baber/WOPTO huggingface dataset:
Patent GB-591984-A (GB)
Title: Fuel containers
IPC: B64D37/06
Filed: 1943-09-30
Abstract: 591,984. Containers. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Sept. 30, 1943, No. 16053. Convention date, Jan. 22, 1942. [Class 66] [Also in Groups VIII and XXIX] A fuel container has walls comprising a flexible rubbery sheet, and a thin, flexible inner layer of polyamide impermeable to hydrocarbon fuels, bonded together as by sulphonamide formaldehyde resin or the reaction product of diphenylol propane and formaldehyde; the polyamide may be as described in Specifications 461,236 and 461,237, [both in Group IV], or it may be the interpolymerisation product of hexamethylene diamine, adipic acid, sebacic acid and amino-caproic acid. As shown the container wall is formed of the inner polyamide layer 7 bonded by resin 8 to a fully polymerized layer 9 of neoprene or like material; a layer 10 of material such as softened neoprene adapted to close punctures by its resilience, a layer 11 of raw rubber &c. adapted to swell in contact with the fuel, and a protective layer of leather, vulcanized rubber &c. are also provided. A non-sealing tank may have walls formed of neoprene or the like, or fabric coated on one or both sides with neoprene &c., with an inner coating of polyamide. Specification 582,280 also is referred to.
Patent GB-191334-A (GB)
Title: Current collector bow for electric vehicles with turnable carbon slip piece
IPC: B60L5/20
Filed: 1922-06-09
Abstract: 191,334. Conradty, C. [Firm of]. Feb. 13, 1922, [Convention date]. Bow collectors with turnable carbon contact have the centre of gravity of the carbon brought outside its axis of rotation by mounting the axis in an adjustable eccentric. The bearing tube B is screwed into a sleeve A which is mounted in a sleeve C having an eccentric bore for the pivot E. A set-screw G secures the sleeves A, C together in adjusted position. The end pieces F of the bow are connected together by a tube D.
Patent GB-580711-A (GB)
Title: Extensible cover or hood for road transport vehicles
IPC: B60J7/06
Filed: 1944-08-24
Abstract: 580,711. Extensible hoods for vehicles. DARGAN, J. Aug. 24, 1944, No. 16114. Convention date, Nov. 4, 1943. [Class 108 (i)] An extensible hood for a lorry or similar vehicle consists of a plurality of vertical ribs 4 of inverted-U shape spanning the floor and carrying a cover, which travel on longitudinal guides 6 on either side of the lorry. The ribs 4, are interconnected by two series of pivoted rods, 8 and 9 and pivoted vertical bars 11. Adjacent rods of each series 8, 9, are connected by a hinge plate 10 of inverted-U section, being pivoted at separate points 17, 18 between the arms 16 of the inverted-U. In a lorry with drop sides the guide rail 6 is in two portions, the rear portion being secured to the drop sides and the forward portion to a fixed portion of the sides long enough to accommodate the hood when folded, so that the drop sides may then be lowered. Straps may be attached to prevent the hood from swaying.
Patent GB-807283-A (GB)
Title: Turn signaling arrangement for vehicles
IPC: H01H19/56
Filed: 1956-05-25
Abstract: 807,283. Mechanical switches without quickaction. HOLLINS, J. R. May 25, 1956, No. 16225/56. Class 38 (5). [Also in Group XXXVIII] A three-position selector switch (Figs. 1 and 2) for use with a vehicle direction-indicating system (see Group XXXVIII) comprises a base 26 of insulating material carrying a circle of terminals such as 22, 23, and having pivotally mounted thereon a disc 30 of insulating material which carries wipers such as 47, 52, arranged as shown, to co-operate with terminals 22, 23, &c. The disc 30 is coupled to an operating lever 25 by a shaft 27 which has squared ends and a central bearing portion freely engaging a circular hole in the base 26. A second embodiment (Figs. 4 and 6) comprises concentric cylinders 126 and 130 of insulating material. The outer cylinder 126 is fixed and carries terminals such as 122 while the inner cylinder carries co-operating means such as bars 140, 145, and 150 and contacts such as f<SP>1</SP>, g<SP>1</SP>, e<SP>1</SP>, &c., interconnected by means of a conductive core 135. The inner cylinder does not rotate but can be moved axially one step either side of the neutral position shown. Such sliding may be effected by linkage (not shown) connected to a turn selector lever.
