baber/WOPTO huggingface dataset:
Patent GB-693764-A (GB)
Title: Improvements relating to change speed turntable drives for talking machines using disc records
IPC: G11B19/265
Filed: 1950-06-28
Abstract: 693,764. Change-speed friction gearing. GUEST, L. V.. SHEPHARD, P., and BIRMINGHAM SOUND REPRODUCERS, Ltd. June 8, 1951 [June 28, 1950], No. 16215/50. Class 80 (ii). Change-speed friction gearing for gramophones, of the kind including a stepped friction wheel 9 adapted to be driven by the motor 3 of the machine and a rubber-tyred friction idler disc 13 adapted to engage between the stepped friction wheel and a circumferential surface 6 on the turntable, the stepped friction wheel and the friction idler disc being disposed for relative axial movement, is characterized by cams or projections 33, 34 being provided between adjacent portions 10, 11, 12 of the stepped wheel, to facilitate the passage of the idler from its smaller to its larger diameter portions, and by either the stepped friction wheel or the friction idler disc being biased in the axial direction to engage the idler disc with the larger diameter portion of the stepped friction wheel. As shown, the friction idler disc 13 is mounted for rotation on a pin 18 movable in a slot along an arm 16, and is urged to engage the stepped friction wheel &c. by a spring 21. The arm 16 is attached to a spindle 14, rotatable and axially movable in a sleeve 15, which is biased downwardly both by gravity and by a spring 30, so that the idler tends to engage with the portion 12 of the stepped wheel. The velocity ratio is changed by moving the spindle 14 vertically, this being effected by a lever 25, pivoted in a support 24, engaging the spindle 14 at one end and being engaged at its other end by a cam 26 on a rotatable spindle 27 turned by means of a knob 28. The cam 26 has three flat portions corresponding to the three ratios of the change speed gear, and is retained in one of the positions corresponding to a particular velocity ratio by a leaf spring 29. In a modification, Figs. 13, 14 (not shown), the stepped friction wheel 9, instead of being mounted directly on the motor spindle, is freely rotatable on a separate pin and has a rubber-tyred portion constantly engaging a cylindrical friction wheel on the motor spindle. In another modification, the idler is held against vertical motion, the stepped friction wheel 9 being splined to the motor shaft and itself moved vertically to produce a change of speed.
Patent GB-495977-A (GB)
Title: Ultra short wave transmission systems
IPC: H01Q19/10
Filed: 1937-06-11
Abstract: 495,977. Aerials; directive wireless signalling. STANDARD TELEPHONES & CABLES, Ltd. June 11, 1937, No. 16278. Convention date, July 21, 1936. [Class 40 (v)] The ends of the inner and outer conductors 1, 2 of a coaxial transmission line are flaredout as shown at 3 in Fig. 3, so that the radiation-resistance matches the surge impedance of the line. Energy then radiates from them as from an aerial. The optimum relation between the radii of the two conductors and the working wavelength is set out in the Specification. The ratio of the two radii should be constant along the length of the transmission line. A parabolic or other reflector may be used to concentrate the radiation in a desired direction. The reflector 4, 4<1> consists of two paraboloids intersecting at Z<1>, and produces a uniform field in the horizontal plane. The field may be given a downward inclination by setting the radiator 3 to one side of the focus. In Fig. 4, the radiator 3 and reflector 4 are mounted on a platform 7 set on a tower 6 over the transmitter house 5. A screen 8 protects the radiator from rain &c. The installation is particularly suitable for broadcasting television programmes.
Patent GB-561528-A (GB)
Title: Improvements relating to systems for the rectification of alternating electric currents
IPC: H02M7/06
Filed: 1942-11-18
Abstract: 561,528. Rectifying alternating current. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and WALKER, A. H. B. Nov. 18, 1942, No. 16309. [Class 38 (ii)] In a rectifying arrangement comprising a number of units A, B, each of which comprises a pair of transformers T1, T2, of which the primaries are in series, one being shunted by a condenser C, while the secondaries are Scottconnected to a polyphase group of rectifiers, each unit is designed to supply a fraction of the required voltage, and the output terminals are connected in series to the load. Fig. 2 shows the connections in the case of a single phase supply 5, 6. Arrangements in which three units are connected on the input side in delta and in star to a three-phase supply are described with reference to Figs. 3 and 4 (not shown). Specification 493,362 is referred to.
