baber/WOPTO huggingface dataset:
Patent GB-875801-A (GB)
Title: Improvements in or relating to viewfinders for cameras
IPC: G03B19/18
Filed: 1957-09-30
Abstract: 875,801. Television. BETRIEBSLABORATORIUM FUR RUNDFUNK UND FERNSEHEN. Sept. 30, 1957 [March 6, 1957], No. 30560/57. Class 40(3) [Also in Group XX] A viewfinder particularly for a television or film camera comprises a combination of electronic elements 10 and optical elements including a partly reflecting mirror 4 which is inclined at 45 degrees and disposed directly behind the camera objective 1 and splits off a fraction of the light by which the scene is depicted on the photocathode of the television camera tube 3 or the film to produce a picture in the plane of a measuring raster 5. The raster comprises prism elements so arranged as to form partial pictures of an object in the scene which appear staggered until the object is sharply focussed by adjustment of objective 1. The measuring raster may correspond in size to the scene depicted in the camera, but the picture presented to the viewfinder may be made larger so as to include a surrounding field. The electronic elements may comprise a television camera chain made up of a camera tube, transmission channel and picture display tube, a picture converter formed of a picture converter coating disposed adjacent a luminous screen, or (as illustrated) a picture converter discharge tube whose screen 11 may be viewed through an optical magnifying system.
Patent GB-193139-A (GB)
Title: Improvements in apparatus for playing racing games and the like
IPC: A63F5/04
Filed: 1921-11-17
Abstract: 193,139. Bunker, P. E., and Anthony, E. Nov. 17, 1921. Games of chance.- Apparatus for playing race games and the like comprises a receptacle having a bottle-shaped interior and containing a number, for example, nine, differently coloured or numbered balls or discs, four of which can be seen through openings d in the cover of the receptacle, and a disc, Fig. 3, marked with sectors coloured to correspond with the balls and adapted to be pivoted to the cover adjacent a scale of chances marked thereon, the movement of the disc being determined by the colour of the ball opposite the opening marked " indicator." In use, the receptacle is shaken so that balls coloured, for example, red, white, and blue are seen at the openings marked first, second, and third, while a green ball is seen at that marked "indicator." The disc is rotated until the green sector is opposite to the green ball, and the chances against the red, white, and blue balls are read off from the scale opposite to the respective colours on the disc. The disc may be replaced by a sliding scale.
Patent GB-1293104-A (GB)
Title: Excavating scraper
Inventor: UFFRECHT FRIEDRICH-WILHELM
IPC: E02F3/76
Filed: 1971-06-30
Abstract: 1293104 Excavating scrapers FORDERANLAGEN-UND KRANBAU KOTHEN VEB 30 June 1971 30715/71 Heading E1F The chassis 1 of an excavating scraper is supported on a drum 4 or carriage and a roller 3 with which is associated two oppositely directed scraper blades 5 so suspended from the chassis 1 that each can be moved from an inoperative position to an operative position to enable the rearmost blade in either direction of travel of the scraper to scrape up earth and transfer it either directly or via the roller 3 and guide 8 to a conveyer 15 located between the roller 3 and the drum 4 or carriage, the soil being then discharged by the conveyer 15 clear of the chassis. The blades 5, which are vertically and angularly adjusted by actuators 7, may each have a plurality of cutting edges arranged one below the other. The scraper may be propelled either by an external propulsion unit or by applying a drive to the roller either from a motor mounted on the chassis or by motors housed within the roller. Ribs are provided on the drum to stiffen the drum, to improve traction of the drum, to aid in transfer of earth and to break up the earth before the earth is contacted by an operative blade. The drum 4 may be replaced by a drum and blade assembly 3, 5.
Patent GB-990937-A (GB)
Title: Improvements in or relating to holding furnaces
IPC: C21C5/52
Filed: 1962-08-10
Abstract: 990,937. Rotary tilting furnaces. E. A. OLSSON. Aug. 10, 1962, No. 30746/62. Heading F4B. A holding furnace 10 releasably mounted in bearings 16 and 17 on a tiltable frame 12 is heated by an induction unit 18 in a melting trough 19 on the furnace periphery, the furnace being rotatable by a motor 14 and gearing 15 so that the heating unit may be rotated above the surface of the melt 21 without the melt running out of the charging hole 20 and independently of the pouring action. The furnace is tilted by the piston arrangement 11 and with the heating unit mounted near the tap hole 13 only the metal in the melting trough is discharged immediately leading to economy in the current required to preserve the correct pouring temperature. Several heating units may be located obliquely behind the first and staggered in relation to each other to rise successively over the surface of the melt.
