baber/WOPTO huggingface dataset:
Patent GB-232781-A (GB)
Title: Improvements in and relating to pigeon timing clocks
IPC: G07C1/26
Filed: 1924-04-30
Abstract: 232,781. Stevens, W., Hathaway, J. G., and Bartlett, B. W. April 30, 1924. Timechecking apparatus, check and token.-Apparatus of the type in which the insertion of the identifying member through an aperture in the clock casing starts the clock and closes the aperture comprises a tube A extending into the casing and having a curved slot A<2> near its open end and a longitudinal slot A<3> near its closed end. Through the slot A<3> works a pivoted lever C adapted to be depressed on the insertion of a pellet holding the pigeon ring so as to release a hook B from a spring-pressed arcuate slide D slidable in bearings J and urged in an anticlockwise direction by a spring G. On the release of the slide its end D<1> takes into the slot A<2> and closes the tube A, and a spring F fixed to the slide is moved out of contact with the balance-wheel M of the clock thus allowing it to start. A spring L engages with ratchet teeth D<3> in the slide D to prevent clockwise movement. The slide is provided with a handle D<5> to allow the parts to be reset when the cover of the casing is opened.
Patent GB-643204-A (GB)
Title: Improvements in or relating to cocks
IPC: F16K11/074
Filed: 1946-04-05
Abstract: 643,204. Filters. BALMER, E. April 5, 1946, No. 10628. Convention date, April 6, 1945. [Class 46] [Also in Group XXIX] A filter used in a petrol &c. cock (see Group XXIX) comprises a slotted hollow cylinder, Fig. 5, internally threaded at its upper end for attachment to a threaded boss on the cock, and a cylindrical filter element, Fig. 6, which is retained on the slotted member between a flange thereon and a surface of the cock housing.
Patent GB-199539-A (GB)
Title: Improvements relating to receptacles for the transport of merchandise and for similar purposes
IPC: B65D21/02
Filed: 1922-04-13
Abstract: 199,539. Collingridge, J. April 13, 1922. Boxes formed of separate bodies combined in tiers.-An open tray, intended for the transport of fruit &c. is provided with members c extending above the top of the side walls and adapted to engage openings in the bottom of a similar tray stacked above it. The bottom of the tray is formed in sections spaced apart to allow ventilation. The uppermost tray may be provided with a removable lid.
Patent GB-106821-A (GB)
IPC: G09F3/03
Abstract: 106,821. Schlesinger, J. E. May 27, 1916, [Convention date]. Seals. - A seal comprises two metal parts, Fig. 1, the upper part having four prongs 2 with ribs 3 between them, and the lower part having an annular channel 6 with a bead 7. Strings or cords 8 are placed between the prongs, and the two parts of the seal are then clinched together, whereby the prongs 2 are bent as shown in Fig. 2.
Patent GB-106890-A (GB)
IPC: C04B33/13
Abstract: 106,890. Feldenheimer, W. July 10, 1916. Wet-separating.-In washing and cleaning clay, particularly china clay, a dilute solution of sodium carbonate is used in place of water to facilitate the deposition of the mica and other impurities from the clay in suspension as it passes over the mica drags. After the clay has passed over the mica drags, it may be passed to a settling-tank where a further quantity of " mica " is deposited and afterwards to a depositing chamber where the deposition of the clay is facilitated by the addition of an acidifying agent such as commercial alum or sulphuric acid sufficient to neutralize the alkalinity of the suspending liquid.
Patent GB-461470-A (GB)
Title: Improvements in or relating to egg cartons
IPC: B65D85/32
Filed: 1936-04-14
Abstract: 461,470. Egg cartons. HESCHE, K. April 14, 1936, No. 10784. [Class 18] A filler for an egg carton is formed or provided at the bottom of each cell with a hole 5 so that, without removal from the _filler, the eggs can be tested by placing the filler upon a transparent plate illuminated from below. The filler comprises a sheet of cardboard &c. 2 bent to W-shape, and transverse members 4 inserted in slits in the bent sheet 2. The carton may have flanges 7 with oblique edges 6 engaging between the members 4. Reference has been directed by the Comptroller to Specification 213,760, [Class 18].
