baber/WOPTO huggingface dataset:
Patent GB-785556-A (GB)
Title: Improvements in decorticators for hulling grains
IPC: B02B3/08
Filed: 1955-05-02
Abstract: 785,556. Hulling grain. GRIMARD, E. May 2, 1955 [May 18, 1954], No. 12630/55. Addition to 713,986. Class 58. The decorticator of the parent Specification is modified in that automatic devices are provided for admitting and discharging a charge of grain for desired periods of time for keeping it enclosed during hulling, for hulling the grain for a desired period, and repeating this working cycle. The decorticator 2 and motor 4 are enclosed in a casing 1, Fig. 1. Grain is fed into the decorticator from a hopper 5, Fig. 2, through a chamber 6 having superposed base plates 8 and 9 respectively provided with openings 8a and 9a. A slide 10 having an opening 13 is disposed between these plates. The slide has a transverse spindle 11 engaged in a fork 14 at one end of a bell-crank 15, which is pivotally attached at its other end to a rod 18 secured to the movable core of an electromagnet 21. When this is switched on, the slide is moved to bring the opening 13 into register with the openings 8a and 9a, and, when it is switched off, the slide is moved by a spring 20 to close them. The decorticator's outlet 25, Fig. 1, is provided with a slide 22 attached to a rod 24 secured to the core of an electromagnet 27. When this is switched on, the slide is moved upwards to open the outlet, and when it is switched off, the slide is returned by a spring 26 to close the outlet. A control box 28 attached to the casing has a push button 29, Fig. 5, for the motor and another 30 for energizing three interconnected variable timing relays RA, RT, RE. The relay RA closes a switch CA controlling the electromagnet 21 and, at the end of the admission period, opens the switch CA and energizes the relay RT governing the hulling period. At the end of this period, the relay RT energizes the relay RE, which closes a switch CE controlling the electromagnet 27, then opens it at the end of the discharge period and energizes the relay RA to start another working cycle. The hulling period may be taken as extending from the opening of the switch CA until the closing of the switch CE. Signal lamps L1, L2, L3, L4 respectively indicate when the motor is oper-  ating, when grain is being admitted, when it is being hulled and when it is being discharged.
Patent GB-1098599-A (GB)
Title: Improvements in and relating to nuclear reactors
IPC: G21C11/08
Filed: 1965-03-25
Abstract: 1,098,599. Reactors. BABCOCK & WILCOX Ltd. March 25, 1965 [March 25, 1964], No. 12631/65. Heading G6C. A nuclear reactor has, in a common pressure vessel, a core cooled by a pressurized coolant, a heat exchanger located downstream of the core for removing heat from the coolant, and an insulating wall which encircles the core and heat exchanger and co-operates with the pressure vessel wall to form an annular coolant passage for coolant which has left the heat exchanger; the insulating wall includes a neutron absorbing material which is released into the coolant to render the core sub-critical if the insulating wall is fractured. The insulating wall 26 comprises a porous ceramic filling clad on both sides by stainless steel; the top end is sealed, and the bottom end includes a thermal expansion compensation Unit 36 joining the inner and outer stainless steel claddings. The neutron absorbing material is contained in pockets 30, and is in fine granular form, readily soluble in the supercritical water coolant.
Patent GB-256706-A (GB)
Title: Improvements in or relating to mixing apparatus
IPC: E01C19/10
Filed: 1925-05-14
Abstract: 256,706. Johnston, J. M. T. May 14, 1925. Stationary mixers with rotary stirrers.-In mixing apparatus for sand and other road-making material and molten bitumen, of the kind comprising a chamber heated by flue gases and provided with a conical bottom and stirrers mounted on a vertical shaft, the flue gases are led to an uptake at the side of the chamber. The chamber 3. in which the conical bottom 9 forms a partition, is mounted on cross members 4, and the flue gases are led to the lower side by a pipe 25, thence to the uptake 27.
