Patent GB-1284326-A (GB)
Title: Process for preparation of cresol and acetone from cymene hydroperoxide
IPC: C07C45/00
Filed: 1970-06-12
Abstract: 1284326 Acetone and cresol MITSUI PETROCHEMICAL INDUSTRIES Ltd 12 June 1970 [18 June 1969] 28662/70 Heading C2C Cresol and acetone are prepared from cymene hydroperoxide by subjecting a liquid oxidation product of cymene containing at least 50 weight per cent of cymene hydroperoxide to an acidcatalysed cleavage at a temperature of 60-90‹ C. until the concentration of cymene hydroperoxide in the liquid is 0À5-5 weight per cent neutralizing the incompletely cleaved product with a base to stop the acid catalysed cleavage, thermally decomposing the cymene hydroperoxide remaining in the oil phase of the neutralized product and recovering cresol and acetone from the products of the thermal decomposition.
Patent GB-355078-A (GB)
Title: Treatment of copper matte
IPC: C22B15/00
Filed: 1930-09-25
Abstract: Copper mattes are made reactive towards mineral acids by increasing their content of free metallic iron.  Scrap iron may be added to the charge of a copper smelter or to the molten matte, or the free iron may be incorporated by heating the matte with a reducing agent to reduce the iron oxides present.  Molten matte may be poured down a column of glowing coke, or reducing agents such as coal, coke, hydrogen, carbon monoxide, producer gas, oil, or oil gas may be injected into the molten matte.  In some cases a reactive product is made by mixing the finely-divided matte and metallic iron.  A free iron content of 2 to 12 per cent by weight is necessary for a readily reactive product.  The reactive matte is treated with say sulphuric acid forming hydrogen sulphide and ferrous sulphate which can be separated from the insoluble residue.  The hydrogen also produced reduces part or all of the copper sulphide, depending upon the amount of iron present, with a further concentration of the copper.ALSO:Copper mattes are made reactive towards mineral acids by increasing their content of free metallic iron.  Scrap iron may be added to the charge of a copper smelter or to the molten matte, or the free iron may be incorporated by heating the matte with a reducing agent to reduce the iron oxides present.  Molten matte may be poured down a column of glowing coke, or reducing agents such as coal, coke, hydrogen, carbon monoxide, producer gas, oil, or oil gas may be injected into the molten matte.  In some cases a reactive product is made by mixing the finely divided matte and p  metallic iron.  A free iron content of 2-12 per cent by weight is necessary for a readily reactive product.  The hydrogen produced by treating the matte with acid reduces part or all of the copper sulphide, depending upon the amount of iron present, with a further concentration of the copper.
Patent GB-246623-A (GB)
Title: Improved package or carton applicable for packing thermionic valves, or like articles having contact terminals
IPC: B65D5/50
Filed: 1924-12-01
Abstract: 246,623. Radions, Ltd., Osborn, H. J., and Leadbetter, G. D. G. Dec. 1, 1924. Fittings, internal. - For supporting a thermionic valve or like article having contact terrninals, a carton is provided with a fitting formed with an aperture or apertures c to embrace the terminals d and separate apertures or slots c<2>, c<3> to embrace the metal body portion d<1> of the valve &c. The fitting is preferably formed from a single blank C with a central aperture or apertures c and two elongated slots c<2>, c<3>, the blank being folded across the slots c<2>, c<3> to form open-ended slots and folded along other creases so that the article is held out of contact with the walls of the carton.