Patent GB-518962-A (GB)
Title: Improvements in and relating to the production of acetone and butyl alcohol by fermentation
IPC: C12P7/28
Filed: 1938-04-09
Abstract: 518,962. Production of acetone and butyl alcohol by fermentation. WEIZMANN, C. April 9, 1938, No. 10955. [Class 14 (ii)] Peanut cake and a cereal such as rice or maize is added to a molasses mash to be fermented by an acetone-butyl alcohol producing organism. The proportions may be 3 peanut cake, 20 cereal, and 100 beet or cane molasses, water being added to make the mash. Commercial peanut cake is usually used, but defatted cake may be used.
Patent GB-435574-A (GB)
Title: Improvements in or relating to electric amplifying systems and the like
IPC: H04N5/30
Filed: 1934-04-11
Abstract: 435,574. Valve amplifying circuits. JOHNSTONE, D. M., and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. April 11, 1934, No. 10968. [Class 40 (v)] The ratio of signal to extraneous disturbance is improved by interrupting the signal and amplifying in a super-regenerative circuit, the quenching of which is substantially complete between impulses. The Figure shows a photo-electric cell P to which the signal is applied, connected in series with an alternating potential coupled to a tuned circuit L, C in the input of the super-regeneratively connected valve V. The quenching frequency is preferably high compared with the signal frequencies, but lower than that of the circuit L, C and may lie at or near one of the elided frequencies of an electro-optical scanning system as described in Specification 393,960. In a modification the light signals are interrupted by a Kerr cell which may have impressed on it a frequency having a rectangular or flattopped waveform.
Patent GB-551636-A (GB)
Title: Treatment of carbonised steel alloy surfaces to remove carbonaceous material therefrom
IPC: C23G1/00
Filed: 1941-08-29
Abstract: 551,636. Cleaning metal surfaces. BRITISH CELANESE, Ltd. Aug. 29, 1941, No. 11040. Convention date, Aug. 31,1940. [Class 82 (ii)] [Also in Group XXVIII] Carbonaceous material is removed from the carbonized surfaces of alloy steel articles such as tubes, reactors, and other articles by first treating with wet steam, then with an aqueous solution of a strongly oxidizing inorganic acid, e.g. nitric or chromic acids, and a hydrohalide acid, e.g., hydrofluoric acid, and then with a more concentrated solution of the strongly oxidizing acid. The first acid treatment may be effected with a solution. containing 6-12 per cent. of nitric acid and ¢-3 per cent. of hydrofluoric acid for about 2-6 hours and the second treatment with nitric acid 10-20 per cent, concentration for about 1-2 hours, both treatments being carried out at 70-90‹C. and the surfaces washed with water after each treatment. The initial treatment is effected with steam containing 5-20 per cent. of. moisture for 6-24 hours.
Patent GB-527438-A (GB)
Title: Improvements in and relating to the production of hosiery on straight bar knitting machines
IPC: D04B9/46
Filed: 1939-04-11
Abstract: 527,438. Knitting. SCHUBERT & SALZER MASCHINENFABRIK AKT.-GES. April 11, 1939, No. 11042. Convention date, April 30, 1938. [Class 74 (ii)] A stocking made in one working operation on a straight-bar machine has the heel portions produced, during suspension of knitting at the instep, by transferring outwardly by one needle all but the innermost two or three loops of every second course and after every fourth course decreasing the inner travel of the thread guides by two needles. As shown in Figs. 1 and 2 the needles 1 and 2, 3 and 4 &c. put out of action retain their loops and during knitting of the heel the side loops are thereby brought into alignment with the instep as shown in Fig. 2. Tuck loops may be formed on the innermost needles and one or more of the loops between the inner needles may be elongated and transferred inwardly or outwardly.
Patent GB-875975-A (GB)
Title: Air heater
IPC: F24H3/06
Filed: 1960-03-29
Abstract: 875,975. Air heating stoves. KUSTERS, W. A. H. March 29, 1960 [March 31, 1959], No. 11114/60. Class 64(1) An air heater comprises a combustion chamber 1<SP>1</SP> from which combustion gases flow successively through two spaced apart channels 5, 7 disposed concentrically around the combustion chamber to a flue gas chamber 9 thereabove, whilst air to be heated flows in three parallel paths 19, 20, 21 located respectively between the combustion chamber and the inner of the flue gas channels, between the two flue gas channels, and between the outer flue gas channel and a cylindrical casing 1 spaced therefrom. The upper part of the outer flue gas channel 7 is formed as a series of flue tubes 8 between which the heated air is discharged. The air is preferably forced upwardly through the paths 19, 20, 21 by a fan 11. The heater is preferably oil fired. A frangible member such as a glass disc 3<SP>1</SP> at the upper end of the combustion chamber is designed to break if the pressure in the combustion zone exceeds a predetermined value. Combustion gases would then be discharged from the chamber 1<SP>1</SP> into the flue gas chamber 9 and thence to the stack 9<SP>11</SP>.
