baber/WOPTO huggingface dataset:
Patent GB-1529894-A (GB)
Title: Laryngoscopes
IPC: A61B1/267
Filed: 1976-03-12
Abstract: 1529894 Laryngoscopes RICHARD WOLF GmbH 12 March 1976 [12 March 1975 11 Sept 1975] 10091/76 Heading A5R A laryngoscope comprises a beak-shaped spatula 1 made of light conducting transparent or translucent acylic glass or polycarbonate plastics material and releasably connectible by a dovetail joint 2, 7 with a handle 3 having a glass fibre light conductor extending therethrough which ends in a ground flat face 5 so that light emerging therefrom enters face 8 of the spatula. The light conductor is coupled to a light source by a connector 4 and the surface of the spatula may be polished or covered with an inwardly light reflecting material, e.g. chromium, to prevent the escape of light other than at its distal end. In a modification face 6 of the handle may have a lamp set therein to replace the light conductor and energised either by a battery within the handle or from an external source, an on/off switch being provided for the lamp. A spring extending from face 6 of the handle may be used to eject the spatula when a peg or spring loaded ball which secures the engagement between the handle and spatula is released. The dovetail joint may be replaced by a joint of T-section, and the laryngoscope coloured red or orange to aid location.
Patent GB-406141-A (GB)
Title: Improvements in street lighting glassware
IPC: F21V3/00
Filed: 1933-04-04
Abstract: 406,141. Street lamp refractors. HOLOPHANE, Ltd., and ENGLISH, S., Holophane House, Elverton Street, Vincent Square, London. April 4, 1933, No. 10114. [Class 75 (ii).] In a street-lighting refractor, for use with an extended light source, there is among any group of prisms a clear wide zone on the refractor lying symmetrically about a plane which is parallel to the direction of those prisms, and having a width which is equal to or greater than the dimension of the light source measured perpendicular to that plane. In the form shown in Fig. 3, the clear zone BB<1>, which is approximately equal in width to the length of the tubular light source AA<1>, is symmetrical about a horizontal plane passing through the point O, which lies, relative to the centre X of the light source, in the direction in which maximum light intensity is required in the vertical plane of section shown. The prisms are so formed as to bring the light from the lower end A<1> of the source into the desired directions A<1>BC<11>, A<1>B<1>C<111>. If there are vertical prisms on the inside of the refractor or of a separate glass envelope, a clear zone is left at least as wide as the horizontal width of the light source. Such a refractor, for use with a horizontally elongated light source AA<1>, and with clear zones BB<1> between vertical prisms, is shown in Fig. 5. In the form shown in Fig. 6, two band refractors, for use with a group of high pressure gas mantles, each have a clear zone D of greater width than the height of the mantles, and have between them clear gaps of at least the width of the group of mantles. Specifications 217,539, 298,839, 333,465, [all in Class 75 (ii)], and 351,761 are referred to.
Patent GB-672146-A (GB)
Title: Improvements in or relating to circuit connecting devices for electrical apparatus
Filed: 1949-04-14
Abstract: 672,146. Plug boards. BRITISH TABULATING MACHINE CO., Ltd., and KEEN, H. H. April 5, 1950 [April 14, 1949], No. 10171/49. Class 38 (i). A circuit connecting device for electrical apparatus comprises a fixed board 2 having contacts 20 and a removable board 5 having co-operating contacts 21 and carried by a frame 3, said frame being mounted so that the two boards may be brought into parallel relationship with the sets of contacts overlapping but not contacting. Frame 3 is hinged to a frame 1 carrying board 2 and subsequent to said frames being brought together and latched by a hook 8 pivoted to frame 1, frame 3 is raised by rotating handles 12 pivoted one on each side of frame 1, so as to bring the sets of contacts into engagement. Rotation of each handle 12 causes a cam 14 to engage a roller 15 mounted on a slide 17 which is thereby raised. The slide engages under an end-plate 24 on frame 3 as the two frames are brought together.
Patent GB-737290-A (GB)
Title: Improvements in or relating to negative electrodes for alkaline storage batteries
IPC: H01M4/30
Filed: 1953-04-14
Abstract: 737,290. Batteries. SOC. DES ACCUMULATEURS FIXES ET DE TRACTION. April 14, 1953 [May 6, 1952], No. 10185/53. Addition to 704,461. Class 53. [Also in Group XXII] A negative electrode for an alkaline accumulator is made by first compressing and then sintering a mixture of copper powder and iron powder. The sintering is performed in a neutral or reducing atmosphere, e.g. nitrogen or hydrogen, and in the latter case the iron powder may be replaced by iron oxide or other reducible iron compound. Specification 735,793 is referred to.
