baber/WOPTO huggingface dataset:
Patent GB-252804-A (GB)
Title: Improvements relating to wireless and wired wireless systems
IPC: H01Q1/52
Filed: 1925-03-07
Abstract: 252,804. Le Tall, F. W., (Westinghouse Electric & Manufacturing Co.). March 7, 1925. Duplex signalling.-In order to neutralize the effect of a transmitting aerial 1 on a receiving aerial 2 associated therewith, the aerials are connected by two impedances 22, 24 in shunt. These impedances are connected at one end to the same point 19 between the condenser 8 and inductance 9 of the receiving aerial, but at the other end two different points a, c in the induct ance 3 of the transmitting aerial, these points being located on opposite sides of the point b to which the transmitter earth lead is connected. The E.M.F. in the receiving inductance 9 due to radiation from the transmitting aerial 1 is represented by the vector 25, Fig. 2. This is neutralized by an equal and opposite vector 26 made up of a vector 28 representing the E.M.F. due to the condenser branch 22 and a further vector 27 for the resistance branch 24. Specifications 130,090, 146,562, 192,183, and 222,864 are referred to.
Patent GB-611536-A (GB)
Title: Hammer-locked struts for mine arches and like constructions which need lateral support
IPC: E21D11/28
Filed: 1946-03-01
Abstract: 611,536. Jointing. RICHARDS, D. D. March 1, 1946, No. 6344. [Class 83 (iv)] [Also in Group X] A strut 1 of angle, square, circular, tee- or channel-section is joined to a flanged member 3 by cutting a notch 2 near the end of the strut 1, placing the flanges 6 of the member 3 within the notch, and bending over the end 7 of the strut to lock the tips of the flanges 6 within the notch.
Patent GB-1279044-A (GB)
Title: Hydrogenation treatment of hydrocarbon oil
IPC: B01J8/00
Filed: 1970-02-10
Abstract: 1279044 Hydrocracking; hydrodesulphurization AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 10 Feb 1970 [14 Feb 1969] 6367/70 Heading C5E Catalyst beds used for reacting hydrocarbon oils with hydrogen are maintained in a released state by the flow of reaction liquid; the ratio of the volume of the released bed to that of the stationary bed is between 0À9 and 1À1. Preheated reaction liquid is fed through the inlet 5 of a reactor 1 to maintain the catalyst bed 2 in a released state. The reaction effluent is separated to recover hydrogen, hydrocarbon gas, gasoline, product oil and recycle oil. Fresh or freshly regenerated catalyst is added to the top of the bed and since mixing does not occur in the bed the catalyst withdrawn intermittently or continuously through the pipe 4 consists of spent catalyst. Reaction liquid withdrawn with the catalyst is separated at 14 and recycled to the bed through a pipe 12 which, when necessary, can be moved within the pipe 13 to contact the pipe 4 and wash it. The crosssectional area of the reaction vessel 1 can decrease towards its lower end so that a fluidized area is formed at the discharge end of the bed. Released beds of MoO 3 -CoO-Al 2 O 3  catalyst are used (1) to hydrodesulphurize a topped crude at 200 kg./cm.<SP>2</SP> and 390‹ C. and (2) to hydrocrack a crude oil at 140 kg./cm.<SP>2</SP> and 440‹ C.
Patent GB-1495000-A (GB)
Title: Mixing apparatus
IPC: C02F1/52
Filed: 1975-02-11
Abstract: 1495000 Mixing apparatus GEC DIESELS Ltd 11 Feb 1975 [12 Feb 1974] 06371/74 Heading B1C Apparatus for mixing an additive with a fluid flow (e.g. a flocculant with sewage sludge) comprises a partitioned container providing a serpentine fluid flow path there-through with loops in different planes. As described the container has six compartments B-G interconnected by low-level ports in the partition walls 5, 6 and by flow over the top of partition 3. There is a low-level inlet at A and outlet at H and there may be deflectors 13 associated with the ports. Valves (21-24, Fig. 5 not shown) permit injection of the additive into the main flow inlet pipe or into any of the additive inlet ports 8, 9, 10.
