baber/WOPTO huggingface dataset:
Patent GB-635980-A (GB)
Title: Improvements in or relating to couplings between two shafts
IPC: F16H35/02
Filed: 1946-10-11
Abstract: 635,980. Linkwork. NAAMLOOZE VENNOOT$CHAP PHILIPS' GLOEILAMPENFABRIEKEN. Oct. 11, 1946, No. 30390. Convention date, Jan. 29, 1943. [Class 80 (iii)] [Also in Group XL (c)] Linkwork for conveying rotary motion with an adjustable velocity ratio between two parallel or co-axial shafts 1, 2, comprises an auxiliary shaft 3 carrying levers 5, 7, lever 5 being engaged by a crank-pin 4 carried by shaft 1 and lever 7 being engaged by a pin on a crank 6 carried by shaft 2. Rotation of shaft 1 produces rotation of shafts 2 and 3. To vary the velocity ratio, shaft 3 may be moved at right angles to its axis, and, or, the angle between the levers 5, 7, may be varied. The latter adjustment may be effected by an arrangement in which the shaft 3 is hollow and surrounds a second shaft slidable therein and having a helical slot engaged by a projection on the lever 7, lever 5 being rigid with the shaft 3. Axial movement of the inner shaft produces relative rotation of the levers 5, 7. A modification for enabling the velocity ratio between two shafts to be adjusted, adapted for correcting the indications of a direction finder in accordance with the equation tan alpha = A tan Y comprises driving and driven shafts 20, 23, and an auxiliary shaft 30 carrying collinear slotted levers 28, 29, equal crank arms 21, 22, carried by shafts 20, 23, having crank pins 25, 24, engaging in the slots. The velocity ratio between the shafts 20, 23, may be adjusted by moving shaft 30 at right angles to its axis.
Patent GB-1352197-A (GB)
Title: Differential gear assembly for a motor vehicle
IPC: F16H57/02
Filed: 1971-06-29
Abstract: 1352197 Toothed gearing; differential gears SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 29 June 1971 [30 June 1970 (2)] 30449/71 Headings F2Q and F2D Both the crown wheel 3 and pinion 4 of a conventional type bevel gear differential for a motor-vehicle are non-adjustably mounted in a housing 1 by a single and a double annular set of balls respectively located between peripheral grooves in the crown wheel 3 and pinion shaft 6 and outer race grooves formed directly in the material of the housing as shown, or, in parts detachably connected to the crown wheel pinion and housing (not shown), the pinion shaft ball races being on a radius which is close to the distance of the plane of the crown wheel bearing from the axis of the pinion such that the line of action i.e. load line of the mating crown wheel and pinion upon the axis of the pinion shaft coincides with the point of intersection of the line of action i.e. the load line of the adjacent pinion shaft inner bearing thereby providing a precise, rigid, noiseless, long service, readily replaceable unit free from adjusting means.
Patent GB-880402-A (GB)
Title: Improvements in or relating to centrifugal governors
IPC: G05D13/00
Filed: 1959-09-07
Abstract: 880,402. Centrifugal governors. BENDIX CORPORATION. Sept. 7, 1959 [Sept. 29, 1958], No. 30489/59. Class 57. In a governor in which centrifugal weight members 18 are rotatable in a fluid, for example fuel, the effect of the fluid centrifugal forces is nullified by each member consisting of a flyweight 26 and an opposed lower-density counterweight 28, the flyweight and counterweight being interconnected by pivoted means and the products of the respective volumes of the flyweight and the counterweight by the respective distances of their centroids to the axis of rotation and to the plane passing through the pivot axis 22 and normal to the axis of rotation being equal, i.e. V 1 r 1 Y 1  = V 2 r 2 Y 2 , Fig. 2. The members 18 are pivotally mounted at 22 on brackets 20 secured to a disc 24 on a rotatable input shaft 32 and actuate through levers 20 a shaft 36 loaded by a spring 52 and controlling the pilot valve 40 of a fluid actuated piston 44 that controls the governed engine speed and adjusts the load on spring 52 through a feed-back rod 48. The governor is housed in a liquid-filled chamber 12. Reference has been directed by the Comptroller to Specification 813,939.
Patent GB-601795-A (GB)
Title: Improvements in rotary cylinder driers
IPC: F26B11/04
Filed: 1945-11-15
Abstract: 601,795. Drying grass. BROEK, W. VAN DEN. Nov. 15, 1945, No. 30660. Convention date, Sept. 3, 1941. [Class 34(ii)] A drying drum 1 for grass and like material is fitted internally with flights 2 equally spaced around the periphery and transverse segmental baffle plates 3 extending in opposite directions alternately from the circumference with the parallel free edges extending beyond the axis of rotation so that they overlap one another. The grass is picked up from the bottom portion of the drum, to which it is brought by the stream of drying gas entering at 4, and in falling, is carried further along the drum to the next baffle plate. The speed with which the material is carried through the drum increasing as it loses the weight of the moisture evaporated from it. The gases and material are discharged at 5.