Patent GB-239405-A (GB)
Title: Improvements in soles for footwear
IPC: A43B3/10
Filed: 1924-12-01
Abstract: 239,405. Durand, L. Dec. 1, 1924. Treatment preliminary to tanning; vegetable tanning.-The soles of slippers are made from hide tanned by a rapid tanning process leaving the hair on the leather lying all in the same direction, which is used for the tread. Raw or freshly salted hides are soaked only three or four hours in clear water. Dried hides are soaked and revived in water containing 0.1 per cent of formic acid. As soon as they are revived they are fleshed and beaten on the flesh side. The hair is washed with a tepid solution of soft soap. The hides are then immediately tanned by passing successively into four vats containing liquor of respectively 1¢‹, 2¢, 4‹, 5‹ BÚ., consisting solely of extract of quebracho. They remain two days in the first and four days in each of the other vats. The liquor must be free from acid. The skins are then tanned in a liquor of extract of chestnut and quebracho of 12‹ BÚ. The hides must be piled hair to hair. After twenty-four hours the liquor is strengthened to 13‹ BÚ., and in another twenty-four hours the tanning is complete. The hides remain twenty-four hours in piles after tanning and are then washed in weak liquor and brushed under a jet of running water. They are then hung up to dry, smoothed, and polished, put again to dry, and beaten or mangled. They are then ready for manufacture. In variations of the process chromium salts or other known tanning material may be used.
Patent GB-1019795-A (GB)
Title: Improved method for hydrogenating benzoic acid
IPC: C07C51/36
Filed: 1962-07-26
Abstract: Hexahydrobenzoic acid is prepared by hydrogenating benzoic acid in the presence of hexahydrobenzoic acid and a metal hydrogenation catalyst, the benzoic acid and hexahydrobenzoic acid being present in a ratio by weight between 20 : 80 and 80 : 20.  The hydrogenation takes place under pressure and at elevated temperatures, pressure and temperature depending on the particular catalyst employed. The metal hydrogenation catalyst may be rhodium on charcoal, palladium or charcoal or kieselguhr, or nickel or cobalt supported on kieselguhr or unsupported.  The process may be carried out batchwise, or continuously by recycling part of the hexahydrobenzoic acid produced to constitute the starting mixture.
Patent GB-369898-A (GB)
Title: Improvements in or relating to upholstery mountings
IPC: B62D25/04
Filed: 1930-09-26
Abstract: 369,898. Road vehicle bodies. BUDD MANUFACTURING CO., E. G., 25th Street, Philadelphia, U.S.A.-(Assignees of Ledwinka, J. ; 25th Street, Philadelphia, U.S.A.) Sept. 26, 1930, No. 28868. Convention date, Oct. 2, 1929. Void [Published under Sect. 91 of the Acts]. [Class 108 (i).] Weather or draught excluders for vehicle windows and doors are secured in position against the inner panel by means of tabs which are punched up from the panel and are adapted to clip the weather excluder between themselves and the panel. The inner panel 18 of the door post is formed as shown in Fig. 1 and provided with integral tabs 26 punched up from the panel which is positioned and crimped with the outer panel 10 of the door post as shown in Fig. 3. Additionally a rigid panel 31 for the upholstery bears against the weather excluder. The doors 13 are shown.
Patent GB-262906-A (GB)
Title: Improvements in and relating to x-ray tubes
IPC: H01J35/02
Filed: 1925-11-16
Abstract: 262,906. Dessauer, F. Nov. 16, 1925. R÷ntgen-ray tubes. - A low vacuum is employed in an X-ray tube, and the cathode and anti-cathode are freed from gas by heating or bombardment with cathode rays to such an extent that ionic discharges, which would normally occur at such a vacuum, are prevented and the tube is nonconductive except when the cathode is heated. The pressure may be between 6 x 10<-4> and 10<-2> mm. mercury. Positive ionization may be further prevented by surrounding the cathode by a non- conducting sleeve, which may be a tubular extension of the envelope, or an additional glass cylinder. The cathode may consist of a tungsten spiral 4, connected at one end to a surrounding tungsten cup 3. Separate transformers 7, 10 supply the heating and high-tension current respectively. A tube which may be used for demonstrating the phenomena involved comprises a small side bulb open to the main tube and fitted with two metal electrodes and a palladium tube, through which hydrogen can be introduced by a gas burner. These two auxiliary electrodes are not specially treated to free them from gas, and a discharge can be produced between them at a voltage corresponding to an air sparh-gap of ¢-1¢ inches, while no discharge occurs between the main electrodes until the cathode is heated. Alternatively, the side bulb may contain calomel or an amalgam, evolving vapour when heated; slight ionization may then occur between the main electrodes, but is inuocuous. Specification 228,592 is referred to.
