baber/WOPTO huggingface dataset:
Patent GB-201311-A (GB)
Title: Improvements in or relating to buffers for railway and like vehicles
IPC: B61G11/18
Filed: 1922-05-18
Abstract: 201,311. Cammell, Laird, & Co., Ltd., and Ord, L. C. May 18, 1922. Buffers in which a cylindrical case and back plate are made separate from one another and afterwards connected together have the back plate a provided with a flange or flanges b forming therewith a rear socket member adapted to surround or nearly surround the rear end portion of the buffer case c but not to closely fit it, and within the flange or flanges b and at a distance from the front surface of the plate a is an annular jointing surface d arranged to come opposite the adjacent rear end portion of the buffer case c, to which it is united by electric welding, either directly, or through an interposed ring of jointing metal. The flange of the socket member may be welded to the casing a by means of a fusible electrode.
Patent GB-752843-A (GB)
Title: Control means for pulse distributors operating in synchronism
IPC: H03K17/52
Filed: 1954-05-14
Abstract: 752,843. Automatic exchange systems. STANDARD TELEPHONES & CABLES, Ltd. May 14, 1954 [May 21, 1953], No.14185/54. Class 40 (4). Timed pulse distributers operating in synchronism in an exchange system are checked automatically so that a faulty distributer is detected and disabled immediately. Two identical ring counter pulse distributers D1, D2 have four stages each, delivering pulses of duration T respectively to terminals P11-P14 and P21-P24. Each distributer is driven by trigger pulses applied to terminal PA. The distributers are synchronized by cross-connections as described in Specification 702,692. Terminals corresponding to one stage of the first distributer and the following stage in the second distributer are connected to a comparator, for example P11, P22 are connected to gate G112, which issues a pulse only at coincidence. Similarly gate G212 is controlled by the first gate in the second distributer and the second gate in the first distributer. Normally gates G112-G141 and G212-G241 are inoperative, but if a pulse from one or other distributor persists one of these gates operates to trigger the corresponding bi-stable device E1 or E2 to its opposite condition. The downwardly directed lead from E1 or E2 then blocks the faulty distributer. The devices E1, E2 draw current through a common load resistor R so that operation of the one prevents operation of the other. To detect the absence of a pulse from a distributer, the terminals such as P11, P21 are also connected to other comparators such as G11 via a buffer stage D<1>11, D<1>21. Comparators G11, G22, G33, G44 normally receive pulses from the corresponding stages at the same time and so deliver a succession of pulses on a common bus-bar in known manner to a bi-stable device E12. Upon the absence of a pulse there is sudden drop in potential and E12 is triggered to give an alarm. A larger number of distributers operating in parallel may be.supervised by a ring circuit, Fig. 2, with each outlet such as P11 connected to two comparators such as G112, G341.
Patent GB-724127-A (GB)
Title: Improvements in or relating to the alkylation of aromatic hydrocarbons with olefins
IPC: C07C2/70
Filed: 1952-06-05
Abstract: In alkylating aromatic hydrocarbons of no more than 9 carbon atoms with olefins of 9-15 carbon atoms, a liquid phase alkylation reaction is carried out between part of the aromatic feed, and part of the olefin feed at a temperature not above 190 DEG  F. in the presence of aluminium chloride and a promoter therefor consisting of water, hydrogen chloride or an alkyl chloride, to form an aluminium chloride-hydrocarbon complex containing at least 26 but less than 35 per cent by weight of aluminium chloride, and a subsequent liquid phase alkylation reaction is effected between additional aromatic and olefin feeds in the presence of said complex at not above 190 DEG  F. and for a reaction time not greater than 30 minutes.  The process is made continuous by continuously introducing the feed hydrocarbons and additional aluminium chloride and promoter to maintain a catalyst complex of the specified composition.  The aromatic hydrocarbons include benzene, toluene, xylenes, ethyl and propyl benzene.  The olefins are preferably unbranched or slightly branched and may be polymers of propene or hexenes, e.g. a C12 propene or hexene polymer boiling at 364-420 DEG  or 350-425 DEG  F. respectively.  The products are sulphonated to yield detergents.  Reaction temperatures are suitably 115-130 DEG F. or as low as 35 DEG  F. with refrigeration. Hydrogen chloride, if used as promoter, should be at least 25 per cent, by weight of the aluminium chloride to give olefin conversions of 98-100 per cent.  The volume ratio of aromatic to olefin should be at least 5 : 1 and of complex to hydrocarbon, preferably not above 1 : 1.  Alkylate is separated from complex by stratification and the latter may be in part discarded and the remainder re-used after adding aluminium chloride.  This addition can be effected by passing a stream of complex or aromatic feed through a bed of the halide and feeding it to the reactor.  The effects of variation of the aromatic to olefin ratio, aluminium chloride content of the catalyst, olefin conversion, complex to hydrocarbon ratio, reaction temperature, and time of contact are illustrated.
