baber/WOPTO huggingface dataset:
Patent GB-289221-A (GB)
Title: Improvements in or relating to the spring suspension of road vehicles
IPC: B60G11/10
Filed: 1927-03-11
Abstract: 289,221. Leyland Motors, Ltd., and Rackham, G. J. March 11, 1927. Axle attachments.-The end of a laminar spring is connected to the axle or frame through the medium of a rocking plate engaging a rotatable shackle pin to prevent twisting of the spring during relative angular movements between the axle and frame. The attachment may be used to connect one end of a cantilever spring to the axle, or the ends of a semi-elliptic spring to the frame. The rocking plate constituted by a curved flange 12 on a plate 11 secured to the spring 5 engages a groove 13 in a pin 9 mounted in a bearing 10 in a member 8 secured, as shown, to the axle casing 6. The member 8 may be enclosed by a leather cap 15 and filled with lubricant. The pin 9 may be capable of sliding transversely of the vehicle between end caps 10<a> in the member 8 so as to permit the wheels of a twinrear-axle type of vehicle to run slightly out of track with each other without stressing the springs.
Patent GB-697864-A (GB)
Title: Improvements in or relating to hair springs
Inventor: DAVIS WILFRED OWEN
IPC: F16F1/10
Filed: 1951-03-22
Abstract: 697,864. Clocks and watches. SMITH & SONS (ENGLAND), Ltd., S. March 13, 1952 [March 22, 1951], No. 6860/51. Drawings to Specification. Class 139 [Also in Group XXXII] A hair spring is of material of uniform cross section, and is of spiral form except for an outer terminal portion, which is joined tangentially to the spiral portion, and is of material of at least twice the thickness of that of the spiral portion, and is so shaped and arranged in the plane of the spiral that there is no sinusoidal departure from proportionality between deflection and torque of the spring. The end of the terminal portion is encasted. The terminal portion is preferably in the form of a circular arc having its centre at the centre of the spiral portion, and is of uniform cross-section. The increased stiffness may be obtained by plating the end of a conventional spring, or by joining to such end an additional strip. Alternatively, it may be obtained in the process. of rolling a spring, by increasing the distance apart of the rollers. Formulae are derived in the specification relating to the radii of the terminal and spiral portions of the spring (in equilibrium position), the stiffnesses of these portions, and the angle subtended at the centre of the arc formed by the terminal portion. A spring of beryllium copper according to the invention is described in the Provisional Specification as applied to a tachometer.
Patent GB-609090-A (GB)
Title: Improvements in or relating to the de-icing of refrigerating plant
IPC: F25D21/12
Filed: 1946-03-05
Abstract: <PICT:0609090/IV(a)/1> In low-temperature polymerization using Friedel-Crafts catalysts, a mixture of isoprene and isobutylene with methyl chloride as diluent is cooled by ammonia in chillers 1, 2, 3 and then further cooled by ethylene in chillers 4, 5, 6 to about -100 DEG  C., the material passing as shown by the closed arrows.  When the insides of the chillers become covered with ice refrigeration and the feed of material is stopped and dry methyl chloride and isobutylene is introduced through line 9 and passes through the chillers 4, 5, 6 as shown by the open arrows to melt the ice.  The cold condensate and water is forced by the entering gas into a steam heater 13 where it is vaporized and passes to storage.
Patent GB-180759-A (GB)
Title: Improvements in or relating to turnshoe reforming or like machines
IPC: A43D3/14
Filed: 1921-03-02
Abstract: 180,759. Bates, A., and British United Shoe Machinery Co., Ltd. March 2, 1921. Turnshoes, machines for.-Relates to machines of the type described in Specification 25059/09 for reforming turnshoes or like operations, wherein a bottomed shoe in process of manufacture is shaped or stretched by the expansion therein of a divided last or form, and consists in (a) means to arrest the yielding separation of the parts of the divided last when a predetermined expansion has been reached, and (b) means including a part entering between the upper and the last to conform the inner surface of the shoe to the last. As shown, the divided last 2, 5 is expanded by a toggle 9, 10 actuated by a rod 12 connected at its lower end to a lever resiliently actuated by a crank performing half a revolution for each revolution of a main driving shaft driven by a one-revolution clutch. The expansion of the last is limited bv an adjustable screw stop 14. A gauge is provided for determining the position of the stop comprising a bar 20 having at one end a slide 21 co-operating with size graduations and at the other end a spring pressed pointer engaging the toe of the last. A cam may be substituted for the screw stop 14. Grippers 31, 33, operated by rods 43 each engaging a roll 46 moving with the toe part 5 of the last, stretch the upper as the last expands. The grippers may be manually operated.
