baber/WOPTO huggingface dataset:
Patent GB-1283482-A (GB)
Title: Circuit arrangement for television cameras
Inventor: SCHNEIDER HANS-DIETER
IPC: H04N5/073
Filed: 1970-04-22
Abstract: 1283482 Synchronizing circuits FERNSEH GmbH 22 April 1970 [25 April 1969] 19261/70 Heading H3A A circuit arrangement comprises an oscillator 2 in a TV camera 1 oscillating at the line frequency, the oscillator output or a signal derived therefrom, e.g. via pulse former 15 is delivered over a cable 3 to a phase comparison circuit 5 along with horizontal frequency pulses delivered at 13 in a control apparatus 4, the input impedance of circuit 5 being small compared to the characteristic impedance of the line of the cable 3 over which a control voltage output from circuit 5 is applied to control the frequency and phase of the oscillator 2. The oscillator 2 output may also be applied via deflection apparatus 8, 9, to a picture tube 10, the picture pulses after amplification being applied over line 11 to apparatus 4. To minimize inductive cross talk and disturbance in the picture signals, the shaped oscillator pulses from 15 may consist of two closely succeeding pulses of different polarity or of a pair of oppositely poled pulses (Figs. 2a, 2b, not shown) which may be transmitted during the line frequency fly-backs. Alternatively the picture signals may be used to modulate a high frequency oscillation lying outside the video band-width or synchronizing pulses may be injected into the picture signals.
Patent GB-153557-A (GB)
Title: Improvements in vacuum fuel feed tanks
IPC: F02M37/02
Filed: 1920-07-07
Abstract: 153,557. Seck, W. Nov. 6, 1919, [Convention date]. Vacuum apparatus.-In fuel-feed apparatus for an internal-combustion engine, suction acting through a pipe r on a piston c closes a valve e controlling the entrance of air through a filter 10. The suction then draws fuel into the float chamber until the float rises and cuts off the suction by means of a valve v. By means of a small hole x in the piston c, the pressure is equalized on both sides thereof, when the air valve e opens, so that the fuel escapes from the delivery passage 19 which contains a fuel filter in the enlargement 18. The tank is closed from above by a plug 4 screwing into a cap 7, which bears against a cross brace 9. A plug 21 allows access from below. The Specification as open to inspection under Sect. 91 (3) (a) also describes a modified form shown in Fig. 4 (Cancelled), in which the suction valve v is arranged above the air valve, both on the same stem. The valves are operated by the float through a collar p or a shoulder 34. This subject-matter does not appear in the Specification as accepted.
Patent GB-381236-A (GB)
Title: Improvements in and relating to brushes
IPC: A46B11/00
Filed: 1931-07-06
Abstract: 381,236. Reservoir brushes. HENRY, P., 6, Vaughan Street, Bradford, Yorkshire. July 6, 1931, No. 19376. [Class 19.] A brush of the liquidfeed type, comprising a stock in the form of a disc S having a feed nozzle J screwed thereinto at its centre and carried by a fitting J<1> which is attachable to a hollow handle, has an annular recess S<1> in the periphery of the stock S engaged by the lower edge of a rubber or like flexible band R which surrounds the bristles B, forms with the upper face of the stock a reservoir for the liquid, and also serves as a buffer at the edge of the stock. The head of a screw P<1> in the stock engages a dimple in the fitting J<1> to retain it in position. The band R may be formed partly of rubber and partly of leather, and the distance of its lip R<2> from the stock may vary from a small distance to adjacent to the brush point.
