baber/WOPTO huggingface dataset:
Patent GB-1436895-A (GB)
Title: Method of preparing reactive high molecular organic substances
IPC: C08J7/12
Filed: 1973-05-16
Abstract: 1436895 Preparing reactive high molecular weight substances SHINETSU CHEMICAL CO TEKKOSHA CO Ltd and T KAGIYA 16 May 1973 [17 May 1972] 23403/73 Heading C3P Reactive high molecular weight organic substances are prepared by irradicating with ultraviolet light a high molecular weight organic substance, having hydrogen atoms bonded to carbon atoms in its main chain, in the substantial absence of oxygen and in the presence of (a) at least one carbonyl compound of the formula wherein R and R<SP>1</SP> individually represent H, halogen, or a saturated or unsaturated, monovalent hydrocarbon or acyl group, or a halogensubstituted derivative thereof, having up to 10 carbon atoms, with the provisio that only one of R and R<SP>1</SP> may be acyl, or R and R<SP>1</SP> together represent a halogen-substituted or unsubstituted divalent hydrocarbon group having up to 10 carbon atoms, which group together with the carbonyl carbon atom forms a cyclic structure, and (b) at least one unsaturated organic compound having at least one triple carbon-carbon bond or at least 2 double carboncarbon bonds in the molecule. Organic substances which may be treated according to the invention are suitably addition polymers having no chemically reactive groups, e.g. polyethylene, polypropylene, polybutylene, polystyrene, chlorinated polyethylene and polyvinyl chloride. The substance may be in the form of a powder, moulding, film or fibre. Compound (a) is an aliphatic, cycloaliphatic or aromatic mono- or di-ketone, aldehyde or acylhalide ; several examples of these are listed. Compound (b) may be an acetylenic compound such as acetylene, methylacetylene, ethylacetylene, isopropenylacetylene, propargyl alcohol, propiolic acid and esters thereof, vinyl acetylene, 2- methyl - but - 1 - ene - 3 - yne, hex - 1 - ene - 5- yne, propargyl methacrylate, 1,5-hexadiyne and dipropargyl maleate; or a polyolefinic compound such as allene, methylallene, butadiene and 1,4-pentadiene. The treated high molecular weight substances contain carbonyl groups and unsaturated groups in the molecule and are chemically reactive. Thus they can be modified so as to provide them with such properties as flame retardancy, resistance to electrostatic charge, and dyeability. The treated substances are also easily degraded when exposed to ultraviolet light in the presence of oxygen (including simple exposure in the open air).
Patent GB-1387493-A (GB)
Title: Winches
Inventor: MCKENNA H A
IPC: B66D1/74
Filed: 1972-05-18
Abstract: 1387493 Traction winches OCEAN SYSTEMS Inc 18 May 1972 [19 May 1971] 23406/72 Heading B8B A power operated traction winch system comprises two parallel drums 10, 12 each provided with peripheral grooves 24 axially offset from the grooves of the other, a traction rope R looped around the drums, a driven roller 44 which is biased against the slack end of the rope R from the two drums so that a predetermined back tension is established on the rope at that end permitting substantially tension free storage of the rope downstream therefrom. Each drum is driven by an hydraulic motor M coupled in parallel in a common hydraulic circuit, and each motor is suspended from its corresponding drum shaft 26 and has an arm 34 extending from its casing 32 forming the motor stator, the arm 34 engaging a load cell 36 to register the reaction torque of the motor and hence indicate the tension being applied to the rope by that drum. A brake 38 is associated with each motor M so that the load cells register the rope tension even when the drums are not being driven. The roller 44 powered by a motor 58, is mounted in a frame 40, 46 pivoted at 48 to the supporting structure 16 for the drums 10, 12, and is pivoted by an hydraulic ram 52 into pressing contact with the rope R in its last groove in the drum 12 whereafter the slack rope is coiled for storage. In the embodiment of Fig. 5 (not shown), the back tension is applied to the rope after it has left the two drums, the back tension device comprising a pair of rollers hydraulically biased together and one or both being driven.