Patent GB-798432-A (GB)
Title: Improvements in woodworking spindle moulding machines
IPC: B27C5/02
Filed: 1957-02-26
Abstract: 798,432. Woodworking machines. BATE, S. A. March 11, 1957 [Feb. 26, 1957], No. 6382/57. Drawings to Specification. Class 145. The tool spindle aperture in the work table of a spindle moulding machine has a set of two or three nesting rings so that, by individual rotation of the rings, the aperture in the innermost ring can be adjusted relative to different sizes of cutter blade to give maximum support to the workpiece in the area in which it is moved past the cutter.
Patent GB-139524-A (GB)
Title: Improvements in or relating to hydraulic pumps and motors
IPC: F16H39/14
Filed: 1917-05-05
Abstract: 139,524. Vickers, Ltd., and Ingoldby, M. K. May 5, 1917. Link-work.-Revolving members surrounding shafts, especially the swash-plates of hydraulic pumps and motors, are connected to their shafts by a double universal joint, comprising blocks E disposed in slots C' and receiving the trunnions d' of a yoke D<1>, the yoke having lugs d to receive a pin D passing through a block B<1> having cylindrical surfaces in contact with bearing surfaces b<x> at the ends of a slot in the shaft. In a modification the surfaces b<x> are replaced by a pin passed transversely through the block and received by holes b<1> in the sides of the slot.
Patent GB-934316-A (GB)
Title: Feed control device for a machine tool
IPC: B23B47/24
Filed: 1962-02-20
Abstract: 934,316. Automatic force control. CINCINNATI MILLING MACHINE CO. Feb. 20, 1962 [March 6, 1961], No. 6474/62. Class 38 (4). [Also in Group XXII] The force on a machine driven tool, e.g. a tap or a reamer, is controlled by adjusting the feed rate in accordance with small axial deflections of the tool against a spring. As shown, a tap 9 is carried in a holder 36 slidable in a sleeve 37 mounted in a rotating head 8, movement being limited by two pins 46 engaging slots 45. The pins are urged apart by a spring 49 so that the tap takes up the central position shown, and the initial force of the spring is greater than that required to start the tap. The work 21 is fed to the tap by an hydraulic motor 18, and an axial force in either direction greater than that of the spring results in a deflection of the tap holder, which is transmitted by a rod 31 to the movable core of a differential transformer 30. The resulting output causes a torque motor 82 to operate a fluid valve 83 to run the feed motor 18 in a direction to reduce the displacement; thus the workpiece is fed to the tap at such a speed that the axial displacement of the tap and hence the force on it is a minimum. At first, a voltage derived from a transformer 69 and adjusted by a potentiometer 74 is applied by closure of a direction switch 72 or 73 to bring the work to the tap. The switch may then be opened, tapping proceeds as above, and when the required depth is reached rotation of the tap is stopped thereby causing the feed to stop also. Reversing the rotation causes reversal of the feed motor and so the tap is withdrawn. The arrangement also causes the feed to stop if the tap is not aligned with the hole. The differential transformer may be replaced by a potentiometer (Fig. 6, not shown), or by a double-throw switch or other arrangement.
Patent GB-493282-A (GB)
Title: Improvements in or relating to seats and more particularly chairs for reclining upon
IPC: A47C4/36
Filed: 1937-03-04
Abstract: 493,282. Pivots. BLANK, A. March 4, 1937, No. 6501. Convention date, Nov. 30, 1936. [Class 65 (ii)] [Also in Group XIV] Pivoting adjustments.-In an adjustable folding chair, the members are pivoted together and are retained in adjusted position by means of a locking device at one of the pivots. One form of locking device comprises a plate 21, Fig. 7, of which the lower part forms a cage for a ring of balls 24, secured to the arm-rest 8 of the chair, and two plates, or a U-shaped element 23, having recesses in which the balls engage, secured to the leg 3. The two parts of the element 23 are drawn together by a bolt and nut to lock the joint in adjusted position. In another form of locking pivot, two discs with flanged edges formed with teeth and attached one to each of the pivoting members, are drawn together by a bolt and nut.
