baber/WOPTO huggingface dataset:
Patent GB-346829-A (GB)
Title: Improvements in or connected with automatic, and turret or capstan lathes or machines
IPC: B23B29/16
Filed: 1930-01-18
Abstract: 346,829. Turning -lathes. JONES, W. H., 22, Pendennis Road, Wallasey, Cheshire. Jan. 18, 1930, No. 1806. [Class 83 (iii).] A box tool for turrets comprises two parts axially adjustable-an inner sleeve 2, which is held by the turret, and a tubular outer part carrying the tools. The parts are connected by a stem 3, fitting loosely in, and pinned at one end of the sleeve, with a bulbous portion at the other end which is held in a split socket 7, the two parts being set in the required position by screws 13. The tools are secured by a cover-plate 18, distancepieces 20, and tapered bolts 33 ; they are set by pressing against a model of the part to be made which fits into a corresponding internally-shaped bush secured to the back of the holder by screw 9, a part of the holder 30 being cut away for convenient working. A setting device 27 is fitted over a bar in the chuck and used to initially mount the toolholder in the machine, a flange 29 enters the tubular part 1, the turret is brought up so that the collar 1 lies flat against the flange 27, the bolt 12 is tightened, and the set-screws 13 are then suitably adjusted.
Patent GB-322679-A (GB)
Title: Improved apparatus for examining cavities in the body
IPC: G01N27/07
Filed: 1929-01-18
Abstract: 322,679. Dworzan, M. Jan. 18, 1929. Anthropometrical appliances; medicines, administering; measuring conductivity of contents of body cavities. -An apparatus for examining cavities in the body comprises two electrodes at the end of a thin flexible sheath, the electrodes either being of different metals, e.g. platinum and zinc, in order that the current generated by the electrodes in contact with the contents of the cavity may be measured, or they are of the same material, in which case an external source of current is provided, and the conductivity of the contents is measured. Chemicals may be introduced into the cavity and decomposed there by the current from the external source. The sheath may be designed for introduction into the stomach or through the urethra and ureters to the kidneys. In one arrangement, the electrodes, of different metals, are in series with a measuring instrument, a resistance of about 10000-20000 ohms and a switch. In the arangement shown in Fig. 3, the measuring instrument g, which may be of the recording type is in a shunt circuit, and an external source of current i is provided. Resistances m, n are provided to regulate the instrument reading. The electrodes c, d may be enclosed in an outer sheath having openings adjacent to the electrodes for admission of the liquid contents of the cavity. To exclude liquid from the insulation, the electrodes may project slightly from a celluloid cap at the end of the sheath, the cap being filled with paraffin wax. If it is desired to decompose chemicals in the cavity, they are placed in the end of the outer sheath around the electrodes. and the products pass out through the openings in the sheath and mix with the liquid contents of the cavity. In this case, a measuring instrument is not essential.
Patent GB-432009-A (GB)
Title: Improvements in or relating to grinding apparatus for paper pulp and like substances
IPC: A24F27/12
Filed: 1935-01-19
Abstract: 432,009. Paper-pulp beating-engines. VOITH, W., VOITH, H., and VOITH, H., (trading as VOITH, J. M., [Firm of]), Heidenheim-on-Brenz, Wurtemberg, Germany. Jan. 19, 1935, Nos. 1880 and 1881. Convention dates, Jan. 19, 1934 and March 10, 1934. [Class 96] In paper - pulp beating- engines wherein the pulp enters the grinding zone as a narrow stream at one end of the roll, a compartment E<1>, Fig. 2, extends on the far side of a partition C, Figs. 1 and 2, adjacent the roll A and is bounded at the inlet end by an oblique wall e<2> which deflects the pulp stream and displaces it axially of the roll, through a distance about equal to to the breadth of the stream which thus flows about the bed-plate B and partition C whilst progressively approaching the outlet F. The pulp may be over-flung, in which case the pulp stream gyrates about the roll, part of which is covered by a partition which may be adjustable to compensate for wear of the roll. At the exit end of the compartment E<1> is a wall e<3> substantially parallel to the wall e<2> and which may be adjustable axially of the roll to control the width of the stream of pulp leaving the beater.
