baber/WOPTO huggingface dataset:
Patent GB-425234-A (GB)
Title: Improvements in or relating to cathode ray tubes
IPC: H01J29/82
Filed: 1933-09-11
Abstract: 425,234. Cathode-ray tubes. ELECTRIC & MUSICAL INDUSTRIES, Ltd., Blyth Road, Hayes, Middlesex, and TEDHAM, W. F., 267, Woolwich Road, Abbey Wood, London. Sept. 11, 1933, No. 25158. [Class 39 (i)] Electrodes are aligned by mounting them as sliding fits in single internally cylindrical insulating tube 5 which may be rigidly attached to and project from and within the envelope 1. If the electrodes are not of equal external diameter, they may be attached to mounts. The electrodes may also be slotted and sprung inside the tube. As shown, a modulator electrode 8 and a first anode 9 are mounted in the tube 5. A lead 23 sealed in a four-armed pinch 6 is led through holes 19, 17 in the tube 5 and secured to the electrode 8, being supported near the electrode 8 by a rod 27. A lead 29 to the anode 9 is similarly passed through holes in the tube 5. The indirectly heated cathode 7 viewed through a window 16 in the electrode 8 is supported from the pinch 6 and is adjusted in position by kinks 12 in the heater leads and a loop 13 in the cathode lead. A second anode 4 may be a metal coating on the glass wall 1 or a sliding fit in the wall 1 and may carry a frusto-conical extension into the part 2 of the envelope. Apertured diaphragms 22, 28 are arranged in the electrodes 8, 9, the diaphragm 22 being close to the cathode. The tube 5 carries spring guides 33 and a disc 35 for a getter. Holes 18, 19 &c. facilitate evacuation of the interior of the tube 5. Leads to deflector plates may pass through the pinch and through the holes 19, 20. In a modification, the tube 5 is found by a cylindrical part of the envelope below a short cylindrical part containing the anode 4.
Patent GB-1271742-A (GB)
Title: Noise-suppressing mounting for rotary electrical machinery
Inventor: BUNEA VICTOR
IPC: H02K5/24
Filed: 1969-05-16
Abstract: 1,271,742. Dynamo-electric machine casings. UZINA DE MASINI ELECTRICE BUCURESTI. 16 May, 1969 [17 May, 1968], No. 25185/69. Heading H2A. Noise from a dynamo-electric machine 1, such as a rotary converter, is reduced by resiliently mounting it on a bed-plate 2 and covering it with a hood 4, lined with soundproofing material 5, electrical connections to the machine being made by conductors passing below the bottom of the hood. As shown, the resilient mounting comprises springs 3 and connections 7 to the terminal board 6 of the machine are led into the hood through holes 8 in the bed-plate. In other arrangements, the terminal board either is attached to the exterior of the hood, Fig. 2 (not shown), or is mounted on the bed-plate away from the machine, Fig. 3 (not shown), leads to the machine in both arrangements being led under the lower edge of the hood. Cooling-water pipes may also be led into the hood with the leads.
Patent GB-807504-A (GB)
Title: Combined beam-intensity and sweep-control apparatus for a cathode-ray tube
Inventor: JEPMOND HOWARD KRISTIAN VAN
IPC: H04N3/22
Filed: 1956-08-17
Abstract: 807,504. Cathode-ray tube circuits, HAZEL TINE CORPORATION. Aug. 17, 1956, No. 25249/56. Class 40 (7). Relates to a television receiver with display cathode-ray tube 60 having an E.H.T. supply 64 of poor regulation such that when the average brightness, of the display is increased by manual operation of the brightness control the consequent decrease in E.H.T. due to increased beam current causes an increase in the picture size. According to the present invention such imdesirable changes in picture size are prevented by applying the brightness control. voltage to vary the amplitude of the sweep waveforms. The invention is described as applied to a system including a frame sweep generator as claimed in Specification 799,542 which comprises a tetrode 10, the anode and screen grid being intercoupled by a positive feedback circuit comprising a transformer 14 and the anode and control grid being intercoupled by a negative feedback Miller circuit comprising capacitors 24 and 26. The picture brightness is controlled by a potentiometer 56 whose slider is connected to the cathode of the C.R.T. 60 via a resistor 58 and in accordance with the present invention the slider is also connected via resistors 54, 20 and winding 14b of transformer 14 to the screen grid of the tetrode 10 to control. the amplitude of the sweep output. The picture height is controlled by a variable resistor 18 which controls the amplitude of the sweep waveform independently of the brightness control. The flyback trace is blanked out by coupling the screen of the tetrode 10 to the grid of the C.R.T. via a capacity potential divider 48, 50.
