baber/WOPTO huggingface dataset:
Patent GB-543255-A (GB)
Title: Improvements in or relating to the formation of hollow metallic propeller blades
IPC: B21K3/04
Filed: 1940-07-10
Abstract: 543,255. Making screw propeller ; cores and fillings. ALUMINUM CO. OF AMERICA. July 10, 1940, No. 11516. Convention date, July 25, 1939. Addition to 542,999. [Classes 83 (i), 83 (ii) and 83 (iv)] Casting composite articles; patterns.-In making hollow propeller blades as in the parent Specification the deformable core is cast in the interior of the hollow blank. When the blank is ready to be worked on the core, a pattern in three pieces 13, 14, 15 is inserted in the blank, the spaces left are filled with moulding sand, the pattern is removed, the space thus left is filled by casting in lead &c. and, when this has set, the sand is removed. The process is then completed as in the parent Specification. Casting processes.-The metal for the core is preferably poured with the blank in nearly horizontal position at first, the shank being gradually raised as pouring progresses.
Patent GB-1530427-A (GB)
Title: Fastening assembly for two elements
IPC: F16B1/02
Filed: 1977-03-18
Abstract: 1530427 Anti-rattle devices CATERPILLAR TRACTOR CO 18 March 1977 [13 Aug 1976] 11549/77 Heading E2A Rattle between members 20 and 17 is prevented by the engagement of resilient rollers 57, 58 carried by the former with the latter and with bracket 68 carried by the latter respectively. The two members are held together by the engagement of resilient fastening member 35 in slot 44 of bracket 37.
Patent GB-1123798-A (GB)
Title: Improvements in nitrogen-containing derivatives of phthalic anhydride
IPC: C08F2/46
Filed: 1966-03-16
Abstract: A polymer having recurring units of the formula <FORM:1123798/C3/1> where R is a divalent radical of the formula <FORM:1123798/C3/2> <FORM:1123798/C3/3> <FORM:1123798/C3/4> <FORM:1123798/C3/5> <FORM:1123798/C3/6> and n is a whole number greater than 10, may be obtained by reacting a compound of the formula <FORM:1123798/C3/7> with a diamine of the formula H2N-R-NH2 in an organic solvent.  The polymers may also be obtained by forming the monomer in situ by reacting N,N1-diphenyl-p-phenylene diamine with chloroformyl phthalic anhydride and then adding a second diamine required to make the polymers in a suitable solvent.  They generally have softening points in the range 275 DEG  to 375 DEG  C.  Conventional additives may be added to the polymers (they may also be blended with other polymers) and they may be used as laminating resins, formed into films, filaments or fibres or they may be moulded into shaped articles.  The dianhydride monomers may also be used to effect curing of epoxy resins by incorporating small amounts of the dianhydride in an epoxy resin and heating the latter at 150-175 DEG  C.ALSO:A novel dianhydride of the formula <FORM:1123798/C2/1> may be obtained by reacting 4-chloroformyl phthalic anhydride with N,N1 - diphenyl - p - phenylene diamine.  The reaction may be effected in an inert organic solvent.ALSO:A coating composition comprises a polymer of the formula:  <FORM:1123798/B1-B2/1> where R is a divalent radical of the formula <FORM:1123798/B1-B2/2> and n is a whole number greater than 10.  The polymers may be coated on metallic or non-metallic substrates, e.g. glass, by flame spraying, melt casting or by casting while dissolved in a solvent.  In an example a nickel-coated copper wire is dipped into a solution of a polymer of the formula: <FORM:1123798/B1-B2/3> in N-methyl pyrrolidone and cured at 300 DEG C for 3 minutes for each of three coats.
Patent GB-939251-A (GB)
Title: 4-chloro-6-fluorobenzene-1,3-disulphonamide and a method of preparing it
Filed: 1960-04-01
Abstract: The invention comprises 4-chloro-6-fluorobenzene-1,3-disulphonamide and its alkalimetal salts and the preparation thereof by reacting 1-chloro-3-fluorobenzene with chlorosulphonic acid and treating the resulting disulphonyl chloride with ammonia.  Pharmaceutical preparations having diuretic activity comprise tablets and injectable solutions containing the above compound or its alkali-metal salts.
