baber/WOPTO huggingface dataset:
Patent GB-942604-A (GB)
Title: Process for the production of organo-aluminium compounds
IPC: C07F5/06
Filed: 1961-08-02
Abstract: The invention comprises organo-aluminum compounds containing alkyl-substituted cyclopentyl methyl groups of the neopentyl type. The may be prepared by treating 2,5-alkyl-substituted hexadienes with a compound containing an aluminium hydrogen bond or a substance which yields such a compound in the presence of heat, said treatment being affected in an inert atmmosphere.  The reaction may be represented as follows (using 2,5-dimethyl hexadiene-1,5): <FORM:0942604/C2/1>  The reaction may be carried out as shown with aluminium hydride, o with an alkyl aluminium hydride or a trialkyl aluminium: in the latter cases on olefin is set free. Displacement reaction catalysts e.g. finely divided nickel, may be present.ALSO:Alkyl substituted cyclopentanes (e.g. 1-dimethyl-3-methyl cyclopentane, 1-dimethyl-3-ethyl cyclopentane and 1-ethyl-1,3-dimethyl cyclopentane) may be obtained by hydrolysis of organo aluminium compounds containing alkyl-substituted cyclopentyl methyl groups of the neopentyl type.
Patent GB-685401-A (GB)
Title: Process for improving the storage capacity of batteries consisting of bipolar cells
IPC: H01M50/10
Filed: 1950-11-16
Abstract: 685,401. Batteries. PERTRIX UNION GES. Nov. 16, 1950 [Nov. 16, 1949], No. 28092/50. Class 53. A battery of bipolar cells is given an insulating coating while in a vacuum. The coating material which may be paraffin wax is contained in a receptacle b which can be heated. Within the receptacle is a vessel v which can be closed hermetically by a lid d. The cells l to be coated are placed in the vessel v from which the air is exhausted through a pipe r. A pipe z is then opened to allow paraffin to enter the vessel and cover the batteries, after which the vessel is removed from the receptacle b and the wax drawn off through the pipe z. After the wax has cooled and hardened on the batteries the lid d is opened and the batteries removed.
Patent GB-1047629-A (GB)
Title: Machine tool control system
IPC: G05B19/18
Filed: 1963-07-16
Abstract: 1,047,629. Programmed control of machine tools. GENERAL ELECTRIC CO. July 16, 1963 [July 31, 1962], No. 28182/63. Heading G3N. In a numerical contouring control system for a lathe 200, a carriage 206 is positioned by a leadscrew 201 and a cross feed screw 202, representative of X and Y movements respectively, driven by servos 10, 11. Positional feedback is derived from resolvers 12, 13 connected to phase discriminators 14, 15. Digitally coded command instructions from magnetic or punched tape, or punched cards are read by input data equipment 20. Clock pulses from a generator 21 are fed to X and Y axis phase counters 28, 29, also fed through a pulse divider 22 as reference pulses to the resolvers 12,13 and, further, fed to a manual feed rate override 23, which enables an operator to vary the pulse rate and hence control the carriage speed. The manual feed rate pulses are fed through a switch 2 to a velocity command 24 which varies the pulse rate in dependence on commands from the equipment 20. The velocity command output pulses are fed through a switch 3 to a function generator 25 which resolves the received pulses into X and Y components which are fed through X and Y axis distance counters 27, receiving command signals from equipment 20, to the command pulse phase counters 28, 29 so determining the control signals fed to the phase discriminators 12, 13. A spindle encoder 203 is driven by the lathe spindle and produces, through a thread control 30, pulses at a rate proportional to the speed of rotation of the work. A thread sychronizer 31 provides a signal representative of a particular angular position of the work which permits a tool to be precisely positioned with respect to the work for following or retracing a previously cut thread. When a thread is to be cut the switch 2 is actuated to decouple the velocity command 24 from the manual feedrate override 23 and couple it to a switch 1. Similarly the switch 3 is actuated to decouple the function generator 25 from the velocity command 24 and couple it to the switch 1. A switch 4 is only actuated when variable lead or tapered threads are to be cut. The switch 1 is closed by the synchronizer 31 when the work is in the proper rotational position and the thread control 30 provides pulses to control the function generator 25 and, for non-linear threads, the velocity command 24.
