baber/WOPTO huggingface dataset:
Patent GB-731261-A (GB)
Title: Improvements in and relating to water heating and room cooling systems
IPC: F16H37/12
Filed: 1952-03-19
Abstract: 731,261. Refrigerating; hot-water supply systems; heating water. BRITISH THOMSON-HOUSTON CO., Ltd. March 19, 1952 [March 20, 1951], No. 7105/52. Classes 29, 64 (1) and 64 (3). [Also in Group XXXV] In a water-heating and roomcooling system comprising a compressor-condenser-evaporator refrigerating system, the condenser 76 heats water in a vertical vessel 50 the upper and lower parts of which are connected by conduits 33, 37 to the upper and lower parts of a vertical water storage tank 15 so that there is a thermosiphon circulation, and the evaporator 49 cools the room air. A thermally actuated valve 89 is arranged in the conduit 33. The valve 89 is closed, except for a small aperture, until a predetermined temperature in the conduit 33 has been reached. The tank 15 has a cold water supply pipe 36 and a hot water outlet 31, which is also connected to a waste pipe 140 through a solenoidactuated valve 137 normally held closed by a spring. A three-way valve 69 allows the conduit 37 or the chamber 50 to be connected to a drain outlet 71. The waterheating chamber is cup-shaped and is formed between inner and outer flanged shells. The water is heated by the helically-coiled tubular condenser 76. Vapour from the evaporator 49 is dried by silica gel in a drying chamber 87, and flows into a casing 81 surrounding a compressor 83 and its motor 82. The compressor draws the vapour from the casing. If the pressure of the refrigerant becomes excessive, a bellows opens a switch 107 to stop the motor. An electric control system (see Group XXXV) can be adjusted so that the fan and compressor are stopped either when the tank 15 is full of hot water or when the temperature of the air in the room has been reduced to a desired level. In the latter case the waste valve 137 is intermittently opened and closed to release hot water from the tank when it is full of hot water until the desired air temperature is reached.
Patent GB-585398-A (GB)
Title: Combustion chamber unit
IPC: F23R3/08
Filed: 1945-03-28
Abstract: 585,398. Gas turbines. ARMSTRONG SIDDELEY MOTORS, Ltd., and HEPPNER, F. A. M. March 28, 1945, No. 7116/44. [Class 110 (iii)] Air delivered by the air-compressor 11 passes into an annular diffussor passage 15. The larger part continues through the passages 17 into the delivery end of the combustion chambers and the rest passes through an annular duct 22 to a supercharger 23 and thence through crossing ducts 24 to the space surrounding the combustion chambers. The delivery ends of the combustion chambers are formed of overlapping plates providing between them tangential inlets to the combustion chambers for the air in the surrounding space.
Patent GB-1103841-A (GB)
Title: A method of producing crystalline polymethacrylates
IPC: C08F20/12
Filed: 1965-02-19
Abstract: A crystalline polymethacrylate is produced by polymerizing a methacrylate of formula CH2= C(CH3)COOR (wherein R is a branched primary or secondary alkyl group having 3 to 11 carbon atoms, a secondary butyl group, a cyclohexyl group, or an aryl group, e.g. a phenyl group) using a catalyst comprising (a) an organoaluminium compound and (b) a compound of a transition metal belonging to Groups IVa, Va, VIa, VIIa or VIII in the Periodic Table of Mendel<\>aeeff in an essentially non-polar solvent and at a temperature of from 0 DEG to 80 DEG  C. Specified branched alkyl groups are isopropyl, isobutyl and 2-ethylhexyl groups.  Suitable organoaluminium compounds are trimethyl, triethyl, triisobutyl and trihexyl aluminium and the transition metal compound may be of Ti, V, Cr, Mn, Co or Fe.  The polymers obtained have regular syndiotactic structure.  In the example, TiCl4 and AlEt3 are dissolved in toluene and cyclohexyl methacrylate is polymerized in the solution heated to 30 DEG  C., the entire procedure being carried out under nitrogen.
