baber/WOPTO huggingface dataset:
Patent GB-610337-A (GB)
Title: Improvements in or relating to web or sheet folding mechanism
IPC: B41F13/54
Filed: 1945-12-18
Abstract: 610,337. Paper-folding apparatus GOSS PRINTING PRESS CO., Ltd., Dec. 18. 1945, No. 34307. Convention date, Dec. 19, 1944. [Class 100(i)] In a sheet-folding cylinder such as is employed in printing-machines, the impaling pins 14 are carried by a shaft 11, preferably hollow, rotatable in arms 7 keyed to a camoperated shaft C, and are caused to move substantially in a straight line relatively to the cylinder during projection and retraction by arms 22 fixed to the shaft 11 connected by links 20 pivoted to a part ot the cylinder, e.g. supports 18 rigid with the hub 17. A series of closely-spaced seatings 10 for the pins 14 is provided at one end of the shaft 11 for varying the position of the end pins according to the width of sheet.
Patent GB-325575-A (GB)
Title: Safety valves
IPC: F16K17/10
Filed: 1928-11-22
Abstract: 325,575. Ross & Co., Ltd., R. L., and Hargreaves, W. Nov. 22, 1928. Safety-valves.-A spring loaded safety-valve is provided with means whereby a limited minor or semi-skilled adjustment may be effected, and with further safeguarded means whereby a major but still limited adjustment may be made. The adjusting member a for the spring 3 is screwed into the casing 1 and is provided with a flange a<1> adapted to co-operate with an adjustable setting .ring b screwed to the outside of the casing to limit the maximum adjustment. The ring b is permanently fixed in position after test by a pin b<1> secured by spot welding. A split adjusting- member c is clamped to the member a by a bolt c<2> secured by a seal and is provided with a stoppin c<3> working in a masked segmental slot a<3>. The members c is provided with an arm c<4> carrying a pin d arranged to work in a segmental slot in the ring b. The pin d which limits the amount of the minor -adjustment is secured by a seal. Specification 270,873 is referred to.
Patent GB-1444954-A (GB)
Title: Apparatus for supporting twin walled tubular sleeves during  severing
IPC: B23D21/14
Filed: 1973-07-19
Abstract: 1444954 Shearing; grinding J O KING JNR l9 July 1973 [24 July 1972] 34369/73 Headings B3W and B3D [Also in Division B4] Apparatus for supporting thin walled tubular sleeves during severing to length comprises a stepped plate 10, which has a plane surface 16, an opposed stepped face comprising portions 15 each parallel with the face 16 and at least one passage 18 through each step portion 14 to receive as a close fit a sleeve S to be severed and an internal support member 20 with an adjustable stop 21 for positively locating a selected length of the member 20 relative to the plate. As shown, Fig. 1, in each portion 14 a passage 18p is cylindrical and passages 18s and 18t have flared end portions of different depths to accommodate sleeves with countersunk heads F1 (Fig. 4, not shown). A sleeve is inserted in the selected passage with the length to be trimmed projecting from the face 16 and the member 20 within the sleeve and located by the stop 21 so that it extends through the passage as far as the face 16. The projecting sleeve length may be located in an apertured cutter which is reciprocated to shear it off. The shear may be replaced by a belt sander, a saw or a skiving wheel. Alternatively, the unwanted length may be broken off by a hand tool 40 which has a mandrel 50 for insertion into the sleeve up to the face 16 of the plate 10, and a clamp 55. Two similar plates 101, 110, Fig. 9, may be mounted in a frame 108 with their plane faces abutting, plate 110 being slidable in grooves 109 to vary the thickness of the composite plate.
