baber/WOPTO huggingface dataset:
Patent GB-296545-A (GB)
Title: Improvements in or relating to windows
IPC: E06B3/48
Filed: 1927-08-23
Abstract: 296,545. Hardy, H. Aug. 23, 1927, Windows.-Window sashes of the kind in which the meeting rails of the upper and lower sashes are hinged together are pivoted to slides 6 controlled by cords and weights and are adapted to open from the sill or lintel to permit of cleaning the outside of the panes. The slides may consist of brass channels, the top slides being grooved for the passage of cords to the lower ones or may consist of wooden uprights connected to a cross-bar. The sashes are opened by pushing or by handles on the cross-bars of the slides. The sashes may be held open by a cord and hook and eye connecting them. Bolt fastenings may be provided for the closed positions. A hinged ventilating sash 18 is provided in the upper sash and its stay 19 is connected to a socket 21 sliding on a bar 22 secured to the top rail and transome 23. The socket 21 may be actuated by a cord passing over the pulley 28. A wing-bolt 24 can be used to hold the stay in any position and a sliding hook 25 is adapted to hold it in the closed position. A second hinged sash 26 may be mounted on either sash and this may be attached to or act instead of the slide. A spring-pressed weather board or inverted gutter may be mounted on the bottom sash and adapted to engage the rabbet of the sill. When copper suspending cords are used, the counterweights have two communicating bores through which the cord is looped and joined. A detachable sunblind may be carried by the upper sash.
Patent GB-759898-A (GB)
Title: Improvements in the low temperature separation of air
IPC: F25J3/04
Filed: 1953-04-07
Abstract: 759,898. Low temperature separation of air. AIR REDUCTION CO., Inc. April 7, 1953 [Dec. 19, 1952], No. 22196/55. Divided out of 759,853. Drawings to Specification. Class 8(2). The subject-matter of this Specification is identical with that described in Specification 759,853 but the claims differ.
Patent GB-962497-A (GB)
Title: Method and apparatus for producing thin sheets of filter material
IPC: D21H27/08
Filed: 1962-06-08
Abstract: 962,497. Producing thin filter paper. L. V. GEWISS. June 8, 1962 [June 12, 1961], No. 22292/62. Headings D1L and D2B. Thin sheets of fibrous filter material are produced by impregnating sheets of normal thickness with a solution of a suitable synthetic resin, heating the sheet to cause the solvent to evaporate and to cause the resin to migrate to and become concentrated at the faces of the sheet where it acts to bind the fibres together at their points of contact and subsequently splitting the sheet along its thickness to provide two sheets each of half the original thickness. Filter material of normal thickness is unwound from a roll 2 and is fed by means of rollers 3, 4 and 6, 7 through an impregnation vessel 5 containing a solution of e. g. ureaformaldehyde in alcohol. The sheet is dried in a drying oven 9 comprising a series of vertical compartments 9a....... 9f through which the filter sheet passes in zig-zag fashion being guided by rollers 10a..... 10h, emerging finally in vertically downward movement from a horizontal compartment 9g. Hot air is circulated through the oven in the reverse direction by a fan 15. From the oven 9 the sheet is led between opposed rollers 11, 12 and is split upon emerging from the rollers and is would at constant linear velocity on to drums 13, 14. Initial splitting of the impregnated dried sheet is effected by hand. The splitting operation leaves one side of each filter sheet particularly hairy but this surface may be smoothed by a grinding operation (Fig. 2 not shown).
Patent GB-758411-A (GB)
Title: Improvements in or relating to a constant speed drive more particularly for use in recording apparatus in aircraft
IPC: B64D45/00
Filed: 1954-07-30
Abstract: 758,411. Electric indicating systems. RYAN, J. J. July 30, 1954 [July 31, 1953; July 31, 1953, Aug. 4, 1953], No. 22296/54. Class 40(1) [Also in Groups XIX and XXVI] An electric system for transmitting a reading from a gravitational acceleration sensing device disposed at the centre of gravity of an aircraft to recording apparatus disposed in the tail [Group XIX] comprises an inertia mass 162, Fig. 3, carrying the slides 174 of a resistor 176 providing two of the arms of a self-balancing bridge. The other two arms are provided by a resistor 214 witha slider 210 linked to a recording pen 206
Patent GB-170138-A (GB)
Title: Improvements in luminous signalling devices and the like
IPC: G08B5/40
Filed: 1920-07-27
Abstract: 170,138. Smith, A. K. T., and Davis, A. L. July 27, 1920. Flash signals; intermittent signals.-A flame-colouring agent for illuminating or signalling purposes is carried into the flame on a travelling mechanical carrier which passes through an agent-container. The carrier may be an endless chain, or band. As shown in Fig. 3, it may tahe the form of a disc 28, which, if made with an interrupted periphery, Fig. 4, produces intermittent coloured flashes if the original flame is colourless. If the flame is too hot for the carrier, the colour may be introduced into it, by way of a lower temperature flame 35. Fig. 5, impinging upon it. The carrier may dip into a solution of the agent, or may be formed with scoops or pockets for the supply of a solid agent. Overheating and consequent fusion of the travelling-band may be prevented by coupling the motor control to the fuel supply control so as to prevent heating of the band while it is stationary, and by the provision of means for automatically swing- ing the band out of the flame in the event of stoppage of the motor.