Patent GB-594099-A (GB)
Title: Improvements relating to brackets for supporting the rails of curtain suspension devices
IPC: A47H1/144
Filed: 1945-06-26
Abstract: 594,099. Curtain suspensions. MONO CURTAIN RAIL CO., Ltd., and ARROWSMITH, C. R. June 26, 1945, No. 16253. [Class 52(v)] Brackets for securing curtain rails are formed of sheet metal and comprise a part 10a for attachment to a wall, a horizontal part 10c provided with side depending wings 10e in abutting relation to the back part 10a and a turned-down part provided with a tapped aperture for a screw 12. The side wings 10e are provided with semi-circular notches 10g to accommodate a correspondingly shaped part 11a on the curtain rail 11 the rail being held securely in the notches 10g by the screw 12. In a modification shown in Figs. 5 and 8 a bracket is adapted to hold two curtain rails 11 the bracket having a frontal extension 10b with wings 10n and screw 12 to hold a further rail. Specification 504,252 is referred to.
Patent GB-984530-A (GB)
Title: Air conditioning and regulating apparatus
IPC: F24F11/02
Filed: 1961-05-04
Abstract: 984,530. Air conditioning. SVENSKA FLAKTFABRIKEN A.B. May 4, 1961 [May 12, 1960], No. 16272/61. Heading F4V. In a device for separately regulating the ratio of pre-conditioned air from a central air conditioning source to " boosted " or further conditioned pre-conditioned air a channel-like casing 1 has a longitudinal intermediate wall 4 dividing it into a main passage 5 with a heatexchanger 7 and a by-pass 6. Pre-conditioned air enters the device in the direction of the arrows and can pass through either the by-pass 6 or the passage 5 or both. At the outlet opening of the device, the intermediate wall 4 is bent over to form a front wall 8, and to this is attached by screws 11 a damper blade 10. The damper 10 is displaceable at its end facing the inlet by means of a regulating mechanism comprising a link coupling 12 and a shaft 13 with an external brab (not illustrated). A flexible plate 18, secured at the edge facing the air inlet to the damper 10 at a position 19 is displaceable at its other end by means of a screw 20 provided with a screw-threaded part 20a co-operating with a nut 21 secured to the casing 1. By adjusting the screw 20 the maximum flow passage area of the by-pass 6 can be varied. A closing damper 14 disposed at the discharge opening 9 of the main passage 5 is regulated with the mechanism for the damper blade 10 by means of a coupling link 16 and a link mechanism 17, and prevents radiant and convection currents through the heat exchanger 7 when the main passage 5 is closed. An extension 18a of the flexible plate 18 closes off that part of the by-pass with which it associates.
Patent GB-145081-A (GB)
Title: Improvements in the manufacture of protocatechuic aldehyde and protocatechuic acid from piperonal
IPC: C07C45/43
Filed: 1920-06-17
Abstract: Piperonal (1 molecular part) is treated with chlorine gas (6 atomic parts) and the resulting chloride of dichlorpiperonylic acid is hydrolyzed by water to protocatechuic acid.  Or piperonal is converted by phosphorus pentachloride (1 molecular part) into piperonal chloride; this is treated with chlorine gas (4 atomic parts), and the resulting dichlorpiperonal chloride is hydrolyzed by water to protocatechuic aldehyde; in the above process, phosphorus pentachloride may be replaced by phosphorus (1 atomic part) and chlorine gas (5 atomic parts).  The chlorination processes are preferably effected in the presence of solvents such as carbon tetrachloride, toluene, chloroform, carbon bisulphide, or petroleum ether.  Examples of the preparation of protocatechuic acid and protocatechuic aldehyde are given.
Patent GB-497266-A (GB)
Title: Improvements in or relating to roll film photographic cameras
IPC: G03B19/04
Filed: 1937-06-14
Abstract: 497,266. Photographic cameras. KODAK, Ltd. June 14, 1937, No. 16420. Convention date, Oct. 30, 1936. [Class 98 (i)] In a camera in which the filmwinding key is operated by an arm moving between two limiting positions, co-operating elements are provided on the arm and camera body for preventing movement of the arm in one direction until one movement in the other direction has been completed to set the shutter, whereupon the elements are disconnected and the arm is free to move in both directions to wind the film. As shown in Fig. 7, the arm 31 is connected to the shaft 23 of the winding key by a one-way clutch 32, 33 and carries a plate 43 having ratchet teeth 44, a lug 45, a shoulder 46, an arcuate surface 47 and a notch 48. In the initial position of the arm 31 shown in Fig. 7, a spring pressed pivoted latch 49 engages the notch 48, and a spring pressed handle 38, Fig. 4, on the end of the arm engages a slot 36 in the camera wall. On releasing the shutter a flexible connection 55 releases the latch; as described in Specification 497,315, and permits the arm 31 to be moved to wind the film. A pawl 96, pivoted by a slot 98 to a pin 99 is pressed towards the plate 43 by a spring 103 in the position shown so that back movement of the arm 31 during its first swing is thereby prevented. When the arm 31 has reached the position shown in Fig. 10, the lug 45 presses the pawl back so that a tail 100 thereon engages a projection 101 and the pawl is held out of engagement with the ratchet by a grooved end 103 of the spring 102. The arm is thus free to execute a number of back and forth movements to wind the film and is then returned to its initial position shown in Fig. 7, when the shoulder 46 engages a lug 97 on the pawl to return it once more into engagement with the ratchet, and the latch 49 again locks the arm. During the first feed movement the connection 55 winds the shutter as described in Specification 497,302, and locks the trigger as described in Specification 497,316. The camera also has a light-controlled diaphragm as described in Specification 497,301.