Patent GB-669722-A (GB)
Title: An improved semi-conductor amplifier and rectifier
IPC: H01L27/07
Filed: 1950-03-16
Abstract: 669,722. Semi-conductor amplifiers and rectifiers. RADIO CORPORATION OF AMERICA. March 16, 1950 [March 31, 1949], No. 6617/50. Class 40 (iv). [Also in Group XL (c)] A semi-conductor device comprises a first electrode of large area, and second, third and fourth electrodes of smaller area, the first and fourth electrodes forming a rectifier section, and the first second and third electrodes forming an amplifier section. The Figure shows a negative clipper or half-wave rectifier and amplifier circuit. Input signals supplied to terminals 15 are clipped by means of a rectifier circuit consisting of electrode 14 which engages a block of semi-conducting material 10 and cooperates with the base electrode 11. Assuming the block is of N-type material, positive portions of the input waveform cause current to flow through the base load resistance 20, which varies the potential of the base electrode 11, so that signals are applied to the transistor amplifier consisting of the grounded emitter electrode 12, collector electrode 13 and base electrode 11. Amplified signals appear at terminals 16 in the collector circuit. Negative portions of the input signals do not produce any current through resistance 20 and thus are not applied to the transistor circuit. The rectifier electrode 14 is placed at a distance of at least two hundredths of an inch from the emitter and collector electrodes such that there is no semi-conductor interaction with the emitter and collector electrodes. Bias of the emitter electrode relative to the base electrodes is provided by means of the base resistance 20. The emitter and collector electrodes may be placed on opposite sides of a thin disc. Germanium, silicon, boron, selenium and tellurium are given as suitable basic materials for the semi-conductor block. Additional rectifier electrodes may also be associated with the device.
Patent GB-987733-A (GB)
Title: Wire and products thereof
IPC: B21G3/00
Filed: 1963-02-19
Abstract: 987,733. Nails. I. IVANIER. Feb. 19, 1963, No. 6643/63. Heading F2H. [Also in Divisions B3 and E1] A wire having six to nine spiral flutes is produced by drawing the wire through a die provided with a passage having an initial portion of circular cross-section and a terminal portion with six to nine helical lands and intervening grooves, the wire having a minimum radial dimension greater than the maximum radial dimension of the circular section part of the die, and the die being free to rotate about the longitudinal axis of said passage. The die assembly comprises a holder B and a die having a bore C which tapers from a funnel shape 30 to a wire reducing smooth portion 31 followed by a helically grooved portion 33. The assembly rotates freely in anti-friction bearings. A wire nail, Fig. 5, is made from the wire on a standard nail machine.
Patent GB-180751-A (GB)
Title: An improved device for coiling helical springs from a plurality of wires
IPC: B21F3/04
Filed: 1921-03-01
Abstract: 180,751. Lynch, E. March 1, 1921. Coiling; dies. - In a device for coiling two or more wires to form a spring, the wires P are drawn off drums Q, Fig. 2, and coiled on a mandrel A, C, which is rotated by a lathe chuck B &c. in a die made in halves E, F. The part A of the mandrel is of smaller diameter than the part C, to which it is connected by a conical part. The bores O, G of the die are of a diameter slightly larger than the coil on the parts C, A of the mandrel which passes through a bush K secured between the halves of the die and prevented from rotation therein by a flat K<1> as shown in Fig. 5. The part E of the die is slotted at N, Fig. 10, for the passage of the wires which are bent by the helical end H, Fig. 3, of the bush K. The coils as formed pass on to the part C of the mandrel which grips and rotates them. Means may be provided for cutting the core into lengths.
Patent GB-1141985-A (GB)
Title: Improvements in disinfectors for telephone transmitters
IPC: H04R1/12
Filed: 1966-02-16
Abstract: 1,141,985. Sanitary and hygienic devices. M. KANEYASU. 16 Feb., 1966, No. 6705/66. Heading H4J. A removable disinfecting device for a telephone mouthpiece or earpiece comprises a twopart casing of which the base part 1 has upstanding ribs 5 which co-operate with a spider arrangement (9) in the cover part (6) to define compartments for storing a particulate disinfectant, e.g. paraformaldehyde. A mesh (10) is located between the cover and base and the latter is perforated. A central transmitting hole 2 is provided in the base and the cover, this hole being left free of disinfectant.