Patent GB-273842-A (GB)
Title: Improvements relating to joints for connecting the metal parts to the woodwork of school furniture
IPC: F16B12/60
Filed: 1927-01-15
Abstract: 273,842. Bennet, G. Jan. 15, 1927. Disc hinges; attaching to articles.-In means for connecting together the metal parts and the woodwork of school furniture, and of the type comprising dovetail lugs 2 on the side of a metal bar 1, engaging corresponding recesses 3 in the woodwork 4, together with locking pins 5 which pass through the bar 1 and are sunk in the woodwork 4, the lugs 2 are made of less depth than the bar 1 and do not extend completely through the woodwork 4. The bar 1 may be a part of a hinge.
Patent GB-759407-A (GB)
Title: Improvements in and relating to electrical contacts and the manufacture thereof
Inventor: VERRALL CHARLES EDWARD CECIL
IPC: H01H11/04
Filed: 1954-04-07
Abstract: 759,407. Making electrical contact rivets. JOHNSON, MATTHEY & CO., Ltd. March 23, 1955 [April 7, 1954], No. 10212/54. Classes 83 (2) and 83 (4). In the manufacture of a rivet-type electrical contact by the impact extrusion of a metal blank 6, a layer of lubricating metal 7 is provided between the surface of the blank being extruded and the surface or surfaces of the extrusion opening in the extrusion punch or die. The blank 6 which may be of copper, is provided with a layer 7 of silver, which layer may be bonded to the blank or preferably may be applied by electro-deposition to a thickness of between 0.0001 inch and 0.003 inch. The coated blank is inserted in the opening 2 of a die 1 and is supported therein by an ejector 4. The blank is then impact extruded to form a shank 8 by a hollow punch 3. The invention may be used for making electrical contacts with hollow shanks by the method of Specification 756,393. The blanks may be bimetallic consisting of a precious metal facing on a base metal backing. Instead of the lubricating metal being provided on the blank, it may be provided in the extrusion opening of the punch. Specification 642,648 is referred to in the Provisional Specification.
Patent GB-726787-A (GB)
Title: Coin freed mechanism for prepayment gas and electricity meters
Inventor: ALEXANDER ARTHUR
IPC: G07F15/02
Filed: 1952-04-23
Abstract: 726,787. Prepayment meters. PARKIN-. SON & COWAN, Ltd. April 10, 1953 [April 23, 1952], No. 10222/52. Class 27. A coin-freed mechanism for gas and electricity meters of the type having a slot intended for coins of two different sizes includes a stop device 19 which in its rest position prevents movement of the coin cam 22 beyond the position to which it is moved by the smaller of the coins, but which is adapted to be displaced by the insertion of the larger coin B to permit continued movement of the coin cam. The larger coin, on insertion, bears against a trigger portion 21 normally situated at one end of the coin slot and hence rotates the device 19 about a pivot 18 against the action of a spring 23 until a hook 20 is displaced out of the path of movement of a projection 25 on the cam 22, which is then displaced about its pivot 24 by the coin to bring a lever 28 into operative relation with the prepayment mechanism. The smaller coin does not displace the cam 22 far enough for the projection 25 to engage the hook 20 which remains undisturbed by the insertion of the coin. A second lever 27 is brought into operation by the smaller coin. Insertion of a coin of intermediate size,.such as that shown at C, is prevented by the projection 25 engaging the hook 20. The mechanism is mounted on a rotatable coin pocket having a discharge slot 13 for the coin.
Patent GB-708343-A (GB)
Title: Improvements in or relating to ram jets
IPC: F02K7/10
Filed: 1951-05-01
Abstract: 708,343. Jet propulsion plant. SOC. D'ETUDE DE LA PROPULSION PAR REACTION. May 1, 1951 [May 11, 19SO], No. 10237/51. Class 110(3) [Also in Group XII] A ram jet has a deformable ring-like member supported from it at a predetermined distance from, and co-axial with, the jet nozzle and means for deforming the profile of the member so as vary the effective area of the jet. The ram jet 1, Fig. 1 carries a ring-like member 2 by means of struts 22. The external diameter of the ring is smaller than the maximum internal diameter of the ram jet. The effective area of the propulsion nozzle may be varied from r to r<SP>1</SP> as shown in the two halves of the figure by altering the shape of the member 2 which modifies the air now 3 through the gap 4. The shape of the member 2 may be varied by making the trailing or leading edges 2a, 2b, Fig. 4 or both of a flexible material such as natural or synthetic rubber which may be deformed by a fluid under pressure supplied to a cavity 5. In a modification,. the ring 2 is made of metal and certain parts are made thin so that they may be deformed by fluid under pressure. In a further modification, flaps are pivoted on the ring 2 to vary its shape. The effective area of the jet may be controlled in conjunction with the fuel supply. As shown in Fig. 8, the pressure drop across the fuel control valve 10 is applied to a piston 17 connected to a further piston 19 mounted in a cylinder 20 connected by a conduit 21 to the hollow spaces in the ring 2. In a modification, the throttle 12 also operates a two-way valve which connects to the fuel supply conduit to the ring 2 or connects the ring 2 to the burners. The combustion chamber has a continuously operating burner 27 Fig. 10 and two annular burners 29, 30 which are supplied with fuel in sequence as the thrust is increased.
