baber/WOPTO huggingface dataset:
Patent GB-111254-A (GB)
Title: Improvements in or relating to the Treatment of Soil for Improving its Productivity.
IPC: A01N25/00
Filed: 1917-06-20
Abstract: 111,254. Thames Bank (Blackfriars) Iron Co., Hopkins, S., and Greaves, A. D. June 20, 1917. Sterilizing land and soil.-Soil is treated to improve its productivity by directing upon its surface for several hours water in a jet or spray at a temperature which when the water reaches the surface on to which it falls is between 180 and 210‹ F. When a crop has been raised upon the soil, the above operation may be preceded by the removal of the roots of the crop and the delivery for a few minutes into the cavities thus left of a jet of hot water which when it reaches the cavities is between 180 and 210‹ F. and is preferably at 190‹ F.
Patent GB-1261143-A (GB)
Title: Improvements in and relating to photographic cameras
IPC: G03B7/16
Filed: 1969-02-19
Abstract: 1,261,143. Camera diaphragm control. RICOH K. K. Feb.19, 1969 [Feb.29, 1968], No.8872/69. Heading G2A. The diaphragm of a camera is controlled normally by the light incident upon a light-sensitive cell, but upon insertion of a flash-bulb the diaphragm is controlled by the focus adjustment of the camera. Diaphragm blade 20, 21 are mounted on pins 22, 23 and coupled by a pin and slot arrangement 20a, 24. A lever 26 pivotted at 29 has a slot 26a for receiving a pin 25 rigidly connected to one diaphragm blade and adjusts the aperture size. The other end of lever 26 has a pin 29 engaged in slot 30a of a lever 30, lever 30 pivotting about pin 31 until a profiled surface 30b engages a galvanometer pointer 35 clamped between a fixed plate 34 and a spring loaded plate 32. A lever 1 pivotted at 2 is coupled at one end via coupling 4a to a sliding depth of field indicator 4, 5, 6, one, 1a, of a pair of arms forming the other end of the lever carrying a pin 3 which engages a cam surface 19 of the lens focusing barrel. The other arm 1b of lever 1 engages a bent portion 8ba of an aperture control lever 8 which is pivotted also about pin 2. Lever 8 has a profiled surface 8a for engagement with a bifureated arm 26b of the coupling lever 26, a pin 9 mounted on lever 8 engages a bent portion 10c of a flash synchronizing lever 10. In the position shown, the engagement of pin 9 and portion 10c maintains surface 8a and arm 26b out of engagement, and the diaphragm is controlled by the incident light. However, the insertion of a flash-bulb into the flash apparatus (not shown) causes lever 10 to move upwards, thus allowing lever 8 to move with lever 1 resulting in control of the aperture by the focus adjustment. The shutter consists of overlapping blades 14, 15 and operate in a manner described in Specification 1, 261, 142.
Patent GB-1278527-A (GB)
Title: Device for measuring and recording the relative spacing and speed of objects passing a fixed point
IPC: G01P3/66
Filed: 1970-02-24
Abstract: 1278527 Measuring traffic characteristics L'ECLAIRAGE DES VEHICULES SUR RAIL 24 Feb 1970 [5 March 1969] 8916/70 Headings G4H and G4Q Apparatus for measuring the speed and separation of objects, e.g. automobiles comprises two detectors 11, 12, which may be inductive loops, a fixed distance apart. Detector 11, switches on an AND gate 18 by means of bi-stable flip-flop 15, starts counter 19 recording clock pulses from pulse generator 13. Detector 12 switches off AND gate 18 and stops the count. The total count is proportional to the vehicle speed, and is recorded by readout unit 29. Counters 21 and 22 are switched between alternate counting states (i.e. 21 counting, 22 off and vice-versa) by successive operations of detector 11 controlling AND gates 17, 16 via flip-flop 14, to control clock pulses from pulse generator 13. The total count is this time proportional to the distance separating consecutive vehicles, and is recorded by readout unit 29.