Patent GB-783148-A (GB)
Title: Improvements in and relating to detector arrangements for frequency or phase modulated carrier waves
IPC: H03D3/10
Filed: 1955-10-27
Abstract: 783,148. Frequency discriminators. CANADIAN GENERAL ELECTRIC CO., Ltd. Oct. 27, 1955 [Nov. 3, 1954], No. 30780/55. Class 40 (5). Coupling between resonant circuits 10, 11 and 12, 13 symmetrically tuned above and below the centre frequency of the frequency-modulated output of a limiting amplifier V1, is prevented by coupling the circuits to the amplifier through capacitors 7, 8 having high reactance at the centre frequency and by isolating the circuits by an earthed shield 25. The tuned circuit outputs are rectified at 14, 15, the opposed outputs of load resistors 18, 19 being fed to the de-emphasis circuit 20, 21. The anode capacity 5 of tube V1 is tuned to the centre frequency by inductor 6.
Patent GB-359695-A (GB)
Title: Improvements in or relating to buckles and buckle-like slides
IPC: A41F11/12
Filed: 1930-10-15
Abstract: 359,695. Buckles &c. FAIRE, SIR S. and STEELS & BUSKS, Ltd., Temple Road, North Evington, Leicester. Oct. 15, 1930, No. 30836. [Class 43.] In buckles or bucklelike slides for use with a strip of elastic or non- elastic webbing 9, leather, rubber or like material, the slide 1 consists of a single piece of metal, celluloid, or other material having at least three slots 2, 3, 4, and bent substantially double or U-shaped, thus providing bars 5..8 so disposed that the webbing 9 is bent round the bars 6, 7, and gripped frictionally thereby when tensioned. The webbing 9 may be attached at one end of the slide and passed through it to form an adjustable loop 10, as in hose suspenders. The webbing may be attached to the bar 8 by a stitched loop 12, or by swedging, in which case the material punched out to form the slot 4 may be used for securing the webbing. After forming the loop 10, the webbing may be passed under the bar 5, through the slot 2 crossing from front to back through the slots 3, 4, and bent substantially at right-angles round edges 6a, 7a of the bars 6, 7. When under tension the slide is held by frictional engagement at these edges. The bar 5 may be offset slightly in relation to the bar 6. Where the slide is used for hose suspenders, the loop 10 carries a suspender fitting 11.
Patent GB-1089319-A (GB)
Title: Improvements in or relating to universal joints
IPC: F16D3/41
Filed: 1966-07-08
Abstract: 1,089,319. Universal joints. DANA CORPORATION. July 8, 1966 [Aug. 16, 1965], No. 30904/66. Heading F2U. In a Hooke's type universal joint the bearing races 36 for the trunnion journals 24 are each held in position by a snap ring 54 with bent-over ends 54A, 54B engaging the end face 38 of the races and located in an over-width yoke groove 44, localized deformations 58 produced by staking serving to hold the ring and bearing to prevent transverse play in the assembled joint. At least four of the deformations 58 are provided for each race to ensure that in any position of the snap ring it engages at least three of the deformations.
Patent GB-655292-A (GB)
Title: Improvements in or relating to convertible multi-purpose machine tools for turning, drilling and other purposes
IPC: B23Q37/00
Filed: 1948-11-29
Abstract: 655,292. Lathes ; drilling-machines. GATES, P., and FROST, C. E. J. Nov. 29, 1948, No. 30965. [Class 83 (iii)] A convertible multi-purpose machine for turning, drilling and other operations, comprises a headstock and a tailstock mounted on a bed to form a unit, and supporting means adapted to locate the unit either with the whole of the bed horizontally or vertically disposed, a part of which supporting means comprises a supporting surface and socket which together form the sole means for holding said unit with the bed vertically disposed. The headstock 15 and tailstock 18 are secured to a tubular bed member 16 and these members can be moved as a unit to convert the machine from a lathe to a drilling machine. A clamping screw 25 is released to free a stub-shaft 26 integral with the headstock, and a clamping screw 29 is unscrewed to release the tubular bed from a tail bracket 28. The unit is then up-ended and the tubular bed extension at the tailstock end is inserted in the clamping member 22 previously occupied by the stub-shaft 26. This clamping member is oscillatable about a pivot 23 in a foot member 11. The stub-shaft is used in the drilling position, Fig. 4, to take a pulley 38 for the belt drive. A plate 58 secured to the tailstock spindle 51 supports the work for drilling and the feed therefor is derived from the movement of the tailstock spindle by a hand lever 55 pivoted at 57. A saddle 19 for a tool-rest slides along the tubular bed 16 and is provided with downward extensions 41 which straddle a guide-bar 47 to maintain the saddle in a vertical position. The tailstock 18 is similarly guided and set screws 43 are provided to adjust for wear on the guide-bar. The saddle may be fed by hand by rotating a feed screw 45 which engages a nut 48 on the saddle. The rear end of the spindle 35 may carry a sanding disc, circular saw or polishing disc and operates in conjunction with a work rest 33 secured to the end of the tubular bed. A fretsaw may be arranged on the saddle and driven by the spindle as described in Specification 655,293.
