baber/WOPTO huggingface dataset:
Patent GB-1442178-A (GB)
Title: Ethynylbenzene compounds
IPC: C07C233/54
Filed: 1973-07-02
Abstract: 1442178 Ethynylbenzenes WILLIAM H RORER Inc 2 July 1973 [3 July 1972] 31348/73 Heading C5E [Also in Division C2] Novel ethynylbenzenes of the general formula wherein R is C 1-7  alkyl, C 3-7  cycloalkyl, C 1-7  alkyl-C 3-7  cyclo-alkyl, C 3-7  cycloalkenyl or aryl optionally substituted by Y<SP>11</SP>, each of Y and Y<SP>1</SP> is a hydrogen atom or C 1-7  alkyl group and Y<SP>11</SP> is a C 1-7  alkyl group, with the provisos that when R is methyl, ethyl, n-propyl or phenyl then at least one of Y and Y<SP>1</SP> is other than a hydrogen atom, when R is methyl then at least one of Y and Y<SP>1</SP> is other than hydrogen or methyl, and when R is t-butyl then at least one of Y and Y<SP>1</SP> is other than methyl, are prepared (a) by heating the corresponding phenylpropiolic acid in quinoline and (b) by treating the corresponding 1,1-dichloroethylbenzene with sodamide in liquid ammonia. Hydrocarbons products listed include p-cyclopentyl-p-cyclohexyl-, p-cycloheptyl-, p-isopropyl- and, p-isobutylethynylbenzenes.
Patent GB-213223-A (GB)
Title: Drop hammer stamping apparatus
IPC: B28B1/04
Filed: 1923-12-13
Abstract: 213,223. Rosa, A. March 21, 1923, [Convention datel. Tamping-machines. - Relates to drop stamps for tamping concrete into blocks of the type comprise stamps 2, 2' suspended by guide rods 7 from cross bars 9 furnished .at one side with projections 15 adapted to be engaged by lifting-dogs 14 on chains &c. 10 and at the other with projections 21 adapted to be engaged by catches 20 on retaining-levers 16 carried by a shaft 17 mounted in eccentric bearings. To prevent the dogs 14 from engaging the projections 15, the levers 16 are raised by turning the shaft 17 through a lever 19, cam 28 and eccentric 18<11>. The levers 16 are pressed into operation by springs 22<1>, 23<1> carried by shafts 24, 26 operable by hand levers, and are withdrawn by counterweights 21<1>.
Patent GB-173132-A (GB)
Title: Improvements in connection with de-seeding machinery for flax and other fibrous plants
IPC: D01B1/12
Filed: 1920-11-06
Abstract: 173,132. Mitchell, T. E., and Dixon, W. Nov. 6, 1920. Rippling-apparatus.-In apparatus of the kind in which a pair of rollers are em. ployed with intermeshing pins for removing the seeds from flax and other fibrous plants, the pins are arranged either singly or in groups along helices A, Fig. 3, of opposite hand, so as to form, when the roller surface B is developed, the sides of a triangle the base of which is parallel to the axis of the roller. The pins are inclined with their points in advance of their bases, are of a diameter between 0.05 and 0.07 of their length, have a circumferential pitch between 0.45 and 0.6 of their length, and are a longitudinal distance apart between 0.12 and 0.18 of their length. The apex of the series of pins of one roller is arranged to come midway between the apex and the base of the series on the coacting roller. The pins may be arranged in a series of helices either side by side or successively, or both side by side and successively as shown in Fig. 6.
Patent GB-1465517-A (GB)
Title: Air-cushion landing gears for aircraft
IPC: B60V1/00
Filed: 1974-07-16
Abstract: 1465517 Air cushion undercarriage for aircraft I A BEREZHNOI A I ELATONTSEV V V IGNATIEV D D IVLEV B V MAYANOV V A SVINUKHOV V P KUZMIN A I EVDOKIMOV and L V ZHIDKOVA 16 July 1974 31518/74 Heading B7K An aircraft has three air-cushion supporting landing units, arranged conventionally with two laterally spaced about the aircraft longitudinal axis and one on said axis forward of the aircraft C.G. Each unit comprises a platform 9 formed by an upper skin 29 and a spaced annular skin 30 connected by radial ribs 31, an annular plate 33 being connected to the outer extremities of the ribs for the attachment of part of a flexible skirt. An air inlet channel 27 is formed in the centre of platform 9 and surrounded by a flange 38 by means of which each unit is secured to an undercarriage leg. The channel 27 has radial ribs to support an hydraulic motor 12 driving a fan 11 for supplying cushion air, and is surrounded by an annular space C confined by skins 29 and 30 and a cylindrical wall 35 and communicating with atmosphere through a control valve 36 and with the air cushion space A. The cushion space is bounded by an inflatable annular chamber 10 formed by a flexible skirt 10a and a flexible inner wall 10b and divided into upper and lower spaces by a flexible annular membrane 16 perforated at 17. Pressure air from fan 11 is delivered by radial ducts 28 that discharge through openings 34 in plate 33 and perforations 17 to inflate chamber 10. The cushion space is divided by a membrane 19 into two spaces, the space A and an upper space B, the membrane being secured at its inner perimeter to a rigid landing or support pad 14 and at its outer perimeter to the wall 10b by means of elastic cords 21. The membrane 19 is formed of wear resistant material or with a wear-resisting tread and during landing air is admitted to cushion space A through valve 36 so that space B is inflated to bring membrane 19 into contact with the ground against the action of elastic restraining cords 22 to provide a braking effect. The flexible skirt is retracted in flight by elastic cords 41, 42 or by retraction cables.
