baber/WOPTO huggingface dataset:
Patent GB-823069-A (GB)
Title: Improvements in and relating to wheeled trailers
IPC: B60P3/10
Filed: 1957-05-10
Abstract: 823,069. Trailers for transporting boats. RIVIERE, A. C. L. May 6, 1958 [May 10, 1957], No. 15004/57. Class 108(1) A trailer for transporting a boat A, comprises a wheeled frame 1 having a horizontal member 1a and a U-shaped subframe 3, 4 provided with a keel support plate 5, and a forwardly projecting member B adjustably pivotable in a vertical plane about its rear end and the frame 1, the member B being provided with struts 12, 13 supporting the forward part of the boat and with a post 14 having a bow pad 15 and a member 16 for supporting a lowered mast. The frame 1 has sector shaped plates 6-fixed to it at either side which overlap plates 10 rigid with the member B. The member B and the plates 10 are pivoted by bolts 11 to the plates 6, and holes 7, 7a are provided in the plates for locking bolts to pass through so that B may be adjusted in a vertical position when required to engage a forwardly rising keel.
Patent GB-651663-A (GB)
Title: Improvements in and relating to fixtures for grinding twist drill tips
IPC: B24B3/24
Filed: 1948-06-03
Abstract: 651,663. Grinding tips for twist drills. BRITISH THOMSON-HOUSTON CO., Ltd. June 3, 1948, No. 15012. Convention date, June 4, 1947. [Class 60] [Also in Group XXII] In an apparatus for grinding a twist drill tip 35, Fig. 1, and of the kind in which a work-holding member 29 is caused to move helically in a body member 8 by a key cooperating with a helical groove, the workholding member has a front portion of semi-circular cross-section and is provided with a stop 31 to ensure that the helical movement is started from a position in which a plane surface of the member 29 is parallel with the surface of a table 2; a grinding wheel 1 is mounted with its axis parallel to this surface and perpendicular to that of the member 29. In the preferred embodiment, the member 29 has a number of helical grooves which differ in pitch and the key 19 may be engaged with any one of them by screwing it into one of a number of tapped holes in the body member 8 so that various sizes of tips may be treated. The plane surface of the member 29 is adapted to support the tip and is provided with a spring-loaded clamp 38, Fig. 3, for this purpose. The grinding wheel 1 comprises a straight portion 46, Fig. 2, and a curved portion 47 and the body member 8 is positioned so that the centre of a tip to be ground is in alignment with the juncture of these two portions. The table 2, which is reciprocable and provided with adjustable stops 4, 5, forms part of a conventional grinding machine and is provided with a magnetic chuck 7 to hold the body member 8. In operation, the member 29 is turned by means of a handle 30 until the stop 31 is in contact with the face of the chuck so that the tip is held parallel to the surface of the table 2 which is then reciprocated to grind a flat face 55, Fig. 8, on one side of the tip, the tip being reversed for similar treatment of the opposite side. The helical surfaces are ground with the stops 4, 5 in abutment, the handle 30 being turned to impart a helical motion to the tip while it is in contact with the curved portion of the grinding wheel.
Patent GB-991081-A (GB)
Title: Process for the recovery of hydrochloric acid from a gas mixture obtained in the catalytic oxidation of hydrogen chloride gas with an oxygen-containing gas
IPC: C01B7/07
Filed: 1963-04-17
Abstract: Hydrochloric acid is recovered from a gas mixture obtained in the catalytic oxidation of hydrogen chloride with an oxygen-containing gas to obtain chlorine.  According to the recovery process, the temperature of the gas <PICT:0991081/C1/1> mixture is first reduced by quenching with water and/or hydrochloric acid and washing is effected with hydrochloric acid either simultaneously during quenching or thereafter, in order to remove catalyst residue, after which hydrogen chloride present in the gas mixture is recovered as hydrochloric acid, the process being characterized in that during quenching the temperature is reduced to the dew point of the resultant gas mixture and during washing hydrochloric acid is used of the same temperature as the quenched gas mixture and with such a concentration that at the prevailing temperature the vapour pressures of water vapour and hydrogen chloride above the hydrochloric acid are equal to the partial pressures of water vapour and hydrogen chloride in the quenched gas mixture.  The catalytic oxidation of hydrogen chloride to obtain chlorine may be effected by the process of Specification 908,022.  In a typical example and as shown in the Figure, a gas mixture at 365 DEG  C. is supplied through line 1 and quenched to 95 DEG  C. by 30.5 % wt. HCl solution at 40 DEG  C. supplied through line 2.  The gas stream is then countercurrently washed in tower 3 with 24.8 % wt. HCl solution at 95 DEG  C., the hydrochloric acid being recycled through line 5.  The exit gases are passed through line 4 to tower 6 where washing is effected with 13% wt. HCl solution supplied through line 7.  The gas stream is then passed from tower 6 through line 8 to another washer 9, where it is washed with water through line 10 before leaving through line 11. 13% wt.  HCl solution, obtained at the bottom of washer 9, is passed through line 7 to be used in wash tower 6. 30.5% wt. HCl solution, obtained at the bottom of wash tower 6, is withdrawn via line 12 and is used partly for quenching through line 2, the remainder passing to a tower 13 in which air supplied through line 14 removes traces of chlorine through line 15.  Pure hydrochloric acid is obtained through line 16.  Simultaneous quenching and washing may be effected by adding the amount of acid required for quenching to the equivalent of the recycling acid in line 5 and contacting the hot gas and said acid in a mixer, e.g. Venturi tube or injection mixer before passage into a vessel, the temperature and composition of the exit gases from the vessel being maintained at the values of those which flow through line 4, described above.
