baber/WOPTO huggingface dataset:
Patent GB-433491-A (GB)
Title: Improvements in and relating to the drive of supercharging centrifugal compressors for internal-combustion engines
IPC: F02B33/00
Filed: 1934-05-22
Abstract: 433,491. Centrifugal friction clutches ; change speed gearing. AVIONS H. M. D. FARMAN, 149, Rue de Silly, Billancourt, Seine, France. May 22, 1934, No. 15212. Convention date, May 22, 1933. [Class 80 (ii)] A centrifugal clutch comprises friction shoes 31, Figs. 1 and 2, pivoted at their leading ends 33 to the driven member 16 and adapted to be pressed against a driving drum 10 by the action on their free ends 30 of the cam ends 26 of weighted levers 27 pivoted to the member 16 at 25, springs 34 being arranged between the shoes 31 and the levers 27. Toothed sectors 29 formed on arms 28 integral with the levers 27 engage a helical gear 35 formed on an axially-movable spindle 36, which is adapted to be moved to the left against a spring 40 by a control lover 37. A pin 44 carried by the spindle 36 engages helical slots 42 in a member 41 rotatable with the member 16, the slots 42 and pinion 35 being so arranged that when the spindle is moved to the left by the lever 37 the shoes 31 are withdrawn from the drum 10, while when the lever 37 is released the shoes move into contact with the drum by reason of the springs 40, 34, so initiating clutch engagement. The invention is described as applied to the drive of a supercharger 3 from the shaft 1 of an internal-combustion engine through gearing 7, 8, 22, 24, the clutch being arranged between the gears 8, 22. In such a case, in order to balance radial thrusts, two diametrically-opposed sets of gearing may be employed. As shown in Fig. 3, however, three sets of gearing are used, two of these being identical while the third gives a smaller transmission ratio. The clutches D, D<1>, D<11> of these sets are controlled by a single control shaft 46 through the medium of a cam 47, with which engages a lever 49 acting through a balancing member 51, which can slide and rock in a guide 52, on the arms 54, 541 of levers 37, 37<1> which control the clutches D, D<1> of the identical gear sets. An arm 37<11> moving with the arm 37<1> controls the third clutch D<11>. The surface of the cam 47 is such that when the clutches D, D<1> are engaged the clutch D<11> is disengaged, and vice versa, while all three clutches can be held disengaged. Specification 288,173, [Class 80 (ii)], is referred to.
Patent GB-945626-A (GB)
Title: Process for the working up of solutions and dispersions of low pressure hydrccarbon polymers
IPC: C08F6/02
Filed: 1962-04-19
Abstract: Low pressure polymer solutions and dispersions which result from the low pressure polymerization of olefines, diolefines and mixtures thereof with the acid of mixed catalysts of compounds of elements of sub-group IV-VI and VIII of the Mendeleeff Periodic System, and of organo-metallic compounds of metals of group I-III in the presence of inert solvents, are worked up by a treatment with decomposing agents wherein the polymer particles present in the initial dispersions, or formed by precipitation in the initial polymer solutions following treatment with decomposing agents which also act as precipitation agents. are subjected to disintegrating shearing and vibratory forces.  The polymers may be derived from ethylene, propylene, a -butylene, butadiene or styrene.  Disintegration may be produced by treating the polymer particles with a mechanical disintegrator, with a rotor-stator or antirotor and/or by spraying through a nozzle alone or with the decomposing agent.  The catalysts may be of the Ziegler type and the inert solvent may be a hydrocarbon.  The decomposing agents may be alcohols, ethers, aldehydes, ketones, esters, lactones, acids, salts and/or their aqueous solutions.
Patent GB-1448544-A (GB)
Title: Control release suture
IPC: A61B17/06
Filed: 1974-02-28
Abstract: 1448544 Jointing by stamping ETHICON Inc 28 Feb 1974 [26 Oct 1973] 15233/75 Divided out of 1448543 Heading B3Q [Also in Divisions A5-A6 and D1-D2] A surgical needle 46, Fig. 3, having a drilled hole 47 in its blunt end, is swaged to the end 44 of a surgical suture 12, which may be of silk, nylon, &c., by compressing the blunt end of the needle between an anvil 48 and a hammer 50. Stops 51 and 52, on the hammer and anvil respectively, limit the deformation of the needle, which is received in a depression 49 on the anvil 48. A portion of the finished needle-suture combination is shown in Fig. 10.