Patent GB-116107-A (GB)
Title: Improvements in Systems for Telegraphic and Telephonic Communications.
Inventor: CLAUS JOSEPH HENRY
IPC: H04M11/06
Filed: 1916-05-20
Abstract: 116,107. Claus, J. H. May 20, 1916 Alternating-cutrent systems.-In a telegraph or telephone system employing alternating current and high-frequency oscillating current eitherseparately or together, the line is charged by a direct-current source through a large inductance. When high-frequency oscillating currents are employed, the system is adapted for multiple transmission by tuning the various transmitters and receivers. In the arrangement shown in Fig. 1, the signalling-currents are supplied by an alternator 5 connected to the line 1 and to the return, which may be earth, through condensers 18, 18<a>; while the line is charged by a battery 4 through an inductance 3. When used as a telephone system, a switch 21 is operated to insert a transmitter 20, while the switch 17 is closed: but when used for telegraphing, the transmitter 20 is switched out and the switch 17 operated intermittently. In the arrangement shown in Fig. 2, the line 1<a> is charged by a battery 4<a> through an inductance 3<a>; while the line 1<a> and the aerial 12 are supplied with high-frequency oscillating current by the alternator 5<a> and an intermediate circuit containing the capacity 9 and spark-gap 10.
Patent GB-1077557-A (GB)
Title: Improvements in the refining of oils
Inventor: DAWKINS ARTHUR WILLIAM
IPC: C11B3/00
Filed: 1965-02-19
Abstract: In the process for refining animal or vegetable oils as claimed in Specification 1,002,974, the hydrotrope used is a sulphone-free sulphonic acid salt.  The sulphone-free sulphonate may be prepared by sulphonating an alkaryl hydrocarbon, quenching and neutralizing the product, and then extracting with ether, toluene or xylene by agitation or by counter-current extraction to remove the sulphones.
Patent GB-568536-A (GB)
Title: Manufacture of butadiene
IPC: C07C4/00
Filed: 1943-05-07
Abstract: Butadiene is recovered from the vapours obtained by pyrolyzing cyclohexane by absorption in a liquid hydrocarbon in a plurality of stages at increasing pressures.  The pyrolysis vapours, after cooling, may be scrubbed in counter-current with an inert liquid hydrocarbon such as cyclohexane, light petroleum oils, solvent naphtha, benzine, xylene or toluene, preferably having a boiling point above about 80 DEG  C. and an S.A.E. viscosity of less than 30. At atmospheric pressure products boiling above butadiene, e.g. cyclohexanes, are mainly absorbed, substantially all of the butadiene being absorbed in a second pressure scrubber at between 2 and 30 atm. Two stages generally suffice.  Other pressures such as sub-atmospheric may be used in the first stage, and atmospheric or above in the second.  Temperatures may be normal or down to 10-15 DEG C.  An excess of scrubbing liquid should be used in the second scrubber compared with that in the first.  With a pressure ratio of 1 : 5, the throughput of scrubbing liquid is preferably 1 : 2.  In examples: (1) cyclohexane with 10 per cent by weight of oxygen as air is injected into a reactor, the combustion raising the temperature to 700-800 DEG  C. and the gases being immediately plunged into water at 35 DEG  C.  The condensed cyclohexane contains about 20 per cent of the butadiene formed.  The uncondensed vapours are scrubbed with cyclohexane at about 40 DEG  C., first at 1, then at 5 atm.  The first scrubber effluent contains about 4.5 per cent, the second about 75.5 per cent of the butadiene formed. These may be distilled, the second preferably under the pressure of scrubbing, for recovery of butadiene and cyclohexane.  Instead of combustion with oxygen, mixtures thereof with water gas or the like may be used; (2) vapours, from cyclohexane pyrolyses containing cyclohexane, butadiene, ethylene, propylene, hydrogen and saturated hydrocarbons are similarly water cooled and scrubbed with a light petroleum oil such as straw oil having an S.A.E. viscosity of about 10, first at ordinary pressure, then at 75 lb./sq. in.  The effluents are separately subjected to steam distillation to recover butadiene.