Patent GB-119053-A (GB)
Title: Improved Means for Promoting the Circulation of Water in Steam Generators, more particularly Boilers of the Scoth Marine Type.
IPC: F22D7/00
Filed: 1917-06-22
Abstract: 119,053. " Perfecta " Boiler Circulator, Ltd., Ayers, P. C., and Josling, H. W. E. June 22, 1917. Partitions and baffles in water space.-To promote the circulation in a marine boiler, a hood or curved deflecting plate 10 having depending side plates 12 is fitted in front of the combustion chamber across the full width of the smoke-tubes, and a plate 13 is arranged to extend forwardly at an angle on one side of the hood so as to direct the circulation current across the boiler. A curved deflecting plate 9 extends from side to side of the boiler over the water space at the back of the combustion chamber. The deflecting plates are suspended from the boiler stays by hooked bolts 14. The plate 13 is secured at its upper edge to a bar attached to the stays.
Patent GB-472328-A (GB)
Title: Improvements in or relating to internal combustion and combustion-product engine assemblies
IPC: F02B75/24
Filed: 1936-03-26
Abstract: 472,328. Plant. MAINA, J. March 26, 1936, No. 8996. [Classes 7 (i) and 7 (ii)] An engine assembly consists of superposed units, each unit having one or more pairs of horizontallyopposed cylinders, all the cylinder axes being parallel. A central shaft h between the units is geared to the upper and lower crank-shafts which rotate in the same direction, while the movements of the reciprocating parts of the two units are opposite to each other. Crank-shafts as described in Specification 450,846, [Group XXVI], and gearing as described in Specification 472,318, [Group XXXIII], may be used. Engines with pressure generators, forming combustion-product engines as described in Specification 447,266 may also be used, one cylinder of each aligned pair being an air compressor delivering to the pressure generator and the other cylinder being a power cylinder receiving products from the generator. Compressor and power cylinders of different pairs may be cross-connected.
Patent GB-1155505-A (GB)
Title: Electric Contact Mechanism
IPC: H01R12/70
Filed: 1968-02-23
Abstract: 1,155,505. Push-button switches. TELEFONAKTIEBOLAGET L.M. ERICSSON. 23 Feb., 1968 [24 Feb., 1967], No. 9022/68. Heading H1N. Spring contacts 13, 14 each comprise a U- shaped member having a spiral 19 pushfitting into recesses 21 in an insulating elastic support 2 on a printed circuit member 1, a spiral 20 to absorb the strains during actuation, and a part 17 co-operable with a part 18 of a fixed contact 12. On depression of a button 3 against a spring 10, initially spirals 20 are received in recesses 24 of a part 23 on button 3, and then part 23 displaces contacts 13 laterally into engagement with contacts 12 and thereafter surfaces 28 on part 23 slide down between spirals 20 to prolong contact closure (Fig. 2). Member 1 may be provided with a plurality of buttons 3 on individual supports 2. The straight arm of contacts 13, 14 and contacts 12 are connected to printed circuitry on the lower side of member 1.
Patent GB-792143-A (GB)
Title: Improvements in and relating to electric accumulator cells
IPC: H01M50/457
Filed: 1956-03-22
Abstract: 792,143. Batteries. AKTIEBOLAGET TUDOR. March 22, 1956 [March 26, 1955], No. 9024/56. Class 53. In an accumulator cell, e.g. of the lead-acid type, a perforated foil of insulating material which is bent to form ridges 4 is interposed between the flexible sheet of fibrous material adjacent each positive plate and the rigid sheet of microporous material adjacent each negative plate, the greatest width of the ridges 4 being less than the width of the plane parts 7 between the ridges and the plane parts 7 abutting the fibrous material. The foil may be polyvinyl chloride, the fibrous material may be glass wool and the microporous material may be microporous rubber. The ridges may be of the shape shown or may be V-shaped or trapezoidal in section or may broaden outwardly in section. The angle between the edge of each ridge and the plane part should be more than 45 degrees and preferably 75-90 degrees. A further separating layer may be inserted between the microporous sheet and the negative plate.
