baber/WOPTO huggingface dataset:
Patent GB-805394-A (GB)
Title: Improvements relating to portable burner apparatus utilising pressurised gas fuel
IPC: F16K1/30
Filed: 1955-06-17
Abstract: 805,394. Supplying gas to burners. BERNZ CO., Inc., O. June 17, 1955 [June 22, 1954], No. 17587/55. Class 75(1) In a gas appliance having a gas burner (not shown) connected by a discharge conduit with a container 1 for pressurized gas, a pressure reducing and regulating valve .20, Fig. 3, is positioned in the discharge conduit and means, such as a spring 22, resiliently urge the valve to closed position against the pressure in the container. The valve 20 has a rubber seal 21 which seats on a shoulder in a bore 19 of a stem 12 forming part of a member 2 supporting the burner. The member 2 has a tubular lower part. 11 adapted to screw on to a plug 4 sealed into an aperture in the top of the container and having a bore 5 closed by a valve 8. When the member 2 is screwed on to the plug 4 the stem 12 presses the stem of the valve 8 and opens the valve. The member 2 includes a manually operated needle valve 17.
Patent GB-874650-A (GB)
Title: Improvements in or relating to temperature measuring devices and method of manufacturing same
Inventor: WRIGHT JAMES FREDERICK
IPC: G01K13/10
Filed: 1956-06-07
Abstract: 874,650. Measuring temperature electrically. ELLIOTT BROS. (LONDON) Ltd. Sept. 5, 1957 [June 7, 1956], No. 17694/56. Class 40 (1). [Also in Group XXXVI] Apparatus for measuring the temperature at a series of spaced levels inside a silo comprises a central conductor of one element to which a number of second conductors are soldered at spaced intervals forming a series of thermocouples. As shown (Fig. 1) the thermocouples comprise a continuous insulated constantan wire 1 with insulated copper wires 2 soldered or welded thereto at equal intervals to provide the hot junctions. The copper wires are colourcoded and of a length predetermined by the use to which the device is to be put. The device with a preferably transparent insulating sheath is manufactured in an indefinite length, and multiples of the predetermined length are cut as required. A cable may be formed by putting up several thermocouple ropes 4 (Fig. 4) in a common sheath 6 with a number of steel cables 5 to limit the strain in the thermocouple ropes. A bare conductor may be incorporated in the sheath and earthed, to prevent the accumulation of static charges. The positions of the hot junctions in the several ropes of a cable may be staggered.
Patent GB-360813-A (GB)
Title: Improvements in or relating to radio receivers and amplifiers for use therein
IPC: H03H7/01
Filed: 1931-06-18
Abstract: 360,813. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London. -(Assignees of Braden, R. A. ; 310, Plymouth Place, Merchantville, New Jersey, U.S.A.) June 18, 1931, No. 17735. Convention date, June 18, 1930. [Class 40 (v).] A radio receiver adapted to distant reception is rendered suitable for local reception by rendering an amplifying stage inoperative and converting it into a band pass filter. The filter comprises a coupling between the input and output together with a capacitive coupling through the valve which is rendered inoperative. The Figure shows a screengrid valve 4 which is rendered inoperative by opening switch S to remove the screen grid potential. The desired capacity between plate and control grid is produced by the earthing of the screening grid through an impedance Z.
