baber/WOPTO huggingface dataset:
Patent GB-321244-A (GB)
Title: Improvements in connection with the moistening of tennis and like courts
IPC: E01C13/02
Filed: 1928-08-13
Abstract: 321,244. Youngman, H. P. Aug. 13, 1928. Irrigation.-A hard tennis or like court comprising an upper layer 1 a foundation layer 2 of ashes, and a thin intermediate layer 3 of brick chippings, is provided with a number of apertured water-supplying pipes 4 laid in the intermediate layer 3. The apertures may be formed by making slits 6 in the pipes at the screw threaded joints 5; or fine perforations may be provided. The pipes 4 extend at intervals over the whole area of the court and are connected to a conduit leading from a supply tank 8 provided with a float valve 9. Specifications 286,179, [Class 20 (iv), Floors &c.], and 313,314 are referred to.
Patent GB-771895-A (GB)
Title: Improvements in open hearth and like furnace roofs
IPC: F23M5/06
Filed: 1954-08-11
Abstract: 771,895. Furnace roots. DERLING, A. Aug. 11, 1954 [Aug. 11, 1953], No. 23369/54. Class 51 (2). An arched roof structure for open-hearth furnaces comprises pairs of rib-forming bricks 2, Figs. 1, 5, suspended by hangers 6 from girders 8, each formed of a pair of spaced channel bars suspended from the framework of the furnace. The lower end of each of the hangers is formed with a head having a rounded upper surface upon which rests a plate 9 supporting the bricks which are formed with recesses 17 in their opposed faces for accommodating the plate and the head. The filling bricks between the ribs are suspended in pairs by hangers 11 supported by cross-rails 10 resting on the channel bars. By this construction, burnt bricks may be removed and replaced while the furnace is in operation. The construction is also applicable to furnaces with flat roofs. The footings of the arched roof are supported through wedge-shaped bricks 3, 4, Fig. 1, by members 5 formed with cooling tubes 16 and suspended from the framework of the furnace.
Patent GB-1102563-A (GB)
Title: Improvements in or relating to methods of layer formation
Inventor: STERLING HENLEY FRANK
IPC: H01L21/20
Filed: 1964-06-05
Abstract: A body comprising two contiguous crystalline layers in which no effective interface is present, is manufactured by abrading a first crystalline layer with a stream of fluid entrained abrasive particles to remove any offending damaged crystal structure, and epitaxially growing the second layer on the planed surface, whereby the crystal lattice of the first layer is effectively extended.  In the embodiment, a layer of n-type silicon is abraded by alumina particles and p-type silicon epitaxially deposited on the planed surface from SiH4.
Patent GB-482508-A (GB)
Title: Improvements in or relating to conveyors
IPC: B66B23/02
Filed: 1936-08-26
Abstract: 482,508. Moving-stairways. SHONNARD, H. W. Aug. 26, 1936, No. 23434. [Class 78 (i)] The steps 13 of an escalator are supported at opposite sides on a pair of endless chains 14 which at one end, pass round sprockets 24, 26 driven by a motor 15 through gearing in a casing 44. This casing rests at one end on a transverse member 46 connecting the guides 11, 12 of the step rollers, and at its opposite end is supported by shackles 47 on the sprocket-axle 25. Each sprocket is carried by a disc 30 on a hub 31 rotatably supported on the axle 25, and is provided with an internal gear meshing with a pinion 23 connected through worm and spur gearing with the motor shaft. In the event of the speed of either sprocket varying from a predetermined value, the circuit of the motor 15 and of a solenoid 42 controlling brakes on the hub 31, is opened to effect automatic stopping of the escalator. For this purpose, each disc 30 is provided with a sprocket 63 which, through a chain 62, drives a pump 60. This draws oil from a tank 64 through a pipe 65 and returns it under pressure through a channel 66 past an adjustable byepass valve 67 to a pressure cylinder 68. A plunger 69 is this cylinder is connected to a cam 70 engaging a roller 74 on a switch arm 75. When the sprockets are running at normal speed, the plungers 69 are positioned so that the cams are in a central position with the switch arms closing the motor and brake circuits. If the speed of one sprocket varies from normal, the pressure in the corresponding cylinder rises or falls and the plunger 69 moves up or down and displaces the switch arm to open-circuit position. Each brake comprises a drum 33 provided with a strap 34 having its ends connected to pins 35, 36 on a pair of bell-crank levers 37 on a shaft 38, the plunger 41 of the solenoid 42 being connected to these levers.