Patent GB-633530-A (GB)
Title: Improvements in the mounting of the drum in household graters
IPC: A47J43/25
Filed: 1947-11-24
Abstract: 633,530. Graters. MOULIN-LEGUMES MANUFACTURE D'EMBOUTISSAGE DE BAGNOLET M. E. B. ANCIENS ETABLISSEMENTS MANTELET & BOUCHER SOC. ANON. Nov. 24, 1947, No. 31060. Convention date, Oct. 10. [Class 28(ii)] A grater of the type shown is characterized in that the grater drum 7 is held in position by a pin 13 engaging lugs 10. Upward movement of the drum is limited by engagement of the flanges 11 with the semi-circular bearing surfaces provided by the underside of the magazine 2, thus providing three bearing surfaces and a quick dismantling action. The handle 8 may be mounted on the left- or right-hand side of the drum grater. Various modifications are also shown.
Patent GB-865934-A (GB)
Title: Processing woodpulp into viscose
IPC: C08B9/00
Filed: 1959-09-11
Abstract: A prehydrolysed sulphate chemical wood pulp contains 0,05%-0,5%, based on the bone dry weight of the pulp, of a mixture of ethers of nbutanol, said ether mixture consisting essentially of the random condensation products of a 1 : 1 by weight mixture of ethylene oxide and 1, 2-propylene oxide with n-butanol wherein each molecule contains both oxyethylene and oxy-1, 2-propylene groups, the ethers in the ether mixture having an average molecular weight of about 4,000 and the mixture having a Saybolt Universal Second Viscosity at 100 DEG F. of about 5,100. Preferably, about 0,1% of the ether mixture is incorporated in the pulp.  In the viscose process, the ether mixture may be added to the pulp at any stage prior to the completion of shredding of the alkali cellulose.  The resulting viscose is characterized by enhanced filterability, and regenerated cellulose products made therefrom show no significant loss in dye receptivity.
Patent GB-361070-A (GB)
Title: Improvements in tipping rings for use in connection with grabs and the like
IPC: B66C3/08
Filed: 1930-10-17
Abstract: 361,070. Grab-buckets. BARNARD, D. J., 8, Strathfield Gardens, Barking, Essex. Oct. 17, 1930, No. 31175. [Class 78 (iv).] The suspending ring of a grab-bucket is made in two parts, an outer part 1 hung from the crane and an inner rotatable part 4 provided with a ball &c. bearing 7 mounted on the outer part.
Patent GB-617717-A (GB)
Title: A new or improved hand operated implement for cutting green stuffs, roots and like substances
IPC: A01D11/02
Filed: 1946-10-23
Abstract: 617,717. Slicing vegetables. WALE, N. W. Oct. 23, 1946, No. 31470. [Class 5 (i)] Clogging of material between the blades of vegetable and like slicers is prevented by providing relatively movable blades. The central blade 15 is mounted on a spring-pressed rod 12 slidable within the handle-stem 10, to which the stems 16 of outer blades 17 are fixed. The blades are permitted a limited freedom of movement about their pivots 14. The cross-member 18 is fixed to the rod 12 by a setscrew 19 and bored to ride over the stems 16 as far as the stop 24 fixed to the stems 10, 16.
Patent GB-1358566-A (GB)
Title: Migration imaging method
IPC: G03G17/10
Filed: 1971-07-06
Abstract: 1358566 Migration imaging XEROX CORP 6 July 1971 [13 July 1970] 31547/71 Heading G2H In an imaging method wherein imaging particles migrate through a softened layer, heat-softening of the layer is effected by contact at elevated temperature with a molten material which material may be the same as or different from the softenable material. Contact may be by immersion or coating. The imaging material may initially be dispersed in the softenable layer or in a layer adjacent  thereto. The imagewise migration force may be provided by an imagewise electrostatic charge or electric or magnetic field; and may be applied before, during or after softening. The particles may migrate to a substrate; and the softened layer may be removed, a fixing film of solidified molten material remaining. A layer of migration material 0À01-2À0 microns thick may be in contact with a softenable layer 0À5-16 microns thick. Migration materials (photo-conductive and non-photoconductive) and softenable and molten materials (synthetic resins and waxes) are specified.
