baber/WOPTO huggingface dataset:
Patent GB-1461006-A (GB)
Title: Process for converting alkylaromatic hydroperoxides into phenolic products and carbonyl products
IPC: C07C45/00
Filed: 1974-07-26
Abstract: 1461006 Splitting primary or secondary alkylaromatic hydroperoxides RHONEPOULENC SA 26 July 1974 [27 July 1973] 33182/74 Heading C2C Primary or secondary alkylaromatic hydroperoxides are split into phenolic and/or carbonyl compounds by reacting the hydroperoxides with a catalytic amount of a compound possessing an acid reaction such as an inorganic or organic sulphonic protonic acid, e.g. hydrochloric, nitric, sulphuric, methanesulphuric, benzene sulphonic or para-toluene sulphonic acids in the presence of an aprotic polar solvent which is a polymethylene-sulphone or an alkylene glycol carbonate containing 2 to 4 carbon atoms in the alkylene part. Examples describe the separation of benzyl hydroperoxide into phenol and benzaldehyde, p-xylyl hydroperoxide into p-cresol and p-tolualdehyde; 1-phenyl-ethyl hydroperoxide into phenol, benzaldehyde and acetophenone; 1,2-diphenylethyl hydroperoxide into phenol, benzaldehyde and benzyl aldehyde. Benzyl hydroperoxide is prepared by oxidizing toluene with air containing only 8% oxygen; p-xylyl hydroperoxide is obtained by oxidizing p-xylene similarly; 1-phenylethyl-hydroperoxide is obtained by oxidizing ethylbenzene similarly and 1,2-diphenylethylhydroperoxide by oxidizing tribenzyl.
Patent GB-788823-A (GB)
Title: Foils consisting of polymers or copolymers of vinyl chloride pre-treated for the application of hydrophilic colloidal layers
IPC: C08J7/056
Filed: 1955-11-21
Abstract: 788,823. Coated foils. AGFA AKT.-GES. FUR PHOTOFABRIKATION. Nov. 21, 1955 [Nov. 19, 1954], No. 33285/55. Class 140. A foil consisting of polymers or copolymers of vinyl chloride, e.g. with vinyl acetate, maleic acid methyl ester, is treated with a subbing layer containing, as its film-forming agent, a mixed acetal of polyvinyl alcohol with an aldehyde having at least one water-solubilizing group, e.g. hydroxybenzaldehyde, sodium salt of benzaldehyde 2,4, disulphonic acid, and an aldehyde without a water-solubilizing group, e.g. benzaldehyde, tolyl aldehyde, ethyl hexanal, chlorobenzaldehyde, isoheptylaldehyde, said acetal being soluble in organic solvents and swellable in water. The subbing layer solution containing the acetal dissolved in methanol and one or more organic solvents, e.g. acetone, dioxane, tetrahydrofurane, may contain a partially saponified copolymer of vinyl chloride and a vinyl ester of an organic acid, e.g. vinyl acetate, or an organic acid with a double bond in the α-# position to the carboxylic acid group. The treated foil is then coated with a hydrophilic colloid layer, e.g. gelatine. An intermediate layer comprising a copolymer of vinyl chloride, e.g. with vinyl acetate, may be arranged between the subbing layer and the foil especially when the foil contains more than 80 per cent vinyl chloride.
Patent GB-1031877-A (GB)
Title: A process for the catalytic production of hydro-quinone
IPC: C07C37/14
Filed: 1964-08-14
Abstract: In a process for the production of hydroquinone acetylene, carbon monoxide and hydrogen are reacted in the presence of an organic solvent which contains no hydrogen atoms that participate in the Zerewitinov reaction and trimeric ruthenium tetracarbonyl as catalyst at elevated temperature and pressure.  The catalyst may be formed in situ from an appropriate compound, e.g. ruthenium acetyl acetonate or basic ruthenium acetyl acetonate.  Solvents specified include acetone, methyl ethyl ketone, dioxane, tetrahydrofuran, ethyl acetate and benzene.  Examples are furnished.