Patent GB-210933-A (GB)
Title: An improvement in apparatus for operating bulkhead doors on ships
IPC: B63B19/00
Filed: 1922-12-19
Abstract: 210,933. Blakeborough, R. A., and Reed, G. H. Dec. 19, 1922. Operating doors hydraulically and by toothed-gear mechanism and by weights; checks.-A bulkhead door, normally operated by hydraulic pressure, is arranged to be maintained automatically in the opened position by the engagement of friction surfaces should the pressure in the hydraulic system fail. For this purpose, a lever a pivotallv mounted at b is connected to a friction member c slidable on a key d of a shaft e operatively connected as by bevel gear to the bulkhead door. The free end of the lever is acted upon by an adjustable spring g, but the pressure is overcome normally by the hydraulic pressure of the system acting through a piston i. Should the fluid pressure fail, the spring g moves the lever a and forces the member c into engagement with a fixed friction member f on, say, the adjoining bulkhead. The door is thus prevented from closing under its own weight and operating the door operating-gear backwardly. The door can be released locally by a screwed rod k or from a distance by a connection j.
Patent GB-841977-A (GB)
Title: Improvements in and relating to polymeric compositions
Inventor: MCCARTY JOHN CHARLES
IPC: C08L35/04
Filed: 1958-10-29
Abstract: A polymeric composition comprises a blend of equimolar vinylidene cyanide-vinyl acetate copolymer with from 6 to 15% by weight of the total polymer of a homopolymer or copolymer of a vinyl pyridine.  The vinyl pyridine may be 2-, 3- or 4-vinyl pyridine or a vinyl substituted alkyl pyridine, and may be copolymerized with vinyl acetate, acrylonitrile, styrene or methylmethacrylate, the copolymer containing at least 60 mol per cent of the vinyl pyridine.  The blend of polymers is dissolved in a solvent such as dimethylformamide, acetonitrile or a mixture of acetonitrile and water, and spun into fibres which may be dyed readily.  Examples are given.  Specification 681,120 is referred to.
Patent GB-812325-A (GB)
Title: Improvements in or relating to agricultural machines for use as seed planters and/orfertiliser distributors
IPC: A01C15/00
Filed: 1957-11-06
Abstract: 812,325. Seed planters, fertilizer distributers. STOKLAND, S. Nov. 6, 1957 [Nov. 7, 1956], No. 34608/57. Addition to 788,214. Class 6(1). A seed or fertilizer distributer as set out in the parent Specification is provided with a stirring member comprising a radially projecting arm 6 provided with an upwardly inclined extension 7 which projects in a direction opposite to that in which the funnel 3 rotates. The stirring member may also be formed from a circular rod. The stirring member is fixed on a shaft 2 and rotates with the funnel 3.
Patent GB-871048-A (GB)
Title: Improvements in nitration of aromatic compounds
IPC: B01J19/18
Filed: 1958-10-29
Abstract: A continuous process for nitrating carbocyclic and heterocyclic organic compounds of aromatic nature with nitric acid and sulphuric acid, wherein the reaction mixture comprising the aforesaid materials is circulated through a heat exchanger by mechanical means and cooled therein and a portion of the reaction mixture after passage through the heat exchanger is withdrawn and the remainder with introduction of additional quantities of the starting materials is recirculated to said heat exchanger, is characterised by the fact that the reaction mixture is circulated in a turbulent flow through the heat exchanger at such a velocity that there is produced at least 2 pounds of the nitrated product per hour and per gallon of the reactor capacity. The process may be employed in the nitration of benzene and toluene, to obtain mono- and dinitrobenzenes and mono-, di-, and trinitrotoluene and in the nitration of substituted benzenes, e.g. alkyl and polyalkyl benzenes, naphthalene, substituted naphthalenes, styrene, pyridine, aminopyridine, picoline, aminopicoline and quinoline.  Examples are furnished relating to the preparation of nitrobenzene from benzene, mono- and dinitrotoluene from toluene, trinitrotoluene from dinitrotoluene and 2,4,6-trinitrophenylmethylnitramine from dinitromethylaniline. Dichloroethylene is employed as solvent in the latter process to facilitate separation of the desired product from the spent acids. Apparatus for carrying out the process is described.  The apparatus includes a circulation loop, means for introducing a mixture of reactants into the loop and for withdrawing reaction products, a heat exchanger within the loop for cooling the reacting mixture and means for recirculating the reaction mixture, in particular a centrifugal pump.  A multi stage apparatus comprising a plurality of such units is described also.
