baber/WOPTO huggingface dataset:
Patent GB-782171-A (GB)
Title: Improvements in and relating to electro-magnetic vibrators
Inventor: BROOKE RUPERT ACTON
IPC: H01H50/76
Filed: 1954-07-15
Abstract: 782,171. Electromagnetic interrupters. PLESSEY CO., Ltd. Oct. 13, 1955 [July 15, 1954], No. 20681/54. Class 38 (5). A self-interrupter comprises an armature 18 connecting the free ends of a pair of coplanar reed arms 16 spaced apart and clamped in the interrupter stack by a pair of volts 15. The driver contact 31 co-operating with a fixed contact 26 is carried by an L-shaped reed 30 clamped by one of the bolts 15, the upper end of the reed 30 being engaged by the armature 18 to open the contacts 26, 31 when the armature moves towards the horizontal limb of the magnet frame 11 upon energization of the coil 12. The reed arms 16 carry on each side blades 19 having contacts 20 co-operating with contacts 21. The contact 26 is carried by a magnet yoke 23.
Patent GB-651041-A (GB)
Title: Improvements relating to gas scrubbers
IPC: B01D47/06
Filed: 1948-08-05
Abstract: 651,041. Scrubbing gases. S I M ON - CARVES Ltd. (Otto & Co. Ges., C. Aug. 5, 1948, No. 20684. [Class 55(ii)] ] A scrubber for removing constituents from gases by means of liquid solvents for such constituents, consists of a number of superposed stages each having a gas dispersion chamber 5, a scrubbing-chamber 4, a cylindrical partition between the chambers consisting of elements 7 arranged tangentially to form slots 8 for the outward delivery of gas, and nozzles 9 for spraying the liquid across the,chamber 4 against the partition. The elements 7 are so arranged. or are so provided with extensions 18, that the spray cannot pass into the chamber 5 through the slots 8. A flat plate 12 is arranged in each lower stage, and a conical plate 22 in each upper stage, to produce an annular space between itself and the casing 1 which constrains the rising gas to pass between the plate and the bottom of the next stage, and through slots into the next gas dispersion chamber 5. The spray liquid is supplied by pumps 17 and the sprays are so arranged that the cones of spray liquid leave, near the wall of the casing 1, spaces which are shown unshaded in Fig. 2, through which the gas which has passed through the spray, may rise to reach the next stage. The liquid is collected at 6 at the bottom of each stage, and overflows through the slots 8, or through a conduit 14. The gas, leaving the scrubber passes through baffles 15.
Patent GB-305494-A (GB)
Title: Improvements in the removal of tar acids from ammonia liquor and other liquors
IPC: C07C37/00
Filed: 1927-08-05
Abstract: 305,494. Robinson, H. W., and Parkes, D. W. Aug. 5, 1927. Ammoniacal liquor, treating. - Ammoniacal liquors are treated with a reagent capable of precipitating compounds of the catechol series, a preliminary treatment being given for the purpose of removing impurities having- an adverse effect on the precipitation. The residual liquor is then treated with activated carbon for the removal of tar acids. The preliminary treatment may consist in distillation of the liquor for the recovery of the ammonia, and when the liquor contains relatively large amounts of organia impurities, it is preferred to add a, mineral acid, such as hydrochloric or nitric acid, to the liquor, whereby a sludge containing the impurities is formed; air may be blown through the liquor to assist the action of the acid. Alternatively, when the liquor contains relatively large amounts of inorganic impurities, such as sulphides and carbonates, it is preferred to precipitate these impurities without, acidification, for instance by the addition of bleaching powder, or without lime. For the precipitation of the catechols from the purified liquor, lead compounds, such as lead acetate, nitrate, carbonate, monoxide, and hydroxide, and particularly lead chloride are preferably employed, although other reagents such as aluminium sulphate, zinc chloride, manganous sulphate or chloride or magnesium sulphate or chloride are suitable also. A solution of lead chloride in sodium acetate and an acid is the preferred reagent, but solid lead chloride may be used when the liquor contains relatively small amounts of chloride and sulphate ions. The precipitation should be effected in a feebly alkaline solution and in a lead-lined vessel, the presence of iron being avoided. The process is particularly applicable to ammonia liquors obtained from low-temperature gas retorts, and examples of the treatment of such liquors are given. Specification 260,686 is referred to.
