baber/WOPTO huggingface dataset:
Patent GB-166777-A (GB)
Title: Device for packing and protecting safety razor blades and the like
IPC: B65D83/10
Filed: 1920-05-20
Abstract: 166,777. Thompson, G. R. May 20, 1920. Packing safety - razor blades and the like.-A plate a, Fig. 1, carries a screwed spindle c adapted to pass through the centre aperture of the blades and through a hole d in the opposite plate b. Pins e, f on the plate b, pass through the end holes of the blades and may pass through holes g, h. When the blades are in position, the whole is secured by a wing nut k. In a modification, Fig. 3, spring clips e<1>, f<1> co-operate with holes g<1>, h<1> to secure the blades and a projection c<1> passes through the central holes and through a hole d' in the plate b. The ends and edges of the plates may be so shaped that they do not register, to facilitate manipulation.
Patent GB-564250-A (GB)
Title: Improvements in or relating to thermionic valve amplifier circuit arrangements
IPC: H03F3/44
Filed: 1940-09-07
Abstract: 564,250. Valve amplifying circuits. WHITE, E. L. C. Sept. 7, 1940, No. 13972. [Class 40 (v)] In an amplifier of the cathode follower type, the load in the cathode circuit of the valve 2 comprises a further valve 3 which has applied to its grid the signals developed in the anode / cathode path of the main valve and feeds the load in opposite phase to the valve 2. As shown, pentode valves are used, feeding a capacitive load 5 such as the modulating electrode of a cathode-ray tube. The output impedance may be substantially less than the inverse of the valve mutual conductance, and if a low voltage output swing, as when feeding a concentric cable, is required, triode valves may be used, Fig. 1 (not shown). The applied steady potentials may be such that the steady current is one-tenth of the peak current so that positive signals cause valve 2 to supply current to the load and negative signals cause the load current to be supplied by valve 3. The positive signals may be picture signals and the negative signals synchronising signals in a television system. A resistance may be provided in the cathode circuit of valve 3 to linearise its operation by negative feedback.
Patent GB-402078-A (GB)
Title: Process for manufacturing mixtures enriched in oxygen from air
IPC: F25J3/04
Filed: 1932-05-17
Abstract: <PICT:0402078/III/1> <PICT:0402078/III/2> A liquid mixture rich in oxygen, obtained in the base of a rectifying column, is conveyed through a pipe K with a regulating valve M to the top of a vaporizer B, the liquid and the gas resulting from its vaporization passing down together to the bottom, where the liquid is completely vaporized and the gas formed passes away by an outlet G. Air entering the column at the points U, Y passes upwards between the vaporizer elements, and is partly liquefied, nitrogen passing off at the top and oxygen falling to the base.  The vaporizer comprises corrugated double tubes, the liquid being spread along the walls by metallic gauzes T pressed against them by bent plates D.  The process may be applied to the richer oxygen obtained in two-stage rectification. The air may be introduced into the rectifier after passing over and being liquefied by a vaporizer which may in this case be arranged so that the gas flows upwards and carries the liquid with it, to be completely vaporized as it reaches the top.
Patent GB-901832-A (GB)
Title: Code converter and storage device
IPC: H03M11/20
Filed: 1961-04-19
Abstract: 901,832. Digital electric calculating apparatus. NATIONAL CASH REGISTER CO. April 19, 1961 [April 21, 1960], No. 14087/61. Class 106 (1). [Also in Group XXXIX] A keyboard input and store for data processing apparatus comprises four groups of bi-stable magnetic cores 11-14, 21-24, 31-34 and 41-44, each core being set by passing half currents through a row winding 25, 26, 27 or 28 and a column winding, and the arrangement is characterized by the fact that the keys in each set 15, 16, 17 or 18 are each arranged to selectively connect the corresponding row winding in series with an appropriate combination of column windings so that a combination of cores is set to represent the binary equivalent of the decimal digit appropriate to the key pressed. For example, if a key representing decimal digit " 3 " in set 17 is pressed, contact 47 is moved on to contact 78, and when switch 19 moves on to contact 36, winding 27 is energized in series with the 2 and 2<SP>1</SP> column windings. In this manner four binary-coded decimal digits are entered into the store in succession from keyboard 15-18. When switch 19 reaches contact 39, mono-stable circuit 29 is triggered to cut off transistor 49, remove earth from the input windings and allow switch 19 to be reset without disturbing the stored data. Each core has an individual read-out winding 57-72 and a winding 73 common to all cores. Sequencing circuit 56 energizes windings 57-72 in turn to effect a sixteen-bit serial read-out on lead 75, 76.