Patent GB-461191-A (GB)
Title: Rotary conveyors for bottle filling machines
IPC: B67C3/24
Filed: 1935-08-08
Abstract: 461,191. Rotary conveyers. CHERRYBURRELL CORPORATION. Aug. 8, 1935, No. 22436. Convention date, Feb. 23. [Class 78 (i)] [Also in Groups XVII and XXII] A rotary conveyer for bottlefilling machines is provided with a plurality of guides for a plurality of bottle supports, each of which is raised vertically with respect to its guide by the co-operation of the support, in the movement of the conveyer, with an adjustable cam, each support being provided with a self-engaging clutch effective releasably to maintain it in the position to which it is raised as determined by the adjusted position of the cam. Empty bottles are transferred by a star-wheel 27 from a conveyer 26 flush with a table 25, Fig. 2, to supports 92 on a rotary turntable 17, Fig. 1, carrying the bottle filling mechanism. Filled bottles are transferred by a star-wheel 29 from the turntable 17 to a capper turntable 19 from which the filled and sealed bottles are moved by a star-wheel 28 on to the conveyer 26. Each bottle support 92, Fig. 3, comprises a tube 91 slidable on a post 90 fixed to the turntable 17, the tube having a roller 99 to engage an adjustable cam 100 during the rotation of the table. This raises the support 92 to carry the bottle into engagement with a filling apparatus, the support being held raised by a friction clutch roller 94 located in an inclined notch 93 in the post 90. When the filled bottle reaches the transfer wheel 29, a spring-pressed rod 95 engages a cam which moves it up to release the roller 94, the support 92 being lowered to its initial level by the roller 99 coacting with a lowering cam 106 on to which it falls by gravity. A complementary cam engaging above the rollers 99 is provided in case the supports stick at the lowering position. The turntables 17, 19 and the transfer wheels 27, 29 are driven by a single endless chain 70 passing round a driving sprocket on the vertical shaft 62 of the star-wheel 28. The shaft 62 is driven by worm gear 60 from a main drive shaft 47. The transfer wheels 27, 29 and the cams 100, 106 are interchangeable so that the apparatus may be adjusted for bottles of different sizes. The Specification as open to inspection under Sect. 91. comprises also the employment of the adjustable supports in a box wrapping machine to lift the box to the wrapping mechanism and in any automatic machine tool to lift the work to-and-from the tool. They may also be employed on any type of con veyer. This subject-matter does not appear in the Specification as accepted.
Patent GB-1463085-A (GB)
Title: Motor speed control circuit
IPC: H02P5/48
Filed: 1974-05-20
Abstract: 1463085 Automatic control of loop size POLAROID CORP 20 May 1974 [28 June 1973] 22445/74 Heading G3R [Also in Division H2] Speed control of a split-phase or shaded pole induction motor 80-82 is effected by providing a rectifier 88 between the A.C. input 85, 86 and the motor coils 81, 82 and an s.c.r. 89 in inverse parallel relationship therewith, triggering of the s.c.r. in appropriate (negative) half cycles of the source being effected by a means responsive to the A.C. voltage and comprising a potential divider 92, 91 connected across the A.C. input terminals 85, 86, and a diac 90 connected to the point between the two resistances. The motor has a further winding coupled with the stator core to act as a transformer to supply further loads. Control of the speed of the motor is obtained by causing a D.C. braking component to pass through the motor produced by retarding the firing angle of thyristor 90, this angle being controlled by variable resistance 91. The diac may be replaced by a S.U.S. and the resistance 92 by a capacitor. In a preferred embodiment, Fig. 1 the motor is used to move a photographic film and the variable resistor 64 is a photo-electric component arranged to detect the length of a loop of film 18 between a sound reproducing head and the optical gate, and to modify the motor speed to keep this length constant.
