baber/WOPTO huggingface dataset:
Patent GB-303049-A (GB)
Title: Improvements in and relating to reflecting signs
IPC: G09F13/14
Filed: 1927-09-27
Abstract: 303,049. Coleman, C. J. Sept. 27, 1927. Signs; models. - Signs of the daylight reflector type having either a front stencil or a top stencil have a tubular body with closed ends and one or more window openings in the sides and enclosing one or more reflectors and one or more stencils having rear reflecting surfaces. The sign may be in the form of a model of an article to be advertised. A transparent tube a, Figs. 1 and 3, is closed by end discs b provided with ribs d between which is fitted a reflector e suitably arranged relatively to the window opening f and a stencil 9 fitted inside the tube. An opaque lining i is fitted behind the reflector. Light entering through the window opening is reflected from the mirror on to the stencil, part emerging through the clear portions of the stencil. The stencil has a rear reflecting surface so that light striking this surface is reflected backwards and forwards until it emerges through the clear portions. The tube a, Fig. 2, may be fitted with two oppositely inclined reflectors e with their adjacent ends at the middle of the window opening f. Electric discharge tubes j or other artificial lights may be fitted behind opaque portions at the top of the stencils g. The tube a, Fig. 17, may have window openings f and a central reflector e of angular cross-section. A central reflector e, Fig. 19, of circular cross-section may be used and be vertically ribbed or otherwise grooved or facetted. When serving as models, the tube a, Fig. 5, is shaped according to the article to be advertised and as shown represents a bottle with suitable ends l, k secured by bolts m.
Patent GB-682961-A (GB)
Title: Improvements in or relating to refractory materials
IPC: C04B35/48
Filed: 1949-10-04
Abstract: A refractory composition consists substantially of crystals of mullite and zirconium silicate banded by less than 20 per cent of a vitreous matrix, the amount of zirconium silicate being between 40 and 85 per cent.  Clay and zircon are heated to at least 1500 DEG  C. but below the temperature at which zircon decomposes and uncombined alumina, not more than 10 per cent, may be added also in which case the clay should not be less than 17 per cent. Preferred proportions are zircon 37 to 80 per cent; clay 20 to 63 and alumina 0 to 10 per cent.  To make blocks a slurry of the powdered mixture containing deflocculents e.g. sodium carbonate and silicate, 0.5 per cent relative to the clay content, is passed into a plastic mould and left to harden, then fired. Specification 675,776 is referred to.
Patent GB-518641-A (GB)
Title: The manufacture of stable emulsions such as of oil and water
IPC: C09K23/00
Filed: 1938-08-31
Abstract: 518,641. Making emulsions. NEUKOLLNER OLMUHLE G.P. LEHMANN & CO., GES. Aug. 31, 1938, No. 25537. Convention date. Aug. 31, 1937. [Class 1 (i)] An emulsifying agent for making stable emulsions of hydrophobic substances such as exist in mineral oils, saponifiable oils and fats, comprises lecithin and a methylated or ethylated cellulose ester, e.g., the body known under the Registered Trade Mark "Tylose." Examples describe the preparation of emulsions of olive oil, rape seed oil and beef tallow.
Patent GB-163057-A (GB)
Title: Improved gear box for motor-cars
IPC: F16D21/04
Filed: 1920-07-21
Abstract: 163,057. Gill, J. E. July 21, 1920. Variable-speed gearing of the type comprising a number of gear-wheels D, secured to a shaft B and in permanent mesh with an equal number uf gear-wheels E, loose on a second shaft C and capable of being clutched thereto by a movable key F. The sliding key is attached to a clutch @@ whereby the shaft may be run when the key is inoperative.
Patent GB-732255-A (GB)
Title: Improvements in studs for athletic boots and shoes
IPC: A43C15/16
Filed: 1952-10-14
Abstract: 732,255. Studs for athletic footwear. LILLIE, A. E. Oct. 14, 1953 [Oct. 14, 1952], No. 25737/52. Addition to 673,399. Class 17 (3). The mounting element for the stud of the parent Specification is modified by the provision of a series of down-turned teeth 4 arranged around the periphery of the flange 3 and tangentially thereto to give a better anchorage in the shoe bottom. Specification 732,328 is referred to.