Patent GB-169490-A (GB)
Title: Improvements in and relating to blocks, pulley tackle, and like hoisting apparatus
IPC: B66D3/00
Filed: 1920-06-17
Abstract: 169,490. Schat, A. P. June 17, 1920. Self - sustaining gear. - Blocks or tackles in which, as shown, one or more pulleys 6, 7, 8 may be held stationary, as described in Specification 167,360, while lowering the load, are provided with means adapted to brake one or more parts of the cable to hold the load. The difference between the tendencies of the bights 25, 26 in the fixed and hauling lengths of the cable to straighten themselves supplies pressure to a member 15 in order to apply the brakes 23, 24 when lowering or to release the brakes when raising. One or more members 27, similar to the brake shoe 23, 24, is or are secured to the shaft 22 and press on the cable, on one or more of the pulleys, when it is desired to hold the load. A lever extension 28 is provided by which the brakes may be manually controlled, and, in a modification, the pulley and rope brakes may be operated independently by connecting them to separate operating levers. The braking means may be applied to either the upper or the lower sheave or to both sheaves.
Patent GB-1429138-A (GB)
Title: Polyacrylonitriles of low molecular weight and a process for  their production
IPC: C08F2/10
Filed: 1974-04-16
Abstract: 1429138 Low molecular weight acrylonitrile polymers BAYER AG 16 April 1974 [13 April 1973] 16435/74 Heading C3P The invention comprises low molecular weight acrylonitrile polymers comprising at least 80 wt. per cent acrylonitrile units, having a number average molecular weight of 4500 to 20,000, a molecular weight inconsistency of 1À0 to 2À7, and a K-value of 35-65 (measured at 25‹ C. as a 0À5 wt. per cent solution in dimethyl formamide. The polymers may be produced by precipitation polymerization of the required monomer(s), in a continuous or semi-continuous fashion in a dilute aqueous solution at a pH of 1À5 to 4À0 and in the presence of a colourless complex former to remove heavy metal traces, the concentration of acrylonitrile monomer in the aqueous solution being 0À1 to 1À5% and the initiator being 6-55 wt. per cent (based on the monomer(s)) of a water-soluble redox system. Molecular weight inconsistency is defined by the formula where U is the inconsistency and Mv and Mn are the viscosimetric and osmometric molecular weights respectively. The colourless complex former may be a polyphosphate, ethylene diamine tetraacetic acid, nitrilotriacetic acid, tartaric acid, boric acid or sodium fluoride, all of which are well known. The use of a very dilute solution of acrylonitrile in water as the polymerization system, apparently determines the formation of the low molecular weight polymer. The novel polymers may be blended with a polymer comprising at least 80 wt. per cent acrylonitrile units but having a K-value (determined as above) of at least 75. Such blends are fibre forming.
Patent GB-281352-A (GB)
Title: Improvements in or relating to the manufacture of artificial threads
IPC: D06M11/22
Filed: 1926-06-30
Abstract: 281,352. Lilienfeld, L. June 30, 1926. Threads, treating with liquids. - To increase the extensibility of viscose silk or like threads produced according to the processes of Specifications 264,161, 274,521 and 274,690, [all in Class 2 (ii), Cellulose &c.], the threads are shrunk by treatment with agents such as mercerizing- agents. Shrinkage may be allowed to take place during the treatment, or subsequently thereto. Suitable mercerizing-agents are alkali hydroxides, alkali sulphides, sulphuric acid, nitric acid, phosphoric acid, hydrochloric acid, zinc chloride and thiocyanates. The material may be in the form of threads, or yarn in hanks, cops, warps, or twisted; and with the viscose silk there may be mixed other fibres such as cotton, silk, or wool. Prior to the treatment the threads may be impregnated or coated with a protective agent for alkali, for instance, gelatine, albumen, or starch. The treatment may be combined with the desulphurizing-process by using either a strong solution of alkali sulphide or by the addition of alkali hydroxide to the desulphurizing- bath. When a solution of alkali hydroxide is employed as the shrinking-agent, there may be added to the bath a neutral or alkaline salt such as sodium chloride, sulphate, silicate, phosphate, acetate, aluminate, or zineate, borax, or an alcohol such as ethyl alcohol or glycerine. The Provisional Specification refers to the application of the process to threads obtained according to the process of Specification 281,351, [Class 2 (ii), Cellulose &c.].