Patent GB-887367-A (GB)
Title: Improvements in or relating to equipment for handling dangerous substances
Inventor: BAGNALL KENNETH WINFIELD
IPC: B25J21/02
Filed: 1959-03-03
Abstract: 887,367. Handling radioactive material. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Feb. 19, 1960 [March 3, 1959], No. 7309/59. Class 39(4) Handling apparatus comprises a gas tight chamber 3 mounted on a movable stand 2 and having glove ports 13, 14 in the inner pane 18 of a window 7 having an outer pane 20. Air is extracted from the chamber by an ejector (not shown) secured to an aperture 15, the box 16 containing a filter. The space between the panes 18, 20 is maintained under reduced pressure by suction applied to a pipe 22. A turntable 29 is mounted by a bearing 30 on the chamber base-plate 5 and has a port 36 which may be brought into register with any one of three ports 23, 24, 25 provided in the baseplate and normally closed by covers 26, 27, 28. A number of chambers may be mounted side-by-side (Fig. 8, not shown) and connected by the ends 46 of ducts 43 extending parallel to each window 7, each duct connecting with its chamber 3 through a tube 44 leading to a port 24. An electrically driven trolley 53 in the ducts permits transfer of material from one chamber to another. Specification 847,363 is referred to.
Patent GB-883664-A (GB)
Title: Improvements in shaped charges used for the perforation of bore-hole casing
IPC: F42B1/028
Filed: 1958-03-06
Abstract: 883,664. Blasting charges. SOC. DE PROSPECTION ELECTRIQUE PROCEDES SCHLUMBERGER. March 6, 1958 [April 1, 1957], No. 7317/58. Class 9(1). A shaped charge for use in perforating well casings comprises a housing 7 having an axial opening 8 to receive ignition means (not shown) and containing an explosive charge 9 provided with a metal liner 10. The shape of the liner 10 is that of a surface of revolution generated by rotating an inflected curve about the axis of the charge. The slope α of the generating line relative to the axis near the inner end of the liner is preferably between 10 degrees and 30 degrees and the slope # at the base of the liner is between 10 degrees and 40 degrees. Preferably the radii of curvature r 1 , r 2  on opposite sides of the point of inflexion are between 0.2 D and 0.5 D, where D is the maximum diameter of the charge.
Patent GB-1095074-A (GB)
Title: Improvements in primary cells
IPC: H01M6/04
Filed: 1966-02-18
Abstract: 1,095,074. Primary cells. GENERAL ELECTRIC CO. Feb. 18, 1966 [March 8, 1965], No. 7353/66. Heading H1B. A primary cell having an aluminium or aluminium alloy negative has an alkaline electrolyte containing hypochlorite ions. The pH of the electrolyte should preferably be in excess of 10À5.
Patent GB-415819-A (GB)
Title: Improvements in or relating to processes for the conversion of milk and cream into butter
IPC: A23C15/02
Filed: 1933-03-10
Abstract: In the process of making butter according to the parent Specification the kneading of the butter is carried out in an atmosphere of carbon dioxide under pressure.
Patent GB-1000350-A (GB)
IPC: B60R1/06
Filed: 1962-02-26
Abstract: 1,000,350. Rear-view mirrors. NELMOR ITALIANA S.r.L. Feb. 26, 1962 [April 28, 1961], No. 7377/62. Heading B7J. A rear-view mirror 2 is adjustably mounted on an arm 7 and support 8, the latter having a frusto-pyrimidal extension 8<SP>1</SP> engaging a correspondingly shaped seat 12<SP>1</SP> in a base member 12 for mouting on the side of a vehicle, the extension 8<SP>1</SP> having a cross-pin 10 connected by an eye 15<SP>1</SP> to one end of a flexible wire 15 anchored at its other end to a plate 15<SP>11</SP> abutting a compression spring 16 housed in a case 17 within the base member 12, the wire 15 passing around a roller 11 supported on the base member. When the arm receives an impact it can rock and/or rotate relative to the base against the action of the spring and when the force of impact is removed the arm can return to its original position. Reference has been directed by the Comptroller to Specifications 746,275, 746,366, 746,370 and 854,886.