Patent GB-714279-A (GB)
Title: Improvements in or relating to cycle frames
IPC: B62K3/04
Filed: 1952-01-24
Abstract: 714,279. Cycle frames. ARROW ENGINEERING & MANUFACTURING CO., (PROPRIETARY), Ltd. Jan. 24, 1952, No. 2000/52. Class 136(3) In a cycle frame two or more straight tubular members 1, 2, disposed in the same vertical plane and converging towards one another from rear to front of the cycle, are welded or otherwise secured, to the seat pillar tube 5 and fork head tube 6 at 3 and 4 respectively. The members 1, 2 may be connected together by a vertical brace 7. The front down member, similarly comprises two tubular members 10, 11 connected by a brace 15 and secured to the bottom bracket shell 14 and to the fork head tube 6 at 12 and 13 respectively. The members 1, 2 and 10, 11 may be formed from a single length of tubing bent back upon itself.
Patent GB-1149378-A (GB)
Title: Gas burners
Inventor: BAXTER ALLAN
IPC: F23D14/00
Filed: 1966-01-17
Abstract: 1,149,378. Gas burners; spark ignition. HOPE'S HEATING & ENG. Ltd. 17 Jan., 1967 [17 Jan., 1966], No. 2023/66. Headings F4F and F4T. A gas burner comprises combustion chamber 12 supplied with fuel gas and air through nozzle plate 13, fuel gas being supplied to the plate through a pair of pipes 16 from a manifold 14 and air from a rectangular section gallery 11 through nozzles (18), Fig. 2 (not shown) which surround the outlets of pipes 16, the opening through plate 13 on pilot burner 21 comprising a combustion chamber 22, gas supply pipe 25, air inlet apertures 24 and a spark plug 23. An ultra-violet cell mounted on plate 26 may be used to detect the pilot and main burner flames through one of the air nozzles (18). In an alternative embodiment, of Fig. 3 (not shown), the spark plug and gas supply pipe of the pilot burner pass through the adjacent wall of sleeve 10 forming gallery 11. In a further alternative embodiment, Fig. 4 the air supply to the pilot burner air inlet apertures is controlled by an apertured sleeve 39 a sparking electrode 49 passes through the gas supply pipe 42 and a perforated flame stabilizer 44 is inserted in the end of the pilot burner combustion chamber.
Patent GB-524055-A (GB)
Title: Improvements in fluid operated pumps
IPC: F04B43/073
Filed: 1939-01-20
Abstract: 524,055. Diaphragm pumps and valves therefor. PLEIGER, P. Jan. 20, 1939, No. 2050. Convention date, Jan. 25, 1938. [Class 102 (i)] [Also in Group XXVI] A fluid-operated diaphragm pump comprises a flat-faced fluid-operated main slide valve 14 working on a flat seat in a chamber 15 which is open to the compressed air or other operating fluid and is situated above the diaphragm 5, the valve 14 controlling the supply and exhaust of operating fluid to the diaphragm and being actuated by two plungers 19, 21 of different diameters, one at each end, having cup packings and working in cylinders which have no ports in the paths of the plungers, and the valve 14 being controlled by an adjacent auxiliary slotted cylindrical valve 13 rotatable about a horizontal axis and having teeth for actuation by a rack connected to the diaphragm by a rod 9. The external face of the smaller plunger 19 is continuously open to the atmosphere by means of a port 20, whilst the external face of the larger plunger 21 is alternately exposed to the operating fluid and to exhaust by means of a port leading to a duct 28 and controlled by the auxiliary valve 13. The operating fluid is admitted by a cock 24 and a passage 25, whilst a second cock 31 supplies part of it to a nozzle 30 for injection into the fluid forced into the delivery pipe 29. Diagrams of the fluid connections are illustrated in the Specification. The Specification as open to inspection under Sect. 91 comprises also the application of the invention to plunger pumps. This subjectmatter does not appear in the Specification as accepted.