Patent GB-631742-A (GB)
Title: Improvements in or relating to radio and like high frequency transmission lines
IPC: H01P5/02
Filed: 1946-11-08
Abstract: 631,742. impedance transformers. AMALGAMATED WIRELESS (AUSTRALIA), Ltd. Nov. 8, 1946, No. 33319. Convention date, June 19. [Class 40 (viii)] An arrangement for matching the imped. ance of a pair of parallel connected multiple wire transmission lines comprises a section in which the individual conductors of the lines are arranged alternately and symmetrically about a common axis at equal distances therefrom, and the conductors of either line may be simultaneously rotated about the common axis to vary the spacing between adjacent conductors. For example, two fourwire lines 2, 4, 6, 8, and 3, 5; 7 and 9, are provided with an eight-wire transformer section as shown in cross-section in the drawing.
Patent GB-1480666-A (GB)
Title: Cutoff mechanism for moving webs
IPC: B31B50/16
Filed: 1975-08-11
Abstract: 1480666 Expanding pulley gear MOLINS MACHINE CO Inc 11 Aug 1975 [29 Nov 1974] 33358/75 Heading F2D [Also in Division B4] A variable-speed drive 38 for rotating a pair of cutting blades 16, 18 (see Division B4) comprises two pairs of conical pulleys connected by a belt, the respective expanding and contracting of the pulleys being effected by means of a cam plate 72 rotated by a motor 44 via a chain-and-sprocket drive 66. The output from the drive 38 rotates a gear 74 which connects with a two-speed gear-box 34, the two speeds being selected by pneumatically-actuated clutches 78, 90, Fig. 2.
Patent GB-486451-A (GB)
Title: Improvements in and relating to electric lamp fittings, especially bed lamps
IPC: H01R33/955
Filed: 1936-12-04
Abstract: 486,451. Bed &c. lamps. KUHNEL, C. Dec. 4, 1936, No. 33372. Convention date, Dec. 5, 1935. [Class 75 (iv)] In a bed, wall, pedestal, or like electric lamp in which the light is switched on and off by rotation of a screen or shutter, initial rotation of a screen 6 towards its open position switches on the lamp so that indirect light is reflected from a wall, base, or other support 14, whilst further rotation of the screen gives direct light. One end of the substantially semicylindrical screen 6 is provided with a relatively large operating lever 7 and with a pair of pins 8, 9 which actuate the lever 3 of a tumbler or like switch 2 incorporated as a selfcontained unit in a bracket 1. The screen 6 contains a smaller coaxial semi-cylindrical diffusing shade 10 fixed on the bracket 1, the end of the shade frictionally engaging a stop on the screen 6 to hold the latter in any desired position of adjustment. The lower edge of the screen 6 or of the shade 10 may be serrated, and an additional shade may be provided to modify the direct light.
Patent GB-1405131-A (GB)
Title: Apparatus for spraying agricultural chemicals
IPC: B64D1/18
Filed: 1972-07-30
Abstract: 1405131 Spraying agricultural chemicals GARDEN ISLAND HELICOPTERS INC 30 July 1972 33400/72 Heading AID  Herbicide or insecticide is sprayed from one or both nozzles 38 and 40 mounted on conduits 3 and 5 which are caused to swing up and down in vertical planes about their rear ends by a suspending cable 9 running to a winch 11, the conduits 3 and 5 thus being free to swing upwards on contacting the ground. The cable 9 comprises cable rams 8A and 8B affixed at C and D to the conduits 3 and 5 and extending around pulleys 41 and 43 attached to a frame 7 mounted on the helicopter skids 13 and 15. Conduits 3 and 5 are joined by transverse members 17, 19, 21 and are stiffened by a cable 51 secured at A and B. The rear ends of the conduits 3 and 5 are mounted on a shaft 22 suspended by  brackets from a cross-member linking the skids 13 and 15 so that when the conduits 3 and 5 are horizontal they are above the skids. A microswitch 49 on the helicopter is actuated by the conduit 3 as it is swung upwards, so as to stop the winch 11. The electrical circuit controlling the winch 11 includes a threeposition double-pole switch in the helicopter cabin, giving conduit raising, lowering and neutral positions. Herbicide or insecticide is pumped by pump 35 from tanks 27 and 29 via hoses 31 and 33 to conduits 3 and 5. Solenoid valve 37 allows flow to be stopped in conduit 3.