Patent GB-544449-A (GB)
Title: Process of concentrating dispersions of rubber and rubber-like substances
IPC: C08C1/08
Filed: 1940-10-14
Abstract: 544,449. Creaming latex. REVERTEX, Ltd. (Metallgesellschaft Akt.-Ges.). Oct. 14, 1940, No. 15240. [Class 70] The creaming of latices of rubber, guttapercha, balata, synthetic rubbers such as derivatives of butadiene or chloroprene or of rubber reclaim is accelerated by the pressure of finely divided solid or gaseous substances. A gas such as air, nitrogen or oxygen, which may be mixed with steam is passed through fritted glass, microporous rubber, or spinnerets into latex containing a creaming agent. The gas may be passed for one or two hours. after which the latex is left to cream. Substances such as hydrogen peroxide or metallic calcium which generate gas may be added to latex, or a froth of rubber dispersion or of creaming agent may be added. Alternatively the latex may be submitted to reduced pressure to cause dissolved gases to be evolved. The creaming may be effected in the presence of solid inert bodies such as glass wool, glass beads, Raschig rings, earthenware fragments or sponge rubber, or inert particles such as sand may be added continuously or intermittently. Specification 337,269, [Class 70], is referred to.
Patent GB-815283-A (GB)
Title: Improvements in or relating to frequency modulation arrangements
Inventor: IANWYNDHAM PAUL
IPC: H03C3/12
Filed: 1954-05-24
Abstract: 815,283. Frequency shift signalling. TELEPHONE MANUFACTURING CO. Ltd. Aug. 17, 1955 [May 24, 1954], No. 15286/54. Class 40 (5). [Also in Group XL (b)] A phase-shift oscillator is frequency shifted for telegraph signalling without change of amplitude by switching the values of phase quadrature impedances connected with a hybrid or differential transformer or in an equivalent bridge network, to produce phase changes of opposite sign in the feedback path about a mean value of 90 degrees. As shown, an oscillator V1 with tuned anode circuit E has coupled to its feedback path two circuits Z1, Z2, one (Z2) purely resistive, the other Z1 changing its reactance between inductive and capacitive when D.C. signals of opposite polarity are applied at A, B to the network to render rectifier pairs W1, W2 and W3, W4 conductive or blocked and effectively make the circuit reactance either inductance L12 or an equal and opposite capacitive reactance of inductance L13 and capacitor C12 in parallel. Resistors R11, R12 prevent transients during switching. Equal and opposite phase shifts due to Z1 are thus coupled back into the oscillator grid circuit through the hybrid or differential transformer H to produce equal and opposite frequency changes. In an equivalent modification the oscillator has its tuned anode circuit E coupled through a step-down transformer to a bridge whose opposite arms are inductances and resistors of equal impedance at the mean oscillator frequency. The resistors are coupled by shunt transformer windings through rectifier pairs to auxiliary resistors and the inductances through transformer windings and rectifier pairs to auxiliary inductances. The arrangement is such that equal and opposite D.C. switching voltages applied to centre taps of the transformer secondaries alternately introduce only the auxiliary shunt inductances or shunt resistors to produce equal and opposite phase shifts of 45 degrees from the bridge output in the oscillator feedback path centred about a 90- degree mean phase shift due to the bridge. Condensers shunting the bridge resistors balance out reactance due to the transformer couplings: The bridge 90-degree phase shift may be balanced by a step-up auto-transformer containing inductance and capacitance in series with a variable output resistance. The voltage step-down at the bridge circuit permits smaller switching voltages to be used.
Patent GB-933397-A (GB)
Title: Electrical selector apparatus
Inventor: MCGUIRK FRANCIS
IPC: H01H43/12
Filed: 1960-05-02
Abstract: 933,397. Time switches. CHAMBERLAIN & HOOKHAM Ltd. April 27, 1961 [May 2, 1960], No. 15301/60. Drawings to Specification. Class 38 (5). The subject-matter of this Specification is substantially the same as that of Specification 933,394 but the claims differ. Specification 933,396 also is referred to.