Patent GB-1321353-A (GB)
Title: Total prosthesis of the knee
IPC: A61F2/38
Filed: 1971-04-19
Abstract: 1321353 Knee prosthesis ASSOCIATION DE L'ECOLE CATHOLIQUE D'ARTS ET METIERS DE LYON G BOUSQUET and A RAMBERT 19 April 1971 [30 Jan 1970] 20830/71 Heading A5R A prosthesis of the knee comprises an upper member 4 and a lower member 13 pivotally connected and each provided with a rod 6, 15 permitting the connection of the two members to the thigh-bone (2), Figure 5 (not shown), and tibia (3) respectively, each member being provided with a bearing plate 5, 14 for distributing the stress throughout the cross-sectional area of the bones, the pivotal connection comprising a spherical element 9 integral with one end of the upper member 4 and engaging a bearing concavity 16 in the lower member 13, means for producing rotation of the tibia, means for limiting rotational movement of the tibia, and means for imparting an angular aspect to said tibia in relation to the thighbone in the stretched-leg position. The spherical element 9 is offset to the rear of rod 6 and receives diametrically therethrough a spindle 11 forming an angle of about 80‹ with the axis of rod 6. A groove 12 surrounds the spindle concentrically through an angle of about 120‹ into which groove fits stud 17 radially situated in concavity 16. On either side of the concavity is a flange 18 formed with elongated apertures 19 acting as bearings to the projecting spindle ends. Thus, movement of the tibia (3) with respect to the femur (2) is controlled by the engagement of stud 17 in groove 12 and the engagement of the trunnion-forming ends of spindle 11 in apertures 19. The groove 12 comprises three successive sections 12a, b, c each with a different gradient from one side of the groove to the other. Thus, during knee flexion (when member 13 rotates about spindle 11), the gradient of sections 12a, b of groove 12 tend to increase the angular position of tibia (3) and the relative sliding movements of spindle 11 in apertures 19 cause inward rotation of the tibia.
Patent GB-1427845-A (GB)
Title: Composite light-polarising element
IPC: C09D101/18
Filed: 1973-05-02
Abstract: 1427845 Coated optical elements POLAROID CORP 2 May 1973 [2 May 1972] 20915/ 73 Heading B2E [Also in Divisions B5, C3 and G2] A light-polarising element for use in making a composite lens is coated on both sides with a layer of cellulose nitrate which enhances adhesion of lens components which are to be moulded (see Division B5) and polymerised in situ onto each side of the polarising element and also inhibits migration of constituents between the element and the attached components. A polyvinyl alcohol polarising element having a layer of cellulose acetate butyrate bonded to either side is coated with an adhesion promoter/barrier layer of nitrocellulose containing an organic acetonate cross-linking agent and preferably another resin such as a phenolic, a polyhalogenated vinyl polymer, a polyamide, an acrylate resin, a polyester, or an epoxy. A suitable coating composition comprises nitrocellulose, titanium di(acetyl acetonate), melamine formaldehyde resin, triphenyl phosphate plasticiser, and maleic acid catalyst dissolved in methylcellulose, acetone and methanol which are evaporated after coating.