Patent GB-590469-A (GB)
Title: Radio detection system
IPC: G01S13/82
Filed: 1944-05-11
Abstract: 590,469. Radiolocation. STANDARD TELEPHONES & CABLES, Ltd. May 11, 1944, No. 9034. Convention date, Nov. 28, 1942. [Class 40 (v)] In a pulse radar system in which the frequency of the transmitter and the receiver is cyclically varied over a wide band to minimise detection and/or jamming by the enemy, the transmitter is continuously matched to its aerial by including an adjustable network which is varied in accordance with the variation of the transmitting frequency. In one embodiment, Fig. 2, the variable condenser 51 in the tuned anode circuit of the transmitter oscillator and the variable condenser 54 in the receiver tuned circuit are continuously varied by the motor 25 which may be controlled by the rheostat 58 and the radiation characteristic of the transmitting aerial 12 is maintained constant by simultaneously varying the condenser 61 in the impedance adjusting network 60. The frequency variation may be made more complex by replacing each variable condenser by two variable condensers in parallel which are driven simultaneously at different rates over different frequency ranges, Fig. 4 (not shown). In another embodiment, Fig. 3 (not shown), the tuning is varied by moving the cores of inductances in the tuned circuits and the impedance of the aerial matching network is varied by moving a shorting bar along a matching stub. The complex frequency variation is obtained by replacing the inductances by two inductances in parallel and by integrating the two driving movements to vary the shorting bar in a corresponding manner. Specifications 552,072, 590,480 and 14942/41, as open to inspection under Sect. 91, are referred to.
Patent GB-1113320-A (GB)
Title: A furnace gasket
Inventor: DOMRES HANS-GEORG
IPC: F27D11/00
Filed: 1967-02-24
Abstract: 1,113,320. Induction furnaces. BROWN BOVERIE & CO. Ltd. 24 Feb., 1967 [26 Feb., 1966], No. 9041/67. Heading H5H. [Also in Division F2] A gasket (see Division F2) for sealing the inductor unit when it is attached to a furnace which is still hot comprises one or more wire mesh webs 3 held in a frame 1, 2 and coated with a mixture of granulated or powdered magnesium oxide and bitumen. During service, the heat causes the bitumen mass to become coked and the material sintered. The gasket may be provided with a layer of chromium oxide or magnesium oxide for preventing damage when the joint is broken; in addition, the gasket may be provided on both sides with a layer of asbestos board to prevent the material from becoming prematurely soft when inserted between heated parts.
Patent GB-509807-A (GB)
Title: Improvements in scissors, shears and the like
IPC: B26B13/02
Filed: 1938-03-24
Abstract: 509,807. Scissors &c. EVANS, O. (Rommler Akt.-Ges., H.). March 24, 1938, No. 9083. [Class 30]' The shanks 4 of hand shears, scissors and the like are made of artificial resin and the cutting edges 1 of steel. The two are united by pressing, rivets being formed by resin which passes through holes 2.