Patent GB-773207-A (GB)
Title: Improvements relating to aerials, especially television aerials
Inventor: CORK EDWARD CECIL
IPC: H01Q1/52
Filed: 1954-07-02
Abstract: 773,207. Aerials. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 1, 1955 [July 2, 1954], No. 19384/54. Class 40(7) A high-frequency transmitting aerial arrangement comprises an electrically loaded aerial mounted within a supporting metal structure having openings for the passage of wave energy therethrough. The loading causes the aerial currents to have a phase velocity substantially different from that in the support structure so as to reduce the coupling which would otherwise occur between the aerial and the structure. As shown the aerial consists of two collinear loaded dipoles 6, 7, 1.5# long and fed from the transmitter by feeder 8. Feeder and dipoles may be supported in any suitable manner inside an equi - angular triangular - sectional structure consisting of vertical aluminium masts 1, 2, 3 and bracing members &c. 5. The distance between the members 1, 2 and 3 may be #/2 and between members 5 at least #/4. If the current phase velocity in the aerial is of the order of three times that in the members 1, 2 and 3 coupling between the aerial and these numbers is negligibly small. Specification 628,986 is referred to.
Patent GB-774251-A (GB)
Title: Improvements relating to means for sealing the rams or pistons of fluid operated mechanisms
Inventor: COLLINS AUSTIN
IPC: F16J15/00
Filed: 1955-07-06
Abstract: 774,251. Piston packing. PRIMA INDUSTRIES, Ltd. Sept. 28, 1955 [July 6, 1955], No. 19468/55. Class 122 (1). A piston - packing arrangement, particularly for the ram of an hydraulic jack, comprises the normal resilient cup washer 12 and a deformable resilient ring 11 housed in an annular recess 101 in the face of the piston 10 and urged into contact with the cylinder wall by being compressed between the bottom 102 of the recess and the cup washer. The ring 11 may be a thick-walled rubber ring, as shown, or a solid ring of deformable resilient material or a thin-walled hollow metal ring. The washer and ring are steeped in the operating liquid prior to assembly and the liquid trapped in the space 104 between the washer and the ring acts as a lubricant. When the piston is pneumatically operated the space 104 is filled with a solid lubricant.
Patent GB-275597-A (GB)
Title: Improvements in and relating to photometric apparatus
IPC: G01J1/42
Filed: 1927-07-22
Abstract: 275,597. British Thomson-Houston Co., Ltd., (Assignees of Long, G. A.). Aug. 9, 1926, [Convention date]. Photometric apparatus.- The candle-power distribution curve of an electric lamp is plotted photographically with the aid of a photo-electric cell and an oscillograph. A lamp 2, supported on a stand 3 carrying a screen 4, by which the direct light is shielded from the recording apparatus, has its light reflected by a rotating reflector 8 on to a photo-electric cell 13. The reflector 8 is rotated by a motor 7. Direct light from the lamp is received by a similar cell C, the cell c and 13 being connected as shown in Fig. 2 to an electronic tube, in the plate circuit of which is situated an oscillograph B. A beam of light from the source 18 is reflected from the mirror 17 of the oscillograph B to a photographic plate in the camera 20 rotated in synchronism with the reflector 8 by a motor 24. Variations in luminosity between the reflected light from the mirror 8 and the direct light received by the cell C are thus transmitted to the oscillograph B and recorded on the protographic plate, the resulting curve being subsequently calibrated.
Patent GB-976236-A (GB)
Title: Improvements in or relating to velocity flow meters
IPC: G01F1/12
Filed: 1962-05-21
Abstract: 976,236. Rotary flow meters. PRESNA MECHANIKA, NARODNY PODNIK. May 21, 1962 [May 22, 1961], No. 19554/62. Heading F1F. A rotary flowmeter comprising a rotary indicator 7 driven by the fluid to be measured and coupled to a counter 10 includes upstream of the indicator an orifice plate comprising outer and inner coplanar rings 2, 3 in which the inner ring carries movable segments 4 adjustable from outside the flow meter body by means of a control shaft 6 to infinitely vary the crosssectional area of the orifice to correctly adjust the flow velocity of the flowing medium in accordance e.g., with its specific gravity, pressure &c.