Patent GB-1466959-A (GB)
Title: Current attenuators
IPC: H03H7/25
Filed: 1974-07-17
Abstract: 1466959 Automatic current regulation RCA CORPORATION 17 July 1974 [20 July 1973] 31583/74 Heading G3X [Also in Division H3-5] A current attenuator comprises a transistor or a compound equivalent thereof, first and second terminals for connection respectively to base and emitter, and third and fourth terminals for application of an input current. A current divider divides the input current supplied to the third terminal into first and second portions having a fixed ratio, supplying the first and second portions to the first and second terminals respectively. Between first and fourth and second and fourth terminals there are connected respectively first and second numbers of semi-conductor junctions, or fractional equivalents thereof, in first and second conductive paths, in each of which the semi-conductor junctions are poled to be forward biased by the first and second portions respectively of the input current, neither conductive path including any other element with substantial resistance. In Fig. 8, transistor 50, derives base bias from a potentiometer comprising m diodes 83 and m-1 diodes 81, while the emitter is biased from a potentiometer comprising m diodes 84 and m-1 diodes 82. Each of the diodes 81, 82 has the same junction area, while the diodes 83, 84 have each a junction area n times larger. It is explained that the output current at the collector of transistor 50 bears a relation to the total input current which is 1/2n<SP>m</SP>. As shown m = 3; the circuit for m = 2 is also given, Fig. 7 (not shown). The arrangement of seriesconnected diodes may be replaced by a transistor 95, Fig. 9, biased by means of a diode potentiometer, the diodes having equal junction areas and the transistor a junction area, n-1, times larger, the arrangement being able to supply fractional equivalents of diode junctions. In the preceding embodiments, equal currents flow in the two current paths, but in a further embodiment currents in a ratio, p-1/1, are provided by using for current division transistors 101, 102, Fig. 10 wherein the collector of transistor 101 is connected to its base and the transistors 101, 102 have base-emitter junction areas in the ratio, p-1/1. This embodiment may be modified, the biased transistor 111, Fig. 11 (not shown) being of the opposite conductivity type. In a further embodiment, transistors 123, 124, 125, Fig. 12 are matched to transistors 126, 127, 128 and the input current 2 Io divides equally between the two branches. Thus VBE of transistor 121 = VBE of transistor 126, the emitter, and collector, current of transistor 121 = emitter current of transistor 126 = base current of transistor 127 = I O /L fe  + 1. In a modification the controlled transistor (131) Fig. 13 (not shown) is of opposite conductivity type and the circuit is correspondingly varied.
Patent GB-985114-A (GB)
Title: Web drying process and apparatus
IPC: D21F3/02
Filed: 1962-08-17
Abstract: 985,114. Drying webs. MEAD CORPORATION. Aug. 17, 1962 [Feb. 13, 1962], No. 31656/62. Heading F4G. [Also in Division D2] In an apparatus for drying a web 30 of material, e.g. paper, the web together with a finely-woven liquid transferring felt 13 and an open mesh fabric 20 of liquid-receiving material passes through the nip of a pair of press rolls 11, 12 to expel the liquid from the web through the felt to the fabric which transfers the moisture by surface tension forces as a thin film 33 to the roll surface on the exit side of the nip, from which surface it is removed by a wiping or doctor blade 28, 29. The fabric is trained by idler, guide and stretch rolls 21 . . . 25 to run around the press roll 12 within the run of the felt which is trained by rolls 14 . . . 19, the felt, fabric and web being separated at the exit side of the nip. The fabric and felt are guided around the lower press roll 12 of the vertically arranged pair but in a modification, Fig. 3, not shown, they are guided about the upper roll. In a further embodiment, Fig. 4, not shown, three press rolls are vertically arranged to form two nips, the felt and fabric being trained to run sequentially through the top and bottom nips, with the fabric running within the run of the felt and in other modifications two nips are formed by two separate pairs of press rolls, Fig. 5, not shown, and a central press roll has multiple pressing rolls arranged thereabout, Fig. 6, not shown. An internally-heated Yankee drier may form one of the press rolls. Specification 827,754 is referred to.