Patent GB-1195551-A (GB)
Title: Improvements in Copper-Nickel-Iron Alloys
Inventor: BROWN DOUGLAS
IPC: C22C9/06
Filed: 1967-03-17
Abstract: 1,195,551. Cu-Ni-Fe alloy. LANGLEY ALLOYS Ltd. Feb. 7, 1968 [March 17, 1967], No. 12703/67. Heading C7A. A high strength, ductile alloy with a magnetic permeability less than 1À3, comprises:- Al 1-4% Fe over 12% up to 50% Mn 4-6% Ni 10-20% Cr 0-10% Nb 0-3% Si 0-3% the balance being Cu in an amount of at least 20% and has a Fe/Ni ratio of at least 1 when the Ni content is less than 15%. The alloys may be used in the as cast state, may be hot worked and may be precipitation hardened at 400-600‹ C. to increase the proof stress thereof.
Patent GB-848013-A (GB)
Title: Improvements in tubulous vapour generators
IPC: F23K3/00
Filed: 1957-04-18
Abstract: 848,013. Pulverised fuel furnaces. BABCOCK & WILCOX Ltd. April 18, 1957 [April 30, 1956], No. 12750/57. Class 51 (1). The combustion chamber, Fig. 2, of the furnace shown is substantially D-shaped in horizontal cross-section and burners 46 ... 51 are arranged on the six sides of a portion of the chamber front wall such that projections of the nozzle axes intersect whilst the burners 45, 52 are directed towards a location intermediate the chamber rear wall 60 and the axis of intersection. Coal from a bunker 11 is fed by conveyers 12 to furnace gas shafts 21 ... 28 each of which charges a beater mill 13 ... 20. These mills induce furnace gases from the chamber 1 through openings 29 ... 36 and the shafts 21 ... 28, cold air being added in the shafts in known manner as required for tempering purposes. The mills have classifying means and the pulverised fuel produced is blown through respective risers 37 ... 44 to the burners each of which consists of fuel nozzles 53 ...55, Fig. 1, and air nozzles 56 ... 59. Downstream of the D-shape crosssection the chamber may be of triangular or rectangular cross-section.
Patent GB-109617-A (GB)
Title: Improvements in or relating to Embroidery Machines.
IPC: D05C3/04
Filed: 1917-09-06
Abstract: 109,617. Saurer, A., [Firm of]. Sept. 13, 1916, [Convention date]. Embroidery machines.-A stroke-regulating device, for the parts of embroidery machines moving in predetermined strokes during the working of the machine comprises a disk 12, Fig. 2, having a, cam-groove and arranged concentrically to the axis of oscillation of an oscillating slide 5, the cam groove consisting of a number of concentric parts 13 which serve to guide a block 6 mounted in the slide during the oscillation of the latter, and connecting cam parts 14 which serve to change the position of the block in the slide as required. The block is connected by a link 8 to the parts of the machine, e.g. the thread guides, punches, piercers, or the like, which are actuated by the oscillation of the slide 5 through the roller 3 and a cam 2 on the shaft 1. The disk 12 is turned by a toothed wheel 15 on a shaft 16 that is intermittently rotated either by hand or by the automaton. The cam groove may be continuous or have closed ends. In the latter case, the arrangement shown in Fig. 4 is provided for preventing further' movement of the cam disk when the follower attached to the block 6 has reached either end of the cam groove. The toothed wheel 20 which gears with the cam disk 12 is carried by a shaft 22 with a hand-wheel 23 and is normally pressed by a spring 24 into clutching engagement with a disk 18 on the shaft 16. A face cam 17 is provided at a suitable position on the cam disk and moves a lever 25 to unclutch the wheel 20 from the shaft 16 when the cam-follower has reached the end of the cam groove.
