baber/WOPTO huggingface dataset:
Patent GB-472473-A (GB)
Title: Starch preparation
Filed: 1936-03-17
Abstract: Textile materials are given a white tint by treatment with a starch containing a water-soluble, fluorescent substance, such as betamethyl umbelliferone sodium acetate.  Substances such as borax, spermaceti and dextrin may also be added.
Patent GB-679940-A (GB)
Title: Improvements in or relating to silencers for exhaust gases
IPC: F01N1/24
Filed: 1950-03-30
Abstract: 679,940. Exhaust-silencers. SUCKLING, C. March 30, 1951 [March 30, 1950], No. 8049/50. Class 7(ii) A chamber 8 for dissipating wave pulses and a sound-deadening chamber 6 are each lined with asbestos and connected by an unlined tube, the internal capacity of the chamber 6 being not less than that of the engine cylinder or cylinders and the crosssectional area of any part of the silencer being not less than that of the or any one of the exhaust outlets from the cylinder or cylinders. The linings may be split and secured in place by rivets or helical wires.
Patent GB-783988-A (GB)
Title: Improvements in or relating to ink-wells
Inventor: TACEY CHARLES ARTHUR
IPC: B43L25/00
Filed: 1955-03-19
Abstract: 783,988. Inkwells. PHILIP & TACEY, Ltd. Feb. 15, 1956 [March 19, 1955], No. 8060/55. Class 146(3) An ink-well has a reservoir a with a floor sloped to give an eccentric deep part b, and a cover e with an eccentric aperture f to direct the nib of a pen to this part. The cover may be integral with the reservoir or detachable therefrom, e.g. by a screwthreaded joint or as shown a bayonet coupling comprising ledges c projecting from the part a and engaged by hooks j on the part e, the parts c, being irregularly spaced so that the hooks j can pass between the ledges c only in such position as will bring the deep part b and aperture f into correct orientation; this position is indicated by arrows, suitably marked on the parts a, e. According to the Provisional Specification the ledges c are on the interior of the reservoir a and the hooks j project from the skirt e<SP>2</SP>. The parts may be formed of synthetic resins such as will enable three equi-spaced ribs d to give somewhat to ensure good contact in. and easy removal from, the socket opening in a school desk &c. A guide g may be provided to assist in guiding the pen nib, and to prevent the pen holder if left in the well, from overhanging the working area of the desk; a roughened extension h serves as a handle.
Patent GB-178289-A (GB)
Title: Improvements in joints for bedsteads and mattress frames
IPC: F16B12/56
Filed: 1921-03-16
Abstract: 178,289. Garnett, N. March 16, 1921. Joints for bedsteads.-The side member or mattress frame member 2 is secured to the usual bracket 1, by means of a threaded pin or bolt 3 of uniform diameter, rotatably but non-removably connected to the member 2 by a rivet or pin 4.
