baber/WOPTO huggingface dataset:
Patent GB-1427573-A (GB)
Title: Rotary drum assemblies
IPC: B41F27/12
Filed: 1973-06-15
Abstract: 1427573 Clamping printing plates RICOH KK 15 June 1973 [17 June 1972] 28628/73 Heading B6C [Also in Division G2] Rotary drum 1 receives a succession of sheets 2, which may be lithographic printing plates, and grips them in leading and trailing edge clamps actuated in dependence on the rotational position of the drum. The trailing edge clamp is arranged to open when the leading edge clamp grips the leading edge of a sheet 2, and to close when the trailing edge of the sheet is within its grasp. Preferably the sheets are pre-imaged lithographic printing plates, and are etched while on the drum, which then acts as a printing cylinder, or are electrophotographic recording members which are charged, imaged, developed and used as lithographic printing plates while on the drum. After use, the sheets are stripped from the drum and discharged.
Patent GB-503186-A (GB)
Title: Improvements in or relating to the fireproofing of materials consisting at least partially of rubber
IPC: C08K3/16
Filed: 1938-10-03
Abstract: 503,186. Fireproofing rubber. WITUSKI, T. Oct. 3, 1938, No. 28701. Convention date, June 15. [Class 70] Natural or artificial rubber is fireproofed by incorporating therein a mixture of a metal or metalloid chloride and a metal or metalloid oxide to form an oxychloride compound. The rubber is preferably first purified. The chloride and oxide may be incorporated in solid rubber but they are preferably incorporated in an aqueous dispersion or solution of the rubber, e.g. a solution in carbon.tetrachloride or tetrachlorethylene with or without benzene. Chlorides specified are those of magnesium, tin, zinc and ammonia ; hygroscopic chlorides are preferably employed but if a non-hygroscopic chloride is used it is usually necessary to have water present. Oxides specified are those of magnesium and zinc; the oxide may be replaced in part by talc. If the chloride and oxide are incorporated in a dispersion of rubber, an alkaline solution is preferably first added to the dispersion to avoid coagulation ; suitable alkaline solutions are an aqueous solution containing borax and ammonia or a solution in tetrachlorethylene or carbon tetrachloride and benzene of caustic soda, potassium silicate, sodium thiosulphate and hydrogen peroxide.
Patent GB-488777-A (GB)
Title: Improvements in and relating to screening means for electric signalling cables
IPC: H01B11/08
Filed: 1937-10-21
Abstract: 488,777. Cables. FELTEN & GUILLEAUME CARLSWERK AKT.-GES. Oct. 21, 1937, No. 28707. Convention date, Nov. 26, 1936. [Class 36] A screening-filler for insertion between the conductors of a signalling-cable comprises an insulating tube containing a metallic screen of cross-shaped crosssection. As shown, the filler comprises a paper tube 1 enclosing two bent strips 2 of metallized paper, paper tubes 3 occupying the spaces between the limbs of the bent strips 2.
Patent GB-291671-A (GB)
Title: Adjusting tool for road vehicle brakes
IPC: G05G5/06
Filed: 1927-10-28
Abstract: 291,671. Middleton, E. Oct. 28, 1927. Hand actuation.-A tool for applying pressure to or holding a road vehicle brake in any desired position for enabling the brake blocks or bands to be adjusted comprises a device for engaging the pedal, rod or other operating member of the brake mechanism and the seat or other stationary part and means for regulating the distance-between the device and the stationary part. A presser foot 1 for engagement with the brake operating pedal or lever is hing-jointed to a rack 3 which slides in a casing 4 secured to a bar 5 adapted to abut against the seat or other convenient part of the vehicle. The rack 3 can be extended from the casing 4 a desired amount by a worm and worm wheel 9, 8 engaging the rack and operable by a hand-wheel 10. In operation, the vehicle wheels are jacked up, the tool is arranged as shown and the desired pressure is applied to the pedal whereupon the brakes can be adjusted. The extremity of the bar 5 may be forked for engagement with a pedal of the crossbar type, the tool being arranged in the reverse position in this case. Ratchet or screw mechanism may be substituted for the rack-and-pinion mechanism.