Patent GB-468518-A (GB)
Title: Method of producing porous metal bodies
IPC: B22F3/00
Filed: 1936-01-22
Abstract: Porous metal bodies applicable as catalysts are made by moulding powdered metal compounds, preferably oxides, and preferably such as have been highly heated, in admixture with an absorbent material such as charcoal and plasticizing additions such as oils, fats, fatty acids, polyvalent alcohols, inorganic solutions such as of alkalies or water glass, or tar distillates, with or without adsorbents such as metal hydroxides, or gas-liberating substances such as ammonium bicarbonate; the mixture is sintered and the metal compounds reduced to metal. The reduction is effected either by the plasticizing additions or by the use of carbon monoxide or hydrogen in the furnace chamber. Compounds of a single metal may be used, or mixtures of compounds may be treated to produce porous alloys; and substances such as carbon or silicon, whose presence is required in the pores of the product, may be present in the mixture treated.ALSO:Porous metal bodies applicable as filters are made by moulding powdered metal compounds, preferably oxides, and preferably such as have been highly heated, in admixture with an absorbent material such as charcoal and plasticizing additions such as oils, fats, fatty acids, polyvalent alcohols, inorganic solutions such as of alkalies or water glass, or tar distillates, with or without adsorbents such as metal hydroxides, or gas-liberating substances such as ammonium bicarbonate; the mixture is sintered and the metal compounds reduced to metal.  The reduction is effected either by the plasticizing additions or by the use of carbon monoxide or hydrogen in the furnace chamber.  Compounds of a single metal may be used, or mixtures of compounds may be treated to produce porous alloys; and substances such as carbon or silicon, whose presence is required in the pores of the product, may be present in the mixture treated.ALSO:Porous metal bodies applicable as filters, moulds, wicks, accumulator plates, and catalysts, are made by moulding powdered metal compounds, preferably oxides, and preferably such as have been highly heated, in admixture with an absorbent material such as charcoal and plasticizing additions such as oils, fats, fatty acids, polyvalent alcohols, inorganic solutions such as of alkalies or water glass, or tar distillates, with or without adsorbents such as metal hydroxides, or gas-liberating substances such as ammonium bicarbonate; the mixture is sintered and the metal compounds reduced to metal.  The reduction is effected either by the plasticizing additions or by the use of carbon monoxide or hydrogen in the furnace chamber.  Compounds of a single metal may be used, or mixtures of compounds may be treated to produce porous alloys; and substances such as carbon or silicon, whose presence is required in the pores of the product, may be present in the mixture treated.
Patent GB-510315-A (GB)
Title: Improvements in and relating to the automatic control of frequency of alternating current systems
IPC: H02P9/42
Filed: 1938-01-22
Abstract: 510,315. Automatic control systems. SOMERVILLE, T. B., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Jan. 22, 1938, No. 2165. Addition to 478,681. [Class 38 (iv)] Speed.-The regulator according to the parent Specification is modified for regulating the frequency of an A.C. system or circuit (other than a circuit energised by means auxiliary to an apparatus or member the speed of which is regulated according to Specification 510,314). The Figure shows an integrating device 104 driven by a synchronous motor 15 from the system to be controlled and a tuning device 104a driven at a constant speed as by an A.C. watthour meter type motor 17, these two devices cooperating in the control of a reversible motor 6 adjusting the governor mechanism of a turbine 4 driving the system alternator 1. Relays 136a, 138, in addition to controlling contacts 136A, B and 138A, B for the motor 6, actuate contacts 136C, 138C to tend to restore synchronism between integrating and timing devices.
Patent GB-269852-A (GB)
Title: Improvements in excess current protective devices, more particularly for unattended power stations
IPC: H02H3/06
Filed: 1927-01-25
Abstract: 269,852. Akt.-Ges. Brown, Boveri, et Cie. April 26, 1926, [Convention date]. Cut-out arrangements.-In an automaticallyreclosing circuit-breaker system, when, on fault, the circuit-breaker a is tripped it closes back contacts c, d the first of which closes the circuit of a motor m from an auxiliary source h whereupon the motor drives a set of commutators e, f, g, which time the reclosure which is effected only if the short-circuit testing relay n is closed. The relay which under the control of the protective relay s is connected across the circuit-breaker (in series with a resitance r) opens when a complete short-circuit exists on the line. When the circuit-breaker opens on fault, the back contacts d close and a circuit from the auxiliary source is completed through the cam 1 and the cooperating fixed contact of the cam disc e to the protective relay s. This closes and connects the relay n across the circuit-breaker. If this relay remains closed (indicating no complete shortcircuit) the reclosing relay o is closed when, a few seconds after, the cam 1 of disc f engages its fixed contact. The closure o relay o completes the reclosing circuit o the circuit-breaker and if the overload (although not a complete short-circuit) is too heavy, the circuit-breaker is tripped again and again reset. This continues four times, after which the last cam disc energizes a blocking relay i (which must be reset by hand) and further reclosure is prevented. The cam discs return under the action of the spring k.