Patent GB-626614-A (GB)
Title: Improvements in or relating to automatic lathes
IPC: G05B19/04
Filed: 1945-07-12
Abstract: 626,614. Turret lathes. TAREX SOC. ANON. July 12, 1945, No. 17789. Convention date, Aug. 21, 1944. [Class 83 (iii)] A single spindle automatic lathe having an indexible turret carrying longitudinally movable tool-slides, actuated successively by a common control member and having lateral tool-holders carried by a transverse slide and a longitudinal slide and radial tool-holders each carried by a transverse slide, each slide being actuated by a separate control member, is characterized in that the control members are each connected by a separate connecting device to a source of energy, an impulse-emitting device causing each connecting device to be moved into the operative position at desired moments, but means being provided to prevent this while the slide to be actuated is out of its starting position. The tool-carrying turret R for a single spindle automatic lathe carries tool-slides C which are adapted to be moved by auxiliary slides 1 which in turn are fed by a projecting pin on a long nut 3 engaging in a rotatably-adjustable straight cam-slot in a plate 2 attached to the slide 1. Only the tool-slide in the operative position is engaged by the pin on the nut 3 which is moved by a lead screw VR. This lead screw is driven through a spring clutch AR adapted to slip on overload, a reversing drive 13-15 controlled by a clutch SR, and a high and low speed drive selected by clutches GR, PR from a change-speed gear-box BR. The latter is driven by an independent self-contained electric motor M. The clutches are operated by electromagnets S1, G1, P1, and returned to normal by springs 11, 12. The electromagnet circuits are also conditioned by switches operated by the tool slides and stops 4, 5 on the nut to give the following cycle starting from the initial retracted position of the tool slide, with lead screw stationary: (1) on operation of a switch such as R1 on the control distributer drum O-high-speed traverse of tool up to the work; (2) slow-speed feed motion; (3) reverse; (4) high-speed return to start; (5) conditioning of control circuits so that lead screw will be started for a new cycle when the distributor O  actuates R1 &c. again. In the event of the  safety clutch AR operating, this is arranged to throw out the main switch to the driving-motor M and also to operate a warning signal such as KL, indicating that part of the circuit which has caused the feed stoppage. Similar feed-cycle arrangements are provided for the members of a compound slide L, LT, and a cutting off slide F. An auxiliary feed-shaft V is provided for the stock-feeding and chuck-operating drives, controlled by an electromagnet D and a onerevolution cam drive. The circuit for this electromagnet is coupled with that for the cutting-off slide so that these always operate in proper timed relation. A modification using cam-shafts and all-mechanical clutching devices is described. Specifications 595,974, [Group XXIV], 598,082 and 626,617 are referred to.
Patent GB-255477-A (GB)
Title: Improvements in roofing material
IPC: E04D1/26
Filed: 1926-07-16
Abstract: 255,477. Flintkote Co., (Assignees of Rahr, C. E., and Drake, R. E.). July 16, 1925, [Convention date]. Compound or composite tiles; roofing tiles.-Sheet material for roofing comprising a base of felt or similar material and a facing of granular material has a metallic coating applied to the base in the interstices of the granular facing. The base 1, Fig. 3, is saturated with waterproofing material such as asphalt, and coated with a layer 3 preferably of an asphalt of high melting point. Over this is applied a layer of granular material 5 such as crushed slate which is rolled into the coating 3 while the latter is soft. The metal coating 6 is applied by electrodeposition, a conductive layer of graphite or powdered metal being applied to the coating 3 by brushing or dusting, followed by washing to remove the conductive powder from the granular material while leaving that adhering to the coating 3. In another method, granular surfaced roofing of ordinary type is coated with an asphaltic emulsion and dusted with metal powder or graphite. After drying, the powder on the granular particles is washed off, and the metal deposited on the powder remaining between the particles. In a modification, a thick emulsion is used and allowed partially to dry, after which it is washed so that the emulsion is removed from the tops of the particles, and the metal powder dusted on. The metal powder or graphite may be applied to the asphalt coated fabric before the granular material is applied, and in some cases a thin film of metal may be deposited before the application of the granular material, the metal coating being subsequently completed. The granular material and the metal powder or graphite may be mixed and applied together. Alternatively an asphalt emulsion may be applied to a granular coated base, and a solvent used to clean the tops of the particles and to render the asphalt in the spaces tacky, after which the metal powder is dusted on. Graphite may be applied by means of graphited water which is allowed to dry on the coated material. The deposition of metal may be limited to those parts of the material which are exposed in use. In the case of the roof shingle shown in Fig. 1, with cut-out indentations, the lower part is covered with metal, and metalcovered parts extend upwardly where the cut-out parts of the shingle in the course above occur when in position.