Patent GB-949782-A (GB)
Title: Coating composition
IPC: C09D127/04
Filed: 1960-04-29
Abstract: A rust-preventing heat-resistant coating composition comprises a mixture of (a) an aqueous gel of zinc hydroxide and ammonium chloride; (b) a metal salt; (c) a metal oxide; (d) aluminium, zinc or aluminium gold powder pigment; and (e) a solution of a vinyl chloride-vinylidene chloride copolymer in an organic solvent.  The gel (a) may be obtained by mixing aqueous ammonium hydroxide and zinc chloride solution. Specified metal salts (b) are metal borates e.g. calcium borate.  The metal oxide (c) may be antimony oxide and the organic solvent in (d) may be a mixture of MEK, butanol and toluene. The preferred method of formulating is to mill the aqueous gel with the metal pigment, salt and oxide to obtain an intimate mixture which is then thoroughly mixed with the copolymer solution and the whole worked up to a homogeneous product.
Patent GB-1408583-A (GB)
Title: Microfilm viewer-copier
IPC: G03G15/10
Filed: 1972-07-27
Abstract: 1408583 Developing apparatus SEACO COMPUTER-DISPLAY Inc 27 July 1972 [28 July 1971] 15096/75 Divided out of 1408581 Heading G2H The apparatus described and illustrated is as in the parent Specification 1408581, but the claims are directed towards the means for applying the developer. As shown in Fig. 3, the tray 200 for storing the copy sheets 202 has an inclined forward edge 210 which, unlike the remainder of the tray, is not coated with insulating material. Thus this edge serves to reduce electrostatic and frictional forces between adjacent sheets as they are fed forward one by one to the charging station F.  At the developer station G the sheets pass between a roller 340 and a deflector plate 338. Roller 340 extends across the width of the apparatus, and the developer is applied through a nozzle 342 extending along the length of the roller. The nozzle has a plurality of guide vanes 341 along its length for controlling the flow of developer. This is pumped from a reservoir supply 354 through a conduit 350 and connector 348 offset at one end of the nozzle. The fluid is ejected against the under side of the copy sheet, and a small trough 398 of liquid is created between roller and sheet. Excess liquid is removed by a spring-loaded pair of squeegee rollers 372, 374 which have a non-cylindrical section (Fig. 13, not shown).
Patent GB-1507782-A (GB)
Title: Electrodeposition of gold
IPC: C25D5/10
Filed: 1976-04-13
Abstract: 1507782 Electro-plating gold LEA-RONAL Inc 13 April 1976 15151/76 Heading C7B Diffusion of a base metal substrate into an Au electro-deposited coating thereon is inhibited by interposition of an electro-deposited barrier layer of W-Ni or W-Co. This latter may be deposited from a bath containing a chelating agent (e.g. citric acid, EOTA, amino trimethyl phosphonic acid) to a thickness of e.g. 1 micron, and may contain 40-50%W.
