baber/WOPTO huggingface dataset:
Patent GB-1055293-A (GB)
Title: Improvements in and relating to glass furnace hearths
Inventor: SHIELDS RODNEY
IPC: C03B5/43
Filed: 1964-02-14
Abstract: 1,055,293. Glass melting furnaces; hearths. OWENS-ILLINOIS GLASS CO. Feb. 14, 1964, No. 6215/64. Heading F4B. A glass melting furnace hearth 21 comprises an upper layer of pressed zircon or similar layer resistive to the abrasive and corrosive action of molten glass, a second layer of firebrick resistive to the abrasive action of molten glass and having insulating properties such that the outer face temperature is less than the liquidus temperature of the glass, and a third layer of thermal insulation. In the preferred embodiment, a gasfired, regenerative side port glass-melting furnace has an upper two-course 6-inch layer 32 of pressed zircon, Al-Zr-Si cast refractories of fused alumina, a second layer of firebrick comprising an upper three-course 9-inch layer of Super Duty firebrick and a third composite layer comprising a lower two-course 6-in layer 28 of High Duty firebrick and an underlying 3-inch thermal insulating firebrick layer 25, preferably having a density of 48 lb./ft.<SP>3</SP> or less, a reheat change of approximately 2% at 2250‹ F. and a thermal conductivity of 2 B.T.U./ hr. ft.<SP>2</SP>‹ F. per inch at 2000‹ F. The High Duty firebrick of the two-course layer 28 may be replaced by Super Duty firebrick, said layer then forming part of the second layer. A double layer 24 of asbestos sheet on a steel mesh or expanded sheet 23 forms a base layer 22. Fig. 3 (not shown) illustrates a temperature e gradient through a hearth as above for a glass temperature of 2500‹ F. at the glass/hearth interface 33.
Patent GB-622042-A (GB)
Title: Improvements in or relating to water heaters and steam cookers
IPC: F24C13/00
Filed: 1947-03-05
Abstract: 622,042. Steam-cookers. GILLOTT, W. A. March 5, 1947, No. 6250. [Class 28(i)] [Also in Group XIII] In a water-heating and steam cooking system in which a boiling tank 14 with e.g. an immersion heater 15 supplies steam to cooking wells 37, the tank 14 being replenished with pre-heated water, the pre-heated tank 7 is located on the top of, or within the hot water storage tank 6 of an independent (domestic) hot water system which may include e.g. the usual coal or oil fired boiler or an immersion heater tank. The preheating tank 7 thereby obtains its heat by direct conduction from the independent hot water tank 6. The boiling tank 14 is located above the preheater tank 7 and all is enclosed in a casing 5 with a top cover 2 containing and integral with the cooking wells 37. The casing and cover may also include within the unit an electrically heated oven 1 with grill 3 and hot-plate 4, as well as the independent domestic hot water tank 6, Fig. 1. The preheater tank 7 is supplied with cold water from a feed tank 11 with a ball valve 12 to control the water level therein to keep the tank 7 fully supplied under this head of water pressure. The supply pipe 10 is U-shaped to prevent hot water from flowing up into the tank 11. Under this pressure head the now pre-heated water flows up through a pipe 21 and a closable valve 23, Fig. 4, into the boiling tank 14. A spring 25 biasses the valve 23 to open position. The top of the boiling tank supplies steam through holes 18b and a closable steam valve 22 to a flexible steam pipe 34 with a distributor 35 with shutters to supply the steam to one or more steam cooking wells 37. The valves 22 and 23, Fig. 4, are coupled together by a rod 24 and a linkage 29 operated by a handle or knob 32, Fig. 2, outside the front casing. Normally these valves are kept open by a spring, but to obtain some boiling water from an external draw off spout 39 the knob 32 is turned to close both the steam outlet valve 22 and the water inlet valve 23 whereby the steam now enclosed in the tank 14 generates a pressure to force boiling water up through a pipe 38 in the tank 14 to the spout 39. The spout 39 is above the water level 14a in the tank 14 so that no siphon action occurs, and fully boiling water only is supplied. The pin and slot connection 26 and the spring 25 ensures both valves being closed at the same time. Steam condensed from the cooking wells 37 drains into traps 40, Fig. 5 and is led off through 44a, and a flexible pipe 44b to a funnel 45 and waste pipe 46, all within the casing. The trap 40 has a maintained liquid level 40a. Grease collecting on the walls of 40 can be scraped off and removed by pulling up a cup-shaped scraper 43 and emptying it outside. A plug 41 covers the trap 40. The cooking wells 37 have covers 48 which rest in a groove 47, formed in the top plate forming a water seal for the well with condensed steam lying therein.