Patent GB-315272-A (GB)
IPC: B65F3/22
Filed: 1929-07-09
Abstract: 315,272. Daimler-Benz Akt.-Ges. July 10, 1928, [Convention date]. Scavengers' carts of the kind provided with a rotating drum with interior conveyer surfaces are provided with a separate conveyer surface disposed at the feeding end of the cart. As shown in Fig. 1 the rotating drum a is provided with conveyer surfaces e connected to the drum a and to a central shaft and also with a conveyer g disposed between the conveyer e and the feeding aperture h, the conveyer being mounted on a shaft k and driven preferably at a speed greater than that of the drum a. In the form shown in Fig. 2 the conveyer g is mounted in and connected to a separate drum m driven by a toothed drive n, o.
Patent GB-441762-A (GB)
Title: Improvements in or relating to circuits for cathode-ray tubes
IPC: H04N3/20
Filed: 1934-07-19
Abstract: 441,762. Protective arrangements. RADIOAKT.-GES. D. S. LOEWE, 10, Wiesenweg, Steglitz, Berlin. July 19, 1934, No. 21085. Convention date, July 19, 1933. [Class 38 (iv)] [See also Group XL] In a television system employing a cathoderay tube and energized from the mains, a safety device is provided to ensure that if, after being switched off, current is switched on again while the cathode is still hot, the tube shall not be damaged by the occurrence of an excessive transient positive potentialdifference between the cathode and the Wehnelt cylinder. The current supply from the mains is rectified by a diode 1, Fig. 1, smoothed by a filter 2, 3, 4, and controlled by a switch 13. The negative bias of Wehnelt cylinder 7 is tapped off the smoothing-resistance 4 and were the connection 16, 21 permanent, a transient potential-difference calculated to cause the tube to be damaged, would be set up between the cylinder 7 and cathode 6 if the switch wiper 13 were closed while the cathode was hot. The additional switch wiper 16 is therefore provided and connects the cylinder 7 to the rectifier-anode 28 through contact 20 until the potential of the cathode 6 has reached its final negative value. The switches may be coupled as shown in Fig. 2, so that during clockwise movement of the wipers 13, 16, the cylinder 7 is connected to anode 28 through segment 20 as soon as wiper 13 is closed upon segment 19 ; and not till the end of the movement is the cylinder connected through segment 21 to the tapping on resistance 4. In modifications the switch 16 is omitted and (i) a high resistance may be temporarily inserted in the earth connection during the switching-on process ; or (ii) the tapping for the cylinder connection, instead of being taken off resistance 4, may be taken off an additional resistance connected between the anode 6 and terminal 30 of smoothing- condenser 3.
Patent GB-667410-A (GB)
Title: An aid to the human embouchure for clarinet and saxophone players
IPC: G10D7/06
Filed: 1949-08-13
Abstract: 667,410. Wind musical instruments. THORNTON, C. Feb. 22, 1950. [Aug. 13, 1949] No. 21091/49. Class 88 (ii). An attachment to the mouthpiece of a singlereed musical to provide additional pressure on the tapering part of the reed between the player's bottom lip and the ligature comprises a lever 4, pivoted at 5 and acted on by a screw 6. Reference is made to Specifications 270,034 and 606,724.
Patent GB-885661-A (GB)
Title: Intakes for supersonic flow
Inventor: STRATFORD BRIAN STAPLETON
IPC: F02C7/042
Filed: 1959-06-19
Abstract: 885,661. Boundary layer control. POWER JETS (RESEARCH & DEVELOPMENT) Ltd. June 8, 1960 [June 19, 1959], No. 21091/59. Class 4. [Also in Group XXVI] A jet propulsion engine air intake of the internal compression type comprises an annular member 31 which defines a convergent passage 32 leading to a throat 33 and a divergent passage 34. In normal operation, the air flowing at supersonic velocity is subject to compression in the convergent passage 32 and a shock wave is established at S3. The flow is then diffused in the divergent passage 34. The wall of member 31 is forced immediately upstream of the throat with an undercut recess 36 which permits the formation of a vortex bearing. The portion 37 of the rotating air forms a bounding wall for the flow in the intake and reduces the losses and the risk of separation due to the interaction of the shock wave and boundary layer. When the engine is throttled back, the pressure in the passage 34 is increased and this causes the shock wave to move to the position S4. This causes the peripheral portion of the vortex bearing to bulge slightly as at 37a and the compression waves C5 to form. The boundary layer flows through the edge of the normal shock S4 and is diffused in the passage 34. The boundary layer may be bled off and directed through the fan of a by-pass or ducted fan engine, or supplied to the combustion chamber of a ram jet or jettisoned.