Patent GB-710649-A (GB)
Title: Action control and selector for automatic numbering and counting machines and the like
IPC: B41F33/00
Filed: 1951-05-01
Abstract: 710,649. Counting apparatus. ROBERTS, J. H. April 30, 1952 [May 1, 1951], No. 10249/51. Class 106 (1). [Also in Group XVI] A device for controlling the action of automatic numbering and counting and like machines comprises a fine tooth ratchet wheel B actuated by a pawl D which is governed in its engagement with the ratchet wheel by a variable setting cam C, and a control disc A which controls the number wheel actuating pawl F, the ratchet wheel B moving the control disc A to the repeat numbering or no change positions. Disc A having a number of equally spaced gaps A' in its periphery A3 is attached to the side of wheel B, and cam C has an adjusting lever C<SP>1</SP> and a central hole C<SP>2</SP> with locating notches C<SP>3</SP> for mounting on the number wheel spindle beside wheel B. The retaining pawl E engages the teeth of wheel B to locate the latter and control disc A. The pawl F is mounted in contact with the periphery of disc A, and pawl D is mounted on the same spindle as pawl F to have the same movement, and has contact with cam C and wheel B, With each printing or recording impulse applied to the machine, pawls F, D are given a definite rotative movement relative to the numbering wheels, disc A, and wheel B. According to the position to which disc A has been rotated pawl F will either slide on the periphery A3 and thus be withheld from the teeth of the number wheels, or fall into a gap A<SP>2</SP> when it will contact and rotate the number wheels. This adjustment of disc A is controlled by the action of pawl D rotating wheel B, and this latter movement is controlled by cam C which can be adjusted so as to be in or out of contact with pawl D for the whole or part of the movement of the pawl and thus control the engagement of pawl D with wheel B. Thus with the adjustment shown in Fig. 3 pawl D for the whole of its movement is in contact with cam C and out of contact with wheel B, so that the machine will repeat the number indefinitely. Alternatively cam C can be adjusted so that pawl D engages and moves wheel B one or any number of teeth up to the number covered by the full movement of pawl D, as in Fig. 4, for duplicate, triplicate &c. numbering.
Patent GB-703528-A (GB)
Title: Manufacture of a yellow vat dyestuff of the anthraquinone series
IPC: C09B1/42
Filed: 1952-04-23
Abstract: The invention comprises 1.5-di-(m-fluorobenzoylamino)-anthraquinone, which is made by condensing 1.5-diaminoanthraquinone with two mols. of m-fluorobenzoic acid or a functional derivative thereof.  Inert solvents, e.g. chlorbenzene, o-dichlorbenzene or nitrobenzene may be used.  The product dyes vegetable fibres, cotton, rayon, viscose, yellow shades.  An example describes the heating of 1.5-diaminoanthroquinone with m-fluorobenzoyl chloride in o-dichlorbenzene.
Patent GB-1144877-A (GB)
Title: Disc brakes
IPC: F16D66/02
Filed: 1966-03-09
Abstract: 1,144,877. Disc brake. DUNLOP CO. Ltd. 9 March, 1966 [13 March, 1965], No. 10258/66. Addition to 1,142,788. Heading F2E. A disc brake comprising a rotatable disc, a non-rotatable support, at least one friction pad 2 associated with the support and movable axially relative to the disc to engage a braking surface thereof, and a brake-applying mechanism (shown as a piston 1) engageable directly with the friction pad to effect the axial movement, two electrical contact pins 3 being secured to the thrust member and projecting into a recess formed in the friction pad so that the pins make contact with the disc after the pad has worn down to a pre-determined thickness. The pins form electric contacts for a signal lamp circuit. The piston may be of a plastics material.