Patent GB-1514457-A (GB)
Title: Defensive weapon system
IPC: F41G7/00
Filed: 1972-06-29
Abstract: 1514457 Self-homing missile VEREINIGTE FLUGTECHNISCHE WERKE - FOKKER GmbH 29 June 1972 [22 Oct 1971] 30750/72 Heading F3A [Also in Division H4] A defensive weapon system (Fig. 1) suitable for use against low-flying aerial targets comprises a ground control system 1 employing lasers for target location and weapon control, and a missile 6 equipped with a homing head (Fig. 3) which, in operation, assumes control of the missile after the latter has been directed towards a target 8 by the ground control system. As described, a laser locating unit 2 is used to provide target detection and location signals to a laser control unit 3. The latter guides the launched missile 6 during an initial phase. The homing head scans the area ahead of the missile and, when the target 8 is detected and located by such scanning, the continued guidance of the missile to the intercept with target 8 is performed under the control of the homing head. The latter is sensitive preferably to infra-red radiation whereby it can track the target by detection of radiation from its exhaust, engines, &c. Preferably, the laser locating unit 2 provides infrared target illumination so that, should the homing head be unable to track the target as described above, it may track it by means of laser-radiation reflected therefrom. The homing head includes a primary mirror 33 which receives incident radiation 31 and directs it, via a secondary mirror 34 and narrow band filter 35 to a detector 36. Signals from the detector 36 are passed to a pick-up 37 which, in co-operation with a gyroscope arrangement 38, controls adjusting members 39 to adjust the rudder of the missile.
Patent GB-533797-A (GB)
Title: Improvements in and relating to the manufacture of shaped tubes bearing patterns on their surfaces
IPC: B21D15/02
Filed: 1939-11-27
Abstract: 533,797. Metal tubes. CLISSOLD, F. Nov. 27, 1939, No. 30839. [Class 99 (ii)] [Also in Group XXII] Ornamental tubes, for example for use as mirror and brush handles, are produced by roll embossing a hexagonal tube in the usual way and then pressing the patterned tube between dies b, Fig. 2. During the operations the surfaces c become concave and the modification of section is effected without marring the pattern. In a modification the original tube is octagonal.
Patent GB-465359-A (GB)
Title: Improvements in and relating to the construction of roadways and the like
IPC: E01C11/22
Filed: 1935-11-07
Abstract: 465,359. Road gutters ; metal blocks. JONES, F. W. VALLE-. Nov. 7, 1935, No. 30848. [Classes 87 (i) and 107] A gutter channel for a road is formed of rectangular cast iron or steel sections 1 which are laid on but not embedded in the concrete or like foundation carrying the road carpet 11. The sections are connected end to end by interengaging projections and recesses provided on their end faces and may have longitudinal grooves 2 in their upper surfaces. The lower surfaces have recesses 3 formed by side flanges 4 and longitudinal and transverse webs 5. The joints between the sections may be sealed with bitumen or caulked with lead or the like, and a bitumen jointing may also be used between the sections and the kerb and between the sections and the road carpet.
Patent GB-159660-A (GB)
Title: Improvements in apparatus for grinding, mixing and dividing moulding sand
IPC: B22C5/04
Filed: 1919-12-10
Abstract: 159,660. Hanoulle, L. Dec. 10, 1919. Roller apparatus. - Apparatus for grinding, mixing, and dividing moulding-sand comprises a crushing-device consisting of three cylinders 1, 2, 2<1> with their axes horizontal and parallel and arranged in triangular form, a disintegrating, mixing, and distributing device mounted in the feed hopper 3, and a dividing-device 5 mounted below the cylinders, all the parts being driven from a single driving-shaft 17. The auxiliary cylinders 2, 2<1> are pressed by springs or other resilient members against the main cylinder 1, and the disintegrator in the hopper 3 consists of a rotary horizontal shaft 8 carrying radial arms. Scrapers 4, 4<1> bear against the cylinder 1. The bars 5 of the dividing-device are arranged parallel to one another in circular rows and secured by their curved ends 5<1> to members 6, 6<1> on a rotary shaft 7. The surfaces of the crushing cylinders may be rough, smooth, grooved, corrugated, &c. The driving-gear may comprise toothed wheels 11, 10, 12, 13 and a belt 16, or chains may be employed.