Patent GB-237439-A (GB)
Title: Improvements relating to distributors for electric ignition systems
IPC: F02P7/00
Filed: 1924-08-19
Abstract: 237,439. Dooley, T., and Forrester, P. Aug. 19, 1924. R o t a r y distributors have the contact raceway consisting of an allmetal track formed of alternate live and dead segments a embedded in an insulating ring b, the whole track being completely detachable from the distributor casing e for renewal purposes. The live segments a are drilled' to received the terminal posts c which pass into slots f in the casing e as the raceway is placed into position. Terminal nuts d are provided to hold the connecting wires and raceway in position. The timing arm g is provided with three holes h for attachment to the control lever, corresponding to advanced, normal and retarded timing.
Patent GB-1387877-A (GB)
Title: Method and apparatus for leak testing containers and pipe lines
IPC: G01M3/32
Filed: 1972-04-27
Abstract: 1387877 Testing tanks, pipes and so on for leaks N G LINDEBERG 27 April 1972 [28 April 1971 24 May 1971] 19661/72 Heading G1S A tank 1 to be leak tested is connected to a vacuum pump 6 through a valve 3 and a non- return valve 4 and is in parallel with a flowmeter 12 having a float 13 normally preventing a photocell 15 and alarm 16 being energized by a light source 14. The pump 6 is also connected to a flow indicator 9 and a pressure control valve 10. A pressure meter 19 for indicating the pressure in the main conduit 2 behind the valve 4 is also provided. In operation, the valve 3 is closed and the pump 6 started until the required pressure is obtained in the conduit 2 by using the regulating control valve 10 and the flow indicator 9 to achieve a pressure balance of the required value. When this is obtained the valve 3 is opened and the tank subjected to this below atmospheric pressure, the flow from the tank passing through both conduits 2 and 11. If the tank is leak free then the flow through the conduit 11 will not be sufficient to lift the float 13 and give an alarm indication. In Figs. 2 and 3 both vacuum tests as before and above atmospheric pressure tests also may be made, the pump 6 acting both as a vacuum and a pressure pump and being connected to the conduit 2 through four way valves 20, 21 to enable a reversion of flow direction in the tank to be achieved whilst keeping constant flow  direction in the pipe 11, the point a of the valve 21 being open to the atmosphere.
Patent GB-786053-A (GB)
Title: Improvements relating to means for the printing of characters
IPC: B41J2/495
Filed: 1954-12-23
Abstract: 786,053. Printing. DIRKS, G. Dec. 23, 1954, No. 19697/56. Divided out of 786,024. Class 100(4) A printing device of the type claimed in Specification 786,024 comprises a single member for printing in a number of sideby-side denominations having a plurality of rows of spaced printing elements, one row for each denomination, and means for moving the paper towards the printing member selectively in dependence on the form of the characters to be printed. Fig. 2 shows a plate-like member adapted for to-and-from movement over the printing position and Fig. 3 shows an alternative cylindrical form which may be given continuous or to-and-fro rotation while impression members 7 rise and fall selectively to form characters such as that shown in Fig. 4. Specifications 786,021, 786,041 [both, in Group XIX], and 786,052 also are referred to.
Patent GB-422475-A (GB)
Title: Improvements in or relating to butchers' bow saws and the like
IPC: B23D51/12
Filed: 1933-07-12
Abstract: 422,475. Saws. HALL, E. O., 20, Osborne Road, Ainsdale, Southport, Lancashire. July 12, 1933, No. 19707. [Class 61 (ii)] The blade c of a butchers' bow saw is secured detachably to the frame a by forming the blade with slots c<1>, c<2>, to engage hook like projections a<1> and d<1> provided respectively on the front arm of the frame and on the tensioning bar d actuated by the pivoted cam lever f, which has a flat edge to lie against the saw frame when in tension.
