baber/WOPTO huggingface dataset:
Patent GB-766651-A (GB)
Title: Improvements in or relating to the grinding of workpieces
IPC: B24D7/12
Filed: 1953-12-09
Abstract: 766,651. Grinding. STEPHAN, W. [trading as STEPHAN UND SOEHN, A.]. Dec. 9. 1953 [Dec. 31, 1952; June 5. 1953], No. 34201/53. Class 60. A workpiece is ground by a thin disc, preferably of sheet steel, coated on one or both sides with an abrasive, the disc being formed with axially directed openings therethrough and rotated at a speed which is high enough having regard to the persistence of vision of the human eye to provide a persistent view through the openings, so that with the workpiece applied to an abrasive side of the disc at the side remote from the operator, the grinding process is observed by the operative as grinding proceeds. A steel disc a has radial slots d or incisions e; the latter may be formed by separate sectors, fingers or the like f mounted in a separate rotary carrier, e.g. on or between retaining or clamping discs. Sectors or fingers g may also be aranged mutually parallel in groups. Circular inspection apertures i may be arranged on a spiral line. The edges n of the apertures are bevelled. The abrasive material may be applied directly to the disc or may be on a carrier, e.g. a cloth backing stuck to the disc. When both sides of the disc are abrasive coated, the grain size on one side may differ from that on the other. The surface of the disc which is to be directed towards the operator is preferably dark in colour, e.g. black.
Patent GB-334782-A (GB)
Title: Roller skate
IPC: A63C17/18
Filed: 1929-11-11
Abstract: 334,782. Schwarz, F. Nov. 11, 1929. Skates.-A roller skate is convertible into an ice skate, the wheels a being carried by linkage c from shafts b so that they may be swung up outside the hollow body d, the edges i of which then form ice runners. The bars c are secured in their extreme positions by spring bolts e on them engaging holes f in the body d connected by arcuate slots g.
Patent GB-1369289-A (GB)
Title: Processing for the high strngth alpha-beta titanium alloys
IPC: C21D1/00
Filed: 1972-09-24
Abstract: 1369289 Heat-treating titanium alloys UNITED AIRCRAFT CORP 24 July 1972 [6 Oct 1971] 34555/72 Heading C7A Alpha-beta alloys are solution treated in the α/# region within 55 C. of the # transus to develop primary alpha-phase and then transferred directly to an isothermal treatment bath, particularly of a molten salt, at a temperature low in the α-# field and within 110 C. of the α transus, where they are held to develop a desired amount of secondary α. There then follows cooling and subsequent precipitation hardening. Preferably the first stage of treatment is carried out at 871 to 927 C., the isothermal transformation at 760 to 817 C., and final hardening at 510 to 593 C. In a particular embodiment a Ti-6% AL-2% Sn-4% Zr-6% Mo alloy is forged at 885 to 899C., solution treated at 921 C for 1 to 2 hours, isothermally transformed at 829 C. for 15 minutes and aged at 510 to 593 C. for at least 8 hours.
Patent GB-1022253-A (GB)
Title: Process for the chlorination of hydrocarbon or partially chlorinated hydrocarbons
IPC: C07C17/10
Filed: 1962-09-10
Abstract: A process for chlorinating hydrocarbons and/or partially chlorinated hydrocarbons containing up to 2 carbon atoms comprises reacting the hydrocarbon or chlorinated hydrocarbon in the presence or absence of catalysts with chlorine in a reactor in the liquid phase under conditions of turbulent flow, chlorine being introduced into the reaction system in the liquid state. Many embodiments are described including such features as feeding reactants at more than one point, mixing reactants before the reactor, dissolving reactants in recycled product before mixing, preheating reactants, recycling reactants and utilizing surplus heat to work heat engines.  In examples, trichloroethylene is converted to pentachloroethane. Reference is also made to chlorination of acetylene to tetrachloroethane.