Patent GB-831544-A (GB)
Title: An improved liquid level controller and/or indicator
Inventor: HOLT HERBERT BRUCE WILLIAM
IPC: G01F23/24
Filed: 1957-03-29
Abstract: 831,544. Indicating and controlling liquid levels. TYER & CO. Ltd. March 28, 1958 [March 29, 1957], No. 10319/57. Class 123(1) A liquid level indicator and controller comprises an electrically conductive, needle-like probe 15, for example of stainless steel, which depends coaxially within a polythene tube 1 having an open lower end and mounted by its upper end in a boss 3 having a threaded nipple 4 by which the boss is screwed into an aperture in the top of a container, for example a water tank, so that the tube hangs down inside. When the liquid level rises in the container the liquid enters the tube and contacts the point of the probe whereupon an electric circuit is closed through the liquid and the probe to control the supply of liquid and/or to indicate that it has attained the desired level. To prevent surface agitation in the container from affecting the control or indication the movement of the liquid in the tube is damped by providing only a small vent hole 20 to atmosphere at the top of the tube 1, the vent being provided with an adjustable valve screw 21.
Patent GB-704171-A (GB)
Title: Improvements in or relating to the drying of webs in rotary photogravure printing machines
IPC: B41M7/00
Filed: 1951-05-03
Abstract: 704,171. Printing processes ; drying apparatus. SCHNELLPRESSENFABRIK FRANKENTHAL ALBERT & CIE., AKT.-GES. May 3, 1951 [May 8, 1950], No. 10422/51. Class 100 (2) A web of material in a rotary photogravure printing machine is dried by air supplied to the interior of a double walled hood at uniform pressure at various points in its length, the inner wall of the hood having apertures directed towards the web, there being means for extracting the air from the space between the inner wall of the hood and the web after it has passed through the apertures. In the construction shown the paper web 1 passes from the printing mechanism D through the drying device T, over a guide drum 3, and finally to a guide roller 4 whence it passes to a further printing mechanism or process. The drying device comprises a distributing piece 6 which has a chamber 13 to which air is supplied from one side of the machine, and a chamber 14 from which air is led away at the other side. In the chamber 13 are the nozzles or deflectors 23, 24, 25 which split the air into four currents 19, 20, 21, 22, leading to pockets 9, 10, arranged on either side of the drum 3. The pockets are also divided by walls into four sections 32, 33, 34, 35, and from these sections the four air currents pass on to the web of paper through gaps in the walls 11, 12 of the pockets, the air then passing over the paper by way of channels 7, 8 leading to the chamber 14. The deflectors may be adjustably arranged as by pivoting to vary the supply of air at any particular point. Access to the detlectors is gained by pivoting the parts 7, 8 to the position shown by dot-dash lines in Fig. 2.
Patent GB-1059171-A (GB)
Title: Improvements in a control system for an electronic time-piece
IPC: G04C3/027
Filed: 1964-03-12
Abstract: 1,059,171. Clocks and watches. R.W. REICH. March 12, 1964 [April 4, 1963], No. 10425/64. Heading G3T. An electromagnetically impulsed timepiece balance 9 carries three permanent magnets 3 which co-operate with a pair of coaxially arranged driving and exciting coils 5, 6 respectively. The coils are connected in a transistorized maintaining circuit (not shown). The spacing and dimensions of the magnets are related to the coil sizes so that a magnet leaving the field of the drive coil is repelled while an adjacent magnet entering the field is attracted. In alternative embodiments, the device is applied to a pendulum arrangement wherein a cover plate (4), Figs. 1 and 2 (not shown) surrounds the coil ends; and to a balance comprising two axially spaced magnet carriers (8), (9), Figs. 3 and 4 (not shown). Three magnets on each carrier are aligned parallel to the balance axis with the coils 5. 6.