Patent GB-1017343-A (GB)
Title: Improvements in or relating to the manufacture of containers of elongated shape
IPC: B29C45/36
Filed: 1962-06-22
Abstract: 1,017,343. Capsules; opening containers. AURORA S.p.A. June 22, 1962 [June 23, 1961], No. 33532/65. Divided out of 1,017,342. Headings B8C and B8D. [Also in Division B6] A cartridge of synthetic material for containliquids such as ink, similar to that disclosed in Specification 1,017,342, is closed at one end by a perforable membrane 2 in the form of a cone directed inwardly of the cartridge. The cartridge is formed by injection moulding through an orifice 4 of a die 5 having a core 6 fixed at one end to the die.
Patent GB-354643-A (GB)
Title: Improvements in steel hatch covers
IPC: B63B19/18
Filed: 1930-11-07
Abstract: 354,643. Trailers. MACGREGOR, R, and MACGREGOR & KING, Ltd., 5, Lloyds Avenue, London. Nov. 7, 1930, No. 33536. [Class 103 (iv).] Hatch - cover sections, particularly 'tween-deck hatch-cover sections, are provided with wheels so that the sections may be used as cargo trollies. The section 8, which is designed for use as a trolley, is arranged to run over the lateral sections 7 to the fore- and-aft and 'thwart-ship rails provided on the hold. Rollers 11 are arranged in sets to run on the respective sets of rails and corresponding eccentric bushes 13 are provided so that the set not in use may be raised out of action. Specification 321,741, [Class 113 (i), Ship and boat fittings &c.], is referred to.
Patent GB-793234-A (GB)
Title: Vice for holding workpieces
IPC: B25B5/08
Filed: 1955-11-24
Abstract: 793,234. Vices. HAMMER, W. Nov. 24, 1955, No. 33719/55. Class 61. In a vice having a slidable jaw operated as by a screw spindle, the movable jaw comprises an adjustable carriage b having an inclined abutment face r with which engages the foot q of the clamping jaw c, means being provided for tilting the jaw c about its edge g thereby causing the foot q to slide on the abutment r and move through a small angle to press down the workpiece f on its support. As shown, the jaw is tilted by a manually operated eccentric d acting on the end a of the jaw. The eccentric d rests in a recess k in the carriage b and is pivoted thereto by at least one link. The eccentric has a flattened surface e by which it is locked in operative position in the recess k.
Patent GB-1126867-A (GB)
Title: Drilling grab
IPC: E02F3/47
Filed: 1967-07-24
Abstract: 1,126,867. Grab buckets. E. HOCHSTRASSER and J. HOCHSTRASSER. 24 July, 1967 [26 July, 1966; 23 June, 1967], No. 33936/67. Heading B8H. In a drilling grab-bucket of the type in which the jaws b are opened by spring pressure, two springs e are provided, one on either side of a pull-rod d to which a lifting rope is attached. When the grab is raised the weight thereof overcomes the spring force and the jaws are closed by the rod d and links c. Springs e are positioned round telescopic guide rods f which are pivoted between points k on the jaw linkage and g on the grab body. The jaws are longer in the opening direction than in the direction transverse thereto.
Patent GB-176133-A (GB)
Title: An improved method of constructing walls or buildings
IPC: E04G11/16
Filed: 1920-12-01
Abstract: 176,133. Smith, M. M. Dec. 1, 1920. Reinforced-concrete walls; wall-ties. -Walls are cast in situ by erecting metal standards C in shoes B which form distance pieces for the shutters, further distance pieces or gauges E being employed to slide on the uprights and be maintained thereon at any height. For angles and cross walls shaped gauge pieces are used to support the shutters at right-angles, and the thickness of the walls may be varied by positioning the shutters against the various lips of the gauges. Corner shutters are joined by pivoted cam levers H, Fig. 2, and where walls are formed with faces of different materials, intermediate plates M are employed and are raised vertically after each pour. Specification 154,392 is referred to.