Patent GB-716763-A (GB)
Title: Television receiver circuit arrangement for the separation of the frame synchronizing pulses from the received mixture of line and frame synchronizing pulses
IPC: H04N5/10
Filed: 1952-11-14
Abstract: 716,763. Pulse discriminating circuits. STANDARD TELEPHONES & CABLES, Ltd. Nov. 14, 1952 [Nov. 15, 1951], No. 28764/52. Class 40 (6) In a television circuit for obtaining frame synchronizing pulses from signals consisting of frame pulses and line pulses which continue during the frame pulses, the signals are applied to a coincidence circuit directly and through a delay circuit to produce output pulses having a repetition frequency which is a multiple of that of the line pulses and which are applied to a circuit tuned to the multiple frequency. The pulse train b comprising line pulses, equalizing pulses and a slotted frame pulse is applied to the first grid of a valve and through a delay network producing the pulse train c to the second grid of the valve. Anode current passes only when an input occurs simultaneously on both grids so that the output pulse train d is produced during part of the frame pulse period having a repetition frequency four times the line pulse frequency. A circuit S tuned to this frequency is accordingly forced to oscillate at increasing amplitude and when this is sufficient a pulse X is produced in the output of a clipping circuit (not shown).
Patent GB-279893-A (GB)
Title: Dioptric vision instrument specially applicable for motor road vehicles
IPC: B60R1/00
Filed: 1927-10-28
Abstract: 279,893. Merley, A. M. Oct. 29, 1926, [Convention date]. Look-out reflectors and like observation devices fitted to vehicles.-A lens or combination of lenses I is mounted on a motor vehicle so that the optical axis is rearwardly directed. The image produced is reflected in a mirror A and is of small dimensions but covers a large field. One or more mirrors may be combined with a lens or lenses or a system of prisms having the effect of a double concave lens, for example a single mirror may be combined with a double concave, plano-concave or diverging meniscus lens. The mirrors or mirrors A may be plane or spherical, convergent or divergent and are placed in front of the driver.
Patent GB-281625-A (GB)
Title: Improvements in surgical syringes
IPC: A61M5/178
Filed: 1927-10-29
Abstract: 281,625. Krupp Akt.-Ges., F. Dec. 6, 1926, [Convention date]. Drawings to Specification. Syringes.-The breaking of glass surgical syringes during sterilisation by boiling is avoided by making the piston thereof of nickel steel containing 30-40 per cent, preferably 36 per cent of nickel, this alloy having a very small coefficient of thermal expansion.
Patent GB-298492-A (GB)
IPC: D01D10/04
Filed: 1928-10-08
Abstract: 298,492. I. G. Farbenindustrie Akt.- Ges. Oct. 7, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Fibres, stapling.-In the preparation of staple fibres from artificial fibres such as viscose, where the material is subjected before cutting to treatment with liquids, drained, pressed, and centrifugal, yielding fibre of high lustre, woolliness, and wavy or crimped appearance, the parallel nature of the original winding and a practically uniform length and quality of fibre are obtained by winding the threads proceeding from the nozzles d, Fig. 1, on to hollow perforated drums a of metal, ceramic ware, or other material chemically stable or coated to make them so. The drums may be fluted. When fully wound, the drums are closed at one end by handles k, Fig. 4, and at the other by elastic washers h, fitted on to plates g and there subjected by pressure or suction to purification with liquids or vapours, and to drying. Fig. 7 shows a number of wound drums a jointed, by washers p, p<1>, p<2> and pressed between an abutment r and the end q of a suction or pressure pipe. In cutting up the material, the drums are introduced into a shaft t, Fig. 10, and cut upwardly by crowns of knives u, the distances between the knives being adjusted to suit the length of staple. The cut fibres fall on to shaking tables v, v<1> having an alternating vertical and horizontal movement, the fibres being loosened and felted together thereby. In this condition they pass through a number of fluted rollers w to a spiral passage y where the material is crinkled and finished by hot air. The material so obtained may be worked into yarn or the fibre may be blown on to a properly prepared paper web in the production of imitation silk wall papers.
Patent GB-1107222-A (GB)
Title: Improvements in or relating to elastic thread
Inventor: DOYLE GEORGE MITCHEL
IPC: D01F6/66
Filed: 1964-07-14
Abstract: An elastic thread comprises a vulcanized composition of a polymer of propylene oxide with or without further unsaturated copolymerizable compounds, in which the polymer contains at least 90 mole per cent of groups derived from propylene oxide.  The copolymerizable compound may be allyl glycidyl ether, cinnamoyl glycidyl ether, crotyl glycidyl ether, butadiene monoxide, cyclopentadiene monoxide, butadiene, 1,4 - hexadiene, dicyclopentadiene or cyclo-octadiene. The polymer of propylene oxide may be vulcanized with sulphur and a peroxide and the copolymer of propylene oxide and an unsaturated compound with sulphur and an organic accelerator.  Other saturated or unsaturated organic oxides may also be incorported in the polymer. The composition may contain fillers such as silicates, clays, silicas and whitings and anti-oxidants, e.g. amines, derivatives of thiourea, quinoline, hydroquinone, phenols and phenolic derivatives, phosphites, thiocarbamates and the reaction products of amines and ketones.