Patent GB-560700-A (GB)
Title: New substituted ureas
IPC: C07C275/14
Filed: 1942-10-12
Abstract: Bis-ureas, useful as respiratory stimulants, of the formula Z-CO-NR-L-NR1-CO-Z (L is an alkylene chain of 2-6 carbon atoms which may have one or more alkyl, alkoxy, or alkoxyalkyl groups, or two such chains united by -O-, -S-, -NH-, or -N-Alkyl-, R and R1 are alkyl groups which jointly contain not more than 8 carbon atoms or alkoxyalkyl groups which jointly contain not more than 12 carbon atoms and Z stands for the secondary aliphatic amino group of a secondary aliphatic amine which is of the form Alk-O-alk-NH-Alk of molecular weight not exceeding 160 or of the form (Alk-O-Alk)2NH of molecular weight not exceeding 220, " Alk " standing for alkyl and " alk " for alkylene) are prepared by causing one molecular p proportion of a diamine R-NH-L-NH-R1 to react with two molecular proportions of a carbamyl chloride Z-CO-Cl, or with two molecular proportions of phosgene to form the bis-carbamyl chloride Cl-CO-NR-L-NR1-COCl which is then combined with two molecular proportions of an amine ZH.  Examples give the preparation of NN1-dimethyl - trimethylenediamine - NN1 - dicarboxylic dichloride, 1,3-dimethyl-2-ketohexahydropyrimidine being formed as a by-product, NN1 - dimethyl - trimethylenediamine - NN1 - dicarboxylic bis (methylmethoxyethylamide), NN1 - diethyl - ethylenediamine - NN1 - dicarboxylic bis(ethylmethoxyethylamide), NN1-di-n - propyl - ethylenediamine - NN1 - dicarboxylic bis(methyl ethoxyethylamide), NN1-dimethyl - trimethylenediamine - NN1 - dicarboxylic bis(ethyl ethoxyethylamide), NN1 - di - n - propyl - ethylenediamine - NN1 - dicarboxylic bis(ethyl methoxyethylamide), and NN1-di - n - butyl - ethylenediamine - NN1 - dicarboxylic - bis - di - (b  - ethoxyethyl) amide.  Ethyl methoxyethyl-carbamyl chloride is prepared, from ethyl methoxyethylamide and phosgene.  Di-(b -ethoxyethyl) carbamyl chloride is made from phosgene and di-b -ethoxyethylamine which is obtained by interaction of b -ethoxyethyl chloride and an excess of aqueous b -ethoxyethylamine, or by condensing aniline with ethylene chlorohydrin to give di(b -hydroxy ethyl)aniline, forming the Na salt and treating with diethylsulphate to give di-(b -ethoxyethyl) aniline and removing the phenol group.  Specifications 560,698 and 560,699 are referred to.
Patent GB-561060-A (GB)
Title: Improvements in or relating to the preparation of shoes for a conforming operation thereon
IPC: A43D49/00
Filed: 1942-10-13
Abstract: 561,060. Trimming upper margins. BRITISH UNITED SHOE MACHINERY CO., Ltd., and ROBERTS, W. T. B. Oct. 13, 1942, No. 14312. [Class 17 (i)] Machines of the kind described in Specification 506,370 modified as described in Specifications 530,981, 539,234, 546,671 are further modified, particularly for dealing with stout uppers. The fingers 7 described in the prior Specifications to press down upper marginal material in advance of the knife are' constructed as previously for pressing down the toe end portion, but for the parts adjacent the pulling-over tacks the fingers 9 are wide and carried by a bar 11 having rollers 31 co-operating with cam grooves of the kind described in the prior Specification but arranged so that their springs 1'5 control the fingers only at the latter part of their travel, the pressure being positive as the fingers press on the side portions. The toe support is locked against depression during the cut instead of being spring-supported as formerly.