Patent GB-651717-A (GB)
Title: Improvements in or relating to sprayers for disseminating powders or like finely divided discrete substances
IPC: B05B11/06
Filed: 1947-04-03
Abstract: 651,717. Powder distributers. GENERAL STAMPERS, Ltd., and LEER, W. VAN. April 3, 1947, No. 9151. [Class 18] A powder distributer comprises a powder chamber 4 and a pump cylinder 5 arranged coaxially and in communication directly or indirectly through a ball valve 28 at one end of the powder chamber, so that the powder can be agitated by an air stream traversing the greater part of the length of the container and expelled in the form of a spray through a nozzle 22 located outside the powder container at the other end. As shown in Fig. 2. the ball valve 28 is on the wall of the pump cylinder 5 thereby permitting air to flow into the rear end 25 of a partitioned conduit 19 and thence through a hole 26 into the powder chamber from which powder is expelled through a hole 31 and the nozzle 22. Alternatively, the partition 23 in the conduit may be replaced by a partition 23a, Fig. 6 (not shown), which allows part of the air stream to flow directly through the conduit without entering the chamber 4. In a modification, Fig. 7, the valve 28 is located in the partition wall 3 separating the chambers 4, 5 and the conduit terminates adjacent the hole 31. The conduit 19 consists of an inverted channelshaped member tapering towards the nozzle and having flanges soldered or otherwise secured to the container wall which may consists of a single tube 1, Fig. 2, or two tubes connected by a flanged partition 3, Fig. 7. The powder chamber has a detachable cap 16 for refilling purposes.
Patent GB-725992-A (GB)
Title: Improved wax composition
IPC: C09J191/08
Filed: 1953-04-02
Abstract: A composition comprises a major proportion of a hydrocarbon wax, e.g. paraffin, microcrystalline and scale waxes, and a minor proportion, preferably 1-25 per cent, by volume, of a styrene-butadiene copolymer having an intrinsic viscosity in the range 0.08 to 0.30. Polyethylene (M.W. 7000-25,000), preferably 1-10 per cent by volume, may also be included.  The copolymer, which may include 0.1 to 0.5 per cent maleic anhydride as a third component, has a preferred composition within the ranges 15-25 per cent styrene and 75-85 per cent butadiene.  An example describes the copolymerization of 80 parts butadiene, 20 parts styrene under pressure in dioxane and isopropyl alcohol, using a sodium catalyst.  The catalyst is quenched with glacial acetic acid, excess of which is neutralized with anhydrous ammonia and the copolymer filtered and vacuum distilled. The compositions possess enhanced adhesive properties and are suitable as coating or laminating agents.
Patent GB-357554-A (GB)
Title: A coin-freed apparatus for playing a selected record from a given number
IPC: G07F17/30
Filed: 1930-03-22
Abstract: 357,554. Coin-freed gramophones. SMITH, G., 34, Clieveden Road, Thorpe Bay, Essex. March 22, 1930, Nos. 9209 and 29290. [Class 27.] Coin action, weight.-An apparatus for reproducing sound comprises a plurality of gramophone turntables mounted on a rotatable carrier which can be turned so that any desired record may be brought into the position for reproduction by an electric pick-up and coin-freed mechanism can be actuated to rotate the said record and to place the electric pick-up in playing position. A plurality of turntables a carrying sound records b are arranged on a vertically-disposed carrier c which can be turned by a handle on a shaft h to bring the desired record into a position for reproduction. After a record has thus been selected a coin is inserted in a slot 5 to disengage a detent lever 8, Fig. 14, from a pin 14 so that a control lever 9 is turned on a pivot 10 by a spring 13 to cause a spring arm 15 to close the circuit of a driving motor 16 through a contact 17. At the same time the end of a rod 19 pivoted to the control lever 9 causes an adjustable collar 24 to engage an arm 21 of a counterbalanced lever 22 to insert a pin 25 in a gap 26 in a collar 27 mounted on the shaft h to keep the carrier c stationary until lever 9 returns to its normal position. When the circuit of the motor 16 is closed a worm wheel 42 is driven and a lever 45 descends whereupon an arm 67 is caused to move to the dotted position shown in Fig. 5, so that the pick-up e is lowered into contact with the record. The arm 67 also carries a pin 37 which moves the members 74, 75 of two switches into engagement with their co-operating contacts when the arm 67 is moved in that direction. One of these switches closes the circuit of the driving motor through an alternative path and the other closes a gap in a branch of the circuit by which electromagnets 50 can be energized. On the completion of a record a contact 80 on the pick-up carrier contacts with one of a number of rods 79, which are adjustable in length for different playing times of records, to close the circuit of the electromagnets 50 which causes the lever 45 to be raised to move the arm 67 to the left-hand of Fig. 5 and'return the pick-up to the inoperative position. At the same time the pin 73 withdraws the detent 76 from its operative position so that first the arm 75 and then the arm 74 is pulled off the respective co-operating contacts to open the respective branch circuits controlled thereby.