Patent GB-1058430-A (GB)
Title: Connection and closure device for a filter and filters incorporating same
Inventor: CABARET JEAN
IPC: G21C19/30
Filed: 1964-07-13
Abstract: 1,058,430. Filter coupling. COMMISSARIAT A L'ENERGIE ATOMIQUE. July 13, 1964 [July 12, 1963], No. 28878/64. Heading BIT. [Also in Division G6] The lower wall of a filter housing 6 carries a tube 9, which dips into a liquid bath 18 to form a hermetic seal with a gas delivery conduit 16, and a spring-loaded valve 26 which is held off its seat 28 by the end of conduit 16. When the filter is dirty, housing 6 is lifted and valve 26 closes before tube 9 breaks clear of the liquid. The arrangement is used in nuclear installations, where coolant or ventilation gas is filtered before its discharge to atmosphere, and ensures that radioactive dust is not spilt from the filter element during demounting. The liquid in bath 18 is pitch and is melted by a heater 22 before demounting. Filter housing 6 (Fig. 1, not shown) is mounted on, a movable chassis by which it is lifted by remote handling, centring devices, locating the chassis on a fixed frame in a cell, being thereby detached, after which the chassis may move sideways.
Patent GB-752769-A (GB)
Title: Improvements in or relating to venetian blind
IPC: E06B9/34
Filed: 1954-10-07
Abstract: 752,769. Venetian blinds. ROLLADENFABRIK A. GRIESSER AKT.-GES. Oct. 7, 1954 [Oct. 10, 1953], No. 28943/54. Class 20(3). In a venetian blind having slats 3, 3a pivotally connected at their ends to guiding tapes 4 suspended from and adapted to be wound or unwound from a winding shaft 1, the slats 3, but not the uppermost slat or slats 3a, are articulated with their longitudinal rim to at least one further tape 9 suspended from the shaft 1, such that with the blind in the lowered position a further rotation of the shaft 1 in the direction of lowering produces a pivoting into their open position of the slats 3 pivoted to the tape or tapes 9 while the upper slat or slats 3a, which are secured only to the guiding tapes 4 remain in the closed position. The blind is operated in known manner by a pull tape suspended from a winding drum 2, on the shaft 1 or by toothed gear and crank winding mechanism. The slats 3, 3a, which may be of sheet metal, are shaped as shown and are connected at each side to steel guiding tapes 4, which run in guide rails 7, by a pin 5 secured to a flange 5a on the slat and inserted in an eye spot welded by flanges to the tape 4. The flanges 5a serves also to strengthen the slots 3, 3a and may be in one with the pins 5. The tapes 4 are secured at their upper ends to the shaft 1 and an end rail 8 at their lower ends. Two steel tapes 9 are provided and the slats 3 are secured to each tape 9 by an eye 10, similar to ege 6, received in a cut out in the beaded rim and connected together by a hinge pin 11. For broad slats, they may be stiffened transversely by inwardly bent tongues. The eyes 6, 10 may be made integral with the tapes 4, 9.
Patent GB-838987-A (GB)
Title: Improvements in or relating to transistors
Inventor: JAMES EMRYS GWYNNE
IPC: H01L23/04
Filed: 1957-09-13
Abstract: 838,987. Transistors. GENERAL ELECTRIC CO. Ltd. Sept. 10, 1958 [Sept. 13, 1957], No. 28956/57. Addition to 809,071. Class 37. A transistor as claimed in the parent Specification has the base lead 14 connected to the cylindrical part 13 of the metallic envelope which bears against the base electrode 6, while the emitter and base leads 11 and 12 are sealed through the other end of the envelope. The arrangement facilitates employment of the transistor in printed circuits.