Patent GB-278373-A (GB)
Title: Improvements in or relating to electric lamps, holders and sockets therefor
IPC: H01R33/46
Filed: 1927-09-29
Abstract: 278,373. Charles, M. Sept. 30, 1926, [Convention date]. Holders.-To enable a bulb to be adjusted axially in a holder to focus the filament with respect to an external reflector, slots h are provided in the holder socket f to accommodate the pins i of the bulb cap, and the pins are further engaged by cam slots c in a ring b so that by rotating this the pins are moved along the slots h. The ring is locked by serrations on its edge engaging a serrated projection e on the holder socket under the pressure of the spring contact plungers.
Patent GB-835621-A (GB)
Title: Improved mixer and kneader
IPC: B29B7/42
Filed: 1957-08-15
Abstract: 835,621. Continuous-discharge mixing machines. BUSS A.G. Aug. 15, 1957 [Aug. 23, 1956], No. 25839/57. Class 86 A mixing and kneading apparatus comprises a two part worm casing a, Fig. 2, a worm e rotatable therein, the thread e<SP>2</SP>, Fig. 1, of which is provided along its periphery with successive steps or shoulders e<SP>3</SP>, the thread falling from one shoulder towards the next proceeding in the direction of rotation so that wedge-shaped spaces e<SP>4</SP> are formed between it and the inner wall of the casing, the volume of the spaces increasing in the direction of rotation of the worm, and a grinding roll f provided between parts of the thread  e <SP>2</SP>, the periphery of the roll being provided with similar steps f<SP>1</SP> and progressive falls, to those of the thread e<SP>2</SP>.
Patent GB-535815-A (GB)
Title: Improvements in and relating to gel structures
IPC: B01J13/00
Filed: 1939-09-15
Abstract: 535,815. Aluminium oxide. DAVISON CHEMICAL CORPORATION. Sept. 15, 1939, No. 25906. Convention date, Oct. 28, 1938 [Class 1 (iii)] Aluminium oxide gel is prepared by treating metallic aluminium with a dilute solution of a volatile acid forming a readily hydrolysable salt and thereby producing a hydrosol substantially free from coagulants, allowing the hydrosol to set to a hydrogel and de-hydrating the hydrosol to form a gel in the unwashed condition. It is preferred to use an organic acid, particularly acetic acid. The acid is normally used in dilute solution, e.g. 1 in 100 parts of water. If stronger concentrations are employed the hydrosol and hydrogel are treated with ammonia vapour to neutralize acid salts and convert any aluminium acetate into hydrosol and ammonium acetate. In order to accelerate the action of the acid on the metal a small amount of mercuric oxide may be added to the acetic acid, the metallic mercury produced being separated at the end of the reaction.
Patent GB-1438551-A (GB)
Title: Electroplated articles comprising a nickel-iron or nickel-iron- cobalt alloy electro deposit
IPC: C25D5/12
Filed: 1973-05-31
Abstract: 1438551 Electro-deposition of Ni-Fe and Ni-Fe -Co alloys OXY METAL INDUSTRIES CORP 31 May 1973 [3 July 1972] 25949/73 Heading C7B An electro-plated article comprises a metal substrate, e.g. of copper, brass or steel, having deposited thereon optionally a coating of e.g. brass, copper or nickel; a coating of Ni - Fe or Ni -Fe - Co alloy; optionally a nickel coating e.g. containing SiOz particles; and a layer of micro - discontinuous chromium. The plating bath for the Ni - Fe or Ni - Fe Co layer may contain Ni as SO 4 , Cl or sulphamate, Fe as SO 4 , Cl, fluoborate or sulphamate; a carboxylic acid or salt as iron complexing agent (e.g. citric, malic, glutamic &c.); a buffer such as boric acid or sodium acetate; and a nickel brightener such as a sulpho-oxygen compound, e.g. saccharin, naphthalene trisulphonic acid or sulphobenzaldehyde, an acetylenic brightener e.g. propargyl alcohol, or a lower alkylene oxide, e.g. epichlorohydrin or ethylene oxide, or nitrogen containing heterocylic quaternary or betaine brighteners, e.g. pyridine sulphobetaine or quinaldine propane sultone. Various other examples of suitable brighteners are given. Soluble Fe or Fe-Ni anodes may be used.
