baber/WOPTO huggingface dataset:
Patent GB-1083452-A (GB)
Title: Improvements in or relating to devices for supporting reinforcement in concrete and like floors
Inventor: ROBINSON HARRY
IPC: E04C5/18
Filed: 1963-03-27
Abstract: 1,083,452. Reinforcement supporting devices. NEOLITH Ltd. March 26, 1964 [March 27, 1963], No. 12044/63. Heading E1W. A reinforcement spacer for use in reinforced concrete floors is formed from a T-shaped sheet metal blank by folding the arms 15 at an angle to the stem 16, the arms having slots 17 formed in their upper edges. The lower part 19 of the stem may be L-shaped as shown in Fig. 2, with a hole 21 in the, horizontal flange, which flange may be turned down after the concrete has set, to form a suspension point for, e.g., a suspended ceiling. The lower part 19 may be a simple downstanding flange (Fig. 1, not shown), and a hole may be provided through the stem 16 instead of the slot 18 shown, either allowing for the passage of concrete between the reinforcement 14. The formers 10 shown in Fig. 5 abut each other to form channels 13 into which the concrete is poured, but spaced formers may be used (Fig. 6, not shown), with other beams as temporary shuttering supporting the edges of the formers.
Patent GB-101344-A (GB)
Title: Improvements in Electric Machines.
IPC: H02P9/24
Filed: 1916-08-25
Abstract: 101,344. Soc. d'ElectricitÚ Nilmelior. Aug. 27, 1915, [Convention date]. Void [Published under Sect. 91 of the Act]. Dynamos, regulating.-The voltage of a variable-speed or other generator is kept constant or regulated by the use of two or more field-magnet windings e, f wound in opposite directions and connected in series. At low speeds, the opposing-winding e is short-circuited at the contacts h, j of a voltage relay or switch k; but when the voltage of the generator exceeds the normal value, the contacts h, j are separated, and the flux of the field magnet diminished. The winding e may be divided into a number of sections, which are separately short-circuited by a number of relays or by a series of armatures belonging to a single relay. The contacts j, h may be subdivided into several elements, which may be in series, or independent, or connected each to one subdivision of the winding e.
Patent GB-1515645-A (GB)
Title: Titanium compounds
IPC: C07F7/00
Filed: 1977-02-18
Abstract: 1515645 Organic titanate mixtures TIOXIDE GROUP Ltd 18 Feb 1977 [25 March 1976] 12087/76 Heading C2C [Also in Divisions C1 and C3] The invention comprises mixtures of organic titanates in which the Ti atoms have attached thereto an average of 1À25-1À75 alkyl groups hydrolysable therefrom by being subjected to water at pH 7 at below 100‹ C. and 2À25- 2-75 acyl groups which are not hydrolysable under these conditions and the preparation of organic titanate mixtures by mixing appropriate tetralkyl titanates with suitable amounts of carboxylic acid or anhydride and removing free alcohol formed in the reaction. The compounds of the invention are used to treat inorganic particulate and fibrous fillers and reinforcing materials prior to incorporation into polymer compositions.
Patent GB-192002-A (GB)
Title: Improvements in turbine-driven locomotives and similar vehicles provided with mechanical power transmission
IPC: B61C9/30
Filed: 1922-04-29
Abstract: 192,002. Aktiebolaget Ljungstr÷ms A ngturbin. Feb. 23, 1922, [Convention date]. Motive power, applications of. - A turbinedriven locomotive is provided with at least three trains of spur reducing- gearing between the turbine shaft and the track wheels. The gearing is preferably symmetrical about the longitudinal axis of the locomotive, each end of the turbineshaft 5 driving reducing- trains 7, 10 and 11, 12, the last shaft 2 of the gearing being driven through a third train 14, 15. The shaft 2 drives the track wheels through cranks and coupling rods. The first two gear trains are carried in casings 17 rocking to a limited extent on pivots 16 about the intermediate shaft 13, the turbine shaft being connected to the pinion shafts 6 through flexible diaphragms 8 and short shafts within the pinion shafts to allow of this movement. Reversing gearing is provided, comprising an eccentricallymounted gear-wheel 20 which can be brought into engagement with the pinions 14 and the gearwheels 15, the shaft 2 being carried in a casing 21 by arms 19 pivoted at 18 so that the gearwheels 15 can be disengaged from the pinions 14. In a modification, the reversing gear is situated in the second reducing train Fig. 5 shows an application of the invention to a locomotive. Four turbines 56 drive shafts 58, 59, 60 and 61 which are coupled to the track wheels. Specification 149,693, [Class 80 (i), Gearing, Belt &c.], is referred to.
