baber/WOPTO huggingface dataset:
Patent GB-437254-A (GB)
Title: Improvements in and relating to electric resistance heaters
IPC: H05B3/48
Filed: 1935-06-11
Abstract: 437,254. Wire resistances. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. June 11, 1935, No. 16811. Convention date, June 12, 1934. [Class 37] An electric heater comprises a tubular casing 10 containing a resistance element 13 which is forced into contact with the casing by pairs of wedges 20 and 21. The resistance element may be of the type described in Specification 198,932, [Class 37]. The wedge members 20 and 21 are forced against the limbs of the heating element by forming indentations 23 in the casing between the members. The sheath 10 and wedges 20 and 21 may be made of brass.
Patent GB-585730-A (GB)
Title: Process for the preparation of dyestuffs of the anthraquinone series
IPC: C09B1/34
Filed: 1944-09-04
Abstract: Acid wool dyestuffs of outstanding shades by artificial light are obtained by condensing anthraquinone derivatives having replaceable substituents in the 1 and 4 positions and substituted by halogen in both the 6 and 7 positions, with polynuclear aromatic or partially hydrogenated aromatic amines and sulphonating the resultant condensation products.  Specified anthraquinone derivatives are: 6 : 7-dichloroquinizarine, 6 : 7 - dibromoquinizarine, 6 : 7 - bromochloroquinizarine, 6 : 7 - dichloro - 1 : 4 - hydroxyaminoanthraquinone, 6 : 7 - dichloro - 1 : 4-diaminoanthraquinone or their leuco derivatives or 1 : 4 : 6 : 7-tetrahalogenanthraquinone.  Specified polynuclear amines are: a - and b -naphthylamines, 1- and 2-amino-5 : 6 : 7 : 8-tetrahydronaphthalene, 2 - amino - 1 : 2 : 3 : 4 - tetrahydronaphthalene, 1-amino-4-cyclohexyl-benzene, the aminodiphenyls, the amino di-phenylethers and the aminodiphenylmethanes.  When the anthraquinone derivative is wholly or partially in the form of its leuco-compound, oxidation may be necessary before sulphonation.  In an example, 6 : 7-dichloroquinizarine is condensed with 1-amino-5 : 6 : 7 : 8-tetrahydronaphthalene in the presence of its leuco-compound and of boric acid, with subsequent sulphonation with oleum to produce a dyestuff which dyes wool in yellowish green shades.  The 6 : 7-dichloroquinizarine may be replaced by 6 : 7 - dichloro - 1 : 4 - hydroxyamino- or diaminoanthraquinone or the corresponding 6 : 7-dibromo-compounds.  Samples have been furnished under Sect. 2 (5) of dyestuffs prepared by condensing 1 : 4 : 6 : 7-tetrachloroanthraquinone with 2 - amino - 5 : 6 : 7 : 8-tetrahydronaphthalene, 6 : 7-dichloroquinizarine in the presence of its leuco compound with 2-amino-5 : 6 : 7 : 8-tetrahydronaphthalene, 2 - amino - 1 : 2 : 3 : 4 - tetrahydronaphthalene, 4 - aminodiphenyl, 4 - aminodiphenylether and a - and b -naphthylamines, with subsequent sulphonation.  Specification 466,714 is referred to.  The Specification as open to inspection under Sect. 91 also refers to starting materials containing only a single halogen in the 6 or 7 position such as 6-chloroquinizarine, 6-bromoquinizarine, 6-chlor-1 : 4-hydroxyaminoanthraquinone, 6-chlor- and 6-brom-1 : 4-diaminoanthraquinones, and their leuco compounds and also 1 : 4 : 6-trihalogen anthraquinones, and describes the condensation of 6-chloroquinizarine with 1- or 2-amino-5 : 6 : 7 : 8-tetrahydronaphthalene, 2-amino-1 : 2 : 3 : 4-tetrahydronaphthalene, 4-amino - diphenylether, 4-aminodiphenyl and 4-aminodiphenylmethane and of 1 : 4 : 6-trichloranthraquinone with 2-amino-5 : 6 : 7 : 8-tetrahydronaphthalene, with subsequent sulphonation.  This subject-matter does not appear in the Specification as accepted.