Patent GB-781926-A (GB)
Title: Improvements in or relating to devices for guiding and holding wire, thread and the like
Inventor: JACOBY HENRY CHARLES EDWARD
IPC: H02K15/08
Filed: 1954-10-08
Abstract: 781,926. Devices for guiding and holding wire, yarn &c. GENERAL ELECTRIC CO., Ltd. Oct. 10, 1955 [Oct. 8, 1954], No. 29081/54. Class 120(2) [Also in Group XXXV] A device for guiding the movement of a wire or thread and holding the wire or thread against movement relative to the device when required, comprises a hookended part 1 arranged to work in conjunction with a seating 12, the wire 10 being arranged to run round the part 1 when the part 1 is clear of the seating 12 and being arranged to be trapped and held when the part 1 is pulled into the seating 12. The surface of the seating 12 may be frusto-conical and the part 1 have a co-operating surface shaped to fit into the seating. The part 1 may be spring- biased into the seating 12 so as normally to be in the wire, clamping position, and the force of the spring bias, and hence the tightness with which the wire is held, may be adjustable. In the preferred embodiment, the surface of the frusto-conical seating makes an angle of 45 degrees with the direction of motion of the part 1 with respect to the seating 12.
Patent GB-408966-A (GB)
Title: Improvements in or relating to carburetters
IPC: F02M1/00
Filed: 1932-10-18
Abstract: 408,966. Carburetters. GREENWOOD, C. E., Leathley, Coalway Road, Wolverhampton, and IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, London. Oct. 18, 1932, No. 29111. [Class 7 (iii).] An expansion chamber 1 is arranged between an intake pipe 2, adapted to be attached to the air intake of a carburetter, and a co-axial pipe 4 of substantially the same diameter, the chamber being of considerably greater diameter than the pipes ; the air enters the chamber through the co-axial pipe and has an uninterrupted passage through the chamber and intake pipe. The co-axial pipe 4 is fitted with a cover 5 having air inlet holes 6 around its periphery and may have a regulating device for controlling the air supply.
Patent GB-348496-A (GB)
Title: Improvements in or relating to apparatus for ejecting the ends of cigarettes or the like from their holders
IPC: A24F13/10
Filed: 1930-09-29
Abstract: 348,496. Cigarette &c. holders. FLEISCHMANN, A., 2, Wulfengasse, Klagenfurt, Austria. Sept. 29, 1930, No. 29115. Convention date, Oct. 1, 1929. [Class 130.] A device for ejecting cigarette &c. ends from a holder comprises an elastic disc 1 of rubber, sheet metal, &c., pushed over the holder S and provided with a metal wire or tape 5 lying across the mouth of the holder. The wire &c. 5 is pushed into the holder by a cigarette, flexing the disc 1, and the cigarette can be ejected by restoring the disc 1 to its original form. The disc 1 may have straight edges 3 and may serve to support the holder on a table &c. with the cigarette out of contact with the table.
Patent GB-339031-A (GB)
Title: Improvements in or relating to extra air admission devices for internal combustion engines
IPC: F02D9/00
Filed: 1929-09-26
Abstract: 339,031. Godwin, A. E. Sept. 26, 1929. Extra air admission devices.-An extra air valve is controlled by attaching it to the main air or mixture throttle controlling lever, the valve being held open by a fixed abutment with which the valve stem contacts as the control lever reaches the normal running position. The extra air valve is housed in a box-like casing 36 which is open at its lower end and is mounted on a bracket 48 adjustably clamped to a vertical rod 17 having an engine control lever 16 fitted at its upper end. The valve is spring-loaded to close a port which communicates with a pipe 42 to which is attached a flexible tube 32 leading to a flange-shaped extra air admission fitting 26 inserted between the carburettor and induction pipe flanges. The valve stem 45 projects through the back of the casing 36 which is so located that the stem abuts against the steering column 10 and opens the valve as the control reaches the normal running position. A relatively small movement of the lever when near the normal running position opens or closes the valve. In a modified construction the valve housing is attached to a vertically moving control rod arranged parallel to the axis of the steering column, the valve stem in this instance contacting with an abutment which is fitted at right angles to the steering column. The device may be used in conjunction with an engine con- -trol pedal.