Patent GB-580930-A (GB)
Title: Improvements in and relating to carrier current systems
IPC: H04B3/54
Filed: 1944-07-27
Abstract: 580,930. Signalling over power circuits. BRITISH THOMSON-HOUSTON CO., Ltd. July 27, 1944, No. 14335. Convention date, July 27, 1943. [Class 40 (iv)] In a system in which a number of feeders 5, 6 connected to a power line 7 each have a carrier current transmitter 1, 2 for controlling a more remote receiver 3, 4, interference from carrier currents flowing through the power line 7 is prevented by tuning each transmitter as a wave trap. In Fig. 1, the coupling transformers 12 are tuned by shunt condensers 14. This arrangement does not afford protection when both transmitters are operative, since the connection of the generator 8 impairs the tuning. In the modification of Fig. 2, however, the transformer is tuned in both positions of the switch 18 by the use of a second condenser 15, the inductance of the generator being represented at 19. In Fig. 3, each feeder is shunted by a tuned circuit comprising condensers 32, inductance 33 and either the inductance 30 of the generator or an equivalent inductance 34, thus providing a short-circuit for the undesired carrier currents.
Patent GB-119532-A (GB)
Title: Improvements in Submersible Vessels.
Inventor: BARTHOLOMEW GILBERT ADAM
IPC: B63C11/38
Filed: 1917-10-04
Abstract: 119,532. Bartholomew, G. A. Oct. 4, 1917. Submarine vessels. - A submersible vessel adapted for use as a salvage vessel, as a submarine, or as an armoured submersible or floating battery has a central shaft leading to the operating compartments surrounded by a number of ballast tanks permanently open to the sea, and is provided with a number of screw propellers. In the form shown in Fig. 2, the upper end of the vessel is attached by slidably mounted pivots to a surface vessel, and the central tube C is provided with an elevator C' and is surrounded by a series of superposed ballast compartments A open to the sea at B. The central tube may have double walls divided into sections corresponding to the number of compartments, each compartment being open to its own section of the double wall. The sections may be connected to each other and to the central tube through pipes controlled by three-way valves. A ladder may be formed in the tube by rivets running from side to side. Compressed air is supplied to these compartments to empty them through a pipe I and valves J<1>. The operating compartments D are provided with windows G and the lower compartment has motors for driving propellers K. An external weight L can be detached in emergencies. In a modification, the surface vessel is dispensed with and an observation head is fitted to the vessel. In the form shown in Fig. 9, the ballast compartments A are arranged between the crew's compartment N and an observation and fighting head A<3>. The lower compartments are cruciform in section, external air or fuel tanks being arranged between the arms. The compartment N' contains 24 torpedo tubes sighted by means of periscopes P', the compartments N<2>, N<3> are for stores, while the compartment P contains machinery for driving sixteen propellers Y protected by a guard X. A ballast compartment Z has an inclined bottom and movable sides to allow the contained sand or gravel to be discharged. In a further modification, particularly adapted for salvage work, the engine room is arranged immediately beneath the ballast compartments and the lower cruciform compartments are fitted with salvage apparatus and are staggered to allow windows to be fitted in the floor of the upper compartment.
Patent GB-915732-A (GB)
Title: Zone refining apparatus
IPC: D02G1/02
Filed: 1960-04-25
Abstract: <PICT:0915732/III/1> <PICT:0915732/III/2> <PICT:0915732/III/3> Zone melting apparatus comprises means for moving an elongated body of material slowly past a plurality of heat sources whereby portions of the material are melted by each source in turn and allowed to solidify in passing between adjacent heat sources, and includes means to permit the portions of the body of material to be melted but to prevent a seed crystal at one end of the body from being melted.  In one embodiment a boat 3 (Fig. 1) containing material 7d, e.g. germanium, is slowly pulled by a rod 8 through a tube 1 around which are inductive heating coils 6a, 6b and 6c which produce molten zones 7a, 7b and 7c which pass along the material in boat 3.  The boat 3 has an inductive coupling shell 2 (see also Fig. 2), e.g. of graphite, which enables the coils to heat the material and so form the molten zones.  One end of the boat contains a seed crystal 7g in contact with the material, and the shell 2 stops short of this end of the boat so that the seed crystal is not melted.  In another embodiment (Fig. 3) a tube 8 (e.g. of quartz) containing a boat 9 in which is placed material 1A, is moved relatively to sources of radiant heat 4A, 4B and 4C, so that molten zones 1Da, 1Db and 1Dc are formed and pass along the material.  Tube 8 has a shield 5, e.g. of aluminium foil, which prevents a seed crystal 1C from being melted.