Patent GB-1539089-A (GB)
Title: Passenger access corridors for vehicles
IPC: B61D17/22
Filed: 1976-07-07
Abstract: A gangway protection at the end of a vehicle, in particular a rail vehicle, is constructed in such a way that it is released automatically from a second gangway protection on the facing end side of an adjacent vehicle when the wagons are separated from one another. Within the outer intercommunicating bellows (8) whose outline corresponds to the profile of the wagon, a second intercommunicating bellows (1) formed from beads (2) is arranged, the said intercommunicating bellows (1) bounding the passage for passengers and its inner wall forming in each operating position and essentially plane surface. For this purpose, the inner wall of each bead (2) which consists of rubber elastic material is formed from two strips (3) which are directed towards one another, overlap one another and can be pushed one over the other. The end face of the gangway protection is formed by the end frames (7,4) assigned to the two bellows (8, 1) and their connecting webs (6, 6a) on which the elements for the self-release function are arranged and specifically advantageously closer to the second bellows (1). <IMAGE>
Patent GB-336693-A (GB)
Title: Improvements in, or relating to, hangers or pedestals for coats and other garments
IPC: A47G25/18
Filed: 1929-07-30
Abstract: 336,693. Stewart, T. D. July 30, 1929. Garment hangers and racks.-A garment rack consists of two or more arcuate hangers a fixed to a flexible or rigid vertical supporting member c which may be suspended by a hook f or provided with a supporting base to form a pedestal. The member c may be telescopic or formed of two or more detachably connected parts.
Patent GB-1370772-A (GB)
Title: Occupant restraint system
IPC: B60R21/261
Filed: 1973-05-17
Abstract: 1370772 Crash restraint devices GENERAL MOTORS CORP 17 May 1973 [19 May 1972] 23542/73 Heading B7B A crash restraint system includes an inflator 10 which supplies a diffuser 14 carrying an inflatable bag (not shown) through a manifold 12 secured to both the inflator 10 and diffuser. A neck 30 of the inflator is internally threaded to receive a bush 36 screwed to a cap 50 having radial ports 53. A stud 58 engaging a nut 74 secures the manifold 12 to the inflator 10. A diaphragm 46, rupturable by detonators 48 fired by a collision sensor, seals the inflator 10. Fluid stored under pressure in the inflator may be augmented by combustion products produced by firing a pyrotechnic device (not shown).
Patent GB-1379657-A (GB)
Title: Phase correcting circuits for diversity reception
IPC: H04B7/02
Filed: 1972-05-19
Abstract: 1379657 Radio receiving systems MARCONI CO Ltd 28 Feb 1973 [19 May 1972] 23550/72 Heading H4L A known phase-correcting arrangement for diversity signal combining is modified to take into account the noise on a diversity channel. As shown in Fig. 3, a diversity signal is supplied to balanced mixers 13, 14, mixer 14 receiving as its second input the difference output of mixer 13 via a narrow bandpass filter 15, components 18, 19 being omitted in the known arrangement. The output of mixer 14 is supplied via a filter 16 passing all the input information signals to a summing network where it is combined with the other diversity signals to provide an output 10. Mixer 13 receives its other input from the combined output signal and this ensures that all the diversity signals are in phase when combined. The overall characteristic of the phase-correcting circuit may be made to approximate to a square law to provide ratio square combining. In the modified arrangement an amplifier 18 receives the output of filter 15 and saturates for all normal signal levels, or is provided with A.G.C. to produce a level output, this output being supplied via a voltage-controlled attenuator 19 to the mixer 14. The control voltage applied at 20 is dependent on the noise in the diversity channel so that if the signal to noise ratio of one channel is worse than that of the others its contribution to the output signal will be decreased. Fig. 4 shows an arrangement for combining two diversity signals applied at 1 and 2 respectively, using phase correctors 6, 9 of the type described. The diversity signals are supplied to the phase correctors via attenuators 5, 8 controlled by A.G.C. developed at 11, 12 from the common output circuit in known manner. The output of attenuator 5 is also supplied to a gain-controlled amplifier 23 providing a level output to a discriminator 22 which provides a baseband signal from the frequency-modulated input. A noise slot just above the normal traffic band is filtered, amplified and detected at 21 to provide a D.C. voltage representing channel noise, these voltages being compared, as represented by dashed line 27, Fig. 5 (not shown), to produce a common reference voltage for application to terminals 20. Circuits 24, 25, 26 operate similarly for the other diversity channel.
Patent GB-701974-A (GB)
Title: A folding carton
IPC: B65D5/10
Filed: 1950-09-26
Abstract: 701,974. Cartons. BREHMER FOLDING BOX CO., Ltd., and THOMPSON, H. H. Aug. 28, 1951 [Sept. 25, 1950], No. 23615/50. Class 18 The end closing flaps of a tubular carton are held closed by tucking between them an extension of one of them. The flap 2A is folded in first. then the flaps 1A, 3A ; the extension 2B is folded over the flap 3A, and the flap 4A folded down and its extension 4B tucked between the flaps 1A and 2A. The flaps 1A, 3A may be one half or less the width of the carton.