Patent GB-210980-A (GB)
Abstract: 210,980. Pascall, F. Feb. 5, 1923. Dampers; baffles.-In a cooking-stove having a top-plate a immediately above the oven d the gases escape to the chimney through an outlet a<1> which is regulated by a pair of fan-shaped dampers b each pivoted at a point b' near one corner and having an operating-rod c pivoted at the corner. The dampers are formed with vertical flanges b<2>, Fig. 2, which depend into the oven flue e and constitute, when the dampers are in the fully closed position, continuations of fixed baffles f arranged to the rear of the outlet a<1>.
Patent GB-739797-A (GB)
Title: Improvements in or relating to radar simulation apparatus
Inventor: CUTLER ALBERT ERNEST
IPC: G01S7/40
Filed: 1954-07-20
Abstract: 739,797. Radar trainers. COMMUNICATIONS PATENTS, Ltd. July 20, 1954, No. 21137/54. Class 40 (7). A radar trainer giving a display simulating the appearance of echoes from target objects and also of interference, for example sea clutter, comprises a display screen on which is combined an image of the interference derived from a cinematograph film and an image of object echo indications derived from a cathode-ray tube display. In one embodiment the images on a continuous loop of film 3 showing the appearance of sea clutter on a P.P.I. are piojected by a projector 4 on to a half-silvered mirror 5 at 45 degrees to the axis and focused on a ground glass display screen 6. The length of film is such as to show an integral number of complete P.P.I. scans so that the radial brightening line appears to rotate uniformly. A projection type cathode-ray tube 7 is provided with a rotating deflection coil 8 fed from saw-tooth generator 9. Suitably tuned brightening pulses are fed to the control grid 10 to simulate radar echoes and the resulting display is projected by lens system 11 through mirror 5 on to screen 6 where it is combined with the projected display. To synchronize the scanning of tube 7 with the movement of the radial brightening line of the projected image a mechanical connection 12 is provided. The signals applied at 10 may be obtained from a radar system or they may be produced synthetically. If the tube 7 has target indications produced by steady deflection potentials, or a switched series of such potentials, the linkage 12 may be omitted. The ground glass screen may be replaced by a phosphor screen excited by the light or infra-red rays projected on to it from the projector 4 and tube 7.
Patent GB-281023-A (GB)
Title: Improvements relating to pulverised fuel fired furnaces
IPC: F23C99/00
Filed: 1926-08-27
Abstract: 281,023. Clarke, Chapman, & Co., Ltd., and Woodeson, W. A. Aug. 27, 1926. Bricks and blocks for furnaces.-The lower part of the combustion chamber 4 of a pulverulent-fuel furnace is provided with upstanding walls 1 arranged to enclose tortuous air passages and built up of several courses of channelshapes bricks 5 surmounted by a course of hollow ridged blocks 5<a>.
Patent GB-1471931-A (GB)
Title: Motor-driven control device for a valve-actuating spindle
IPC: F16K31/05
Filed: 1974-05-14
Abstract: 1471931 Valves PONT-A-MOUSSON 14 May 1974 [1 June 1973] 21192/74 Heading F2V [Also in Divisions H1 and H2] A motor driven control device for valve actuating spindle comprises a synchronous or variable reluctance motor driving the spindle, means for detecting the stoppage of the spindle and switching means for opening the supply circuit and actuated by the detecting means. In a first embodiment, Fig. 3, the spindle has a disc 18 attached. A rectangular block 19 rests on the surface of the disc and is biased into contact therewith by a conically shaped coil spring 20. The block is also biased in a rest position on the disc by two springs 22a, 22b arranged as shown between the block and walls of a fixed yoke 23. When the spindle 1 and hence the disc 18 is at rest, both switches 25a, 25b are open. When the disc is moving in either direction, the block is moved and closes one of the switches. In a further embodiment, Fig. 7, a disc 26 is provided which is not rotated by the spindle but have the disc 18 is magnetized to move the tongue 29 to close one of the switches when the spindle is not rotating.