Patent GB-1066554-A (GB)
Title: Driving yarn false-twist spindles
Inventor: NESBITT-DUFORT TIMOTHY
IPC: D02G1/06
Filed: 1962-10-23
Abstract: The apparatus is the same as that described in Specification 1,066,553, but the claims differ.
Patent GB-507495-A (GB)
Title: Improvements in oscillatory circuit arrangements for modulated ultra-short waves
IPC: H03F1/08
Filed: 1937-12-15
Abstract: 507,495. Valve circuits for modulation and wireless reception. RADIOAKT.- GES. D. S. LOEWE. Dec. 15, 1937, No. 34742. Convention date, Dec. 21, 1936. [Class 40 (v)] A tunable coupling circuit for television signals comprises an inductance 1 arranged in series with the inter-electrode valve capacity 3 and the variable tuning condenser 2. The inductance is preferably shunted by a damping resistance equal to half the impedance of the inter-electrode capacity at the maximum modulation frequency. Fig. 3 shows a grid modulating arrangement in which the carrier source is coupled to the inductance 1 and the modulating potential is applied through a choke 9 of small reactance compared with the reactance of the tuning condenser 2. Fig. 4 shows a push-pull arrangement in which the damping resistances may equal the impedance of the inter-electrode capacity 3 at the highest modulating frequency and the tuning condenser 2 is isolated from earth. Fig. 5 shows a superheterodyne receiver. The coupling between the amplifier 8 and the frequency changer 18 comprises a band-pass filter utilizing two series resonant circuits so tightly coupled as to give the necessary band width and with the windings so arranged that the capacitative coupling assists the magnetic coupling so that the band width is maintained throughout the tuning range. A double humped characteristic may be produced and compensated for by the use of a single series resonant circuit in cascade. The condensers of the band filter and of the additional circuit may be gang tuned with, if desired, the condenser 19 of the local oscillator.
Patent GB-1037437-A (GB)
Title: Improved hydraulic amplifier
IPC: B64C13/24
Filed: 1963-09-03
Abstract: 1,037,437. Fluid-pressure servomotor systems. BOLKOW G.m.b.H. Sept.3, 1963 [Sept. 12, 1962], No. 34767/63. Heading G3P. A hydraulic servopiston 3 is positioned in accordance with the angular position of a rotary control valve 11 which has supply and exhaust conduits 13, 23 opening to helical grooves 15, 25. The piston 3 has pressure passages 17, 20 running from its opposite sides to holes which normally lie on either side of the groove 15, and exhaust passages 27, 30 leading to holes on either side of the groove 25. The valve 11 is rotated under control of an electromechanical device 80 which operates a rotary valve 40 with chambers 41, 61 Fig. 2 (not shown) connected through a drilling 36 with the supply conduit 13, and fluid flows from these chambers to four chambers 50, 55, 60, 65 bounded by elements 38, 39 secured to the valve 11 and elements 51, 71 fixed to the housing. From these four chambers the fluid escapes through arcuate capillary passages to exhaust passages 45, 75, and the arrangement is such that the elements 38, 39 move in proportion to the deflection of the valve 40 from its neutral position.