Patent GB-402444-A (GB)
Title: Improvements in or relating to sanitary mouthpieces for telephones, microphones and the like
IPC: H04R1/12
Filed: 1932-05-28
Abstract: 402,444. Mouthpieces. COLASSI, W. L., Mark Lane Station Buildings, London. May 28, 1932, No. 15163. [Class 40 (iv).] A mouthpiece for a telephone handset comprises a protector adapted to be secured to the transmitter casing to retain the microphone unit against loss or removal and one or more additional parts forming a flare adapted to be detachably mounted in front of the protector so as to be removable without removing the protector. The protector a as shown in Fig. 3 comprises a cap having bayonet slots b adapted to be engaged by pegs and locking devices on the body of the handset. The cap is formed with a perforated platform c having a ridge e on the under face of which the microphone unit is adapted to rest and provided with pins g adapted to engage in bayonet slots k in the flange j of the additional part shown in Fig. 6. This part comprises a cup shaped portion h, the long wall of which is made thicker than in the standard mouthpiece and is formed with a chamber n which is preferably filled with a solid or plastic disinfectant or a tray or drawer filled with disinfectant may be inserted therein. Perforations o allow of the passage of disinfectant vapours into the sound passage m. Fig. 8 shows a similar form of protector to that shown in Fig. 3 but formed with a slot 2 adapted to open into the chamber n and with a circular groove 3 in its upper surface fitted with a rubber ring 3a. The co-operating cup portion shown in Figs. 10 and 11 is formed with a non-perforated sound passage m the inner end of which is extended at 4 so as to contact with the ring 3a, the vapour from the chamber n passing through the slot 2 and back through the perforations d in the platform c into the passage m. Each side of the chamber n is formed with a step 5 which forms an abutment for a cover or end of a tray. Fig. 12 shows one form of tray shaped to fit the chamber n and provided with two small holes 6 adapted to be engaged by a pin or hook so as to withdraw the tray from the chamber.
Patent GB-471618-A (GB)
Title: Improvements in or relating to processes and apparatus for shaping textile materials
IPC: B29C51/08
Filed: 1936-05-29
Abstract: 471,618. Shaping textile materials. BRITISH CELANESE, Ltd. May 29, 1936, No. 15282. Convention date, May 29. 1935. [Class 100 (ii)] A process for shaping articles from textile material containing filaments of a thermoplastic derivative of cellulose comprises gripping the material at points where it is not to be distorted and shaping the material while it is at least partially plastic between coacting mould sections 1, 5. One or both of the mould sections may have yielding surfaces 3, 6 of felt, cotton duck, flannel, ground cork, or similar material. The gripping of the fabric is effected by a member 13 spring-mounted on one of the mould sections by means of bolts 14 passing through springs 15 and adapted to engage a recess 12 in the other section, the member 13 surrounding the area of the material being treated. A separate member 13 and recess 12 may be provided for each cavity in the lower die 1. The material, which may comprise several single thicknesses, is rendered partially plastic during the shaping operation by being heated, and a plasticizing agent may be employed to assist in this operation. In the latter case, the yielding surfaces 3, 6 may be immersed or wetted in water or a solution containing a plasticizer prior to or during the shaping operation. For this purpose, ducts 4, 7 connected to the mould surfaces by lines 8, 9 are provided in the mould sections whereby water, steam, or plasticizers may be injected into the mould cavities during the shaping operation. Some or all of the ducts 4 may be replaced by openings in which any suitable type of electric heating-element or flame burner may be placed. Articles such as brassieres, suspensories, girdles, gloves, hats, shoes, rigid or semi-rigid containers, flexible bag-like structures, and pouches may be shaped in the manner described. Specifications 442,669 and 442,670 are referred to.
Patent GB-492544-A (GB)
Title: Improvements in and relating to hot closets or ovens for use with open fire grates
IPC: F24B1/182
Filed: 1937-06-02
Abstract: 492,544. Ovens mounted above open fireplaces. URE, A. F. June 2, 1937, No. 15296. [Class 126] A hot-closet or stove G mounted above an open fireplace A is formed of sheet or cast metal secured to a rectangular frame L to which the doors R are hinged, and the frame L is provided with three flanges O, one at the top and one at each side, which fit into recesses D around an opening B above the fireplace, and also with a flange P at the bottom which is set back and which passes behind the bottom edge of the opening, the oven being thus removable from and replaceable in its operative position without any screws, bolts, or the like being undone. The flanges O rest against flanges E at the back of the recesses D, and the flange P rests on a ledge F. The oven has to be tilted before it can be moved bodily into or out of position, and the weight of the oven holds it in its place. The oven walls H are secured to the frame L by screws N screwing into lugs M at the back of the frame. Slots Q are provided in the flanges E for the passage of the lugs when the oven is removed or replaced. A canopy T may be provided below the oven.