Patent GB-296319-A (GB)
Title: Improvements in web replenishing mechanism for web fed machines
IPC: B65H19/18
Filed: 1927-03-25
Abstract: 296,319. Scott, W. C. March 25, 1927. Feeding webs.-Webrenewing mechanism for two associated printing or web-fed machines comprises. two web-changing devices driven by the machines and arranged to be rendered active simultaneously. The webchanging devices preferably comprise means for stopping or slowing down the portion of the active web to which the new web is to be joined, by accumulating a surplus web for feeding to the machine while the join is being effected, and may be of the construction described in Specification 292,693. As shown, the web-changing devices of two printing- machines 1, 2, Fig. 1, each comprise a series of stationary rollers 15, Fig. 2, and a series of movable rollers 16 round which the web passes. The rollers 16 are mounted on a slidable carriage 17 provided with a slot 19 in which engages a roller 20 carried by a chain 21, the driving sprocket 23 of which is geared to bevel wheels 26, 27 loose upon a shaft 28 which is driven by the machine. Clutches 29, provided with hand levers 32, serve to connect the bevel wheels 27 with the shaft, and the clutches are connected together by a link 69 for simultaneous actuation. In the inactive position of the devices, the rollers 16 are adjacent to the rollers 15. Upon actuation of either of the clutches 29, the carriages 17 move to the right to cause the rollers 16 to draw surplus web from the web-rolls 3, 5. At the end of its stroke, one of the carriages engages a projection 34 on a slidable rod 33, which is thus caused to operate a lever 37 to move the clutches 29 into engagement with the bevel wheels 26 and thereby reverse the movement of the carriages. During the return of the carriages, the machines draw their supply from the surplus webs and the webs to the rear of the surplus are slowed down or stopped. The new webs are attached to the old webs and the old webs severed by devices constructed as described in Specification 296,380. In a modification. Fig. 3, the carriage 17 receives a complete reciprocation without reversing the direction of movement of the chain 21, and the web-changing devices are put into action automatically when the web-roll is sufficiently reduced in size. In this construction a lever 58 resting against the web-roll is caused to pull down a rod 56 and actuate, through the connections shown, the interconnected clutches 45, 53 to cause the chairs 21 to rotate. A disc 48, making one revolution for each complete reciprocation of the carriage 17, engages a roller 50 on the clutch lever 46 to hold the clutches closed until a notch in the disc comes opposite to the roller 50 to allow the clutches to open. The clutches may be closed by electro-magnetic instead of mechanical means, and the electromagnet may be controlled by a push button, by a switch closed by a lever engaging the web-roll, or by causing the web to pass between and normally keep apart a pair of contacts which engage each other when the web is exhausted, or which are bridged by a metal strip inserted in the edge of the web.
Patent GB-924021-A (GB)
Title: Improvements in spectacle frames
Inventor: GERRING WILLIAM JACOB
IPC: G02C5/22
Filed: 1961-03-07
Abstract: 924,021. Spectacle hinges. M. WISEMAN & CO. Ltd. Jan. 30, 1962 [March 7, 1961], No. 8330/61. Class 97 (1). A spectacle frame hinge 1 is attached to a side piece 5 or the front piece by means of screws 3 which engage holes 4, 9 formed in the hinge, side arm and reinforcing wire 8 which holes are of the shape shown. The narrow parts of the holes are threaded. The ends of screws 3 are subsequently domed.
Patent GB-713165-A (GB)
Title: Improvements relating to circuits incorporating cathode ray tubes
Inventor: RASELL JOHN ALBERT
IPC: H03F1/54
Filed: 1950-04-04
Abstract: 713,165. Supply systems for space discharge apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. April 4, 1951 [April 4, 1950], No. 8378/50. Class 38(4) In a circuit, e.g. of a television receiver, incorporating a cathode ray tube 6, one or more other valves, and an H.T, supply for operating such valves, overheating of the cathode ray tube cathode heater when the circuit is initially energized is avoided by connecting the heater in the H.T. supply circuit to be supplied therefrom, thereby taking advantage of the slow rise of current in such supply circuit. The heater may be connected in series in the latter circuit, or, as shown, across a resistor 7 so connected. The main loads of the circuit, represented by rectangles 21, 22, come into effect relatively slowly, and are fed from A.C. supply terminals 1, 2, through e.g., a voltage doubling fullwave rectifying circuit 3, 10, 12 similar to that described in Specification 685,452. The cathode heaters 5 of all the other valves one serially connected, in series with a D.C. blocking condenser 4, between the chassis and one supply terminal 2. Specifications 272,446 and 275,797, [both in Class 40(v)], also are referred to.
