baber/WOPTO huggingface dataset:
Patent GB-435622-A (GB)
Title: Improvements in electric motor control systems
IPC: H02P7/00
Filed: 1934-03-23
Abstract: 435,622. Control of motors. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and MAER, C. A., c /o General Electric Co., Witton, Birmingham. March 23, 1934, No. 9165. [Class 38 (iii)] Travelling between predetermined limits.-In a control system for a reversible motor having automatic limit means for cutting out the motor after a given movement of the load, two switches are operated when the load reaches the limit, one being a limit switch which by its operation cuts off the supply and the other being an interlock switch which by its operation inhibits the actuation of a direction switch for controlling the movement of the load in the direction of travel which resulted in the operation of the two switches. In the application to an alternating-current winder shown, the hoisting and lowering interlock switches 26, 27, mechanically connected with the hoisting and lowering limit switches 19, 20 prevent the inappropriate direction-determining contactor 11 or 12 being closed when a limit switch has opened, the opening of the limit switch opening the breaker 13 by means of its coil 14. The load may be backed out of an overwind by turning the controller 2 to the off position 8 and then to the appropriate position after energizing breaker coil 14 through push-buttons 30, 23, 16. Adjustment to the off position is necessary to close switch 22, and the hand brake must be put on to close switch 21 but switches 21, 22 23 are short-circuited after the breaker 13 has closed.
Patent GB-1202653-A (GB)
Title: Construction elements
Inventor: CHAS ANDRE
IPC: E04G11/40
Filed: 1969-02-20
Abstract: 1,202,653. Improvements in or relating to constructional elements. A. CHAS. 20 Feb., 1969 [4 March, 1968], No. 9191/69. Heading E1W. A constructional element e.g. a floor or wall comprises a main base plate 1 (Fig. 4) to which are attached perpendicularly thereto small plates 2, 3 and 4 which interengage e.g. by slots to form the honeycomb effect (Fig. 1) the profile of the top surface being rows of ribs and channels and a ribbed cover 8 fits over the unit. The channels defined by the cover being used for casting concrete. The holes of the honeycomb may be square, rectangular or hexagonal. The channels may be dovetail in cross section. The concrete may contain reinforcement, the main plate may be composite cardboard plaster material, the small plates and the cover may be of cardboard.
Patent GB-784876-A (GB)
Title: Improvements in or relating to lubricants
IPC: C10M131/12
Filed: 1955-03-29
Abstract: A lubricating composition comprises a hydrocarbon oil and a specified proportion of an aliphatic ester of a halogenated fatty acid, the ester molecule containing 3 halogen atoms attached to the end of the chain remote from the esterified carboxyl group and a fourth halogen atom attached in position 2 with respect to the end halogenated group.  Thus the preferred ester of a halogenated fatty acid is methyl tetrachlorolaurate of formula Cl3C.CH2.CHCl.(CH2)8.COOCH3. An extreme pressure lubricant contains the hydrocarbon oil together with 1-8 per cent of the ester of the halogenated fatty acid, while a lubricant suitable for use both at moderate pressures and at extreme pressures contains the hydrocarbon oil, 0.1-2 per cent of the ester of the halogenated fatty acid and 0.2-2 per cent of an aliphatic ester of an unhalogenated fatty acid, this latter ester having more than 12 carbon atoms in the molecule.  The latter ester may be an ester of stearic or palmitic acid, particularly methyl or ethyl stearate.  The hydrocarbon oil may be mineral oil or oil obtained by the distillation of coal.  In an example, a lubricating composition is described which consists of mineral oil, 1 per cent of methyl tetrachlorolaurate and 1 per cent of methyl stearate.
Patent GB-578168-A (GB)
Title: Polymerisation of trifluorochloroethylene
IPC: C08F14/24
Filed: 1944-05-15
Abstract: Trifluorochloroethylene is polymerized in the presence of ultra-violet light and/or a catalyst such as benzoyl peroxide at a temperature not exceeding 45 DEG  C.  Polymerization may be effected in bulk, in solution in acetone or in aqueous emulsion made with the aid of aryl sulphonates, higher fatty alcohol sulphates or sulphonated higher alkyl diesters of aliphatic dicarboxylic acids. In the example, the monomer and a mixture of lead tetraethyl and benzoyl peroxide are introduced into a vessel transparent to ultra-violet light under pressure to maintain the monomer liquid. On exposure to ultra-violet light, an insoluble white powder softening at 215 DEG C. is formed.  Fillers, pigments and other resins may be added to the polymer which may be extruded into filaments at 200 DEG  to 225 DEG C. which may be hot-stretched to increase their strength and flexibility.  Specification 465,520 is referred to.