Patent GB-1043621-A (GB)
Title: Electrical control circuits embodying semiconductor devices
IPC: H04L12/54
Filed: 1964-02-19
Abstract: 1,043,621. Circuits employing field-effect transistors. RADIO CORPORATION OF AMERICA. Feb. 19, 1964 [March 7, 1963], No. 6976/64. Heading H3T. An insulated-gate field-effect transistor is connected in series or in shunt with a signal path interconnecting a signal source and a load so as to serve as a controllable attenuator, the control being effected by a control voltage applied between source and gate electrodes. Fig. 6 shows a switching circuit interconnecting a source 84 and load 82, field-effect transistor 60 being connected in series in the signal path between the source and load and field-effect transistor 62 being connected to shunt the load. Oppositely varying signals are applied from a control-signal source 90 to the gate electrodes of the transistors. In Fig. 7 in which A.G.C. is applied to a R.F. amplifying stage 192 of a radio receiver both series and shunt attenuating field-effect transistors 178, 180 are provided, the oppositely-varying control voltages applied to their gate electrodes being derived respectively from the input to the base and the output from the collector of a PNP junction transistor 212. The A.G.C. voltage varying between O and - E 1  volts is applied to the base of transistor 212.
Patent GB-1195901-A (GB)
Title: Fibre Treating Apparatus.
Inventor: FRASER HUGH
IPC: D01B1/10
Filed: 1967-02-14
Abstract: 1,195,901. Splitting bast fibres and leaf. GIDDINGS & LEWIS-FRASER Ltd. 12 Sept., 1967 [14 Feb., 1967], No. 6979/67. Heading D1N. A decorticating apparatus of the kind having the centra-rotating rollers 1 and 2 spring urged together includes a throttle blade 3 mounted to form a seal with one roller 1 and to define together with the roller peripheries a chamber 11 having an inlet defined by the nip 22 and an outlet 12 defined by the gap between the edge 25 of the blade and the periphery of roller 2. The blade is adjustably mounted such that it can be moved to alter gap 12 without disturbing the seal between it and the roller. A spring or pneumatic device acts downwardly on the blade during operation of the apparatus. Fibrous material coming through the nip 22 builds up in the chamber 11. Consequently the fibres buckle, which forces the fibres from the non- fibrous material and the now plastic mass of fibres and separated tissue are extended through outlet 12 and removed by conveyer 105.
Patent GB-1097082-A (GB)
Title: Particle counter
IPC: G06M1/10
Filed: 1965-02-18
Abstract: 1, 097, 082. Photo-electric flow cell analysis. TECHNICON INSTRUMENTS CORPORATION. Feb. 18, 1965 [Jan. 25, 1965], No.7016/65. Heading G1A. In a, flow cell for the photo-electric analysis of a sample fluid a stream of wash fluid is intermittently passed through the flow cell in a direction opposite to that of the sample fluid. A photo-electric particle counter comprises a flow cell 400, Fig. 2, illuminated by light from a lamp 18 through lenses 42, 44, 50 and a field stop 54. Light scattered from a particle, e. g. a blood cell, in the flow cell 400 enters a light collector 80, comprising concave mirrors 86, 92, through the annular space between opaque discs 94, 96. The scattered light passes from the light collector to a photo-multiplier 132 which generates pulses corresponding to particles in the flow cell. These pulses are applied via a threshold discriminator to a counter. The threshold of the discriminator may be adjusted so that only desired pulses are counted and a cathode ray tube is provided to display the amplitude of the pulse to facilitate this adjustment. The flow cell comprises a pair of side plates 480, 482, Fig. 7, separated by spacer plates 484, 486. The side plates are machined at 496 a, b; 498 a, b so that the cross-sectional area of the flow cell is uniform. The flow cell is clamped together by valve blocks 402, 404, Fig. 4. In the position shown, sample liquid in conduit 458 passes through the flow cell after bubbles have been removed by a de-bubbler 414 and goes to waste through a conduit 472. Periodically, between samples, the valves 422, 438 are reversed by rotary solenoids and wash liquid passes from a source 470 through the flow cell and to waste via conduit 462. In a modification Figs. 12-15 (not shown), the valve blocks are separated from the flow cell and operated by a single rotary solenoid. An eyepiece is insertable into the light collector to check the alignment of the optical system. A device for taking blood samples in turn from a plurality of containers on an indexable turn-table is described, Fig. 11 (not shown). The device. produces in a tube a stream of samples each mixed with dilutant and separated by air bubbles.