Patent GB-1255577-A (GB)
Title: Flexible insulating sheath for direct buried power lines
IPC: H02G15/192
Filed: 1970-03-25
Abstract: 1,255,577. Cable joints. ITT INDUSTRIES Inc. 25 March, 1970 [26 March, 1969], No. 14505/70. Heading H2E.  A waterproof sheath for sealing a cable joint comprises open-ended sleeve 13, e.g. of plastics material and end caps 14, 15 of elastomeric material fitting over the ends of sleeve 13, the end wall of each end cap having sealing tube 31 projecting through it to permit entry of the cables on which they form a pressure fit. Increase of pressure inside or outside the sheath enhances the seal between tube 31 and the cable by increasing the contact between the cable and outer end 36 or inner end 37 respectively of the tube. Assembly of the sheath is facilitated by indicator mark 18 and further, grooves 17 are provided in sleeve 13 co-operating with ridges 21 in caps 14 and 15. The end caps are strengthened by ribs 23 but remain sufficiently elastic to be pulled on to sleeve 13. Internal ribs 24 and 33 on the caps and sleeve respectively limit relative axial movement of the abutting parts and assist sealing. To reduce the likelihood of pressure increase within the sheath, heat transfer from the conductor to the outside of the sheath may be improved by internal projections from the latter making contact with the conductor, or by using loaded grease (Figs. 7 to 9, not shown).
Patent GB-441469-A (GB)
Title: Improvements in radio receivers
IPC: H03G5/26
Filed: 1934-05-14
Abstract: 441,469. Wireless receiving-apparatus. JOHNSON, J. Y., 47, Lincoln's Inn Fields, London.-(Philadelphia. Storage Battery Co. ; Ontario Street, Philadelphia, U.S.A.) May 14, 1934, No. 14528. [Class 40 (v)] In a superheterodyne receiver an intermediate frequency interstage coupling comprises absorption means consisting of a circuit resonant to the intermediate frequency and including variable energy dissipation means. The Figure shows a coupled circuit A including a resistance variable with the bias resistance R so that the loss in amplification when the response is increased, is offset by decrease in the grid bias. Automatic gain control is provided over resistance F, while the receiver may be rendered inoperative except when tuned to a carrier and a tuning indicator provided as described in Specification 441,612.
Patent GB-315945-A (GB)
Title: Improvements in or relating to water cooling towers
IPC: F28F25/04
Filed: 1928-05-17
Abstract: 315,945. Gerard, M. E., and Mouchel & Partners, Ltd., L. G. May 17, 1928. Cooling-towers.-Means are provided to ensure a How of water to the ends of the radial distributing troughs and to the corresponding lateral gutters when the main flow from a central pipe is reduced, whereby the troughs and gutters are kept moist and warping of the timber is avoided. The means comprise wood or other blocks f1, f3, Fig. 3, and f4, f5, Fig. 5, placed at the junctions of the gutters d with the radial troughs c. The blocks are preferably sloped or curved both at the edges and at the back so that as the main flow of water increases the effect, of the obstruction rapidly diminishes. Various shapes may be given to the blocks.
Patent GB-302544-A (GB)
Title: Improvements in means for drying and warming boots and shoes
IPC: A43D3/14
Filed: 1928-08-10
Abstract: 302,544. Cox, C. Aug. 10, 1928. Tress.-A device for warming and drying footwear comprises a hollow, substantially footshaped body from which upstands a neck having a filling aperture and an enlarged heat insulating ring 7 around it at or near its upper end to enable the device to be conveniently handled. The filling aperture may be shaped so as to avoid the necessity of using a funnel.
Patent GB-400321-A (GB)
Title: Improvements relating to radio receiving apparatus
IPC: H04B15/06
Filed: 1932-05-23
Abstract: 400,321. Valve circuits for wireless reception. COLE, Ltd., E. K., Priory Crescent, Southend-on-Sea, MARTIN, A. W., 1, Thames Close, Leigh-on-Sea, HUNT, H., 87, Inverness Avenue, and WYBORN, E. J., 5, Chalkwell Avenue, both in Westcliff-on-Sea. May 23, 1932, No. 14605. [Class 40 (v).] In a superheterodyne receiver, the local oscillator 7 is coupled to the low potential portion of the anode-cathode circuit of the first detector 3 by a substantially aperiodic coupling preferably including a resistance 6 shunted by a condenser 12. Specification 393,081 is referred to.
Patent GB-727261-A (GB)
Title: Modified paper and method for its manufacture
IPC: B65B1/20
Filed: 1952-06-11
Abstract: 727,261. Extensible paper. CLUETT, PEABODY & CO., Inc. May 5, 1953 [June 11, 1952], No. 14707/52. Class 96. Moist paper P from a Fourdrinier machine, or dried paper which has been re-moistened is passed between a rubber belt 15 and a heated drum 13, at a position where the surface of the belt has been extended due to a convex configuration as it passes over a guide roll 10, and is about to be compressed due to a concave configuration as it passes about the roll 13; the paper P being thus compressed transversely and also longitudinally so that it slips over the smooth surface of the drum 13 and the fibres of the paper are crowded into voids therein so that, after drying, the paper is extensible like crepe paper, but has a smooth non-crepe surface. The paper may be subjected to a series of such compressions before final drying, as by a heated drum and a felt. Before treatment the paper should be partly dried slowly as by high-frequency or infra red heating so as to leave voids into which the fibres can be crushed. The paper, which is of increased flexibility, may be used for, or in, twine, or for wrapping cables, the innermost part of the overlapping windings conforming closely to the bare conductor due to the enhanced extensibility. The paper may be creped to give still further extensibility.