Patent GB-280771-A (GB)
Title: Improvements in safety control mechanism for liquid fuel burning devices
IPC: F23N5/24
Filed: 1927-03-07
Abstract: 280,771. Marks, E. C. R., (Williams Oil- O-Matic Heating Corporation). March 7, 1927. Electrically controlling fuel and air supplies.-In a thermostatically controlled liquid fuel burner apparatus, hot combustion gases from the pilot light 12 and combustion chamber are drawn by a pump B through a tube 13 and a casing 15 when the burner is in operation and a gas-loaded diaphragm 19 enclosed in the chamber 15 operates to break the circuit to a heating coil 36, which circuit is completed when the thermostat Y operates a relay switch to close a high voltage circuit to the motor A driving the fuel and air projecting means. A bimetallic spring lever 38 arranged in proximity to the coil 36 moves after short interval to allow a contact arm 42 to drop and operate the relay switch to break the motor circuit if, owing to the extinction of the pilot light and burner, the circuit through the heating coil remains or. becomes closed. The relay switch comprises an oscillating member 55 carrying a contact lug 58 engaging when the motor is in operation with a contact member 59. The member 55 is moved about its pivot when the thermostat arm is in either end position by the completion of the circuit through one of two electromagnet coils 51, 52. Low voltage current is supplied by a transformer X to the thermostat Y and coils 51, 52 through a circuit inch ding the contact arm 42 which when in the raised position engages with a contact 46 connected to the thermostat arm and when in the. lowered position engages a contact 45 connected to the " off " terminal of the thermostat. When the member 55 moves to close the motor circuit it closes at 60, 61 a low tension circuit through the heating coil 36, plates 32, 33, fixed on the casing 15 and a contact plate 25 connecting the plates 32, 33. The diaphragm is mounted between spring-pressed rods 20, 21 and on expansion by the heat of the gases passing through the casing 15 operates the rod 21 to separate the plate 25 from the plates 32, 33. If the diaphragm becomes excessively heated the rod 20 is moved to displace a valve 22 and thereby uncover ports admitting cool air to the casing. The contact arm 42 after being released by the lever 38 may be restored to its initial position by operating a spring-pressed lever 49.
Patent GB-768561-A (GB)
Title: Improvements in and relating to television receivers
Inventor: BAMFORD ALAN BAMFORD
IPC: H04N5/60
Filed: 1954-03-04
Abstract: 768,561. Television. ULTRA ELECTRIC, Ltd. Feb. 22, 1955 [March 4, 1954], No. 6367/54. Drawings to Specification. Class 40 (3). [Also in Group XL (c)] In a television receiver, sound interference is prevented by a parallel resonant circuit, tuned to approximately the difference frequency, 3.5 Mc/s., between the sound and vision carriers in series between the video detector and the control grid of the video amplifier and such that it forms, with the input capacitance of the latter, a series circuit resonant at a frequency which extends the frequency response of the video amplifier up to 3 Mc/s.