Patent GB-569980-A (GB)
Title: Improvements in or relating to spring suspended seats of arm-chairs, settees and like pieces of furniture
IPC: A47C3/025
Filed: 1944-09-07
Abstract: 569,980. Seats, &c. LEA BRIDGE INDUSTRIES, Ltd., HOWE, H., and BENSON, J. J. G. Sept. 7, 1944, No. 12789/43. [Class 52 (ii)] A suspended seat frame for arm-chairs, &c., is supported at the rear by springs (not shown) connected to the arm frames 2 and at the front is provided with off-set members 7 guided in fixed channels 15 and also supported by springs 3. The seat frame is restrained in its upward movement at the rear by webbing, &c., straps. In a modification the parts 7 fit into sleeves guided in tubular uprights and supported below by compression springs with buffer springs above.
Patent GB-591756-A (GB)
Title: Improvements in hydraulically operated vices for machine tools
IPC: B25B1/18
Filed: 1945-05-22
Abstract: 591,756. Hydraulic vices. SANDERS, H. B., and SANDERS, B. W. May 22, 1945, No. 12801. [Class 61 (ii)] The body 12 of a manually-operable hydraulic vice is integral with the fixed jaw 13 and is provided with a sliding jaw 15. Attached to the vice body 12 is a reservoir 40 for the working fluid, such as oil, which is drawn through an orifice (not shown) into a pump chamber 45, from whence it is expelled by a hand-operated pump comprising a piston 51 and a handle 46. The working fluid passes through a non-return valve 31 into a fixed cylinder 20, in which slides a ram connected to the sliding jaw 15. By a to-and-fro movement of the pump handle 46 the ram is moved back and the sliding jaw forced into clamping position. A release valve operated by the screw 34 allows the working fluid in the cylinder 20 to escape into the reservoir 40 and return tension springs 54 move the sliding jaw out of clamping position. This movement may be arrested at any time by closing the release valve. The sliding jaw may be locked in the clamping position by screws &c. U.S.A. Specification 2,107,970 is referred to.
Patent GB-1109305-A (GB)
Title: Cyanine, carbocyanine, merocyanine and rhodocyanine dyes
Filed: 1965-03-26
Abstract: Cyanine, carbocyanine, rhodacyanine, and merocyanine dyes containing a group of formula <FORM:1109305/C4-C5/1> or quaternary salts thereof, wherein R is an alkyl group, are prepared by quaternizing a benzoxazole of formula <FORM:1109305/C4-C5/2> wherein R is methyl or alkylmercapto group, with an alkyl orthoester or a derivative of a heterocyclic base (e.g. an alkylthio, anilinovinyl-, acetanilido-vinyl- or alkyl-thiovinyl derivative).  Examples of derivatives of hetero cyclic bases are 3-ethylrhodanine, 2-alkylthio-5,6 - methylenedioxy - benzoxazoles, 2 - ethylthioquinoline, and acetanilido - vinyl - benzothiazole.ALSO:2 - Methyl - 5,6 - methylenedioxy - benzoxazole is prepared by reacting a solution of 7-hydroxy-1,3-benzodioxole in dilute NaOH with diazotized sulphanilic acid to form a dye which is reduced with SnCl2/HCl to give the hydrochloride of 6-amino-7-hydroxy-1,3-benzodioxole which is cyclized with excess acetic anhydride to give the required benzoxazole.  2 - Ethylthio - 5,6 - methylenedioxy - benzoxazole is prepared by reacting the above hydrochloride in boiling alcoholic KOH with CS2 to give 2-mercapto - 5,6 - methylenedioxy - benzoxazole which is reacted with diethyl sulphate.
