baber/WOPTO huggingface dataset:
Patent GB-118996-A (GB)
Title: Improved Device for Displaying Cards, Advertisements, and the like.
IPC: G09F11/12
Filed: 1918-03-20
Abstract: 118,996. Davis, G. P., and Bulletin Machine Co. March 20, 1918. Plates and the like, travelling.-Relates to advertising devices of the type in which two groups of cards or the like are mounted in a display frame and cards are transferred from group to group by such means as an endless chain, &c. In the construction shown, the cards slide by gravity on pairs of inclined guides 3, 4, carried on side frames 2, and are raised and lowered from one to the other by a reciprocating carrier. The carrier frame shown in Fig. 6 consists of a cross bar 10 with side bars 11, 12 and carriers 13, 14, 15, 16. The frame is reciprocated on a guide-bar 20 by a chain 27 and link 29. When the carrier rises it lifts one of the cards from the lower guide 4 and finally deposits it on the upper guide 3. Before doing this, the carriers 15, 16 pick up a cord on the upper guide and on its descent lower it on to the guide 4. The apparatus may be driven by an electric motor 26.
Patent GB-807325-A (GB)
Title: Device for transferring oil from a stationary pipe to passages machined inside a rotating crankshaft
IPC: B04B5/00
Filed: 1957-02-13
Abstract: 807,325. Centrifugal separators. FIAT S. P. A. Feb. 13, 1957 [June 5, 1956; Oct. 31, 1956(2)] No. 4932/57. Class 23 [Also in Groups XXVII and XXXIV] A centrifugal filter, mounted on the end of a crank-shaft extension 2b of an internal combustion engine, comprises a hollow casing 13, Fig. 1, having internal vanes 13a and a cover plate 20. The casing 13 is secured to the extension 2b by means of a key 12 and a lock-nut 14. A stamped baffle plate 15 is mounted on the extention 2b. In a modification, a filter comprises a cylindrical casing 69, Fig. 3, having a spiral rib 69a. In a further modification, a filter consists of two parts 13, 20, Fig. 4 secured to each other by screws 55, and a dished baffle 75.
Patent GB-1502272-A (GB)
Title: Fire extinguishers
IPC: A62C13/76
Filed: 1975-02-03
Abstract: 1502272 Fire extinguisher EMI Ltd 3 Feb 1975 [2 Feb 1974] 4935/74 Heading ASA A fire extinguisher comprises an elongated tubular reservoir 1 disposed in a plane preferably a toroid, a filler valve 2 and cap 3 and an extinguishant nozzle 4 connected to 1 by hollow spokes 5. The reservoir is charged with a liquid extinguishant 6, e.g. BCF or BTM, which is then pressurized with nitrogen gas 7. In an alternative embodiment, the nozzle 4 is located in the reservoir 1 itself, and is sealed with a seal which may be opened in response to heat or smoke.
Patent GB-419936-A (GB)
Title: Control systems for internal-combustion engines and associated starting motors
Filed: 1933-02-17
Abstract: 419,936. Starting prime movers. DELCO-REMY CORPORATION, 239, East 1st Street, Dayton, Ohio, U.S.A.- (Assignees of Dyer, J. B. ; 323, Taylor Street, Pendleton, Indiana, U.S.A.) Feb. 17, 1933, No. 4962. Convention date, Feb. 23, 1932. [Class 38 (iv).] A control system for an internalcombustion engine and an associated starting motor comprises an accelerator pedal or equivalent throttle-actuating element which is incapable of exercising any load-controlling function but is adapted, when the engine is not running, to cause operation of the starting motor, the sta rting-motor control exercised by the accelerator pedal being disabled when the engine is running. In one form, Fig. 1, a starting-motor 10 of the screwed-pinion type is connected to the battery 17 through an electromagnetic switch C. The winding 21 of the switch C is in series with an ignition switch A and with a switch B operated by the accelerator pedal 49. The switch B comprises a contact 36 carried by a fixed insulating block 37 and a contact 31 carried by an insulating block 30 mounted in a sleeve 32, which is slidable in a sleeve 33 mounted on the rod 34 connected to the carburetter throttle, and is actuated from the pedal 49 through a piston 43 and a light spring 47. When the engine is running, the switch C is opened by the counter voltage set up by an engine-driven generator 25a having a brush connected by a wire 51 to the fixed contact 40 of the ignition switch, so that closure of the switch B by the accelerator pedal is prevented from energizing the starting motor. In modifications, (1) the electromagnetic switch C is replaced by a switch adapted to be opened by the action of engine suction on a diaphragm carrying the movable contact, and the ignition switch controls only the ignition system ; (2) the switch C is replaced by a switch E, Fig. 3, controlled conjointly by current from an engine-driven generator and by engine suction acting through a conduit 144 on a diaphragm 130; and (3) the electromagnetic switch C is arranged in series with a switch controlled by engine suction, instead of controlling the switch C by current from an engine-driven generator.