Patent GB-555035-A (GB)
Title: Improvements in or relating to couplings for tubes, pipes, or the like
IPC: F16L29/00
Filed: 1941-12-19
Abstract: 555,035. Pipe couplings. STEVENS, A. H. (Thompson Products, Inc.). Dec. 19, 1941, No. 16417. Addition to 552,932. [Class 99 (i)] A coupling, particularly for connecting conduits on aircraft, comprising a rotary valve made in two sections 41, 42 retained in partcylindrical recesses 26, 27 in the two coupling- members so that when turned to the position shown in Fig. 9 to disconnect the coupling the conduits are sealed as described in the parent Specification, is modified to serve for the connection of several such conduits 16 ... 19 and 16a ... 19a. Fig. 8 shows the couplings disconnected and of different cross sections, all adapted to be connected together by a single rotary valve 41, 42, when this is turned through 90 degrees from the position shown. Flanges 43, 44, 45 and 43a, 44a, 45a on the valve parts engage corresponding flanges on the coupling- members, and when the coupling is made the flanges on each valve part are turned to come behind the flanges of the other coupling- member.
Patent GB-351203-A (GB)
Title: Dressmakers' lay-figures or busts
IPC: A41H5/00
Filed: 1930-05-28
Abstract: A dressmakers' lay figure or bust is produced by filling with a plastic mass &c. a cover or envelope formed of two square pieces of fabric sewn together along their edges, each piece being cut to provide rhombic and cuneiform openings the adjacent and opposed edges of which are sewn together to close the openings.  The bust as formed may be used as a pattern to prepare a mould for casting busts.
Patent GB-1044125-A (GB)
Title: A device for gripping electrical plug-in component for withdrawing it from or inserting it into socket means
IPC: H05K13/04
Filed: 1964-04-21
Abstract: 1,044,125. Holding and picking-up tools. UNITED-CARR Inc. April 21, 1964 [May 21, 1963], No. 16543/64. Heading B4W. [Also in Division H2] A device for gripping a micro-tube or other plug-in component, to facilitate its withdrawal from or insertion into a holder or socket, comprises relatively movable inner and outer body members 18, 1, the inner member being formed with three radially yieldable jaws which may be specially shaped for gripping the component. An operator holds the device by a flange 11 of the outer member 1 and a plunger 53 which is depressed against the action of a spring 37 to move the inner member outwardly so as to allow the jaws to open. When the plunger is released, the jaws are compressed on to the component. The jaws have a shoulder 25 to engage the end of the component and may have a gritty powder embedded in them.
Patent GB-186392-A (GB)
Title: Improvements in heat regulators for incubators and the like
IPC: A01K41/02
Filed: 1921-08-29
Abstract: 186,392. Wilks, R. C. Aug. 29, 1921. Thermostats.-In an incubator &c. the temperature is regulated by a sleeve a sliding on the wick-tube b and operated by a lever c pivoted at f, carried alongside the sleeve a, and connected at the opposite end to a thermostatic capsule &c. The lever c is curved upwardly from the pivot f and is formed with a knife-edge, passing through a loop or guide d on the sleeve a.
Patent GB-1390074-A (GB)
Title: Detection and correction of phase encoded data
Inventor: CARPENTIER ANTHONY L
IPC: G11B20/14
Filed: 1972-04-11
Abstract: 1390074 Reading phase encoded data STORAGE TECHNOLOGY CORP 11 April 1972 [17 May 1971] 16675/72 Heading G4C Phase distortion in a phase encoded binary signal, e.g. read from a magnetic tape is detected by a circuit comprising a clock generator 10 normally synchronized with the data signal A, a clock and data phase comparator 12 and an arrangement for detecting when a data transition does not coincide with a change in state of the clock signal. The X-OR comparator 12 produces an output which, in the absence of phase distortion represents the in- and outof phase relationship between data A and clock B. AND gates 14 supply alternate fit cell components of comparator output C to respective integrators 20, 22 and a comparator latch 24 is clocked at the end of each bit cell to produce a 1 data output 3 if the active integrator output is positive and is reset to 0 at the centre of each bit cell. A first phase error is detected by a latch 26 if the output of the active integrator lies between positive and negative thresholds at the end of a bit cell, and a second phase error circuit 28 produces an output L if a data transition does not cocur in a predefined window which may include the centre of a bit cell. In reading a multi-track tape, successive bytes are entered parallel into a skew buffer 38, Fig. 4, and the phase error signals K, L are entered in buffers 40, 42 each having one bit per data track. On read-out from buffer 38 to register 44, each byte is parity checked at 50, and in the presence of a parity error and a phase error detected by OR gates 46, an AND gate 52 corresponding to the bad track is enabled to correct the erroneous bit in EX-OR gates 54.