Patent GB-1217833-A (GB)
Title: Improved cellulosic pulp process
Inventor: RAPSON WILLIAM HOWARD
IPC: D21C9/14
Filed: 1967-01-16
Abstract: 1,217,833. Bleaching pulp. ELECTRIC REDUCTION CO. OF CANADA Ltd. 16 Jan., 1968 [16 Jan., 1967], No. 2240/67. Heading DIP. Pulp is produced by digesting a cellulosic material with an aqueous white liquor to form an unbleached pulp and separating black liquor from the unbleached pulp, washing the unbleached pulp, subjecting the washed unbleached pulp to at least one bleaching stage and/or neutralisation or alkaline extraction stage, washing the pulp after at least one of these stages, passing the black liquor to a chemical recovery system which comprises evaporating the liquor to leave a solid residue, burning the residue, dissolving the burnt residue in water to form green liquor and causticising the green liquor with lime to form fresh white liquor, at least a part of the liquid effluent from the wash after at least one of the stages being used to wash the unbleached pulp and at least part of the liquid effluent from the washing of the unbleached pulp being combined with the black liquor and passed to the chemical recovery system. At least part of the effluent from the washing of the unbleached pulp may be used for dissolving the smelt resulting from the burning of the black liquor residues in order to form fresh white liquor for digesting further quantities of pulp prior to evaporation in the black liquor recovery system. The pulp is preferably subjected to a plurality of bleaching and/or alkaline extraction stages and a plurality of washings, at least part of the effluent from at least one of the washings being employed as at least part of the wash water in at least one other washing, preferably a preceding washing in the sequence so that a completely countercurrent washing process is possible in which at least part of the liquid effluent from each washing is used as wash water in the next preceding washing. The wood or other cellulosic material may be digested with an aqueous solution containing sodium hydroxide and/or sodium sulphide or, in the sulphite processes, an aqueous solution of sodium sulphite and/or sodium bisulphite or of sodium bisulphite and sulphurous acid. The pulp may be subjected to a chlorination using chlorine alone or in admixture with chlorine dioxide, caustic extraction, chlorine dioxide, caustic extraction, chlorine dioxide bleaching system or to a chlorination, caustic extraction, hypochlorite bleaching system.
Patent GB-249478-A (GB)
Title: Improvements relating to electric signalling systems
IPC: G08C19/24
Filed: 1926-01-26
Abstract: 249,478. Schneider et Cie. March 20, 1925, [Convention date]. Addition to 245,761, [Class 40 (i), Electric signalling systems &c.]. Synchronous movements and synchronism inindicators.-The signalling system of the parent Specification, in which the transmitter and receiver rotate synchronously and an interrupter at the transmitter sends an impulse in each revolution to illuminate the receiver at a moment determined by the indication to be given, is modified by the use of an indicator comprising fixed annular neon tubes which illuminate slits in rotating disc. The indicator described comprises five neon tubes G<1> - - G<5> separated by screens and arranged behind discs B, D, F. The tubes G<2>, G<4> correspond to fine and coarse indications and illuminate slits b<5>, b<7> in the disc B which rotates synchronously with the transmitter. Tubes G<1>, G<4> are constantly lit by a local source of current and illuminate slits f, d in discs F, D geared to the gun, say, to be positioned. The tube G<3> illuminates an aperture b<6> in the disc B under control of a fixed brush at the transmitter and serves as a synchronism indicator. The Specification as open to inspection under Sect. 91 (3) (a), also describes arrangements to maintain synchronous running of the motors at the various stations. One of the motors 16, Fig. 1 (Cancelled), drives a rotary interrupter 17 which transmits periodic impulses to a magnet 8 associated with a revolving iron armature 7 driven by the other motor 2, thus applying corrections for lag and lead automatically. An adustable friction brake 6 and an adjustable resistance 4 are used in starting and bringing the motor 2 to the required speed. A revolving wheel 10 carrying a neon flash-lamp 11, is used in conjunction with a luminous index 14 to show when synchronism is attained and to warn the operator when readjustment of the friction brake is necessary. Special shapes, such as toothed rings and cylinders may be given to the correcting magnet and the revolving armature, and tuning forks may be intercalated. The rotary interrupter may consist of a number of conducting and insulating bars designed to give a number of flashes in definite positions of the receiver. For use with wireless transmission the arrangement at the synchronized stations may, as shown in Fig. 5 (Cancelled), comprise an electromagnet 30 energized by a valve amplifier receiving the synchronizing impulses, and a blade 21 kept in vibration by the magnet, which co-operates with contacts 28, 29 and batteries 26, 27 to impart alternate positive and negative potentials to the grid of a valve 23 connected to the magnet 8 of the motor corrector. This subject-matter does not appear in the Specification as accepted.