Patent GB-919555-A (GB)
Title: Improvements in or relating to devices for transmitting movement
IPC: G01D5/02
Filed: 1960-02-23
Abstract: 919,555. Magnetic couplings. GENERAL ELECTRIC. CO. Ltd., and BOWDEN, C. Feb..23, 1961 [Feb. 23, 1960], No. 6402/60. Class 35. [Also in Group XIX] A dial gauge in which movements of a feeler 1 are transmitted to a pointer 8 comprises a permanent magnet 3 within a cylindrical aperture in another permanent magnet 2, both magnetically polarized lengthways of the aperture to repel one another, the magnet 3 being mounted for rotation about an axis 6 that passes through the aperture and is spaced from the axes 5, 7 of magnetization of the magnets 3, 2, the arrangement being such that under the action of their mutual repulsion the two magnets adopt a relative position in which they are in stable equilibrium and in which the axis 7 lies between the axes 6, 5, and that movement of the magnet 2 in a general direction that is transverse to the axis 6 causes rotation of the magnet 3 so as to maintain stable equilibrium between the two magnets. As shown, the magnet 3 is mounted on a rotatable shaft 4 which carries the pointer 8 and.is limited in rotation by stops. 10. The annular magnet 2 is carried by the feeler 1 which is pivoted on an arm 12 itself pivoted on the base-plate 11 and biased by a spring 14 to urge a set-screw 13 against a stop 15. A magnet 16 is mounted on the base-plate 11 to repel the annular magnet 2 and thereby exert a force on the stylus 1 biasing it towards a workpiece 17.
Patent GB-665685-A (GB)
Title: Improvements in and relating to apparatus for transporting bees
IPC: A01K55/00
Filed: 1949-03-09
Abstract: 665,685. Beekeepers' appliances. HUGHES, J. March 8, 1950. [March 9, 1949] No. 6487/49. Class 5(ii). Ventilated but light-tight trays for supporting bee-hive brood-chambers in transit comprise a base 10 and perforated stepped sides 12, 14 forming a ledge on which rests the sides of the brood-chamber 16. Screws 17 secure the outer side member 12 to the chamber. Strips 20, 21 attached to the members 10, 14 support a vertical metal plate 19 and a horizontal perforated zinc plate 24, the adjoining edges of the plates 19, 24 being supported and secured by strips 22, 23. One of the ends 13 of the tray contains a bee-entrance 25 closable through transit. During transit also the brood-chamber quilts and cover board are replaced by a ventilated cover.
Patent GB-772293-A (GB)
Title: Improvements in and relating to electric motor control systems
Inventor: SCUTT DENNIS CLIFFORD
IPC: H02P5/68
Filed: 1954-03-05
Abstract: 772,293. Automatic control systems for electric motors. ENGLISH ELECTRIC CO., Ltd. March 4, 1955 [March 5, 1954], No. 6511/54. Class 38 (4). [Also in Group XXXVII] An engine-driven variable-voltage generator G supplies, under motoring conditions, a number of series traction motors connected in parallelpairs M1-M2, M3-M4, and M5-M6; whilst, under braking conditions, the motors in each parallel circuit are arranged to supply an associated braking resistor BR1, BR2, or BR3, the series field windings M1f-M6f of all the motors being excited in series by the variablevoltage generator which has an auxiliary field winding GST connected in series with braking resistor BR1 and adapted to oppose the main field winding GSH of the generator. For starting its driving engine, the generator armature is connected in series with the field winding GST across a battery so that the generator then acts as a motor. The winding GST is deenergised under motoring conditions. A field regulator FR for the main generator field winding GSH is actuated by a pilot motor RM having reversing field windings RMR, RML, and, to increase the braking torque, contacts DC1 are closed to energize relay VRR. The braking torque is decreased by energizing relay VLR through contacts DC2 on the driver's controller whereby contacts VLR1 are closed in series with field winding RML. A braking limit relay has one coil LRC1 energized in accordance with the armature current of the motors M1, M2, and a second coil LRC2 which magnetically assists the first coil and is excited by the field current of the motors during the braking operation. Operation of the braking limit relay over-rides the driver's controller since contact LRC3 is opened and contact LRC4 closed to connect the relay coil VLR to supply-lines AX. Contacts VLR1 close to drive the regulator FR in a sense tending to decrease the excitation of the main field winding of the generator, whilst contacts VLR2 open to prevent energization of the field winding RMR if the driver's controller is moved to close the contacts DC1. If the braking limit relay operates when the driver's controller is in the " increase braking " position, the pilot motor is reversed and the braking effort consequently falls until the braking limit relay drops out. The regulator motor then reverses again, and this repeated operation of the field regulator maintains the braking effort substantially constant at a predetermined value.