Patent GB-657754-A (GB)
Title: Improvements in the disinfection of seeds
Inventor: B LAUXEIN-CASCO A
Filed: 1947-12-30
Abstract: A fungicide for seeds comprises an organic mercury compound dissolved in a mixture of a substantially non-volatile oil of mineral origin known as fuel oil and a mutual solvent which increases the solubility of the mercury compound in the oil. Suitable solvents are benzene, xylene, alcohols, esters, ketones, low viscous fractions of coal tar known as gas tar and "heavy oil" being a fraction of coal tar boiling between 140 DEG C and 200 DEG C.  Examples relate to methyl mercury oleate, hydroxide and bromide dissolved in mixtures of fuel oil with heavy oil, xylene, a mixture of xylene and alcohol, or benzene.  The Specification as open to inspection under Sect. 91 comprises also the replacement of fuel oil by animal, vegetable or other mineral oils, such as paraffin, soyabean, linseed, whale and tall oils.  This subject-matter does not appear in the Specification as accepted.ALSO:Seeds are disinfected by contacting them with 6 grams or less per kilogram of seeds, of a solution of a fungicidal organic mercury compound in an oily vehicle comprising a mixture of a substantially non-volatile oil of mineral origin known as fuel oil and a mutual solvent which increases the solubility of the mercury compound in the oil.  According to examples (1) methyl mercury oleate is dissolved in a blend of heavy oil and fuel oil and 1.7-2 grams per kilogram are used to disinfect rye, wheat or barley seeds; 3 grams per kilogram for oats or 5-6 grams for beet. (2) methyl mercury hydroxide is incorporated in one third xylene and two thirds of fuel oil or in one third alcohol, one sixth xylene and one half fuel oil. (3) methyl mercury bromide is incorporated in equal parts of benzene and fuel oil and used in the proportions given in example (1).  The Specification as open to inspection under Sect. 91 comprises also the replacement of fuel oil by animal, vegetable and other mineral oils such as paraffin, soyabean, linseed, whale and tall oils.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1270558-A (GB)
Title: Mobile selective calling systems
IPC: H04W88/02
Filed: 1969-07-10
Abstract: 1,270,558. Telephone exchanges. INTERNATIONAL STANDARD ELECTRIC CORP. 10 July, 1969 [12 July, 1968], No. 34739/69. Heading H4K and H4L. A radio telephone system in which mobile stations are called using sequences of frequencies or tones, employs at least three frequencies or tones on a single channel to designate the numbers of wanted mobiles, each mobile being designated by a sequence employing two frequencies or tones only. As described the base station which is connected to a wired exchange uses a single calling channel and ten modulation frequencies. The code for each mobile comprises two modulation frequencies transmitted in a characteristic sequence i.e. in start-stop form. Each mobile need only be able to detect those modulation frequencies by which it is designated and to recognize its characteristic sequence. The mobiles are arranged to transmit this sequence to answer or originate a call.
Patent GB-858798-A (GB)
Title: Improvements in variable speed-v-pulleys
IPC: F16H63/06
Filed: 1956-01-17
Abstract: 858,798. Expanding pulley gearing. LOMAS, A. E. Jan. 14, 1957 [Jan. 17, 1956], No. 34856/60. Divided out of 858,797. Class 80 (2). In an expanding V-pulley at least one flange is moved axially by relative rotation of a first sleeve connected to the flange and a second sleeve rotatably mounted but axially fixed with respect to the pulley shaft, the second sleeve having means to retard its rotation, and clutch means having three settings in which positive connection may be made between the shaft and the pulley halves only, the shaft and the second sleeve only, and the shaft, the second sleeve and the pulley halves. Relative axial movement of pulley flanges 1a, 1b is produced by screwed sleeves 19, rigid with flange 1b, and 8 rigid with a brake drum 14, the flange 1a and sleeve 8 being axially fixed on pulley shaft 2. A sliding dog clutch member 48 rotationally secured to the shaft 2 may couple the sleeve 8 only to the shaft, the flanges la, 1b only to the shaft or both flanges and the sleeve 8 to the shaft 2. Adjustment of the pulley is effected by clutching the pulley flanges to the shaft and applying the brake 14 for one sense, or coupling the brake 14 and sleeve 8 to the shaft and producing relative rotation of the threaded sleeves by slowing of the pulley under load for the other sense. For normal running the clutch is in mid-position to couple both flanges and the sleeve to the shaft. In one modification, a spring assists the closing together of the flanges. In a second modification the dog clutch is positioned on the opposite side of the pulley to the brake, and in a third modification right- and left-hand threads and an additional brake provide axial movement of both flanges.