Patent GB-614772-A (GB)
Title: The manufacture of esters of pyridyl-3-carbinol
Filed: 1946-07-27
Abstract: Esters are formed by reacting pyridyl-3-methyl alcohol with free aliphatic, araliphatic or heterocyclic organic carboxylic acids, their anhydrides or halides, or by reacting a metal derivative of pyridyl-3-methyl alcohol with a halide of the organic carboxylic acid, or by reacting pyridyl-3-methyl halide with a salt of the organic carboxylic acid.  In examples (1) to (9), the preparation of 3-formyloxymethyland 3-acetoxymethyl-pyridine and the b -picolyl ester of propionic, butyric, phenylacetic, diphenylacetic, cinnamic and nicotinic acids and pyridyl-3-carbinol acetate is described. Pyridyl-3-methyl alcohol is prepared by the action of a nitrite upon 3-aminomethyl-pyridine at a low temperature in the presence of an aliphatic carboxylic acid.
Patent GB-918055-A (GB)
Title: Process for the preparation of 3-(2-ethyl-2-nitrovinyl) indole
IPC: C07D209/10
Filed: 1961-06-21
Abstract: 3-(2-Ethyl-2-nitrovinyl)-indole is prepared by condensing indole-3-carboxaldehyde and 1-nitropropane in the presence of ammonium acetate at a temperature between 70 DEG C. and the boiling point of the reaction mixture, the water produced in the condensation being removed from the reaction mixture by entrainment in a continuous stream of an inert gas. Specification 807,876 is referred to.
Patent GB-761530-A (GB)
Title: Improvements in the joining together of lengths of textile fabric for treatment on machines
Inventor: SELLERS ERIC ROBERT
IPC: D06C29/00
Filed: 1953-04-13
Abstract: 761,530. Sewing. SELLERS & CO. (HUDDERSFIELD), Ltd. July 13, 1954 [April 13, 1953], No. 22496/55. Divided out of 761,437 [Group VIII]. Drawings to Specification. Class 112. In order to allow the detection by photoelectric means of the joint between successive lengths of textile fabric undergoing treatment such as shearing, they are connected by a butt seam in such a way as to leave a gap between adjacent edges, preferably of about # inch. Specification 761,436 [Group VIII] is referred to.
Patent GB-811802-A (GB)
Title: Improvements in or relating to reeds for weaving-looms
IPC: D03D49/62
Filed: 1956-07-20
Abstract: 811,802. Reeds for looms. WAGNER, C. July 20, 1956, No. 22498/56. Class 142(2) A reed comprises dents 1 spaced by wire 4 bound round rods 5, the rods and wire being enclosed by baulks 2. The spaces between the ends of the dents and between the ends of the baulks are filled with solder 3. The diameter of the wire 4 depends upon the mesh of the wire fabric that is being woven.
Patent GB-316551-A (GB)
Title: Improvements in and relating to counting apparatus
IPC: G06M1/34
Filed: 1929-07-23
Abstract: 316,551. Stoecklin, C. July 30, 1928, [Convention date]. Transfer mechanism. - The co-axial numeral drums of a counter are urged into contact with cams on the shaft by spring means and transfer is effected by a pawl carried by the lower drum and co-operating with one of the cams and with internal ratchet teeth cut in the next higher wheel. Fig. 2 shows one arrangement, 8 being the pawls mounted on the actuating disc and on the drums, 12 the cams, 2 the teeth and 15 spiral springs. Fig. 3 shows another form, the pawl 17 bearing with one nose 24 on the cam 22 and co-operating by means of the other nose 23 with the teeth 16. The springs in this case consist of convex steel plates. The Specification as open to inspection under Sect. 91 (3) (a) also contained the following :- Zeroizing-mechanism. - The numeral drums, pressed against the cams by means of the spiral or plate springs, turn by friction when the spindle is rotated , until they are stopped at zero by means of pins 29 and blades 30. The spindle may be rotated by means of a knob 31 spring- pressed to lock in the zero position over a fixed pin 33. Correct rotation may be ensured by a notched disc and pawl. This subject-matter does not appear in the Specification as accepted.