Patent GB-1206337-A (GB)
Title: Respiratory device
Inventor: EXLER GERTRUDE
IPC: A61M16/00
Filed: 1968-07-03
Abstract: 1,206,337. Respiratory devices. G. EXLER. 3 July, 1968 [5 July, 1967], No. 31658/68. Heading A5T. A respiratory device for regulating the carbon dioxide level in the air inhaled and for use in adjusting the bicarbonate level of a patient comprises an inflatable reservoir 1 connected to a face mask 8 by a conduit 9, the reservoir having a two-way flow breather valve 10 (e.g. an adjustable orifice) and a one-way outlet valve 11. As shown, the reservoir 1 comprises two rigid end members 3, 4 joined by a flexible cylindrical plastics member, there 'being a guide rod 7 secured to the lower end member 4 and sliding through the upper end member 3 so that the end members are guided in their movements towards and away from each other as the reservoir deflates and inflates. The two way valve 10 comprises (see also Figures 2, 3, not shown) superimposed perforated parts (13, 19) able to be rotated relative to each other so as to provide an orifice of variable size but which never closes completely, and the oneway valve (see also Figures 4, 5 not shown) comprises a flexible diaphragm (35) arranged as a flap valve on one side of an apertured member (33). In use, the patient inhales and exhales through the reservoir, a proportion of exhaled carbon dioxide being retained for exhalation as determined by the setting of the breather valve 10. The position of the lower end member 4 may be adjusted relative to the cylindrical member so that the capacity of the reservoir may be varied.
Patent GB-410165-A (GB)
Title: Improvements in or relating to high frequency liquid cooled thermionic valve arrangements, suitable for use in radio and similar transmission systems
IPC: H01J19/36
Filed: 1932-11-09
Abstract: 410,165. Discharge apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and FRANKLIN, C. S., Marconi House, Strand, London, and GREEN, E., Penrose, Long Stomps, Chelmsford. Nov. 9, 1932, No. 31684. Drawings to Specification. [Classes 39 (i) and 40 (v).] In a cooling system for high-frequency apparatus, particularly thermionic valve oscillation generators, that end of the cooling liquid piping system which is subjected to the highfrequency potentials is enclosed in or surrounded by a conductive shield which is connected to those potentials. In one form, rubber hose in a doubly wound helix is carried by a central pillar which is surmounted by a corona ring structure surrounding a few turns of hose at the end subjected to high-frequency potentials, which ring is also connected to the high-frequency potentials. According to the Provisional Specification, the coils of piping are surrounded by metal rings spaced longitudinally by mica washers. The ring nearest the system to be cooled is connected to the high-frequency potentials, whilst the ring at the other end is connected to earth. Specification 376,187 is referred to.
Patent GB-188965-A (GB)
Title: Improved means for lubricating the hubs of wheels for motor car and like vehicles
IPC: B60B35/00
Filed: 1921-11-26
Abstract: 188,965. Murray, T. B., and Albion Motor Car Co., Ltd. Nov. 26, 1921. Centrifugal-action lubricating.-The hub B of a wheel mounted on a fixed axle F of a motor-car or like vehicle has pockets A, D connected by horizontal or inclined tubes E. The pocket A is of greater radius than the pocket D. A vertical finger-piece K on a washer J on the shaft F protrudes into the pccket A. Two diametrically opposite apertures Q, R, are provided in the hub-cap C. the aperture Q serving as a lubricant filling- opening and the aperture R as an overflow and level indicator. As the wheel rotates lubricant in the inner pocket D passes along the tubes E to the pocket A and is caught on the finger-piece K and led to the outer end of the axle. Spiral grooves N on the axle and/or in the bush M lead the lubricant to the inner end of the hub from whence it passes to the inner pocket D. The flanged ring O may be grooved to assist this action. In this manner a continuous circulation of the lubricant is maintained. The finger-piece K and the pocket A may be in the inner end of the pocket D at the outer end of the hub.
Patent GB-538719-A (GB)
Title: Parachute training and amusement device
IPC: B64D21/00
Filed: 1939-12-07
Abstract: 538,719. Parachutes: training devices. STRONG, J. H. Dec. 7, 1939, No. 31743. [Class 4] A device for training parachute jumpers comprises a tower 11 having a hoisting cable 13 connected to means for raising a parachute in extended condition, and means for releasing the parachute. The parachute is held in the extended or spread condition shown by rings 51 on the shrouds 32 passing over pivoted catches 52 on a ring 23. The catches are held in the raised position by the tension of the shrouds. The apex of the canopy is held by a catch 36 controlled by the parachutist. The catch 36 is mounted in a head suspended by the cable and having connections 26 with the ring 23. Means is provided for releasing the catch from the head if the head approaches a stop 42 on the tower.