Patent GB-628883-A (GB)
Title: Improvements in or relating to toy dolls
IPC: A63H3/40
Filed: 1947-03-11
Abstract: 628,883. Dolls'eyes. INGRAM, G., and CLARKE, T. March 11, 1947, No. 6724. [Class 132 (iii)] Dolls' eyes are mounted upon a crossbar or trunnion which is pivotally mounted on a supporting bracket secured to the face piece of the doll, the bracket having a pair of oppositely disposed bent portions or projections having aligned apertures which serve as bearings for the crossbar or trunnion and are disposed between the doll's eyes. As shown, 1 is the face piece of a doll in which is mounted a pair of eyes, hemispherical cup-shaped devices 2, 21, which are connected by a common cross-bar 3 which may be soldered or otherwise secured, as at 4 and 41, to the rear parts of the eyes. The eyes are mounted on a supporting bracket 5 which is secured to a wooden block 6 or similar device glued or otherwise secured to the centre of the upper part of the inside of the face. The bracket 5 projects downwards below block 6 and has a pair of spaced ears or bent portions parallel to one another which are provided with apertures in alignment with one another and which serve as bearings for cross-bar 3. Each of the eyes is provided at its lower end with a projecting weight 9, 91 so that the eyes swing on the pivot as the head is moved, the movement being limited in either direction by projections 10, 10,<SP>1</SP> and 11, 11<SP>1</SP>.
Patent GB-225439-A (GB)
Title: Device for cleaning tobacco pipes and the like
IPC: A24F9/12
Filed: 1924-03-15
Abstract: 225,439. Soar, H. W. March 15, 1924. Cleaners for tobacco pipes and the like. - Tobacco pipes &c. are cleaned by vapour generated in a small boiler a. The outlet tube b is provided with a rubber or like cone e on which is pressed the bowl of a pipe d, or similar part of any other article to be cleaned. The cone is carried by a support' f attached to the upper part of the boiler, which is provided with a relief cock j.
Patent GB-313026-A (GB)
Title: A new or improved kiln box or support for firing bull-nose and other curved glazed tiles in the oven or kiln
IPC: F27D5/00
Filed: 1928-03-05
Abstract: 313,026. Broad, W. R., Lovatt, A. E., and Petrie, G. G., (trading as Cromlech Tile Co.). March 5, 1928. Saggers for pottery.- A kiln box for supporting bull-nose and like glazed tiles during firing is shaped on its upper surface, as shown. to fit the tile, the base of the box being hollow to permit stacking. The end of the tile is supported above the floor of the depression b in the box by a projection d, surplus glaze being collected either in the space below the projection or in a groove formed in the bottom of the depression. One or more tiles may be adapted to be supported side by side in a single box, an appropriate number of depressions b being provided.
Patent GB-983943-A (GB)
Title: Lubricator
Inventor: WHOLLEY PHILIP FRANCIS
IPC: F16N13/04
Filed: 1963-02-20
Abstract: 983,943. Lubricators. PETER BROTHERHOOD Ltd. Oct. 25, 1963 [Feb. 20, 1963], No. 6862/63. Heading F2A. A lubricator has a supply-pump which supplies lubricant from a reservoir to at least one delivery-pump, via a duct having a by-pass connected to the reservoir. In an embodiment, a compound lubricator has a cam-shaft 1 carrying six cams 2, each of which operates a supply-pump 3 and three delivery-pumps 4, the capacity of each pump 3 being equal to the combined capacities of the three pumps 4. A reservoir is formed in a body 5 of the lubricator and the level of oil contained therein is above that of the cam-shaft 1 so as to lubricate tappets 6 and the cams 2. Each supply pump 3 has a port 7 therein which opens as a plunger 8 is lifted against the receding cam 2 by a spring 9 and oil is received by a pump cylinder 10. As the cam returns, the plunger 8 is depressed, the port 7 is closed and the oil in the cylinder 10 is compressed. When the pressure in a connecting pipe 12 reaches a predetermined amount, two non-return valve balls 11 lift and permit the supply-pump 3 to pump the oil along a duct to the delivery pumps 4. The duct comprises a nipple 13, a further section of pipe 12, a non- return valve 14, a gallery 15, a restrictor 16 and a branch connector 17. A separate nipple 13 and non-return valve 14 is provided for each supply pump 3 and a separate restrictor 16 and branch connector 17 is provided for each delivery pump 4. Oil entering the branch connector 17 may pass to the delivery pump 4 via a nozzle 18 and a sight-feed chamber 19, or may travel via a transfer-port 20 to a by-pass chamber 21. The rate of flow through the chamber 21 is controlled by an adjusting- screw 23 which restricts the flow of oil through a passage 22 and by-pass oil is returned to the reservoir from the chamber 21 via a port 24 and a pipe 25 which terminates at 27. An on-off stop-cock 26 in the pipe 25 is controlled by a handle 28, the turning of which opens or closes all the by-pass pipes 25. Oil passing through the nozzle 18 falls into a pipe 32 which leads to the delivery pump 4 and an overflow tray 33 is provided which collects and returns oil to the reservoir. The delivery pump 4 operates in similar fashion to the supply pump 3 having a two-ball non-return valve 35 situated in the head of the cylinder. The oil pressure in the gallery 15 may be connected to an alarm system, a filter 36 is provided with a lid 37 above the reservoir and wire gauzes 38 are housed in the delivery connections of the pumps 3 and 4. In a modification, a single supply-pump of the geardriving type supplies lubricant to all the delivery pumps.