Patent GB-562731-A (GB)
Title: Improvements in or relating to printing elements for typewriter printing machines
IPC: B41J1/16
Filed: 1943-03-27
Abstract: 562,731. Typewriters. THOMAS, A. March 27, 1943, No. 4991. [Class 100 (iv)] In typewriters with rows of typeholders each carrying a set of separate type elements, the holders 7 are rectangular and of type width and are cut to form a shoulder on one or both faces, whilst the type elements 1 are rectangular and of type dimensions, and are cut to conform to the holder, each element having a shank 4 passing through a hole in the holder. In one form, Fig. 4, the upper face 14 of the element 1 engages the shoulder 9 whilst a shoulder 12 on the element engages the lower face 13 of the holder 7. In the other form, Fig. 10, the holder has shoulders 9a to form a rib 11a which engages a slot 18 in the element. In both forms, the elements are retracted bv mechanical Means or by springs 15 surrounding the shanks 4 and retained by collars 16 secured by upsetting the end 17 of the shank into rectangular form, this end also acting as an anvil for the impression hammer.
Patent GB-106983-A (GB)
Title: Improvements in Wallets, Pocket Letter Cases or the like.
Inventor: GANDELL WILLIAM RALEIGH KERR
IPC: A45C1/06
Filed: 1917-04-10
Abstract: 106.983. Gandell, W. R. K. April 10, 1917. Wallets &c.-Pocket letter-cases, wallets, &c., comprising two sides or covers a, a<1> foldable on the line a<2> and provided with pockets b, each of which is permanently closed only along two edges b', are furnished with an integral or attached flap e foldable along an end edge a<3> and fastened to the back of the cover a by a tongue e' and slot, or by a spring button, &c. To accommodate notes &c. that are longer than the pockets, the tongue e<1> may be of elastic material, or it may be of increased length or furnished with spaced fastening- studs, so that the flap e may become only partly folded over.
Patent GB-179671-A (GB)
Title: Improvements in or relating to valves for controlling the supply of water and other liquids
IPC: F16K29/00
Filed: 1921-02-14
Abstract: 179,671. Hampton, G. Feb. 14, 1921. Rotating a n d grinding valves on seats; spindles.- A valve body a is provided with a detachable seating l for a mitre valve m provided with a depending guide spindle n. The upper face of the valve disc carries a projection p having side lugs q which are adapted to engage in a recess u in the lower end of the spindle r. When the valve is used for controlling mill races, or water for boring or mining operations the valve being at a lower level, the spindle r may be made in two portaons. In this case, an extension w is provided with a socket z which fits over a squared portion s on the end of the spindle r. The upper end of the member w is formed with a squared portion to recoive a cap or striking-piece 2. Any foreign matter that lodges between the valve and its seating may be forced out by means of a blow on the striking-piece 2. The valve may be rotated to grind it upon its seating. The invention is applicable to other types of valves.
Patent GB-879049-A (GB)
Title: Photographic color proofing
Inventor: SCHWERIN ANDRE KURT
IPC: G03C8/40
Filed: 1960-02-12
Abstract: 879,049. Photographic colour-proofing procedure. GENERAL ANILINE & FILM CORPORATION. Feb. 12, 1960 [March 3, 1959], No. 5144/60. Drawings to Specification. Class 98(2) Positive working colour-proofing film comprises a base, a first layer as of hardened gelatine m.p. above 40‹C. containing dispersed oxidizing agent, and a second layer thereon as of unhardened gelatine m.p. 28‹C. comprising silver halide emulsion containing dispersed oil-soluble water-diffusible colour coupler. Procedure therewith is exposure as under a positive, colour development whereby coupler corresponding to the image areas migrates down to the first layer and couples with developer therein which is conditioned by the oxidizing agent, to form a dye image corresponding more closely to printing inks than that made from diazo proofing materials; and finally melting and rubbing the first layer away to reveal the image. In Example I a formaldehyde hardened silver bromide emulsion is coated on to a cellulose acetate film and prefogged; a solution of 1-phenyl-3-[p-tertiaryamylphenoxy)-butyrylaminol-5-pyrazolone in phenethyl alcohol is blended into a brom-iodide emulsion of low melting point and overcoated to form the second layer, and the film so made is exposed, colour developed, washed, bleached, fixed, and treated as above to remove this layer and show a magenta image, the fogged silver halide having acted as oxidizing agent. Example II is similar but uses o-chloroacetoacetanilide as coupler and cupric sulphate for oxidizing, with omission of fogging, bleaching and fixing, to produce a yellow dye image. Lists of other couplers including some for cyan, solvents therefor, oxidizing agents, colour developing agents, colloids to replace the gelatin, supports and so on are provided. The processed films may be used singly, or in overlays as for projection, display, charts or graphs; as well as colour comparison in lithographic or rotogravure proofing.