Patent GB-1019292-A (GB)
Title: Improvements in or relating to cold-storage cabinets
IPC: F25D23/06
Filed: 1962-09-12
Abstract: 1,019,292. Refrigerators. ESCHER WYSS G.m.b.H. Sept. 12, 1962 [Sept. 12, 1961], No. 34866/62. Heading F4H. A cold storage cabinet comprises an inner liner 11, an outer shell 1 and in situ foamed plastics insulation 8, the outer shell being formed of two identical half-portions 9 joined at their edges by a strip 12. The opposite edges of the portions 9 are formed with inwardly directed flanges which are so shaped that a rim 16 is formed around the top access opening for suspending a basket in the cabinet.
Patent GB-361115-A (GB)
Title: Improvements in boat raising and lowering gear
IPC: B63B23/04
Filed: 1930-11-20
Abstract: 361,115. Boat-lowering gear. SPANNER, E. F., 13, Shooters Hill Road, Blackheath, London. Nov. 20, 1930, No. 34937. [Class 115.] The outhaul wires d of sliding davits are connected to a winch barrel Q of smaller diameter than that for the falls, the two barrels being interconnected. When the davits are moved outboard the boat lowers slowly from the davit head. In a i modification the diameter of the outhaul barrel is arranged with a smaller diameter only when the davits are nearly outboard. In a further modification a similar result is achieved by passing the fall c over a pulley near the deck edge. Specifications 270,163, [Class 115, Ships &c., Rigging &c. for], and 359,222 are referred to.
Patent GB-1499855-A (GB)
Title: Rotary fluid-machine
IPC: F02B53/12
Filed: 1975-08-22
Abstract: 1499855 Rotary positive-displacement fluidmachines EMPRESA DE CONSTRUCCION INDUSTRIAL 22 Aug 1975 35036/75 Heading F1F An I.C. engine has identical lenticular main rotors 70, 70a, Figs. 23 to 25, fixed to a common output-shaft 65 and co-operating with lenticular abutment, or "valve", rotors 72a ... 72e, 86 which are driven in the same direction as the main rotors by the shaft 65 through an external geartrain (94), Figs. 21 and 26 (not shown), the rotor 70a drawing air for combustion through a port 98 and urging it through a passage 101 in a fixed partition, or "body", 99 whence it is compressed by the rotor 70 into a combustion chamber containing the rotor 86. Fuel injected into the aforementioned chamber through a nozzle 102 is ignited by a hot filament (103"), Figs. 19 and 20 (not shown), of an "ignitor" 103, axial coolant and lubricant passages 87a being provided in the rotor 86. After partial expansion while driving the rotor 70 the combustion products are transferred through a passage 100 in the body 99 to undergo further expansion while driving the rotor 70a. Air for cooling purposes is inducted through a port 107 and expelled through a port 107'. Electrically-operated valves 104 regulate the proportions of the air and combustion gases which are displaced by the rotors 72b, 72e so as to be recirculated by the respective main rotors 70, 70a. A fan 95 expels the exhaust gases through a pipe 97. The engine may have only a single main rotor co-operating with two diametrally disposed valve rotors, Figs. 42 and 43 (not shown), and in this form may be adapted to operate as a double-acting motor, Fig. 59 (not shown), or as a double-acting compressor or vacuum pump, Fig. 59a (not shown). In the said compressor or vacuum pump arcuate inlet ducts (74) are provided in the main rotor so as to produce a dynamic pumping effect in addition to the positive-displacement one. The machine may have a single main rotor co-operating with four symmetrically disposed valve rotors and be adapted to operate as a hot-gas engine, Fig. 46 (not shown). As shown in Fig. 61 the