Patent GB-319850-A (GB)
Title: Improvements in methods for obtaining chemically active anhydrous oxide of aluminium,and its uses
IPC: C01F7/308
Filed: 1928-07-06
Abstract: 319,850. Blanc, G. A. July 6, 1928. Aluminium oxide is obtained in a chemically active anhydrous state by heating hydrated aluminium nitrate at 140-180 C. under atmospheric pressure. Specifications 181,677 and 246,827 are referred to.
Patent GB-569581-A (GB)
Title: Improvements in or relating to screw-threaded elements
IPC: F16B33/02
Filed: 1943-11-26
Abstract: 569,581. Bolts, studs, &c. STEINLE, L. C., and HANWELL, C. H. Nov. 26, 1943, No. 19801. [Class 89 (i)] In order to render bolts, studs, &c. self locking the threads are formed with a portion of continuously varying pitch. The invention is particularly applicable to studs for use in aluminium, &c. crank cases. The leading end of the stud is furnished with say eight threads a of standard form followed by four threads b, c, d, e, of continuously decreasing pitch but of standard crest, root and effective diameter. If the stud is for an under compression then the threads b to e are of increasing pitch. The threads are generated as described in Specification 516,233, [Group XXII].
Patent GB-1508234-A (GB)
Title: Fuel injection pumps
IPC: F02M41/12
Filed: 1975-05-12
Abstract: 1508234 Fuel injection pumps ROBERT BOSCH GmbH 12 May 1975 [17 Oct 1974] 19803/75 Heading F1A In a fuel injection pump having a reciprocating piston 4 which rotates to distribute fuel pumped from a working chamber 6 through passages 15, 18 and a longitudinal groove 19, in turn, to a plurality of pressure conduits 20, during each suction stroke of the piston 4 a further longitudinal groove 29 is arranged to connect one of the pressure conduits 20 to the pump suction chamber 9. The groove 29 is arranged to substantially cancel out the radial forces on the piston during delivery. The connection to the suction chamber is established by way of a passage 29, the passage 15 and the working chamber 6, the latter being at this time connected to the suction chamber 9 through a bore 8 and which ever of a plurality of grooves 7 is registered therewith. An axially adjustable annular control valve 17 co-operates with a transverse spill bore 16 to control the quantity of fuel delivered.
Patent GB-516732-A (GB)
Title: Improvements in or relating to hangers and containers for garments
IPC: A47G25/36
Filed: 1938-07-04
Abstract: 516,732. Garment hangers. BUTWICK, H. S. July 4, 1938, No. 19812. [Class 52 (v)] A garment hanger of the type made from a stiff blank of cardboard, fibre &c. with flap portions 8 foldable to provide shoulder supports of some thickness has an integral open hook 14 for suspension, and preferably also a tab 17 which may be'bent at right angles and secured to the wall of a collapsable box &c. by staples, adhesives &c. a line 21 of perforations enabling the hanger to be.severed from the tab when the goods are unpacked. The shoulder flaps are foldable about diverging creases 10, 11 and secured by tabs 12 and slots 13. A trouser slot 23 may be formed by slitting and rolling over a part of the blank.
Patent GB-376499-A (GB)
Title: Apparatus for gauging the shape and pitch of toothed gearing
IPC: B23F23/00
Filed: 1931-07-09
Abstract: 376,499. Gauging toothed gears. SOC. ANON. DES ENGRENAGES CITROEN, 31, Quai de Grenelle, Paris. July 9, 1931, No. 19817. Convention date, July 10, 1930. [Class 106 (ii).] The gear to be tested is rotatably mounted on a fixed axis and a finger is slidably mounted on the gear support to be displaced towards and contact with the gear which displacement is indicated, the finger being also displaceable tangentially to the gear to rotate it through a distance equal to the pitch of the teeth. The wheel R is mounted on a fixed axis and the gauging apparatus B carried on a slide 13 is provided with rack teeth T1, T2 constituting feeling fingers. Each of these fingers has two movements radially and tangentially of the wheel. The movement in the direction F1 corresponds to pitch and is obtained by means of slides 3, 4 moved by screws. Movements in the direction F2 are obtained by slides 5, 6 also moved by screws 12. An edge 14 of the slide 13 contacts with the external surface of the gear wheel for correctly positioning the gauge. In use, one finger T1 located at the starting point of the movement in the direction F1 is moved to penetrate into the teeth until it touches the profile of the gear. The dial indicator C is then set to zero. The indicator may be engaged by either of two levers 15, 16 on the ends of the fingers. The finger is then moved in the direction F1 through a distance which corresponds to the pitch and which is determined by a fixed stop. The gear wheel has thus been turned through exactly the pitch. The second finger T2 is now moved into contact with a tooth and the dial gauge should still read zero. One finger may be used merely for turning the gear wheel, the other, which is fixed in the direction F1 being used to penetrate into the teeth.