Patent GB-152111-A (GB)
Title: Improvements in the lubrication of motor vehicles
IPC: B60R17/02
Filed: 1919-07-05
Abstract: 152,111. Guy, S. S. July 5, 1919. Gravity-feed lubricating.-For the purpose of lubrication, the various bearings and joints in a motor-vehicle are divided into groups, each group being supplied from a tank. The tanks are filled by hand or by a pump, or by gravity from an elevated tank. The tanks A-E are connected to the various parts by the pipe lines a-e from which flexible pipes e<1> may lead to the individual bearings. In some cases the oil may be conveyed through the interior of hollow parts. Pads or absorbent washers may be placed at the ends of the pipes in contact with the bearings, or return pipes may be provided to dispose of surplus oil. Amongst the parts lubricated are the springs and shackles, steering gear, clutch control and pedal-shaft bearings, brake hand lever and connexions, and the bearings of the sub-frame R. Specification 141,566 is referred to.
Patent GB-720059-A (GB)
Title: Improvements in or relating to can openers
Inventor: NUTBROWN THOMAS MANBY
IPC: B67B7/46
Filed: 1952-07-05
Abstract: 720,059. Can-openers. NUTBROWN, Ltd., T. M. Sept. 28, 1953 [July 5, 1952], No. 16948/52. Class 66. A can-opener of the kind comprising a serrated wheel 32, Fig. 5, adapted to be rotated by a handle 34, and a cutter wheel 42 adapted to be moved by a lever 40 into or out of overlapping relation with the serrated wheel, is characterised in that the cutter wheel 42 is 'mounted on the lever 40 in such a manner as to provide a wedging action for the penetration of the cutter and for its retention in the cutting position, with means for automatically releasing the cutter on reversing the rotation of the handle 34. The lever 40 is pivoted to the main part 16 at 39, substantially above the spindle 31 of the serrated wheel, and on its shorter end is provided with a boss 41, Fig. 6, on which is pivoted the cutter wheel 42, the alignment being such that with the lever in its upper, operating, position the boss 41 is 2 degrees anti-clock of the line 31-39. Gears 38, 44 mounted on the spindle 31 and boss 41 respectively provide a positive drive from the serrated wheel to the cutting wheel. The shorter end of the lever 40 has a stop 45 which engages the hub 30 of the spindle 31 and determines the upright operating position of the lever. The pressure of the rotating cam on the cutter 42 holds the lever 40 in a locked position with this tongue 45 against the hub 30, the locked position being broken by reversal of the rotation of the handle 34. The main part 16 is pivoted by a bolt 22, Fig. 3, in a U-shaped bracket 15 which is removably engageable with a mounting plate 10. On rotating the main part 16 from the position shown in Fig. 3 to one where it is perpendicular to the bracket 15 and plate 10, a detent 21 engages with the lower flange of part 16 and a tongue 24 on the rear portion of part 16 projects through an aperture 20 in the bracket 15 and below a bridge 14 in the mounting-plate 10 so that the bracket 15 cannot then be lifted out of the channels 12. In this position the end 26 of a bell-crank lever 25 drops into the aperture 20 and locks part 16 against pivotal movement relative to the bracket 15. This lock is released by tilting the lever 25. A magnet may be attached to one end of a wire whose other end is fitted in a hole 47 in the upper end of the bolt 22 so that the magnet may be swung into a suitable position to hold the severed portion of the lid.