Patent GB-492202-A (GB)
Title: Improved process and apparatus for making rollers with embossed surfaces
IPC: B41C1/04
Filed: 1937-05-06
Abstract: 492,202. Copying by scanning. TAVY, L. DE. May 6, 1937, Nos. 12962, 12963, 12964, and 12965. Convention dates, May 6, 1936, Sept. 29, 1936, Nov. 4, 1936, and Feb. 25, 1937. [Class 40 (iii)] A design element is transferred to emboss a roller A in correct circumferential registration by scanning the carrier 5 with one or more rays of light and recording on the roller or on a coating a on the roller. The scanning controls simultaneously several recording devices 16, 17, which are spaced along the same generatrix of the roller at intervals equal to the axial length of the design element. The carrier of the design is an endless band continuously covered by the design element. When the scanning drum has a diameter which is substantially smaller than that of the roller, the drum is driven at a multiple of the angular speed of the roller but at the same circumferential speed. The individual rollers of a set for multi-coloured printing are produced by repeatedly scanning a single, multi-coloured design, of which the uncoloured parts are impervious to, or do not reflect light, and the colours do not appreciably overlap in the spectrum. For each successive scanning a different light filter is interposed between the source of light 23 and a photo-electric cell 18b. The design is mounted on a hollow tube 90 of elastic material with a longitudinal slit 92 and longitudinal groove 91 on its external surface. The design carrier on the drum is tensioned by tightening the means 94a .. 94c which grip the inner surface of the drum and cause it to rotate. The headstocks 10, 2, which rotate the scanning drum and the roller, are connected by a chain drive 3a, 4a with changeable chain wheels 3, 4, 3b, 4b, and the scanning and recording devices are removably fastened on the carriage 13 of the lathe, and driven by the usual positive, variable gear. The photo-electric cell is connected through an amplifier to the grid of a gas-discharge tube, which is fed with alternating current and is identically connected to each of the recorders, Fig. 4 (not shown). When preparing rollers for colour printing, the operative limit of the relay is adjusted between the successive scans. The recording may be by mechanically controlled light from an electric arc in a high-pressure bulb containing gas and metallic vapour, Fig. 2 (not shown), an electric spark under atmospheric pressure, Fig. 7 (not shown), which may occur between the recording electrode and the roller and be subjected to a stream of oxygen, or a grid-controlled Lenard tube. For mechanical recording a milling cutter 60, Fig. 8, is rotated independently of the scanning and is pressed against the roller by the recording current acting on opposed magnetic fields 71, 72. The cutter removes locally a protective layer a on the surface of the roller. Specifications 322,994, 323,629, [both in Class 98 (ii)], and 470,435 are referred to.
Patent GB-1387233-A (GB)
Title: Fibril formation process
IPC: D01F6/04
Filed: 1973-03-19
Abstract: 1387233 Polyolefin fibres GULF RESEARCH & DEVELOPMENT CO 19 March 1973 [20 March 1972] 12994/73 Heading B5B [Also in Division D2] Fibrils for making synthetic paper are made by preparing a hot solution of an olefin polymer having an inherent viscosity of at least 3À5 (at 0À05 gm./100 ml. in decaline at 135‹ C.) in a solvent and incorporating 5 to 35% (by weight of polyolefin) of a low density ethylene homopolymer having a mol. wt. less than the polyolefin, shearing the solution, and precipitating the fibrils by cooling. The polyolefin may be linear polyethylene, and may form 0À25 to 5% by wt. of the solution. The low density polyethylene has a melt index above 1À0 (as determined by ASTM test D1238-65T, Condition E) and a density below 0À94. The solvent may be kerosene, mineral spirit, tetraline xylene or a chlorinated substance, but is preferably aliphatic and boils at 155‹ to 180‹ C. The hot solution is formed at 140‹ to 160‹ C. and has a viscosity of 50 to 30,000 cp. at 145‹ C. The solution may include antioxidants, e.g. Ionol, Santonox R, (Registered Trade Marks) or dilauryl thiodipropionate. The low density polyethylene may be added to the solution before or after heating, and before or after the other polyolefin. The solution is sheared and oriented in a centrifugal spinning apparatus and cooled by introducing chilled liquid, which may be the solvent or another non-solvent, so that a fibrous mass is precipitated. The mass is then passed through a wringer and then a beater where it is treated with, e.g. isopropanol, acetone, or hydrocarbon, to remove solvent. After cutting fibrils of 1 to 5 mm. length are produced. Preferably the fibrils contain up to 5% of residual solvent. The fibrils are then filtered and formed into sheets.