Patent GB-857036-A (GB)
Title: Improvements in or relating to mops
Inventor: SEYMOUR HAROLD JAMES
IPC: A47L13/146
Filed: 1958-08-07
Abstract: 857,036. Sponge mops. SEYMOUR Ltd., H. J. Aug. 6, 1959 [Aug. 7, 1958], No. 25281/58. Class 19. [Also in Group XXV] The sponge of a sponge mop is secured to a pair of hinged-together plates 7, 8 having on adjacent edges lugs 9, 10. The lugs of one plate extend between the lugs of the other plate. A hinge pin 15 is housed in the grooves 13 formed in the upper surface of the lugs adjacent the roots thereof, and is retained in these recesses by torsion springs 16, which surround the pin and underlie the plates 7, 8. A tubular handle socket is provided on the back of one plate and a short handle on the other so that the sponge can easily be wrung by folding the plates together against the torsion springs, which act to swing the plates away from one another to an extent determined by the lugs of one plate engaging against the back of the other plate.
Patent GB-1429036-A (GB)
Title: 1,3,7-triene hydrocarbosn and their preparation
IPC: C07C2/40
Filed: 1973-05-25
Abstract: 1429036 Dimerizing conjugated dienes TAKASAGO PERFUMERY CO Ltd 25 May 1973 25311/73 Heading C5E [Also in Division B1] A 1,3,7-triene hydrocarbon of the Formula (I) where R is a saturated or unsaturated hydrocarbyl group, is prepared by dimerizing a conjugated diene CH 2 =CR.CH=CH 2  in an alcohol solvent in the presence of a catalyst comprising bis-(cyclooctadiene)nickel and a trialkylphosphine. Examples describe the dimerizations of (1) isoprene, (2) myrcene and (3) #-farnesene. Selective hydrogenation of the product of Example 3 with Raney Ni gives a squalene having the same structure as natural squalene.
Patent GB-1149404-A (GB)
Title: A scrap-metal press
Inventor: TEZUKA KUNITOSHI
IPC: B30B9/32
Filed: 1966-06-07
Abstract: 1,149,404. Consolidating scrap. TEZUKA KOSAN K.K. 7 June, 1966, No. 25413/66. Heading B3H. Apparatus for consolidating metal scrap comprises a compression chamber 1 having slidable therein a pressure plate 3, and a closure member 4 carrying a plurality of rams 15, 16 for applying localized pressure to the scrap within the chamber. The member 4 is hinged at 19 and operated by a pair of hydraulic jacks 21, 23; a clamp 29 operated by an hydraulic jack 27 locks the member in its closed position. Spot pressure ram cylinders 13, 14 are mounted upon supports 12 on the closure member 4. Cylinders 13 contain short stroke rams 15 and cylinders 14 contain long stroke rams 16. The rams are preferably operated in group such as (R 1 , R 2 , R 3 ), Fig. 3 (not shown). Pressure plate 3 is operated by hydraulic rams 5, 6. Scrap metal is fed into the chamber by a hinged hopper (32), Fig. 2 (not shown) operated by an hydraulic ram (36).
Patent GB-223932-A (GB)
Title: Improved lubrication gun or pump
IPC: F16N3/08
Filed: 1924-10-25
Abstract: 223,932. Tecalemit, Ltd., (Assignees of Davis, E. W.). Oct. 25, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Addition to 214,986. Single - acting suctionvalveless bucket pumps; suction reservoirs. - A lubricating pump comprises a reservoir 1 for the lubricant supplying a pump cylinder 12, which carries a connector 20 adapted to be pressed on to a lubricating nipple 23 by the delivery thrust on the pump piston 14. During the upstroke of the piston the oil passes between the cup-leather 15 and the cylinder into the space 17, and during the downstroke it is forced through the delivery valve 26 to the nipple 23. The connector carries a, packing- cup 29 which is pressed against the nipple 23 by the oil during delivery.