Patent GB-856990-A (GB)
Title: Improvements relating to railway vehicle vacuum braking apparatus
Inventor: WASHBOURNE JACK
IPC: B60T13/46
Filed: 1958-10-03
Abstract: 856,990. Fluid-pressure brakes. WESTING- HOUSE BRAKE & SIGNAL CO. Ltd. Sept. 23, 1959 [Oct. 3, 1958], No. 31586/58. Class 103 (1); An electro-vacuum railway vehicle braking apparatus has as pipe means to interconnect the apparatus down a train of vehicles only a single vacuum supply pipe (not shown in drawing) which is adapted to be permanently charged, and comprising a sealed vacuum space at 13 at all times unconnected, other than through the vacuum supply pipe, with the apparatus in other vehicles in a train, electromagnetically-operated valves 15 and 16 to control communication, of the vacuum space, on the one hand with the vacuum supply pipe, and on the other hand, with the atmosphere, and a relay valve device 36, 37 to reproduce in the lower chamber of the brake cylinder, the pressure conditions prevailing in the vacuum space, at least for degrees of vacuum above a predetermined low degree. The vacuum storage reservoir 12 is preferably combined with the vacuum space 13 in a two-chamber reservoir to which is attached directly a unit including the electromagnetically - operated valves and the relay valve device.
Patent GB-1440939-A (GB)
Title: Bung drum made of plastics with one or more bung openings
IPC: B65D1/20
Filed: 1973-07-03
Abstract: 1440939 Portable containers GPG HOLDINGS Ltd and THERMO PLASTICS Ltd 3 July 1973 [21 Dec 1972] 31615/73 Addition to 1430983 Heading B8D [Also in Division B5] The rims of a blow-moulded plastics drum body 1 and an injection moulded plastics end closure 6 having a bung hole 16 are provided with interlocking formations and a sealing connecting weld 19. The weld may be effected by spin-, hot-wire-, or ribbon-welding techniques. The interlocking rim formations are as described in the parent Specification 1,430,983 and comprise a body bead 3 and groove 5 and a corresponding end closure groove 8 and flange 11 and 12, and the weld is formed between an inturned body lip 4 and a flange 13 bordering an end closure groove 9 receiving the lip. The weld eliminates the need for a gasket between the parts although a gasket may still be employed. As described in the parent Specification, the closure may be inserted into the body whilst the latter is in a warm condition so that, on subsequent cooling, the body shrinks to grip the closure.
Patent GB-648158-A (GB)
Title: Improvements relating to liquid fuel vaporisers
Inventor: CLARKE JOHN STANLEY
IPC: F23R3/32
Filed: 1948-12-07
Abstract: 648,158. Liquid-fuel burners. LUCAS, Ltd., J. Dec. 7, 1948, No. 31630. [Class 75 (i)] A liquid fuel vaporizer adapted for use particularly in the combustion chambers of liquid fuel prime movers such as jet propulsion engines or turbines comprises one or more vaporizing tubes, e.g., consisting of coaxial members f, g, a nozzle b injecting fuel into the or each tube f into which is also allowed a limited quantity of air through an inlet h, and from which the fuel-air mixture passes tangentially into a short cylindrical combustion chamber j open at one end. Air is also supplied to the combustion space through a perforated nozzle k on which a deflecting plate may be mounted to prevent direct access of air to the interior of the chamber j. An alternative construction is described in which the vaporizing tube or tubes is or are of substantially U-shape, and an annular air nozzle is provided. In a modification of the latter construction a coaxial pilot burner is provided and an air pipe extending through the combustion chamber j and associated with a baffle, provides means for minimising carbon deposition on the end wall of the chamber j.