Patent GB-1195355-A (GB)
Title: Process for Continuous Dyeing Polyester Textile Materials
Inventor: BOEHMKE GUENTHER
IPC: D06P1/52
Filed: 1969-01-30
Abstract: 1,195,355. Continuous dyeing of polyester materials. FARBENFABRIKEN BAYER A.G. 30 Jan., 1969 [2 Feb., 1968; 13 Jan, 1969], No. 5212/69. Heading D1B. Textile materials consisting of or containing polyester fibres are dyed 'by the Thermosol process with padding liquors containing disperse dyes, a polyacrylic acid alkylene glycol ester and an alkoxylation product of a Mannich compound produced from a phenol, formaldehyde and an amine, or a 1-2 -SO 3 M groups containing alkoxylation product of a fatty amine or quaternisation product thereof in which M is hydrogen, an alkali metal atom, alkaline earth metal atom or an ammonium group. The proportion by weight between the polyacrylic acid alklene glycol ester and the alkoxylation product is preferably 1:1-10. Preferred polyacrylic acid alkylene glycol esters are the hydroxyethyl or hydroxypropyl ester of polyacrylic acid or polymethacrylic acid.
Patent GB-216562-A (GB)
Title: Improvements in and relating to electrical discharge apparatus
IPC: H01J19/68
Filed: 1923-02-23
Abstract: 216,562. British Thomson-Houston Co., Ltd., (General Electric Co.). Feb. 23, 1923. Sparking, preventing. -A thermionic tube 59 in which the current falls rapidly owing to a decrease in the emissivity of the cathode when the anodecathode voltage exceeds a critical value, is shunted across a switch 57. Normally a switch 58 in the, cathode circuit is open. When the main circuit is to be opened the switch 58 is closed and the switch 57 opened so that the current passes through the tube. The switch 58 is then opened to de-energize the cathode, and the resulting increase in voltage causes a large drop in the current and an interruption of the circuit without surges. A switch 60 may be provided to open the circuit permanently after it has been de-energized. In a similar arrangement for use with alternating current two tubes are oppositely connected in the circuit of the main switch.
Patent GB-764168-A (GB)
Title: Process for the manufacture of pure dehydracetic acid
IPC: C07D309/36
Filed: 1955-02-22
Abstract: Dehydracetic acid is produced by the action of an alkali metal acetate catalyst on diketene at a raised temperature in the presence of a carboxylic acid anhydride and an inert solvent and the crude product is purified by distilling it at elevated temperature under reduced pressure with a mixture of hydrocarbons boiling within the range of 200 DEG  to 270 DEG  C., cooling the distillate, separating the solid dehydracetic acid from the distillate, and freeing the separated acid from the adherent hydrocarbons, e.g. by washing with a low-boiling hydrocarbon, or butanol, with the aid of heat, separating the washed acid and drying it, if desired, under reduced pressure, or by dissolving the separated acid in aqueous alkali, separating the aqueous layer, precipitating the acid with mineral acid and drying the precipitated acid, if desired, under reduced pressure.  Sodium acetate is the preferred catalyst and acetic anhydride and propionic anhydride are suitable carboxylic acid anhydrides.  In an example, a mixture of benzene, sodium acetate and acetic anhydride are heated under reflux while a mixture of diketene and benzene is added gradually, then gentle refluxing is continued until the diketene has reacted, whereafter benzene is distilled off and the product is purified as previously described, by distilling with a mixture of hydrocarbons having a boiling range of 220-235 DEG  C.  Reference is made to the use of a mixture of hydrocarbons boiling in the range 200-270 DEG  C. as inert solvent and to the gradual addition of diketene, diluted or not with such a mixture of hydrocarbons, to a mixture of the catalyst, the carboxylic anhydride and the mixture of hydrocarbons boiling in the range 200-270 DEG  C.