Patent GB-1457780-A (GB)
Title: Semiconductor memory devices
IPC: H01L29/788
Filed: 1974-03-01
Abstract: 1457780 Semiconductor memory devices WESTERN ELECTRIC CO Inc 1 March 1974 [1 March 1973 8 Nov 1973] 9256/74 Heading H1K A semiconductor memory device comprises a first insulator 12 in contact with a surface 11À5 of a semiconductor 11, a second insulator 13 forming an interface 12À5 with the first insulator 12, a metallic layer 14 on the surface 13À5 of the second insulator 13, and an impurity dispersed in the interface region 12À5 in a surface concentration between about 10<SP>14</SP> and 2 x 10<SP>15</SP> atoms per square cm., so as to supply states for the capture of charges in the interface region 12À5. The impurity may be tungsten, tantalum, platinum, niobium, iridium or a mixture thereof. The first insulator 12 may be silicon dioxide between 60-200 thick and the second insulator 13 may be aluminium oxide or silicon nitride about 300-700 thick, or zinc sulphide. The semiconductor 11 may be silicon. The device is incorporated in a read/write/erase circuit including a write potential 20, an erase potential 21 and a readout at source 23. Non-destructive readout is performed by connecting the AC source to the device, whereupon a signal on a detector 22 determines the capacitance and hence the charge state of the device. The device may be incorporated in an IGFET, Fig. 2 (not shown) in which readout is accomplished by monitoring the value of source-drain current as affected by the presence of the channel inversion layer under the influence of the captured charge carriers.
Patent GB-784827-A (GB)
Title: Stator coil forming device
IPC: H02K15/085
Filed: 1956-03-26
Abstract: 784,827. Stator winding machines. BENDIX AVIATION CORPORATION. March 26, 1956 [April 1, 1955], No. 9297/56. Class 35. In stator winding machines pins are secured in holes in the end face of the stator core to retain end windings in position during the winding process. Some pins may be straight and others have a projection 41. This arrangement may be used in the machine described in Specification 779,417 which describes pins for the same purpose but supported either on the core carrier or integral with insulating rings at the core ends.
Patent GB-565256-A (GB)
Title: Improvements relating to mandrels for supporting and driving rotating workpieces
IPC: B23B31/22
Filed: 1943-06-10
Abstract: 565,256. Mandrels; chucks. FISCHER BEARINGS CO., Ltd., and HURST, T. F. June 10, 1943, No. 9326. [Class 83 (iii)] A mandrel or internal chuck for supporting rotating work in a grinding or other machine has a boss 1 formed integral with a flange 2 and a driving shank 3, a. series of balls 8 contained in a cage 9 being mounted on the boss 1 to form the means for supporting the work 12. A washer 6, having a radial slot 13 so that it may be inserted laterally on the mandrel, is engaged by a nut 5 screwing on a spigot 4 to secure the work between annular ribs 10, 11 on the flange 2 and washer 6 respectively. The cage 9 and balls 8 form an easily replaceable unit and the first row of balls may be of smaller diameter than the others to facilitate insertion in the work. The balls may be arranged in axial rows or may be staggered and means other than the nut 5, such as a draw-spindle &c. operated by fluid pressure may be used for clamping the work axially. The cage 9 may be formed by inserting the balls into stepped holes therein and then caulking the larger ends of the holes to retain the balls in position. Specification 548,129 is referred to.
Patent GB-1091174-A (GB)
Title: Production of ethylene by thermal cracking of hydrocarbons
Inventor: BUSCHMANN KARL
IPC: C10G9/00
Filed: 1965-03-05
Abstract: In the production of ethylene by cracking hydrocarbons at 750-900 DEG C. in a heated tube followed by cooling in a quench boiler, the connection between tube and boiler is heated, preferably by positioning it inside the furnace heating the tube (see Figure, not shown).