Patent GB-218197-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F01L7/06
Filed: 1923-12-17
Abstract: 218,197. White, A. E., (Guy Disc Valve Motor Corporation). Dec. 17, 1923. Spindles.-A rotary disc valve for internal-combustion engines is connected with its spindle so as to allow a slight rocking movement ensuring a more accurate seating of the valve. The valve spindle is formed with a rounded shoulder 40, Fig. 11, engaging a corresponding recess in the valve 23 and is secured to the valve by a key 42 passing through slots in the valve and spindle with sufficient play to allow of the rocking movement. The key is held in position by a pin 46.
Patent GB-921207-A (GB)
Title: Improvements in plug-in electrical apparatus
Inventor: ROBERTS CHARLES GEORGE
IPC: H05K5/00
Filed: 1961-09-04
Abstract: 921,207. Switch cases. TYER & CO. Ltd. Sept. 4, 1961, No. 31662/61. Class 38 (5). [Also in Group XXXVI] In an electrical plug-and-socket unit the plug part comprises a cover 1 and a base 2 carrying electrical components, e.g. a relay, secured together by a strap 4 fixed to the base and passing round the cover, inward projections 5 being formed in the strap which engage bowed springs 6 arranged in slots 10 in flanges 8 on the cover, thereby urging the base and cover together. The plug part is plugged into a socket part 3 and the two parts of the unit are held together by a spring 16 which has inturned ends 18 which engage in the socket part 3. The strap 4 is spaced from the top of the cover to form a handle.
Patent GB-1418555-A (GB)
Title: Pest control device
IPC: A01M29/18
Filed: 1973-07-03
Abstract: 1418555 Acoustic horn ULTBASONSOUTHERN Inc 3 July 1973 [29 Dec 1972] 31692/73 Heading H4X [Also in Division G5] To repel pests an ultrasonic whistle mounted in the neck of a flared horn comprises air nozzle 40 projecting an air jet under pressure of a few p.s.i.g. at a cavity 48, partially impeded on the way by aerofoil 53 made integral with the horn housing, the dimensions of the whistle being of the order of mm. In a further embodiment the housing is mounted directly on a diaphragm type compressor (Figs. 5, 6, not shown) driven by a crank oscillating at 28 Hz, so that air pulses from the diaphragm substantially modulate the intensity of ultrasound produced, stated to be particularly effective for pest repulsion.
Patent GB-307901-A (GB)
Title: Improvement in check valves of air compressors
IPC: F04B49/24
Filed: 1928-11-01
Abstract: 307,901. Ingersoll-Rand Co., (Assignees of Redfield, S. B.). March 17, 1928, [Convention date]. Regulating compression.-A check valve q in the discharge line of a compressor is operated by pressure-actuated means to hold the valve closed without chattering during the starting, stopping, and idle periods, and to allow it to remain constantly open during the working periods. The guide p on which the valve slides is formed with a passage x constantly open to the chamber J in the discharge line and having valved communication with a recess in the guide which communicates also with a passage w leading to the back of the valve q. The valve z, which controls communication between the passages p, y, w, is pressed outwards by a spring and inwards by an extension rod 6 of a piston 5 formed in two parts capable of slight relative motion, and forced inwards during normal working by air passing from the discharge line through pipes h, k, 17 controlled by pilot valves T, U; the space behind valve q is then vented to atmosphere through the passages w, y, the space around the rod 6 and a port o'. The valve q is then open continuously under the discharge pressure. At the same time, air passes through a pipe k<1> to the rear of a piston relief valve R and holds it closed. The pilot valves T, U each comprise a pair of balls b, c separated by a rod and held up continuously during normal working by a piston V subject to the pressure of air entering through openings W near the cylinder ends. During the stopping period, when the speed is less, the pistons V and valves b, c will rise and fall alternately, and the valves c uncovering ports to atmosphere will gradually relieve the air pressure behind the pistons 5, R, allowing the valve z to open and admit compressed air behind the valve q to close it, while the relief valve R is allowed to open. This position of the valve q continues during the stoppage and during the starting period until the speed increases enough to hold the pistons V continually up, when compressed air is again supplied to the pistons 5, R, and the back of the valve q is again relieved of pressure.
Patent GB-622682-A (GB)
Title: An improved mechanical soil digging and conveying appliance
IPC: E02F3/08
Filed: 1947-10-28
Abstract: 622,682. Excavating. HARDY & PADMORE, Ltd., and SOUTHALL, T. J. Oct. 28, 1947, No. 31856. [Class 68 (i)] [Also in Group XXX] Means for removing top soil comprises a bucket chain b<SP>3</SP> which first extends vertically, then inclines rearwardly at b<SP>5</SP> and then extends horizontally at b<SP>6</SP>, the parts being driven by a motor j<SP>1</SP> ; the chains carrying the buckets are disposed in fixed channel-shaped side rails.