Patent GB-621425-A (GB)
Title: Lawn mowers
IPC: A01D34/47
Filed: 1947-02-24
Abstract: 621,425. Lawn-mowers. GREEN & SON, Ltd., T., KNIGHT, F. B., and OWEN, W. A. Feb. 24, 1947, No. 5370. Addition to 600,062. [Class 6(ii)] [Also in Group XXIV] A two-speed drive between the land roller and cutter cylinder of a lawn-mower includes epicyclic gearing which can be locked to provide a direct drive between the roller and cutter. The spindle 1 of the land roller D has an extension 3 on which is splined a pinion 4 meshing with one gear 14 of a double planet wheel 13, the the other gear 15 of which engages a sun-wheel 16. Several (planet wheels 13 are mounted in a hollow casing 6, 7 carrying a sprocket ring 9 which drives the cutter cylinder C through a chain drive 10, 11. The casing rotates on the pinion 4, and the sun-wheel 16 rotates on a sleeve 19 on the spindle extension. A longitudinally-slidable sleeve 18 integral with the sun-wheel 16 is provided with lugs which engage either dogs 24 on the casing 7 or clips 27 on the cover plate 26 of the gearing. In the former position, the epicyclic gearing is inoperative and the mechanism operates as a direct chain drive from the shaft 1 to the cutter cylinder, but in the latter position the sun wheel 16 is locked and the planet gears 13 revolve around it. In a modification the epicyclic gearing is mounted entirely within the roller D, and in a further modification the chain drive 10, 11 may be replaced by a spur-gear train. Specification 579,261 is referred to.
Patent GB-404818-A (GB)
Title: An improved plotting device
IPC: G01B3/56
Filed: 1933-02-22
Abstract: 404,818. Protractors. WATSON, C. E. H., Public Works Department, Whangarei, New Zealand. Feb. 22, 1933, No. 5463. Convention date, Oct. 21, 1932. [Class 97 (iii).] A protractor for use in plotting cross sections comprises a semi-circular plate 1, Fig. 7, with scale divisions extending outwards from zero at the centre of the diametral edge 2 and angular divisions on the curved edge extending in both directions from a zero on the perpendicular through the zero of the diametral edge. Means are provided to enable the protractor to be pivoted about the zero on the diametral edge and may comprise a notch, a fixed pin, a pin which may be moved from a position flush with the surface of the protractor to a working position by rotation or sliding, or a pin 20 clamped in a spring arm 17 so as to be normally held away from the drawing surface. A series of lines parallel to the line joining the two zeros may be drawn through the graduations on the edge 2 or a scale 4 parallel to the edge 2 provided. In a modification, Fig. 6, a transparent triangular or other shaped plate has a straight edge 2 and a semicircular mark, both graduated as in Fig. 7. A pivot pin 6a is fixed on an arm 17a pivoted to the plate at 30 and having a cross piece 27 with studs 28 adapted to engage cavities 29 when the pin is in working position. An aperture 39 enables a mark to be made adjacent the zero on the semicircular mark. In an alternative form, the plate is opaque and has a cut-away portion along the edge of the semicircular mark.
Patent GB-459337-A (GB)
Title: Improvements in means for locking firearms in elevation and training
IPC: F41A19/55
Filed: 1936-02-24
Abstract: 459,337. Gun mountings. BOYSSON, J. B. A. DE, 6, Boulevard Ornano, Paris. Feb. 24, 1936, No. 5547. Convention date. May 13, 1935. [Classes 92 (i) and 92 (ii)] A gun 10, mounted to permit of elevation and training, is automatically locked to its mounting on discharge by power-operated means brought into operation when the trigger is actuated. In the form shown, pneumatic servomotors 13, 14 of the piston and cylinder type are connected by branch pipes 11, 12 to a pipe line 7 serving to operate the trigger servomotor 9. Air from a bottle 6 is admitted to the pipe line 7 by a control valve 5 released by a lever 1 on the control handle 2 of the servomotor 3 which moves the gun mounting. The servomotors 13, 14 operate upon braking plungers engaging plates 18, 18<a> on the gun mounting. The braking plungers may be replaced by serrated members engaging notches in the plates. Specification 424,002 is referred to.