Patent GB-872719-A (GB)
Title: Improvements relating to nuclear reactors
Inventor: COATES GRAHAM
IPC: G21C15/04
Filed: 1958-05-13
Abstract: 872,719. Nuclear fuel elements. A.E.I.- JOHN THOMPSON NUCLEAR ENERGY CO. Ltd. May 7, 1959 [May 13, 1958], No. 15336/58. Class 39(4). The fuel element of a gas-cooled nuclear reactor is formed of parallel fuel plates 2, spaced apart to permit the flow of coolant and mounted to allow a limited lateral movement to withstand shock by tilting. The plates are held, at opposite edges, by a pair of vertical support plates 1. The fuel plates slope downwardly and the support plates are rigidly inter-connected by horizontal bars 3, 3<SP>1</SP> at top and bottom. The assembly of fuel and support plates is mounted in a pair of vertical struts 4, 4<SP>1</SP> secured together by bars 5 at top and bottom. The pins 7 joint 5 to 4 within the clearance holes 6 and permit tilting. The plates 1 slidably engage the struts 4 by means of the springs 12 so that the fuel assembly and struts move relatively to each other upon tilting. The springs 12 also protect the fuel element from vertical and horizontal shock.
Patent GB-635086-A (GB)
Title: Improvements in low pressure steam or hot-water radiators for heating rooms and the like
IPC: F28D1/03
Filed: 1947-06-11
Abstract: 635,086. Radiators for heating buildings. BERLIN, D. W.; and LANDBERG, S. E. June 11, 1947, No. 15367. [Class 64(ii)] In a low pressure steam or hot water radiator formed by welding together corrugated sheet metal plates 1 at their edges .2 and in the depressions 3 between their edges and by welding or soldering corrugated secondary plate formations 4 to the primary plates 1 to form vertical air passages, the crests of the primary plates are wide enough for each to be welded to two troughs 5 of a secondary plate formation. Apertures 7 are formed in the crests of the secondary plate formations and are elongated vertically, or the secondary plates comprise separate, single trough members (not shown) spaced to form the apertures, two being secured to each primary crest. The secondary plates may be secured to one side of the radiator with the other side covered with polished metal foil to reduce radiation to the adjacent wall of the building.
Patent GB-864854-A (GB)
Title: Improved printing or duplicating machine
IPC: B65H9/06
Filed: 1959-05-06
Abstract: 864,854. Feeding sheets. GERICKE, E. May 6, 1959 [Sept. 4, 1958], No. 15512/59. Class 100(1) In a printing machine wherein sheets are fed from a stack up to a front lay and then picked up by grippers on an impression or other cylinder, and wherein provision is made for the front lay to be set at an angle to the front edges of the sheets, the front lay comprises a shaft 1 (not shown) having non-adjustable aluminium stop fingers 2 thereon and rotatably mounted at the ends in self-aligning bearings in two levers 3 which are pivotally mounted on studs 5. Each end of the lay shaft can be adjusted about the stud 5 by means of a screw and nut device 12, 13 which acts on the upper end of lever 3. The lay shaft is rocked, to allow a registered sheet to be taken by grippers on the impression cylinder (not shown), by a cam 6 which engages a pivoted lever 7, and the flat horizontal face 9 on that lever is engaged by a pin 10 on a lever 8 secured on the end of the lay shaft. The arrangement allows the lay shaft to be adjusted whilst the machine is in operation. Side registration of the sheets is effected by the known device 20.
Patent GB-1075609-A (GB)
Title: Shell structures
Inventor: FREEMAN BRIAN
IPC: B63B5/24
Filed: 1965-04-12
Abstract: 1,075,609. Laminates. E. LOOS. April 12, 1965, No. 15534/65. Heading B5N. [Also in Divisions B7 and E1] A method of making a structural shell without use of a mould comprises: (a) providing a rigid skeletal framework 5 whose outline conforms to the desired final shape of the shell; (b) attaching reinforced synthetic plastic sheets 6 and 7 to inner and outer sides of said framework so as to enclose said framework between said sheets, whereby a hollow compartment is formed between said inner a nd outer sheets; (c) introducing a " foam-in-place" synthetic plastic material into said compartment to fill the latter (8), and (d) foaming said material and allowing the foam to set. The specified reinforcement for the plastic is glass fibre. The Specification also describes the fabrication of a boat hull.