Patent GB-1358036-A (GB)
Title: Air reconnaissance television camera
IPC: G01C11/00
Filed: 1973-03-23
Abstract: 1358036 Aerial reconnaissance television camera arrangement GRUNDIG EMV-ELEKTRO-MECHANISCHE VERSUCHSANSTALT MAX GRUNDIG 23 March 1973 [23 March 1972] 14184/73 Heading H4F Aerial reconnaissance apparatus comprises a television camera 3, and a mirror 2 inclined to and pivoted in a stepwise manner about the cameras optical axis 4 by means of a programmecontrolled stepping motor (not shown) driving spindle 1. In addition a code signal denotive of the instantaneous pivotal position of the mirror is generated and transmitted with the television picture signal developed by the camera. The code signals preferably comprises digital code pulses which are added to the television signals within the blanking intervals and recorded in oblique tracks on a magnetic tape. The code signals enable the pictures such as 11 to 15, 21 to 25 to be correlated. The code signals may also contain information regarding the time of reconnaissance, aircraft flight information and information about the strip of land covered. A high-speed shutter may be located in front of the camera which is opened only while the mirror is stationary between two stepping movements. The mirror may also be arranged to pivotally move about an axis perpendicular to the direction of aircraft flight to compensate for movement over the terrain of the aircraft i.e. the mirror may be rocked to hold the image of the terrain stationary during observation, the shutter only being opened during the rocking movement and not during its return movement. Individual picture signals on the magnetic tape may be located with the aid of the code signal or additional information on the tape margin.
Patent GB-277070-A (GB)
Title: Improvements in or relating to shaping or feeding glass
IPC: C03B17/06
Filed: 1926-06-04
Abstract: 277,070. Wade, H., (Empire Machine Co.). June 4, 1926. Drawings to Specification. Faced refractory blocks.-Blocks for building a tank furnace for making glass have their faces which are in contact with the molten glass, covered with a layer of fused silica.
Patent GB-1496134-A (GB)
Title: Moving coil instrument
IPC: G01R5/08
Filed: 1975-04-01
Abstract: 1496134 Moving coil instruments HEALEY METERS Ltd 1 April 1975 [30 March 1974] 14236/74 Heading G1U A moving coil instrument having an annular outer polepiece 14 and an inner cylindrical polepiece 13 also includes means for adjusting the positions of the polepieces relative to each other to ensure a linear response for the moving coil 10, part of which 11 lies in the gap between the polepieces. After the adjustment has been made, by means of grub screws 23 bearing on a permanent magnet 20 between the polepieces, the assembly is stuck together with adhesive.