Patent GB-382438-A (GB)
Title: Improvements in or relating to acoustic filters or silencers
IPC: F01N1/06
Filed: 1931-11-17
Abstract: 382,438. Exhaust silencers ; acoustic filters. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A., and KEITH, C. R., 4, Arcade House, Finchley Road, London. Nov. 17, 1931, No. 31857. [Class 7 (ii).] An acoustic filter or silencer consists of an elongated conduit having a longitudinal slit or a number of lateral openings along its length, the conduit and the slit or openings being relatively so proportioned that a pressure impulse imparted to a gaseous stream in the conduit causes the expulsion of substantially equal volumes of the gaseous medium through successive equal lengths of the slit or through successive lateral openings in the conduit. The Specification contains expressions for the sizes of the holes, or the width of the slit, and gives a numerical example for a pipe one inch in diameter with fifty holes adapted to eliminate a fundamental frequency of sixty cycles per second in an engine running at 1800 revolutions per minute. The conduit may be of uniform diameter throughout with the perforations or slit increasing in area towards the outlet end, or the conduit may decrease in area towards the outlet end with perforations or slit of uniform area throughout. The conduit 10, as shown in Fig. 1, may be in the form of a helix, the perforations being shown at 11. It is supported by brackets 15 within a casing 13 into which the outlet pipe 14 projects some distance. In a modification, the conduit is of flat spiral form in a box-like casing ; it decreases in cross section towards the outlet and has a number of holes of uniform diameter spaced equally throughout its length.
Patent GB-1279298-A (GB)
Title: Improvements in seismic exploration
IPC: G01V1/38
Filed: 1969-06-24
Abstract: 1279298 Seismic exploration SOC NATIONALE DES PETROLES D'AQUITAINE 24 June 1969 [27 June 1968] 31859/69 Heading H4D In a seismic exploration system a source emitting a continuous succession of long signals is moved along a traverse in a continuous manner whilst it is accompanied at a constant distance by at least one detector whose output is continuously recorded, and a "window" of the emitted signal is cross-correlated with a corresponding window of the recorded signal to determine the associated reflection region on a subsurface horizon. The invention is applicable to marine exploration where a source and detector streamer are towed by a ship. Each long signal has a duration T at least equal to the time 0 for seismic energy to reach and return from the deepest horizon of interest, and may comprise a variable-frequency oscillatory signal, a train of impulses with an amplitude envelope of variable frequency, or a train of randomly-spaced impulses of constant amplitude. In the Fig. 5 example, a long signal E1 is emitted as the source moves from E1i to E1f, whereby segment S1 of reflecting horizon R is scanned and returns energy to a detector moving from R<SP>1</SP>li to R1f. The cross-correlation of E1 (duration T) with a reflection signal window of width T + # delineates the centre point Il of segment S1. Similarly the correlation of the next long signal E11 with an adjacent reflection signal window of width T+# delineates I2. Providing the successive long signals are identical, or comprise the trains of randomly-spaced impulses, any emission signal window of width T will have the same auto-correlation function: hence an intermediate emission window Eα can be correlated with the corresponding reflection signal window of width T + # to delineate an intermediate reflection point Iα. In the Fig. 3 example the centre point I of a segment S scanned by four successive long emission signals E1 to E4 each of duration T1 is delineated either (a) by correlating E1 with its corresponding reflection signal window (as in Fig. 5) to delineate I<SP>1</SP>l, repeating this for E2, E3, E4 to delineate I<SP>1</SP>2, I<SP>1</SP>3, I<SP>1</SP>4 and then stacking the correlation results, or (b) by correlating an emission signal window of width 4T1 (covering E1 to E4) with the corresponding reflection signal window. The signal processing equipment may be digital and the processing may include additional filtering and deconvolution.