Patent GB-154121-A (GB)
Title: Improvements in and connected with oil fired furnaces especially applicable for heating rivets
IPC: F23C99/00
Filed: 1920-03-30
Abstract: 154,121. McNeill, R. March 30, 1920. Metal-heating furnaces.-An oil-fired furnace of the type in which air and liquid fuel are fed to the burner or burners under equal automatically adjusted pressures comprises an air chamber 11 with means for feeding air under pressure to it, a superimposed fuel chamber 10 formed in one with the air-chamber, and an air supply pipe 23 leading to. the burner 19 and having an orifice or orifices 26 opening into the fuel-chamber above the level of the fuel. The rivet-heating furnace shown comprises a tray 14 mounted above the oil reservoir and carrying a refractory hearth 15, together with an apertured top-plate 16. The burner is surrounded by a funnel-shaped casing 20 with apertures 21 for the supply of cooling air. The oil-pipe 22 enters within the air-pipe 23, the air passing up the space between them.
Patent GB-418177-A (GB)
Title: A charge heating and mixing device for internal combustion engines
IPC: F02M1/00
Filed: 1934-03-24
Abstract: 418,177. Heating charge. WALSH, R., 23, Audley Range, Blackburn. March 24, 1934, No. 9242. [Class 7 (iii).] A charge heating and mixing device comprises a hollow flange D adapted to be secured between the carburetter and induction pipe flanges and bored to receive a channelshaped ring d of thin metal which projects slightly into the induction passage. The flange has an exhaust inlet nipple d<1> and a smaller outlet nipple d<2> and the annular passage around the ring is constricted towards the outlet side. One or more tubes may extend across the ring to increase the heating surface.
Patent GB-386830-A (GB)
Title: Improvements in vacuum operated piston apparatus
IPC: F01B29/02
Filed: 1932-03-31
Abstract: 386,830. Cylinders. NATIONAL PNEUMATIC CO., 420, Lexington Avenue, New York, U.S.A. March 31, 1932, No. 9291. Convention date, April 9, 1931. [Class 122 (i).] A pneumatic door-operating unit has two pistons working conjointly in one cylinder and a device for cushioning the movement at the ends of either stroke. The cylinder A, B contains two pistons T, U connected by the hollow piston-rods O, P. These form the cylinders of pistons G, R, having hollow rods V, W. When the port K is open to suction and the opposite end port open to pressure the pistons T, U with the door - operating member N move to the left. Atmospheric air entering the port 5<1> past the ball valve 9 similarly moves piston G to the left until the rod V engages the cylinder end when the air contained in the cylinder O to the right of the piston will be trapped, only escaping slowly through the restricted port 7, thus cushioning the stroke. Rings Ta, Vc of absorbent material are provided to retain lubricating oil which is introduced into the cylinders through the ports closed by plugs 3, 4.
Patent GB-1044597-A (GB)
Title: Low-pass filter device for signals amplitude modulated on a carrier wave
IPC: H04B1/12
Filed: 1965-03-04
Abstract: 1,044,597. Filtering systems. BOFORS A.B. March 4, 1965 [March 13, 1964], No. 9316/65. Heading H4R. In an arrangement for the low-pass filtering of a very low-frequency signal amplitude-modulated on a carrier, e.g. 400 c/s., to remove disturbances and harmonics, the signal is demodulated at 1, fed through a high-pass filter 3, amplitude-modulated at 4 on a carrier of the same frequency and phase and combined with the original modulated signal in a subtracting circuit 5.