Patent GB-251507-A (GB)
Title: Improvements in or relating to balls
IPC: A63B41/08
Filed: 1925-09-10
Abstract: 251,507. Spalding & Bros., Ltd., A. G., (MacDonald, W. W.). Sept. 10, 1925. Balls.-Relates to footballs basket-balls &c. of the type comprising an outer cover and an inner bladder provided with an inflating tube, and consists in that, on the withdrawal of the filling nozzle, the tube is adapted to be closed automatically against the escape of air by its collapsing into a doubled condition between the cover and the bladder. The inflating tube 7 of a bladder 1 is provided at each end with an enlargement 9, 10. The inner enlargement 9 is passed through an opening in an elastic rubber washer 9<a> formed integral with the usual flap 5, and thereby holds the bladder in position. The outer enlargement 10 presses against the inside of the cover 2 during inflation, the cover having been laced prior to this operation. Upon the removal of the inflating nozzle, the tube 7 collapses at a position intermediate the enlargements and thereby prevents the escape of air. A rubber flap valve 6 may also be provided.
Patent GB-149668-A (GB)
Title: Improvement in air-admission means for boiler furnaces
IPC: F23C7/02
Filed: 1920-07-30
Abstract: 149,668. Martin, J. C. March 22, 1919, [Convention date]. Liquid-fuel furnaces.-In an oil-fired locomotive, below the metal fire-box proper is a bricklined combustion chamber into one end of which fuel and air are introduced through connected valves 5, 9 and the flames &c. pass direct from the upper part of the combustion chamber through an aperture in the bottom of the firebox proper. At the rear of the fire.box air is introduced under control of a damper 11 through a space behind a wall extending up from the combustion chamber. The oil and air supplies are jointly regulated by an arrangement of rockshafts and links connected up to the control handle 14, the front and rear air valves 9, 11 being thus opened or closed in accordance with the opening or closing of the oil supply valve 5. One only of the air valves may be connected up if desired.
Patent GB-865143-A (GB)
Title: Improvements in or relating to apparatus for regulating the speed of hydraulic or steam turbines
IPC: H02P23/16
Filed: 1957-07-17
Abstract: 865,143. Automatic speed-control systems. SIEMENS-SCHUCKERTWERKE A.G. July 17, 1957 [July 17, 1956], No. 22672/57. Class 38 (4). The main valve of a turbine is adjusted by electrical means dependent upon (a) the deviation of the speed of the turbine from a predetermined required value, and (b) the first and second time derivatives of (a). The turbine drives a three-phase alternator coupled to a tachometer generator feeding a frequency - deviation measuring bridge, and, independently, a differentiating device. The bridge output is also supplied to the differentiating device which includes a transductor whose output, in series with which may be connected control voltages derived from other parameters, is applied to an electrical driving system for the main valve. The tachometer generator 3 has two windings in quadrature whose outputs are applied to phase-detector bridge circuits 11, 11<SP>1</SP>, comprising saturable reactors varying the resonant frequencies of the circuits 14, 15, and 14<SP>1</SP>, 151, and thereby the balance points of the bridges as well as the reference speed of the turbine. At balance there is no output across transformers 13, 13<SP>1</SP>, but with off-resonance these transformers feed an alternating-current to Hall generators 17, 18, providing a pulsating unidirectional control voltage proportional to the speed-deviation. The output of the differentiating device 5 is connected to electrical driving-means 6 in series with other control voltages, a differential pickup device 27 being driven by a calibrated arm from the turbine valve mechanism to afford a voltage proportional to the turbine output. A differential gear 32, driven by the alternator and a standard clock, provides an output at 33, 34, 35, proportional to the difference between the time integral of the speed and the exact time. A constant voltage source 26 affords a reference power value. The differentiating device, Fig. 3 (not shown), comprises a transductor in a feed-back network. One control winding of the transductor may be supplied from a limiting circuit, Fig. 6 (not shown), to give over-riding control to the valve-positioning means to limit the guide assembly opening.
Patent GB-1068118-A (GB)
Title: Vane in or for an axial-flow blower and method for producing the same
IPC: F04D29/36
Filed: 1965-05-27
Abstract: 1,068,118. Making turbine and like blades. VENTILATOR A.G. May 27, 1965 [May 29, 1964], No. 22673/65. Heading B3A. [Also in Division F1] The vanes of an axial-flow blower (see Division F1) are each formed in one piece from sheet metal, e.g. aluminium, by cutting a sheet metal strip of trapezoidal form, pressing or otherwise forming it into a twisted vane, bending the wide end to a position approximately at right angles to the vane to form a base portion, and pressing or stamping the base into an arched or part-spherical configuration.
Patent GB-184703-A (GB)
Title: Improvements in vent-pegs
IPC: B65D51/16
Filed: 1921-08-29
Abstract: 184,703. Boneham, J. Aug. 29, 1921. Vent pegs.-A vent peg has an enlarged head the upper part B<1> of which is removable and contains a chamber C connected by a passage D to the tubular stem of the peg and by a vertical passage E, in which is seated a ball valve G, to a lateral air inlet F.