engine according to Figs. 23 to 25 may be air cooled and have an extra main rotor 71, the shaft 65 driving an airscrew 122. The rotor 71 is double acting, has an inlet opening 121 and arcuate inlet ducts 74 similar to those of the compressor or vacuum pump according to (Fig. 59a), and co-operates with a pair of valve rotors 72 to compress air, which is transferred to the rotor 70 through a pair of diametrally disposed passages 101 (only one shown). The rotor 70 further compresses the air into combustion chambers 62 and is driven by the combustion products, which are transferred through a pair of diametrally disposed passages 100a (only one shown) for additional expansion while driving the rotor 70a. The rotors 70, 70a are doubleacting. The apex edges of the rotors in each form of the machine may be helical instead of straight, Figs. 19a and 19b (not shown). The geometry of the rotor profiles are described with reference to Figs. 1 to 12 and Figs. 62 and 62a (not shown).
Patent GB-155262-A (GB)
Title: Improvements in machines for making blocks, tiles and the like from cementitious material
IPC: B28B7/18
Filed: 1920-12-13
Abstract: 155,262. Eberlingr, C. M. Oct. 27, 1919, [Convention date]. Addition to 5914/14. No Patent granted (Sealing fee not paid). Endless-chain machines; pressure-producing mechanism.-Comprises improved driving and operating means for the machine described in the parent Specification. A shaft 33, oscillated through a rod 46 and crank-pin 45, carries a lever 48 which, through an arm 49 and link 51, operates a head 14 carrying the perforating-plungers 15, and through an arm 50, links 53, 55, and lever 54 operates a head 8 carrying the dividing-knives 9 and cover 11. The pin 45 is mounted on a gear 34 carried by a main shaft 32 on which the lever 54 is pivoted. A pair of cams 71 on the shaft 32 operate respectively a lever 72 connected by a link 75 to a head 62 and a lever 80 connected by a rod 82, lever 83, and link 84 to a head 61, the heads 61, 62 carrying blocks 67 adapted to sustain the material laterally upon the pallet 19 during the operation of the devices 9, 15. The members 72, 75 and 83, 84 form toggles which are straightened by the action of the cams 71 and are subsequently flexed by spring-influenced rods 77, 87. A cam-drum 41 on the end of the shaft 32 operates through a lever 43 a pusher 20 for the pallets 29, which are thereby advanced along guides 5 beneath a hopper 21 fitted with a valve 22 coupled by a rod 25 to the head 14. The arrangement of the arms 49, 50 &c. is such that the head 8 is advanced earlier and withdrawn later than the head 14. Rollers 92 sustain the cover 11 against pressure. The machine is driven through a belt pulley 37, clutch 39, worm gear 38, and shaft 36 carrying a gear 35 meshing with the gear 34.
Patent GB-425888-A (GB)
Title: Water turbine plant with a horizontal or nearly horizontal turbine shaft
IPC: F03B13/10
Filed: 1934-12-06
Abstract: 425,888. Hydraulic turbine plant. ESCHER WYSS MASCHINENFABRIKEN AKT.-GES., Escher Wyss-Platz, Zurich, Switzerland. Dec. 6, 1934, No. 35073. Convention date, Dec. 27, 1933. [Class 110 (iii)] A water-tight chamber 6, which contains the transmission gear and driven machine, is supported upon oval struts 9, 10 in the inflow chamber 2, or suction pipe 3. A water-tight joint separates the hub of the turbine runner 1 from the chamber 6. Access to the chamber 6 is gained through the struts 10 which lead to two shafts 11, on either side of the chamber 6, and which provide a ventilating current of air through the chamber 6. The regulating devices for the turbine are also contained in chamber 6.