Patent GB-1027437-A (GB)
Title: Improvements in or relating to inflatable shelters
Inventor: NEUMARK OTTO WALTER
IPC: E04H15/22
Filed: 1963-04-30
Abstract: 1,027,437. Inflatable domes. FRANKENSTEIN GROUP Ltd. April 28, 1964 [April 30, 1963], No. 16959/63. Heading E1A. An air-supported flexible dome is formed from segments each comprising one or more convolutions 12, reinforcements, comprising webbing bands, ropes, or wires being attached along the margins of the convolutions and connected to a quick-release device 23 at the apex of the dome. The segments may be held together merely by the internal pressure forcing overlapping convolutions together, as shown, or forcing the edges of single-convolution segments together, (Fig. 4, not shown), or by slide fasteners 26 (Fig. 9, not shown) with sealing flaps 27 on the adjacent convolutions, the fastener clasps being clamped at 28 by locking clamps which are sprung or blown apart simultaneously with the release of the reinforcements. The convolutions may be formed by ruffling, gathering and seaming together panels of bias-cut fabric, or from a series of shaped panels joined end-to-end, or from panels joined together along curved edges. The reinforcements 11 are bifurcated near their lower edges, (Fig. 2, not shown) with one portion 15 attached to the segment right to the bottom, and pressed against the ground thereby, the other portion 13 being anchored beneath the junction. The portion 13 of those reinforcements lying under overlapping convolutions either pass through eyeletted holes in, or are fastened to, the overlapping convolutions. Adjacent segments may be joined together by touch-fasteners or slide-fasteners 18 during section. One or more sector-shaped flaps 20 or 21 (Fig. 6 or 8, not shown) may be joined to the tops of one or more of the segments, and may also be joined by touch-fasteners, and the reinforcements may either converge and combine towards the apex (Fig. 7, not shown), or be joined to a ring 24 incorporating one or more devices 23. Shear reinforcement 29 (Fig. 10, not shown), may be employed, being fastened to each reinforcement 11 which they cross, with quick release devices 30 at the joints, said reinforcements being arranged in great circles at 45‹ to the horizontal. Either spring- loaded guys 31, or guys which are tensioned at the moment of release of the devices 23 are employed in all the embodiments.
Patent GB-1032223-A (GB)
Title: Improvements in or relating to electric coupling plugs
Inventor: HUGHES JOHN GEORGE KENNETH
IPC: H01R13/68
Filed: 1964-04-23
Abstract: 1,032,223. Two-part couplings. VOLEX ELECTRICAL PRODUCTS Ltd. April 14, 1965 [April 23, 1964], No. 16960/64. Heading H2E. The live pin 14 of a three-pin, fused, flat-pin plug is formed at its inner end with a stop shoulder 16 which engages in a recess 15 in the body, and on the opposite side of the pin with a recess 17 which receives the end of a flat V- shaped fuse clip 18 which is fixed in position so that it lies substantially flush with the side of the pin. The plug cover 26 bears directly on to the inner ends of the three pins. The inner edges of the U-shaped slot each have a slight hollow 21 (Fig. 4, not shown) to fit around the end of a fuse cap 22. A similar fuse clip 23 is formed as one limb of a U-shaped stamping 24, the flat central part of which is located in the base cavity 6 of the plug. The second limb of the stamping has a tubular terminal 25 riveted to it.
Patent GB-293564-A (GB)
Title: Improvements in multiple ply woven fabrics
IPC: D03D25/00
Filed: 1927-06-27
Abstract: 293,564. Spencer, R. June 27, 1927. Multiple fabrics for covering the drying cylinders of paper making machines have weft threads. 1 - - 4 of cotton and worsted yarns doubled together. The warp threads 5, 6, 7 of the three lower plies are of doubled cotton, whilst the warp threads 8 of the surface layer are of worsted and cotton doubled together. Specification 225,105 is referred to.