Patent GB-659934-A (GB)
Title: Improvements relating to mechanical seals
IPC: F16J15/38
Filed: 1949-04-06
Abstract: 659,934. Stuffing boxes. , FLEXIBOX, Ltd., and PORGES, F. B. April 6, 1949, No. 9358. [Class 122(v)] In a rubbing collar device wherein a sealing ring E is interposed between one of the sealing rings i and a plate j secured to a housing b, the cylindrical face of the plate j engaged by the ring k is ser. rated or roughened to prevent relative movement. The cylindrical face of the ring i engaged by the ring k may also be similarly treated.
Patent GB-473529-A (GB)
Title: Combined level and square
IPC: G01C5/00
Filed: 1937-04-02
Abstract: 473,529. Cross - staves; levels. ROGGERO, C. April 2, 1937, No. 9387. [Class 97 (ii)] A pendulous box D is universally suspended in a stirrup C and is provided in the upper part with narrow horizontal slits E each opposite a wider horizontal aperture El and in the lower part with narrow vertical slits G, K, L, H, each opposite a wider vertical aperture G<1>, K<1>, L<1>, H<1>, a cross hair T being provided in each wider aperture. A pair of threaded weights Pare adjusted on screws Q at right-angles at the bottom of the box so that the latter hangs vertically. By sighting so that a horizontal cross hair T appears in the middle of the corresponding slit E, the vision extends through a horizontal plane and by sighting with a vertical cross hair in the middle of the corresponding vertical slit the vision extends through one of a series of vertical planes passing through the vertical axis of the apparatus and at 45‹ to each other as shown in Fig. 6. Masks M, M<1>, N, N<1> confine the vision through a vertical slit to the corresponding vertical aperture. The stirrup C is rotatably mounted about a vertical axis in a block A carried by a stand B and is provided with an index mark moving adjacent graduations on the block A.
Patent GB-836370-A (GB)
Title: Improvements in high current rectifier
IPC: H01L23/36
Filed: 1957-03-22
Abstract: 836,370. Semi-conductor devices. GENERAL ELECTRIC CO. March 22, 1957 [March 22, 1956], No. 9442/57. Class 37. In a rectifier unit designed to carry heavy current, a pellet 11 of N- type semi-conductor material, such as germannium or preferaby monocrystalline silicon, which has a P-N junction formed on one surface 12 by alloying and diffusion of an acceptor impurity, e.g. aluminium, and a coating of gold or the like to provide an ohmic connection on its other surface 13, is mounted between plates 14, 15 preferably of molybdenum, on a copper stud 16, threaded at its lower extremity for screwing into a heat sink, contact with the plate 14 being made by a spring clip 23, the ends of which are connected to a ring 25 of steel &c. which encircles the stud 16 to which it is insulatingly secured by a ceramic ring 20 and an annular clip 22 of cold rolled steel, fernico, &c., which is silver brazed to a metallized surface of the ceramic, and the unit is sealed by a flanged cup-shaped member 27 of steel &c. which is mounted on a flange 26 of the ring 25 and which comprises an exhaust tube 29 and a collar 33 connected to a terminal 35 via a flexible conductor 34. A gap 30 between the ceramic ring 20 and the stud 16 reduces the risk of short-circuiting due to dust on the ceramic. In a modification, ring 25 comprises a flange at its lower end to secure it to the ceramic ring, which is not shelved. Specifications 772,853 and 777,985 are referred to.
Patent GB-1368860-A (GB)
Title: Clamp for use in erecting display and like structures
IPC: F16B12/02
Filed: 1973-02-28
Abstract: 1368860 Clamps ROE SHOPFITTINGS Ltd 28 Feb 1973 [1 March 1972] 9451/72 Heading E2B A clamp for securing elements at right-angles comprises two (or more) sockets 11, 12 each having a flexible, e.g. plastics insert 17, which is deformable by a screw 13 to provide grip. For gripping panes of glass the sockets are provided with soft, U-shaped liners (25, Fig. 3, not shown).