baber/WOPTO huggingface dataset:
Patent GB-226887-A (GB)
Title: Improvements in and relating to systems of electric motor control
IPC: B60L15/00
Filed: 1923-10-03
Abstract: 226,887. British Thomson-Houston Co., Ltd., and Hastings, H. C. Oct. 3, 1923. Controllers, actuating; master control systems. -In an electric motor control system of the kind described in Specification 204,105, a master controller M controls a pilot motor N, which operates a drum or cam-shaft controller for the main motors, and the field of which is weakened when it is returning the main controller to its " off " position so as to have a higher speed of movement than when it is moving the main controller to the " full on " position. Associated with the main controller is a drum having contact segments G, K, Y, for controlling auxiliary apparatus. The potential relay P can only close when the main controller is " off " and segment Y engages contacts P<1>, P<2>, the closing current passing through a resistance 80, once closed it will hold on with the current that can pass through both the resistances 80, 81. Movement of a switch 58 to the right sets an overload relay O, and movement to the left energizes the controller M. Movement of the controller M to position 1 energizes either coil 4 or 5 of a reverser according to the position of a master reverser A, line-brealer coils 62, 63 then become energized closing the main motor circuit in its first series position, and also moving associated bridge contacts Z &c. away from the position shown in the Figure, thereby completing the circuit of the pilot motor N which is prevented from running for its armature is shorted by a relay 69 spring biased to the closed position. Movement of controller M to position 2 causes energization of coil S of relay 69 thereby removing the short from the pilot motor N so that it operates the main motor controller. Energization of coil S is dependent upon an accelerator relay C of the type described in Specification 144,612. Segments G maintain the energization of the coil S between successive steps of the main controller so as to ensure that the motor N does not stop between steps, de-energization of relay S causes the motor N to be braked for its armature is shorted while its series field is maintained. The main controller advances to the full series position and remains there till controller M is advanced to position 3 whereupon it moves step by step to the full parallel position. In this position segment K runs off contact 12 interrupting circuit of motor N, which is now stopped by spring actuated brake L. Movement of the controller M to the " off " position or operation of either relay 0, P causes de-energization of coils 62, 63 and consequent return of the contacts Z &c. to the position shown, thereby reversing the circuit of the pilot motor N and shorting part of its field by contact Z bridging fixed contacts 76, 77. the motor N thus returning the main controller to its off position at high speed. The main controller effects the usual series-parallel connections. An advancer B is provided to eause advance of the main controller irrespective of the accelerator relay C.
Patent GB-652821-A (GB)
Title: Improvements in brakes
IPC: F16D65/847
Filed: 1948-09-22
Abstract: 652,821. Disc brakes. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. Sept. 22, 1948, No. 24753. [Class 103 (i)] A brake, particularly for aircraft, is provided with discs having discontinuous radiallyextending surfaces adapted to allow the passage of air substantially radially therethrough in combination with loose friction facings adapted to rotate therewith. As shown in Fig. 2 and section AA of Fig. 1, the disc 1 has a conical-shaped hollow recess 3 therein through the walls of which extend inclined holes 4 by which, during rotation, air is caused to flow out over the friction facings 6. As shown in Fig. 3 and section BB of Fig. 1, the air passages are formed by radially extending inclined grooves 12 alternately disposed on each side of the disc. In Fig. 4 and section CC of Fig. 1 the grooves 13 are not inclined and the disc has therefore a central web of uniform thickness. Various types of the loose friction facing 6 are also described. Specification 650,525 is referred to.
Patent GB-855125-A (GB)
Title: Improvements in document feeding, sorting and stacking device
IPC: B07C3/06
Filed: 1957-08-06
Abstract: 855,125. Statistical apparatus. PITNEYBOWES Inc. Aug. 6, 1957 [Aug. 6, 1956], No. 24763/57. Class 106 (1). [Also in Group XVI] In apparatus for sorting cheques, record cards &c. into groups according to data indicated thereon, the cheques &c. C are separated sequentially from a stack and fed to a reading station 24 where the data on each cheque is read to develop a signal which is stored temporarily and then transferred to one of a number of stacker control devices 26. A further signal is effected when the leading end of each cheque passes a registration zone 100, which signal co-operates with electronically controlled apparatus to determined which stacking device 26 is to receive the cheque. The mixed cheques C are separated from a stack by a friction roller and opposed feed belts 41, 56 (see Group XVI, and forwarded to a feed disc 74 co-operating with spring-urged rollers 87. The sheets are retarded and timed by arms 76 on a shaft 57 which rotates slower than the disc 74, and are then fed to the station 24 by a belt 92 and roller 93. In the selected stacker 26, the relayed signal causes a cam to open a gate 101 in the path of the moving cheque.