Patent GB-781126-A (GB)
Title: Control system for the automatic winding mechanism of a time-piece
IPC: G04B5/24
Filed: 1955-07-22
Abstract: 781,126. Clocks and watches. REYMOND, P. E. July 22, 1955 [Sept. 8, 1954], No. 21259/55. Class 139 Automatic winding mechanism for a timepiece comprises a differential gear the sun wheels of which are geared to the barrel and barrel arbor respectively and the planet carrier of which controls a mechanism which effects disengagement of the winding mechanism when the mainspring is fully wound and re-engagement of the winding mechanism after a partial unwinding of the mainspring. A pawl 4, Figs. 2, 4 and 5, carries a roller 11, which, during winding, rides on an eccentric 10 on a rotating shaft 8 and engages contrate ratchet teeth 3a of the barrel ratchet 3. A spring 12 retains the roller 11 against the eccentric 10. A gear 15, Fig. 3, on the barrel arbor 2 drives through a gear 15a one sun wheel 17 of a differential gear 16 fixed to the barrel 1. The planet gear 19 of the differential is carried by a shaft 20 the upper end of which carries a finger 21, Fig. 4, which moves between two projections 25, 25a on a pivoted yoke 22. A spring member 23 co-operates with two notches 24, 24a in the yoke 22. During winding of the mainspring the finger 21 moves counter-clockwise to meet the projection 25a whereupon the yoke 22 is gradually moved causing the nose 23a of the spring 23 to leave the notch 24. When the spring 23 suddenly moves to bring the nose 23a into the notch 24a the yoke is moved from the position of Fig. 2 to that of Fig. 4 and its end 26 moves the pawl 4 so that the roller 11 leaves the eccentric 10 and winding ceases. As the mainspring unwinds the shaft 20 rotates clockwise until the finger 21 meets the abutment 25 to effect return movement of the yoke 22 by the spring 23 whereupon the spring 12 returns the pawl 4 to its actuating position. If the clock is on a vehicle the shaft 8 may be connected to the revolution counter bv a Bowden cable.
Patent GB-1121190-A (GB)
Title: Apparatus for assembling connector elements to panels
Inventor: BROWN IVAN GODFREY OLIVER
IPC: H05K13/04
Filed: 1966-05-13
Abstract: 1,121,190. Making electrical connections; rivetting. AMP Inc. 1 May, 1967 [13 May, 1966], No. 21259/66. Headings B3A and B3U. Apparatus for assembling connector elements 6 to panels comprises a rotatable panel transporter 27; a station for positioning a connector in spaced relationship relative to the transporter and having means 15 for releasably gripping the element when so positioned; means for indexing the transporter 27; means for bringing about relative movement between the transporter and the positioning station to insert a portion of the positioned connector through the panel on the transporter, means on the transporter for deforming the connector portion as a result of the relative movement, to assemble the positioned element to the panel; and means for releasing the gripping means and reversing the relative movement to withdraw the positioned and assembled element. Each or any of channels 21 is charged with a strip of conductors 6, one conductor projecting from each occupied channel. A panel, which may be a relay cheek (1), Fig. 1 (not shown), is placed in a recess 32 of the transporter 27 and mandrels 34 extend into holes in a stepped portion 3 of the relay cheek. An assembly 10 is driven downwardly carrying a hold down plate 15 which grips a collar 8 on each connector 6 between the walls of pairs of channels 16, 21. As the assembly 10 continues to descend, shears, (not shown), cut off the leading connectors and a slide block 26 is driven by a linkage 22, 24, 25 towards the connectors, so that each shank 5 enters a hole in the cheek. As the movement of the block continues, the shanks are driven against the mandrels 34 which enter the bores of the shanks to secure the connectors 6 to the relay cheek. During the return stroke of the assembly 10 the plate 15 is initially raised to release the now assembled connectors and the transporter 27 is indexed one step anti-clockwise by a pawl 29. A plunger 35 is moved by a cam (not shown) to eject the relay cheek from its recess 3 and is subsequently retracted. A feeding device having feed fingers also advances the connector strips. Where less than five connectors are to be assembled in each cheek, all the channels 21 may be charged and given ones of the feed fingers are retracted or removed. The apparatus may be provided with a safety device for ensuring that it can only be driven through a working stroke when the desired strips have been fed into the cheeks.