Patent GB-1530511-A (GB)
Title: Combination of a fuel tank venting system and an air-fuel ratio control system of an internal combustion engine
IPC: F02D41/02
Filed: 1976-03-16
Abstract: 1530511 Treating IC engine charges NISSAN MOTOR CO Ltd 16 March 1976 [25 March 1975]  10449/76 Heading F1B A combination of a fuel tank venting system and an air/fuel ratio control system of an I.C. engine in which the fuel tank venting system comprises a liquid-fuel tank 30 and passage means 32, 32a, 70 through which fuel vapour from the tank is conducted, by suction, to an induction pipe 16 of the engine 10; and the air/fuel ratio control system comprises a mixture-forming device 22, sensing means 78 for sensing the overall air/fuel ratio of all air and fuel fed into the engine and control means 80, 26 comparing the sensed overall ratio with a desired air/fuel ratio and causing the device 22 to form a mixture having an air/fuel ratio such that the overall fuel ratio is equal to the desired fuel ratio. The combination maintains an overall stoichiometric ratio of air to fuel so that an exhaust gas reactor 28 which contains a three-way catalyst operates at maximum efficiency. Vapour from tank 30 is separated from fuel droplets in trap 36 and passes to canister 40 where it is absorbed in e.g. activated carbon 58. There is an air inlet port 50 and filter 44. Air and fuel vapour are drawn through an orifice 72 at a rate controlled by valve 60 which is actuated by flexible diaphragm 64, subject to the depression in duct 70 which opens into pipe 16 at a point which is upstream of throttle valve 24 when the valve is closed and is downstream of the valve when the valve is open. Mixture forming device 22 is a carburetter or fuel injection system and includes an air or fuel valve which is adjusted by an actuator 26, which responds to a signal generated by a comparator 80 in which a reference signal is compared with the output signal from exhaust gas sensor 78 which produces a signal representative of the amount of e.g. air in the exhaust gases.
Patent GB-569254-A (GB)
Title: Improvements in aviation trainer
IPC: G09B9/16
Filed: 1943-06-28
Abstract: 569,254. Apparatus for training aviators. LINK AVIATION DEVICES, Inc. June 28, 1943, No. 10459. Convention Date, June 29, 1942. [Class 4] An apparatus for training aviators mounted for universal movement as described in Specification 370,128, and provided with a pressure tank, altimeter, and vertical speed indicator, whereby the effect of altitude may be simulated as in Specification 481,375, is also provided with pressure-regulating means such that within predetermined limits the flow between the tank and a pressure source is uniform, irrespective of the pressure difference between tank and source. In the construction shown, the pressure tank 58 which carries the vertical speed indicator 110 and altimeter 114, is connected to climb and dive valves 28, 32, through pressure regulating units 26, 30. The regulators comprise pairs of bellows 34, 40, and 76, 68, connected together by ported rods 42, 81, and. in communication with the pressure tank 58 and valves 28, 32, through pipes 62, 48, 71. Compression springs 64, 66, are associated with the bellows 34, 68. Each of the pressure regulators is in communication with the input side of a vacuum pump 18 through a pipe 20, and in addition the regulator 26 is provided with a port 54 communicating with the atmosphere, and a pipe 79 connects the regulator 30 with the output side of the pump 18. When the apparatus is in use the maximum permissible difference in pressure between the respective pairs of bellows is determined by the stress of the compression springs 64, 66, any pressure difference in excess of this amount causing movement of the ported rods 42, 81, from their central positions until the predetermined pressure difference has been restored. By this means excessive pressure differences are never produced across the climb and dive valves, thereby preventing abnormal instrument readings. If the difference in pressure falls below the predetermined amount, the regulators are inoperative, and the altimeter and vertical speed indicator respond to such pressure difference in the normal manner. The effect on altitude and rate of climb of throttle variation and aircraft attitude may be simulated by the provision of a dummy throttle lever 118 and a transverse rotary shaft 142 which actuate the climb and dive valves as described in Specification 569,249.
Patent GB-1528924-A (GB)
Title: Rectifier assembly
IPC: H01L25/11
Filed: 1976-03-09
Abstract: 1528924 Rectifier assembly LUCAS ELECTRICAL CO Ltd 9 March 1976 [13 March 1975] 10488/75 Heading H1K In a rectifier assembly comprising a pair of terminal plates, and a phase plate, at least one of the plates being of aluminium or aluminium alloy, portions of a surface of the aluminium or aluminium alloy plate are coated with copper in a vacuum chamber, the surface being cleaned by ion bomdardment prior to the vapour deposition of copper, and then a nickel or cobalt layer is applied to copper by electroless plating so that electrical connection of a diode to the aluminium or aluminium alloy plate can be made by joining the diode to the nickel or cobalt layer. The aluminium or aluminium alloy plate acts as a cathode of a high voltage D.C. circuit during argon ion bombardment, and preferably the potential difference between the cathode and an anode, required for ionization of argon, is maintained at the same value during the vapour deposition of copper. Typically, diode terminals are connected to the cobalt or nickel layer using flow soldering. As shown, axially spaced plates 27, 28, e.g. of copper, on a bolt 21 provided with an insulation sleeve 34, constitute output terminals of the assembly, whereas arcuate plates 31, 32, 33 lying in one plane constitute the phase plates of the assembly. The plate 27 is electrically connected to a post 23 through a washer 24, the post 23 being engaged in use, with a casing of a three-phase alternator used in a roadvehicle.