Patent GB-1224893-A (GB)
Title: Method of producing l-glutamic acid
Inventor: SUMINO YASHIRO
IPC: C12P13/14
Filed: 1968-04-16
Abstract: 1,224,893. L-Glutamic acid by fermentation. TAKEDA YAKUHIN KOGYO K.K. 16 April, 1968 [13 April, 1967; 22 Aug., 1967], No. 17938/68. Heading C2C. L-Glutamic acid is produced by cultivating an L-glutamic acid-producing organism of the genus Brevibacterium, Corynebacterium, or Micrococcus, which requires an unsaturated fatty acid of from 16 to 22 carbon atoms, but not biotin for growth, in a nutrient medium containing such an unsaturated fatty acid source and maintaining the concentration of the carbon source at not more than 1% by the addition of acetic acid during the cultivation period at a stage later than that at which the original carbon source concentration has already fallen below 1%. Specified micro-organisms are B. thiogenitalis spp. (IFO 12331, 12400 and 12401); B. sp. 111-509 IFO 12332; B. flavum IFO 12525; C. spp. 186 and 1602 (IFO 12398 and 12399); M. glutamicus spp. (IFO 12523 and 12524); specified fatty acids include oleic, palmitoleic, linoleic, linolenic, and arachidonic acids, which are preferably present in an amount of 50-1000 γ/ml. of the culture medium. Reference has been directed by the Comptroller to Specifications 1,176,150 and 1,183,235.
Patent GB-1040418-A (GB)
Title: Method of controlling the height of a charged raw material layer in dwight-lloyd sintering machine
IPC: C22B1/20
Filed: 1963-05-07
Abstract: 1,040,418. Controlling sintering machines. YAWATA IRON & STEEL CO. Ltd. May 7, 1963 [May 11, 1962], No. 17978/63. Heading F4B. The pressure in the wind-box 12 of a Dwight- Lloyd sintering machine is measured at 19 and its derivations from a set value A integrated over a time-interval B in a device 20 and the resulting signal utilized through controls 21, 23 to adjust the inclination of the feed plate 24. The weight of charge fed during a set time is calculated at 17 from the bed depth and grate speed and the resultant weight of fines produced is measured at 11. The production rate calculated from these measurements at 18 is stored at 21, and the production before and after adjustment of the bed depth is compared. Any decrease in production causes further adjustment of the bed-depth to be blocked and the set value A to be adjusted.
Patent GB-191091-A (GB)
Title: Improvements in or relating to the treatment of waste kinematographic and photographic films and the like for the recovery of silver and gelatine
Filed: 1921-07-04
Abstract: Waste photographic or kinematographic films from which the silver has been extracted are washed with water which may contain a hardening agent, such as alum, or a neutralizing agent, such as sodium bicarbonate, and are finally treated with hot water, which may contain a little alkali, to recover the gelatinALSO:Waste photographic and kinematographic films are treated for the recovery of silver and gelatin.  The film is passed through a bath of sodium sulphate of about 5 per cent strength, and is then treated with a solution of copper chloride or sulphate in hydrochloric acid to convert the silver into chloride.  This is dissolved out with sodium or potassium cyanide or thiosulphate and the silver recovered by electrolysis or precipitated as sulphide. The film is washed with water which may contain a hardening agent, such as alum, or a neutralizing agent, such as sodium bicarbonate, and is finally treated with hot water, which may contain a little alkali, to remove the gelatin.  In the conversion of silver into chloride a solution of ferric chloride or sulphate or the perchloride or per-salts of similarly acting metals may replace the copper compounds.
Patent GB-186979-A (GB)
Title: An improvement relating to advertising signs
IPC: G09F13/04
Filed: 1921-07-05
Abstract: 186,979. Normington, J. July 5, 1921. Transparency luminous signals.-A casing 1 is divided into panels 3 by grooved cross-rails 4, behind which is a glass screen on which announcements are displayed. Lamps 10 are disposed in the casing behind the glass, and the announce-- ments may be covered by slides 7. Stops 4<a> prevent the covering of information which is to be permanently in view.
Patent GB-545711-A (GB)
Title: Improvements in vacuum cleaners
IPC: A47L5/36
Filed: 1940-12-30
Abstract: 545,711. Silencing gaseous currents. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 30, 1940, No. 18228. Convention date, Dec. 28, 1939. [Class 7 (ii)] A silencing-device for the discharge of a fan 11, 12 of a vacuum cleaner comprises a wall 32 of corrugated paper or other sound-absorbing material surrounding the fan outlets at 30 and spaced from the outer casing 1, the discharge from the outlets 30 being downwards with a swirling motion, then upwards over the wall 32 and through a passage 35 to louvred outlets 36 in the casing. The passages formed between the layers of corrugated paper serve as sound filters to the air escaping through the passage 35. A wall of corrugated paper &c. may also be provided at 31. In a modification the discharge escapes through the passages formed between the layers of corrugated paper forming the annular sound-deadening wall, and then escapes through an axial re-entrant outlet in the casing.