Patent GB-143742-A (GB)
Title: Improvements in machine-hammers that are worked by a cam
IPC: B21J7/10
Filed: 1919-07-02
Abstract: 143,742. Clark, H. M. July 2, 1919. Power hammers.-In a cam-operated tilt hammer, the hammer shaft 3 and the operating-cam 5 are steadied and kept in line by means of metal bars 11 on both sides, supported on brackets 14, 15 and adjusted by means of set-screws 17. One pair of bars 11 carries the pivot 13 of the hammer shaft 3. A counterweight 4 is provided, and an adjustable rubber stop 19 with a metal face 20. An adjustable spring 18 is arranged above the shaft.
Patent GB-696680-A (GB)
Title: Improvements relating to self-priming centrifugal pumps
Inventor: SMITH SIDNEY ARTHUR
IPC: F04D29/10
Filed: 1950-07-01
Abstract: 696,680. Centrifugal pumps. BERESFORD & SON, Ltd., J. July 2, 1951 [July 1, 1950], No. 16465/50. Class 110(i) The impeller hub is spaced from an adjacent pressure plate by a washer of non-hygroscopic material which has a low coefficient of friction and does not set up electrolytic action, such as a fibre composition, the washer being freely turnable within a groove and standing slightly proud of the surface surrounding the groove. The impeller hub 101 is provided on one or both sides with a concentric groove 102, within which is freely tumable a washer 11. The thickness is slightly greater, say by .0015 inch, than the depth of'the groove. The groove may be formed in the adjacent surface 12 instead of in the impeller hub.
Patent GB-252560-A (GB)
Title: Means for uniting metal sheets in the formation of fences
IPC: E04H17/16
Filed: 1925-06-29
Abstract: 252,560. Marengo, N. G. June 29, 1925. Solid fencing.-Sheets of metal 1, 4 are united to form a fence by tongues 5, pressed out of one sheet and passed through holes 2 along the edge of an adjacent sheet. The tongues and apertures may be vertical, as shown, or they may be horizontal. A rib 3 is formed along the aperture to give additional security to the union.
Patent GB-733642-A (GB)
Title: Improvements in bending machines for tubes, bars, rods or the like
Inventor: BROWN FRANK GEOFFREY
IPC: B21D7/022
Filed: 1952-07-03
Abstract: 733,642. Angular bending. LAWLER, AYERS & CO., Ltd. June 30, 1953 [July 3, 1952], No. 16718/52. Class 83 (4). A tube or rod bending machine comprises a stationary former having an arcuate forming surface and an arm pivoted so as to move around the forming surface and carrying a presser which is adapted to bear upon the tube to bend it round the former as the arm is swung about its pivot, the tube being held adjacent to one end of the forming surface during such bending operation, the former being provided with a slot so that it may be pushed against the spindle on which the bending arm is pivoted or withdrawn and replaced by another. On to a spigot 12, secured to a bracket 10 a suitable arcuate-surfaced bending former 13, slotted at 14, is slid to abut an upright face of the bracket 10. The former 13 may be secured to the bracket 10 by a screw. A bifurcated lever 17, carrying a pressing roller 18 adjustable axially of the lever by a screw 20, is pivoted on the spigot 12 and embraces the former 13. In operation a tube 30 is inserted, with a guide-bar 31, between the former and the roller 18 and the bar 22 longitudinally adjusted so that a pivoted grooved block 23 thereon presses against the tube. The lever 17 is then rotated to effect the bending. The block 23 is formed with two grooves 24, 25 of different sizes to co-operate with different tubes.