Patent GB-687288-A (GB)
Title: Improvements in or relating to direction signalling indicators for cycles
IPC: B62J6/00
Filed: 1950-04-18
Abstract: 687,288. Road-traffic signals on vehicles. WOPLIN, J. April 18, 1951 [April 18, 1950], No. 9439/50. Class 118 (ii). A combined rear light and direction indicator for cycles comprises a dished casing 1 having its rear edge shaped to fit the mudguard 3 of a cycle and having transparent arrows 5 and 6, rear light 7 and a reflector 8 on its substantially vertical face 2, the interior of the casing housing electric lamps 15, 16, 17 (Fig. 2) to illuminate the respective apertures. In the embodiment shown the lamps are mounted on a backing plate 9 which is curved to fit the mudguard 3 and is 'provided with twopiece metal clips 11 having tightening screws 12 and hooked ends to engage beneath the side edges of the mudguard. The casing 1 fits within the upturned edge 10 of the plate 9 and is secured by two screws 22. The three lamps 15, 16, 17 are separated by partitions 13 and 14 and are connected to a battery 18 as shown diagrammatically in Fig. 2, by rrieans of a rear light switch 19 and direction indicator selector switch 20. The battery 18 may be carried remotely on the cycle or housed in the suitably enlarged casing 1 or a dynamo may be used instead. A sponge rubber or like resilient pad (not shown) may be interposed between the plate 9 and mudguard 3.
Patent GB-766529-A (GB)
Title: Improved case cleaning machine
IPC: B08B9/08
Filed: 1955-03-31
Abstract: 766,529. Cleaning cases. MILLER HYDRO CO. March 31, 1955 [April 9, 1954], No. 9462/55. Class 18. In a machine for removing rubbish from cases, e.g. bottle crates, the cases are passed into a cage that automatically rotates to invert each case and then returns each case to its original upright position, there being means for directing a cleaning fluid towards each inverted case. The cases may be jolted in their inverted position. The cases are fed to and from the machine on driven rollers. In Fig. 7 a first case is resting on rollers 19 in the cage 13. No action occurs until a second case to be cleaned approaches the cage 13 and engages a stop whereupon the cage 13 commences to turn, Fig. 8, and as the first case approaches its inverted position, Fig. 9, an air jet 104 opens to blast the contents of the case. After turning through 180 degrees, Fig. 10, the cage 13 stops, the case having in the meantime received a jolt by dropping from the rollers 19 onto supports 25, 26. The stop holding back the second case now withdraws and the second case moves into the cage. When a third case engages said stop the cage 13 commences, Fig. 11, to turn back to its initial position during which movement the first case receives a second blast from the air jet 104. Fig. 12 shows the second case approaching its inverted position and being blasted by a jet 103. When the cage 13 has returned to its initial position, Fig. 13, the first case is pushed out of the cage 13 by the third case entering the cage. The process then continues. The whole system is automatically operated by stops and cam operated switches controlling pneumatically operated means.
Patent GB-345099-A (GB)
Title: Improvements in rock drills and the like
IPC: E21B3/025
Filed: 1930-03-25
Abstract: 345,099. Drilling. MUTO, U., Musocco, Milan, Italy. March 25, 1930, No. 9531. [Class 83 (iii).] In a rock drill a pinion is rotated by a power shaft and drives two oppositely rotating gears disposed axially with regard to the drillspindle and means are provided for alternately and periodically coupling each gear to the spindle in order to rotate the latter alternately in opposite directions. The pinion 1 is coupled at 2 to the power shaft (not shown), and rotates the gears 3, 4 in opposite directions. Each gear carries driving dogs 31, 41 respectively which are engaged by a key 5 slidable in a slot 51 in the drill spindle 6 by means of a rod 7 disposed within the spindle. The upper end of the spindle is screwed and co-operates with a nut 8 prevented from rotating within the casing 9 by means of lugs 81. A spring 10 engaging the lower end of the nut tends to press the rod 7 downwards and a spring 11 engaging the upper end of the nut presses the rod upwards through a collar 13. In operation, with the key 5 in the position shown, as the drill 12 is rotated the nut 8 is moved upwardly, compressing the spring 11 until a sufficient force is exerted on the collar 13 to open out a pair of springs 14 engaging the collar and allow the rod 7 to be moved to clutch the key 5 to the gear 4. The drill is then rotated in the opposite direction until the spring 10 has been compressed sufficiently to allow the collar 13 to be shot downwards past the springs 14 and again reverse the direction of rotation of the drill. The drill may be provided with ball bearings and a hand - controlled clutch embodying a spring 15 engaging the end of the shaft 16 of the pinion 1 to facilitate engagement and disengagement of the latter with the gears 3, 4.