Patent GB-779106-A (GB)
Title: Electric torch with auxiliary external circuit connector
IPC: F21W111/10
Filed: 1955-10-13
Abstract: 779,106. Electric torches. CARPENTER, H. G. Oct. 13, 1955, No. 29218/55. Class 39(2)  An electric torch is provided with a pair of auxiliary external contacts in the form of two spaced metal fingers 32, 33 projecting radially from an opening in the cylindrical casing 10 and mounted on contact strips 18, 23 extending longitudinally within the casing, the front end 20 of the strip 18 being inturned to lie between the centre contact of a bulb 13 and the centre terminal of a battery, whilst the strip 23 is connected at its rear end to a spring 30 in contact with the bottom pole of the battery and at its other end co-operates with a sliding switch contact 25 which can be operated to connect strip 23 to the rear end of a strip 24 mounted so that its forward end 26 engages a metal wing 28 forming one of a pair extending rearwardly from a reflector 27. 'The auxiliary contacts 32, 33 are located within a housing 14 provided with inlet slits to receive contact members on a plug 16. The switch 25 controls the bulb circuit in the usual manner, but not the external circuit embodying the contacts 32, 33.
Patent GB-230886-A (GB)
Title: Improvements in or relating to silos or bins for the storage of grain or the like
IPC: B65G65/00
Filed: 1923-11-20
Abstract: 230,886. Thompson, W., and Thompson, W. R. Nov. 20, 1923. Shoots.-A bin for the storage of grain &c. is divided radially into sections each having an outlet at the bottom, so that material fed centrally is distributed and delivered uniformly mixed. Inclined surfaces h meeting in a radial ridge and surmounted by a vertical extension R divide the bin into three or more sections of hopper shape having an outlet O. Below the outlets are convergent hinged shoots S leading to a central funnel T and adjustably supported by chains C attached to a counterweight W. The shoots may be separately adjusted by a screw A and may be lined with glass.
Patent GB-198289-A (GB)
Title: Improvements in apparatus for sowing seeds in drills
IPC: A01C7/16
Filed: 1922-10-27
Abstract: 198,289. Smith, R. J. Oct. 27, 1922. Seed distributors.-In a modification of the machines described in Specifications 16809/09, 18613/09, and 21509/10, the shutter 7 is reciprocated solely by the crankpin 12 and a slide 9 or a connecting-rod, the springs fitted in the prior constructions being omitted.
Patent GB-835085-A (GB)
Title: An improved electric plug and a method of constructing same
Inventor: GREASLEY ERIC ARTHUR
IPC: H01R13/42
Filed: 1957-09-18
Abstract: 835,085. Two-part couplings. PRESSAC Ltd. Sept. 12, 1958 [Sept. 18, 1957], No. 29378/57. Class 38 (1). The flat contact blade 1 of an electric plug is located in an inner wall 6 of the plug by inserting the blade through a double keyhole slot 8 in the wall until neck 3 formed between notches 2 registers with the wall, and rotating the blade through 90 degrees with the neck 3 in the enlarged central part 9 of the slot. To fix the blade an outer wall member 7, slotted at 10, is placed over the blade and fixed securely to wall member 6. In another embodiment (Fig. 4, not shown) the slot in wall 6 is T-shaped, the blade being inserted through the bar of the T and then moved laterally so that its neck travels down the stem of the T.