Patent GB-495065-A (GB)
Title: Improvements in display signs and the like
IPC: G09F11/02
Filed: 1937-05-07
Abstract: 495,065. Changing signs. SECKLMANN, P. May 7, 1937, No. 13145. Convention date, Jan. 7. [Class 3 (i)] In signs in which a plurality of prisms, each bearing parts of displays, are simultaneously rotated to present a new composite picture &c., the prisms 1 are rhomboidal in cross-section, the acute angles of the rhomboid being each less than 60‹. Rotation of the prisms through an angle equal to that of the obtuse angles will give an alternation of two displays. To permit of the other two faces of each prism being brought to the front, each pair of adjacent prisms 1 is mounted on a cross-bar 5 pivoted at its middle, so that when this is rotated through 180‹ the two prisms are bodily carried round, and then can be turned through an angle equal to that of the obtuse angle, as before. The Figure shows the general arrangement, a hand-operated rack 10 meshing with pinions 9 loose on shafts 6 serving to turn the prisms on their own axes by engagement with pinions 8. A handoperated rack 13 meshes with pinions 12 fixed on the rotatable shafts 6 to turn the cross-bars 5, each with its two prisms, bodily around. The racks 10, 13 may be reciprocated automatically and continuously by a motor, and more than two prisms may be carried by each bar 5.
Patent GB-149102-A (GB)
Title: A novel or improved device for use when moulding up celery and the like
IPC: A01G13/10
Filed: 1919-05-27
Abstract: 149,102. Tonks, G. H. May 27, 1919. Plant protectors.- Appliances for protecting celery &c. while being earthedup comprise shields or covers adapted temporarily to surround the plants to keep out the soil, and made in two parts relatively movable. Fig. 1 shows a cylindrical sheetmetal shield consisting of two parts a hinged together at a<1> and provided with a spike c for holding it in place. The two parts a are stamped up at a<2> to form a fastening; or their edges may be flanged and secured by a spring or sliding clip. A modified shield consists of two semi-cylindrical parts adapted to slide into engagement with one another, and each provided with a cranked spike to enter the ground. The top edges a<3> may be curved outwardly.
Patent GB-699229-A (GB)
Title: Improvements relating to printing machines employing series-fed printing devices
IPC: B41L47/58
Filed: 1950-05-16
Abstract: 699,229. Addressing or like machines; printing- surfaces. ADDRESSOGRAPH-MULTIGRAPH CORPORATION. May 16, 1950 [May 31, 1949], No. 13259/52. Drawings to Specification. Class 100(ii) [Also in Group XIX] The subject-matter of this Specification is described in Specification 699,179, but the claims are directed to the qualifier unit.
Patent GB-143265-A (GB)
Title: Improvements in or relating to the manufacture of cardboard boxes
IPC: B65D5/44
Filed: 1920-05-14
Abstract: 143,265. Bovy, A. Feb. 13, 1919, [Convention date]. Corner joints and strengthening - pieces.- Boxes cf corrugated or other cardboard are formed with closed rounded corners, the rounding being effected by the employment of pressure in the application of the adhesive paper bends 9. One side a of the band 9 is first attached, say, to the box side 4, the other part b being then secured to the adjacent side 1 whilst exercising a strong pull on the band and exerting pressure on the box side. The bottom and cover are similarly secured.