Patent GB-810011-A (GB)
Title: Improvements in furnaces for heat treatment
Inventor: BAKER WILLIAM ALBERT
IPC: C21D1/74
Filed: 1956-07-31
Abstract: 810,011. Metal-heating furnaces. BRITISH NON-FERROUS METALS RESEARCH ASSOCIATION. July 12, 1957 [July 31, 1956], No. 23657/56. Class 51 (2). The conventional baffle plates 6, 6<SP>1</SP>, Fig. 1, 2, of a furnace for the heat treatment of copper tubes &c. have cover sheets 7, 7<SP>1</SP> attached thereto, which lie along a tube 1 either in the direction of travel or against it in order to restrict the escape of furnace gases and to direct the controlled atmosphere of the furnace into the desired path around and through the metal tube. Fabric curtains 5, 5<SP>1</SP> are also provided or baffle plates with cover sheets may be hinged to the walls of the flue remote from the hot chamber 2. The end of the cover sheet is turned up at 9 to prevent jamming of the entering tubes. Gases which by-pass the flues 4, 41 may be drawn off by exhausts 8, 8<SP>1</SP>.
Patent GB-1206372-A (GB)
Title: A footstep ball bearing
IPC: G01R11/12
Filed: 1968-05-17
Abstract: 1,206,372. Bearings. SIEMENS A.G. 17 May, 1968 [16 June, 1967; 16 Nov., 1967], No. 23727/68. Heading F2A. A footstep ball bearing has a ball 2 disposed between two bearing bushes, one of which, 3, has a concave bearing surface having a radius of curvature greater than that of the ball, and the other 44 having a pyramidal bearing surface. The bushes are of plastics material, and the pyramidal surface is triangular.
Patent GB-641406-A (GB)
Title: Dry rectifier valve plate
IPC: H01L23/48
Filed: 1948-09-10
Abstract: 641,406. Dry-contact rectifiers. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Sept. 10, 1948, No. 23812. Convention date, Sept. 20, 1947. [Class 37] In contact with surface of a layer of semiconducting material 2, e.g. selenium on the metal base-plate 1 of a rectifier is a counterelectrode 5 and a layer 3 of insulating material, e.g. paper or a synthetic material. A metal plate 4 overlies at least part of the paper 3 and is conductively and solidly secured to the counterelectrode 5; and a metal current -absorber 6 bears under pressure against that part of the plate 4 overlying the insulating layer 3, the plate 4 being a metal or alloy of greater mechanical strength than the counter-electrode 5, especially at high temperatures. The plate 4 is a foil of tin or silver or an alloy of these and may be applied by atomization. The plate 4 either covers or is covered by the periphery of the counter-electrode 5.
Patent GB-1349009-A (GB)
Title: Control systems for automatic machine tools
IPC: G05B19/416
Filed: 1971-04-19
Abstract: 1349009 Programmed control of machine tools GENERAL ELECTRIC CO 19 April 1971 [17 March 1970] 23842/71 Heading G3N A numerical control system for a machine tool comprises a function generator 22 which receives X and Y co-ordinate data from an input unit 15 and provides axis command pulse trains F x  F y  for conventional closed loop servomotor resolver positioning systems 28, 30, 32, 37 and 29, 40, 42, 47, and a feedrate control circuit 10 which receives from a generator 14 a pulse train F p  representative of a velocity command signal, together with the pulse trains F x  F y , and which provides an output signal to modify the action of the generator 22 so that the pulse trains F x  F y  are adjusted to maintain the commanded feedrate in conformity with that set by the pulse train F p . As shown in Fig. 3, the pulse trains F x . F, F p  are applied to storage registers 64, 65, 66 which feed a squares summing register 70 through an adder 70A, the arrangement being such that each time a pulse is received by the register 66 or either of the registers 64, 65, the contents of the register are respectively added or subtracted to the register 70 in such a way that the summation of the addition or subtraction corresponds to the square of the number accumulated in the issuing register. Thus a zero difference in the register 70 indicates an equality of the programmed velocity F p  along the diagonal or hypotenuse of movement with the commanded velocity as determined by the pulse trains F x  F y . A negative difference indicates a commanded velocity greater than the programmed velocity, in which case the system remains inactive until the programmed velocity has caught up with and exceeded the commanded velocity. This condition produces a positive difference in the register 70 which sets a flip-flop 75A to transmit a pulse to the function generator 22, which emits an F x  or F y  pulse to restore the abovementioned equality of programmed and commanded velocities. The design of the adder 70A, which may comprise a single binary adder with appropriate timing circuits, is discussed with reference to the basic function of ensuring equality between the square of the programmed velocity signal F p  and the sum of the squares of the signals F x  F y . In a modification of the control circuit 10, Fig. 4 (not shown) error pulses from the register 70 are compared with the output of the generator 14 in a difference register, which passes a pulse to the function generator 22 when the programmed velocity exceeds the commanded velocity. The register 66 receives only the error pulses from register 70 and registers 64, 65 are supplied through scale control circuits which determine the multiplier for the F x  and F y  pulses according to whether the number in the difference register and the programmed velocity are above or below predetermined levels.