Patent GB-595053-A (GB)
Title: Compositions comprising acrylonitrile polymers and copolymers and shaped articles produced therefrom
IPC: C08K5/16
Filed: 1945-11-19
Abstract: Compositions suitable for making yarns, films and shaped articles comprise a solution of polyacrylonitrile or a copolymer in which at least 85 per cent by weight is acrylonitrile, in a solvent comprising hydracrylonitrile or glycolonitrile.  The compositions are clear mobile solutions at elevated temperatures, e.g. 100 DEG  C., and gel at room temperature.  In small amounts, the nitriles act as plasticisers for the polymer.  Specified compounds p  with which the acrylonitrile may be copolymerized are vinyl acetate and chloride, acrylic acid and its esters and homologues, styrene, isobutylene and butadiene (see Group V).  Optionally, the compositions may contain other plasticisers (non-solvents for the polymer), e.g. glycerine and dyes, linear polyamides, cellulose ethers and esters, polyvinyl chloride and acetate and polyacrylic acid.  The solutions may be shaped to form filaments, yarns, films, tubes and other articles by moulding, casting or extrusion into an evaporative atmosphere or a bath of coagulant miscible with the solvent, but an inert non-solvent for the polymer.  The properties of the articles can be improved by a subsequent stretching operation.  Specifications 404,504, 585,368 and 594,999 and U.S.A. Specifications 2,117,210, 2,140,921 and 2,167,537 are referred to.ALSO:Compositions suitable for making yarns, films and shaped articles comprise a solution of polyacrylonitrile or a copolymer in which at least 85 per cent. by weight is acrylonitrile, in a solvent comprising hydracrylonitrile or glycolonitrile [see Group IV].  The compositions are clear mobile solutions at elevated temperatures, e.g., 100 DEG C and gel at room temperature. In small amounts the nitriles act as plasticizers for the polymer. The acrylonitrile may be copolymerised with butadiene. Optionally, the compositions may contain other plasticizers (non-solvents for the polymer), e.g., glycerine and dyes, linear polyamides, cellulose ethers and esters, polyvinyl chloride and acetate and polyacrylic acid.  The solutions may be shaped to form filaments, yarns, films, tubes and other articles by moulding, casting or extrusion into an evaporative atmosphere on a bath of coagulant miscible with the solvent but an inert non-solvent of the polymer.  The properties of the articles can be improved by a subsequent stretching operation. Specifications 404,504, 585,368 and 594,999, [all in Group IV], and U.S.A. Specifications 2,117,210, 2,140,921 and 2,167,537 are referred to.
Patent GB-815580-A (GB)
Title: A frequency stabilisation system employing phase shifting means with resonant sections
IPC: H03L7/02
Filed: 1956-10-11
Abstract: 815,580. Automatic frequency-control systems. COLLINS RADIO CO. Oct. 11, 1956 [Dec. 14, 1955], No. 31055/56. Class 38 (4). [Also in Group XL (c)] In a multi-channel receiving system for a plurality of equally separated sub-carrier frequencies modulated on a carrier, a frequency discriminator is provided having a repetitive output characteristic for controlling the local oscillator at a frequency conjointly determined by the average error of the intermediate frequencies corresponding to the subcarriers and thereby stabilizing in frequency the set of intermediate frequencies. The frequency discriminator may comprise a phase detector 16 with two inputs each respectively including an electro-mechanical filter 14, 15 producing a phase shift at each output varying from 0 to n# radians over the common frequency pass band of the filters where n is a different number of resonant circuits in each filter, the I.F. frequencies 1, 2, 3, 4 corresponding to the subcarriers being arranged normally (Fig. 3) to lie mid-way of successive portions of the phase/frequency characteristic of the filters which slope the same way and the corresponding phase detector output characteristic then indicating frequency error in magnitude and sign. The filters may comprise one or more coaxial metal discs connected together at their peripheries by short magnetostrictive rods and with magnetostrictive driving and output transducer rods connected to the peripheries of the first and last  discs. Alternatively the two output magnetostrictive transducers may be connected to different discs of a multi-disc filter. Specifications 722,664 and 815,579, [both in Group XL (b)], are referred to.