Patent GB-1032807-A (GB)
Title: Improvements in or relating to thermo-electric devices
IPC: H01L35/00
Filed: 1963-04-19
Abstract: 1,032,807. Thermo-electric devices. PHILIPS ELECTRONIC ASSOCIATED INDUSTRIES Ltd. April 19, 1963 [April 24, 1962], No. 15547/63. Heading H1K. At least one thermo-electric element is clamped between two heat exchangers which, outside the clamping area, are separated by a layer of thermally insulating material and connected by at least two bridging pieces each comprising partly heat insulating material and partly a material solidified in situ. As shown, Fig. 2, a Peltier device comprises an arrangement of elements, shown generally at 10, clamped between parts 8, 9 of two heat exchangers 6, 7 formed with integral anchors 20 which are located in the ends of tubes 21 of insulating material inserted in holes in a block 23 of porous insulating material separating heat exchangers 6, 7 and surrounding the elements 10. The tubes 21 are filled through apertures 22 with a casting material such as " Araldite " (Registered Trade Mark), which hardens round anchors 20. One heat exchanger 7 may be formed with a plurality of fins and the other heat exchanger 6 may contact the inner face of an insulating container forming a refrigerator Fig. 1 (not shown). The insulating material and bridging pieces may be arranged on one side only of the Peltier elements, Fig. 5 (not shown). The bridging piece may comprise a rod of insulating material bolted to one heat exchanger and extending into an opening in the other heat exchanger to which it is secured by filling the remainder of the opening with resin or solder, Fig. 6 (not shown). The bridging piece may also be formed by connecting countersunk openings in the heat exchangers with a tube of insulating material which is then filled with casting resin, Fig. 7 (not shown). The Peltier elements may consist of bismuth and/or antimony telluride.
Patent GB-194989-A (GB)
Title: Improvements in or relating to paring machines for fruit and vegetables
IPC: A23N7/02
Filed: 1922-06-02
Abstract: 194,989. St÷ckel, F. C., and Mitchell, H. B. June 2, 1922. Peeling fruit and vegetables.-In a vegetable and fruit paring machine wherein the vegetables &c. arc supported on a rotary tray and pared by contact' with the abrading walls of the container, the various sections of the machine are angularly adjustable relatively to each other to suit any desired location of the machine. The container 1 is adjustable angularly relatively to the waste receptacle 31 to which it is secured by bolts passing through spaced holes in the flanges 29, 30; the waste receptacle 31 is similarly adjustably secured to the gear box 47; the cover 3 may be rotated on the container to which it is secured by hinged clips 7; the spigot 60 of the gear box is revoluble relatively to the pedestal 61 and is secured thereto by a bolt 64 and washer 62; the inner abrading cylinder 11 is reversible, and the motor is vertically and transversely adjustable for alignment purposes. The cover 3 supports the sprayer 5 and is provided with a flange 10 which rests on the cylinder 11. The clips 7 engage under the beading of the container 1. The cylinder 11 has slotted flanges 13 which engage stops 15 and prevent rotation. The opening for the shoot-door is centrally situated and is closed by a curved abrading plate 17 having a boss 20 connected to a socket 19 on the door plate 23 provided with a spring-catch 24 and covered by an outer plate 28. The tray 32 is mounted on a shaft 33, journaled in bearings 49, 41, which is provided with projections 34 adapted to engage recesses 35 in a sleeve 36. A plate 37, on the sleeve 36, is recessed at 38 to receive projections 39 on the tray 32, a bolt 40 securing the whole, to the shaft 33. The sleeve 36 projects over the bearing 41 to prevent waste material from passing thereto. The shaft 33 is recessed at 65 and helically grooved at 66, and the lubricant which ascends and collects in the recess 65 escapes therefrom 'by way of the groove 66. The worm-wheel 45 engages with a worm 46 on a shaft 50 aligned with the motor shaft and working in a gland 52. The split socket 59 grips a cranked bar 58 having a split bush 57 which receives the supporting rod 56 of the motor 54. The flexible coupling 51 may thereby be aligned. A central, door-closed aperture 4 in the cover 3 and an outlet 44 for the waste receptacle 47 are provided.
Patent GB-593943-A (GB)
Title: Improvements relating to brush holders for dynamo-electric machines
IPC: H01R39/38
Filed: 1945-06-20
Abstract: 593,943. Brush - holders for dynamoelectric machines. ROTAX, Ltd., and GILBERT, W. F. June 20, 1945, No. 15760. [Class 35] A brush-holder with the brush in a metal tube projecting from a plunger mounted in a socket has the plunger held in the socket against spring pressure by the engagement of a ball or balls in a recess in the inner surface of the socket in a slot in the plunger, the arrangement being equivalent to a bayonet joint and enabling the plunger to be easily withdrawn to permit inspection or replacement of the brush. In the form shown, the two axial grooves n in the plunger c have extensions extending approximately circumferentially to provide pockets for the balls r which also project into arcuate grooves q in socket a and finger pressure on cap d integral with the plunger c towards the slip-ring or commutator h is necessary to release the balls from said pockets, whereupon spring s urges the plunger outwards, the balls being retained by ring t normally pressed against the plunger. Socket a may be integral with the machine frame b.