Patent GB-668180-A (GB)
Title: Apparatus for carrying out catalytic reactions
IPC: B01J8/28
Filed: 1949-04-07
Abstract: <PICT:0668180/III/1> A vertical cylindrical catalytic reactor, subdivided into a number of reaction spaces, each having cooling devices disposed externally thereof, and having means for feeding the catalyst at the top and the reactant gases at the bottom of the reactor, is provided with a central rotating shaft carrying impeller blades which cause the reactant gases to be withdrawn from each reaction space, passed through the cooling device and recycled. Either fluidized or moving bed technique may be employed.  The left-hand side of Fig. 1 shows two superposed fluidized beds supported on grates 17 and separated from each other by plate 23. Catalyst enters at 21 and passes downwards through the overflow pipes 22. Reactant gases entering at 13 are thrown outwardly by impellers 7 on rotating shaft 6, under the grates 17, fluidizing the catalyst bed.  A cooling device 19 is adjacent the reaction spaces and the reactants circulate down the length of the cooler and back to the catalyst bed.  Part of the reactants passes through apertures 29 above the impellers, into the central space and from thence to the next uppermost bed.  In the right-hand side of Fig. 1, reaction spaces and cooling devices are disposed alternately radially about the central shaft.  Catalyst is fed from a distributer 3 into the reaction spaces and is withdrawn at 10. Reactants are withdrawn from the reaction spaces inwardly into the central shaft and passed under the action of the impellers through the radially arranged cooling devices into the annular space between the reactor wall 1 and the reaction spaces, and thence through radial channels 8 to the catalyst bed.  Gases may be withdrawn from the reactor at any stage, reaction products separated and the reactants recycled.  The working temperature of the reaction spaces may be further controlled by the action of cooling gas or water, introduced preferably automatically by a temperature regulator.
Patent GB-1213676-A (GB)
Title: Improvements in and relating to apparatus for playing a game
Inventor: GOODMAN FREDERICK JOHN
IPC: A63F3/00
Filed: 1968-02-27
Abstract: 1,213,676. Amusement apparatus. F. J. GOODMAN. 27 Feb., 1968, No. 9536/68. Heading A6H. Apparatus for playing a game comprises a game board having a plurality of stations in the form of holes and including at least one winning station, a pictorial representation, a selector in the form of a punch, apparatus for positioning the selector adjacent a station corresponding in position to a location on the pictorial representation as selected by a player, means for advancing the selector to engage the selected station and means for indicating if the selected station is a winning station. In the apparatus shown the knobs 12 and 16 are turned to move the punch 6 over the board until it is positioned above a desired hole, a coin is then inserted in 18 and the plunger 19 pushed forcing a piston into a cylinder and transmitting a pressure rise through the tube 20. This actuates a pressure-sensitive mechanism in 10 causing the bar 7 to turn and the punch to be inserted in the hole. If it is a winning station a token is pushed out by the punch and delivered to the player by opening 5.
Patent GB-298861-A (GB)
Title: Film-counter for cinematographic view-taking apparatus
IPC: G03B21/43
Filed: 1928-03-29
Abstract: 298,861. PathÚ CinÚma, Anciens Etablissements PathÚ FrÞres. Dec. 2, 1927, [Convention date]. Kinematograph apparatus.-A film-feed indicator is mounted in a camera so as to be visible in the field of the view finder. As shown, a numbered disc 6 driven by the camera mechanism projects into the tube 1 of a view finder comprising an objective lens 3 and an eye piece 2. Angle bars 7, 8 are placed on each side of the disc and are notched to allow only one number on the disc to be visible at a time. In a modification, the bars 7, 8 are omitted and the numbers are each carried by a separate projection from the disc. The numbers may be formed by perforation or otherwise and may be lighted by reflection. An external indicator disc 14 may be provided.
Patent GB-493359-A (GB)
Title: Improved means for admixing with water, sewage effluent and the like a chlorinating or other agent
IPC: C02F1/76
Filed: 1937-04-05
Abstract: 493,359. Float actuated valves. BOOKER, C. G. April 5, 1937, No. 9606. [Class 135] [Also in Group II] Apparatus for mixing small quantities of one liquid with another in flow, as in chlorinating water, comprises a float-operated valve for regulating the main stream interconnected adjustably with a needle valve for controlling the supply of solvent for the reagent. The main stream flows through a pipe 10 into a compartmented vessel the exit from which is controlled by a valve 21 carried by a lever 17 actuated by a float 13 in one of the compartments. A needle valve 34 admits water into one of three connected chambers in which a chlorinating solution is made and displaces an equal volume of solution into the water discharge. The valve 34 is operated by a cranked lever 24 one arm of which is fitted with an adjustable cam 26 against which contacts a pin 30 carried by the lever 17.