Patent GB-1245737-A (GB)
Title: Knob assemblies for gear-selector levers in motor vehicles
Inventor: PRICE ERNEST JAMES
IPC: B60Q3/02
Filed: 1970-03-13
Abstract: 1,245,737. Change-speed control. E. J. PRICE. 13 March, 1970, No. 12102/70. Heading F2D. A gear lever knob 9 comprises a split plastics body 10, 11 frictionally clamped on a ballended member 12 at the end of a gear lever 20 by screws 19 adjustable to vary the frictional grip whereby the knob may move with the driver's hand relative to the gear lever 20 and thus avoid the knob twisting in the palm of his hand as the gear lever is moved during gear changes. The ball-ended member 12 may be formed integrally with the gear lever 20 or, as shown, have an extension sleeve 13 screwthreaded on the gear lever, a shoulder 14 on the sleeve 13 co-operating with a conical recess 18 in the split knob lower body 11 to limit the relative tilt of the knob on the body to about 15 degrees from normal in any direction. The knob 9 may rotate on the ball member 12 about the axis of the lever 20, but in an alternative construction this is prevented by a rib (not shown) on the ball 12 engaging a complementary groove (not shown) in the knob 9, the rib and groove generally restricting rotation of the knob 9 about the ball 12 to a single axis transverse to the gear lever 20. The ball member 12, 13 and split knob body 10, 11 may be moulded from transparent or translucent plastics material such as nylon and have an electric lamp 21 fitted in a hole 15 in the ball 12 with the electrical leads 22 passing from the lamp down the side of the gear lever 20 on which they are located and concealed by a sleeve 24, the light indicating the gear lever position at night and illuminating a diagram on the knob indicating the position of selection of the gears. Additionally the knob may be formed with a window (25), Fig. 1 (not shown), which can be used at night to direct a beam of light for map reading &c.
Patent GB-130153-A (GB)
Title: Improved Sash Fastener.
Inventor: WHEELER RAYMOND CLIFFORD
IPC: E05F11/00
Filed: 1918-07-25
Abstract: 130,153. Wheeler, R. C. July 25, 1918. Drawings to Specification. Screw fastenings; locks, square-key.-In a sashfastener of the type comprising a key-operated screwed bolt mounted on the lower sash and a series of plain tapped sockets secured to the upper sash, the sockets are secured to the centre bar of the upper sash, and a bedding piece or pieces are placed between the sockets and the moulding of the bar to accommodate any irregularities in the moulding. In the Provisional Specifications it is stated that the sockets may be secured to the moulding of the side-bars of the sashes, and that they may be plain instead of being tapped, the bolt on the lower sash being then mounted in a tapped bracket.
Patent GB-290197-A (GB)
Title: Improvements in and relating to concrete railway sleepers
IPC: E01B3/38
Filed: 1928-04-25
Abstract: 290,197. Valeri, O. April 25, 1928. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 10, 1928]. Sleepers, pot; tie-bars.- Concrete pot sleepers 2 are arranged longitudinally of the rails 1 and are connected in pairs by two tiebars 3, one at each rail seat. The rail-securing bolts 5 also secure the tie-bars which are of channel section and may be inclined at their ends to cant the rails. Reference has been directed by the Comptroller to Specification 8916/15.
Patent GB-230316-A (GB)
Title: Improvements in display boxes
IPC: B65D5/52
Filed: 1924-05-17
Abstract: 230,316. Griffith, F. W. May 17, 1924. Contents, viewing.-A cardboard or like display box is provided with a window 5 formed of celluloid or the like which is secured at one edge 3<a> to a framework 2 and is freely guided in grooves formed by flanges 3, 4 on the other three sides of the framework, so as to allow of expansion without distortion.
Patent GB-1318687-A (GB)
Title: Inflatable cushion restraint system
IPC: B60R21/16
Filed: 1971-04-29
Abstract: 1318687 Crash restraint bags GENERAL MOTORS CORP 29 April 1971 [11 May 1970] 12161/71 Heading B7B A crash restraint bag 20 includes a panel 38 of fabric which is non-porous during inflation but becomes porus, due to stretching, when an occupant 18 inpacts the cushion; the internal pressure increases causing the panel 38 to stretch, Fig. 4, to become porous allowing fluid under pressure to escape through apertures between threads 40 and 42 of the fabric. Upon cessation of the forward movement of the occupant, the panel returns to its non-porous condition to terminate the escape of fluid. The fabric includes non-stretchable threads 40 of rayon, acrylic resin or polyester resin and stretchable threads 42 of a synthetic elastic material, e.g. of nylon.