Patent GB-811560-A (GB)
Title: An improved adjustable surface marking or scribing instrument
IPC: B25H7/04
Filed: 1957-09-14
Abstract: 811,560. Scribing blocks. McMILLAN, L., and REBBECK, Sir F. E. Sept. 14, 1957, No. 28990/57. Class 61. A marking and scribing instrument comprises a scriber supported by a carrier 13 slidable on a vertical column 12 and having means for coarse adjustment thereon, the lower end of the column 12 being connected to the base for fine vertical adjustment by screw threaded lift means. The lower end of the column terminates in a screw 7 the threads of which engage in an internally threaded nut ring 2 retained against axial movement in a casing 1 which constitutes the base, the ring being rotatable in the casing to elevate the screw. A graduated disc 6 attached to the top of the ring allows angular movements of the ring to be read off against an index pointer 9. A screw 26 enables the nut ring to be clamped against rotation. The carrier 13 is locked in coarsely adjusted position on the column 12 by a locking pin 19 which engages with rack teeth 27 on the graduated column 12, the pin being operated by a hand lever 18. The scriber arm is adjustably secured to the carrier 13 by a stud which engages a slot in the arm.
Patent GB-391162-A (GB)
Title: Improvements in or relating to film guide mechanism for sound picture apparatus
IPC: G03B31/02
Filed: 1931-10-19
Abstract: 391,162. Recording, reproducing, and printing sound-films, optically. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A.-(Assignees Pfannenstiehl, H. ; 80, Boulevard West, Mountain Lakes, New Jersey, U.S.A.) Oct. 19, 1931, No. 29028. Convention date, Oct. 31, 1930. [Class 40 (ii).] Relates to a guide mechanism for an optical sound film in sound-picture apparatus, wherein the film is positioned with.respect to the light beam by being passed over a pair of freely rotatable guide rollers one or both of which are obliquely disposed with respect to the film. As shown applied to a sound reproducer, the film 11 is guided at the sound head by rollers 1, 2 which are mounted obliquely with respect to the film and have bevelled edges set at the required angle to engage the film edges. The rollers 1, 2 have shafts 3, 4 respectively, which are journalled to rotate freely in bearings 5, 6. The reproducing light beam is brought to a focus near the film 11 after which it diverges and is directed upon a photo-electric cell 10. By setting the guide roller 2 obliquely, interference with the light beam is avoided. The film is drawn in a curved path over the rollers 1, 2 by a driving sprocket 12, Fig. 2, and the required tension is imparted to the film by drag rollers 15, 17. The roller 17 is mounted on one arm of a bell-crank lever 16, the other arm of which engages a spring 18 which urges the roller 17 against the film 11.
Patent GB-448979-A (GB)
Title: Improvements in projectors and projectiles for use in games and sports
IPC: A63B65/02
Filed: 1935-10-23
Abstract: 448,979. Projectors and projectiles. MANDORF, F. PICHLER-, 53, Lowengasse, Vienna. Oct. 23, 1935, No. 29290. Convention date, Dec. 20, 1934. [Classes 132 (ii) and 132 (iii)] A missile for projection by a whip-like device comprises a streamlined shaft X of approximately rectangular section tapering towards a control surface B at the rear end, the centre of gravity C being situated just forward of the centre of the shaft. The forward end of the shaft is fitted with a ferrule A. A notch D is formed in the shaft for the temporary reception of the whip lash S, the free end of which is provided with a dome-shaped button Y. In use, the handle St is held in one hand, the rear end of the shaft in the other and propulsion effected by a swinging movement of the body.
Patent GB-1483419-A (GB)
Title: Equipment for an indoor darts game
IPC: F41J3/00
Filed: 1976-07-07
Abstract: 1483419 Dart-boards S G HANSON 7 July 1976 [12 July 1975] 29370/75 Headings A6H and A6S  A cover or envelope of plastics sheet material is provided with playing areas coloured to represent the balls of a snooker set. The envelope is mounted and dipped on a dart-board. Areas hit by a dart are marked by a felt-tip pen or the areas may be removeable discs.  The areas may overlap.