Patent GB-1431903-A (GB)
Title: Pressure vessels
IPC: B01J3/04
Filed: 1972-03-29
Abstract: 1431903 Pressure vessel MASS TRANSFER LTD 21 March 1973 [29 March 1972] 14726/72 Heading B1X A pressure vessel comprises a cylindrical body 1 of glass-reinforced plastics material having at each end a glass-reinforced plastics material closure element 2. 3 backed by a metallic supporting element 8, 9, the supporting elements being connected together by one or more tie members 10 spaced from the cylindrical body 1. The embodiment shown comprises a tie member in the form of a metallic shell 10 extending around glass-reinforced plastics material body 1 and connected to supporting elements 8, 9, for example by means of rings 11 and bolts (12) (Fig. 2, not shown).
Patent GB-438205-A (GB)
Title: A new or improved gas fire
IPC: F24C15/22
Filed: 1934-05-16
Abstract: 438,205. Gas fires. PARKINSON STOVE CO., Ltd., ROGERS, R. J., Stechford, Birmingham, and ATHILL, L. C. H., Terminal House, Grosvenor Gardens, Buckingham Palace Road, London. May 16, 1934, No. 14740. [Class 126] A gas fire comprises a number of radiants j arranged in a spaced group around the focal line, or a line adjacent to it, of a curved trough-form reflector b, part of the heat from each radiant falling directly on the part of the reflector behind the radiants. In the construction shown, three radiants are supported at their lower ends in a carrier g and at the top by a bracket k attached to the reflector and having hook members engaging the radiants. Alternatively, the hook members may be carried on a vertical rod projecting upwardly from the base member g. The space within the group of radiants is substantially unobstructed. The stove shown comprises also a front frame a and a reflecting bottom plate f beneath the radiants.
Patent GB-455775-A (GB)
Title: Improvements in and relating to apparatus for supplying current to electric welding machines
IPC: B23K9/28
Filed: 1936-05-25
Abstract: 455,775. Uniting by fusion ; electric collectors. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. May 25, 1936, No. 14765. Convention date, May 29, 1935. [Class 83 (iv)] [See also Group XXXVI] Current is supplied to the carbon electrode of a carbon arc welding apparatus by a contact ring consisting of single sectors pressed by a spring against the electrode and also against the welding head so as to avoid hot spots. The contact ring 4 consists of a number of sectors, which may be conical, and is pressed by a spring 5, preferably through an intermediate conical ring 7 against the electrode 2 and against the conical surface 6 of a nut 3 or ring screwed or otherwise fixed to the welding head. Different diameters of electrodes may be used by varying the number of sectors.
Patent GB-1370392-A (GB)
Title: Production of cyclohexadienones
IPC: C07C67/00
Filed: 1972-03-29
Abstract: 1370392 Cyclohexadienones IMPERIAL CHEMICAL INDUSTRIES Ltd 2 Feb 1973 [6 March 1972 29 March 1972] 10290/72 and 14766/72 Heading C2C Compounds of Formula I (in which X is S or O, R<SP>1</SP> and R<SP>2</SP> are C 4-12  alkyl, R<SP>3</SP> is C 4-8  tertiary alkyl, R<SP>4</SP> is a residue derived from a thiol or alcohol having 1 to 20 carbon atoms and having n, SH or OH groups, and n is 1, 2, 3, or 4) are prepared by reacting a compound of Formula II  with an alcohol or thiol R<SP>4</SP>(XH) n  and with chlorine or with an alkyl or aralkyl hypochlorite in the presence of an acid acceptor. The examples relate to the preparation of 2,4,6-tritert-butyl-4-methoxycyclohexadi-2,5-en-one by reacting 2,4,6-tri-tert.butyl-phenol-with methanol and with chlorine or tert.butyl hypochlorite. 2-Chloro-4,6-di-tert.-butyl phenol is obtained as a by-product. 2,6-Di-tert.butyl-4-methoxyphenol is prepared by heating a methanol solution of 2,4,6-tri-tert. butyl-4-methoxy-cyclohexadi-2,5-en-one in the presence of an acid debutylation catalyst.