Patent GB-564801-A (GB)
Title: Device to facilitate the transportation of cylindrical objects of varying diameters such a boilers and the like
IPC: B60P3/22
Filed: 1942-11-25
Abstract: 564,801. Vehicles adapted for carrying special loads; lorries. RICHARDS, H., and HENSON, W. Nov. 25, 1942, No. 16688. [Class 108 (i)] A device to facilitate the transportation of cylindrical objects of various diameters, such as boilers, comprises a flanged channel member A for attachment to a vehicle platform and having attached to it wedge-shaped members B held by bolts 1, 2 in longitudinal slots of member A at distances such that the boilers are held in position by engagement with them of the wedges B. Extension pieces sliding in the end portions of member A may be bolted in position by the bolts 1, 2, being provided with swivelling end plates for use when fixing chains are used.
Patent GB-418192-A (GB)
Title: Bathing suit
IPC: A41D7/00
Filed: 1934-06-05
Abstract: 418,192. Swimming and sun-bathing costumes. IRMONE, 38, Rue Montaigne, Paris. June 5, 1934, Nos. 16740 and 16741. Convention dates, June 13, 1933 and April 14, 1934. [Class 77.] To avoid the use of shoulder straps in sunbathing and swimming costumes, the costume is provided at its upper edge 2 with a series of darts 3, and the back of the costume is provided with cross straps 4, 4<1>, to fit round the waist of the wearer. A cord 7 secured to the front part of the costume may, when desired, be fastened round the wearer's neck. The lower part of the costume is made without the insertion of an intermediate piece in the fork, the shape being obtained by suitable reductions in the knitted fabric. For purposes of a better fit, the edges of the neck and leg opening may be formed of ribbed knitted fabric, and elastic threads may be incorporated in the knitting.
Patent GB-547665-A (GB)
Title: Arrangement for indicating a characteristic of an alternating current electric supply system
IPC: G01R19/06
Filed: 1940-11-22
Abstract: 547,665. Current, frequency, and phase-difference measurements, STANDARD TELEPHONES & CABLES, Ltd., McWHIRTER, E. M. S., and CHAMBERS, C. H. Nov. 22, 1940; No. 16802. [Class 37] In an arrangement for indicating a characteristic of a supply system a common iron core carries three coils, of which one is connected in series and one in shunt with the load so that their fluxes in the core are balanced, and the third is connected to an indicator operated by the potential induced by an unbalance of the core flux resulting from a variation from normal of the characteristic. A triple-wound transformer TR has a primary winding P in series with the load LD, a secondary winding S in shunt across it, and a tertiary winding T connected to a telephone type relay RL or a meter through a rectifier bridge RB. The coils P, S are so proportioned that at a certain supply voltage they generate equal and opposite magnetomotive forces. Variation of the supply voltage within limits affects both coils equally, but a change in the load LD affects the current in the winding P without altering that in the coil S in the same manner. Current is then induced in the test winding T and is indicated or operates a relay. Adjustment is effected by a variable resistance R and by tappings on the winding S. If the load is a bank of lamps, failure of one lamp may be indicated. The resistance R may be a metal filament lamp, enabling the balance of flux to be maintained over a wide variation in applied voltage. If the load is inductive, variations of power factor are indicated. Change of frequency may be indicated by substituting an inductance for the load LD and a condenser for the resistance R, balance occurring at a particular frequency. The transformer TR may have a high permeability core which becomes saturated at an overload. The relay RL may be marginal in adjustment to provide a pre-set alarm device.
Patent GB-942971-A (GB)
Title: Process for the production of graft and block copolymers
IPC: D06M14/10
Filed: 1962-05-02
Abstract: Graft and block polymers are made by polymerizing unsaturated monomers and polymers containing alcoholic hydroxyl groups in the presence of periodic acid or a salt thereof as an activator. Polymers specified are cellulose, etherified cellulose, polymers of beta-hydroxyethyl acrylate and methacrylate, polymers of glycerin and glycol acrylates and methacrylates, ethoxylated polyvinyl alcohol, polyethylene oxide containing terminal hydroxyl groups, polypropylene glycol, saponified polymers of vinylidene carbonate, and a copolymer of vinylchloride, vinyl acetate and monoethyleneglycol maleate.  The use of polyglycols gives rise to block polymers.  Monomers specified are styrene, acrylic and methacrylic acids and their amides, esters and nitriles, vinyl esters, vinyl halides, vinyl pyrrolidones, vinyl pyridines, vinyl carbazoles, butadiene, isoprene, and mixtures thereof with one another or with maleic or fumaric acid.  The polymerization may be carried out in water,-aqueous methanol or pure organic solvents. The examples describe the grafting on to cotton cloth of acrylonitrile, acrylic acid, N-tert.-butyl acrylamide, methyl methacrylate and a mixture of methyl methacrylate and acrylonitrile, the grafting of acrylonitrile on to a vinyl chloride/vinyl acetate/monoethyleneglycol maleate copolymer, and the formation of a block copolymer of acrylonitrile and a polyethylene glycol containing terminal hydroxyl groups.