Patent GB-994160-A (GB)
Title: Intra-uterine contraceptive
IPC: A61F6/14
Filed: 1962-07-06
Abstract: 994,160. Contraceptive devices. MOUNT SINAI HOSPITAL RESEARCH FOUNDATION Inc. July 6, 1962 [April 24, 1962], No. 26020/62. Addition to 986,000 Heading A5R. An intra-uterine device for use as a contraceptive comprises a resilient strand, which may be of synthetic resin such as polyethylene or of metal coated with such a resin. It is shaped as a flat spiral 25, as in the parent Specification but with a straight extension 27 forming a continuation of the outer end of the spiral. When the device is in position this extension protrudes slightly from the cervix and renders the presence and positioning of the device apparent. In this form of the device the inner end 26 of the spiral is of reduced diameter for a short distance to facilitate bending to the correct shape on insertion with a suitable cannula.
Patent GB-1444501-A (GB)
Title: Magazine for fastener-driving apparatus
IPC: B25C5/16
Filed: 1974-06-12
Abstract: 1444501 Stapling tools JOH FRIEDRICH BEHRENS 12 June 1974 [27 June 1973] 26105/74 Heading B4C The magazine of a stapling machine has a cover 13 guided by pins 37 and urged by spring 15 to cover staples 16 on a guide in the magazine which staples are pushed by a spring urged member 17 towards the delivery point. When the magazine is exhausted member 17 is pulled to the right as shown in Fig. 5 and its angled end surface 35 coacts with angled surface 36 on cover 13 to push the cover to its inoperative position. At the fully withdrawn position a spring urged member 39 pushes member 17 sideways so that it engages in a recess in guide member 12 and a new block of staples can be inserted.
Patent GB-1002311-A (GB)
Title: Improvements to wheels
Inventor: DZIADOSZ KAZIMIERZ TADEUSZ
IPC: A63C17/22
Filed: 1962-07-07
Abstract: 1,002,311. Vehicle wheels. RALEIGH INDUSTRIES Ltd. Sept. 11, 1963 [June 7, 1962], No. 26138/62. Heading B7C. A roller skate wheel having a plain bearing comprises a moulded body part 11 having a bush 12 extending axially therethrough and secured by protuberances 12a, and a coaxial identification disc 13 located in a central rebate 11c formed in the outboard face 11b of the body part. The rebate lie is undercut to hold the disc 13 in position.
Patent GB-1146476-A (GB)
Title: Apparatus and process for concentrating phosphoric acid
IPC: C01B25/24
Filed: 1966-06-13
Abstract: 1,146,476. Phosphoric acids. ARMOUR AGRICULTURAL CHEMICAL CO. 13 June, 1966 [15 June, 1965], No. 26191/66. Heading C1A. [Also in Division B1] Aqueous phosphoric acid is converted into polyphosphoric acid, containing 72 to 83% P 2 O 5 , by introducing the aqueous acid into the bottom of a horizontally arcuate well and directing hot combustion gases, e.g. at a temperature of 1750‹ F., into the pool of acid in the well through spaced dip pipes. The rate of supply of aqueous acid to the pool, and the temperature of the latter, are maintained so that polyphosphoric acid of the required P 2 O 5  concentration flows out of the pool.
Patent GB-917625-A (GB)
Title: Endless conveyor
IPC: F25D25/04
Filed: 1961-07-19
Abstract: 917,625. Endless conveyers. KNUDSEN, S. N., and PETERSEN, J. S. July 19, 1961 [July 23, 1960], No. 26194/61. Class 78 (1). Frames 4 for supporting trays 3 are mounted on an endless chain 1 which passes through a freezing chamber 5 in a series of loops. The chain follows an ascending path from a group of sprocket-wheels 8 to a group of wheels 9, the chain then descending from wheels 10 to wheels 11 before leaving the chamber outlet 12. A further loop 18 may be provided to permit inspection, feeding or removal of goods. Fig. 3 shows how the sides of the frames remote from the chain are supported by rollers 15 on rails 16. Rope is specified in place of the chain and stationary guide rails may be used in place of or in combination with the sprocket-wheels. Carriers in the form of hooks are specified.