Patent GB-156448-A (GB)
Title: Improvements in crimpled paper and like fabric
IPC: B31F1/12
Filed: 1920-04-22
Abstract: 156,448. Otaka Fabric Co., and Lorenz, W. A. April 22, 1920. Corrugated and crinkled paper; corrugating and crinkling apparatus.-Paper is corrugated longitudinally and crimped laterally to the form shown in Fig. 11. The corrugations may be produced by the passage of the paper between formers 15, 16,. Figs. 2 and 5, from which it passes between corrugated rolls 20, 21 to a cylinder 22 correspondingly corrugated. The paper may be treated dry, or may be steamed, or water-sprinkling pipes 58, 59 may be provided for both sides of the paper. Preferably the moistened paper is dried by heating the cylinder 22. A doctor blade 30 with a waved edge to correspond with the corrugations in the paper and in the cylinder 22 obstructs and strips the paper and thereby laterally crimps it. The cylinder 22 has a vacuum chest 25 and pipe 26 acting in conjunction with it, is power-revolved and may communicate rotation to the roll 21. The blade 30 and the vacuum chest 25 fit the cylinder closely enough to maintain a partial vacuum which facilitates the change of direction of the paper web. A roll 33 which may be con. structed of rubber or the like and with grooves to match the web corrugations assists in forcing the paper against the doctor blade. The front face of the blade may be plain or may be bevelled off at its lower edge. Specification 1610/71 is referred to.
Patent GB-414622-A (GB)
Title: System of connecting nozzles or branch pipes to pressure vessels
IPC: F16L41/08
Filed: 1934-04-13
Abstract: 414,622. Pipe joints. BABCOCK & WILCOX, Ltd., and WEEKS, E. G., Babcock House, Farringdon Street, London. April 13, 1934, No. 11146. [Class 99 (i).] A pipe is connected to a steam receiver or other container by welding it at 3 around the outside of the hole through which it projects, fitting over the end of the pipe a heavy washer 4 shaped to fit the wall of the container, and expanding the end of the pipe only into a recess 5 in the washer.
Patent GB-274039-A (GB)
Title: Improvements in speed reducing gears for internal combustion or like engines
IPC: F16H1/28
Filed: 1927-04-26
Abstract: 274,039. Barbarou, M. J. B. July 8, 1926, [Convention date]. Addition to 264,785. Centrifugal - action lubricating.-In epicyclic toothed reducing-gearing of the kind claimed in the parent Specification for use with internal - combustion engines, the planet pinions 20 are carried on juxtaposed rows of bearing-rollers 22 retained by shoulders 27a, 80, collars 75, 76, and a spring ring 77 upon a shaft 27 carried in a ring 24 and a disc 23 integral with the driven shaft. Oil passes from the driven shaft bearing 10 by centrifugal action through holes 78, 79 to the hollow centre of the shaft 27 and thence by holes 80, 81 to the roller bearing and to the planet pinion teetli.
Patent GB-114253-A (GB)
Title: Improvements in Reinforced Floors or Roofs.
Inventor: HIRSCH ERNEST
IPC: E04C3/22
Filed: 1917-10-15
Abstract: 114,253. Hirsch, E. Oct. 15, 1917. Girder floors; reinforced block-work beams; roofs.-A floor or roof is composed of beams laid side bv side, each beam consisting of solid or hollow bricks a, a cement mortar, or concrete bed b containing reinforcements c, and a bottom layer of tiles d which preferably project at the sides to form spaces between the beams for grouting and the insertion of shear reinforcements. The beams are made off the site, and when in place may be covered with a top layer of concrete.
Patent GB-716289-A (GB)
Title: Improvements in convector air heaters incorporated in domestic open fireplaces
IPC: F24B1/188
Filed: 1952-05-06
Abstract: 716,289. Heating air in open fireplaces. KILVERT, J. G. Feb. 10, 1953 [May 6, 1952], No. 11365/52. Class 64(3) In a convector air heater comprising hollow walls around the grate 4 of an open fireplace, two separate air passages lead from an air inlet or inlets 10 on one side of the heater, one passage extending along the lower parts of the side wall 1 and back wall 3, and returning along the upper part of the back wall to a hot air outlet 14 at the top of the heater, and the other passage extending along the side wall to the outlet 14. A third air passage leads from the inlet or inlets 10 along the front wall 2 and back along the front wall and side wall above a cross partition 7 to the outlet 14. A vertical partition 6 in the side wall 1 has ports 11, 12 respectively above and below the rear end of partition 7. The port 12 is partly above and partly below the front end of a cress partition 9 which extends along the side wall and into the back wall. A central' vertical partition divides the space in the back wall 3 into two parts. A similar set of passages is provided on each side of the heater.