Patent GB-797204-A (GB)
Title: Improvements relating to current and voltage regulating arrangements
IPC: G05F1/33
Filed: 1954-06-08
Abstract: 797,204. Magnetic amplifiers. HARMER, H. M. Sept. 8, 1955 [June 8, 1954], No. 16819/54. Class 40 (4). Two transductors 1 and 7a are connected to a source of voltage regulated D.C. across terminals 2 and have windings P and Pa connected in series and supplied with A.C. from terminals 3, transductor 1 having a reactance controlled by current drawn from the source of regulated D.C. and transductor 7a having a reactance controlled by the difference between direct current in a winding S1 which is substantially constant, and current in a winding S2 which is proportional to the current taken by a load connected across terminals 4. It is arranged that the opposing currents in windings S1 and S2 cancel when full load current is drawn and that as the load current increases from zero the reactance of P decreases while the reactance of Pa increases. The load across terminals 4 draws current from a rectifier 5 which is supplied by A.C. induced in winding Sa of transductor 7a. For low-load current, with the reactance of P high and that of Pa low, Pa takes a small fraction of the A.C. supply voltage and the output of rectifier 5 is low. For full load current, with the reactance of P low and that of Pa high, a higher voltage is supplied to the rectifier 5. In Fig. 2 windings S3 and Sa3 are shown whereby an additional and constant A.C. voltage is supplied to rectifier 5. Fig. 3 (not shown) illustrates the use of a three-phase supply. The source of voltage regulated D.C. may be that described with reference to Fig. 4 of Specification 668,641, [Group XXXV], and the variable bias required by this arrangement may be obtained by rectifying a portion of the current supplied to rectifier 5; see Figs. 3 and 4 (not shown) of the present Specification. Specification 637,663 also is referred to.
Patent GB-1078351-A (GB)
Title: Improvements in or relating to rotary internal combustion engines
IPC: F02B53/00
Filed: 1964-04-23
Abstract: 1,078,351. Rotary internal combustion engines. W. H. ANGRAVE. April 23, 1965 [April 23, 1964], No.16829/64. Heading F1F. A rotary internal combustion engine comprises a cylindrical rotor splined to a shaft 17, Fig. 1, for rotation in a casing liner 26 of substantially elliptical shape with a flattened periphery adjacent one end of its minor axis. The rotor which abuts the flattened periphery is adjacent to but does not touch the other end of the minor axis. Hollow vanes 23, as shown four in number, having holes 41 at their rounded tips through which lubricant can pass, slide in slots 21 extending the width of the rotor but which are offset rearwardly of and parallel to a rotor radius. Coil springs 28 urge the vanes outwardly of the slots into sliding contact with the liner. Gaseous fuel - air mixture drawn in through a port 37, is, on rotation of the rotor in the direction of the arrow 22, compressed, ignited by a spark plug 38, expanded and finally exhausted through a port 36, with an explosion occurring in each of the four intervane spaces during each revolution of the shaft 17. Between the liner 26 and outer casing 10 exist cooling spaces 13 through which either liquid or air may circulate. The casing is made in two flanged halves bolted together with an interposed gasket to prevent leakage, the bolts passing through holes 35 in flanges 34.