Patent GB-468410-A (GB)
Title: Improvements in or relating to a device for sealing electric cable ends
IPC: H02G15/04
Filed: 1935-12-31
Abstract: 468,410. Cable-end sleeves. LOBL, F. S. Dec. 31, 1935, No. 33978/36. Divided out of 467,280. [Class 36] A device for sealing the end of a cable n comprises a rubber or other resilient insulating cap r mounted in a ceramic or other insulating holder x having an aperture in its end to expose the top of the cap which is formed with weakened portions t adapted to be pierced by the bare conductors u of the cable when the cap is pushed over the cable end. In order to secure the device to the cable, the rear end p of the cap may be bevelled or rounded and engaged by a conical washer v which is forced against the end of the cap by a sleeve w which screws into the rear end of the holder and causes the rear end of the cap to grip the cable.
Patent GB-341360-A (GB)
IPC: G01B11/24
Abstract: 341,360. Outline gauges. ZEISS, C., [Firm of], Carl Zeiss-Strasse, Jena, Germany. April 22, 1930, No. 12290. Convention date, April 27, 1929. [Class 106 (ii).] In order to examine and gauge screw threads by means of a microscope and to permit the threads to be illuminated by rays inclined to the axis of the thread at the same angle as the thread, the stage 6 of the microscope is provided with a bearing 17 for the thread to be gauged which is adjustable on the stage in two directions at right-angles. The edge of the thread is illuminated from beneath by a reflector 38 and lens 39, mounted in a frame 31, 32 which also carries the microscope tube 33. This frame is adapted to pivot on the support 3 carrying the stage 6 and screwed to the stand 2. Measuring heads 9, 22 are fitted on the traversing screws of the bearing 17 for gauging purposes. The construction enables the angle of inclination of the illuminating rays to be altered with respect to the screw thread whilst maintaining the sighting means co-axial with the illuminating pencil of rays.
Patent GB-1115354-A (GB)
Title: Improvements in nuclear reactors
IPC: G21C1/00
Filed: 1965-08-10
Abstract: 1,115,354. Cooling reactors. BABCOCK & WILCOX Ltd. 10 Aug., 1965 [11 Aug., 1964], No. 34165/65. Heading G6C. In a nuclear reactor, the core is mounted with steam generating and superheating heat exchangers within the pressure vessel. Water is pumped through the core outer zone and through the steam generating exchanger and is pressurized to prevent boiling. Steam from above the free water surface 'is pumped independently through the core centre where it is superheated. The superheated steam is circulated through the superheating heat exchanger where it raises the temperature of the steam produced in the steam generating exchanger. The superheater, being mounted in the steam atmosphere above the free water level, raises the temperature of the steam, there, by heat conduction through its outer surface, and therefore also the steam pressure above the boiling pressure at that temperature, so pressurizing the coolant water. The degree of superheat is adjusted by varying the circulation rates of steam and water. The core centre, being steam cooled, may be operated as a fast breeder reactor.