Patent GB-1506295-A (GB)
Title: Method of and apparatus for aiding hearing
IPC: H04R25/00
Filed: 1975-06-10
Abstract: 1506295 Deaf aid K D KRYTER 10 June 1975 [12 June 1974] 24821/75 Heading H4J In a deaf aid, speech signals generated by microphones are gain controlled and applied to a plurality of paths each including a filter, one passing a broad band and the others passing respective contiguous sub bands within the broad band and including speech-noise discriminating arrangements wherein the dynamic range of signals that vary in intensity only for brief moments is compressed. The outputs of the paths which may be independently adjusted are combined for respective application to right and left headphones. The arrangement may include a frequency shifting arrangement in the output from the AGC to reduce acoustic reaction. In the speech-noise discriminator Fig. 2 incoming speech below a predetermined level is amplified by the addition of a signal from the path comprising amplifier B and gates 1 and 2 but if the level remains low for more than a predetermined time gate 2 closes to block the additional signal.
Patent GB-556930-A (GB)
Title: Improvements in ultra-high-frequency valve oscillation generators
IPC: H03B5/10
Filed: 1939-08-30
Abstract: 556,930. Valve generating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BELL, D. A. Aug. 30, 1939, No. 24904. [Class 40 (v)] A short-wave reaction oscillator has its tuned anode circuit back-coupled to the control grid in such a manner that the phase of the grid voltage is advanced by an amount necessary to bring the anode current into phase opposition with the anode voltage. By this means the phase lag of the anode current, due to the transit time of the electrons, is compensated. In Fig. 1, the backcoupling is effected by an adjustable tapping on the tuned anode circuit AC connected to the grid g through a transmission line or concentric cable L of a length somewhat less than a wavelength. In Fig. 2, the anode circuit tapping is connected through a condenser C to the grid end of a tuned grid circuit PC. This circuit is damped by grid current, and forms a resistance in series with the capacity C, thus giving the necessary phase advance to the grid voltage.
Patent GB-1260556-A (GB)
Title: Improvements in or relating to the manufacture of perborates
IPC: C01B15/12
Filed: 1969-05-15
Abstract: 1,260,556. Production of granules by atomisation. L'AIR LIQUIDE SOC. ANON. POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE. 15 May, 1969 [16 May, 1968], No. 24921/69. Heading B1X. [Also in Division C1] Apparatus suitable for atomising chemical solutions to produce dry granules of solute, comprises a receptacle for containing the solution and means for feeding the solution, preferably by gravity, at an adjustable rate of supply to a pulverizing turbine disposed in the uppermost portion of a chamber. (No figures).
Patent GB-1245034-A (GB)
Title: Improvements in or relating to closures for liquid containers
IPC: B65D49/04
Filed: 1969-05-15
Abstract: 1,245,034. Non-refillable bottles. METAL CLOSURES Ltd. 15 May, 1969 [29 May, 1968], No. 24933/69. Heading B8D. A bottle closure adapted to prevent re-filling but allow pouring comprises a first plastics member 3 fixed in the bottle neck and having a hollow stem 6 terminating in an inlet aperture 10, a free valve member 5 adapted to seat over the aperture against the bias of resilient ribs 11 located in the aperture, and a second plastics stopper member 4 screw-threaded in the stem for limited axial movement between open and closed positions and consisting of a stem 13, a head 12 and integral sleeve 15 defining through flow passages 18 and outlet aperture 19 therebetween. When the second stopper member 4 is screwed into the closed position, the head 12 co-operates with the first member to seal the outlet aperture 19 and the stem presses the valve member against the bias of ribs 11 to seal the inlet aperture 10. When the second stopper member is screwed out to the open position to permit pouring of the bottle contents, refilling is prevented by the valve member tending to reseat on the inlet aperture. The resilient ribs 11 extend radially across and slightly axially of the inlet aperture 10 so that on opening the stopper member, the resiliency of the ribs pushes the valve member slightly off its seat to avoid the possibility of sugar deposits or reduced bottle pressure retaining the valve member closed. In a modification, Fig. 3 (not shown), the valve member is pear-shaped and has a stem. The hollow stem 3 is provided with ribs 8 which are deformed on insertion of the closure in the bottle neck. The closure is initially sealed by capsule 9, Fig. 1 (not shown), having upper and lower portions which are joined by rupturable bridge parts 20.