Patent GB-1276368-A (GB)
Title: Electronic controller circuit
IPC: G05B7/02
Filed: 1969-06-24
Abstract: 1276368 Automatic control of flow MONSANTO CO 24 June 1969 [25 June 1968] 31922/69 Heading G3R [Also in Division H3] A process variable, e.g. fluid-flow, is controlled by a circuit which includes an integrator to the input 36 of which may selectively be connected a manually or otherwise operated generator 17 of a selected number of pulses of chosen polarity. Normally, the process variable signal P.V. is compared with a reference S.P. in a differential amplifier 12, the output of which is connected to a meter 24 and through an R-C network 30 and switch 28 to the input 36 of a second amplifier which operates as an integrator due to the feedback loops shown. The output 40 is connected to a voltage to current transducing amplifier 16 to control e.g. a valve 58. 64 is a further meter. The system may be adjusted to provide proportional, integral or differential control, or any combination thereof. For manual control, switches 28 and 94 are changed over to connect pulse generator 17; this comprises an impulse wheel 72 connected to a one-shot multivibrator which produces pulses of constant height-width product of alternate polarity, those of required polarity being selected at 70 according to the direction of rotation of the impulse wheel, as detected by a friction driven contact 90. The complete pulse generator 17 comprises transistor circuits which are described Fig.3 (not shown). The output of the integrator is limited by a Zener diode 98 and capacitors 96 and 50 ensure smooth engagement and disengagement of the automatic system. The pulse generator may alternatively be operated by a pulse train from a digital computer.
Patent GB-1195396-A (GB)
Title: Interprocessing Multicomputer Systems
Inventor: ARANYI STEVEN FRANK
IPC: G05B19/414
Filed: 1967-07-11
Abstract: 1,195,396. Multi arocessor systems. GENERAL ELECTRIC CO. 11 July, 1967 [27 July, 1966], No. 31959/67. Heading G4A. An inter-connected computer system comprising a plurality of computer sub-systems each with a plurality of data processors, a plurality of data storage members and a central controller also includes an inter-system transfer circuits and temporary storage means for providing intercommunication between the subs-systems. As shown (Fig. 1) a first sub-system which may be as described in Specification 1,170,586 comprises processors 301, 10<SP>1</SP> and 11<SP>1</SP> memories 20<SP>1</SP>-25<SP>1</SP>, a central controller 32<SP>1</SP> and a central interrupt scheduler 34<SP>1</SP>. A second sub-system similar elements 11<SP>11</SP>-34<SP>11</SP>. The inter-system coupling coupling apparatus or exchange box 700, which is provided in two parts 701 and 702 for communications originating from opposite directions, is connected to the respective central controllers by means of buses similar to those connecting the controllers 32 to the processors and memories. The exchange boxes thus convert between memory type signals and processor type signals. A processor requiring communication with a memory supplies signals representing the operation involved (e.g. single/double word read/write) and also the address in symbolic form (i.e. specifying programme, block and storage cell numbers). The controller linked thereto examines the symbolic address to check if it relates to data stored in an associated memory. If not, the signals are transmitted unchanged through an exchange box 701 or 702 to the other controller 32 which examines the symbolic address and establishes a communication link with the relevant memory associated therewith. Data is transmitted between the original processor and the memory by way of the temporary (two word) storage in the box 701 or 702, the two stages of transmission being effected asynchronously with respect to each other and the box 701 or 702 issuing notification signals as words are received for temporary storage. The words comprise 24 bits each and the buses connected to controllers 32 comprise from 77 to 84 leads.
Patent GB-824162-A (GB)
Title: Improvements in or relating to the preparation of appendages in the manufacture of ceramic ware
Inventor: JOHNSON JOHN ARTHUR
IPC: B28B3/02
Filed: 1954-11-08
Abstract: 824,162. Moulding ceramic ware. SERVICE (ENGINEERS) Ltd. Feb. 2, 1956 [Nov. 8, 1954], No. 32206/54. Class 87(2). An appendage for ceramic ware, e.g. a handle for a cup, is moulded between dies 20, 22 which are fixed by clamps 26 to arms 10, 12, the arms being pivoted about an axis 16 so positioned that when the upper die 22 is swung upwardly, it does not destroy the moulded curved surface of the handle which is to engage the cup. The dies may be heated electrically by cartridges 30. Narrow ridges are provided around the die centres, to limit the extent to which the dies close.
Patent GB-944484-A (GB)
Title: Improvements in or relating to tedders
IPC: A01D78/02
Filed: 1961-11-22
Abstract: The subject matter of this Specification is contained in Specification 944,481 but the claims differ.  Specifications 944,483, 944,485, 944,486 and 944,487 also are referred to.
Patent GB-1113937-A (GB)
Title: Improvements in or relating to winding machines
IPC: B65H54/50
Filed: 1965-07-29
Abstract: A drive drum for a winding machine producing conical packages has the surface of the drum cut away at least towards the end of the drum adjacent the smaller end of the package and is provided there merely with linear support surfaces for the package being wound.  The drum may also have grooves in its surface to traverse the yarn, the support surfaces being either the raised edges of the grooves or positioned between the grooves.  At one of the reversal points the support surface may include a ring extending around the drum.