Patent GB-688301-A (GB)
Title: Improvements in or relating to electric generators
IPC: H02K21/16
Filed: 1950-08-10
Abstract: 688,301. Machines with permanent magnets. RUDIN, P. Aug. 10, 1950, No. 19940/50. Class 35. A permanent magnet generator used for lighting and heating in motor cycles, motor cars, &c. has a rotor with a plurality of permanent magnets 3 and pole shoes 4 secured to a common core piece 2 keyed or shrunk on to a shaft 1. The stator which surrounds the rotor has an equal number of radially inwardly disposed poles 15, the coils 14 of which are retained in place by insulating discs 16 inserted in grooves 17 formed in the sides of the stator poles 15. To obtain high output, e.g. industrial purposes, a second or even several sets of rotors and stators of the same size may be mounted on the same shaft.
Patent GB-148110-A (GB)
Title: Improvements relating to grinding discs
IPC: B24D5/06
Filed: 1920-07-09
Abstract: 148,110. Zahnrõderfabrik K÷llmann Akt.-Ges. Feb. 4, 1916, [Convention date]. No Patent granted (Sealing fee not paid). Wheels. - A grinding-disk comprises a metal body a having in its periphery a groove b, in which are mounted grinding-bodies c formed as circular disks each having a section of predetermined shape. The disks are all placed at the same distance from the axis of the body a, and are held in position by bolts d adapted to draw the edges of the groove together. In order to bring another portion of the grinding-surfaces into action, the bolts are loosened and the disks are turned thereon. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of grinding- bodies c formed as parts of circular disks; the axes of the grinding-bodies may be inclined to the axis of the body a and all makes the same angle therewith. This subject-matter does not appear in the Specification as accepted.
Patent GB-586884-A (GB)
Title: Improvements in or relating to cocks
IPC: F16K3/26
Filed: 1944-10-17
Abstract: 586,884. Valves. BEESTON, J. P. Oct. 17, 1944, Nos. 20054/44 and 20081/45. [Class 135] A cock comprises a hollow plunger 23, closed at its inner end and retained in the body 10, and controlled by a quick-pitch nut 17 having a notched flange 20, said nut and flange being rotatable -to a position in which the plunger is removable without detaching the nut from the body. The plunger carries a delivery head 24 having an outlet 25 and restrained from rotation by a lug 26 slidable in an axial slot 15 in the body. On rotating the nut, the plunger moves inwardly and pushes the piston 32 into the cup-shaped member 30, the chamfered open end of which is unseated from a corresponding chamfer in the body and allows fluid to flow from the inlet 11, through the transverse ports 27 in the plunger to the delivery head. On withdrawing the plunger from the body leakage is prevented by the reseating of the cup-shaped member and the piston entering the body bore 12. The plunger may be adapted for connection to a hose. In a modification in which the cock is applied to a cistern the nut is rotatable by a float. Fig. 6 shows a modification in which the cock is operated manually by a lever 44, having a yoke and trunnions 47 at its lower end engaging the nut, the cock being kept open or closed by a ring 51 and ball and notch 49 operated by the float 50. Fig. 7 shows a further modification having an outlet spout 62 integral with the body, the plunger having additional ports 71, and the cup-shaped member 82 a valve 83.