Patent GB-601280-A (GB)
Title: Improvements in wireless aerial systems
IPC: H01Q13/02
Filed: 1945-10-25
Abstract: 601,280. Wave-guides. WILD, E., and WRIGHT, C. S. Oct. 25, 1945, No. 28248. [Class 40 (vii)] A wave-guide horn is fitted at its interior with a compensating reactive element for the correction of impedance mismatching due to reflection from the horn mouth. In the form shown in Figs. 5 and 6, the reactive element comprises a bowed metal strip 6 having its centre of curvature at the throat of the horn, in combination with a pair of strips 7 arranged nearer the throat and in contact with the sides of the horn. For a narrow horn in which only one pair of sides are flared outwardly, the strips 7 may be omitted (Figs. 1, 2, not shown), or the strip 6 may be omitted, in which case the strips 7 are placed along the longer sides of the horn (Figs. 3 and 4, not shown).
Patent GB-191850-A (GB)
Title: Improvements in commutators or distributors for ignition systems of internal combustion engines
IPC: F02P7/00
Filed: 1922-06-08
Abstract: 191,850. Brindle, P. June 8, 1922. Rotary distributors.-In rotary distributors the fixed contacts D<1> - - D<4> are arranged in one face of an annular ring of insulating material C, which is carried by an outer metal casing A with a peripheral flange B. Between the contacts D<1> - - D<4> are disposed dead segments E to form a substantially continuous metallic tracks or raceway. The contacts D<1> - - D<4> are respectively connected to terminals d<1> - - d<4> projecting from the rim B of the casing A by rods b passing obliquely through the rim B and the insulating ring C, two of the rods also passing through dead segments E. Each rod b is surrounded by an insulating tube b<1>. The rotating spring-pressed bush f is carried by an arm F secured to the distributor shaft H, which projects through a control hole a in the casing A, thereby preventing access of oil from the engine to the distributor. A removable cover G is provided, and a timing arm H<1> is attached to the casing A.
Patent GB-489908-A (GB)
Title: Improvements in or relating to automatic control apparatus for vehicles, in particular aircraft
IPC: B64C13/00
Filed: 1937-10-18
Abstract: 489,908. Fluid-presssure servomotorcontrol systems ; positive clutches. SHEVLIN, J. T. (Siemens Apparate und Maschinen Ges.) Oct. 18, 1937, No. 28312. [Class 135] [Also in Group XXIV] A disconnectible coupling device for use in connection with automatic control apparatus for vehicles particularly aircraft, comprises two main levers, preferably turning about a common axis connected respectively to a controlling servomotor and a part, such as a rudder or aerofoil and a latching pawl which serves to interconnect the two levers. In the form shown in Fig. 1, the lever 1 is secured to a boss 2 mounted on a shaft 3 actuated by the servomotor while the lever 4 consisting of two spaced plates is loosely mounted on the boss and is connected by a link 6 with the part to be operated. The levers are normally coupled together by a pivoted pawl 10 carried by the lever 4 and provided with a tapered tooth engaging a corresponding recess in the lever 1. One pivot of the pawl carries a releasing lever 16 operated by a Bowden wire 18 and fitted with a spring-pressed bolt 21 having a tapered end co-operating with a roller 19 mounted in a fixed part 20 to give a snap action. To facilitate coupling, the lever 1 is formed with indicating projections 25, 26 or a window may be provided. In the form shown in Fig. 3, the locking pawl is provided with two teeth and is released by lever-cam device 30a mounted on the end of the lever 16. This device is pressed by a spring 29 into contact with a roller 32 carried by a fixed pin when a pivoted release catch is operated by the Bowden wire 18. In a further modification, one of the levers is formed in two parts adjustably secured together and both levers are arranged to turn on fixed pivots. The releasing lever is coupled by a link to a crank arm on a shaft adapted to be rotated by a pulley and Bowden wire. A spring catch co-operates with the pulley to prevent accidental movement, which action is assisted by a recess in a spring-loaded lever engaging a roller on the releasing lever. A locking device is fitted to prevent the pawl being moved to the engaged position until such time as the levers are moved to the relative position in which such engagement can be effected. The locking pawl may be released mechanically, electrically or pneumatically.