Patent GB-716798-A (GB)
Title: Improvements in or relating to starting and stopping mechanisms
IPC: A43D100/02
Filed: 1951-11-01
Abstract: 716,798. One-revolution clutches. BRITISH UNITED SHOE MACHINERY CO., Ltd., and PRATT, J. W. Oct. 31, 1952 [Nov. 1, 1951], No. 25549/51. Class 80 (2) Excess braking and cam pressure on a camfollowing roller 58, necessitating heavy starting- treadle pressure in a one-revolution clutchbrake for a punching and eyeletting or other machine, is relieved before the machine stops by providing a dwell-recess 54 following the usual clutch-release cam surface 52. To start the machine the operator depresses a treadle (not shown) pulling rightwards, Fig. 2, a bar 86, a shoulder 84 on which turns a bellcrank 72 to lift the roller-follower 58 out of a cam-groove in a clutch-brake sleeve 36 splined on an output shaft 14, permitting a coil-spring 48 to move the sleeve axially leftwards to clutch positively a continuously rotating freely mounted driving pulley 26 through co-operating pin teeth, one 46 on the sleeve, two, 34, 34 on the pulley. Initial rotation of the sleeve 36 causes a raised cam surface 94 on the former to depress the bar 86, freeing the shoulder 84 so that the bellcrank 72 is spring-pivoted back to return the rollerfollower 58 into the cam groove whereby declutching at the end of the revolution is independent of treadle-release. Towards the end of the revolution the follower-roller 58 rides up the cam-surface 52 moving the sleeve 36 rightwards to declutch and apply its flange 60 against a fixed brake surface 62 with increasing force. Just before the machine stops, the roller-follower 58 rides off the cam surface 52 into the level-based recess 54, which relieves pressure on the brake and also on the roller-follower 58 so that reduced treadle-pressure is required to start the machine on the next cycle. Overrun is prevented by a a further brake-applying cam surface 98 at the end of the recess 54. Axial adjustment of the olutch sleeve 36 is provided by slackening a stud 74 to permit turning a pin 64, the eccentric head of which carries the roller-follower 58. Clockwise movement of the bellcrank 72 is limited by an adjustable stop 73, and a controllable abutment may be provided for stopping the clutch flange 60 in an intermediate position after depressing the start-treadle, so that neither clutch nor brake is engaged and the machine can be turned by hand. Specification 654,177, [Group VII], is referred to.
Patent GB-179114-A (GB)
Title: Improvements in fire alarms
IPC: G08B17/00
Filed: 1921-09-27
Abstract: 179,114. Geron, S. Sept. 27, 1921. Alarms operated by fusible devices and by flowing liquid.-The end of a water-pipe 10 is normally closed by a fusible member, such as a ball 11 of wax &c., held in place by a cap 12; when the ball &c. melts, water issues through an orifice 13 in the cap and passes through a funnel-shaped tube 24 into contact with a cup 21, the members 24, 21 forming electric contacts, which are thus bridged to close an alarm circuit. The contacts 24, 21 are carried by a head 15 of insulating- material mounted on supports 16, which may be in the form of tubes to receive the electric leads.
Patent GB-425615-A (GB)
Title: Improvements in or relating to the construction of scanning discs for television, telecinematographic and like systems
IPC: H04N3/04
Filed: 1933-09-15
Abstract: 425,615. Photographic developing processes. WEST, A. G. D., and BAIRD TELEVISION, Ltd., 58, Victoria Street, London. Sept. 15, 1933, No. 25643. [Class 98 (ii)] [See also Group XL] In the production of a scanning-disc for television which comprises a glass or celluloid body carrying an emulsion with grains of small size, the apertures are formed photographically by a process either of reversal or of physical development. For ensuring image-grain of small size, a developer comprising paraphenylene diamine rendered alkaline with trisodium phosphate is used in a reversal process whereby the exposed portions of the emulsion are dissolved away and the unexposed portions are rendered opaque ; or alternatively the process of physical development is adopted. The developer referred to may comprise water, 1000 cc. ; p.p.diamine, 10 grains ; 10 per cent solution of trisodium phosphate, 20 cc. ; anhydrous sodium sulphate, 60 grains ; 10 per cent solution of potassium bromide, 10 cc. Final development may take place for 1 hour at 17 to 18‹ C.