Patent GB-729562-A (GB)
Title: Improvements in and relating to printing machines primarily for printing pottery transfers
Inventor: DRAKE TOM
IPC: B41F17/00
Filed: 1952-07-05
Abstract: 729,562. Printing-machines; inking-apparatus. SERVICE (ENGINEERS), Ltd. July 3, 1953 [July 5, 1952], No. 16940/52. Class 100 (2). A hollow cylindrical printing roller, particularly in a machine for printing pottery transfers, is carried between a pair of flanged collets or bosses, one fitting into each end of the roller, the diameter of the flanges being no greater than that of the roller itself. A full-length doctor blade and impression roller may thus be used without fouling the end supports of a shortlength printing roller. As shown in Fig. 3, the exchangeable copper &c. printing cylinder 21 is keyed at 22, 24 to collets 20, 25 whose flanges 20a, 25a are of smaller diameter than the cylinder 21; the collet 20 is screwed or otherwise detachably mounted on a headstock 16 carried in a bearing 17 and belt- or chain-driven at 14, Fig. 2, from an electric motor 11 with reduction gear; the collet 25 is rotatable on a tailstock 26 axially adjustable in a bearing 27 in which it is locked by a set-screw (not shown) engaging a key-way 26a. Steam, gas or electric heating is provided within the cylinder 21, such as by a manually or thermostatically controlled electric cartridge heater within a tube 28, fed through a cable 29. A full-length rubber &c. impression cylinder 31 and doctor blade 30 are adjustable, to suit cylinders 21 of different diameters, respectively by axially restrained rotatable collars 35, Fig. 2, engaging non-rotary threaded rods 36 supporting the cylinder bearings 33, and by a screw 38. The paper web 41 is fed from a roll 40.
Patent GB-502561-A (GB)
Title: Universal panoramic telescope
IPC: G02B23/08
Filed: 1937-06-18
Abstract: 502,561. Panoramic telescopes. BARONI, A. June 18, 1937, No. 17050. Convention date, June 18, 1936. [Class 97 (i)] A panoramic telescope comprises a prism 1 rotatable about an axis III-IV to explore in azimuth and about an axis II-III to explore in elevation, and includes means whereby the image is maintained " erect " during such exploration, i.e. orientated as it would be seen by an observer who effected such exploration with the naked eye. The prism 1 is attached to a drum 8 rotatable on a liner 9 carrying a prism 2 and integral with a tube 10 rotatable about the axis III, IV. Attached to the drum 8 is a bevel gear 16a meshing with a bevel 17 attached to a tube rotatable in the tube 10 carrying at its lower end a bevel gear 14 forming one of the crown wheels of a differential gear. The telescope proper comprises objective 4, prism 5 graticule 6 and eyepiece 7. These are attached to a rotatable tube 18 which has at its upper end the other crown wheel 15 of the differential gear. The planets 13 are attached to a housing containing the Amici prism 3. Rotations of various parts of the apparatus are thus accompanied by rotations of the Amici prism of half their value, to maintain the observed image " erect," Worm and pinion mechanisms are provided for the various adjustments. The Specification describes also a telescope in which the Amici prism is replaced by an equivalent device as described in Specification 485,055.
Patent GB-789861-A (GB)
Title: Improvements in method of forming gun barrels
IPC: B21C37/15
Filed: 1956-06-01
Abstract: 789,861. Making gun barrels; forging. CANADIAN INGERSOLL-RAND CO., Ltd. June 1, 1956 [Sept. 14, 1955], No. 17061/56. Classes 83 (2) and 83 (4). In a method of making gun barrels a cylindrical member 14, Fig. 1, with an oversize bore 10 and counterbore 12 is progressively coldswaged over a mandrel having a portion 18 which forms the cartridge chamber and a portion 18a which forms a part of the bore. The member 14 may be initially reduced in diameter over the bore portion 22 by grinding or cutting so that only the portion x in the region of the cartridge chamber is oversize for the swaging operation and the bore portion cannot be inadvertently swaged. For subsequent forming of the bore portion over a mandrel 20, Fig. 3, the cartridge chamber portion is ground down to smaller size so that only the rifled portion 22 is swaged. A tapered lead for the rifling may be obtained by having the mandrel 18a slightly oversize and by leaving a portion y, Fig. 3, of the barrel unreduced by grinding so that a short portion of the rifled bore in the region of the shoulders 19, 21 is not swaged in the second swaging operation. The mandrel 18, 18a is supported on a piston-rod 14 subjected to hydraulic pressure in a cylinder 32 (not shown), which forces the mandrel against the shoulders 19, 21 to prevent it being forced outwards by the swaging of the dies 24. At the end of the swaging operation the cylinder is reversed to withdraw the mandrel. The mandrel 20 for the rifled bore is mounted on the end of a pistonrod 72, Fig. 9, which is progressively moved under the dies 24 by an hydraulic cylinder 50. The rod 72 is rotatably held in position in a fixed plate 76 by a thrust bearing 74. In a modification a separate rifling mandrel may be attached by a spigot to the end of the cartridge chamber mandrel 18, 18a and is separated therefrom as the barrel moves through the swaging dies.