Patent GB-1088259-A (GB)
Title: Process for the preparation of a grease
IPC: C23F11/08
Filed: 1965-05-12
Abstract: In a process for preparing a grease comprising a lubricating oil, a thickener and sodium nitrite, the sodium nitrite is added to the grease-forming mixture in the form of an intimate premixture with oleophilic clay, the amount of sodium nitrite in the premixture being at least 100 weight per cent of the weight of the clay.  The premixture may also contain 30-50 weight per cent of a lubricating oil (e.g. a mineral oil), and a small proportion of a surfactant (e.g. sorbitan monooleate or a long-chain alkylimidazoline). Suitable oleophilie clays are exemplified, including those typically used as grease thickeners.  In an example, the premixture is added to conventional greases in which the thickener is a clay, a lithium soap or a calcium soap.
Patent GB-315356-A (GB)
Title: Process of polymerising hydrocarbons of the butadiene series
IPC: C08F36/04
Filed: 1929-07-01
Abstract: 315,356. I. G. Farbenindustrie Akt.- Ges. July 12, 1928, [Convention date]. Caoutchouc, synthetic.-Butadiene hydrocarbons are polymerized by-means of sodium hydride. In an example, liquid butadiene is agitated in an iron pressure vessel with sodium hydride at 30-50‹ C., the sodium hydride being removed from the product by treatment with alcohol or by dissolving the polymerization product in a solvent. The Specification as open to inspection under Sect. 91 (3) (a) includes an example in which butadiene mixed with benzene (free from thiophene) is heated with sodium hydride at 30-40‹ C. in a pressure vessel, the reaction mass being then diluted with acetone to precipitate the polymerization product, which is washed with alcohol and then with water. This subject-matter does not appear in the Specification as accepted.
Patent GB-1339346-A (GB)
Title: Punching machine
IPC: B26F1/44
Filed: 1971-04-19
Abstract: 1339346 Cutting-out tools MITSUBISHI MONSANTO CHEMICAL CO 19 April 1971 [25 Feb 1970] 20209/71 Heading B4B A tool 1 for cutting workpieces from sheet material comprises a punch member having a blade 4 adapted to mate within a die member formed from a flexible cutting blade 2, the mating surfaces of the die cutting blade 2 being bowed inwardly at 8 so as to maintain contact with the punch blade during a cutting operation. The cutting blade 2 in addition to having bowed wall surfaces is formed with inclined cutting edges as shown in Fig. 2 and with points 6 which reduce the pressure required for cutting.
Patent GB-676169-A (GB)
Title: Electric high pressure discharge lamp
IPC: H01J61/26
Filed: 1950-08-15
Abstract: 676,169. Discharge lamps. PATENT TREUHAND GES. FUR ELEKTRISCHE GLUHLAMPEN GES. Aug. 15, 1950 [Aug. 20, 1949], No. 20235/50. Class 39 (i). Blackening of the walls of a discharge tube by sputtered electrode material is prevented by addition of a substance, e.g. chlorine, nitrogen, carbon monoxide, which reacts with the deposit to produce a volatile compound which decomposes at high temperatures, e.g. on the glow electrodes releasing active gas. A small quantity of reagent may be added to, e.g., a mercury vapour xenon filling or the reagent only may serve as the gas-filling. Alternatively the substances may be stored chemically or physically for periodic cleansing of the lamp or released by, e.g., external heating of the lamp or the lamp may be opened after a period of use for cleaning. Low temperature electrode parts and leads which might be attacked by, e.g., chlorine are protected by a sheath of, e.g., quartz or ceramic. The lamp may have an additional heating coil maintained at a higher temperature than the main discharge electrodes whereby the decomposition of the volatile substance and consequent deposition of metal takes place at heater instead of building up on the main electrodes.