Patent GB-1461690-A (GB)
Title: Process for bulk dyeing high molecular organic compounds
IPC: C08L27/00
Filed: 1974-07-03
Abstract: 1461690 Mass colouring polymers CIBAGEIGY AG 3 July 1974 [4 July 1973] 29431/74 Headings C3P and C3R Anthrapyrimidine dyestuffs of formula wherein R is alkyl or aromatic, one X is arylamino, or a phenylthio group optionally substituted by 1 or 2 halogen atoms or C 1-4  alkyl groups and the remaining Xs are hydrogen, are used for the mass colouration of polymers, either in the solid form or as lacquer solutions.
Patent GB-992803-A (GB)
Title: Process for the production of beryllium sulphate
Inventor: TUROVSCHI VICTOR
IPC: C01F3/00
Filed: 1961-08-15
Abstract: Method for the production of beryllium sulphate from beryl by decomposition with soda, in which, after treatment of the melt with sulphuric acid and separation of silicon dioxide by known methods, the sulphate solution resulting from further treatment with sulphuric acid, is concentrated and the pH adjusted to 8.5-9, when beryllium and aluminium are precipitated as hydroxides.  Sodium sulphate is removed from the precipitated mass by an upward flow of water at 80-90 DEG  C., sulphuric acid is added and aluminium is removed as alum by the addition of potassium or ammonium sulphate. The pH of the sulphate solution is adjusted by milk of lime or sodium hydroxide.
Patent GB-538559-A (GB)
Title: Improvements in method of inlaying and inlaid articles
IPC: B44C1/26
Filed: 1939-11-06
Abstract: 538,559. Inlaying. PLASTIC INLAYS, Inc. Nov. 6, 1939, No. 29460. Convention date, Nov. 21, 1938. [Class 93] A method of inlaying articles of the kind in which an ornament, made from a relatively hard material, is pressed or inserted in an article moulded from a thermo-plastic synthetic resin, while said article, or at least a portion of the article adjacent the ornament, is heated, is characterized in that the article is burnished or reshaped adjacent the edges of the ornament to force the material of the article firmly against the ornament to hold it in place. Specified synthetic resins are phenolic resins, and condensation products of urea or thio-urea with formaldehyde. Fig. 2 shows an ornament 4 which has been pressed into a slab 2 of a thermoplastic synthetic resin by means of a heated pressing member 5, while Fig. 1a shows a dished metal ornament 4a in position within a recess in the slab 2a before heat and pressure are applied by the member 5. Fig. 3a shows the effect of the roller 6, whereby the material of the slab has been reshaped and forced against the ornament, to hold it in place. Fig. 5 shows a suitable press, in which the member 5, heated electrically by the element 28 delivers rapid taps to the ornament, to embed it in the article. Fig. 8 shows an inlaid ornament 4, subsequently covered by an adhered layer 40, either of the layers 2a or 40 being transparent or translucent.
Patent GB-732229-A (GB)
Title: Improvements in or relating to zeroising mechanism for counting apparatus
IPC: G06M1/28
Filed: 1951-12-17
Abstract: 732,229. Dispensing liquids. BELL, T. A. and SUTTON, E. S. Dec. 17, 1951 [Dec. 20, 1950], No. 29494/51. Class 116. [Also in Group XIX] A liquid dispensing apparatus includes quantity and price counters (see Group XIX) having zeroizing mechanism which is locked against operation during pump actuation. The locking means comprise a plate 45, Fig. 1, having a vertical movement to actuate the pump switch, not shown, and located adjacent a segment disc 43 on a shaft 41 of the counter zeroizing train. The disc 43 has a flat 49 and a pin 44 by which it controls a ball-crank latch 50 and a latch member 59 which prevents movement of the plate 45 to its upper switch closing position unless the disc 43 is in the position in which the counters are zeroized. The plate 45 in its upper position prevents rotation of the disc 43 and zeroizing of the counters.
Patent GB-723506-A (GB)
Title: Preparation of basic ethers and their salts
Inventor: MATTER MAX
Filed: 1952-11-21
Abstract: The invention comprises N-(b 1-aminoethyl)-b -aminoethyl benzhydryl ether and its salts, particularly the dihydrochloride and the dibenzenesulphonate.  Such salts are obtained by heating, with removal of water, benzhydrol with a strong acid salt of N-(b -aminoethyl)-ethanolamine.  Reaction may be effected in the presence of a dehydration catalyst, e.g. a strong acid.  The free base may be liberated and converted to other salts.  In an example the di-benzenesulphonate of N-(b 1-aminoethyl)-b -aminoethyl benzhydryl ether is produced by heating N-(b -aminoethyl)-ethanolamine dibenzene sulphonate, benzenesulphonic acid and benzyhydrol in a stream of dry nitrogen. The free base is liberated from the purified salt, distilled in high vacuum and converted to the dihydrochloride.