Patent GB-353124-A (GB)
IPC: C09B57/12
Filed: 1930-05-09
Abstract: Naphthalene, dyes derived from.-The separation of the mixtures of isomeric 1 : 4 : 5 : 8-naphthoylenediarylimidazoles obtainable according to Specifications 237,294, 265,232, and 265,964, [all in Class 2 (iii), Dyes &c.], into their constituents is effected by converting the dyestuffs into their salts and making use of the different solubilities of the latter in organic solvents, particularly chloracetic acid.  The salts formed by treating the dyestuffs with hydrochloric, hydrobromic, or sulphuric acids are most suitable for the purposes of the invention.  The separation of the mixtures of dyestuffs obtainable by condensing 1 : 4 : 5 : 8-naphthalene-tetracarboxylic acid or its anhydride with the following compounds is described in examples:-1 : 2-diaminobenzene and its 4-methyl-, 4 : 5-dimethyl-, 4-chlor-, 4-brom-, 4-nitro-, 4-methoxy-, 4-ethoxy-, 3 : 5-dimethyl-, 4-chlor-5-brom-, and 4 : 5-dichlor-derivatives, and 1 : 2-diaminonaphthalene. 4-Chlor-5-brom-1 : 2-diaminobenzene is made by brominating m-chloracetanilide, nitrating the 2-acetylamino-4-chlor-5-brombenzene obtained, and saponifying and reducing the product.  4 : 5-Dichlor-1 : 2-diaminobenzene is made by acetylating 4 : 5-dichloraniline, and nitrating, saponifying, and reducing the product.
Patent GB-517018-A (GB)
Title: Improvements in or relating to variable pitch propellers and method of varying the pitch of a propeller
IPC: B64C11/44
Filed: 1938-05-13
Abstract: 517,018. Variable-pitch propellers. TENNANT, W. J. (Aviation Patents, Inc.). May 13, 1938, No. 14368. [Class 114] The propeller blades are moved' from the position of high pitch to low or vice versa by gearing carried by and rotating with the propeller hub, this gearing being brought into operation by an electromagnetic brake. Two annular toothed rings 80, 98 rotate freely with the propeller unless one or other is selectively braked by the electro-magnets 112, 113 attracting the resiliently supported rings 87, 102. A pinion engaging both rings is thus rotated to turn the propeller blades through worm gearing. Stops on the rings limit the travel to definite'low and high pitch positions. The period of actuation of the magnets is limited by a switch 133 which comprises a piston 146 pushed inwards by a handle 139. When this is returned outward by the spring 151 the .consequent lowering of air pressure moves the free piston 155 inwardly this actuating the switch 142 until the air pressure rises due to air entering through the adjustable and restricted passage 148. Specification 517,013 is referred to.
Patent GB-721969-A (GB)
Title: Improvements relating to the manufacture of wire drawing dies
IPC: H01J37/31
Filed: 1952-06-06
Abstract: 721,969. Perforating by fusion. DEUTSCHE GOLDUND SILBER - SCHEIDEANSTALT VORM. ROESSLER. June 6, 1952 [June 6, 1951], No. 14369/52. Drawings to Specification. Classes 83 (2) and 83 (4). The passages of wire drawing dies of natural or artificial precious stones, hard metals, or sintered products of high melting-point oxides are produced by a bombardment with electron or other corpuscular beams, in which the kinetic energy of the corpuscles is sufficient for vaporizing the die material at the point of impingement. The required shape of the passage may be obtained by the use of shaped cathodes, electronic lenses, or apertured diaphragms, together with, or alternatively by, variation of the focal lengths of lenses, or relative movement of the dies and electron beam or lenses. The process is preferably carried out in a low pressure atmosphere of air or an inert gas, and examples are given. Since the intensity of the beam falls to zero through a narrow marginal zone of the beam, a thin layer of the marginal zone of the passage is fused without vaporizing and the internal face of the passage is therefore smooth.