Patent GB-1196853-A (GB)
Title: Polyoxin Antibiotics
IPC: C07H19/06
Filed: 1968-06-28
Abstract: 1,196,853. Polyoxins J, K and L. RIKAGAKU KENKYUSHO. 28 June, 1968 [30 June, 1967], No. 31140/68. Heading C2A. The invention comprises antifungal antibiotics polyoxins J, K and L which have the formulµ respectively. The polyoxins are produced by the aerobic cultivation in an aqueous nutrient medium of streptomyces cacaoi var. asoensis ATCC 19093 or 19094 or a polyoxin-producing mutant thereof (see also Specification 1,097,189). The polyoxin complex is isolated from the broth by adjusting to pH 2-0, heating to 70 C. and filtering. The filtrate is treated with activated C and is eluted therefrom with 60% aqueous acetone. A crude is obtained by adding acetone to the cone. eluate. Purification is by treatment with (a) "Dowex" 50 WX8 and elution with aqueous NaCl, (b) carbon, (c) "Dowex" 50 WX8 and elution with 0À1 M phosphate pH 2.0, (d) chromatography on sulphoethyl "Sephadex" and elution with 0À01M phosphate buffer increasing to 0À1M. The complex is dissolved in water and passed through "Amberlite" IR-4B (Cl type) to remove polyoxins D, E and F (see Specification 1,156,390). Distribution chromatography on a cellulose column using (a) butanol/acetic acid/ water (4 :1: 2) and then (b) 75% aqueous phenol results in a separation of polyoxins J, K and L and also polyoxins A and B (Specification 1,097,189). The antibiotics may be recrystallized from aqueous alcohol, e.g. aqueous ethanol. The polyoxins are amphoteric and can be adsorbed on either cation or anion exchange resins and may be eluted by acid, alkali or salt solutions. Polyoxins J, K and L may be used as agricultural fungicides.
Patent GB-927208-A (GB)
Title: Improvements in or relating to planning boards or indicators
IPC: G09D1/00
Filed: 1960-09-09
Abstract: 927,208. Indicator boards. A. R. JACKSON. Sept. 8, 1961 [Sept. 9, 1960], No. 31182/60. Class 3 (1). An indicator board as in Specification 733,148 is provided with grooves 15 and projections 14 for supporting a retaining strip 16 of metal or plastic, and index strips 19 and transparent covering strips 20, 23.
Patent GB-846324-A (GB)
Title: Improvements in or relating to cast metal dual tire wheels
Inventor: FAHLMAN EVERETT GUSTAF
IPC: B60B11/06
Filed: 1957-10-04
Abstract: 846,324. Cast metal wheels; dual tyre rims. PERMOLD CO. Oct. 4, 1957, No. 31218/57. Classes 144 (1) and 144 (2). A cast light metal alloy wheel body, carrying dual tyre rims 31, 32, comprises a tubular hub A with circumferentially - spaced integral radial spokes C which are each of channelsection opening inboardly and having an outer peripheral end wall providing a cylindrical seating 16 for the rims 31, 32, the spokes being axially and tangentially braced by integral intervening webs B which extend integrally from the outboard end of the hub A obliquely across the side walls 18 of the spokes to the inboard edges of the spoke end walls. As shown, the webs B are outboardly convex of partspherical contour and their outer peripheries 12 are shallowly scalloped to provide for air circulation therethrough, the scallop edge having a reinforcing bead 13. Between each spoke C the hub A is integrally. formed with a hollow radial. projection 20 which opens to the interior of the hub and has a peripheral end wall 20d and radial outboard and inboard walls 20b, 20c. The inboard wall 20c is extended obliquely inboardly at 21 to meet the hub inboardly of the inboard edge of the spoke ends and provide additional axial bracing of the spokes. The walls 20b, 20c of the projections 20 have aligned holes 27 to receive bolts 43 securing a brake drum 41, the inboard walls 20c each being formed with a ledge 30 to centre the drum. The radially inner ends of adjacent side walls 18 of adjacent spokes C converge toward the wheel axis to form parallel side walls of the projections 20. The inboard edge of rim seatings 16 on the spokes is flared and thickened to provide an abutment for a correspondingly tapered edge 33 of the inboard rim 31. The outboard rim 32 is secured on the seatings 16 by clamps 35, a cylindrical spacer 36 on the seatings 16 holding the two rims against the clamps 35 and spoke edge 15 respectively. The clamps 35 are mounted on studs 37 which extend through bored bosses 24 on the radially inner faces of the rim seatings 16 and screw into the inboard end of said bosses, the studs having a shoulder 38 to abut outboard bosses 23 of the spoke ends and receiving nuts 40 to secure the clamps 35. A hub cap 46 screws on to the outboard end of the hub.