Patent GB-447938-A (GB)
Title: Improvements in and relating to valves
IPC: F16K3/04
Filed: 1935-03-09
Abstract: 447,938. Valves. BLEACHERS' ASSOCIATION, Ltd., Blackfriars House, Parsonage, Manchester, and TOWNSEND, W., 39, Cavendish Road, Kersal, Salford. March 9, 1935, No. 7381. [Class 135] A valve device particularly adapted for use in connection with the supply of steam or liquor to bleaching kiers is constructed so that the inlet ang outlet may be connected or the inlet blanked off and the outlet connected to atmosphere. In the form shown, the inlet and outlet are separated by a fixed partition 5 and are adapted to be connected by a byepass in a cover plate 12 pivotally mounted on a pillar 7. This plate is interchangeable with a cover 14 adapted, when in position, to seal the inlet and connect the delivery passage to atmosphere by way of ports 15. The two covers may be integral, as shown, or may be independently mounted. The pillars 7 support a bridge 8 carrying a hand-actuated screw for pressing the cover plates firmly in contact with packing 6 surrounding the inlet and outlet ports. Lugs 13 engage one of the pillars to limit the movement of the covers.
Patent GB-235817-A (GB)
Title: Improvements in and relating to optical lenses
IPC: G02C7/06
Filed: 1925-03-19
Abstract: 235,817. Ustonson, C. B. March 19, 1925. Spectacle lenses.- Spectacle lenses having three different focal section are constructed with the reading section formed by a fused insertion of glass of a different character to the remainder of the lens and entirely surrounded by the intermediate section. In manufacture two lenses are made from a circular disc a of spectacle glass by grinding recesses b near the centre and inserting pieces of flint glass c as shown. The outer surface is then worked, producing a reading lens at the fused parts c, and an intermediate lens d, the remainder of the lens forming a distance lens. The disc a is then divided between the lenses c and edged.
Patent GB-350525-A (GB)
IPC: F16D13/75
Filed: 1930-03-07
Abstract: 350,525. Friction clutches. STEMPELWERK GES., 30, Cassellastrasse, Fechenheim, and MECANO GES., 48, Bockenheimer-Anlage, both in Frankfort-on- Main, Germany. March 7, 1930, No. 7500. Convention date, Nov. 9, 1929. [Class 80 (ii).] Pressure-equalizing means for the actuating-levers 5 of multiple-disc clutches for motor vehicles &c. comprises movable e bearings 9 for the lever - pivots resting in seating 10 in an equalizing - ring 11, which slides over a spherical face on a ring 12 adjustably threaded on a flange 13 of the clutch housing 6. In a modification, the pivot bearings are fixed on the housing 6 and the spring-pressed actuating sleeve 7 is in two parts, with spherical contact, the outer part being jointed to operating-rods for the levers 5.