Patent GB-482509-A (GB)
Title: Improvements in and relating to actuating mechanism for electric motor controlling devices
IPC: D03D51/00
Filed: 1936-08-26
Abstract: 482,509. Actuating controllers ; brush-gear for electric motors. BRITISH THOMSON-HOUSTON CO., Ltd., and TOLE, J. R. Aug. 26, 1936, No. 23440. [Class 38 (iii)] [Also in Group XXXV] A mechanism for controlling the speed regulating device 21 of a motor comprises a cam 6 coacting with a pin 4 on a gear sector 2 movement of which controls the main speed setting of the regulating device, and independently acting means for superimposing an additional control by varying the angular position of the sector in the direction in which the pin is free to leave the cam, a spring 7 being provided for returning the sector to the position in which the pin coacts with the cam so that the main setting of the regulating device is restored when the independently acting means is inoperative. The regulating device 21 may be an induction regulator, or in the case of a motor such as described in Specification 25358/11, [Class 35], it may comprise brush-shifting gear. Its spindle carries a gear wheel 1 driven by the sector 2 and the cam 6 is secured to a rod 10 connected to a main operating rod. A cam 19 of double width, when suitably positioned in accordance with the requirements of the driven machine, operates a lever 16 and a link 17 connected to a lever 13 carrying an adjustable pin 14 engaging the pin 4 to rotate the sector 2 and operate the speed regulator without disturbing the speed setting effected by the rod 10. The lever 16 may be manually operated. The invention is applicable to spinning, weaving, knitting, printing, and paper-making machinery and to lifts. Specifications 303,048, [Class 35], 393,594, and 394,738, [both in Group XXXV], also are referred to.
Patent GB-1106489-A (GB)
Title: Production of polymers
Inventor: WORRALL ROY
IPC: C08J9/36
Filed: 1966-05-26
Abstract: A polymer containing hydroxyl groups is prepared by subjecting a polymer of an ester of an unsaturated alcohol to the action of a hydrolysing agent whilst the polymer is in a molten state. Preferred hydrolysing agents comprise an alcohol, e.g. methanol, ethanol, propanol or butanol.  An alkaline reacting catalyst may also be present, e.g. an alkali metal derivative of the alcohol used, e.g. sodium methoxide or lithium methoxide.  The process may be carried out in a continuous mixing apparatus, e.g. an extruder, the hydrolysing agent being injected into the interior at a point where some heat-softening of the polymer has taken place.  A blowing agent may be included and the hydrolysed polymer extruded in the form of a foam.  In example, the polymers used are a copolymer of vinyl acetate and ethylene and a homopolymer of vinyl acetate.  Tetrabutyl ammonium-hydroxide is used as catalyst in Example 2.
Patent GB-684522-A (GB)
Title: Improvements in or relating to the production of permanent magnets
Inventor: TORRY ALAN
IPC: B22D25/06
Filed: 1950-09-26
Abstract: 684,522. Casting processes; moulds. DARWINS, Ltd. Aug. 27, 1951 [Sept. 26, 1950], No. 23544/50. Class 83 (i). A permanent magnet with unidirectional columnar crystals is made by pouring a precipitation hardening iron-base alloy of the type comprising aluminium-nickel with or without cobalt or cobalt and copper, into a mould cavity, shaped to produce a transverse fin at about the mid length of the cavity, and chilling at opposite ends. The sand mould shown in Figs. 1 and 2 is for casting a number of magnets 6 with common fin 7 fed from three sides by a runner and riser 3, 5 and has chill plates 11. When the metal has set the fin is broken off. In a modification, separate chills 18, Fig. 4, are used, the holes 20 serving to hold cores, not shown, to produce fixing holes in the magnets. The alloy may contain up to 4 per cent of niobium and tantalum and small quantities of other elements. Specification 573,238 is referred to.
Patent GB-137788-A (GB)
Title: Boiler tube ferrule
IPC: F22B37/06
Filed: 1919-09-25
Abstract: 137,788. Ballantyne, C., (Ballantyne, D. M.). Sept. 25, 1919. Tubes, smoke.-For connecting boiler-tubes to plates, long tapering ferrules 1 are employed with beaded heads 3, which protect the tubes 2 from the flames. The ferrules are formed by bending cut lengths of boiler tube in a die and tapering them on a mandrel, which gives a cylindrical form to the interior of the ferrules. The ferrule, after insertion, is expanded to make a tight joint.