Patent GB-799513-A (GB)
Title: Loading coil assembly
Inventor: HALLETT LEONARD WALTER
IPC: H02G15/12
Filed: 1955-10-05
Abstract: 799,513. Inductors. STANDARD TELEPHONES & CABLES, Ltd. Oct. 5, 1956 [Oct. 5, 1955], No. 28331/55. Class 38 (2). [Also in Group XXXVI] In a coil loaded, lead sheathed, multiconductor telecommunication cable, loading coils are arranged in stacks 10, 11, each surrounded by an insulating tube and encased in a lead casing 1 sealed by wiped joints 6, 7. The coils are of. unicoil construction, i.e. are individually sealed in metal cannisters. Each insulating tube is formed from two semi-cylindrical portions which are clamped about their stack of coils so as to trap leads from the coils and so maintain the coils orientated in positions which minimize crosstalk.
Patent GB-1237437-A (GB)
Title: Method and apparatus for the continuously advancing renewal of railroad track
IPC: E01B29/05
Filed: 1968-06-14
Abstract: 1,237,437. Relaying railway track. F. PLASSER. 14 June, 1968 [29 June, 1967], No. 28333/ 68. Heading E1G. In relaying railway track, an advancing series of vehicles for continuously laying new and end-connected (e.g. welded) rails 10 on to new sleepers, and simultaneously picking up the old end-connected rails 11 from the old sleepers, comprises a front train running on the old track and carrying the new rail lengths and the old sleepers, followed by road vehicles 18-16-21-25-29 running on the rail-free ballast and a rear train running on the new track and carrying the new sleepers and the old rail lengths, various rail and road vehicles being provided with offset guide rollers 19 whereby the joined-together new rails 10 and joined-together old rails 11 are spread apart and guided outside the vehicle and sleeper width to cross in the region of the road vehicles. The front train, Fig. 1 (not shown), comprises a locomotive (1), seven vehicles (2) carrying new rail lengths, a rail jointing vehicle (3) for forming the continuous new rails 10, six vehicles (4) carrying the old sleepers, and a sleeper-loading vehicle (5). The rear train, Figs. 1-2 (not shown), comprises a rear pusher locomotive (1'), seven vehicles (9) carrying the cut-up old rail lengths, a vehicle (8) for cutting up the old rails 11, fourteen vehicles (7) carrying the new sleepers, and two sleeper-unloading vehicles (6), (6<SP>1</SP>). Operation. The old rails 11 are disconnected from their sleepers before the arrival of the trains. As the vehicles advance the old rails 11 are loosened by a vibrator 20 and are progressively lifted from the old sleepers 12 by the forward movement of the leading guide rollers 10-i.e. the guide rollers on an oldsleeper conveyer 17. The old rails are then spread apart and guided by further rollers 19 alongside the vehicles 6, 6' and 7 to the vehicle (8) where they are cut into lengths and loaded on vehicles (9). Similarly the new rail lengths carried by the front train are welded together on vehicle (3) and guided alongside the old sleeper-transport vehicles 4 by appropriate rollers 19. The old sleepers 12 are lifted by a fork loader 16 and conveyer 17 and loaded on to the vehicles 4 by a crane 14 running on rails 13 thereon. The ballast 22 is levelled and compacted by vehicles 21, 25. The new sleepers 23 are laid by a vehicle 29 fed by a crab 27 running on a pivotal boom 26 of vehicle 6, and 'are aligned by a device 31, the new sleepers being brought from vehicles 7 by portal cranes 28. The tip of boom 26 carries the final guide rollers 19 for lowering and converging the new rails 10 on to the new sleepers 23. The sleeperlaying vehicle 29 is variably coupled to the vehicle 25 comprises a grab, Fig. 7 (not shown), which picks up a group of six or seven contiguous sleepers and deposits alternate ones, so that the laid sleepers are closely spaced.