Patent GB-1365762-A (GB)
Title: Meat skinning machine
IPC: A22C17/12
Filed: 1972-02-15
Abstract: 1365762 Meat skinning machines TOWNSEND ENG CO 15 Feb 1972 7047/72 Heading A2U In a meat skinning machine comprising a serrated, rotary gripping roll 46 which feeds meat 116 from a conveyer 40 towards a skinning blade 76, the two ends of the blade are secured to plates (not shown) which have arcuate portions to coact with the ends of the roll 46 to prevent engagement of the blade with the serrations, and these plates are pivotally engaged with spring-loaded plungers housed in members 62' mounted on the ends of arms 60 which are carried by a shaft 58 and are rigid with arms 84 having sprung telescopic connections with arms 100 on a shaft 102. The arrangement is such that the pressure of meat initially engaging the blade causes an anticlockwise movement of the arms 60 about the axis of the shaft 58, to bring the blade close to the roll for the skinning operation, the arms and blade being returned to their initial positions by springs 96 on completion of the operation. The springs in the housings 62' allow the blade to compensate for variations in thickness of the skin. The blade assembly is movable to a position for cleaning &c by clockwise movement of a handle 114 which, through arms 100 and the telescopic connections, causes anticlockwise movement of the arms 60.
Patent GB-796280-A (GB)
Title: Improvements in or relating to driving mechanism for the regulating wheels of centreless grinding machines
IPC: B24B41/04
Filed: 1957-03-04
Abstract: 796,280. Centreless grinding. LIDKOPINGS MEKANISKA VERKSTADS AKTIEBOLAG. March 4, 1957 [March 9, 1956], No. 7165/57. Class 60. [Also in Group XXIV] A driving mechanism for the regulating wheel 2 of a centreless grinding machine comprises auxiliary driving means 10, 11 adapted to exert upon the regulating spindle 5 a torque which is in the same direction as the torque exerted on the spindle through the contact of the grinding wheel upon the work and is of unaltered magnitude even during diminishing pressure of the grinding wheel upon the work. The regulating wheel is mounted on the spindle 5 which is driven by a worm 7 and wheel 8 from an electric motor, and, as shown, the auxiliary drive means take the form of an electric motor, of which the rotor 10 is mounted on the spindle 5 and cooperates with a stator 11. The torque from the auxiliary drive means is at least sufficient to overcome the friction in the spindle bearings 6, and between the work and the regulating wheel and work rest. The drive from the motor, therefore, always has a retarding effect upon the spindle, and the backlash between the worm and wheel, due to the regulating wheel being driven first by the motor and then by the grinding wheel, is eliminated. The auxiliary drive motor, which may alternatively be pneumatic or hydraulic, may be disposed laterally of the regulating wheel and connected to the spindle by a slip coupling and a belt or the like. Automatic or manual means may be provided to disconnect the auxiliary driving motor from the spindle.
Patent GB-780520-A (GB)
Title: New sulphur containing compounds
Inventor: STEVENSON HERBERT AUBREY
Filed: 1955-03-11
Abstract: The invention comprises benzyl phenyl sulphides of the formula: <FORM:0780520/IV (a)/1> in which one of the phenyl radicals X or Y is substituted by one or more cyano, carbonamido, carboxy, or alkoxycarbonyl groups, and may be additionally substituted by one or more atoms of Cl, Br, F or I, and the other phenyl is unsubstituted or substituted by one or more cyano, carbonamido, carboxy or alkoxycarbonyl groups or Cl, Br, F or I atoms, except that when Y is unsubstituted, X may not have ortho-carboxy; also a process for the production of some of the compounds by reaction between substituted benzyl halides: <FORM:0780520/IV (a)/2> and benzene thiols: <FORM:0780520/IV (a)/3> in which A or B is substituted by COOH or CN and may be additionally by Cl, Br, F or I and the other phenyl is substituted by COOH, CN, Cl, F, Br or I or is unsubstituted.  The -CN group may be obtained from dehydration of the -CONH2 group, and the COOH groups may be esterified.  The -COOH groups present may be converted to -CONH2 by action of ammonia on the acid chloride.  The invention also comprises acaricidal compositions (see Group VI).  In examples: p-chlorophenyl p-cyanobenzyl sulphide, p-cyanobenzyl phenyl sulphide, p-cyanobenzyl p-fluorophenyl sulphide, o-(p-cyanobenzyl thio)-benzoic acid, and o-(p-chlorobenzylthio)-benzoic acid are prepared by condensation of the required substituted benzyl sulphide with a suitably substituted benzene thiol; o-(p-chlorbenzylthio)-benzamide, and the corresponding p-cyanobenzylthio- and benzylthio-compounds, are prepared by the action of ammonia on the acid chlorides, obtainable from the acids; p-chlorobenzyl o-cyanophenyl sulphide, benzyl o-cyanophenyl sulphide and p-cyanobenzyl o-cyanophenyl sulphide, are obtained by the action of POCl3 on the corresponding carboxyamides; ethyl and methyl esters of o-(p-chlorobenzylthio)benzoic acid are prepared by esterification of the acid.ALSO:Acaricidal compositions comprise as active ingredient benzyl phenyl sulphides of the formula <FORM:0780520/VI/1> in which the radicles X and Y may be substituted by halogens with or without other groups (see Group IV (b)), and may be in the form of dusts, dispersions, smokes, mists and aerosols.  In examples, a dispersible powder is made from p-chlorophenyl p-cyanobenzyl sulphide, " Belloid " T.D. (Registered Trade Mark) and kaolin; an emulsifying agent and benzene with the above; and acetone with the same compound for an aerosol; other products which may be made up as active ingredients in compositions include phenyl benzyl sulphides substituted by fluoro and cyano, carboxylic ester and chloro.