Patent GB-597512-A (GB)
Title: Improvements in production of moulding powders and plastic masses
IPC: C08K5/098
Filed: 1944-09-25
Abstract: The amino-aldehyde resin plasticised with an inorganic lactate claimed in the parent Specification is modified for use as a moulding powder by subjection to grinding with or without the incorporation of up to 40 per cent of a filler.  Compositions suitable for casting may be obtained by employing an aqueous condensate of the amino resin and adding lactic acid to the syrupy mass of resin and plasticiser before casting.  A syrupy partial condensate of urea and formaldehyde containing 50 per cent solids is mixed with 20 per cent by weight of potassium, sodium or ammonium lactate and 20 per cent of wood meal. The mixture is dried and ground in a ball mill.
Patent GB-570092-A (GB)
Title: Improvements in and relating to radio receivers
IPC: H05K11/00
Filed: 1943-11-05
Abstract: 570,092. Wireless receiving apparatus. HILLS, F. M. Nov. 5. 1943, No. 18421. [Class 40 (v)] A midget radio receiver comprises a casing in which are removably assembled the valve or valves and other circuit elements connected to a plug, socket, &c. closely associated with the casing for connecting the receiver to a source of electric supply, the whole assembly being adapted to be completely suspended by the supply socket. The Specification describes a four-valve receiver having the components mounted in a ventilated casing i having a bayonet plug at one end for supporting the receiver when plugged into a lighting socket, and a socket at the other end for supporting a lamp k which may form a load resistance.in series with the valve filaments or heaters. Alternatively a separate load resistance may be furnished, which may be in the form of a lampshade made of resistance mat. One end of the casing supports a loudspeaker fed by output transformer g, and the other circuit components are arranged at the other end of the casing. In between are the valves bl, v2, which each comprise multiple electrode assemblies. A relay h serves for switching in alternative tuning elements on successively making and breaking the supply circuit by means of the normal electric light switch. The set may be' suspended from a pendant or supported on a table lamp, and a short length of flex may be provided between the supply plug and the casing. The supply mains are preferably used as an aerial but a separate aerial may be provided. Specifications 396,436 and 515,569 are referred to.
Patent GB-803819-A (GB)
Title: Improvements in or relating to mechanical furnace stoking apparatus
IPC: F23K3/10
Filed: 1955-06-27
Abstract: 803,819. Air supply to furnaces. BENNIS COMBUSTION, Ltd., PAGE, R. B., MELLOR, G. M., and FODDY, B. S. June 26, 1956 [June 27, 1955], No. 18452/55. Class 51 (1). In order to secure the uniform combustion of the fuel over the whole area of a furnace gate, air for combustion is supplied through a duct disposed beneath the grate and comprising side and end walls 12, 13 and 25, Fig. 1, respectively and walls 19, 20 defining a central wedgeshaped space A, Fig. 3, and an outer space B. The air is admitted at the apertures 14, 15 in the walls 12, 13 and flows through channels formed by curved plates 16, 17, 18 into the space A from which the bulk of the air flows up through the fuel bed, while a part controlled by pivoted vanes 19a, 20a on the walls 19, 20 is admitted to the space B from which it also rises up through the bed. The duet is formed with a fixed cover plate 27 at one end and an adjustable cover plate at the other.