Patent GB-1221217-A (GB)
Title: Detergent composition
Inventor: BEST PETER
IPC: C11D1/66
Filed: 1968-05-17
Abstract: 1,221,217. Washing machine detergent. UNILEVER Ltd. 17 May, 1968 [19 May, 1967], No. 23610/68. Heading C5D. A detergent composition contains (1) an organic anionic detergent, (2) soap and/or a nonionic detergent, and (3) a diether of a polyalkylene oxide diol of the following general formula in which R 1  and R 2  are alkyl groups having a total number of 2 to 30 carbon atoms, R<SP>1</SP> and R<SP>11</SP> may each be H or CH 3 , and n is a number which is at least 1. The diether compound preferably contains 2 to 40 alkylene oxide groups and has an H.L.B. value lying between 1À0 and 4À0. 0À5 to 10% of the diether may be used, but generally 0À5 to 5À0% and often 1 to 3% is sufficient; most suitably the diether compound is a diether of polypropylene glycol. The anionic detergent may be an alkyl benzene sulphonate, alkyl sulphate or fatty alcohol sulphate. The soap is an alkali metal or ammonium salt of a C 8-25  fatty acid. Suitable nonionic detergents include alkylene oxide condensation products of alcohols, alkyl phenols or polyoxypropylene. A builder salt is usually present such as sodium tripolyphosphate, a nitrilotriacetate, an ethane-1-hydroxy-1-1-diphosphonate or a salt of a polymeric carboxylic acid. Other substances which may be present are 0-30% of an oxygen-liberating bleach such as perborate, 0-15% of a silicate, optical brighteners, carboxymethyl cellulose, bleach stabilizers and enhancers, perfumes, germicides and inorganic salts such as sodium sulphate. A preferred composition comprises 5-30% anionic surfactant, 1-10% of soap and/or nonionic detergent and an amount of builder salt such that the ratio of anionic detergent to builder salt lies between 1 : 1 and 1 : 5.
Patent GB-795930-A (GB)
Title: Improvements in or relating to packings for flash lamps
IPC: B65D75/34
Filed: 1955-08-17
Abstract: 795,930. Photographic flash lamps. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Aug. 17, 1955 [Aug. 18, 1954], No. 23709/55. Class 9(2): Photographic flash lamps are connected together by a continuous envelope 6 of transparent sheet material with sealed pockets 3 surrounding each bulb 1, the lamp caps 2 being outside the envelope. The connecting portions 5 between the pockets are readily cut through to detach the individual lamps. Alternatively the portions 5 may be perforated to facilitate detachment. Each pocket acts as an anti-splinter protection when the enclosed bulb is flashed. The envelope 6 may be two ribbons of synthetic resin, e.g. polyvinyl chloride, united between the lamps as by welding. Sheet material of polyethylene or cellulose acetate may also be used for the envelope and the material may be coloured to act as a light filter. The envelope is sufficiently flexible to allow the packing to be coiled as in Fig. 5.
Patent GB-360480-A (GB)
Title: Improvements in furnace grates
IPC: F23H13/00
Filed: 1930-08-07
Abstract: 360,480. Furnace grates. LOMSAKOV, A., 597, Buckova Cis., Bubenec, Prague, and DMITREVSKY, P., 585, Prazske Predmesti, Kralove, Hradec, both in Czecho- Slovakia. Aug. 7, 1930, No. 23719. Convention date, Aug. 7, 1929. [Class 51 (i).] In a furnace grate of the kind comprising deep plates the sides of the plates are provided with ribs or projections which constitute with the sides of adjacent plates a series of separate upwardly directed passages for the combustion air. As shown in Figs. 1 and 3, the plates 5 are provided with ribs 7 and tapered hollow projections 6 the smaller ends of which enter the projections of adjacent plates. Air entering beneath the grate through the conduit 1 passes upwardly between the plates to the fuel bed and through the space 8 and hollow projections 6 to the outlet controlled by a damper 10 to cool the grate members. Fig. 5 shows a modification in which the plates are provided with vertical ribs having projections 11, 12. The passages between the ribs vary in cross section.