Patent GB-1430989-A (GB)
Title: Floor or carpet cleaning apparatus
IPC: A47L11/30
Filed: 1973-05-30
Abstract: 1430989 Floor cleaning apparatus CLARKE-GRAVELY CORP 30 May 1973 25700/73 Heading A4F A portable floor or carpet cleaning apparatus comprises a downwardly open housing 12 rectangular in plan and having a suction nozzle 40 formed between a front-wall 24 and a partition 38, a sprayer 62 for spraying cleaning liquid on to the floor or carpet surface adjacent the nozzle 40, a suction fan F within the housing 12 for drawing used liquid through the nozzle 40 into a receptacle 52 formed by a partition 48, 50, and a pump P for discharging liquid in the receptacle 52 to a drain via tubing 84. Water is supplied to the apparatus via flexible tubing connected to a tubular handle 34 having a control valve 36 and mounted on a control casing 14 extending from the housing 12. The water passes to the nozzle 62 through tubing 68, an electric heater 66, and a mixing unit 72 in which detergent is added. The used liquid receptacle 52 contains a removable channel-shaped filter 96 and a filter 88. An elongated supporting roller 26 facilitates movement of the apparatus when not in use. During use the roller 26 is raised from the floor or carpet as shown to engage the nozzle 40 with the surface to be cleaned. Curved baffles 42, 44, Fig. 2 (not shown) define passages (46) of reducing cross section in the nozzle 40 so that the air and liquid is drawn at high velocity into the receptacle 52. A control switch S Fig. 3 (not shown) for the fan and heater is provided on the end upper wall of the casing 14.
Patent GB-1112146-A (GB)
Title: New azo dyes
Inventor: SEEFELDER MATTHIAS
IPC: C09B44/20
Filed: 1966-06-09
Abstract: The invention comprises dyes of the formulae <FORM:1112146/C4-C5/1> and <FORM:1112146/C4-C5/2> where A is an amine or enamine radical, R is an alkyl radical which may be substituted, X-is an anion and ring B may bear nonionic substituents. The compounds are prepared by diazotizing a 3 - amino - 2,1 - isobenzothiazole, coupling with a compound of the formula AH, and alkylating if desired.
Patent GB-224235-A (GB)
Title: Improvements in processes of mechanically roasting ore
IPC: C22B1/10
Filed: 1924-10-29
Abstract: 224,235. Compagnie GÚnÚrale des Produits Chimiques de Louvres. Oct. 30, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Roasting-furnaces.-Combustible ores such as pyrites, blende, grey antimony ore. &c. are ground and' burnt in suspension. In the furnace shown the ore is supplied by a conveyer 9 to a blast conduit 7 delivering tangentially into the upper part of a tapering chamber 1 having a central column 3, around which the gases whirl. When the ore is not sufficiently rich to be selfburning the blast may be heated, or alternatively fuel may be burnt at intervals in the furnace chamber. The combustion gases are passed through a dust collector 5. The blast of air and ore mav be delivered vertically into the furnace.
Patent GB-1274283-A (GB)
Title: Control apparatus for electrical motors and the like
IPC: H02P7/282
Filed: 1969-05-21
Abstract: 1,274,283. Control of D.C. motors. T. B. WOOD'S SONS CO. 21 May, 1969 [22 May, 1968], No. 25814/69. Heading H2J. [Also in Division G3] An A.C. source 10 is connected to bridge rectifier 16 for supplying the field winding 22 of a motor to be controlled through a field current sensor and compensation circuit 26. A phasecontrolled SCR circuit 38 is associated with a trigger circuit 48, comprising a unijunction oscillator, for supplying the armature 50. The system comprises a reversing switch 54, and a switch 56 for removing voltage from the armature and connecting it to resistor 72 for braking. The unijunction transistor 228 is connected to a timing capacitor 236 which is charged through transistor 262, conduction in which is controlled by the difference in voltages at its base and emitter. The emitter potential is determined by the armature voltage, whilst the base voltage is supplied from a speed controller comprising an IR compensating circuit 90, and a manual speedsetting rheostat 278. When the speed is to be controlled from an external device, jumper 98 is removed whereby a control voltage is introduced from the unit 100. A neutralizing circuit 102 obviates the effects of interference in the feedback signals applied to the emitter of the transistor 262. The sensor 26 detects field current variations due to changes of line voltage or motor temperature and supplies compensating signals to the speed controller. A circuit 106 prevents excessive armature current. The voltage developed between lines 30, 46 is proportional to motor speed, subject to IR-drop correction, so that, when the base voltage of the transistor 262 is made more negative, the speed tends to increase and so develop a greater emitter voltage. This opposes the change in base voltage to limit the speed. The inherent baseemitter drop provides a definite threshold before appreciable conduction occurs in the transistor 262. Above this threshold, the baseemitter current increases sharply with increases in voltage.  A capacitor 340 is connected between the emitter and base of the transistor 262 to nullify the effects of high-frequency pulse components in the feedback signal while leaving the amplifier responsive to variations in the average component of the signal. If the line voltage decreases or the field winding overheats, a signal is derived from resistor 200 through Zener diode 382 to reduce the current through the transistor 262. This decreases the power supplied to the armature and counteracts the tendency to overspeed. When the armature current exceeds a threshold value at which the voltage across a smoothing capacitor 409, associated with series resistors 408 and 410, overcomes the inherent baseemitter voltage of a transistor 400, the latter conducts. The normal base control circuit for the transistor 262 is short-circuited to limit conduction therein. A capacitor 422 and resistor 274 provides a timed ramp starting operation. A transistor 246 ensures complete discharge of the capacitor 236 at the end of each half-cycle of the supply voltage.