Patent GB-1149127-A (GB)
Title: Improvements in pick-up arm spindle bearings for record players
Inventor: EVANS PHILIP HENRY
IPC: G11B3/10
Filed: 1967-02-11
Abstract: 1,149,127. Gramophones. BSR Ltd. 6 Feb., 1968 [11 Feb., 1967], No. 6637/67. Heading G5R. A support assembly for a vertical spindle 11 carrying a pick-up arm 10 comprises an upper fixed support 25 restraining the spindle 11 against lateral movement, and a lower fixed support 17 having a bearing surface 19 engaging a bearing surface 16 at the lower end of the spindle 11, spring means 22 acting between the spindle and support 17. As shown, the spring 22 is attached to a quadrant selector plate 14 fixed to the spindle 11, by which the pick-up arm 10 is automatically cycled (not detailed), and bears against a convex surface 20 on an extension 18 of the lower support 17. Alternatively, the lower end of the spindle 11 may be flat and bear against a ball (16b) (Fig. 3, not shown) located in the pocket 19 of the lower support 17.
Patent GB-291876-A (GB)
Title: Improvements in coursing apparatus
IPC: A63K1/02
Filed: 1927-03-10
Abstract: 291,876. Moche, S. March 10, 1927. Dog-racing apparatus. - Apparatus for supporting and propelling the lure in dogracing and training tracks is provided with an overhead rail and lure-carrying trolley vertically above the lure. Upright B along the side of the track have lateral arms C to which are secured an I-section rail D below which is attached a track E of planks on the upper surface of which are two metal strips F connected to the current mains, for example through hollow arms and uprights C, B. A carriage H has four wheels I running on the conducting strips F but provided with journals insulated by rubber bushes. Alternatively the wheels I may run on the track E outside the conducting strips. The carriage H extends below the track E and has a motor J mounted in straps pivoted to the front end of the carriage and ending in apertured bosses H<3> passed over pins P on which are threaded springs L pressed by nuts P<1> on the pins, so that the driving wheels K, which are directly secured to the motor shaft, are pressed against the lower side of the track E. Four arms R on vertical pivots at the corners of the carriage carry wheels S bearing on the web of the rail D against which they are kept by springs T. Brushes U and leads V put the motor in circuit. A light rod M on a horizontal pivot M' in front of the carriage carries the lure on a spring or flexible member N. The arm M may be extended upwardly at an inclination to carry a wheel which may bear upon projections fitted on the track E for the purpose of raising the lure, for example to clear hurdles. Protection netting and lights may be mounted on the supports B and the lights may be arranged so as to leave the overhead mechanism in the shadow.
Patent GB-657808-A (GB)
Title: Improvements in or relating to racks for plates and other disc-like objects
IPC: A47L19/04
Filed: 1949-03-11
Abstract: 657,808. Plates and racks. McCULLOCH, A. M. March 11, 1949, No. 6793. [Class 28(ii)] A plate or disc rack comprises a base 1 having a central channel 2 containing a series of transverse plate supports or louvres 9 the channel sides extending upwardly and outwardly into plate side supports 3 and 4. An end support 14 may also be provided to support the plates as they lean towards it. Instead of louvres plain slots may be provided.