Patent GB-1167998-A (GB)
Title: Improvements in or relating to Telecommunications Exchange Systems
IPC: H04Q3/00
Filed: 1967-07-26
Abstract: 1,167,998. Automatic exchange systems. SIEMENS A.G. 26 July, 1967 [27 July, 1966], No. 34208/67. Addition to 1,077,679. Heading H4K. In an exchange system having a switching network through which paths are selected with the aid of a simulation network, each of the latter's outlets (d, Figs. 3 and 6) is connected to one input of an individual threeinput AND gate KG. The gate's other two inputs c and r are energized respectively by a signal indicating the free condition of the corresponding outlet from the switching network and by a signal from the marker indicating that the gate corresponds to an outlet in a desired direction (as indicated by the registration and translation of dialled digits). The AND gates are arranged in sets e.g. one set per switch (the switches themselves being arranged in groups, c.f. the Parent case), each set being connected via a multi-input OR gate (diodes G1-G10) and further OR (G101-G110) and AND (UZ1 ) gates to a common multiple MRK extending to the marker AMK. The latter with the aid of ring-like, one-only selectors SU1- SU3 chooses one out of all the triply marked AND gates that appear during route finding. Selection of one switch in the last stage causes a marking to be extended back through the simulation network (contacts, e.g. Z1 in Fig. 4, not shown) to the previous stage where a similar selection takes place. With the fourstage network shown (and also Figs. 1 and 3, not shown), further selection is not then necessary in the second stage since the path through it is by now uniquely determined. The order of priority in respect of outgoing routes is exercised by a stepping register BW and the various translation fields UR, ZR, BR and RF.
Patent GB-343650-A (GB)
Abstract: 343,650. Swivels for well - boring apparatus. WRA Y, J. A., 5141; Dahlia Drive, Los Angeles, U.S.A. Dec. 16, 1929, No. 38565. [Class 85.] A swivel for rotary welldrilling apparatus comprises superposed roller bearings, the upper race of each bearing being connected to a tubular member connected to the boring tool and the lower race of each bearing being connected to a tubular member carried by the suspension means. A tubular member 5, connected to a goose-neck 6, has threaded thereon a collar 8 for connection to suspension links 9. Lower bearing races 10 are also threaded to the member 5, while upper races 18, spaced by members 19, are adjustably connected by rods 16 to a head 15 threaded to a tubular member 12 carrying the boring tubes B. A stuffing box 13 is provided between members 5, 12. A lubricant container 24 surrounds the bearings, the upper cover 22 thereof being secured to the member 5, and a stuffing-box 26 being provided between the lower cover and the member 12.
Patent GB-755094-A (GB)
Title: Elevator safety device
Inventor: NEDERBRAGT JACOB ADRIAAN
IPC: B66B5/24
Filed: 1954-11-26
Abstract: 755,094. Catch gear for lifts. NAAMLOOZE VENNOOTSCHAP MACHINEFABRIEK DER FIRMA P. M. DUYVIS & CO. Nov. 26, 1954, No. 34414/54. Class 78 (3). A brake for limiting the speed of a lift comprises a pair of friction material faced shoes 1, 2 which grip the hoisting rope (not shown) when the cage exceeds a predetermined speed. The shoe 2 is moved towards shoe 1 by a cam 13 operatively connected to a fluid pressure thruster 10 which is actuated by means (not shown) responsive to cage speed. Wedges 16 located on each side of cam 13 between the jaw 2 and rollers 15, and urged downwardly by their own weight or by a spring (not shown), lock the jaw 2 in the braking position until released manually.
Patent GB-1045387-A (GB)
Title: Improvements in or relating to electromagnetic wave delay lines for travelling wave tubes
IPC: H01P9/00
Filed: 1965-08-12
Abstract: 1,045,387. Travelling wave tubes. CSFCOMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Aug. 12, 1965 [Aug. 26, 1964], No. 34520/65. Heading H1D. A meander type delay line comprises a number of parallel, identical and equidistant conductors each of which has its two extremities connected to adjacent extremities of the preceding and succeeding conductors, respectively, each conductor being formed so as to have a central portion 1 connected to two terminal portions 2 by intermediate portions 3 which are substantially perpendicular both to the central portion and to the terminal portions, the central portions being disposed in one plane whilst the terminal portions are disposed in a further plane that is disposed parallel to but displaced from the first plane. The planes may be flat, cylindrical or part-cylindrical. The delay line supports a forward fundamental wave and to enhance the electrical symmetry of the line a correcting member of metal or insulating material is disposed near either side of the line.