Patent GB-182970-A (GB)
Title: Improvements in or relating to electric welding and apparatus therefor
IPC: B23K9/067
Filed: 1921-04-28
Abstract: 182,970. Davies, W. Langdon-, and Soames, A. April 28, 1921. Lighting and heating systems. - An alternating-current welding-apparatus is provided with an electromagnet which operates to introduce an inductance into the arc circuit or into the primary circuit of a transformer supplying the arc circuit when the arc is established. Additional contacts or switch may be provided to cut out an inductance in the arc circuit or in the primary circuit of the transformer before the arc is established, after which the working inductance is inserted. An inductance A, Fig. 1, is inserted in the circuit of the arc by means of an electromagnet C when the arc is established. In a modification, several inductances are provided and the amount to be introduced is varied by means of a switch. In the arrangement shown in Fig. 3, the solenoid C inserts the inductance A<4> in steps. In the arrangement shown in Fig. 5, a protective inductance A<6> is at first cut out by the switch D<2> and the inductance A<7> is inserted by the switch D after the arc has been struck. In a modification, the protective and the working inductance are controlled by a single switch. In the arrangement shown in Fig. G, the protective inductance A<6> is placed in the primary circuit of the transformer and the working inductance A<8> in the arc circuit, both inductances being controlled by a single electromagnet C. In a further modification, the inductances A<6>, A', Fig. 6, are controlled by separate electromagnets.
Patent GB-1304653-A (GB)
IPC: H01J29/07
Filed: 1971-04-29
Abstract: 1304653 Making shadow mask frames HITACHI Ltd 29 April 1971 [30 April 1970] 12197/71 Heading B3A [Also in Division H1] A shadow mask 10, Fig. 3, is welded at its periphery to a frame 20 formed of a strip of L cross-section bent into a rectangular frame and characterized by indentations 25 which may be pressed concurrently with or independently of the bending operation. These indentations prevent the bent frame from deforming elliptically and also facilitate manual access to the springs 23 by which the frame is supported in a faceplate (not shown), especially when the structure is completed by a flat electron shield frame welded to the inwardly facing flange 22 of the frame (Figs. 4 and 5, not shown). The indentations illustrated are trapezoidal, but they may alternatively be circular, rectangular or triangular.
Patent GB-655636-A (GB)
Title: Improvements in or relating to the control of electric motor-driven mechanism
IPC: H01H33/36
Filed: 1948-05-04
Abstract: 655,636. Control of D.C. motors. EATON MANUFACTURING CO. May 4, 1948, No. 12225. Convention date, May 29, 1947. '[Class 38(iii)] Gear-shifting mechanism is driven by an electric motor supplied from a battery 24 through a key-operated switch 26, which may be an ignition switch of a vehicle engine. The motor, having armature 30 and alternately-energized reversing field windings 32, 34 drives a screw carrying a loadshifting nut co-operating with limit switcharms 46 and 48 which are biassed to closed positions by a spring 54 having an insulating link 64. The direction of rotation is selected by switch 16 the operating knob of which may be mounted on a gear-shift lever of a vehicle. A speedometer speed change adapter, Fig. 1 (not shown), may have an operating solenoid energizable from the battery. Specification 616,533, [Group XXIV], is referred to.
Patent GB-942285-A (GB)
Title: Aircraft
Inventor: PETRIE JAMES ALEXANDER
IPC: F02C3/06
Filed: 1961-04-05
Abstract: 942,285. Aircraft. ROLLS-ROYCE Ltd. March 30, 1962 [April 5, 1961], No. 12252/61. Heading B7W. [Also in Division F1] An aircraft has a vertically mounted gas turbine engine which has its rear end downwardly directed and has a compressor supplying air through one or more ducts to blown flaps of the aircraft. Fig. 2 shows one tail-boom of a twin boom aircraft propelled by power units 10a. In each boom is a downwardly discharging gas turbine engine 15, driving an additional compressor in the upper part of the engine casing (see Division F1), which feeds compressed air to duets 24 and 25 supplying blown flaps 24a, 25a, on the wing 12 and tailplane 13 respectively. The engines 15 may be used only during vertical take-off and landing. Each engine is surrounded by a space 26, seen in plan in Fig. 4, with air intake apertures 33 in the boom walls. Flaps 33a close off the apertures when the engines are not in use, and can be inclined as shown to raise the pressure in the engine compartment due to the ram effect of forward speed, to facilitate starting of the engines. According to the Provisional Specification four engines such as engine 15 may be installed with their axes vertical, below the rotor pylon of a helicopter. The compressed air from the additional compressors is directed through a duct in the pylon on to the rotor blades to drive them. Specification 942,286 is referred to.