Patent GB-993400-A (GB)
Title: Synchro-machine
IPC: H02K24/00
Filed: 1964-04-16
Abstract: 993,400. Dynamo-electric machines. BENDIX CORPORATION. April 16, 1964 [May 1, 1963], No. 15820/64. Heading H2A. A synchro-machine comprises within a casing 12,14 a stator assembly 10 including a stator winding 23 to or from which electrical energy is conducted by a first connecting means, and two bearings 18, 19 supporting a rotor shaft 39 on which is mounted a rotor assembly 11 including a winding 44 to or from which electrical energy is conducted by a second connecting means which comprises coiled leads 46, 47 extending through one 19 of the bearings, located within an axial hollow end portion 61 of the shaft, and secured by a clamping device against movement relative to the casing. The coils comprise spring conductors 59 of berylliumcopper which bias the rotor to one limiting position as determined by the engagement of the arm 49 of a ring 50 keyed to the shaft with a stop pin 53 pressed in a ring 54 adjustably clamped by screws 32 to studs 30. The machine is rendered operable when immersed in a combustible liquid under pressure and over a wide temperature range, e.g. in an aircraft fuel tank, by eliminating contacts and making the two connecting means liquid-tight; the latter is achieved by encapsulating the stator and rotor connections with high temperature resistant compounds 26, 48, and compressing grommets 38, 63 about the stator cable 24 and rotor leads 46, 47. The leads are compressed by the coil clamping device which comprises two parts 57, 57 pivoted on the pin 53 and secured together by a screw 68.
Patent GB-1524022-A (GB)
Title: Inflatable impact-absorbing protectors
IPC: B60R21/00
Filed: 1975-08-11
Abstract: 1524022 InBatable protector P W BOTHWELL 11 Aug 1975 [10 May 1974] 15821/74 Heading A3V [Also in Division B7] An inflatable impact-absorbing protector comprising at least one deformable, normally deflated chamber 14, 15 includes an emitter 20 emitting a signal to a receiver 23 when a detector e.g. inertia sensor 19 detects excessive acceleration or deceleration, the receiver 23 then operating means to inflate the chamber or chambers. Receiver 23 operates a switching circuit (24) to supply current from power supply (25) to igniter (26) which ignites solid fuel pyrotechnic gas generators 16, 17 embedded in structure 11 to inflate bags 14, 15 on the external surface of structure 11 to protect the wearer's head, neck, chest and face. Emitter 20 emits short range radio, heat, light or hypersonic waves in a beam R towards the protector. Receiver 23 may respond to only a predetermined frequency which may be preset on the emitter. In motor vehicles or aircraft, the inflating means includes a gas cylinder mounted on the vehicle or aircraft and connected to the protector by a supply line including a normally closed valve opened by a pyrotechnic device or squib fired by the receiver which receives signals from the remotely-mounted emitter. A single emitter may control a number of protectors. The two or more chambers may have individual or common inflating means, receivers and emitters.
Patent GB-200081-A (GB)
Title: Process for the production of solutions of metal-iodide-alkali-iodide compounds suitable for use in therapeutics
IPC: A61K33/24
Filed: 1923-06-19
Abstract: 200,081. Truttwin, H. July 3, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Lotions; ointments; antiseptics.-Solutions of double iodides, such as bismuth potassium iodide, for treating gonorrhµa and for other therapeutic purposes, are prepared with such relative proportions of alkali iodide and an acid, such as lactic acid, that the solutions are capable of precipitating albumen but do not deposit basic iodides on dilution. Examples are given of solutions containing the double iodide with lactic acid alone or with lactic acid and additional potassium iodide. The solutions may be diluted for use or may be worked up with an ointment base. The bismuth compound may be replaced by corresponding compounds of silver, copper, lead or zinc, and the iodide may be formed in statu nascendi by the reaction of other salts such as bismuth nitrate and potassium iodide. The Specification refers also to the prior use of double iodide solutions containing a small quantity of acid and so large an excess of alkaline iodide as to prevent precipitation of albumens.