Patent GB-706084-A (GB)
Title: Improvements in photographic materials containing dialkylaminobenzylidene dyes
IPC: G03C1/83
Filed: 1950-09-25
Abstract: P-Cyanoacetylphenylacetic acid is prepared by adding aqueous potassium cyanide solution to an ethanol solution of p-chloroacetylphenylacetic acid, heating, chilling, and acidifying. P-Aminobenzoylacetonitrile is prepared by adding aqueous potassium cyanide to a methanol solution of p-chloracetylaniline and acidifying.ALSO:a-Benzoyl-a-(p-diethylaminobenzylidene)-acetonitrile is prepared by refluxing together benzoyl-acetonitrile, p-diethylaminobenzaldehyde, ethanol, and piperidine. a-(p-Diethylaminobenzylidene)-a-(3 : 4-dihydroxybenzoyl)-acetonitrile, a-(p-aminobenzoyl)-a-(p-di-n-propylaminobenzylidene) -acetonitrile, a-(p-aminobenzoyl) - d  - (p - diethylaminophenyl) - 2 : 4 - pentadienoic nitrile, a - (p-aminobenzoyl -a-(p-diethylaminobenzylidene)-acetonitrile, a-(p-carboxymethylbenzoyl)-a-(p-diethylaminobenzylidene) -acetonitrile, a-benzoyl-d -(p-diethylaminophenyl)-2 : 4-pentadienoic nitrile a-(p-diethylaminobenzylidene) - a - (p - hydroxybenzoyl) - acetonitrile and a-(di-n-propylaminobenzylidene)-a-(p-hydroxybenzoyl)-acetonitrile are similarly prepared.  The following dyes are prepared by acylation of the corresponding dyes containing a non-acylated amino group: a-(p-di-n-propylaminobenzylidene)-a-(p-phenylsulphonamidobenzoyl) -acetonitrile, a-(p-di-n-propylaminobenzylidene)-a-(p-methylsulphonamidobenzoyl) -acetonitrile, a-(p-di-n-propylaminobenzylidene) - a - (p-ethylsulphonamidobenzoyl)-acetonitrile, a-(p-diethylaminobenzylidene)-a-(p-propionamidobenzoyl) -acetonitrile, a-(p-diethylaminobenzylidene) - a - (p-acetamidobenzoyl)-acetonitrile, a-(p-diethylaminobenzylidene)-a-(p-isobutylamidobenzoyl - acetonitrile, and a-[p-(b -carboxypropionamido) -benzoyl]-a-(p-di-n-propylaminobenzylidene)-acetonitrile. Specifications 15055/12, [Class 98(ii)], 447,092, 524,154, 540,365, 541,589, [all in Group XX], 654,267, [Group IV(a)], are referred to. The dye a - [p-(b  - carboxypropionamido)-benzoyl]-a-(p-di-n-butylaminobenzylidene) -acetonitrile also is referred to.
Patent GB-963194-A (GB)
Title: Improvements in or relating to pedals
Inventor: ADCOCK FREDERICK ARTHUR
IPC: B62M3/08
Filed: 1962-04-14
Abstract: 963,194. Cycle pedals. RALEIGH INDUSTRIES Ltd. Jan. 28, 1963 [April 14, 1962], No. 14514/62. Heading B7E. A pedal assembly comprises two U-shaped elements 11 secured in opposed end-to-end relation upon a pedal barrel 12 by spot-welding a stepped lip 11a<SP>1</SP> provided on one limb 11a of each element 11 to the adjacent limb 11b of the other element 11. The base 11c of each element 11 is formed with a cup 11d for a pedal spindle bearing 18 and with a flange 11d<SP>1</SP> for receiving the barrel 12. Pedal blocks 15 are secured to the elements 11 by decorative retaining strips 16 and screws 14. The limbs 11a, 11b of the elements 11 may be of unequal length.
Patent GB-331980-A (GB)
Title: Improvements in or relating to starting switches for use with electric motors
IPC: H01H73/28
Filed: 1929-05-10
Abstract: 331,980. Midland Electric Manufacturing Co., Ltd., and Barber, W. L. May 10, 1929. Controllers with overload and no-volt release.- A thermally-operated overload release comprises comprises a bi-metallic strip 10 which, when heated by excessive current, lifts the end 19 of a pivoted and spring-pressed lever 19<a> and so breaks contact with an adjustable member 22; the mechanical advantage of the lever 19<a> enables a fine setting of the lower end of the member 22 over a scale 26 to be made. The contact broken is in the circuit of the no-volt release coil 3C which thus releases a plunger 29 to engage a projection 28b and lift a trip 28<a> from engagement with the controller handle 14 which returns under the action of a spring to the off position; a steel block 31 and brass washers 31<a> ensure quick action. A star-delta controller is shown in Fig. 1 in which the controller handle operates pairs of contact plates 12<a>, 12<b> on the shaft 13, and 3 bi-metallic strips 10, one for each phase, are arranged to be in circuit in the full-running position and pivoted levers 19<a> are duplicated and connected by a bar 19b which is lifted by the strips 10 on overload. A notched disc and paw: prevent the handle from being turned at starting into the full-running position, but after starting a projection on the disc allows the handle to be moved back past the off position to the full. running position.