Patent GB-1131463-A (GB)
Title: Electroluminescent material
Inventor: LOGAN RALPH ANDRE
IPC: C09K11/70
Filed: 1966-01-19
Abstract: 1,131,463. Electroluminescence. WESTERN ELECTRIC CO. Inc. 19 Jan., 1966 [29 Jan., 1965], No. 2453/66. Heading C4S. [Also in Division H1] An electroluminescent gallium phosphide contains small quantities of oxygen, of zinc or cadmium, and of one of sulphur, selenium or tellurium. The material may be prepared by melting, e.g. in a silica or boron nitride crucible in an evacuated silica tube heated to 1200 C., the constituents, and cooling to grow single crystals. Two types of light-emitting device are described. In one, the crystal, which has a bulk p-type centre 1, Fig. 1, with a thin inherent surface barrier 7, has a gold electrode 3, 10<SP>4</SP>  thick, evaporated on to the crystal at 600 C. (out-diffusing the zinc to form a local n-type region 2) and a gold beryllium contact 4 alloyed to the bulk p-type material 1 at 600 C.; the electrode 4 could be replaced by silver paste, gallium ultrasonically wetted to the crystal, or various metal points, and the electrode 3 could also be silver paste, gallium or various metal points, the electrode 3 being applied so as not to penetrate the n-type region 2; alternatively, the zinc can be out diffused by vacuum heating the crystal, and then penetrating the n-type layer with the electrode 4. In the second type of case, the crystal as formed has a p-type central region (11), Fig. 2 (not shown), and a surface barrier layer (17) of intrinsic or lightly doped material, under 200 thick and one electrode (14) penetrates this layer, the other (13) does not. The electrode 13 may be a gold film condensed on to the crystal at room temperature, or silver paste, gallium or a metal point, all applied so as not to penetrate the barrier layer (17). The electrode 14 may be of a gold-beryllium alloyed at 600 C., or silver paste, gallium etc.; in operation, electrons from the electrode (13), by tunnelling or field emission, cross the intrinsic layer into the p-type material, producing light emission. The junctions emit at 1À79 e.v. (7000 , red), and at 2À1 e.v. (6000 , green).
Patent GB-607079-A (GB)
Title: Improved arrangement for supplying a sawtooth current to the deflecting coils of a cathode-ray tube
IPC: H03K4/39
Filed: 1946-01-25
Abstract: 607,079. Valve amplifying circuits. PHILIPS LAMPS, Ltd. Jan. 25, 1946, No. 2464. Convention date, April 3, 1941. [Class 40 (vi)] In a magnetic deflection circuit comprising a source of saw-tooth voltage which is applied to an amplifying valve, the deflecting coils being included in the anode circuit and the anode supply voltage being fed through a parallel circuit, a voltage equal to Ip/s, where Ip equals the current in the parallel circuit and s equals 'the mutual conductance of the valve, is also applied to the grid of the valve to improve linearity. In the Figure, a sawtooth voltage is applied to terminals 5, 6, to provide a saw-tooth current waveform in deflection coils 7. The voltage developed across resistance 8 in the anode supply circuit is applied to the input circuit through transformer 12. Resistance 8 and the ratio of transformer 12 are selected so that the correcting voltage is equal to Ip/s.