Patent GB-971810-A (GB)
Title: Process and apparatus for injection moulding plastics material soles to uppers
IPC: B29D35/00
Filed: 1962-02-21
Abstract: 971,810. Boots &c. H. LUDWIG, [trading as DEUTSCHE SPEZIALMASCHINEN CO. H. LUDWIG KOMM.-GES.]. Feb. 21 1962 [April 27, 1961], No. 6832/62. Heading A3B. [Also in Division B5] A process for injection moulding a sole to an upper comprises lasting an upper, placing it still on the same last in sealing engagement with a sole mould, injecting plastics material into the mould, and removing the finished shoe from the last. The injection moulding apparatus is described in Division B5.
Patent GB-926832-A (GB)
Title: Improvements in or relating to paper making machines
IPC: D21F1/48
Filed: 1962-02-22
Abstract: 926,832. Paper-making machines. KARLSTADS MEKANISKA WERKSTAD A.B. Feb. 22, 1962 [Feb. 18, 1961], No. 6846/62. Class 96. When the horizontal surface 17, Fig. 1, of the drainage element 11 of a Fourdrinier papermaking machine has worn down as shown in Fig. 2, the element 11 is withdrawn from its support 13, turned about to shift its ends, and then reattached to the support 13 such that what was the slanting face 19 in Fig. 2 now becomes the horizontal surface 17 in Fig. 1. This procedure is repeated each time the horizontal surface 17 is worn down, the support 13 being raised one step each time.
Patent GB-710588-A (GB)
Title: New or improved engine arrangement on a motor vehicle
IPC: F02B75/20
Filed: 1952-03-17
Abstract: 710,588. Motor vehicles. DAIMLER-BENZ AKT.-GES. March 17,1952 [March 15, 1951], No. 6880/52. Class 79(3) [Also in Group XXVII] In a motor vehicle having a transverse rear engine, the engine is enclosed, so as tc exclude dust and dirt, in a chamber. provided witt means for maintaining there in an air pressure above that of the atmosphere. As showr in Fig. 1 applied to a trans verse engine 13 mounted ir the rear of an omnibus and having an exhaust pipe 17 the engine driving the wheels through a change speed gear 14 and a shaft 15, the engine is enclosed in the chamber 12 connected by a tunnel 18 enclosing the gear 14, a radiator 20, a fan 21 to an air intake covered by a filter 19. The air so supplied to the chamber 12 which keeps the pressure therein above atmosphere is partly taken into the carburetter 16 and partly discharged through an opening 22 which is regulatable from the driver's seat. In a modification, Fig. 2 (not shown), the tunnel 18 is omitted and the air is drawn into the chamber by a compressor provided solely for that purpose, the intake to the carburetter being provided inside or outside the chamber and an adjustable blow-off valve being provided for the pressure within the chamber.
Patent GB-155491-A (GB)
Title: Improvements in nut locks
IPC: F16B39/04
Filed: 1920-03-08
Abstract: 155,491. Stephens, H. T. March 8, 1920. Locking nuts. - A wire is adapted to engage in a slot in the end of the bolt b and in a pair of a series of slots k formed in the end of the nut t. The ends of the wire are secured in a circumferential groove g formed at the roots of the slots in the nuts.
Patent GB-930584-A (GB)
Title: Improvements in and relating to the treatment of waste gases
Inventor: WOOD CHARLES WILLIAM
IPC: B01D47/06
Filed: 1961-02-25
Abstract: Flue gases and similar gases are freed from SO2 by washing with an aqueous solution containing 40 to 80% H2SO4, persulphuric acid and hydrogen peroxide, all or part of which is then regenerated in the anode compartment of an electrolytic cell, and then re-cycled to the washing stage.  The absorbed SO2 is converted to SO3 in the washing stage, and in the electrolytic cell, is further oxidized to persulphuric acid where also H2O2 is formed.  Flue gas admitted through a pipe 12 flows upwards from nozzles 13 against descending streams of the aqueous washing liquid passing through a conduit 15, and the cleaned gas is vented at 14.  Washing liquid now containing SO3, is withdrawn through a pipe 18, and a part is recycled through a pipe 19a.  The remainder is pumped through a cooling tank 21 to the anode compartment of an electrolytic cell, where oxidation is assisted by the presence of halogen ions, e.g. HCl.  The regenerated washing liquor is pumped to the inlet 15. As the <PICT:0930584/III/1> H2SO4 content rises during the washing process, a part of the liquor is withdrawn through a pipe 30, and the equivalent amount of water is added through an inlet 37.