Patent GB-319225-A (GB)
Title: Improvements in or relating to charge-forming devices for internal combustion engines
IPC: F02M25/022
Filed: 1928-05-18
Abstract: 319,225. Critchlow, W. G. May 18, 1928. Charge, moistening; induction pipes, extra air valves and fittings for. - A device adapted to admit water vapour with or without air to the mixture passing to the engine comprises a chamber 24 connected by a conduit 45 to a flange 46 secured between the carburettor outlet 20 and the induction pipe 47, water vapour being supplied to the chamber through an inlet 25 connected to the overflow pipe of the radiator through a moisture trap provided with a gravity-closed valve. The chamber 24 is provided with a central tube 33 communicating with the conduit 45 and provided with a transverse partition 39, a large perforation 40 and a small perforation 41 being provided in the tube respectively above and below the partition. A spring-loaded suction-actuated air inlet valve 36 is provided at the upper end of the tube 33, the air admitted when the valve is opened passing through the perforation 40 and being drawn along with water vapour through the perforation 41 into the outlet conduit 45, which is provided with an additional air inlet port 42 controlled by a manually-operated ported ring 43. The outlet 48 of the conduit 45 terminates in a depression 49 through which condensed fuel drains into the conduit 45 when the engine is stopped, this fuel acting as a reserve for starting. A gauze screen 50 is provided on the carburettor side of the flange 46. In a modification, the additional air is admitted to the conduit 45 through a rotary ported tube either manually operated from a distance through a flexible cable or automatically-controlled by a piston operated by the pressure of the exhaust gases, the inlet of the tube being provided with a gauze filter and a manually-operated hit-and-miss valve.
Patent GB-1067402-A (GB)
Title: Improvements in or relating to a hydraulic control system for fuel supply
Inventor: HAVLIK JAROMIR
IPC: F02C9/16
Filed: 1965-04-07
Abstract: 1,067,402. Gas turbine engine fuel control. PRVNI BRNENSKA STROJIRNA, ZAVODY KLEMENTA GOTTWALDA, NARODNI PODNIK. April 7, 1965, No. 14713/65. Heading F1G. [Also in Division G3] A hydraulic control system controlling the supply of two or more fuels to a combustion chamber 5 of a gas turbine 2 comprises valves 6 and 7 controlling the flow of the two fuels. A pump 8 supplies actuating oil to a primary circuit I and two secondary circuits II, III through restriction 11, 12 and 13, the pressure in circuits II and III controlling the valves 7 and 6 respectively. A pressure controller 17 determines the pressures in circuits II and III relative to the pressure in circuit I and comprises two valves controlling the leak off from the circuits II and III in response to the pressure in circuit I and the setting of the valves by electric motors 20, 21. Assuming that fuel is being supplied through valve 7 and the pressure in III is zero, to switch the supplies, a main control electric switch is actuated to start motor 20 to set its valve to increase the pressure in III which opens valve 6 and actuates a switch 19 to start motor 21 which resets its valve to reduce the pressure in II to zero. During the resetting operation, the main control switch may be actuated to a position which stops both motors 20, 21 and holds their valve settings to provide pressure in both II and III to give fuel mixture supply to the combustion chamber 5.