Patent GB-737132-A (GB)
Title: Improvements in and relating to insulated portable shelters
IPC: E04H15/22
Filed: 1953-04-09
Abstract: 737,132. Tents. GENERAL ELECTRIC CO. April 9, 1953 [April 9, 1952], No. 9666/53. Class 20 (1).  A shelter, forming a closed structure made of foldable gas-tight material with double walls 11, 12 enclosing an insulating layer, has a floor 10 secured to the walls to form a gas-tight enclosure, means for inflating the structure and means for evacuating the space between the walls, 11, 12. Walls 11, 12 may be made of rubberized or plastic impregnated fabric, polyethylene or polystyrene. The floor 10 may be wood, metal, heavy fabric or plastic. The insuiating layer is preferably glass fibres but may be kapok, cork or the like. The space between walls 11, 12 may be divided into compartments, as shown, each individually gastight and connected to a manifold 15 connected to a vacuum pump 20. A pump 17 forces air through an intake pipe 16 to the interior of the structure. When setting up the structure, the interior is inflated by pump 17 and then the space between walls 11 and 12 is evacuated by vacuum pump 20 until the structure is rigid, when pump 17 is stopped. The interior of the structure may be entered through double door air lock 19. When collapsing the structure, if manifold 15 is flexible, the vacuum is only partly broken and the structure is folded up, after which the vacuum is re-applied to reduce its volume still further. Specification 715,174, [Group XI], is referred to.
Patent GB-904030-A (GB)
Title: Gas shielded ac arc welding
IPC: H05B7/02
Filed: 1960-03-18
Abstract: 904,030. Welding by fusion. UNION CARBIDE CORPORATION. March 18, 1960 [March 25, 1959], No. 9747/60. Class 83 (4). [Also in Group XXXV] A method of gas shielded arc working comprises striking a direct current pilot arc between a non-consumable electrode 3 and an auxiliary electrode 11 in a stream of arc shielding gas, applying the main A.C. welding voltage across the electrode 3 and a workpiece 7, and applying a further voltage from a resistor condenser network 10, 17 between the electrode 11 and workpiece 7, the condenser being charged during each forward polarity half cycle and discharged during each negative polarity half cycle. The arrangement is stated to reduce the open circuit voltage to start the A.C. arc. The A.C. welding current is controlled by a contactor 5, 15 energized through a manual switch 13.
Patent GB-826023-A (GB)
Title: Process for the manufacture of sodium sulphide from sodium sulphate
Inventor: WOLF FRIEDRICH
IPC: C01B17/28
Filed: 1956-03-28
Abstract: In the manufacture of sodium sulphide from sodium sulphate by reaction at 640-690 DEG  C. with a reducing gas, e.g. hydrogen, one or more alkali metal carbonate is mixed as catalyst with the sodium sulphate.  The carbonate may be mixed to the extent of 2-4% of the sulphate and ground therewith, formed into a paste with water and moulded into granules of e.g. 6 mms. diameter.  The reaction in the presence of hydrogen takes place without fusion or agglomeration with sodium carbonate at 680-690 DEG  C., with potassium carbonate at 675 DEG  C. and with lithium carbonate at 640-650 DEG  C.  The reaction mixture should be in the form of an intimate mixture and may be mixed during the process or ground before reduction.
Patent GB-306744-A (GB)
Title: Improved means for propelling the mechanical hare for use in dog racing
IPC: A63K1/02
Filed: 1928-03-31
Abstract: 306,744. Butler, G. W. March, 31, 1928. No Patent granted (Sealing fee not paid). Dog-racing apparatus. - A trackless hare is driven by an endless cable, and is returned, in the reverse direction, to the starting point without disconnecting it from the cable. The cable 1 passes from a winding drum 2, past a tensioning pulley 6, along the outer fence 3, across to the inner fence 4. round the track and back to the pulley 2. The hare starts at C, circles the track and stops at D, after passing through a screen 50. The cable is then driven in the reverse direction to return the hare to C. A flexible hare-carrying rod 24 is attached to a member 22 hose on the driving cable but limited by stops 28, 29 on the cable. At the other end this arm 24 is pivotally connected on a pin 27 on the lure sleigh 20. A cord 32 also connects the sleigh to a member 30 loose on the cable between stops 33, 34. In a modification the hare is carried by a mild steel spring bow attached to the cable, and it has a running wheel. Rope-tensioning arrangements.-The tensioning device 6 for the cable 1 comprises two parallel base members, only one being shown in Fig. 5; each base member having a guide rod 8 on which slides a member 9. The two members 9 are rigid with the shaft 10 of the tensioning pulley 11, upon which shaft is mounted a yoke 12 attached to a spring 13. The other end of the spring is connected to a sliding member 14 and an adjusting screw 15. Reference has been directed by the Comptroller to Specifications 303,237 and 300,268,