Patent GB-515502-A (GB)
Title: Improvements in and relating to coking apparatus
IPC: C10B49/00
Filed: 1938-06-03
Abstract: 515,502. Coke ovens. PUENING, F. June 3, 1938, No. 16766. [Classes 51 (ii) and 55 (i)] In a coke oven having hollow movable heating-walls which can be spread apart to facilitate discharge of the coke, connections such as heating-gas conduits, from outside the oven structure to the heating-walls pass through openings in the enclosing-walls which are larger in the direction of movement of the heating- walls than the connections, and the gaps are covered by sliding seals. In the construction shown the heating-walls 11 are suspended from overhead beams 21, 22' by hangers 19, 20 inclined away from the oven, and they are moved either parallel to themselves, or slightly more at the bottom than at the top by cables &c. acting on the hangers and also if necessary on projecting parts at a lower level. Heating- gases are supplied'to and exhausted from the walls through connections 47, and the more or less horizontal movement of these connections when the walls are spread, and the vertical movement due to expansion, are accommodated by making the apertures 48 in the enclosing walls 26, 27 sufficiently in the two directions, the gap being covered by a plate 52 which is axially movable on the connection and is spring-pressed on to a bearing-surface on the enclosing-wall. The outer ends of the connections are flexibly jointed to the fixed mains 37, 38, and packing between the connections 47 and the plates 52 prevents leakage of gas. The supply and exhaust mains 39, 40 and for the two adjacent heating-walls are at the bottom, and series and parallel flow circuits for the two sets of heating-walls are described. Alternatively the inlet to one heating-wall may be at the bottom and the outlet at the opposite side at the top, or the inlet and outlet may be on the same side with the reverse arrangement for the adjacent walls in both cases. When the coking-chambers between the heating-walls have been charged the walls may be pressed together by horizontally-acting hydraulic rams. The walls may be heated by the burner arrangements described in Specification 515,503.
Patent GB-646788-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: F16L19/05
Filed: 1947-06-25
Abstract: 646,788. Pipe joints. BROCKWAY CO. June 25, 1947, No. 16778. Convention date, Aug. 21, 1946. [Class 99(i)] In a joint of the kind in which a flared pipe end is clamped against the conical seat 16 of a fitting 10, and in which the pipe is flared by drawing it up on to the seat, a ferrule 23 is adapted to be compressed to grip the pipe by the initial movement of the coupling nut 21. The ferrule may be split and internally roughened and is contracted by the co-operation of inclined shoulders 25, 30, with shoulders 26, 31 on nut and fitting, and by the sleeve extension 17 of the fitting. The pipe end when flared fits into the conical recess 24 in the ferrule. In a modification adapted for the use of a standard fitting 10a, Fig. 6, the contracting sleeve 17a is separate from the fitting, engages at one end the conical seat 16a, and is connected to the ferrule 23a by a frangible web 39 which is broken during the initial movement of the nut. A recess 40 receives the flared pipe end. Other modifications for use with standard fittings are described.
Patent GB-639926-A (GB)
Title: Television receiver
IPC: H04N5/62
Filed: 1946-06-03
Abstract: 639,926. Wireless receiving systems. PHILCO PRODUCTS, Inc. June 3, 1946, No. 16790. Convention date, June 4, 1945. [Class 40 (v)] In a television receiver of a frequencymodulated sound channel and an amplitudemodulated vision channel of constant difference in mean carrier frequency the sound signals, to provide a sound-modulated intermediate frequency band whose mid-frequency is fixed and independent of local oscillator frequency drift, are amplified about a fixed intermediate frequency produced by heterodyning the carriers of the sound and vision channels. A first I.F. output of both channels from a wide band-pass amplifier 42, Fig. 4, may be applied to a separating circuit 43 from which the sound-modulated signal is applied through a triode 47 to a cathode resistance 55 of a triode converter 54 to the grid of which an amplified and amplitude-limited vision I.F. signal is applied. The converted frequency-modulated sound signal is then amplified and passed to a detector 59. Alternatively, Fig. 2, an I.F. input of both channels may be applied to a buffer-amplifier 15 having inductively coupled to its anode circuit two circuits 18, 19 tuned respectively to the vision first I.F. and sound first I.F. and both of band-width, e.g. 200 kc., sufficient to allow for oscillator frequency drift. The circuits 18, 19 apply inputs to a pentagrid converter 24, the vision carrier input being biassed by a grid leak 25 to give a further amplitude limitation. The sound-modulated signals are then amplified at the resulting second I.F. Alternatively; Fig. 3 (not shown), the sound and vision carriers may be passed from the buffer-amplifier 15 without separation to a diode rectifier with cathode load, from which an input is applied to a selective bufferamplifier with anode circuit tuned to the means frequency difference between the carriers, from which the frequency-modulated sound signal is derived. A frequency modulation detector insensitive to amplitude modulation, as described in Specification 639,922, may be used.