Patent GB-1300035-A (GB)
Title: Feet for appliances
IPC: A47J45/02
Filed: 1971-04-19
Abstract: 1300035 Test for furniture ITW-ATECO GmbH 19 April 1971 [13 March 1970] 23772/71 Heading A4U [Also in Division E2] An anti-slip and anti-scratch foot, comprising a body 2, injection moulded in thermoplastic material and having a recess 5 in which a resilient pad 7 is press-fitted, is mounted in an aperture in a base-plate of an article of household equipment by integral, resilient, spaced tongues 10 surrounding a central bore 6 in the body. Conical surfaces 12 aid passage of the yielding tongues through the aperture and conical surfaces 13 overlie the base-plate around the aperture. The tongues are spread to secure the foot in the aperture by a pin 9 driven through an aperture 8, in the pad and the bore 6, aligned therewith, the pin being inserted until the outer end is at the level of the outer end of the body. The walls of the recess flare towards the bottom of the recess to retain the pad which is disc-shaped and is compressed at the open end of the recess 5.
Patent GB-771285-A (GB)
Title: Improvements in or relating to earth-scraper apparatus
Filed: 1955-08-18
Abstract: 771,285. Earth-working apparatus. GENERAL MOTORS CORPORATION. Aug. 18, 1955 [Sept. 14, 1954], No. 23819/55. Class 68 (1). A beam or a pair of beams 22 are pivotally connected to a bulldozer blade 20 adjacent each end of the lower edge thereof and an extendable strut 31 is positioned above each push beam and connected to said beam intermediate the ends thereof and to the blade at a point that is adjacent the upper edge of the blade and is spaced transversely of the pivotal connection between said beam and the blade. A second extendable strut 52 may be provided for each beam, the strut 52 being disposed vertically below the strut 31 attached to the beam and extending from the beam to a point adjacent the lower edge of the blade. The connections 43, 44, 46 and 47 between the struts 31, 52 and the blade are ball and socket connections and together with the pivotal connections 32, 33, 37 between the beams 22 and the blade and the pivotal connections 64, 66, 67, 68 between the beams and the chassis of the vehicle from which the blade is supported permit of various positions of transverse mounting of the blade with respect to the chassis. The blade comprises a mouldboard 25 having a detachable digging edge 83, 84, the board being secured to upper and lower cross bars 26, 27 and spaced slightly from plates 29 secured to and extending normally of the cross beams. Double acting hydraulic jacks 23 are pivotally connected between the plates 29 and frames 74 mounted on the chassis.
Patent GB-170978-A (GB)
Title: Improvements in perambulators
IPC: B62B9/18
Filed: 1920-08-16
Abstract: 170,978. Lines, W. Aug. 16, 1920. Frame construction; springs, arrangement of and mounting bodies on.-The chassis of a perambulator is formed of a single tubular member a passing underneath the body and extending forwardly to form a cross-member b, and laterally extending lugs c, d carry the wheels and cee-springs respectively. Members e, passing through the sides of the carriage and secured to the undersides of the seats, are secured to the upper ends of the cee-springs.
Patent GB-583761-A (GB)
Title: Improvements in fastening devices for letter files
IPC: B42F13/02
Filed: 1944-11-30
Abstract: 583,761. Filing papers. GRAVELEY, H. V. N. Nov. 30, 1944, No. 23910. [Class 146 (i)] [Also in Group XXV] In a letter file comprising flexible filing members a and flexible transfer members d formed of metal lacings, the device for connecting the ends of a pair of members a, d when it is desired to transfer sheets comprises a sheath on one member which engages a socket on the other member, such engagement first causing a spring device to be deformed and then allows it toreturn to normal shape to prevent disengagement of the ends. In one form, Fig. 2, a circular spring g which may be split, is attached to the sheath f, and the socket k has a slot m into which the spring expands to secure the ends of the members a, d. In another form, Fig. 5, the socket p is encircled by a spring wire r which projects inwardly through slots to engage recesses o in the sheath n. The members a, d when joined, form a curve to facilitate manipulation of the leaves. Specification 459,115 is referred to.
Patent GB-518223-A (GB)
Title: Improvements in cooling poultry
IPC: A23B4/06
Filed: 1938-08-15
Abstract: 518,223. Refrigerators; cooling poultry. GATES, P. J., WORTERS, L. M., and HALL, Ltd., J. & E. Aug. 15, 1938, No. 23965. [Class 29] An arrangement for cooling poultry after the birds have been plucked and trussed comprises shelves 1 for supporting the birds 5 and cooling pipes 4 arranged above the shelves at such a height that they engage the flesh of the birds between the end of the breast bone and the vent so as to prevent "greening" of the flesh near the vent. Other cooling pipes 6 may be arranged between or on the underfaces of the shelves and may be connected in the same circuit as the pipes 4 or in a separate circuit. Troughs 10 for condensation moisture may be located below the pipes 6. Brine or other cold liquid or an evaporating refrigerant' may be used as cooling medium.