Patent GB-433658-A (GB)
Title: Improvements in and relating to photographic films
IPC: G03C3/00
Filed: 1934-05-22
Abstract: 433,658. Photographic roll - films. GROVES, W. W., 30, Southampton Buildings, Chancery Lane, London.-(Folmer Graflex Corporation ; 154, Clarissa Street, Rochester, New York, U.S.A.) May 22, 1934, No. 15306. [Class 98 (i)] A light-sensitive roll-film, provided with leader and trailer strips at its ends, for use in a camera having motor-operated film-feeding mechanism and an electric circuit controlling a signalling device such as a lamp for indicating the position of a sensitized part of the film with respect to the camera lens, has structural variations along its length to close the electric circuit when, during the feeding of the film, such variations arrive at contacts included in the circuit. In one form, Fig. 3, intended to close the circuit of a lamp to indicate the arrival of the sensitive part of the film, or its tail end, in the focal plane of a camera such as that described in Specification 433,657, marginal slots 11 and 12 are formed respectively in the tail of the leader-strip 30 and in the tail of the sensitive part 7. The lamp circuit includes spring contacts 25, 26, Fig. 2, which engage a metal film-guide roller 18 through the slots 11, 12 when these arrive at the roller. Similar slots may be formed in the tail end of each picture area of the film to cause the lamp to light up as each succeeding area arrives in the focal plane. In a modification, Fig. 6, the slots are replaced by conducting bands such as 11<1> on either surface of the film, consisting of metal foil cemented on, or Indian ink, or metallic powder paint having a conducting binder; and similar bands may be applied at the tail end of each picture area. The contacts 25, 26 are in this case dispensed with ; instead, the roller 18 may comprise an insulating centre portion connecting two end portions which are connected in the circuit of the lamp.
Patent GB-887145-A (GB)
Title: Improvements relating to nuclear reactors
Inventor: DUPEN CLIVE FREDERICK GEORGE
IPC: G21C5/04
Filed: 1958-05-13
Abstract: 887,145. Fuel elements. A.E.I.-J. THOMPSON NUCLEAR ENERGY CO. Ltd. May 21, 1959 [May 13, 1958], No. 15334/58. Class 39(4) The fuel element of a gas-cooled nuclear reactor is formed of fuel plates 1 held parallel and spaced apart to permit the flow of coolant. The plates are held at their side edges by a pair of vertical support plates 3. The fuel plates slope downwardly and the support plates are rigidly inter-connected by horizontal cross members 4, 5. The fuel plate side edges rest in slanting slots in the inner faces of the support plates. The fuel plate end edges have tabs 8 at each corner which are bent over to retain the elements in their slots. The coolant gas channels 9, in the graphite core, Fig. 5, are made larger than the fuel elements to permit removal of the latter after distortion of the channels due to Wigner growth. To close the gaps between the elements and the channels, and so prevent gas leakage, the ends of each element are formed with a step 10 which causes the support plates to be urged against the sides of the channels at 11, 12, 13. Each fuel plate consists of sintered uranium dioxide in a welded beryllium can.
Patent GB-578153-A (GB)
Title: Improvements relating to electrical time-delay detonating circuits
IPC: F42C11/04
Filed: 1941-11-28
Abstract: 578,153. Projectile fuzes &c. STANDARD TELEPHONES & CABLES, Ltd. (International Standard Electric Corporation). Nov. 28, 1941, No. 15387. [Class 9 (i)] An electric delay-fuze for a projectile, bomb or torpedo comprises an inductive coil in the fuze into which a current is induced by change of velocity of the projectile or the like, a main condenser charged by this current and a subsidiary condenser in parallel with the main condenser so that it becomes charged through a resistance and discharges through a firing element after its voltage has been built up. In one. form, the projectile 3 is provided with a sunken induction coil B2 which traverses the field of a similar coil B1 in the gun barrel C, fed from a battery 1 through an adjustable resistance 2. The coil B2 is in series through an inertia switch K with a main condenser C1 which thus becomes charged, the switch being subsequently broken. This main condenser is connected to a subsidiary con. denser C2 of less capacity through a resistance R1 so that this condenser becomes charged after an interval and subsequently discharges through a discharge unit T and a firing filament R2 as soon as the voltage rises sufficiently on the terminals of the discharge device, which may be a Neon-tube. In a modification, the inertia switch may be placed in the circuit between the subsidiary and the main condensers to prevent the subsidiary condenser discharging back on to the main condenser after being charged. The main condenser may be charged from an inductance coil B 1 by inertia movement of a magnetized core N1 at either the moment of firing or impact with the target, the subsidiary condenser and the remainder of the firing circuit being arranged as shown in Fig. 1b. The detonator may be fired through a relay circuit brought into operation by the discharge of the subsidiary condenser or through an amplifying device.