Patent GB-928592-A (GB)
Title: Improvements in liquid condensed milk products and processes for making such products
Inventor: NOZNICK PETER PAUL
IPC: A23C11/04
Filed: 1959-08-27
Abstract: A liquid condensed reconstituted milk product comprising skim milk powder, water, edible fat, and sucrose which contains more fat than milk powder and more sucrose than fat plus milk powder, and which has a viscosity at the time of manufacture of below 9000 centipoises, increasing thereafter to up to 100,000 centipoises, is produced by dispersing the skim milk powder in water, e.g. at 40 DEG  to 100 DEG F., heating the dispersion, e.g. to 80 DEG  to 110 DEG  F., adding the vegetable fat and sucrose, e.g. granulated cane or beet sugar or sugar syrup, homogenizing the mixture, e.g. within a temperature range of 80 DEG  to 140 DEG  F. and at a pressure above 500 p.s.i.g., sterilizing it, e.g. by heating to 180 DEG  to 200 DEG  F. for 8 to 20 minutes, cooling it, e.g. by vat or flash cooling to 100 DEG  to 110 DEG  F., seeding it with lactose crystals, e.g. in amount 0.045% of the finished product, at 90 DEG  to 110 DEG  F., cooling it, e.g. to 60 DEG  to 80 DEG  F., and finally canning it under aseptic conditions. The product preferably has a total solids content of about 72%, by weight, a sucrose-water solution of 60% concentration, and contains 42% sucrose, 21.5% skim milk powder, 8.5% edible fat and 28% water.  After heating the dispersion lecithin may be added to depress foaming, and sodium citrate or phosphate, or calcium chloride, e.g. in amount 0.002 to 0.1%, preferably 0.05%, based on the total weight of the mixture, may be added to the skim milk dispersion to control the viscosity of the finished product.  A modification of the process is described in which the skim milk powder is dispersed in a solution of the sucrose in the water.
Patent GB-229740-A (GB)
Title: Improvements in separating and mixing apparatus for fluids or for fluids carrying suspended particles
IPC: B01D45/08
Filed: 1923-11-21
Abstract: Apparatus for mixing, separating, purifying, drying, or removing suspended particles from fluids comprises a vessel divided by a thin grid or grids and traversed by the fluids, the grids having perforations of equal area, for example narrow slots, the smallest widths of the perforations being not greater than the distance, measured in the same direction between the perforations so that an eddy is produced behind each perforation. The sieves may be electrically charged.  A grid may be made by punching holes in sheet metal, or flattening a web formed of wire gauze between rollers.. Reference has been directed by the Comptroller to Specification 3809/06, [Class 55, Gas manufacture].
Patent GB-685802-A (GB)
Title: Improvements in or relating to radio navigation systems
IPC: G01S1/50
Filed: 1950-12-01
Abstract: 685,802. Indicating-apparatus. SPERRY CORPORATION. Dec. 1, 1950 [Dec. 1, 1949], Ne. 29459/50. Class 106 (iv). [Also in Group XL (c)] In order to determine on an aircraft its height h above a ground radio beacon, the elevation a of the aircraft from the beacon and its slant distance s therefrom are determined as voltages (see Group XL (c)) which are converted to shaft rotations by servos 57 and 71 controlling a mechanical computer which solves the equation h=s sin α. The elevation servo 57 is geared to a toothed sector 99 by a pinion 89 which sets the radial arm 95 at an angle a and the distancemeasuring servo 71 is geared to a lead-screw 93 which advances the assembly 101 along the arm a distance proportional to s, the assembly 101 being slidable in a slotted horizontal member 103 provided at one end with a rack 105 constrained to move vertically only so that the angular rotation of pinion 107 which meshes with the rack 105 is proportional to h and this rotation is displayed on a dial and pointer arrangement 111.