Patent GB-350130-A (GB)
Title: A mechanical contrivance for teaching languages
IPC: G09B19/08
Filed: 1930-04-11
Abstract: 350,130. Teaching languages. BOLTON, C. H., 423, Oxford Road, Manchester. April 11, 1930, No. 11480. [Class 146 (ii).] In a mechanical device for teaching languages of the kind in which movable slides having the words on any one slide belonging to the same part of speech are so mounted in a frame that a sentence set up in one language is shown by the slides through a suitable aperture or apertures in correct sequence in a second language, the slide carrying the subject pronouns is pivotally connected to the slide carrying the verb endings in order that the selection of the appropriate pronoun will automatically select the verb ending. As applied for English-French translation, eleven slides inscribed with French words are adapted to slide in a casing, and the first slide B<1> and the ninth slide B2, which are inscribed with subject pronouns and verb endings respectively, are pivotally connected by means of cross-bars b<1>, which are pinned together at b<2>. A cover A<1> for the casing is provided with a slot a<1> which exposes the words on the slides, and slots a are provided over each slide for indicators C, which are secured to each slide, to indicate English words inscribed adjacent each slot a. The slide B2 may be provided with the verb endings of a different tense on each of its four faces, or it may be composed of a series of strips pivoted together at one end, each strip having inscribed on it the different verb endings. A space is left between the ninth and tenth slides so that when a question is to be constructed the slide B<1> can be withdrawn from its compartment, swung about the pivot b2, and inserted in the vacant space between the ninth and tenth slides to expose the hyphenated subject which is inscribed on its opposite side. The two columns for the negative, numbers two and ten, are preferably connected together by a cross-bar A<2>. To construct a sentence in French the indicators C are moved, together with their respective slides, opposite the appropriate English words, when the French sentence will be exposed through the slot a<1>. A slot is provided in the back of the casing behind the space between the ninth and tenth slides to accommodate the indicator C on the slide B<1> in this position.
Patent GB-233363-A (GB)
Title: Automatic firearm with recoiling barrel
IPC: F41A3/26
Filed: 1925-05-04
Abstract: 233,363. Soncini, C., and Castelli, V. May 3, 1924, [Convention date]. Machine guns.-Relates to short barrel-recoil guns having a bolt-locking sleeve operated by engaging a fixed part of the gun. According to the invention, the sleeve 15 is operated by the engagement of helical surfaces 18, 19 at its ends with corresponding helical surfaces formed on inwardly projecting bosses fixed to the gun casing 2. The sleeve 15 is rotatably mounted on the barrel 1 and is adapted to engage locking lugs 17 on the bolt 7. A yielding spring detent is provided to hold the ring in the unlocked position during the independent movement of the breechbolt. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a breech action shown in Fig. 1 (Cancelled) in which the locking mechanism comprises a hooked lever 3 pivoted to the barrel 1 and engaging a notch 6 on the breech-block 7: The lever has a projection 8 engaging the inside of the breech casing 2 and is pressed outwards by a spring 9 so that, when the barrel recoils, the projection rides along the inclined surface 11 and enters a rounded notch 12 in the casing, thereby releasing the breech-block and acting as a detent to retain the barrel in the recoiling position until the return of the breechblock. The barrel is then pushed forwards and the lever is turned to the locking position by the incline 11. This subject-matter does not appear in the Specification as accepted.
Patent GB-626005-A (GB)
Title: Improvements in or relating to foundation piles
IPC: E02D5/52
Filed: 1947-04-30
Abstract: 626,005. Piles. LEVASSEUR, J. W. April 30, 1947, No. 11560. [Class 68 (ii)] A reinforced concrete pile is formed of superposed sections each comprising a central body with radial uniformly-spaced arms A containing embedded reinforcing rods 30 running longitudinally of the section, the ends of the rods being exposed at the upper and lower ends of the section to enable them to be connected to the rods of the next section. As shown in Fig. 8, the rods are welded together in a recess 47 which is afterwards filled with grout. Each section has a central bore 26 for taking soil samples, introducing pumping or surveying apparatus or an operator, or passing water or grout under pressure to the bottom of the pile to provide an enlarged base. The bore 26 has a collar 45 at the top (Fig. 4) which fits in a cavity 46 in the section above, the sections being cemented together.. In the form shown in Fig. 2, shorter " horns " H project between the arms. In addition to rods 30, longitudinal reinforcing rods 31-34 are provided, and the rods 30-34 are connected by wires trained round and welded to them as shown. To facilitate transport, the section may be halved along the line C-C. The halves are cemented together on the site and additionally connected by a link 40 (Fig. 5) passing over the rods 34 which project into cavities 41. Other pile sections are described and shown which are of generally triangular, or polygonal form with or without " horns."