Patent GB-623597-A (GB)
Title: Improvements relating to mould apparatus for concrete building constructions
IPC: E04G11/18
Filed: 1947-03-12
Abstract: 623,597. Moulding concrete buildings in situ. HAGGARD, J. G. R., HAGGARD, R. G. R., and DAWES, F. A. March 12, 1947. [Class 20(ii)]  Apparatus for moulding the corners or buttresses of concrete buildings comprises inner and outer angle plates A, B pivotally attached to an end plate 6. A core 17, 18 is provided for a hollow wall. The angle plates A, B overlap the previously moulded wall. The end plate can be attached at either end. The angle plates are spaced by pivoted spacer bars 12 and a bar 14 held by a nut. The core comprises a detachable part 18 having tongue and groove connection with the part 17. Another groove on the other side of the core 17 allows the core to be arranged for a corner of opposite hand. A closure strip is provided for the groove not in use.
Patent GB-1000349-A (GB)
Title: Improvements relating to hydrostatic bearings
Inventor: BROWN GRAHAM MAURICE
IPC: F16C29/02
Filed: 1962-02-22
Abstract: 1,000,349. Bearings. GEORGE RICHARDS & CO. Ltd. Jan. 25, 1963 [Feb. 22, 1962], No. 6096/62. Heading F2A. In an hydrostatic bearing for the slideways of machine tools, e.g. on the table to saddle bearing surface of a table-type horizontal boring machine, the conflicting requirements of the necessity for a large number of oil pockets with the exposure of a considerable part of the bearing surfaces at one extremity of the traverse are overcome by providing parallel faced lubricant trapping bearing members sandwiched between the relatively slidable bearing faces to be lubricated and with limited movement in the direction of travel thereof. A lubricant trapping bearing member 1 has one or more longitudinal pockets 2 forming an opening or openings either throughout the thickness (not shown) or recessed in each face and connected by holes 5 to form a webbed structure 6. In use, one member may be provided at A and B laterally restrained by recessing in either or both engaging surfaces and longitudinally restrained by means of light springs and stops (not shown) so that they always occupy the extremities of the length of engagement of the sliding surfaces. The plate 1 is made of low elastic modulus material, e.g. phenolic resin laminate, nylon or other plastics to ensure dry lubrication in the event of lubricant flow failure and centralization between the engaging surfaces is obtained through compression of the thickness to form a wedge shaped oil flow channel producing a convergent oil flow.
Patent GB-678462-A (GB)
Title: Improvements in and relating to the conservation and recovery of chemicals used in viscose spinning baths and processing liquors
Inventor: ENTWISTLE DONALD
IPC: C01G9/06
Filed: 1950-03-21
Abstract: Zinc is recovered from viscose processing liquors containing sulphuric acid and a small amount of zinc sulphate, such as are obtained in the process of Specification 467,500 [Group IV] by neutralizing the liquors with caustic soda, lime or chalk to raise the pH to 11-12, precipitating zinc hydroxide with caustic soda solution suitably at above 60 DEG C, and dissolving the hydroxide in sulphuric acid.  The solution obtained by pressing alkali cellulose, produced by steeping cellulose in 18 per cent caustic soda, may be used as the caustic soda solution.  The process is also applicable to the treatment of waste material from viscose rayon production, and containing zinc hydroxide, calcium sulphate and carbonate, and ferrous and aluminium hydroxides.  This is dissolved in dilute sulphuric acid, and the filtered solution oxidized with sodium hypochlorite or sodium bichromate, and then treated with a paste of zinc hydroxide to precipitate iron and aluminium hydroxides.  The solution is thereupon treated as above.