Patent GB-1533008-A (GB)
Title: Polycarbonates derived from phenolphthalein
IPC: C08G64/00
Filed: 1976-08-19
Abstract: 1533008 Copolycarbonates DOW CHEMICAL CO 19 Aug 1976 [20 Aug 1975] 34555/76 Heading C3R A thermoplastic copolycarbonate having a weight-average molecular weight of from 25,000 to 60,000 is derived from a carbonate precursor and an aromatic diphenol comprising from 4À7 to 41À1 mole per cent of phenolphthalein. The examples describe copolycarbonates derived from phosgene, bisphenol A, phenolphthalien and p-tert-butylphenol.
Patent GB-1294040-A (GB)
Title: Heat regenerator burner stack
IPC: F28F21/04
Filed: 1970-07-16
Abstract: 1294040 Thermal regenerators; combustion chamber linings SOC GENERALE DES PRODUITS REFRACTAIRES 16 July 1970 [18 July 1969] 34576/70 Headings F4B and F4K The burner stack of a heat regenerator, e.g. a Cowper stove, has a composite lining comprising an inner layer provided by vertically spaced annular sections 1A, 1b-1e surrounded by a continuous cylindrical layer 2 having spaced inwardly extending bearer brackets 5A, 5b-5d extending between and supporting the respective annular sections 1A &c. of the inner layer. The layer 2 is surrounded by an outer insulation layer 3 which in turn is surrounded by a metal casing 4. Small horizontal and vertical clearances are provided between each annular section and the surrounding layer 2 to allow for expansion. Suitable refractory materials for the annular sections 1A &c. are porous silica, porous mullite, porous alumina, or a mixture thereof. 6 Denotes the burner end and 7 the Cowper end of the burner stack.
Patent GB-174510-A (GB)
Title: Improvements in or relating to systems or apparatus for drying textile materials
IPC: F26B13/02
Filed: 1920-12-08
Abstract: 174,510. Hudson, A., and Lyles, V. S., (trading as Hudson, Lyles, & Co.). Dec. 8, 1920. Endless-band conveyers, fibrous material carried on; air and gases, circulation of.-In an apparatus for drying textile materials by the use of hot air, the air from the drying-chamber is conducted back to a coke-fired heater A, through a pipe E which is connected to the top and rear of the drying-chamber and to the heater on the side remote from the fan C. The material is fed to the drying-chamber upon the conveyer D, and passes through the chamber upon endless bands F of wire netting.
Patent GB-460810-A (GB)
Title: Improvements in or connected with rocking horses
IPC: A63G13/00
Filed: 1935-12-13
Abstract: 460,810. Rocking horses &c. REES, L. Dec. 13, 1935, No. 34618. [Class 132 (i)] In a rocking horse or other animal comprising a stuffed body 5 secured to a reinforcing metal frame 1, having portions extending into the head and legs, the bit 6 is secured to the head portion 4 of the reinforcing frame, for example, by a loop 4<a> and to the mouth portion of the horse by discs 7, the reins 8 being attached to rings 9 passing through holes in the bit. The head end of frame 4 may be bifurcated and the bit 6 secured to the two ends so formed.
Patent GB-789067-A (GB)
Title: Improvements in or relating to panoramic radio receivers
IPC: H03J7/32
Filed: 1953-12-11
Abstract: 789,067. Radio receiving circuits. GENERAL ELECTRIC CO., Ltd., and FOOT, J. B. L. Dec. 9, 1954 [Dec. 11, 1953], No. 34638/53. Classes 40 (5) and 40 (6). In a frequency-changing circuit in a panoramic receiver the tuned local oscillator circuit also forms the anode impedance of a preceding signal-frequency amplifier. The local oscillator 2 is of the Hartley type, the tuned circuit comprising a variable condenser 5 and inductance 4, the centre-tap of which is earthed via an inductance 12. The tuned circuit also forms the load for a preceding H.F. amplifier 16 which is of the grounded-grid type. Mixing takes place in a diode 24 provided with a cathode load 25, 26 across which the beat frequency is obtained. The mixer 24 is followed by a low-pass filter (not shown). The arrangement is more particularly intended for use in a panoramic receiver covering a wide swept range, the condenser 5 and, if necessary, the inductance 4 which is then made variable, being motordriven. Specification 712,763 is referred to.