Patent GB-788503-A (GB)
Title: Viewers for viewing images on transparent slides
IPC: G03B23/04
Filed: 1956-06-14
Abstract: 788,503 Viewing transparencies. AIREQUIPT MANUFACTURING CO., Inc. June' 14, 1956 [Jan. 18, 1956], No. 18481/56. Class 97(1) Apparatus for viewing images on transparent slides comprises an inclined track on which is slidably supported a magazine for holding several slides, an optical system including an eyepiece and a light source for viewing the slides, a reciprocatable slide feeding mechanism for moving the slides individually from the magazine into the optical system for viewing and then returning them to the magazine, and means operable in synchronism with the slide feeding mechanism for permitting the magazine to advance by gravity down the inclined track through intervals which present the slides in succession to the slide feeding mechanism. As applied to the viewing of stereoscopic pairs the slides are supported between V-shaped members 32, Figs. 2, 4, in a magazine 14, Fig. 2, slidable under gravity along an inclined track and held stationary by engagement of a pivoted pawl 53 with one of a series of elongated ratchets 35 on one side of the magazine. The floor of the magazine has two apertures beneath each slide through which the feeding members 47, 48, Figs. 2, 5, of a slide elevator 46 may enter to move the slide upwards into position for viewing. Such movement is effected by an actuating member 37, Figs. 4, 5, having an inclined slot 45 engaging a pin 51 on the slide elevator 46 which pin also engages a vertical slot 44 in a plate 39 fixed to the casing and having grooves 40, 41 in which the member 37 slides. On sliding the member 37 to the left in Fig. 4 the pin 51 riding in the slots 44, 45 raises the elevator 46 to feed the slide upwards. In its movement the elevator 46 lifts the pawl 53 from the ratchet 35 but by engagement of the edges 49, 50 between the ratchets prevents the magazine sliding downwards under gravity. On sliding the member 37 to the right the elevator 46 falls to return the slide to the magazine which then slides forward until stopped by engagement of the pawl 53 with the next tooth on the ratchet 35 to' bring the next slide into' position. Members 58, 59 are carried by the ends of the elevator 46 to carry the slide downwards should gravity be insufficient for this purpose for any reason. An arm 72, Fig. 5, is provided to move the pawl 53 to allow the magazine 14 to be turned freely if desired. The slide in its viewing position is illuminated by a lamp 76 or reflector 74, Fig. 2, and is viewed by reflection in a mirror 81 by means of eyepieces 84, 85, Fig. 4, adjustable to the interocular distance of the observer by a rotatable shaft 97 and links 103, 104 and carried on a casing 86 movable for processing by a rack 88 and pinion 90. The lamp 76 is fed by a battery or transformer in a casing 109, Fig. 2, in circuit with two contacts 113, 114, Fig. 4, which are closed by a member 116 on the member 37 so that the lamp is energized'only when a slide is in position for viewing. The invention may be applied to the viewing of single pictures.
Patent GB-685870-A (GB)
Title: Improvements in or relating to watch movement
IPC: G04B33/10
Filed: 1950-07-25
Abstract: 685,870. Watches. UNITED STATES TIME CORPORATION. July 25, 1950 [July 27, 1949], No. 18544/50. Class 139 A watch movement of the full-plate centreseconds type comprises a rear frame plate, provided with an enlarged aperture substantially centrally thereof, and a front frame plate provided with a bearing aperture for a tubular centre arbor substantially centrally thereof, wherein a bracket or support is carried by or integrally with the rear frame plate and extends into the movement from the enlarged aperture in said rear frame plate, said bracket having a portion parallel with said rear frame plate apertured to provide a bearing rotatably receiving one end of the centre arbor. The tubular minute shaft 26, Fig. 1, is driven from the barrel wheel 22 which meshes with a pinion 44 frictionally clutched to the shaft by a spring 50. A collar on the shaft 26 bears in a bearing aperture 24 in the front plate 10. The centre seconds staff 64 rotates within the shaft 26 in bearings 60, 62 and is driven through a train comprising a gear wheel 46 fixed to the pinion 44, the third wheel pinion 54, the third wheel 56 and the pinion 70 fixed to, the shaft 64 and pressed by a spring 84 against a bearing 82 formed by, the adjacent end of the tubular shaft 26 which end is supported in a bearing 78 of a member 12, Figs. 1 and 2, which is force fitted into a central aperture 14. in the rear plate 12 and has. a flange 74 bearing against the outside of said rear plate. In another embodiment, Fig. 3, a member 88 is forced into the open end of the member 72. and has a. bearing 90 for the shaft 64. In another example, Fig, 4 (not shown), the member 72 has a flange which bears against the inside surface of the plate 12. In a further example, Fig. 5 (not shown), the member 72 is integral with the rear plate.
Patent GB-316660-A (GB)
Title: Improvements in or relating to ignition magneto-electric machines
IPC: H02K21/10
Filed: 1929-06-17
Abstract: 316,660. Unterberg, G., (Assignee of Heerd, R. E.). Aug. 2, 1928, [Convention date]. Magneto-electric machines.- In order to reduce the moment of inertia of the armature of a magneto, the end plates b are made of a light metal in which the axle a, preferably of magnetic material, is cast. The shaft carries a collar a<1> formed with a roughened groove into which the portions b<1> of the end plates shrink during the casting operation.