Patent GB-398584-A (GB)
Title: Improvements in and relating to ground-sheets, sleeping-bags and the like
IPC: A47G9/00
Filed: 1932-04-29
Abstract: 398,584. Groundsheets. TIDMAN, W. B., 55, Holland Park, Notting Hill, London. April 29, 1932, No. 12388. [Class 140.] An inflatable pillow is provided integrally with a groundsheet or sleeping bag by folding back upon the sheet 3, Fig. 2, a central extension 6 of less width than the sheet and securing it along its edges by solution and stitching. Alternatively, the extension 6 may be folded back upon itself, as shown in Fig. 3, so that the pillow is connected to the groundsheet by a flap 8, and may be turned so as to extend beyond the edge of the sheet. Fastening members may be provided so that the groundsheet may be wrapped round the body.
Patent GB-271241-A (GB)
Title: Improvements in or relating to the valve mechanism of internal-combustion engines
IPC: F01L5/06
Filed: 1926-05-14
Abstract: 271,241. Airship Guarantee Co., Ltd., and Wallis, B. N. May 14, 1926. Reversing.-In valve gear for actuating a reciprocating and oscillating sleeve valve 1, the reciprocating motion of the valve is derived from two oppositely rotating half-speed shafts 8, 9 and means are provided whereby, according to the direction of rotation of the engine, one or other of the half-speed shafts is operative to produce oscillation of the valve. As shown, the valve is pivotally connected at 2 to a beam 3 connected at its ends by connecting-rods 4, 5 to cranks or eccentric 6, 7 on the shafs 8, 9. The motion of the connecting-rods is constrained by links 10, 11 hinged to a slotted link 12 adapted to slide on a, block carried by a fixed pin 13. When the end of either link 10, 11 is opposite the pin 13, the oscillation of the valve 1 is derived from the corresponding connecting-rod and shaft 4, 8 or 5, 9.
Patent GB-274987-A (GB)
Title: Improvements in and relating to surgical belts and trusses
IPC: A61F5/34
Filed: 1926-05-17
Abstract: 274,987. Brasseur Surgical Manufacturing Co., Ltd., and Desmond, M. V. May 17, 1926. Trusses.-A truss pad comprises an inflatable rubber bladder a on the back of which is moulded a metal or other rigid plate b which is completely surrounded by rubber and then vulcanized. A vulcanite plate d is provided with a raised bar g for the passage of a belt is secured to the pad by screws e, f, the latter of which is provided with a cheese-head q to which an under-strap is attached by a loop having a key-hole slot. An inlet valve k comprising a conical member m, normally held against its seat by internal pressure, is secured to the plate b and projects through an aperture in the plate d. The front face of the pad may be covered with felt or washleather.
Patent GB-703439-A (GB)
Title: Improvements in and relating to saturable reactor apparatus
IPC: H03F9/04
Filed: 1951-05-29
Abstract: 703,439. Magnetic amplifiers. BRITISH THOMSON-HOUSTON CO., Ltd. May 29, 1951 [June 17, 1950], No. 12567/51. Class 40 (4) [Also in Group XXXV] In a push-pull magnetic amplifier, four or more rectangular cores 11 are radially positioned so that they form a common central leg 12 which carries one or more control windings 13, while individual reactance windings 19 are arranged on each of the outer legs. As shown in Fig. 1, four cores 11 formed from U or L- shaped laminations are secured in radial relationship by non-magnetic base members 20 which are clamped together by screws 21. Similar upper supporting members 22, Fig. 2, clamped by screws 23 carry rivets 31 which function as connectors between one end of each reactance winding and lead-supported rectifiers 25. The amplifier is secured by screws 27 to a spacing member 26 which is attached to a multi-pin base 28 by'a snap-ring 29, connecting leads between the pins and the amplifier passing through holes 32 in the base members. The windings of the amplifier may be arranged as shown in Fig. 4, connection to an external circuit being effected at terminals 15, 16 and 33-36. As shown, the amplifier comprises a control winding 13, reactance windings 19a-19d and rectifiers 25a-25d which function with external impedances 38, 39 to produce an amplified control signal in a load 37 as described in Specification 703,438. An alternative arrangement, Fig. 5 (not shown), has the load 37 and impedances 38, 39 connected to terminals 35, 36 and .the a.c. supply connected to commoned terminals 33, 34. This arrangement provides a D.C. output in the load in response to an A.C. control signal or vice versa. The reactance windings and rectifiers may alternatively be connected to the terminals 33-36 as in Fig. 6 so that unidirectional currents pass through external impedances 38, 39, feed back being provided over winding 13b while control is effected over winding 13a. In the external circuit, a centre-tapped transformer 41 provides the A.C. energization. Mention is made of the use of an amplifier with six radial cores in threephase push-pull circuits.