Patent GB-947998-A (GB)
Title: Improvements in or relating to fluid flow control valve operating assemblies
IPC: F16K31/44
Filed: 1960-03-01
Abstract: 947,998. Valves; shaft couplings. W. D. CARDWELL. March 1, 1960 [March 2, 1959], No. 7267/60. Headings F2U and F2V. A valve operating assembly comprises an anvil plate 16, Fig. 3, provided with a central axle 15 and diametrically opposed lugs 18 which are preferably V-shaped. A striker plate 21 is rotatably mounted on the axle 15 and is provided with diametrically opposed striker pins 24 such that the pins 24 engage the lugs 18 whether the striker plate is rotated in a clockwise or a counterclockwise direction. The anvil plate 16 is operatively connected to the valve stem such that rotation of the striker plate 21 and hence the anvil plate 16 opens or closes the valve, the lost motion connection between these two latter parts enables an impact force to be applied to seat or unseat the valve. As shown the anvil plate may be connected to a mounting plate 11 which is itself secured to the nut of a conventional nut and screw threaded actuating mechanism. Alternatively the anvil plate 16 may be clamped directly to the handle of a cock. The striker plate 21 may be rotated as shown by a chain 28 engaging teeth 27a formed in the channel of the striker plate. Alternatively or additionally a handle may be bolted to the striker plate 21. In a further modification as shown in Fig. 7, rotation of the striker plate 21 rotates a ratchet body 18 provided with two ratchet fingers 81 such that when the striker plate 21 rotates to open the valve, the ratchet fingers rotate a threaded grease plunger 83 which forces grease from a reservoir 84, through a nipple 85, into the working parts of the valve.
Patent GB-140099-A (GB)
Title: Method for transferring pictures and photographs printed on paper on to a surface of different material
IPC: D06P5/24
Filed: 1920-03-10
Abstract: 140,099. Rooij, A. L. de, (Assignee of Leyden Co.). March 10, 1919, [Convention date]. Transferring designs, pictures, and the like; transfers.-Pictures, photographs, &c. printed on paper are transferred to layers of material such as fabric, or to porcelain tiles by a process in which the print is coated with a solution of collodion, and after this has dried the whole is soaked in warm water, and the collodion layer applied to a glass plate or tile, the backing being rolled, and finally removed. The design can be transferred from the glass plate to the required ground. As applied to coloured prints these are preferably brushed with a solution of gelatine containing formalin before applying the collodion, or the prints may be given a preliminary coating of one part of collodion preferably dissolved in two parts of alcohol of 96 per cent strength; or if desired one part by weight of castor oil, and 5 parts of turpentine may be added to 94 parts of collodion to make the collodion coating more flexible. The collodion may be applied in several layers, the first layer being allowed to dry before the second is applied. By the process, diapositives can be obtained from photographs on paper without using a sensitized plate.
Patent GB-1183275-A (GB)
Title: Cutting Device for Foam Material
Inventor: HUTTEMANN HELMUT
IPC: B26D3/28
Filed: 1968-02-14
Abstract: 1,183,275. Sawing. H. HUTTEMANN. 14 Feb., 1968 [23 Sept., 1967], No. 7325/68. Heading B5L. A device for cutting cavities of different depths in foam material slabs 6 or the like having plane parallel surfaces comprises a hollow cylinder 1, the shell of which has one or more openings 2, a pressure roller 5 for compressing the material of the slab when located on the cylinder through the opening or openings 2, and means 8 for cutting off the material of the slab protruding into the hollow cylinder. As described, the means 8 comprises a band saw which runs over roller 9, ... 12 and has its upper operative run close to the inner surface of the cylinder and in the plane of the axes of the cylinder and roller 5. The opening 2 in the cylinder corresponds to the shape of the cavity to be cut and the depth of the cavity is determined by the force applied to the material by the pressure roller.