Patent GB-382202-A (GB)
Title: Improvements in or relating to water-tightly or gas-tightly enclosed electric switches
IPC: H01H19/06
Filed: 1932-03-21
Abstract: 382,202. Switch cases. DAVIS, R. H., 187, Westminster Bridge Road, London. March 21, 1932, No. 8414. [Class 38 (v).] In fluid tightly enclosed electric switches, e.g. for lamps for submarine use, a flexible diaphragm 13 of metal, rubber, &c., carrying a movable contact 9, is interposed between the stuffing - box 20 of the threaded operating spindle 19 and the contacts 6, 9 as an additional safeguard against leakage. A spring 12 abutting the contact 6 carried by an ebonite block 7 presses a thimble 10 against the battery 1. In a modification the movable contact is operated by a cam on the end of a plain spindle.
Patent GB-740223-A (GB)
Title: Window construction
IPC: E06B3/50
Filed: 1954-03-23
Abstract: 740,223. Window holders; hinges. KAUFMAN, A., and KAUFMAN, L. March 23, 1954 [March 24, 1953], No. 8414/54. Classes 44 and 65 (2). [Also in Group X] In a window in which sashes 1, 2, Fig. 3, are slidable in a frame F and are swingable inwardly for cleaning (see Group X), each sash is pivoted to a slide 12, 13, which reciprocates in a guideway 8, 7, the latter being lined with a sheetmetal member C. The slides 12, 13 are resilient so that the friction between their front and rear walls and the adjacent walls formed by member C, is sufficient to hold the sashes 1, 2 in position without any counterbalancing weights or springs. Each pivot comprises a J-shaped sheet-metal lug, Fig. 7, having a long arm which is passed through a slot 21 in the slide 13 and riveted thereto, and a plane sheet-metal lug 38 which is passed through aperture 37 in, and secured to, a strip 32, 33, which is rigid with the sash. The lug 38-is placed between the limbs 26, 27 of the J-shaped lug, a washer made from canvas impregnated and pressed with ureaformaldehyde resin is placed on either side of the lug 38 and a bolt 29 is passed through the assembly and screwed into a threaded opening 27<SP>1</SP> provided in limb 27. The top edges of limbs 26, 27 act as a limit stop for the pivoted movement of the sash.
Patent GB-832805-A (GB)
Title: Encasing of structural steel
IPC: E04B1/94
Filed: 1957-03-14
Abstract: 832,805. Encasing structural steel. LOWE, W. C., and MARTIN, W. G. June 11, 1958 [March 14, 1957], No. 8474/57. Class 20(4) A structural steel member 1 is encased in sheets of gypsum board &c. 5 and finished with a coating of vermiculite plaster. The bottom part 13 of the plaster is cast in situ using a mould 12 and the rest of the plaster is applied by a spray gun. Wire mesh 9 forms a key for the plaster. The boards 5 are retained by U-shaped clips 7 and hooks 8, the latter supporting zig-zag wires 11.
Patent GB-823876-A (GB)
Title: An improved check counter particularly for use in self-service stores
Inventor: THOMPSON STANLEY HOWARD ADCOCK
IPC: A47F9/04
Filed: 1957-03-15
Abstract: 823,876. Endless belt conveyers. PARNALL & SONS Ltd. March 17, 1958 [March 15, 1957], No. 8533/57. Class 78 (1). [Also in Group XVIII] Idler rollers 8, 9 are oppositely adjustable in horizontal planes to centralize the belt 4 of a conveyer forming part of a counter top (see Group XVIII).