Patent GB-1118463-A (GB)
Title: Improvements in or relating to eddy current couplings
IPC: H02K49/04
Filed: 1965-08-13
Abstract: 1,118,463. Magnetic coupling. SANGAMO WESTON Ltd. 13 Aug., 1965 [1 Sept., 1964], No. 34793/65. Heading H2A. In an eddy current coupling, having a circular eddy current member 94 of thin non-magnetic electrically conductive material secured to a driven member 72 and first and second rings of separate angularly spaced pole members 56 and 62 of ferromagnetic material coupled to a driving member 46, the respective pole members 56, 62 of the first and second rings are disposed in spaced aligned relationship to one another on opposite sides of the eddy current member 94 and a ferromagnetic stator 24 has a coil 34 to provide spaced polar regions of opposite magnetic polarity which lie in close spaced relationship respectively to the pole members 56 and 62 of the first and second rings. The driving rotor 50 is driven from an electric motor 44 coupled to a shaft 40 on which the rotor 50 is mounted. Between the polepieces 56, 62 is an aluminium drum 94 of the driven rotor 92 which is mounted on an insulating hub 86 coupled to the capstan 74 of a magnetic tape transport. Speed control of the tape transport.-The speed of the driven rotor 92 and capstan 74 can be adjusted by varying the current through the field winding 34 or by varying the loading effect on a non-magnetic disc 98 of an eddy-current brake 100. In the recording mode of the magnetic tape transport a toothed timing gear 102, which is magnetically shielded by disc 104 and shroud 106, generates in an associated pick up device (not shown) a voltage which may be compared with a reference crystal oscillator so as to control the eddy current brake 100 and maintain the speed of the capstan constant. In the playback mode, either a standard reference frequency signal recorded on the tape or the voltage produced by the timing gear is compared with the crystal oscillator to control the brake.
Patent GB-1175964-A (GB)
Title: Improvements relating to moving object tracking systems.
Inventor: ACKROYD JOHN
IPC: G01S3/781
Filed: 1966-08-03
Abstract: 1,175,964. Selective signalling. BRITISH AIRCRAFT CORP. Ltd. 3 Nov., 1967 [3 Aug., 1966], No. 34832/66. Heading G4H. [Also in Division H4] Specification describes an optical method of tracking an object in a field of view, comprising scanning the field of view and object to produce a "total" video signal and comparing successive sections of said total video signal with a reference video signal representative of the object above. Successive line scans of the object are initially made and the resulting video signals are converted into reference binary signal, e.g. 11001, and stored. Corresponding line scans are made of the field of view and object and the resultant video signals similarly converted into total binary signals, e.g. 101011100100001. The fifteen digits of each total binary signal are fed to the corresponding column conductors A-P of a magnetic matrix store. The five digits of the corresponding reference binary signal are fed to the corresponding row conductors F<SP>1</SP>-J<SP>1</SP> of said store. Each conductor feeds two lines one via an invertor (those with a bar above the reference letter) such that a 0 digit will be converted to a 1 digit thereon. With the above cited total and reference binary signals column lines A.#B.C.#D.E.F.G.#H.#I.J.#K.#L. M.N.P, and row lines F<SP>1</SP>, G<SP>1</SP>.#H<SP>1</SP>.#I<SP>1</SP>.#J<SP>1</SP> are energized. At the junction of each column and row line the magnetic element is only switched from an initial 0 state to a 1 state if signals are present on both lines. Destructive read out wires thread diagonally through the matrix and produce signal proportional to the number of switched elements. The wire V6 encounters switched elements F/F<SP>1</SP>.G/G<SP>1</SP>.#H/#H<SP>1</SP> #I/#I<SP>1</SP> J/J<SP>1</SP> and thus gives a maximum possible output indicating to maximum detecting apparatus that the object is situated in region F-J of the total field of view. To determine the vertical position of the object within the field of view, the total line scan during which said maximum possible output is detected is determined.