Patent GB-769668-A (GB)
Title: Improvements relating to multiplexing arrangements
IPC: H01P1/213
Filed: 1955-05-27
Abstract: 769,668. Waveguide coupling circuits. STANDARD TELEPHONES & CABLES, Ltd. May 27, 1955 [May 28, 1954], No. 15432/55. Class 40 (8). A multiplexing arrangement for coupling a number of transmitters or receivers operating at different frequencies to a common waveguide 4 comprises a number of tunable resonant cavities 27 each of which is coupled to the waveguide 4 by an aperture 35 in the end wall of the waveguide. Each cavity is tuned by a tuning screw or plug 39 and is connected to a receiver or transmitter by a coaxial line 24. The Specification describes a known arrangement (Fig. 1, not shown) in which the resonant cavities are coupled by apertures to the narrow side wall of the waveguide 4 and each aperture is spaced from the short circuited end wall of the waveguide by a distance equal to an odd number of quarter-wavelengths at the resonant frequency of the corresponding cavity.
Patent GB-1202006-A (GB)
Title: Improvements in or relating to an automatic lathe
Inventor: BECHLER ANDRE
IPC: B23B7/02
Filed: 1969-03-25
Abstract: 1,202,006. Automatic lathes. A. BECHLER. 25 March, 1969 [10 April, 1968], No. 15544/69. Heading B3T. In an automatic lathe having a headstock 2, a work-spindle 5 and a cam-shaft 9 provided with a cam-plate 11 for controlling sequential movements of a part of the lathe, e.g. a tool slide 12, a drum 14 is provided having a circumferential 15 and/or a longitudinal groove 16 adjustably receiving at least one control dog 21 for controlling sequential movements of another part or parts of the lathe, the drum being mounted rotatably coaxially with the spindle 5 and within the headstock, and there being transmission means for driving the drum either from the spindle or from the cam-shaft. As shown, the drum is driven from the cam-shaft by a chain 19, but may be driven from the spindle 5 by a reversible clutch arrangement. The cam-shaft may be driven from the spindle by a worm gear arrangement 10. Bearings 3, 4 rotatably support the spindle 5, while the drum is rotatably supported by the bearing 4 and a bearing 17 secured to a projection 2a of the headstock. In a modification (Fig. 3, not shown), the drum (114) is supported about the spindle 5 by a pair of spaced ball-bearings (22, 23).
Patent GB-139712-A (GB)
Title: Improvements in or relating to signalling apparatus
IPC: G09F17/00
Filed: 1919-06-20
Abstract: 139,712. Robinson, E. B. June 20, 1919. Instruction apparatus; semaphone signals. - Apparatus for teaching signalling or for use as a toy comprises a flag n carried on a cranked shaft or spindle l and held in the normal position by a spring o, one end of which is secured to a fixed bearing-member p, the other being secured to the end q of the. spindle. The spindle may be given one of two different degrees of angular movement, representing dot and dash respectively, by operation of a corresponding key c, f. The keys c, f are pivoted as levers, the ends being connected to the crank by links g, h having slots i, k to allow independent operation. The support a carrying the spindle may represent a figure such as that of a boy scout, as shown. The arms of the figure may be in parts pivotally mounted and connected so as to move with the flag. The parts of the device are preferably stamped from sheet metal. According to the Provisional Specification, the keys may be operated mechanically or electrically.
Patent GB-863485-A (GB)
Title: Air-cooled cylinder head for internal combustion engines
IPC: F02B3/06
Filed: 1957-05-16
Abstract: 863,485. Cylinder cooling and construction. LANOVA A.G. May 16,1957 [March 13, 1957], No. 15567/57. Classes 7(2) and 7(3). Cylinder-head inlet and exhaust passages 5, 4 respectively have between them a substantially solid heat-conductive mass 6 bordered on one side by a cooling-air duct 14 subdivided by partitions 8 and through which passes an injection valve 16. The inlet and exhaust valve axes are offset by slightly different distances from that diametral axial cylinder plane parallel to the duct 14. In a modification, Fig. 2, the cylinder head has a fuel injection valve bore 17, combustion chamber 18 and energy cell bore 19, all beneath the duct 14.