Patent GB-597440-A (GB)
Title: Improvements in or relating to electrolytic cells
IPC: F16J15/46
Filed: 1945-09-17
Abstract: 597,440. Liquid electrode apparatus. CARTER, C., RAVENSCROFT, A. W., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Sept. 17, 1945, No. 23943. [Class 41] A cell, particularly for the electrolysis of brine, comprises a flat-topped base 1, without upwardly projecting side walls, supporting a flowing layer 2 of liquid such as mercury constituting an electrode, and a skirted cover 4 enclosing and supporting solid electrodes 5 which may be of graphite ; a liquid-tight seal is provided between the skirt 8 and the periphery of the base and means are provided for adjusting the height of the cover relative to the base. In the apparatus shown, the seal consists of an inflatable rubber tube 15 of triangular section housed between bevels on the plate 1 and keeper strips 20 and secured by means of an inward fin 19 on the tube ; cold water under pressure may be circulated through the tube. Adjustment is effected by means of pillar bolts 11 mounted in lugs 9 on the cover and engaging stands 10. The cover and skirt are lined with insulating material such as asbestos. The electrodes 5 wholly fill the upper space of the cell. The supporting tubes 6a are sealed by a sealing composition 7. Gaps are provided between adjacent electrode blocks 5 for the removal of gas which escapes by the tubes 6a. In modifications, the electrodes 5 do not wholly fill the upper space of the cell ; the intervening spaces may, if desired, be filled with resilient material such as sponge rubber coated with neoprene to prevent longitudinal flow of electrolyte above the inter-electrode space. The electrode supports may consist of solid carbon rods sealed by a rubber ring. In this case, a separate gas vent is provided. Specifications 597,387, 597,388, 597,389 and 597,441 are referred to.
Patent GB-1365993-A (GB)
Title: Mounting of wind deflectors in vehicles
IPC: B60J7/22
Filed: 1972-05-22
Abstract: 1365993 Wind deflectors W BAIER W BAIER L SCHOBER and E SCHLUMPRECHT 22 May 1972 [30 July 1971] 23962/72 Heading B7J A pivotable vehicle wind deflector 10 held by lugs 11 is fastened to a shaft 9 carried in bearing supports provided with bearings 2, 3, and having retaining elements 5, 6, 7 and 8 mounted fast in the front gutter 1 of a gutter surrounding a closable opening in the vehicle roof (not shown), the elements 7, 8 being provided at their ends with resilient buffers 12 abutting a vertical wall 14 of the gutter and a canopy 13 and the elements 5, 6, having vertical portions 17 abutting a vertical wall 15 of the gutter 1, the portions 17 being prevented from moving vertically by a clamping member in the form of a cover bar 16, overlapping the free edge of the wall 15 of the gutter 1, and the portions 17.
Patent GB-1467634-A (GB)
Title: Road vehicle electrical systems
IPC: G05F1/56
Filed: 1973-05-19
Abstract: 1467634 Automatic voltage control LUCAS ELECTRICAL Ltd 19 March 1974 [19 May 1973]  23963/73 Heading G3R A motor vehicle includes a generator charging a battery and controlled by a main voltage regulator. A further voltage regulator is associated with a tungsten-halogen lamp and connected across the vehicle battery. The vehicle system shown in Fig. 1 includes a generator 11 charging a battery 12 under the control of a voltage regulator 13 which determines the current in the generator field winding 14. The battery is connected across an ignition switch 15 and loads 16, and also across a lighting switch 17 in series with the parallel combination of tungstenhalogen head-lamps 18, 19 each with an associated regulator 21, 22 for maintaining the mean square voltage across each lamp within a desired range. Each of the regulators 21, 22 may be of the form shown in Fig. 2, in which the voltage across the lamp 18 is sensed by a voltage divider 44, 45 and compared with a Zener diode voltage 26 in a differential amplifier 27, 29, the output of which controls transistors 39, 43. A positive feedback line 33, 34 ensures rapid switching of the transistors between on and off states. When transistor 43, which is in series with the lamp 18, is off, lamp current flows only through a series resistor 46. Switching of the transistors 39, 43 is inhibited for a pre-set delay time when the lamp 18 is first switched on, to allow time for the lamp to warm up. The delay is set by the charging time of a capacitor 37.