Patent GB-392410-A (GB)
Title: Manufacture of carbocyanine dyes and intermediate products
IPC: C09B23/06
Filed: 1932-09-21
Abstract: Selenocarbocyanine dyes; 2-methylselenazolines.--A 2-methylselenazoline alkyl quaternary salt is condensed with an ester of an orthocarboxylic acid.  Esters of aliphatic orthocarboxylic acids such as trimethyl or triethyl orthoformate, orthoacetate, orthopropionate, orthocaproate or orthovalerate, of substituted aliphatic ortho acids such as trimethyl- or triethyl-ortho-n -phenoxybutyrate or orthophenylacetate, of aromatic orthocarboxylic acids such as trimethyl or triethyl orthobenzoate or ortho-p-toluate, of ortho esters of substituted aromatic orthocarboxylic acids are suitable; mention is made also of using the mixed esters of such orthocarboxylic acids. 2-Methylselenazoline is prepared by reacting b -bromoethylamine hydrobromide with freshly prepared selenoacetamide; the hydrobromide of the selenazoline base so obtained is hydrolysed by means of caustic potash and the base then converted into an alkyl quaternary salt in the customary manner.  In examples (1) 2-methylselenazoline ethyl iodide is condensed in pyridine with triethyl orthoformate to give 3,3<1>-diethylselenazoline carbocyanine iodide: (2) 2-methylselenazoline methyliodide is condensed in pyridine with trimethyl orthopropionate to give 3,3<1>-dimethyl-7-ethylselenazolinocarbocyanine iodide.
Patent GB-310265-A (GB)
Title: Improvements in compressed air power plants
IPC: F01B17/02
Filed: 1928-09-13
Abstract: 310,265. Hõdrich, P. Sept. 13, 1928. No Patent granted (Sealing fee not paid). Compressed - air engines. - A compressed-air engine is automatically con. verted to work with steam when the pressure of the air reservoir falls to a given value. An engine d driven by compressed air from a reservoir a drives a machine i, while when the work absorbed by this machine decreases, the engine drives a compressor k which supplies the receiver, through a clutch t operated automatically or by hand; the compressor may be driven from an electric or other motor n when not operated by the engine, the driving belt being shifted to an idle pulley when desired. When the receiver pressure falls too far, the engine d is supplied with steam or other motive fluid from a separate source such as a pipe v having in common with the air-pipe w an air and steam valve operated by a spring-pressed piston 1 subject to the receiver pressure.
Patent GB-815366-A (GB)
Title: Improvements in and relating to electrical control systems
Inventor: MCTAGGART JOHN
IPC: H02K23/02
Filed: 1955-09-14
Abstract: 815,366. Exciting dynamo-electric machines; automatic voltage control systems. BRITISH THOMSON-HOUSTON CO. Ltd. Dec. 12, 1956 [Sept. 14, 1955], No. 26339/55. Classes 35 and 38 (4). A retroactive control system employs an A.C. or D.C. generator having a permanent magnet pole and an opposing pole excited in proportion to the controlled quantity so as to produce a correcting voltage at the generator terminals dependent on the deviation of the controlled quantity. In its simplest form for use as a regulating exciter, the machine has two opposed poles, the permanent-magnet pole having long pole-horns which serve to shunt away the magnet-flux to the machine frame in response to the opposition of the excited pole. When the controlled quantity has the desired magnitude, no flux passes through the machine armature, and so no correcting voltage is generated. In a modification the winding may be on the pole-horns to create the leakage directly. Additional windings for stabilizing &c. may be used. In the more elaborate form shown in Fig. 8, the stator has two magnet poles 5, 5a, and two wound poles 4, 4a, arranged oppositely so as to produce crossed fluxes a, c passing through the two-pole armature 1. The resultant voltage output at brushes 8, 9 depends on the difference between these two fluxes. If the pole-horns 10 are not present, the two fluxes act independently to produce a steady reduction of output voltage as the controlled quantity increases. As shown, the cross fluxes are made inter-dependent by the use of the leakage-horns 10 and saturable yoke-parts A, B which limit the difference between the fluxes. This causes a very sudden reversal of the output voltage at the critical excitation. Fig. 9 shows a simple two-pole machine arranged as an inductor alternator with an output winding 21 on the pole-teeth connected through a rectifier 23 to the circuit, e.g. a generator field, at terminals 24, 25. A part of the output voltage is fed back to the control winding 6 to ensure reversal of generated voltage by means of a rheostat or non-linear resistor 27. Additional feed-back windings, e.g. 28, may be included.