Patent GB-105604-A (GB)
IPC: A61F2/58
Filed: 1916-04-17
Abstract: 105,604. Adams, A. C. April 17, 1916. Vices.-A hand-vice for attachment to an artificial arm is provided with a ball-end c against which the end of a locking-set screw abuts. The cup d carries a screw e for attachment to the arm, and the pin k of the vice carries a screwed extension l for attachment to a table or for alternative attachment to the arm.
Patent GB-102672-A (GB)
Title: Improvements in Match Stands.
Inventor: ANDREN OSCAR IVAR
IPC: A24F27/08
Filed: 1916-04-19
Abstract: 102,672. Andren, O. I. April 19, 1916. Coating - machines. - Conical match-strikers 5 adapted to be removably secured upon a matchstand are placed upon a holder 11 in order to facilitate dipping into igniting- composition.
Patent GB-717753-A (GB)
Title: Improvements in and relating to thickness gauges employing radioactivity
IPC: G01N23/203
Filed: 1951-03-09
Abstract: 717,753. Radio-active thickness gauges. ISOTOPE DEVELOPMENTS, Ltd., FEARNSIDE, K., and SHAW, E. N. March 10, 1952 [March 9, 1951], No. 5739/51. Class 40 (3) The thickness of material is measured from one side by detecting the back scattering of a beam of radio-activity directed at an oblique angle to the surface of the material. As shown the radio-active source 19 which may be cobalt 60 is mounted eccentrically in a tube 20 which rests in a hole in a lead block 10. This tube has the effect of collimating the beam. In a larger hole 16 are mounted four Geiger tubes 22 which are thus shie'ded from direct radiation from the source and receive rays scattered from the material One pair of these tubes are at a greater distance from the surface under examination than the other. The four tubes may be replaced by a single detector of the scintillation type. The lead block is supported within a steel casing including a flat bottom plate 11. The Geiger tubes are mounted in brass tubes 23 surrounded by a single larger tube 24 through which cooling water (which may be temperature controlled) is circulated. Variation in the distance of the steel from the gauge is compensated by the fact that as the steel moves towards or away from the gauge the Geiger tubes "see" less or more of the irradiated area. Circuit.-The counter tubes are coupled to a unit 31 which both provides a quenching voltage for the tubes which may be halogen field and produces a constant output pulse for each counter pulse. These pulses are integrated and the direct voltage produced is amplified at 33 and applied to a grid of a pair of cathodes 34, 35 with a commor cathode resistor. The potential of the other grid is determined by a tapping 39 on a potentiometer and between this tapping and a further tapping 42 is mounted a voltmeter 41. By adjusting the set ting of tap 39 the mean cathode current of tube 34, and hence the range of reading of milliameter 38 is determined. Initial adjustments of the voltmeter reading are made with the tap 42 which is then fixed.
Patent GB-139498-A (GB)
Title: Improvements in or connected with receivers for use in connection with signalling by sound waves
IPC: G01S1/72
Filed: 1920-02-25
Abstract: 139,498. Pupin, M. I. Feb. 4, 1918, [Convention date]. Condenser telephones. - In apparatus for receiving ultra - audible high - frequency vibrations, particularly for subaqueous use, the receiver proper may be a diaphragm carrying a coil and vibrated in a strong magnetic field, or, as shown, may be condenser comprising an inner conductor 1 with an outer conducting sheath 3 separated by a layer of yielding insulating material such as Para rubber. Insulating end caps 4 are provided through which pass a lead 9 connected to conductor 1 and leads 10, 12 connected through external conducting rings 5 with the covering 3. In use, the condenser is connected, in parallel with a large condenser (not shown), to a source of E. M. F. and is immersed in the medium through which the vibrations are received.
Patent GB-163808-A (GB)
Title: Traction engine for ploughs with rope-drum mounted upon the driving axle
IPC: A01B3/68
Filed: 1920-02-26
Abstract: 163,808. K³hn, L. Feb. 26, 1920. Winding and paying-out apparatus on motor vehicles.-A traction engine with a winding- drum on the rear axle is fitted with chain gear for driving the drum and the rear axle from a countershaft mounted on the boiler or engine frame, the gearing being identical on opposite sides so that the winding-drum can be arranged either to the right or left of the tractor. The winding-drum 4 is fitted with a sprocket 5 driven from a sprocket 11 on the countershaft 10. The rear axle 2 is driven from a sprocket 12 similar to the sprocket 11. The sprockets 11, 12 are selectively driven from the crank-shaft 9 through identical trains 13, 15 and 14, 16.