Patent GB-864338-A (GB)
Title: Improvements in or relating to electrostatic precipitator arrangements
Inventor: FURUKAWA TETSUYA
IPC: B03C3/66
Filed: 1959-10-16
Abstract: 864,338. Electrostatic precipitation. FUJI DENKI SEIZO KABUSHIKI KAISHA. Oct. 16, 1959, No. 35108/59. Class 39(1). [Also in Group XXXV] Dust is dislodged from the electrodes of an electrostatic precipitator electrically by the periodic discharge of a condenser connected in parallel with the precipitator. Mechanical wrapping may be used as well. Current is supplied to the precipitator 1 via transformer 3 and rectifiers 2. A saturable reactor 5 connected to an inductance L operates to suppress the spark discharge current arising from the discharge of the condenser 7. The reactor 5 has a control winding supplied with direct current via a rectifier 8. The value of the control current is varied by means of a variable resistor 9.
Patent GB-666852-A (GB)
Title: Suspension means for vehicles
IPC: B60G11/14
Filed: 1947-12-31
Abstract: 666,852. Spring suspensions. GREGOIRE, J. A. Dec. 31, 1947 [July 11, 1946], No. 35109/47. Class 108(ii). In a vehicle spring suspension of the type wherein the wheels are connected to the vehicle frame through a springily deformable parallelogram linkage having transverse arms and located in a plane transverse to the fore-and-aft direction of the vehicle the spring or springs operate in tension and are connected respectively to one of the transverse arms and, the vehicle frame. In the arrangement shown, a coil spring 7 operates in tension between a vehicle frame 1 and the upper of a pair of parallel arms 2, 3, which are pivoted at their ends to, respectively, the vehicle frame and a member 4 supporting a wheel axle.
Patent GB-1223071-A (GB)
Title: Improvements in extensible pipe joints
IPC: F16L27/12
Filed: 1969-07-11
Abstract: 1,223,071. Pipe joints. INTERFACE CORP. 11 July, 1969 [12 July, 1968], No. 35185/69. Heading F2G. The extension of a bell and spigot pipe joint is limited by radially disposed circularily spaced screw members 19 and a shoulder 18, the joint being sealed by a gasket 12. In one embodiment bell 11 is a cylindrical steel sheet joined to waterproof steel tube 26 of a reinforced concrete pipe section 24, which carries at the other end a spigot equivalent to 10. A resilient sealing ring 12 is placed in recess 13 and the bell pushed over the spigot, ends 22 of bolts 19 being flush with interior surface 14 of the bell and preferably ground smoothly to the same curvature. The bolts are then screwed in, so that extension of the joint is limited by contact with shoulder 18 of spigot ridge 16 to the distance shown by arrow S. Bell 11 may be reinforced by ring 20 where it carries the bolts.
Patent GB-447079-A (GB)
Title: Improvements relating to vehicle suspension devices
IPC: B60G11/16
Filed: 1934-12-07
Abstract: 447,079. Mounting vehicle springs. VAUXHALL MOTORS, Ltd., Luton, Bedfordshire. Dec. 7, 1934, No. 35192. Convention date, Jan. 15. [Class 108 (iii)] In an independent wheel suspension for motor &c. vehicles, particularly of the kind in which a helical spring contained in or housing acts upon a rocking lever carrying the wheel, the housing is formed of a pressed metal portion A consisting of two halves welded along a median line 8, together with a cast metal portion B, which is welded to the portion A along an edge 1 and supports the housing on the chassis. At one end the casting B is formed with an internally threaded annulus 2 adapted to receive a cover 4 for the housing, and at its other end with eyes 6 to receive the hinge-pins, while an additional eye 7 serves for connecting the steering-rod thereto. Bearing bushes 9 for the shaft of the lever are welded to the portion A and are reinforced by gussets 10 inserted to the rear thereof, while a pin 13 may also be welded to the portion A for attachment of a second wheel-carrying lever when such is employed.