Patent GB-278719-A (GB)
Title: Improvements in or relating to machines for drying veneer
IPC: F26B15/12
Filed: 1927-10-05
Abstract: 278,719. Rubenstein, L. Oct. 9, 1926, [Convention date]. Articles traversed during drying; heating- fittings; driving-mechanism, applications of. - A machine for drying veneers comprises stationary steam-heated surfaces 20 - - 25, Fig. 1, superposed reciprocating steam-heated chambers 1 - - 6, and stationary cooling-surfaces 26, 27, the veneers being fed between the steam-heated surfaces and chambers and over the cooling-surfaces by pairs of positively-driven rollers. The chambers, which consist of aluminium &c. bodies 40, Fig. 3, having brass &c. covers with upturned ends, are resiliently and adjustably suspended at their ends by rods 43, 44, Figs. 4 and 5, from beams 45, 46 carried by transverse rods 48 having looselymounted rollers 52 supported upon verticallyadjustable guides 53, the guides being carried by 'longitudinal bars 58 supported in slides formed in the machine standards 36. The standards also support, adjustably, the feed-roller bearings and the steam-heated surfaces. Steam is supplied through pipes 120, 121 directly to the surface 23 and the chambers 3, 4 respectively, and thence through connecting pipes to the surfaces and chambers at the ends of the machine from which it is exhausted through pipes 137 - - 140. This arrangement ensures a higher temperature at the centre of the machine than at the ends. Interconnected cooling-coils are disposed beneath the surfaces 26, 27. In operation, the feed-rollers are rotated through worm-gearing from a shaft driven through belt-gearing from a main shaft from which the beams supporting the heated chambers are reciprocated through crank and link mechanism. Adjustment of the guide surfaces 53 is effected through rods 61, Fig. 3, from a handactuated transverse shaft.
Patent GB-256436-A (GB)
Title: Improvements in or relating to gas meters
IPC: G01F3/22
Filed: 1925-10-21
Abstract: 256,436. Huettig, A. R. Oct. 21, 1925. Gas meters.-A dry gas meter comprises a ring or body portion 1 and end covers 2 forming a casing divided by diaphragms 5, 6 and a partition 4 into four measuring chambers 7 - - 10. The gas supply and discharge to the measuring chambers is controlled by valves 15 enclosed in a top cover 3 which also encloses the indicating mechanism. A crank 17 on a shaft 18 extending downwardly through a bearing 18<a> into the compartment 9 operates the valves 15 and the indicating mechanism shaft 19. The shaft 18 carries on a crank arm 24 a crank pin 25 which is connected by a link 26 to an arm 27 on a rocking shaft 28 which is mounted in a gas-tight bearing 30 on a bracket 31 covering an opening 31<a> in the partition 4. The rocking shaft 28 extends into the compartment 8 and is pivotally attached to the plate 36 on the diaphragm 5. The crank pin 25 is also connected by a link 37 to a pin 38 carried by arms 39, 40. The arm 39 is pivoted at one end 41 to the plate 42 on the diaphragm 6 and at the other end 43 to the casing wall. The arm 40 is slidingly attached at one end to the plate 42, and at the other end is pivoted to an arm 46 extending from the casing wall. The pin 25 is mounted on a sliding block 25<a> which may be adjusted in the crank arm 24 to vary its throw by means of a screw 56. The crank arm 24 is attached by a screw 52 to an arm 54 on a hub 47 on the shaft 18 so that it may be adjusted to vary the angularity of the crank in relation to the valves. A plugged opening 58 in the casing allows the screws 52, 56 to be adjusted without the meter being taken apart.
Patent GB-798146-A (GB)
Title: A method of producing cross-linked polyvinyl alcohol
IPC: C08F8/12
Filed: 1956-08-29
Abstract: Cross-linked polyvinyl alcohol is prepared by treating an ester of polyvinyl alcohol, particularly polyvinyl acetate, with high energy irradiation, and deacylating the irradiated ester, e.g. by hydrolysis or alcoholysis.ALSO:Cross-linked polyvinyl alcohol is prepared by treating an ester of polyvinyl alcohol, particularly polyvinyl acetate, with high energy irradiation, and deacylating the irradiated ester, e.g. by hydrolysis or alcoholysis.
Patent GB-635162-A (GB)
Title: Improvements relating to the drying or other processing of felt hat hoods and similar flexible, conical bodies
IPC: A42C1/02
Filed: 1947-10-01
Abstract: <PICT:0635162/IV (c)/1> <PICT:0635162/IV (c)/2> Hat hoods and similar flexible, conical bodies are held for drying or other treatment by being inserted, crown downwards, into frames each consisting of an undulated top wire d1 and wire ribs e. The frame is tapered down-wardly and is of less diameter than the hood, so that the latter takes the shape of and is held frictionally by the frame.  The frames may be secured by plates a1, a2 to cross-bars a extending between the chains of a conveyer, which may be associated with a drying chamber such as is described in Specification 530,195, [Group XIII].  Rows of frames may be arranged in staggered relation on successive pairs of bars with the undulations of the frames substantially intermeshing.