Patent GB-809794-A (GB)
Title: -ß-thiosubstituted acylamino-nitro-propiophenones and process for the preparation thereof
Filed: 1956-03-09
Abstract: The invention comprises a -acylamino-b -thio-p-nitropropiophenones of the general formula <FORM:0809794/IV (b)/1> (wherein R1 represents an alkyl, dialkylaminoalkyl or substituted aryl group or a group of the formula p-NO2-C6H4-CH(NH.COR11)-CH2-and R11 represents an alkyl or dihaloalkyl group), and the preparation thereof by reacting an a -acylamino-p-nitroacrylophenone of the formula p-NO2-C6H4-C(NH.COR11) = CH2 with a compound of the formula R.SH, wherein R represents hydrogen or an alkyl, dialkylaminoalkyl or substituted aryl group, in an inert solvent (e.g. an aliphatic or aromatic hydrocarbon or chlorinated hydrocarbon, ester, alcohol or ether), if desired in the presence of an alkaline catalyst (e.g. a tertiary amine or an alkali metal alkoxide or carbonate) and advantageously at 0-100 DEG  C.  The products are useful as fungicides and as intermediates for other therapeutic products.  Examples describe the interaction in benzene of: (1) and (2) a -acetylamino-p-nitroacylophenone with monothiohydroquinone, and with 2-diethylaminoethanethiol in the presence of anhydrous K2CO3; (3) and (4) a -dichloroacetylamino- and a -acetylamino - p - nitroacrylophenone with thiosalicylic acid; (5) and (6) a -acetylamino- and a -dichloroacetylamino - p - nitroacrylophenone with n-butyl mercaptan.  In examples (7) a solution of a -acetylamino-p-nitroacrylophenone in dioxan is saturated with H2S, producing di-(2-p-nitrobenzoyl - 2 - acetylaminoethyl) sulphide.  Specification 766,682 is referred to.
Patent GB-526126-A (GB)
Title: Improvements in or relating to transportable splinter-proof armoured cells for use, for example, in air raids
IPC: E04H9/10
Filed: 1939-03-08
Abstract: 526,126. Air-raid shelters. COLLINS, F. E. March 8, 1939, No. 7560. Addition to 518,165. [Class 20 (i)] A modification of the metal air-raid shelter described in the parent Specification consists in mounting the door on pintle hinges 1, 3 so that when the door is blocked by debris it may be lifted off the pintles 2. To enable this to be performed from inside the shelter the locking lever 5 is provided with a slot 8 in which works a pin 7, the arrangement being such, that when the pin engages the end of the slot the part 4 of the lever is in a horizontal position to receive a lifting force. A supplementary fixed handle 9 may also be provided to facilitate the lifting. The hinge portions 1 may be bolted to the shelter so that they may be unbolted from the inside.
Patent GB-747667-A (GB)
Title: Pressure relief valve
IPC: G05D16/10
Filed: 1953-03-19
Abstract: 747,667. Valves. HINDMARCH, T. March 19, 1954 [March 19, 1953], No. 7665/53. Class 135. A pressure release valve comprises a cylinder 3 connected at or towards the lower end to a source of fluid pressure J and containing an inverted cup-shaped piston A with ports C in its side wall which co-operate with a groove D and exhaust port E in the cylinder wall, and the piston A is pressed downwards by a spring G which is located between the piston and an abutment member H, the cylinder and the abutment being relatively movable so as to adjust the working characteristic of the valve. As shown, the member H screws into the valve casing 1. In a modification, the member H comprises a piston working in a cylinder with a further loading spring located between the piston and the screw adjusting-member. Pressure fluid may be applied to the underside of the piston so as to lessen the pressure at which the relief valve opens. In a modification, the last mentioned piston abuts at its upper end against an adjusting screw, and the loading fluid is applied to the upper surface of the piston through a metering valve and a non- return valve in parallel. Abutment screws limit the amount by which the loading piston can be moved towards the valve. The valve may be loaded by a series of springs which come into operation sequentially.