Patent GB-1443063-A (GB)
Title: Pulse pair decoder
IPC: G01S13/78
Filed: 1975-04-24
Abstract: 1443063 Pulse-pair decoding INTERNATIONAL STANDARD ELECTRIC CORP 24 April 1975 [24 April 1974] 17012/75 Heading G4H In a decoder for decoding a pair of input pulses with a characteristic spacing between the pulses, count recognition means are responsive to a series of counters which take on in turn the counting of clock pulses, the first of the series starting counting in response to each input pulse. A pair of pulses with a characteristic time separation is recognized by using each to set a control flip-flop associated with the first of a chain of identical binary counters to cause the counter to count clock pulses. When the first counter reaches capacity it resets its control flip-flop to stop counting the clock pulses and sets the control flip-flop of the next counter which then starts to count the clock pulses, and so on. Gates respond to stages of the first counter to set and reset a flip-flop to define a tolerance window. This flip-flop partially enables two output gates relating to respective time separations to be recognized, one of them also being partially enabled by gates responsive to stages of the second counter and the other also being partially enabled by the "capacity" (overflow) output of the fourth (last) counter. The resolution power of the decoder corresponds to the capacity of the first counter. The invention can be applied in TACAN or DME radio navigation systems.
Patent GB-682991-A (GB)
Title: An appliance for introducing granular and powdery substances, such as fertilisers, into soil
IPC: A01C15/02
Filed: 1950-07-07
Abstract: 682,991. Injecting fertilizer &c. KESTREL ENGINEERING CO., Ltd., and HOBBS, J. R. June 27, 1951 [July 7, 1950; Jan. 23, 1951]. Nos. 17029/50 and 1718/51. Class 6(ii) [Also in Group XVII] A device for injecting fertilizer or pestcontrolling substances into the soil comprises a container transportable by hand and provided with a nozzle 6 formed with a bore 5. which communicates with the container by means of a diverging throat 4 and passage 3 and a plunger comprising a rod 7 slidable in bearings and a head 11 which slides in the bore 5. A spring 12 is used to agitate the material in the container and the plunger is operated by a hand lever 17 pivoted on a handle 19. The plunger is depressed and the container is pushed into the soil, the depth of penetration being limited by the face 25 of the container. The plunger is raised to allow powder to fill up the bore 5 and depressed to eject the powder from the bore into the soil. In a modification a handle may be provided on the end of the.. rod 7.
Patent GB-172286-A (GB)
Abstract: 172,286. Tschudy, H. Dec. 1, 1920, Rollers and rolier heads.-In a spinning frame, the front pressure roller a is weighted by a heavy clearing- roller b<1> resting upon it. The roller b<1> is covered with cloth e and is mounted in a U-shaped metal guiding-member c<1>, which is adjustably fixed to the side plate h of the framing and has a forked arm k for supporting the roller b<1> when not in use. The guiding-member c<1> is fitted with an adjustable supporting-screw c<2>. The clearing- roller b' may be arranged to rest on two pressure rollers such as a.
Patent GB-496377-A (GB)
Title: Improvements in and relating to bowls for centrifugal separators
IPC: B04B7/12
Filed: 1938-06-10
Abstract: 496,377. Centrifugal separators. AKTIEBOLAGET SEPARATOR. June 10, 1938, No. 17266. Convention date, June 11, 1937. [Class 23] The bowl of a centrifugal separator for milk and like liquids, has a central tube 3 integral with, or fixed to, the bottom 2 of the bowl. Distributing channels convey the liquid from the inlet chamber 6 in the central tube to the level of the hole 7 in the lowermost disc 8. Each channel is made by first boring a channel 4 from the lower side of the bottom of the bowl to the chamber 6. The lower part is closed with a plug 9, and a second channel 10 is bored to meet the first from the side. By the use of suitable drills a round surface is obtained at the part 12 and the whole channel can be finished by a reamer.
Patent GB-1413244-A (GB)
Title: Rolling bearings
IPC: F16D23/14
Filed: 1973-04-11
Abstract: 1413244 Clutch release bearing SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 11 April 1973 [13 April 1972] 17444/73 Heading F2L In the clutch release bearing shown the outer and inner races 2, 3 respectively are formed from sheet metal and the inner race 3 is closed at one end, in which end a ball 16 or rod of a clutch actuating means can engage, there being a sleeve 18 having a flange 19 secured to a portion 14 of the inner race to hold the races together. The clutch operating lever acts upon a flanges 13 of the outer race 2.