Patent GB-732650-A (GB)
Title: Peat spreader
Inventor: SAMUELSSON GUNNAR MAGNUS
IPC: E21C49/00
Filed: 1953-12-15
Abstract: 732,650. Peat spreaders. AKTIEBOLAGET HISSFABRIKEN. Dec. 15, 1953, No. 34833/53. Class 50. Peat dug from a bog by a vertical milling cutter 2 drawn by a tractor 1 is extruded through a nozzle 4 so as to be directed tangentially on to the peripheral shelves 8 of a frame 9 rotatably mounted on a fixed shaft 16, supported from the tractor. The shelves which when unfilled are maintained horizontal by springs 10 are caused by the peat deposited thereon as short lengths cut up by transverse walls 14 to tip downwardly and discharge the lengths on the ground. Rollers I beneath the shelf being loaded keep it horizontal until the full length of peat has been deposited. A brake arm 19 actuated by a screw 20 may bear on a disc 18 on the frame to control the resistance offered to the peat and thereby its compression.
Patent GB-636012-A (GB)
Title: Wind or water driven turbine
IPC: F03D3/04
Filed: 1947-12-30
Abstract: 636,012. Wind-motors: hydraulic turbines. AMBJORNSON, G. A. Dec. 30, 1947, No. 34857. Convention date, Dec. 15, 1941. [Class 110(iii)] In a wind or water turbine, two rings of blades 4, 5, are arranged so that the driving fluid is directed by a blade in one ring on to the next blade in the other ring and so on and thereby takes a generally circular course through that half of the rotor which is moving in the direction of the stream. The blades 4 may have a curved profile. The rotor may be enclosed in a tunnel with a single guide plate masking the ineffective half of the rotor. Specification 376,663 is referred to.
Patent GB-379178-A (GB)
Title: Toy-aeroplane
IPC: A63H27/00
Filed: 1931-12-16
Abstract: 379,178. Toy aeroplanes. NOBLE, A. E., Avenue de Grenoble, Brianþon, Hautes-Alpes, France. Dec. 16, 1931. No. 34862. Convention date, March 18. [Class 4.] The fuselage of a toy aeroplane consists of a thin sheet of metal bent into the form of a triangular pyramid, the base of which is disposed at the top and the lower edge of which is obtained by clamping together the edges of the metal sheet. The clamping of the sheet of metal forming the fuselage 1 is effected as shown in Figs. 5 and 6. The fuselage is reinforced by wires 10, 11 bent to form loops 101, 11<1> the ends of which project through the fuselage sides and the upper ends 10<11>, 11<11> project through the top and provide attaching means for wings 2. These are of sheet metal with beaded edges 12, 13. The trailing edges are secured by passing the extremities 11<11> of wires 11 through holes in the beads 12 and then flattening them, Fig. 4. The leading edges are secured by bent back ends 10<11> of wires 10 which engage in holes 14 of beads 13, being engaged by bending the wing transversely. The wings may be freed in a similar manner and hinged back about the wire ends 11<11> for storage. Wing bracing means comprise struts 7 of bent wire passed through the loops 11<1> and engaging with the beads 12, 13. Tail plane 3 and rudder 4 are secured by inverted T-shaped clips. The fuselage is partially closed at the front end by a metal band 15 slit at 19 for receiving the propeller spindle and held in position together with a hook member 17 by metal clasp 16, Fig. 7. A rod is passed through the band 15 at 15<1> and bent to form a support for wheels 5 and is located in its working position, from which it can be fixed for folding, by engagement with hooks 17. The propeller spindle carries a thrust washer engaging with band 15, which acts as a spring, and is driven by an elastic cord 24 anchored to a hook 23 clamped to the fuselage.
Patent GB-1523059-A (GB)
Title: Electrical capacitors
IPC: H01G2/06
Filed: 1976-08-20
Abstract: 1523059 Capacitors SPRAGUE ELECTRIC CO 20 Aug 1976 [21 Aug 1975] 34891/76 Heading H1M In a ceramic disc capacitor at least one electrode layer 16 is partially covered with a layer 20 of insulating abrasive material and leads 24, 25 are soldered to the uncoated portions of the electrodes, the capacitance being adjusted by air-abrasion of a portion 30 of layer 20 and the underlying electrode layer. As shown, layer 20 is annular and overlaps the edge of electrode layer 16.