Patent GB-960365-A (GB)
Title: Improvements in and relating to encased electrical components
Inventor: JONES RAYMOND DENNIS
IPC: H01G9/08
Filed: 1959-08-19
Abstract: 960,365. Capacitors; semi-conductor devices. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Aug. 17, 1960 [Aug. 19, 1959], No. 28396/59. Headings H1K and H1M. An electrical component 1 (Fig. 5) e.g. a rolled aluminium foil capacitor with polystyrene dielectric is placed within an insulating e.g. nylon or polystyrene container 2 having a closed end 3 and the leads 4, 5 are bonded to extension wires 4a, 5a doubled to lie outside the container positioned by diametrically disposed axial grooves and a turn of insulating tape surrounding the container (Fig. 2, not shown). An insulating spacer 13 is placed at the bottom of a metal outer container 8 of square section into which the inner container is inserted with its open end adjacent to the closed end of the outer container and sealed in by an initial charge 9 of insulating plastic e.g. an epoxy resin extending to the level x-x (Fig. 7); the wire locating grooves being diagonally disposed of the outer container. A further charge 10 of insulating material completely seals the remaining space between the containers and locates the lead wires, leaving the component surrounded by an air space 11, which may alternatively be filled with wax or silicone grease. The inner container may be plugged with flexible insulating material e.g. expanded plastic or rubber. The leads 4, 5 may be strips of copper alloy bonded to wires 4a, 5a formed as lugs for external connection into a printed circuit. The wires 4a, 5a may be doubled and laid along the inner wall of the inner container, and may then pass through apertures in the closed end thereof which are then sealed with insulating compound. The component may be a resistor, rectifier, or semiconductor.
Patent GB-163637-A (GB)
Title: Improvements relating to shoes or shields for hand irons
IPC: D06F75/38
Filed: 1920-12-08
Abstract: 163,637. Dickie, W. Dec. 8, 1920. Detachable shoes for hand-irons are provided with toe-caps 5 secured to the sole of the shoe by tongues 4. The iron is gripped by blade springs 7<a> bowed inwards and kept in place by bent-over lugs 8. The toe-cap may have its lower edge shaped to form bearing-surfaces and to provide the tongues for securing the cap to the shoe, the sides of which may be bent over inwards at the toe part. The blade springs may be in one piece as shown, or may be separate and fixed by rivets. The shoe may be additionally secured by the known wire clips, passing rearwards from the toe-cap over the top of the iron.
Patent GB-1411536-A (GB)
Title: Stabilised aromatic polyamides
IPC: H01B3/30
Filed: 1974-06-27
Abstract: 1411536 Stabilized aromatic polyamides E I DU PONT DE NEMOURS & CO 27 June 1974 [28 June 1973] 28519/74 Heading C3R Fibre-forming substantially linear predominantly aromatic polyamides are stabilized with 0.5 to 10 wt. per cent nickelous carbonate. The nickelous carbonate may be pure or hydrated basic nickelous carbonate may be used.
Patent GB-284047-A (GB)
Title: Improvements in children's cots
IPC: A47D7/02
Filed: 1926-11-12
Abstract: 284,047. Kershaw, W. Nov. 12, 1926. Telescopic bedsteads. - In a child's cot of the kind having extensible side or end rails, and an extensible bottom, with or without a dropside, one of the two members forming each of its extensible side or end rails has a horizontally projecting rectangularly undercut rib or tongue d of T-section, the wider portion of which lies vertically and is about half the depth of the rail b,. while the other member c has a correspondingly shaped groove e to receive said rib or tongue.
Patent GB-766783-A (GB)
Title: Improved power steering mechanism for motor vehicles
IPC: B62D5/087
Filed: 1954-10-05
Abstract: 766,783. Vehicle power steering. GENERAL MOTORS CORPORATION. Oct. 5, 1954 [Oct. 28, 1953], No. 28631/54. Class 79(5). A fluid-pressure power steering mechanism for motor vehicles comprises a steering gear box 10 into which extends the rotary control column 12 and to which is attached the casing 76 of the control valve and the cylinder. 60 of the power device, the piston 19 of the power device is connected to the output shaft 35 of the gear box, the steering column carries a spool control valve 122 and it can also make a small longitudinal movement consequent on the application of a manual steering effort, and pressure fluid is transmitted to one side or the other of the power piston through passages formed in the valve casing, the steering box and the cylinder. The nut 30 carried by the steering column meshes with a double sector gear 34 carried by the output shaft, and the other side of the gear is engaged by a rack 44 carried by the piston 19. The rack is kept in engagement with the sector gear by means of a saddle member 54 pressed down by a screw with a lock nut 58, there being a part-spherical surface contact between the screw and the saddle member. As the piston 19 approaches either end of its travel it runs over a shallow recess 72 which allows fluid to pass from one side of the piston to the other and to cushion the final movement towards the limiting position. The steering column runs on needle bearings 40 and the valve spool comprises a cylinder between ball races 108 the whole assembly being held up against a shoulder on the steering column by a nut 100. Packing 41 prevents leakage along the steering column. The valve spool is shown in its neutral position in which there is a continual circulation of fluid from the input 84 to the two sides of the piston through passages similar to 130 and to exhaust through passages adjacent the end lands of the spool. The spool is centralized by springs 118 and by means of inlet fluid pressure acting on pistons 120 which press on the adjacent races 104 of the valve ball bearings 108. Specification 766,784 is referred to.