Patent GB-1169798-A (GB)
Title: Synchronization Monitor Apparatus
IPC: H04L7/033
Filed: 1967-02-22
Abstract: 1,169,798. Digital transmission systems; facsimile synchronization systems; automatic phase control systems. RANK XEROX Ltd. 22 Feb., 1967 [28 Feb., 1966], No. 8586/67. Headings H3A, H4F and H4P. An arrangement for monitoring and controlling the synchronism of a pulse generator with respect to received sync. pulses, for example in a facsimile system, comprises a pair of counters and an AND gate. The pulses from the generator and the received pulses feed the gate, and one of these pulse trains passes to one of the counters. The output of the gate feeds the other counter and resets the first counter. When either the first or second counter reaches a given count an out-of-sync. or in-sync. signal, respectively, is generated. In one embodiment, Fig. 3, the AND gate 45 and counters 41, 43 receive sync. pulses and local pulses as shown. Suppose stage 69 of counter 43 is at 1. A received sync. pulse, not coincident with a local pulse, passes via gate 63 to reset counter 41 and pulse generator 61, the latter comprising a counter. Gate 83 is enabled whenever counter 69 is not full, so now counter 43 counts the local pulses. Because the output of gate 45 resets counter 43, the count registered will be the number of local pulses not coincident with a received sync. pulse occurring since the last coincidence. Whenever stage 69 is at 1 the next sync. pulse resets generator 61. If now coincidence is attained counter 43 is reset and counter 41 is incremented to register the number of in-sync. pulses. If, in spite of resetting generator 61, synchronism is not attained before counter 43 is filled, gate 83 is inhibited and a warning signal generated. If counter 41 becomes full, i.e. after reception of seven successive coincidences in the embodiment illustrated, an insync. signal is generated.
Patent GB-116548-A (GB)
Title: An Invention for Improvements in the Form and Construction of Hand Cameras.
Inventor: WATERLOW GEORGE
IPC: G03B17/04
Filed: 1917-06-16
Abstract: 116,548. Waterlow, G. June 16, 1917. Cameras, book-form. - Relates to cameras having a narrow top, front, and bottom frame, with solid side members hinged to the front member of the frame, and consists chiefly in a back member in two parts hinged to the rear ends of the top and bottom parts of the frame, connected by a bellows with the front thereof, and adapted to co-operate with the opened sides. The frame consists of top B, front A, and bottom C, Fig. 2, the front part carrying the lens and having the side members K, Fig. 1, hinged thereto, springs 0 above and below tending to maintain the camera in closed conditions. Secured to pivot holders F on the top and bottom members of the frame are the two parts E of the back, which are designed to pass beyond bevelled ridges or flanges L and to be held with their ends securely between the flanges and the ends of the side members when the camera is opened. A bellows connects the back with the lens tube, which may be adjustable for focusing, springs being arranged at the pivots tending to move the back in the open position. The frames of the back members have grooves H for the plate-holder, for the insertion of which a swing part P is arranged at the end of one of the sides K, and a catch Q provided for fastening the parts when closed. The shutter, of any suitable construction, and view-finder are mounted on the narrow front.
Patent GB-1531086-A (GB)
Title: Overhead signal pickup drive apparatus
IPC: G11B9/06
Filed: 1976-03-04
Abstract: 1531086 Driving playback heads for disc records RCA CORPORATION 4 March 1976 [10 March 1975] 08666/76 Heading G5R The hinged lid 11, 18 of a player for a spirallygrooved video disc record 13 contains both a reciprocally-mounted housing 17, in which is pivoted one end of an arm 16 carrying a pick-up 15 (e.g. of the capacitive type) at its other end, and drive means, e.g. a motor 46 and a rack-andpinion 49, 48, which moves the housing 17 so that the pick-up 15 moves radially across the record 13. The record is earthed through pads 28 as described in Specification 1,531,087.