Patent GB-365022-A (GB)
Title: Improvements in or relating to telephone paystations
IPC: H04M17/02
Filed: 1931-08-12
Abstract: 365,022. Coin-freed telephone apparatus. TELEPHON-APPARAT-FABRIK E. ZWIETUSCH & CO., GES., 6, Salzufor, Charlottenburg, Berlin. Aug. 12, 1931, No. 22824. Convention date, Aug. 13, 1930. [Class 27.] Coin action, weight and multiple-coin.-A coin-freed telephone substation has two stepby-step devices which must be set to corresponding positions before conversation can take place, one device being set by impulses transmitted back from the exchange in accordance with the connection desired whilst the other device is advanced one step for each coin inserted. Indicators show the fee required and the actual amount inserted at any time. In the arrangement shown, a shaft 1 carrying an indicating disc 3 and a ratchet wheel 2 is set by a magnet GM responsive to impulses transmitted from the exchange. A coaxial shaft 12 also carrying an indicating disc 7 and a ratchet wheel 15 is set through a pivoted lever 11 by coins 8 passing down the shoot 9 into a temporary container. When the shafts 1, 12 are in corresponding positions a pivoted spring-controlled projection 17 is engaged by a stop 16 on the ratchet wheel 15 to effect the closure of contacts gk. At the end of a call, the shaft 1 is restored to normal by further impulses and shaft 12 by a toothed sector 20 on the receiver hook 24, the sector 20 engaging with a toothed wheel on a further shaft 21 which carries a pin 22 projecting into the path of a pawl 23 on shaft 12.
Patent GB-443138-A (GB)
Title: Method of and device for rolling metal strips
IPC: B21B1/22
Filed: 1935-08-13
Abstract: 443,138. Rolling strip metal. LESZL, N., Bassano del Grappa, Italy: Aug. 13, 1935, No. 22828. Convention date, Aug. 14, 1934. [Class 83 (iv)] A metal strip of width x and travelling in the direction r is rolled out transversely to width y either by one or a pair of long conical rolls b<2>, Fig. 1, moved in a transverse arc z, or by traversing a number of short cylindrical conical, concave or convex rolls d, &c. Fig. 2, forming a pass with a single roll w over which the strip travels, or, as in Fig. 4 the strip being spirally bent, or skelped in a die and mandrel c, to tubular form with open or welded or stitched edges and widened by skew rolls or by a number of short rolls d<1>-d<4> or by a long conical roller g the pressure of which can be varied by moving the conical bush f as desired, by pressing the die e against it. If a single roll is used, Fig. 1, it co-operates with a flat or curved platen surface. The rolling may be either hot or cold.
Patent GB-229596-A (GB)
Title: Improvements in egg testers
IPC: G01N33/08
Filed: 1924-09-27
Abstract: 229,596. Demitz, H. Sept. 27, 1924. No Patent granted (Sealing fee not paid). Eggs, testing. - In apparatus for testing eggs, of the kind in which the eggs are supported in apertures in the cover of a frame fitted internally with illuminating means, the frame is made of slats a which are detachably connected, by dovetailed fillets c, to corner pieces b, and are each provided with an electric lamp d. Several modifications are described in which, to allow reversal of the cover e, means are provided for retaining the eggs in the apertures f, one construction comprising the provision of spring clips for each egg. Fig. 3 shows a wire frame hinged at i to the cover e and secured at its free end by fastenings k. In another construction, Fig. 5, the cover is divided into sections e<1> each fitted with trunnions l and rotatable about its longitudinal axis, a wire frame, similar to the frame h, Fig. 3, being provided for each section. In the device shown in Fig. 8, the cover is composed of two dished perforated plates n having lips o which are secured together by detachable clamping-strips p.
Patent GB-1357665-A (GB)
Title: Air sifter
IPC: F04D29/28
Filed: 1972-05-16
Abstract: 1357665 Air sifters POLYSIUS AG 16 May 1972 [23 July 1971] 22865/72 Heading B2H [Also in Division Fl] In an air sifter comprising a chamber and a rotor for producing a flow of air through the chamber, the rotor blades are fabricated from sheet metal having projections thereon and are provided with a hardened layer of wear resistant material, e.g. corundum, applied thereto whilst in a plastic state. The projections extend into the wear resistant layer to anchor it to the blade. The wall of the chamber may be made in the same way.