Patent GB-937073-A (GB)
Title: Improvements in and relating to dish-washing machines
IPC: A47L15/23
Filed: 1960-07-18
Abstract: 937,073. Dishwashing machines. J. E. M. BELLEC. July 18, 1960 [July 16, 1959; Nov. 9, 1959; July 11, 1960], No. 25019/60.- Class 138 (1). A dishwashing machine comprises a reaction type rotary spray assembly 4 having nozzles 28 to 30, and 281 to 30<SP>1</SP> (not shown) each movable in a circular path and arranged to direct a jet of washing liquid upwardly in general direction inclined inwardly of the tank, and towards plates 5 or dishes supported in a basket 6 so that each plate or dish receives a succession of inwardly directed washing jets. Helical vanes 32 are provided in the hub 23 of the rotary assembly to swirl the water to assist the rotation of the assembly.
Patent GB-971925-A (GB)
Title: Improvements in or relating to hydraulic drawing processes
IPC: B21D22/20
Filed: 1962-06-29
Abstract: 971,925. Cupping; making boiler ends, vehicle wings, smoothing irons and reflectors. SIEMENS-ELECTROGERATE A.G. June 29, 1962 [July 7, 1961; May 23, 1962], No. 25116/62. Headings B3A and B3Q. [Also in Division B5] An hydraulic deep-drawing process is characterized in that the pressure liquid acts as the lower die and shapes the drawn material over the drawing ram. Apparatus comprises a die ring 1 having a pressure container 2, a pressure valve 4, a pump 13 for pumping the liquid back to a container 5, a non-return valve 6 and a shaped ram 7 and blank holder 8. A sealing element 3 of e.g. leather, copper or rubber is inserted in a groove 10 of the die 1 and a number of ducts 11 connect the groove with the container 2. A blank 9 is clamped on the element 3 by the holder 8 and a programme control mechanism 12 operated to regulate the pressure in the container by admitting compressed air via an inlet 15 to one or more compensating cylinders 14. The ram 7 is lowered into contact with the blank which is deformed about the ram, the amount of deformation being controlled by the pressure in the container 2. In one embodiment a blank is drawn over a die ring 17 by a modified holder 18 to form a part 16 and is then subjected to a reverse drawing process, Fig. 6. Alternatively, a pre-pressed blank is used. In a further embodiment the container has inlet and outlet valves 31, 32 of the drawing edge of the die 1 and the lower edge 34 of the holder 8 have complementary curvatures. In operation the blank 9 is secured in position by pins 23, the holder 8 lowered to clamp the blank and form a flange therein, the container completely filled with fluid by raising a piston 27, air released via an electromagnetically-operated valve 25 and the ram 7 lowered to complete the drawing. The pressure in the container 2 is controlled by rods, chain drives, racks, lift-type valves, slide valves, or pistons (not shown). Materials such as steel, copper, brass or synthetic plastics are used. The fluid used may be water and may be used to heat the material either by heating the pressure liquid or introducing it in a hot state into the container. Articles such as boiler ends, searchlight reflectors, covers for smoothing irons and motor vehicle wings are produced by the process.
Patent GB-251734-A (GB)
Abstract: 251,734. Cloud, E. A., and New Power Saver Co., Ltd. March 16, 1925. Handles with clamping and recessed-back retaining devices for brushes and the like; fixing by dovetail and grooved members. - A tool for spreading an anti-slip composition on a belt-pulley comprises a stock 5 to the end of which is secured a strip 2 of compounded rubber &c., by means of a ferrule which completely surrounds the stock. The strip may be held in a recess at the end of the stock by pins 8, or the ferrule may be extended beyond the end of the stock to constitute a pair of parallel plates which may be grooved to accommodate ribs 11 or grooves formed in tha end of the strip, the latter being .slid into position sideways. Screws which pass through the strip and clamp the projecting ends of the ferrule thereon may be employed. Specification 209,189 is referred to.
Patent GB-1183113-A (GB)
Title: Phenyl Isothiocyanate Derivatives and Insecticidal Compositions Containing Them
Inventor: BROWN JOSEPH PATRICK
IPC: C07C331/28
Filed: 1967-06-01
Abstract: 1,183,113. Insecticides containing phenyl isothiocyanates. MONSANTO CHEMICALS Ltd. 15 May, 1968 [1 June, 1967], No. 25285/67. Heading A5E. [Also in Division C2] Insecticidal compositions comprise as active ingredient phenyl isothiocyanate derivatives of the general formula: in which X is a halogen atom, e.g. chlorine or bromine and R is a hydrocarbyl radical containing at least 2 carbon atoms, e.g. an alkyl group having from 2 to 6 carbon atoms, each of n and m is an integer of at least 1 and the sum of n and m is from 2 to 5, in admixture with a diluent or carrier. The compositions may be in solid or liquid, e.g. solution, dispersion or emulsion or aerosol form. Specified active ingredient 3-chloro-4-ethoxyphenyl isothiocyanate.