Patent GB-323772-A (GB)
Title: Improvements in and relating to electrical testing sets
IPC: G01R15/00
Filed: 1928-10-05
Abstract: 323,772. Holmes, W., and Ferranti, Ltd. Oct. 5, 1928. Combinations of instruments; electromagnetic current and pressure meters; sets of resistances. -A testing set, particularly applicable for testing wireless installations, is provided with two electrically independent measuring instruments mounted in a common case each instrument having a multi way switch and a set of series or shunt resistances. Two moving-coil instruments a, bare adapted for voltage and current measurement respectively. The voltmeter a is provided with two sets of series resistances controlled by a multiway single pole switch t. One set consists of resistances i - - m, each connected to the moving coil at one end and to one of a series of studs o - - s at the other end , so that any one may be connected by the switch in series with the instrument and to a positive terminal y for low-voltage measurements. The other set of resistances c, d, e are permanently connected, in series with one another and with the moving coil, to a stud h, the intermediate functions being brought to studs f, g so that one, two or three of the resistances c. d, e may be included between the moving coil and a positive terminal z for high voltage measurements. The armature b has two sets 1 - - 3 and 4 - - 8 of shunt resistances, which are permanently connected in series between a negative terminal 9, and a positive terminal 10, the moving coil being connected to the same terminals, in series with a resistance 11. Two further positive terminals 12, 13 are connected to the arm of a multiway switch 14 for low and high current measurements respectively. The shunts 4 - - 8 are arranged so that they can be withdrawn as a unit without affecting the accuracy of the instrument, for example by winding on a common bobbin having five channels in which the separate resistances are wound. External shunts may be connected between the terminals 9, 10 for measuring currents of higher values. The switches t, 14 are provided with pillars which both support the switches from the casing and form the terminals.
Patent GB-1427908-A (GB)
Title: Dial guage measuring length in two different units
IPC: G01B3/22
Filed: 1974-06-28
Abstract: 1427908 British and metric dial gauges MITUTOYO SEISAKUSHO KK 28 June 1974 [28 June 1973] 28797/74 Heading G1M A dial gauge in which linear movement of a spring urged spindle 1, Fig. 2, rotates a pointer 13 indicating measurement on one scale of units and also rotates a pointer 12 indicating measurement on another scale of units, comprises a pinion 2 driven by a rack 1' and itself driving a gear 3 rotating a centre pinion 5 mounting the pointer 13, and a gear 4 also mounted on the pinion 2 which drives a pinion 6 mounting the pointer 12. The gear ratio between 3 and 5 differs from the gear ratio between 4 and 6 to give metric and British units. Gear-wheels 7, 8 rotate against coil spring 9 and hair spring 10 to eliminate backlash.
Patent GB-432182-A (GB)
Title: Electric heating apparatus
IPC: F24C7/06
Filed: 1933-10-18
Abstract: 432,182. Electric radiators. POELVOORDE, A. VAN, 7, Rue de Bastion, Ixelles, Brussels. Oct. 18, 1933, No. 28804. Void [Abridged as open to inspection under Sect. 91 of the Acts, June 2, 1934]. [Class 39 (iii)] An electric resistance 4 is of large cross-section and comparatively short length so that it requires support only at points 5 and 6. It is supplied with low voltage current from a transformer 11 in the base of the apparatus The resistance is arranged in the vicinity of the focus of a parabolic reflector 3, and a smaller reflector 13 which reflects rays from the heating element back on to re flector 3 is also provided