Patent GB-1110354-A (GB)
Title: Logarithmic current amplifier
Inventor: LYDEN ANDERS GUSTAV
IPC: G06G7/24
Filed: 1966-02-18
Abstract: 1,110,354. Logarithmic circuits; neutron detectors. ATOMENERGI A.B. 18 Feb., 1966 [19 Feb., 1965], No. 7356/66. Heading G4G and G6P. [Also in Divisions G1 and H3] In a neutron dosimeter a detector comprising a chamber filled with boron trifluoride containing electrodes supplied with a high voltage is surrounded by a screen of polyethylene/boron plastic approximating the neutron response characteristics of the human body, and delivers pulses corresponding to the arrival of neutrons which are amplified and applied to a discriminator selecting pulses exceeding a given amplitude which are transformed to pulses of constant duration and amplitude which are integrated in capacitance C 1  and resistance R 1  with dividers D 1 , D 2 , Dg setting quiescent conditions, and the integrand voltage is applied to a feedback amplifier comprising PNP transistor To in common base connection with input to its emitter, and its collector connected to the base of a common emitter NPN transistor T 2 . The amplified output at the collector thereof is connected to the emitter of a NPN grounded base feedback transistor T 1  whose collector is connected to the amplifier input. It is shown that the loop gain is constant, and the amplified output proportional to the logarithm of the input is applied to the collector of NPN transistor T 3  in a chain of emitter followers T 3 , T 4 , T 5 . A similar chain of transistors T 6 , T 7 , T 8  is provided with a variable direct voltage from potentiometer R, applied across diode connected transistor T 9 , and the emitters of transistors T 6 , T 6  are interconnected by resistance R 3  in series with meter M reading neutron dosage. Temperature drift is connected by giving R 3  a positive temperature coefficient and adjusting R 7  to a critical value. A mathematical analysis is given.
Patent GB-495538-A (GB)
Title: Improvements in or relating to electric carrier signalling systems
IPC: H04H20/67
Filed: 1938-03-09
Abstract: 495,538. Multiplex wireless signalling. SIEMENS & HALSKE AKT.-GES. March 9, 1938, No. 7392. Convention date, March 9, 1937. [Class 40 (v)] A carrier signalling system comprises a master generator supplying a plurality of transmitters and /or receivers, and a plurality of normally inoperative subsidiary generators supplying carrier current individually to said transmitters and /or receivers only when the supply from the master generator is interrupted, when the subsidiary generators are adapted to be rendered operative automatically by means of relays.
Patent GB-1131811-A (GB)
Title: Integral tank for liquefied gas
IPC: F17C3/02
Filed: 1966-02-21
Abstract: 1,131,811. Ships carrying liquefied gases. GAZ-TRANSPORT. 21 Feb., 1966 [5 March, 1965], No. 7418/66. Headings B7A and B7S. [Also in Division F4] A tank for liquefied gas comprises an outer wall 3 (e.g. a ship's inner hull) having a layer of heat insulation blocks 1 and brackets 16 secured thereto, the brackets 16 supporting horizontal wooden bulwarks 16 provided with spaced apart straps 20 to which are secured plates 8 welded together to form an outer casing separated by insulation blocks 14 from an inner casing constructed from welded together plates 37. The bulwarks 15 are formed from sections having abutting angled ends, Fig. 2, located at each bracket 16, one of the ends being fixed to the bracket and the other being free to expand and contract. The plates 8 are provided with inwardly directed flanges (9), Fig. 4 (not shown), and the flanges of adjacent plates are welded to one of the limbs of an L-section bracket (11) the other downwardly directed limb of which is arranged to seat in a U-shaped channel (12) secured to the insulation blocks 1. The straps 20 are provided with threaded studs extending through the plates 8 for the attachment of supports 27 having vertical pins 28 for engaging in holes provided at the ends of vertical channel members 29. The blocks of insulation 14 are held in position against the plates 8 by bolts (33), Fig. 8 (not shown), screwed into the channel members 29. U-shaped members mounted on the blocks 14 are interlocked with U-shaped members welded in position between adjacent flanges on the plates 37 of the inner casing to thereby permit relative sliding movement therebetween. The blocks 1, 14 are in the form of wood boxes filled with perlite.