Patent GB-550089-A (GB)
Title: Improvements in turntable fire ladders, water towers and the like
IPC: E06C5/16
Filed: 1941-09-10
Abstract: 550,089. Wheeled fire ladders or scaffolding. MERRYWEATHER & SONS, Ltd., OSBORNE, J. H., ALLESTREE, W., and BURFORD, A. W. Sept. 10, 1941, No, 11572. [Class 20 (ii)] [Also in Group XXI] Wheeled turntable fire ladders, water towers, and the like have the essential movements of the device operated from gearing on the chassis which provides for only partial rotation of the turntable in either direction from the normal central position instead of for continued rotation in either direction. In one form, the steel ropes which perform the movements pass over pulleys A, A<SP>1</SP> fixed beneath the turntable, one on each side of a horizontal axis but on one side of the centre of the turntable, to pulleys B<SP>1</SP> disposed on the turntable, so that as the turntable is rotated in either direction the ropes twist about the central vertical axis of the turntable to which they normally lie parallel. In another form, the ropes pass between pairs of pulleys C, C<SP>1</SP>, Fig. 6, on the turntable disposed at one and the same side of the horizontal axis but on opposite sides of the horizontal axis at right-angles to the former, to guide pulleys D carried by the turntable and disposed nearer to the circumference thereof ; rotation of the turntable in either direction causes the ropes to wrap around the pulleys C or Cl which at the same time move around the axis of the turntable to compensate for the extra length of rope on the pulleys.
Patent GB-715199-A (GB)
Title: Improvements in and relating to domestic stoves and fireplaces
IPC: F24B1/18
Filed: 1951-05-18
Abstract: 715,199. Domestic fireplaces. LOMAX, W. Aug. 18, 1952 [May 18, 1951; Feb. 16, 1952], Nos. 11632/51 and 4172/52. Class 126 In a domestic stove or fireplace the combustion gas flow to the chimney is controlled by providing at the back of the firespace an associated damper plate and forwardly inclined removable rear grate member through which the combustion gases are compelled to flow on their way to the chimney. In the embodiment shown a fireplace comprising the usual fireback 10, side cheeks 11, grate 13, front 16, and ash box 17 is provided witt a grid like metal or refractory member 19 which rests, at its lower edge, in grooves 18 formed at the rear of the grate 13, and at its upper edge, against a heat radiating member 24 which is inclined rearwardly and downwardly from the top of the fireplace frame 12 and which forms with the fireback 10 a flue 26 leading into the chimney 27. Control of the gas flow through the member 19 is effected by a tiltable damper plate 22, which is disposed behind the member 19 resting at its lower edge in lugs 21, which are formed on the rear side lower edge of the member. The damper plate is tiltable between limiting positions of either rest alongside the member 19 or rest against the fireback 10 by a rod 23 which is connected to the damper at its upper edge. The heat radiating member 24, which is preferably a plate of polished metal, is formed with side cheeks 25 and it may be provided on its rear face with fins 29. The member 19 may be formed of separate renewable sections and the fireplace may be used for heating a hot water system when suitably modified. According to the first Provisional Specification a fuel hopper may be provided within the upper part of the fireplace the feed therefrom being controlled by a movable plate or the like. In an embodiment described in the second Provisional Specification there is no rear grate member complete combustion of the fuel being aided by the provision of auxiliary flues which extend from points below the normal level of the fuel to an outlet in the main chimney above the level of the fuel. They may open into a smoke box provided with a damper controlled from the front of the fireplace. The flues may be used to heat a boiler or an oven. The reflector plate may be connected to another plate disposed within the fireplace surround and provided with air channels to serve as a convector heater. The grate may comprise removable or rockable firebars. Gas flow in the space behind the reflector may be controlled by a damper which may be incorporated with the auxiliary flue damper.