Patent GB-1191866-A (GB)
Title: Safe Load Indicating Device particularly for use with Jib-Cranes
Inventor: AITKEN ROBERT LOUDON
IPC: B66C23/90
Filed: 1967-07-28
Abstract: 1,191,866. Safe load indicators for jib-cranes. B. & A. ENG. CO. Ltd. 26 June, 1968 [28 July, 1967], No. 34927/67. Heading B8B. In a safe load indicator for a jib-crane an hydraulic pressure gauge 100, which indicates the overturning moment, is operated by pressure fluid from a conduit 14 connected to an hydraulic unit acted on by the hoist rope. This fluid operates a piston and cylinder device 15, pivoted levers 11, 8, which are interconnected by a movable fulcrum 9, and a piston and cylinder device 1 connected to the pressure gauge. To compensate the gauge reading for jib angle, the fulcrum 9 is moved by a rod 20 actuated by a lever and cam linked to the jib, Fig. 4 (not shown). Several cams, which are manually selectable, may be provided if the crane has a jib of adjustable length. The hydraulic circuit is compensated for changes in ambient temperature.
Patent GB-1275955-A (GB)
Title: Improvements in or relating to flat-tanged cutlery
Inventor: SANDERS ALBERT
IPC: B26B3/02
Filed: 1969-07-11
Abstract: 1275955 Cutlery SANDERS & BOWERS Ltd 8 Sept 1970 [11 July 1969] 34930/69 Heading B4K A flat-tanged article of cutlery comprises a handle 10 having an end slit 12, a round hole 13 having a diameter equal to the width of tang 3 and a counterbore 16; the tang is held in the handle by a plug 17 which screws on to the end 19 of the tang. Initially the plug is longer than the counterbore but after fitting the excess length is removed. Slit 12 receives a portion of the shank 4. The handle is plastics or other non- metallic material and the tang may only extend about half the length of the handle, the counterbore then being correspondingly longer.
Patent GB-297262-A (GB)
Title: Improvements in and relating to easter soap eggs
IPC: A45D34/02
Filed: 1927-12-24
Abstract: 297,262. Nichols, E. G. Dec. 24, 1927. Soap tablets &c.-An Easter soap egg containing a bottle of scent c or other gift or gifts is divisible into 2 or more parts a, b along irregular lines h, the gift fitting tightly into each part.
Patent GB-1120999-A (GB)
Title: Improved meter housings
IPC: G01R11/04
Filed: 1965-08-16
Abstract: 1,120,999. Meter housings. I.J. KIGHTLEY. Nov.15, 1966 [Aug. 16, 1965], No.35026/65. Heading G1Q. A housing, designed for insertion into an outer wall of a building to accommodate a meter such as an electricity meter required to be accessible from outside the building, consists of a sleeve 11 having an internal flange or shoulder 16 for supporting a meter board 20, the axis of the sleeve being so inclined to the plane defined by the flange or shoulder that when the assembly is mounted in a wall the roof of the housing slopes downwardly from the board to the outside of the wall. In Fig. 1 the board constitutes a partition between two halves of the housing. One side 20a of the partition carries the meter 21 and other apparatus required to be accessible to the supply authority, and on this side the housing has a door 28 opening on to the outside of the cavity wall 12 in which it is mounted. On the other side 20b are mounted the consumer's terminals and switch box. Both the roof and floor of the outer compartment slope downwardly toward the outside, to protect the meter and other apparatus on the board from moisture contamination. Figs. 3 and 4 (not shown) depict a box generally corresponding to the left hand half of the box of Fig. 1 and consisting of a sleeve open at its outer end and flanged at its inner end to receive a back board corresponding to the board 20 of Fig. 1.