Patent GB-1155673-A (GB)
Title: Crossed-Field Reentrant Stream Tandem Slow-Wave Circuit Tube
Inventor: FARNEY GEORGE KENNETH
IPC: H01J25/46
Filed: 1967-05-23
Abstract: 1,155,673. Travelling-wave tubes. S-F-D LABORATORIES Inc. 23 May, 1967 [13 June, 1966], No. 23977/67. Heading H1D. A crossed field reentrant-stream discharge tube having a coaxial cathode and anode and an axial magnetic field for producing circulation of the electron stream round the cathode in a predetermined direction, includes a pair of backward-wave slow-wave structures 18, 19 extending in series circumferentially around the cathode for interaction between the electron stream and wave energy on the slow-wave structures propagating counter to the predetermined direction, one of the slow-wave structures 18 serving to bunch the stream with signal energy to be amplified from driver tube 11, and having its downstream end 8 disposed sufficiently close to the upstream end 9 of the other slowwave structure 19, which constitutes the output circuit for the bunched stream to excite the latter. The arrangement effectively isolates the buncher section from energy reflected from the load 13, which energy is absorbed by a non- reflective load 24 provided at the downstream end 23 of the output section. The drift space 22 corresponding to the sever 21 between output and buncher sections is less than 3 times, and preferably of the order of, a space charge wavelength, while the drift space 27 corresponding to the sever 25 between the two sections may either be long enough to permit the beam effectively to debunch, or may be as short as drift space 22 (Fig. 8, not shown), such that positive feedback is provided to give a narrow band tube which may be provided with a fixed anode-to-cathode voltage and controlled by a control electrode which is pulsed positive, to collect the electron stream and prevent further operation, upon the cessation of the input signal pulse from the driver tube. The buncher section is itself provided with a non-reflective load 28 at its upstream end 26. In a modified tube (Fig. 9, not shown), the cathode is split into two insulated sectors co-extensive with the buncher and the output sections, respectively, permitting operation at increased efficiency by the application of different potentials to the two sectors, and the use of the sector corresponding to the buncher as a control electrode for turning off the tube. Use of the tube as an oscillator, by feeding a fraction of the output through a directional power splitter and variable phase shifter to the buncher section (Fig. 12, not shown), and an amplifier formed by a chain of tubes having their buncher sections connected in series (Fig. 13, not shown) or in parallel to the driver tube (Fig. 14, not shown) are described.
Patent GB-302263-A (GB)
Title: Improvements in and relating to recording mechanism for measuring instruments
IPC: G01R13/00
Filed: 1927-09-13
Abstract: 302,263. Gell, J. Sept. 13, 1927. Recording by coordinates.- In a recording galvanometer or other instrument wherein the indicating pointer serves as a recording element by its periodic depression on to a recording thread arranged parallel to the axis of a recording drum a construction of striker bar is describer for effecting the depression and for completing one or other of a pair of electric circuits controlling the operation of other mechanism. As shown in Figs. 1 and 2, a U. shaped frame with an arcuate scale member c and side members b is pivoted on a shaft a and carries a cross-bar d of insulating material to which is pivoted pairs of arms e, f supporting striker bars r, s, such mounting preventing tilting of the bars. To the bar d are secured arms g, h having contact screws i, j arranged above the striker bars r, s, the arms and bars being electrically connected through contacts k, l, and m to a battery (not shown). The moving coil or member p of the instrument carries the pointer o co-operating with the scale c and is arranged above a recording thread parallel with the axis of the recording drum w. The shaft a is adapted to be rocked periodically, firstly to cause the striker bar r or s to depress the pointer and thread on to the record surface to produce a mark thereon and finally to cause the striker bar to meet the contact i and j to complete the appropriate circuit to effect the control. In order that the pointer may have some play on either side of the central zero, without affecting either circuit, a slight clearance is left between the striker bars r, s, depression of the needle in this position to produce a mark is effected by a fixed striker bar n attached to the centre of the scale member c.