Patent GB-915941-A (GB)
Title: Improvements in and relating to air intakes for air-consuming propulsion engines of supersonic aircraft
Inventor: SMITH THOMAS WILLIAM
IPC: F02C7/042
Filed: 1959-03-12
Abstract: 915,941. Jet propulsion plant. ENGLISH ELECTRIC CO. Ltd. March 8, 1960 [March 12, 1959], No. 8684/59. Class 110 (3). [Also in Group XXXIII] An air intake for the air consuming propulsion engine of a supersonic aircraft comprises two part conical bodies mounted coaxially at the intake with their bases facing one another, one pointing forward upstream of the lip of an intake cowl, the other pointing back into the cowl, the bodies being hinged at or near their apices transversely of their longitudinal axis. A cowl 2 having a sharp leading edge 1 is attached to the side of the fuselage 20. A forward half-cone 5 is hinged at its apex about a vertical pivot axis 35. A rear body 6, which is not strictly speaking conical, has a semicircular leading edge and tapers off rearwardly to a vertical hinge 36. A gap 3 is left between the two bodies 5, 6 where the leading edge 30 of the cone 6 overlaps the trailing edge 31 of the cone 5. The cones 5 and 6 are actuated by jacks 32, 33 and are connected together by toggle levers 37, 38 and connecting link 39 so that in the raised position shown in full lines, Fig. 5, the gap 3 is at its widest and is closed in the collapsed position. Air entering the interior of the cones 5, 6 is bled off through a duct 40 in the fuselage 20. Ramps 26, Fig. 6, overlap the gap and diverge rearwardly and outwardly forming fairings between radial portions of the cowl 2 and the side of the fuselage 20. The ramps 26 end just upstream of the outlet of the ducts 40 and suck off the boundary air from these ducts. The bodies 5, 6 may have triangular flat-sided flanks which retract into the fuselage. The surfaces of the bodies may be curved or straight. Intakes arranged in a corner between the side of a fuselage and the underside of the wing and under the wing only are also described.
Patent GB-1434051-A (GB)
Title: Electric socket connectors
IPC: H01R33/08
Filed: 1973-02-22
Abstract: 1434051 Two-part couplings GENERAL ELECTRIC CO Ltd 5 April 1974 [22 Feb 1973] 8808/73 Heading H2E A socket comprises a resilient plastics body 1 with apertures 15 for receiving contact pins 16 of a complementary plug and contact support means positioned relative to the apertures adapted to support the bored ends of wire cables, the bared ends constituting the socket contacts 2. The socket is intended to connect with the bipin base of a discharge lamp and the body comprises an integral base 4 and hinged 3 lid 5 which are formed with pillars 9, 12, 14 and grooves or recesses 8, 11, 13 for supporting the wire-end contacts 2. Posts 18 integral with the base resiliently urge the wire-end contacts against the pins 16. The lid is snap-closed on to the body by means of projections 7.
Patent GB-1092632-A (GB)
Title: Improved process for the production of n-methylol formamide
Inventor: GRADY DENNIS
IPC: C07C233/16
Filed: 1964-03-03
Abstract: N-methylol formamide is obtained by heating together formamide and an anhydrous polymer of formaldehyde under anhydrous conditions, as defined below, at a temperature in the range of 75 DEG  C. to 105 DEG C. in the presence of an alkali metal hydroxide as catalyst.  The formaldehyde polymer is preferably paraformaldehyde and the catalyst may be added as a concentrated aqueous solution, but no other water may be present in the reaction mixture.
Patent GB-541999-A (GB)
Title: Improvements in or relating to collecting mechanism for rod-shaped articles
IPC: A24C5/354
Filed: 1940-05-18
Abstract: 541,999. Conveyers. MOLINS, D.W., RUAU, F. F., and MOLINS MACHINE CO., Ltd. May 18, 1940, No. 8879. [Class 78 (i)] [Also in Group XVII] A collecting-mechanism for cigarettes or other rod-shaped articles comprises a number of receptacles R which are carried by a conveyer in close succession in a closed or other path below a filling station and are constructed to permit flexible lifting strips S to be placed in the receptacles with the ends of the strips arranged outside the receptacles, e.g., depending from between upwardly extending spaced elements 100 at each end of the receptacle. The elements 100, which may be formed by slotting the end walls and part of the bottom wall, may have forwardly extending portions 102 at one end at least, and the receptacles are cut away as shown at 101 in order that the strips do not foul the abutting receptacles. The strips enable the articles to be removed without removing a receptacle from the conveyer, and a number of superposed strips may be placed in a receptacle. The construction of the conveyer is described in Specification 541,998. Specification 542,022 also is referred to.