Patent GB-488458-A (GB)
Title: Improvements relating to teapots, coffee pots, hot water jugs and similar vessels
IPC: A47G19/14
Filed: 1937-09-18
Abstract: 488,458. Teapots; hot - water jugs. BLOOMER, F. C. M. Sept. 18, 1937, No. 25343. [Class 129] [Also in Group XIV] A hot-water jug, teapot, or the like 5 of ceramic material with an integral spout 5a and handle 5d is enclosed by a two-part removable casing shaped to the form of the teapot or the like but spaced therefrom to form an air jacket ; one part 6 of the casing encloses the lower portion of the teapot and is slotted at 6a, 6b to receive the spout and handle while the other part 9 of the casing encloses the upper portion of the teapot and engages over the rim of the lower casing part. The lower casing part is fitted with ball feet 8 of synthetic resin. The upper casing part 9 is fixed by screws 12 passing through apertures 9c into base pieces 12a on the lower casing part 6. The teapot rests on a felt pad 7 at the bottom of the lower casing and is positioned by the casing parts engaging ribs at the base and at the lid aperture of the teapot. The teapot lid 11 is of metal but with a knob 11a of synthetic resin. The spout has an internal groove 5b ending in a hole 5c at the lip of the spout.
Patent GB-860658-A (GB)
Title: Plastic tile mosaics and methods of production thereof
IPC: E04F13/08
Filed: 1959-07-23
Abstract: 860,658. Laminates. MACCAFERRI, M. July 23, 1959, No. 25388/59. Class 140. Tiles T of thermoplastic material assembled into a panel are secured together by an underlayer B, preferably of open textile or paper fabric spot-bonded to the tiles by heat and pressure. As shown, the tiles are assembled in a partitioned tray 100 and the bonding is effected by plungers 200 mounted on a heated plate 203 in an hydraulic press and operating through apertures in a release plate 205 pressed by springs 206 on the plungers. The bonded areas may be annular and applied at adjacent corners or adjacent sides of rectangular tiles, or circular or of other shape and applied to each tile individually. The plunger beads are correspondingly shaped. The tiles may be of polystyrene, polyvinyl acetate, polymethyl methacrylate, nylon, polythene, or cellulose acetate butyrate, and may be of diamond or other shape instead of rectangular and/or of various colours and arranged in a pattern. The panels may be made in long lengths.
Patent GB-1459915-A (GB)
Title: High strength stainless steel
Inventor: BACKMAN L E A
IPC: C22C38/44
Filed: 1974-06-07
Abstract: 1459915 Altering physical or molecular Structure SANDVIK AB 7 June 1974 [8 June 1973] 25488/74 Heading B3V [Also in Division C7] A high strength stainless chromium-nickel steel containing 0À01-0À20 C, 13-20 Cr, 3-10 Ni, 0-2À5 Al, 0-10 Mn, 0-2À5 Mo, 0-5 Si the balance being iron and compatible impurities is heat treated at 950-1100 C. to stabilize the austenite. After rapid quenching, the steel, in wire or strip form is cold reduced 40-90% (preferably 60-85%) to transform the majority of the austenite to mortensite, and tempered at 200-550 C. (preferably 250-450 C.) prior to further cold working 5-40% (preferably 10-30%) and further tempering at 300-550 C. (preferably 350-500 C.). The resulting material has improved tensile strength and durability and better elevated temperature properties than similar materials strengthened by cold working alone after quenching from the austenizing heat treatment temperature. The materials are said to be suitable for spring applications.