Patent GB-552724-A (GB)
Title: Photo-electric phonograph
IPC: G11B7/00
Filed: 1941-10-17
Abstract: 552,724. Gramophone reproducing circuits. PHILCO RADIO & TELEVISION CORPORATION. Oct. 17, 1941, No. 13386. Convention date, Oct. 19, 1940. [Class 40 (iv)] [Also in Group XL] Mechanical records of constant-velocity type are reproduced by means of a photo-electric pick-up operated by a stylus, and since such a pick-up is inherently amplituderesponsive, its output includes a modifying or differentiating circuit for producing signals proportional to the velocity of the stylus. The pick-up shown in Fig. 3 comprises a light source 16, a photocell 18 and a mirror 17 carrying the stylus 22, the adjustment being preferably such that the light beam is normally half on and half off the cell. The light source is preferably fed with direct current or with alternating current of a super-audible frequency, and the photocell is of the barrier type which requires no external source of current. The output of the cell 18 is connected through a step-up transformer or auto-transformer 3 and condenser 4 to an amplifier 8, the output circuit of which comprises a load resistance 9 and a volume-control potentiometer 11, provided if desired with tone-correcting elements 12, 13, 14. The signal-modifying circuit consists of a condenser 6 and resistance 7 which are connected in parallel and are common to the input and output circuits of the amplifier 8. By suitable choice of values the gain may be made to vary with frequency in such a way that the output voltage' is proportional to the time derivative of that obtained from the pick-up. For records which are mainly of constantvelocity type but which are cut at constant amplitude below about 300 cycles, the gain may be made substantially constant at the lower frequencies by choosing the condenser 6 so that its reactance is large compared with resistance 7 at those frequencies. The response may be improved by the use of a second modifying circuit comprising the condenser 4 and a large resistance 5, the values of which may be determined by trial. Instead of associating the modifying circuit with the amplifier 8, a passive network may be employed comprising a series condenser 28 and shunt resistance 29, as in Fig. 4, with a small resistance 30 in parallel with the condenser 28 when the lower frequencies are recorded at constant amplitude. Specifications 552,019 and 554,043, [both in Group XL], are referred to.
Patent GB-1201669-A (GB)
Title: Improvements in and relating to gear hobbing machines
IPC: B23F5/16
Filed: 1968-03-20
Abstract: 1,201,669. Gear-cutting. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. 20 March, 1968 [8 April, 1967], No. 13484/68. Heading B3K. A machine for cutting spur or helically toothed internal or external gears by means of a pinion type cutter 12 II  has the cutter spindle axis FF adjustably inclined in a plane parallel to the workpiece axis WW and has the cutter displaced in its axial direction by a distance C from the common perpendicular to the axes. The cutter spindle is adjustable axially and secured by bolts 22 and is vertically displaceable by means of a feed carriage 17 on the frame 18. An optical sighting device 23 is used when adjusting the cutter <SP>12</SP>II to its desired position.
Patent GB-1424618-A (GB)
Title: Spraying devices
IPC: B05B11/00
Filed: 1973-03-21
Abstract: 1424618 Reciprocating pumps A F A CORP OF FLORIDA 21 March 1973 [22 March 1972] 13539/73 Heading F1A A spray pump comprises a housing 22 mounted on the neck of a container 24, a pumping chamber 54 connected to the container interior via a checkvalve 122 and a dip tube 116, and a piston 53 moved on its discharge stroke in chamber 54 by finger actuation of a spray button 58 which also operates a discharge valve 78, 80, a detent being provided to prevent opening of valve 78, 80 until a predetermined pressure has developed in chamber 54 to ensure atomization at nozzle 50, a flexible projection 130 on piston 53 opening inlet valve 122 towards the end of the discharge stroke to provide a sudden delivery cut-off. The detent for valve 78, 80 comprises a chordal portion on return spring 66 which engages beneath a shoulder 92 on the valve stem 68. Ports 78 in the valve stem are closed by a sealing ring 80 in the closed position of the valve. The pump has a removable cap 26. In Fig. 5 (not shown), housing 22 has internal screw threads for engaging an externally threaded container neck. In Figs. 6 and 7 (not shown), ballvalve 122 is held closed by resilient fingers (152) projecting from the pumping chamber bottom, projection 130 being thicker and co-operating with multi-tapered surfaces of the pumping chamber to open the ball-valve. In Figs. 9 and 10 (not shown), the ball-valve is spring-loaded. The piston may have a separate, press-fitted head portion.