Patent GB-563626-A (GB)
Title: Improvements in fuel combustion appliances
IPC: F24B1/19
Filed: 1942-10-21
Abstract: 563,626. Supplying air for combustion. HAYWOOD, S. L. Oct. 21, 194:2, No. 14759. [Class 126] The combustion of fuel in domestic fireplaces is effected by supplying the air for combustion from outside the room through a valve - controlled pipe 5 to a chamber 2 arranged beneath the grate 1, the ashpit being closed to the room. The chamber is open at the front 3 to deliver air to the front and top of the fire.
Patent GB-1263997-A (GB)
Title: Device for separately supplying objects to a paper wrapping machine
IPC: B65B35/08
Filed: 1969-03-20
Abstract: 1,263,997. Feeding sweets. A. SERAGNOLI, E. SERAGNOLI, and M. I. CHIANTORE, [trading as G. D. E. SERAGNOLI, and A. SERAGNOLI, S.A.S.]. 20 March, 1969 [3 April, 1968], No. 14791/69. Heading B8S. Sweets are fed from a hopper 40 down a vibrating shoot 44 into an inner ring of holes 4 in a rotating disc 2, and from a hopper 41 down a vibrating shoot 45 into an outer ring of holes. A fixed wall 38 separates the two rows of sweets which are transferred in pairs to holes 5 in a rotating disc 3 by devices 35, 36. Pusher 13 discharges the sweets to a wrapping-machine.
Patent GB-153554-A (GB)
Title: Improvements in joints for bedsteads
IPC: F16B12/60
Filed: 1920-06-02
Abstract: 153,554. Kaplan, N. Oct. 31, 1919, [Convention date]. Joints.-In a joint between a bedstead side rail 1 and a slat 15, the rail 1 is provided with a seating comprising an upper enlarged part 7 and a reduced lower part 10, the latter having walls 11 which converge downwardly and diverge horizontally, while the slat is provided with correspondingly shaped ends 16, the thickness of the ends being such that they can be. passed edgeways into the seat, turned when in the enlarged part 7, and then lowered into position.
Patent GB-199036-A (GB)
Title: Improvements in or relating to filters for petrol and the like
IPC: B01D35/00
Filed: 1923-06-07
Abstract: 199,036. Soc. Anon. des Appareils J. E. Malivert. June 8, 1922, [Convention date]. Drawings to Specification. Indicators actuated by floats. - A filter for petrol or the like has a transparent wall and is provided with a ball of cork, celluloid or other suitable material, weighted to float on water but not on petrol.
Patent GB-239944-A (GB)
Title: Improvements for and relating to the winding of duolateral inductance coils
IPC: H01F41/06
Filed: 1924-06-21
Abstract: 239,944. Hodson, C. S., and Tarbuck, A. A. June 21, 1924. Inductances.-A former for winding duolateral inductance coils consists of a metal bush A having two sets of tapped holes into which are screwed pins C, of which there may be fifteen in each set. A handle B is provided.
Patent GB-174305-A (GB)
Title: Improvements in combination riding trousers and breeches
IPC: A41D1/086
Filed: 1921-05-31
Abstract: 174,305. Hall, F. B. May 31, 1921. Riding-breeches; trousers; legs. - Combination riding breeches and trousers are formed full at the hips as usual, the lower leg portions 6 being made closefitting and each being provided with a vent 7 extending upwardly for a short distance from the bottom. The garment may be worn as breeches in connection with the usual leggings, puttees, or the like, or as trousers, in which case a separate cuff member 9 is attached to the lower end of each leg by means of buttons 10 on the cuff and button-holes 8 provided in the legs 6. The cuff 9 is made adjustable in girth by the provision of eyes 11 and straps and buckles 12, 13. To maintain the vent 7 closed, when the cuff 9 has been applied, a cord 15, made in the form of a loop and secured at one end to the inner side of the outer flap 14, is passed through eyelets 17, 18 in the' under flap and thence through a buttonhole 19 in the outer flap, being finally looped on to a button 20 provided on the inner face of the cuff 9.