Patent GB-748872-A (GB)
Title: Curing elestomeric diisocyanate-modified polyesters or polyesteramides
IPC: C08G18/65
Filed: 1952-10-13
Abstract: A method of reducing the amount of polyisocyanate required to effect a cure of an elastomeric diisocyanate-modified linear polyester or polyesteramide according to the parent Specification is modified in that the cure is conducted in the presence of white factice or a mixture of white factice and magnesium oxide instead of magnesium oxide alone.  White factice is the reaction product of sulphur chloride and vegetable or fish oils.  The uncured elastomers used are those of Specifications 694,978, 694,982, 696,449 and 696,450.  In an example, a mixture of (a) a poly-ethylene-1,2-propylene adipate modified by 2,4-toluylene diisocyanate; (b) 1.5-naphthalene diisocyanate; and (c) either white factice or a mixture thereof with magnesium oxide, was milled together and sheets were press cured for 15 minutes at 280 DEG  F.  Reference has been directed by the Comptroller to Specifications 716,071 and 716,135.
Patent GB-1437201-A (GB)
Title: Cleaning machine for cleaning drinking glasses
IPC: A47L15/00
Filed: 1973-05-29
Abstract: 1437201 Cleaning drinking glasses E DECKER [trading as DECKER ELEKTROMASCHINENBAU] 29 May 1973 [30 June 1972] 25580/73 Heading B8T A machine for cleaning drinking glasses comprises an electric motor 7, an internal brush 4, drive gear 10, 11, coupling the brush 4 with the motor 7, a water supply line 18, and a single switch element 19 for simultaneously switching the motor 7 on or off and opening or blocking the water supply line 18. In the embodiment shown, the switch element is a water tap 19 which in addition to controlling the water flow to a rinsing head 3, controls the electrical power to the motor 7 by means of a pressure switch 9. The motor is contained in a sealed housing 6, located in a machine housing 7 and having a push-in connection to a branch 16 of the supply line 18. As an alternative (not shown) the single switch element may be an electrical switch controlling the motor and also an electromagnetic valve in the supply line.
Patent GB-424218-A (GB)
Title: Improvements relating to brackets for use in conjunction with curtain suspension devices
IPC: A47H2/00
Filed: 1933-09-16
Abstract: 424,218. Curtain rail brackets. CLAY, A., and WICKER, J. C., 21, St. Paul's Square, Birmingham. Sept. 16, 1933, No. 25655. [Class 52 (v)] A dust - shield 9 is supported in front of a curtain rail 7 by a projecting arm 4<a> carrying a lever 11 pivoted at 10 and adapted to grip the projection 9<a> at the rear of the dust shield between it and the end of the arm 4<a>, the lever being turned and maintained in the gripping position by separate actuating means such as a second lever 12 pivoted on the arm 4<a> and having a cam 12<a> acting on the rear end of the lever 11. The arm 4<a> is provided with a part 4<c> of right-angled shape to fit over and be secured to the box end of the curtain rail bracket 6. A depending vertical part 4<d> at the front of the arm abuts the rear face of the dust shield 9. The lever 11 and the end of the arm are cut away to accommodate the projection 9<a> and the pivot pin 10 is mounted in upstanding flanges 4b on the arm one of which has a slot 4f through which passes the lever 12 provided with an actuating portion 12b.
Patent GB-215308-A (GB)
Title: Tungsten arc lamps
IPC: H01J61/04
Filed: 1923-10-15
Abstract: 215,308. General Electric Co., Ltd., (Assignees of Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen). May 4, 1923, [Convention date]. Arc lamps; electrodes. - An enclosed lamp with tungsten electrodes is provided with a screen f of glass, mica, metal or other material having an aperture h on a level with the electrodes. The screen may extend around the electrodes completely or only on the side from which light is to be emitted. Disintegrated matter is deposited on the inside of the screen. The screen may be secured to the bulb by arms l at the top, as shown, or at the bottom or may be secured to the stem by wires. The screen is preferably closed at the bare k so as to produce an inward current through the aperture h. In a modification, closure is produced by fusing the lower edge of the screen to the bulb a; when the bulb is cylindrical the screen may be flared for this purpose. The electrodes maybe arranged eccentrically of the screen and nearthe aperture h to enable a larger projecting lens. to be used with the lamp.
Patent GB-917077-A (GB)
Title: Improvements relating to buckles
Inventor: WALKER THOMAS
IPC: A44B11/24
Filed: 1960-07-25
Abstract: 917,077. Buckles. WALKER Ltd., THOMAS. May 11, 1961 [July 25, 1960], No. 25740/60. Class 43. A buckle comprises a sheet-metal frame pivotally mounting a prong 4 on a bar 3, the point of the prong rests in a slot 7 in an end bar 2<1> formed by folding under an end strip of sheetmetal. The central bar also mounts a pivoting- plate 5 with holes for riveting the buckle to a shoe or the like. The end bar 2 has a roller sleeve or comprises a strip bent upon itself. The buckle may be punched from sheet-metal.