Patent GB-598547-A (GB)
Title: Improvements in connection with vulcanizing rubber soles to footwear
IPC: B29C35/00
Filed: 1944-12-01
Abstract: 598,547. Moulding rubber soles on footwear. OXBORROW, P. C. Dec. 1, 1944, No. 24030. [Class 87 (ii)] The general plane of the moulding surface is inclined downwardly towards the toe, and when pressure is applied through a plate 13, the applied outsole is forced downwardly towards an abutment 4 at the toe end of the mould. The plate has a rockable self-aligning connection with a U-shaped screw-operated pressure member 10.
Patent GB-419232-A (GB)
Title: Improvements in the production of alkali metal nitrates
IPC: C01D9/04
Filed: 1933-08-30
Abstract: Alkali metal or ammonium nitrate is prepared by dissolving the chloride wholly or partly in aqueous nitric acid and distilling under reduced pressure with steam, preferably superheated.  Nitric acid of any concentration, for example 50 per cent acid may be used and the reaction effected in brick vessels.  The vapours may be passed to a rectifying column sprayed with water or a solution of the reactants to condense the nitric acid.  The exit vapours can be condensed in stages to give a concentrated hydrochloric acid, and the steam re-used.  The process is applicable to solutions containing alkali metal or ammonium chloride, and hydrochloric and nitric acids, obtained by decomposing the chlorides with nitric acid in such concentration that the nitrate formed separates.  According to examples: (1) Sodium chloride is treated with 46 per cent nitric acid in a vessel fitted with a rectifying column, superheated steam being blown in while the pressure is kept at 30 mm.  The reaction temperature is 45--50 DEG  C. The condensed nitric acid is returned and the mother liquor, after separation of sodium nitrate, added to a fresh batch.  (2) Ammonium chloride and 36 per cent acid are treated as in (1) at a pressure of 20 mm.
Patent GB-1279064-A (GB)
Title: Improvements in bulked yarn
IPC: D02G3/24
Filed: 1971-04-19
Abstract: 1279064 Bulked yarns CHORI CO Ltd 19 April 1971 [7 Feb 1970] 24090/71 Headings D1F and D1W A bulked yarn comprising crimped spun yarn and crimped thermoplastic filaments, the yarn staples and the filaments being substantially uniformly mixed in a loosely intermingled state, is produced by feeding the yarn and the filaments into a crimping device so that they are simultaneously mixed and crimped, and then drawing the bulked yarn from the crimping device. The mixing and crimping are effected by false twisting with heat setting. The mixing of a polyester-wool blended yarn with polyethylene terephthalate filaments, and of an acrylic fibre spun yarn with nylon filaments, are exemplified.
Patent GB-476451-A (GB)
Title: Improvements in mechanism for operating the gripper-jaws in looms for weaving pile or tufted fabrics
IPC: D03D39/02
Filed: 1936-09-03
Abstract: 476,451. Operating tuft-yarn grippers in pile-fabric looms. CRABTREE & SON, Ltd., D., and LEEMING, F. R. Sept. 3, 1936, No. 24100. [Class 142 (ii)] The blade 2 of the wing shaft 4 which operates the movable jaws 5 of the tuft grippers of a pile fabric loom is thickened to give it extra strength, but is grooved at 2d down to the usual thickness at the parts which take into the grooves in the jaws 5.
Patent GB-917475-A (GB)
Title: A negative conductance amplifier arrangement
IPC: H03F7/00
Filed: 1961-07-04
Abstract: 917,475. Parametric amplifiers. STANDARD TELEPHONES & CABLES Ltd. (Nippon Electric Co. Ltd.). July 4, 1961, No. 24124/61. Class 40 (9). An amplifying system for ultra-short waves comprises two negative conductance parametric amplifying elements 3, 8, Fig. 3, coupled to a signal source 1 by a hybrid 7. A short slot hybrid, Fig. 2, comprises two parallel waveguides with a coupling window so formed that power entering the hybrid at a is equally divided between the outputs of c and d. There is no output at b. The outputs at c and d differ in phase by 90 degrees. In the circuit shown in Fig. 3, a signal from source 1 is passed by the hybrid to parametric elements 3, 8. The outputs from the amplifying elements 3, 8 are returned to the hybrid at c and d. The two outputs cancel at a being 180 degrees out of phase and combine at b to give an amplified signal.