Patent GB-1244810-A (GB)
Title: Electroacoustic transducer
Inventor: JONES GEORGE WILLIAM
IPC: H04R1/22
Filed: 1969-05-22
Abstract: 1,244,810. Electroacoustic transducers. PLESSEY CO. Ltd. 4 Feb., 1970 [22 May, 1969], No. 26127/69. Heading H4J. In an electroacoustic transducer in which a partition 27 divides a space between the case 21 and the diaphragm 7 into two separate cavities 17, 18, the partition 27 makes a push fit with the case at an edge of the partition and openings 29 in the partition 27 are formed as cut-outs in the edge. The partition 27 may be an annulus with five cut-outs in the outer circumference. The inner circumference may be sealed to the case at a peened over portion 28 or by use of a sealant. Alternatively cut-outs are in the inner circumference of the annulus. The apertured partition 27 may be formed from blank sheet in a single stamping operation. The transducer is of the carbon granule type.
Patent GB-463179-A (GB)
Title: Variable-speed power transmission device
IPC: F16H41/04
Filed: 1936-09-26
Abstract: 463,179. Transmitting power. AKT.- GES. FUR TECHNISCHE STUDIEN. Sept. 26, 1936, No. 26191. Convention date, Sept. 27, 1935. [Class 8 (ii)] A driving shaft 1 carries a fast-running propeller fan 2 which delivers gas at a pressure above atmospheric, e.g. air, nitrogen or helium, to a multistage slowrunning reaction turbine 4 on a driven shaft 3. The gas circulates in a channel 6 of a casing which may be cooled or heated, and has a guide system 11 for the pump. The pump blades may be adjustable. The gas pressure may be varied. The Specification as open to inspection under Sect. 91 states that the output may be regulated automatically in accordance with the load on the gear. This subject-matter does not appear in the Specification as accepted.
Patent GB-423723-A (GB)
Title: Improvements in or relating to hose or the like
IPC: A41B11/12
Filed: 1934-04-10
Abstract: 423,723. Stockings &c. BIRD & YEOMANS, Ltd., and TAYLOR, R., Charnwood Hosiery Works, Hinckley Road, Earl Shilton, Leicestershire. April 10, 1934, No. 26216. Divided out of 423,698. Drawings to Specification. [Class 141] A stocking or like has, at or in the part above the leg, a circumferentially extending band of lace into which elastic threads are worked. There may be a band of clothing, also incorporating elastic threads, alongside the lace band, to take the suspender grips. The elastic thread is preferably wrapped or covered.
Patent GB-1074936-A (GB)
Title: Improvements in rollers for the treatment of web material
IPC: D06B23/02
Filed: 1964-06-25
Abstract: 1,074,936. Rollers. E. KUSTERS, [trading as EDUARD KUSTERS MASCHINENFABRIK]. June 25, 1964 [June 25, 1963], No. 26262/64. Heading F2U. A roller for the pressure treatment of paper or textile webs comprises a hollow shell 1 mounted on bearings 4 on a fixed core 2 and connected at one end to a journal 16 supported by a bearing 21 and carrying a driving wheel. The bearings 4 permit bending of the shell 1 relative to the core 2 and provide an annular gap 3 between the core and shell. Longitudinal ribs on the core 2 divide the gap 3 into chambers and the chamber adjacent the nip is supplied with pressure oil through a line 12. In Fig. 1 (not shown) both ends of the shell (1) are fast with journals (7, 8) carried by bearings (9) in a frame. One end (10) of the core extends through the journal (7) and is secured against rotation. The roller is provided with a rubber cover (14) adhering to a cover (15) on the shell (1). In Fig. 2 the shell 1 is connected to the journal 16. by a universal joint 18. One end 24 of the core 2 is supported by a bearing 25 within the journal 16 which in turn is supported by bearings 21, 22 in a frame 23. The other end of the core which extends beyond the shell 1 is mounted in a support 32 and is secured against rotation. In Figs. 5 and 6 (not shown) the end-(24) of the core is pivoted within the inner race of the bearing (25) to permit bending of the core.