Patent GB-659099-A (GB)
Title: A covered container shopping trolley-seat
IPC: B62B1/12
Filed: 1948-11-13
Abstract: 659,099. Hand trucks. PEARSON, A. E. Nov. 13,1948, No. 29541. [Class 108(i)] A shopping trolley comprises a box like receptacle with a hinged lid k3 mounted on a wheeled axle and having a control handle f3 by which the trolley may be propelled and a pull-type handle d2. A, rest-prop k2 is also provided to enable the trolley to be used as a seat.
Patent GB-783543-A (GB)
Title: Observation mirrors for use on road vehicles
Inventor: WELLS SYDNEY PENNINGTON
IPC: B60R1/06
Filed: 1954-10-14
Abstract: 783,543. Hinges. LUCAS (INDUSTRIES)., Ltd., J. Sept. 20, 1955 [Oct. 14, 1954], No. 29609/54. Class 65(2) [Also in Group XXXII] A mirror for road vehicles comprises a rigid bracket adapted at one end for attachment to a vehicle and having at its other end a part on which is formed a curved surface, a member having a complementary curved surface which is connected to the bracket to permit of relative angular adjustment, and a reflector holder having a resilient yieldable connection with the member. In the construction shown in Fig. 1, the reflector a is secured in a holder consisting of a shell b and a plate c to which is bonded a cylindrical piece e of rubber or like material. A metal piece f is bonded to the piece e and is secured by a screw-threaded stem d and nut i to a socket h provided on the bracket g. In the construction shown in Fig. 2, the mirror holder b is secured to a plate c provided with a hollow boss o of truncated conical form at its outer end which is held in position in a recess in a hollow member m by a spring p. The member m has a spherical-shaped portion n which is adjustably secured to the bracket g by an annular clip k. In the construction shown in Fig. 3, a plate c secured to the mirror holder b is bonded to a boss s of rubber or rubber-like material formed with segmental spherical surfaces in contact with washers t, u. The boss is secured to the bracket g by a screwthreaded stem v and securing nut x.
Patent GB-452071-A (GB)
Title: Improvements in moulds for freezing cream, water and the like
IPC: A23G9/22
Filed: 1935-10-28
Abstract: 452,071. Ice - making. MANSTED, S. A. J., 198, Norrebrogade, Copenhagen. Oct. 28, 1935, No. 29691. Convention date, Nov. 1, 1934. [Class 29] A mould for making sticks of ice or ice-creams &c. comprises a casing having open-ended cream &c. cells 4, to facilitate removal of the frozen products, and inlet and outlet ports 5, 6 for a freezing fluid, the bottom ends of the cells being closed during the freezing process by a removable plate 8. The plate may be secured against the underside of the casing by wedges 9, Fig. 3. Alternatively, the plate itself may be of wedge form, its side edges being engaged with rails secured to the lower side edges of the casing. In another arrangement, the plate is secured to the casing by hinges 12, Fig. 5, and in a modification by cams 13, Fig. 6. The mould may be formed with a perforate bottom plate with which is associated an adjustable plate 8. Further, the mould may be rotatably mounted upon hollow trunnions 16, 17, Fig. 12, through which the cooling fluid is supplied and discharged.
Patent GB-531385-A (GB)
Title: Improvements in or relating to cooling towers or structures for cooling water and other liquids
IPC: F28F25/08
Filed: 1939-11-09
Abstract: 531,385. Treating liquids with gases. GILL, F. E., and DAVENPORT ENGINEERING CO., Ltd. Nov. 9, 1939, No. 29718. [Class 55 (ii)] [Also in Group XIII] In cooling towers or structures for cooling condensation waters or other hot liquids of the kind in which liquid is delivered from pipes or troughs to fall down the tower up which air rises over superposed tiers of wooden drip rails or laths, the laths 3 are of square or diamond cross section and are made of complementary parts 3a, 3b with their adjoining faces vertical. Each lath is formed by two strips of triangular cross section held together by wire clips 4 to form a diamond resting cornerwise in notches in bearers 2 on standards 1 in the tower. Adjacent lengths of the triangular strip may overlap, and the laths are flexible for bending into curves. Each lath may comprise three strips together forming a diamond.