Patent GB-160243-A (GB)
Title: Improvements in or relating to telephones
IPC: H04M1/03
Filed: 1919-12-13
Abstract: 160,243. Murray, R. L., and Telephone Manufacturing Co., Ltd. Dec. 13, 1919. Head and breast sets; magnetic instruments; receivers; microphones; direct-call systems. - A telephone instrument comprising a receiver combined in one casing with a transmitter, which is strapped against the user's throat, is designed to avoid " howling." A chin-operated switch is provided. The instruments are joined in shunt directly to line, with a common battery connected in series in such a way as to strengthen the permanent magnets. In a diver's telephone. Fig. 2, the transmitter and receiver are mounted back to back and separated by a solid bottom A<4> which, together with the shunt arrangement referred to, prevents reaction between the two instruments. In the receiver, one pole of the magnet consists of a ring F concentric with a core which constitutes the other pole and carries the bobbin G<1>. The diaphragm communicates with the ears through air-passages in a connector K and flexible tubes. The microphone is provided with a switch which can be closed by depressing the push H<1> with the chin. The microphone diaphragm rests against a loose ring C<2> inside the cup C<1>. A strap enables the combination to be fastened round the neck. A one-way ringing circuit comprising a direct-current bell may be provided.
Patent GB-680457-A (GB)
Title: Improved method and means for distributing liquid over scrubbing surfaces or other packing
IPC: B01D53/18
Filed: 1949-12-06
Abstract: 680,457. Gas scrubbers. WHESSOE, Ltd., DAVIDMANN, M., and TAIT, J. H. Dec. 5, 1950 (Dec. 6, 1949], No. 31269/49. Class 55 (ii). Liquid - distributing means for packed tower scrubbers &c. comprises a set of troughs 11 arranged side by side with outlets 16 through which liquid flows on to the outer surface of the walls extending below the trough floor to approach or touch the top of the packing 19 ; the bottom portion of the walls is of reduced width so that liquid which forms a continuous film along the lower edges flows on to the packing without dripping or any substantial inward motion. Instead of being chamfered as shown with a narrow flat 21, the bottom surface of the wall may have a longitudinal groove, and the wall may splay outwardly, the flat being omitted. Liquid is supplied to the troughs through pipes 10 each having a restricted inlet orifice 12 communicating with a manifold 8 and a tee outlet directing liquid towards both ends of the trough. Specification 487,946 is referred to in the Provisional Specification.
Patent GB-212608-A (GB)
Title: Improvements in protective apparatus for alternating electric current distribution systems and apparatus
IPC: H02H3/00
Filed: 1922-11-16
Abstract: 212,608. British Thomson-Houston Co., Ltd., and Fitzgerald, A. S. Nov. 16, 1922. Cut-out arrangements for alternating-current circuits, machines or apparatus of the kind in which the protection is dependent on the relative direction of power in the circuit &c. to be protected, employ a single relav per phase actuated by a fault on its own phase whether the fault is an earth fault or an interphase fault. Means are provided consisting in the employment and special connection of biassing transformers as described in Specification 193,434 or in the use of reverse power relays with additional windings whereby the current necessary to operate the relay is much greater in the case of a line or inter-phase fault than in the case of an earth fault. In the arrangement shown in Fig. 1 applied to a single three-phase feeder, the secondary windings of current transformers 4 in the feeder are adapted to energize the operating windings 34, 6 of biassing transformers, one for each phase, which have two restraining windings 5, 33 inductively related to one another and a single secondary winding 7. The secondary 22 of a potential biassing transformer which has a restraining winding 20 and an operating winding 21 energized from the potential transformer 24. In this way the current in each phase is associated with the potential difference due to which it flows in the phase conductor, and, con. sequently by including the relays 9 in the combined secondary circuits, the circuit-breaker is operated in accordance with the direction of power in the phase conductor. For interphase faults the protection is obtained by reason of the largely increased current in the operating windings when the relation between the voltage and current is appropriate. In the event of an earth fault, the leakage current energizes the additional restraining and operating windings 33, 34. The restraining winding 33 is wound so as to tend to neutralize the effect of 5 and the operating winding 34 to increase the effect of 6. Accordingly, with leakage currents the sensitiveness of the biassing transformers is increased. In a modification, adaptable to parallel feeders an additional simple transformer with the primary in series with the operating winding 6 and the secondary in series with the secondaries 7, 22 is employed to deal with interphase faults. In the adaptation to parallel feeders, auxiliary switches are arranged to dissociate the protective gear of a faulty feeder after it has been cut out and, instead of the secondary of the additional transformer being connected directly to windings 7, 22 and 9, an additional biassing transformer is introduced in the connection. The winding 5 may be excited by transformation instead of by connecting it directly in the operating circuit. The transformer for this purpose may have a magnetic circuit of limited cross-section so that its output is definitely restricted. Specifications 188,001, 205,866, and 210.294 also are referred to.