Patent GB-791750-A (GB)
Title: Improved antibacterial composition and a process for the manufacture of same
Filed: 1956-07-10
Abstract: An antibacterial composition, suitable for oral administration, in the form of an oil-in-water emulsion comprises 3,4-dimethyl-5-sulphanilamido-isoxazole and/or 3,4-dimethyl-5-(N1-acetycl - sulphanilamido) - isoxazole, water, a pharmaceutically acceptable edible oil, e.g. peanut oil or cottonseed oil, and an emulsifier.  The emulsifiers disclosed are lecithin, cellulose methyl ether, higher fatty acid esters of polyhydroxy alcohols or their anhydrides or polyoxyalkyl derivatives thereof, gelatine, gum tragacanth, gum acacia, saponine, egg albumin and agar. The compositions may also contain preservatives and antioxidants such as methyl paraben, propyl paraben, butylated hydroxyanisole or sodium benzoate, sweeteners and flavouring agents.  In the preparation of the compositions the oil may be emulsified in water and the sulphonamide suspended in the emulsion, or the sulphonamide suspended in the oil and emulsifying the suspension in water.
Patent GB-1195820-A (GB)
Title: A Method of Granulating Frozen Fine Particles
IPC: A23P10/28
Filed: 1969-04-25
Abstract: 1,195,820. Moulding frozen particles. LEYBOLD-HERAEUS VERWALTUNG G.m.b.H. 25 April, 1969 [25 April, 1968], No. 21362/69. Heading B5A. [Also in Division F4] Fine powder particles, formed during the grinding of freeze dried products, are granulated by the extrusion thereof, by a pressure roller 11, through orifices 13 into the interior of a roller 12 provided with a scraper 14, the process being conducted within a chamber 5 connected to a vacuum pump 19, via a condenser 20 which sublimes vapour arising from heat generated by the granulation, the vacuum in the chamber 5 being such as to maintain the fines at a temperature at which they begin to thaw, whereby they agglomerate during the extrusion thereof. The surface temperature of the condenser 20 may be used to control the pressure within the chamber 5. The fines are supplied to the nip of the rollers 11, 12 from a hopper 7 feed to distributer 8, the hopper 7 being supplied from a hopper 1, provided with a stirrer 3 and evacuated by a vacuum pump 4, through a vacuum-tight valve 6. The granules are discharged from chamber 5, through a vacuumtight valve 16, into a discharge lock 17 evacuated by a vacuum pump 18.
Patent GB-949331-A (GB)
Title: A process for purifying formaldehyde
IPC: C07C45/78
Filed: 1961-06-13
Abstract: Water is removed from gaseous formaldehyde by washing it with a diester of a polyethylene glycol or a monoester of a monoalkyl ether of a polyethylene glycol at 80-120 DEG C. Preferably the esters are derived from polyethylene glycols having 2-15 ethylene glycol units and the alkyl radicals of the monoesters contain 1-4 carbon atoms. The esters used are preferably those of acetic acid.