Patent GB-1164873-A (GB)
Title: Edit and Margin Control System
IPC: B41J5/30
Filed: 1967-02-17
Abstract: 1,164,873. Electrically controlled printers. INTERCONTINENTAL SYSTEMS Inc. 17 Feb., 1967 [17 Feb., 1966], No. 7750/67. Heading G4H. Apparatus for controlling the operation of a printer in accordance with input data, e.g. from a tape reader, comprises a control circuit, input data sensing means responsive to a grammatical condition in the input data and means connected to the control circuit to vary the operation of the printer in accordance with the grammatical condition sensed in the input data. Margin control means are provided for establishing a right-hand margin at which each line of type is caused to end at a grammatically suitable point. Once the margin position is set, a signal is produced to indicate that the printer has reached the margin zone. The margin indicating means is reset at the end of a line by a carriage return operation. In order to allow a carriage return operation to take place in the margin at a point within a word, all words in the input data are hyphenated, between syllables, where a break would be acceptable. If such a hyphen is sensed outside the margin, it is ignored. If it is sensed inside the margin the hyphen is printed and a carriage return operation is initiated to begin the next line. If the input data contains a full-stop followed by a carriage return signal, the carriage return signal is converted to a space signal if the printer has not yet reached the margin, but if it is in the margin, it is allowed to take effect and return the carriage to start a new line. A sentence may end not with a full-stop, but with a questionmark or an exclamation mark. The operation for such cases is similar. If the end of a word is sensed (by the occurrence of a space signal) in the margin zone, the carriage is returned to start a new line, the space signal being converted to a carriage return signal. The end of a paragraph is detected by the occurrence of two successive carriage return signals. The printer operation can be stopped upon the occurrence of a preselected grammatical condition, a preselected character, at the end of a word, at the end of a sentence or at the end of a paragraph. The printer is a typewriter which may be operated manually, and a punch is associated with the typewriter which may punch a paper tape or record cards to store the printed data. A seven-channel binary code is used, with an eighth channel containing delete signals. The punch may be operated when the typewriter is under the control of the tape reader.
Patent GB-557246-A (GB)
Title: Improvements in and relating to apparatus for manufacturing insulated wire
IPC: B29C48/06
Filed: 1942-06-09
Abstract: 557,246. Vulcanizing coated wire. BRITISH THOMSON-HOUSTON CO., Ltd. June 9, 1942, No. 7881. Convention date, Jan. 11, 1941. [Class 70] In vulcanizing a coating on wire by passing the coated wire through a long vulcanizing chamber supplied with steam, provision is made to prevent the wire sagging into the pools of condensate formed in the chamber. The wire, after being coated by passage through an extrusion press, passes through a seal 12 into a vulcanizing chamber 11 supplied with steam through inlet pipes 16 and fitted with a liner consisting of perforated tubes 29 with external fins 30 and with flared ends 32 or with spiral springs laid end to end. The wire leaves through a second seal. The seals are formed with glands 19, 21 which receive water or gas under pressure, higher than that used in the vulcanizing chamber, passing from an inlet 24 to an outlet 26, and are of the kind described in U.S.A. Speculation 2,069,087.
Patent GB-115852-A (GB)
Title: Feeding Device for Winnowing Machines.
Inventor: HENRIKSEN JENS MADSEN
IPC: B02C11/04
Filed: 1918-05-10
Abstract: 115,852. Henriksen, J. M. May 16, 1917, [Convention date]. Feeding-devices for granular and like materials. -A feed-regulator for a winnowing-machine consists of an adjustable feed-roller which is so arranged at the mouth of a hopper that the position of the roller determines the feed without altering the area of the feed-opening. In the regulator shown in Fig. 1, the feed-roller 3 is journaled in plates 4 which are pivoted on a rod, or the shaft 5 of a roller 2, arranged near the mouth of the hopper 1. In the position shown, the feed is at a minimum; but by lowering the feed-rollers towards the position shown in dotted lines, the feed can be increased. The feed-roller may be raised or lowered by turning a pinion or worm 14 which gears with teeth 13 on the plates 4. The rollers 2, 3 are geared to rotate in opposite directions, and may be provided with ribs and spikes respectively. The throat of the hopper is formed by screens 8, 22, and the plates 4 are provided with a curved screen 7 which slides over a screen 6 on the hopper. In the regulator shown in Fig. 4, the feed-roller 3 is mounted on a stationary shaft 16, and the shaft 5 of the roller 2 is carried by rocking arms 4 and is connected to a screen 18 which is guided by a slotted member 20 on the hopper 1.