Patent GB-979154-A (GB)
Title: New catalysts containing vanadium
Inventor: WOLF FRIEDRICH
IPC: B01J23/22
Filed: 1962-04-02
Abstract: Vanadium compounds are supported on SiO2 having a bulk density of 30-90 gms./litre and a surface area of 300 m.2/gm.  The silica may be prepared by combustion of SiCl4 or SiF4 or by treatment of silica gel, precipitated from waterglass solution with H2SO4, with methanol, glacial acetic acid, acetic anhydride or mixtures thereof.  Specified vanadium compound is potassium vanadate. Specification 954,499 is referred to.
Patent GB-866937-A (GB)
Title: Improvements in or relating to superheterodyne radio receivers
IPC: H03D5/00
Filed: 1958-04-22
Abstract: 866,937. Frequency amplitude/modulation receivers. GENERAL ELECTRIC CO. Ltd., and COMLEY, D. A. April 17, 1959 [April 22; 1958], No. 12721/58. Class 40(5) A superheterodyne f.m./a.m. receiver wherein the output of the intermediate frequency amplifier 1 is connected in series with the resistance 4 and capacitance 5 connected in parallel between the control grid and cathode of a pentode 3, a switch 10 being provided for rendering the anode circuit of valve 3 operative (as shown) for the reception of f.m. waves or inoperative (in the other position) by the insertion of a high resistance 9 in the anode circuit, so that in the former case the valve operates as an amplitude limiter the f.m. output of which is derived from ,the anode circuit through a ratio detector 14 and in the latter the control grid and cathode of the valve operate as a diode detector the a.m. output of which is derived from the resistor capacitor combination 4, 5. Further switches 21, 15 and 24 are ganged with switch 10 so that, in the position shown (for f.m. wave reception) a high potential is applied to cut off crystal diode 17 and remove switch 15, resistor 18 and capacitor 19 from the control grid circuit and capacitor 23 is short circuited since A.G.C. for amplifier 1 is not necessary due to the limiting action of valve 3. With the switches in the a.m. wave receiving position, valve 3 acts as a diode as already stated and the audio frequency output is applied to the amplifier via capacitor 16, diode 17 and switch 15, diode 17 now being biased into conducting condition, due to its connection to H.T. through switch 21, and acting as a noise limiter.
Patent GB-1267494-A (GB)
Title: Apparatus for recording outputs of spectral photometers
Inventor: LEBNIG WERNER
IPC: G01J3/28
Filed: 1970-03-17
Abstract: 1,267,494. Recording-apparatus. FARBENFABRIKEN BAYER A.G. March 17, 1970 [March 22, 1969], No.12731/70. Addition to 1,079,101. Heading G1U. The invention of the parent Specification is modified by associating only one switching cam with each measuring band and by adapting its switching width to the width of the associated band. As shown, a cam 4 is adjustable on a ring 3 on a recording drum and its width corresponds to that of a band 2 selected for measurement. While the cam 4 acts on a roller 6 of a microswitch 5 it is switched to position a for energizing an impulse relay 7 and thereafter switches to position b for energizing an impulse relay 8. Contacts 9, 10 of the relays 7, 8 switch a counter relay 11. Alternatively the switching "cam" is provided with a slot whose width is related to that of the selected band. The slot co-operates with a photo-electric device to cause energization of impulse relays which switch a counter relay.
Patent GB-601166-A (GB)
Title: Process for separating, according to specific gravity, of mixtures of solid materials, the particles of which differ mutually in size and specific gravity, especially of coal-containing mixtures
IPC: B03B5/34
Filed: 1945-05-22
Abstract: A mixture of solid particles which differ in size and specific gravity is floated in a liquid the specific gravity of which is between the specific gravities of the particles to be separated and is then treated under pressure in a cyclone separator. Liquids mentioned are solutions of potassium and calcium salts and organic fluids such as trichlormethane, tetrachlormethane and tetrachlorethane.  Specification 528,590 is referred to.