Patent GB-430169-A (GB)
Title: Electron emitters and methods of manufacturing same
IPC: H01J9/04
Filed: 1933-12-14
Abstract: 430,169. Thermionic cathodes. STANDARD TELEPHONES & CABLES, Ltd., 63, Aldwych, London.-(Assignees of Wilson, J. R. ; 15, Lowell Avenue, Mountain Lakes, New Jersey, Acker, J. T.; 110, 213th Street, Queen's Village, New York, and Hartman, C. D. ; 69, Orville Street, Forest Hills, New York, both in U.S.A.) Dec. 14, 1933, No. 35202. Convention date, June 30. [Class 39 (i)] A coating-composition comprises barium and strontium carbonates, a compound of a metal or metals of the eighth group of the periodic system, and a fluid suspension medium. A binder may be added. The mixture is coated on the core, heated to evaporate the suspension medium, mounted in situ and heated to decompose the compounds to oxides. The oxide of the metal of the eighth group is reduced to the metal by a reducing gas, and a portion of the alkaline earth oxide to the metal by electron bombardment in carbon monoxide. Barium and strontium carbonates may be mixed with nickelous carbonate, together with nitrocellulose dissolved in amylacetate. Barium and strontium nitrates may be added to form a low temperature fusible bond. Instead of nickel, iron, cobalt, palladium, platinum or nickel - platinum may be used. The cathode may be activated by glowing it in a hydrocarbon vapour of the paraffin series such as methane, as described in Specification 430,170.
Patent GB-367456-A (GB)
Title: A shop fitting system permitting the transformation of a sales shop into a display hall
IPC: A47F11/00
Filed: 1930-11-22
Abstract: 367,456. Shops and exhibition halls. SOC. DES CHAUSSURES CECIL, 20, Rue de la Chapelle, and DENNERY, G. E. et J. 6, Rue Moreau, both in Paris. Nov. 22, 1930, No. 35265. Convention date, Oct. 7. [Classes 20 (i) and 20 (iii).] The show windows 6, 7 of a shop front are removable so that the shop may be opened to free access of visitors. The show windows have rollers and are fixed in the selected positions by bolts engaging holes 17a in the floor. The walls of the shop are provided with shelves 23, show cases 24, and shutters 25 for the shelves. The remaining furniture of the shop may comprise seats 26, cashier's desk 27, and a small table 28. The entrance comprises glazed doors 9, 10 and glazed sides 12, 13, and a revolving door. When in position in the shop front, the windows 6, 7 engage elastic packing 21 on the uprights 22 of the building. When opened, the furniture is removed from the shop through doors 4, 5 into adjacent rooms. The show windows may be removed by vertical displacement on lifts, the tops of which constitute the floor when lowered into a basement.
Patent GB-961386-A (GB)
Title: Improvements in and relating to apparatus for group training
IPC: G09B19/00
Filed: 1962-09-17
Abstract: 961,386. Testing mental aptitudes. INSTITUT DES SCIENCES ET TECHNIQUES HUMAINES. Sept. 17, 1962 [Sept. 16, 1961], No. 35310/62. Heading A5K. A device for assisting in the assessment of mental qualities comprises a number of separated compartments, each to be occupied by one person, and means for providing communication between each compartment and selected other compartments according to a pattern predetermined by the person conducting the test. A table 1 around which the participants sit, may be divided by vertical panels 3 and covers 18 into separate compartments. Following a problem set by the leader, or some other instruction, the participants may communicate by means of written notes which may be passed through apertures 6 to the adjacent persons or they may be put in apertures 8 which communicate through interchangeable tubes with selected other participants who receive them through an appropriate outlet 9. An indicator lamp, not visible to the participants, may be associated with each compartment and lit by pressing a switch 16.