Patent GB-259127-A (GB)
Title: Strings for string musical instruments
IPC: G10D3/10
Filed: 1926-04-01
Abstract: 259,127. Glasel, H. A., and Glasel, M. A., (trading as Glasel & Co., A.). Oct. 12, 1925, [Convention date]. Strings for musical instruments, especially steel strings for violins, are provided at one end with a short piece c of soft metal, which is inserted in the hole in the peg and wrapped round the peg. The soft metal piece is preferably in the form of twisted copper or iron wire attached by loops a, a'.
Patent GB-888060-A (GB)
Title: Improvements in hoppers
Inventor: LINES CYRIL
IPC: B65G65/00
Filed: 1958-03-20
Abstract: 888,060. Feeding material from skip hoists; hopper discharge. QUALTER, HALL & CO. (SALES) Ltd. March 13, 1959 [March 20, 1958], No. 8997/58. Classes 78 (1) and 78 (4). Bulk material, which is fed at intervals over a shoot 4, is received by a conveyer 7, the receiving end of which is in line with the shoot and which follows an arcuate path below a line joining the receiving and discharge ends. As shown, the contents of a skip 5 pass through an air lock door 10 in an air lock chamber 3 and pass through a shoot 4 on to an endless plate or other conveyer 7, which is curved, as shown, to be initially parallel to the bottom wall of the shoot so that material from the shoot gradually loses momentum until running at the same speed as the conveyer. At a predetermined position, a switch 13 is actuated by the leading edge of the material on the conveyer to close the airlock door 10, which in turn opens an airlock door 11 to allow the material to be fed through an outlet 6 on to a conveyer or vibrating feeder 12. The conveyer is provided with a variable-speed drive and may be provided with vertical side walls 14 which are extended laterally to the side walls 15 of the chamber 3. For a non-airlocked installation, the chamber 3 and doors 10, 11 are omitted.
Patent GB-226147-A (GB)
Title: Improvements in or relating to standpipes for the discharge of distillation products from a retort into a collecting main of a carbonizing plant
IPC: C10B27/06
Filed: 1924-04-09
Abstract: 226,147. Koppers Co., (Assignees of Ackeren, J. van). Dec. 13, 1923, [Convention date]. Ascension pipes and dip pipes.-Standpipes comprise upflow and downflow limbs 18, 21, the latter of which can be sealed by a dish-shaped valve 26 mounted in a lateral pipe 22 connecting with the main 14, and a spraying-nozzle 31 is arranged above the valve. Specification 171,117, [Class 51 (ii) Furnaces and kilns for applying Ac.], is referred to.
Patent GB-195641-A (GB)
Title: Improvements in or relating to automatic firearms
IPC: F41A19/02
Filed: 1923-03-29
Abstract: 195,641. Soc. Anon. Officine di Villar Perosa. March 31, 1922, [Convention date]. Machine guns. - Firing-mechanism adapted to fire limited bursts of shots comprises a toothed wheel 13 rotated step-by-step by a cranked lever 18 actuated by an inclined surface 20 on the breech-block and acting on a sear-actuating lever 12, 15 pivoted on the trigger which is held completely pulled during the firing of a burst. As shown, the wheel 13 is mounted on the trigger pivot 10. The sear-actuating lever has a forward lug 14 for actuating the sear in the ordinary way when the trigger is pulled for firing the first shot of the. burst. To adjust the mechanism for firing one shot at a time, the cranked lever is moved out of engagement with the wheel 13. The number of teeth on the wheel is equal to, or is a multiple of, the number of slots in the burst and the last tooth of the series is narrower than the others so that it does not act on the sear-releasing lever. The striker is composed of two parts 3, 5. The outer part has a lug engaging a helicoidal notch in the breech-block and cannot advance until the breech-block is closed. It thus acts as a safety device.