Patent GB-297883-A (GB)
Title: Improvements in or relating to drills for use in mining, well-drilling and like purposes
IPC: E21B17/042
Filed: 1927-07-01
Abstract: 297,883. Thurston, F. W. July 1, 1927. Percussive drills for mining, drilling for oil, &c. have the bit 10 connected to the drill rod 11, or drill rod sections connected together, by a coupling member 1,2 provided with an internal screw thread of undulating and continuously curved contour and engaging corresponding threads on the ends of the rod section or bit. The concave and convex portions of the thread may be semicircles or segments struck from centres placed alternately on lines 28, 29, Fig. 5; the threads may be formed by cutting, forging, swaging, or casting. The bit and rod, or rod sections, may contact within the coupling, Fig. 2, or may have shoulders 16, 17, Fig. 4, contacting with the ends of the coupling, with or without contact of the ends within the coupling. The length of the thread on the bit, Fig. 2, is such as to be partially out of the coupling member when the latter is wedged against the end 30 of the thread on the rod. Annealing, tempering, and modifying physical properties of metals.-A drill rod of Vanadium steel is protected against fatigue by heating it to 1550‹ F. for thirty minutes, and again heating it in a furnace, or melted salt mixture, to 1100‹ F. for thirty to forty-five minutes. For rods of ordinary tool steels, the temperatures used are 1525‹ F. and 550‹ F. The bit 10, of Chrome Vanadium steel, is heated preferably in a gas furnace to 1525‹ F. for 30 to 45 minutes, quenched in oil, preferably again heated in a furnace or a melted salt solution to 1250‹ F. for 45 minutes, and the cutting end then heated to 1525‹ F. quenched in oil, and finally tempered at 400‹ F. The coupling 12, of Chromemolybdenum steel, is given shock-absorbing properties by heating to 1550‹ F. for 45 minutes, quenching in oil, and then heating, preferably in a melted salt bath, to 700‹ F. for 45 minutes. The quenching oil may have a viscosity of 100 to 130 seconds at 100' F. Specification 200,303 is referred to.
Patent GB-314333-A (GB)
Title: Improvements relating to superheaters
IPC: F22G3/00
Filed: 1929-06-07
Abstract: 314,333. L÷ffler, S. June 25, 1928, [Convention date]. Overheating of superheating.tubes, preventing. -When the temperature of a superheater 1, Fig. 1, rises above a certain point, a tube 3 connected to it opens an auxiliary valve 18, Fig. 4, thus allowing steam, from the superheater to so act on a piston 14, Fig. 2, as to open .a main valve 13, through which steam flows from the superheater to an escape pipe 12. The expansion of the tube moves a sliding member and rod 6 connected to the shorter arm of a bell-crank lever 7 acting on the spindle of the valve 18, which is normally maintained against its seating by a spring 22. Steam from the superheater passes through the inlet pipe 11 on the casing 10 of the valve 13 and when the alve 18 is open, through a hole 15 in the piston 14, the consequent excess upward pressure acting on the piston lifting the valve 13 and allowing the steam to escape directly through the pipe 12. The throttling member 20 on the stem of the valve 13 prevents the valve from closing with shock. In a modification, the auxiliary valve 18 controls the flow of steam to instead of from the valve casing 10.
Patent GB-1169759-A (GB)
Title: Improvements relating to Steering Linkage for Wheeled Vehicles
IPC: B62D7/02
Filed: 1967-04-18
Abstract: 1,169,759. Vehicle steering linkage. INTERNATIONAL HARVESTER CO. 18 April, 1967 [21 April, 1966], No. 17660/67. Heading B7H. In vehicle steering linkage comprising a tie-rod linking steering arms for respective connection to each of two steerable wheels, one or both of the steering arms is of variable length and the connection between the tie-rod and the/or each arm is such that the length of the arm increases as the included angle between the tie-rod and arm decreases. In a plough having a furrow wheel and a land wheel spaced apart in the direction of travel so that the furrow wheel is in advance of the land wheel, the tie-rod 6 links a variable-length steering arm 2 connected to the land wheel and a fixed length arm connected to the furrow wheel. A smaller turning circle maintaining correct steering geometry is thereby obtained. The variable-length steering arm 2 comprises a first section 3 slidable into a second section 4 secured to the wheel pivot. A guide link 7 which controls telescoping of the sections 3, 4 is connected to the tie-rod 6 and the section 4 of the arm by pivots 8, 9. In Fig. 4 (not shown), both steering arms are of variable length.