Patent GB-1359611-A (GB)
Title: Pressure reducing valves
IPC: G05D16/06
Filed: 1972-02-15
Abstract: 1359611 Valves RELF RESEARCH Ltd 15 Feb 1972 [19 Feb 1971] 7008/72 Heading F2V In a pressure reducing valve a closure member 11 controls the flow between an inlet 22 having a valve seat 10 and an outlet 3 in accordance with the pressure acting on a diaphragm 7 which is diposed between chambers 25, 26 communicating respectively with the outlet and atmosphere. An ejector formed by a jet 16, a passage 32 and slots 29 therebetween produces an increased pressure drop in chamber 25 when outlet pressure drops to open the valve. A tube 4 screwed at respective ends to the inlet and outlet holds the two acetal resin body members 1, 2 together and clamps the periphery of the diaphragm therebetween. Tube 4 may be integral with the inlet. Spring 18 biases the diaphragm to valve open position and is adjustable by screw 21. Plates 12, 17 and tube 13 clamping the inner periphery of the diaphragm may be integral. Flow takes place through slots 28 of the valve member which communicate with hollow part 14. Pressure release system 23 and a secondary loading 33 may be provided. Diaphragm 7 may be replaced by a piston.
Patent GB-609333-A (GB)
Title: Impedance matching devices
IPC: H01P5/02
Filed: 1946-03-06
Abstract: 609,333. Transmission lines. POLYTECHNIC INSTITUTE OF BROOKLYN. March 6, 1946, No. 7014. Convention date, March 6, 1945. [Class 40 (viii)] An impedance matching device for cancelling reflection from a point of impedance discontinuity in a coaxial cable consists of a loss producing element embodied in the cable in front of the point of impedance discontinuity and having an impedance such that the input impedance of the matching device is equal to the characteristic impedance of the cable. In Fig. 1 an attenuator assembly is shown for embodiment in a coaxial transmission line by plug couplings at its ends. The inner conductor 2 has an attenuating section 3 formed by a thin metallic film deposited on an insulating rod as described in Specification 606,891. Insulating discs 4 are provided as supports at each end of section 3 and one disc at each end is provided with a conductor layer 5 to form the desired loss producing element. With this construction the transmission line is only matched exactly for one given wave length for which the film 5 is at a point of maximum impedance and therefore manual adjustment of the matching disc may be necessary. An alternative loss producing device may be a high resistance section inserted in conductor 2 and if this is a coating on the conductor of varying thickness or with slots of changing width it will match for a broad band.
Patent GB-1446285-A (GB)
Title: Hydrotreating catalyst and process
IPC: B01J27/19
Filed: 1974-02-15
Abstract: 1446285 Hydrotreating catalyst CHEVRON RESEARCH CO 15 Feb 1974 [16 Feb 1973] 7073/74 Heading B1E [Also in Division C5] A hydrocarbon hydrotreating catalyst is formed by calcining an alumina or silica-alumina support at from 1400-1700‹F and then impregnating, in a single step, with a solution of a Gp VIII metal salt and a heteropolymolbdic acid. Specified Group VIII metals are Co, Ni which are used as solutions of their nitrates or acetates. Phosphomolybdic acid is the preferred heteropolymolybdic acid, but the use of silicomolybdic acid is also exemplified.