Patent GB-797262-A (GB)
Title: Method of producing a concentrated titanium pre-alloy or hardener free from iron, from raw materials containing titanium
IPC: C22C1/03
Filed: 1956-06-07
Abstract: Titanium-rich alloys free from iron are produced from raw materials such as bauxite, rutile or ilmenite by calcining the raw material in a rotary kiln, multiple hearth furnace or the like with or without the addition of carbon, melting the resulting material with cryolite at a temperature of about 1000 DEG C. whereby titanium is dissolved in the cryolite and separated from iron, then reducing the titanic acid contained in the cryolite in another furnace at about 1000 DEG C. with excess aluminium which is added in the form of chips, scrap, or waste, the metallic titanium collecting with the excess aluminium as an alloy at the bottom of the furnace.  The reduction is preferably carried out in an induction furnace utilizing the electromagnetic stirring effect of the furnace.  Where the raw material contains silica the silica remains dissolved in the cryolite during the reduction.  The titanium-aluminium alloy may be further enriched by subjecting it to a liquation at about 1000 DEG C. to recover titanium in the form of Al3Ti containing 37.2 per cent of titanium.  Aluminium may be recovered from the cryolite bath by electrolysis.
Patent GB-937062-A (GB)
Title: Unloader means for a reciprocating compressor
Inventor: NICHOLAS ANDREW JOHN
IPC: F04B49/22
Filed: 1962-05-08
Abstract: 937,062. Reciprocating compressors. WORTHINGTON CORPORATION. May 8, 1962, No. 17708/62. Class 8(1). Unloading is effected by a sleeve 22 slidably mounted about the cylinder 9 and urged by a spring 27 against a cylinder flange 13 so as to cut off communication between the suction inlet chamber 12 and the suction manifold 7. The action of the spring 27 is overcome during normal operation of the compressor by fluid e.g., oil pressure admitted through a duct 29 to a chamber 23 formed by a recessed portion of the sleeve and a cylinder flange 20. A partition 6 divides the compressor casing 2 into the suction manifold 7 and a discharge compartment 8 whilst a partition 3 to which duct 29 is secured divides the suction manifold from the crankcase.
Patent GB-762095-A (GB)
Title: Improvements in or relating to schmidt optical systems
Inventor: TAYLOR JOHN HARRY
IPC: G02B7/02
Filed: 1953-06-27
Abstract: 762,095. Optical systems. ELECTRIC & MUSICAL INDUSTRIES, Ltd. June 11, 1954 [June 27, 1953], No. 17867/53. Class 97(1) In a Schmidt system in which a plane mirror is arranged optically between a spherical mirror and a corrector plate, the plane mirror is mounted adjustably with respect to the spherical miror and corrector plate so that it may be adjusted to cause an optical axis of the spherical mirror reflected by the plane mirror to pass through the centre of the corrector plate. As shown the spherical mirror 2 and corrector plate 1 are rigidly fixed to a casing 3 to the open end of which the plane mirror 4 is mounted and has an aperture 6 for the admission of light from the sheet such as the screen of a television receiver. A number of eccentrically mounted beads 9 are rotatably supported on the casing 3 on spindles which each support an arm 10 carrying a spring 15 engaged between a nut 16 and a plate 12 to press a pad 13 carried by the latter against the upper surface of the mirror 4, the lower surface of which rests on the heads 9. By rotation of the heads 9 the angular position of the mirror 4 can be adjusted. Specification 748,937 is referred to.