Patent GB-1119040-A (GB)
Title: Radar system
Inventor: ROBINSON STEPHEN JOSEPH
IPC: G01S13/24
Filed: 1967-03-13
Abstract: 1,119,040. Pulse radar. MULLARD Ltd. 13 March, 1967, No. 11660/67. Heading H4D. In a radar the transmitter SDM (e.g. a spinning disc magnetron) produces a cycle of N spaced pulses P 1  . . . P N  at least most of which are on different carrier frequencies F 1  ... F N , the receiver has N channels LMa . . . tuned to the corresponding transmitted carrier frequencies, the channel outputs are delayed by lines DLa ... such that echoes from the same stationary target are brought into time coincidence at the input of adder ADD, and the sum signal is timed relative to the transmissions: according to the invention the receiver channel tuning means comprises a frequency measurer FMU responsive to the frequency of each transmitted pulse to tune such channels in cyclic succession. The inter-pulse spacings may be irregular but in the embodiment they are each equal, #T, the lines DLa, DLb ... introduce respective delays of 9#T, 8#T... and device UD is a type A display with its time-base triggered once every 10#T. Enhancement of wanted targets in clutter is achieved, Fig. 2 (not shown). The tuning of the receiver channels may incorporate a store ST connected to frequency measurer FMU; the tuning of a channel is maintained until a time N.#T later. Certain elements may be arranged on a printed-circuit board, Fig. 4 (not shown).
Patent GB-220034-A (GB)
Title: Improvements in surgical splints
IPC: A61F5/058
Filed: 1923-05-01
Abstract: 220,034. Atkinson, J. R. May 1, 1923. Splints; tension apparatus.-A splint for supporting a fractured leg is provided with tensioning means to draw the fractured ends into position. The splint comprises a thigh supporting member 7 attached to the thigh by a bandage 8 and pivotally mounted at 6 in a frame 2, the inclination of the member 7 being varied by a rod 9 having a turn-buckle 10. Tension is applied to the leg by side rods 11 which terminate in flat portions 12 the ends of which are bent at right angles and overlap one another. The portions 12 are held together and the distance between them adjusted by bolts 14. The other ends of the rods 11 are provided with screw threads and nuts 15 and pass through holes in upright portions 4 of the frame 2, the rods 11 being also supported in loops 18 on adjustable uprights 17. A laced ankle band 20 is supported by straps passing through apertures in the overlapping ends of the members 12 and a leg band 22 is connected by straps 23 to the uprights 4. A piece of fabric 25 carried by the rods 11 supports the leg during and after setting. In use, after the bands 20, 22 have been fastened to the leg, tension is applied to bring the fractured ends into the required position by turning the nuts 15, twist being also imposed if necessary by adjusting the uprights 17. If the fracture is adjacent the foot the band 20 may be dispensed with, the rods 11 being connected together by a steel rod driven through the heel bone.
Patent GB-254454-A (GB)
Title: Improvements in and relating to apparatus for storing and distributing fluids
IPC: B67D7/32
Filed: 1925-05-06
Abstract: 254,454. Budd, H. May 6, 1925. Mountings.-A pump 5 is mounted above a cylindrical tank for oil &c. in such a manner that its axis is eccentric to the tank, and it is capable of being turned to vary the position of its delivery. The base of the pump is secured to a plate 3, and the plate 3 to the flange of a manhole by a number of equally spaced bolts.
Patent GB-1113346-A (GB)
Title: A surface treatment element
IPC: B24B31/14
Filed: 1967-03-14
Abstract: 1,113,346. Tumbling. GUALDIPEX S.A. 14 March, 1967 [2 April, 1966], No. 11882/67. Heading B3D. A surface treatment element for edge removing, edge rounding, grinding or polishing is bounded by four equilateral triangles 1, 2, 3, 4. The surfaces may all be plane; one or more may be plane and the others curved; all may be curved. The element may be moulded; when the surfaces are plane, the size of the element is determined by the depth to which the mould is filled.
Patent GB-858248-A (GB)
Title: Improvements in or relating to thermally-operated protective devices for polyphase circuits
IPC: H01H83/22
Filed: 1958-04-16
Abstract: 858,248. Protective cut-out arrangements; thermal switches. TELEMECANIQUE ELECTRIQUE. April 16, 1958 [May 3, 1957], No. 12170/58. Class 38 (5). An unbalance and overload polyphase protective device has parallel bimetallic members 1a . . . 1c spaced in a common plane and flat transverse elements 6 each having a portion extending between and pivoted to a pair of adjacent bimetallic members. Each element 6 has arms 6b which engage arms 5 secured to a shaft 2 carrying a moving contact 3 co-operating with an adjustable fixed contact 4. Under balanced overload conditions in which the members 1a . . . 1c are heated equally by the phase currents flowing through them or adjacent heater elements, the bimetallic members deflect equally and move the elements 6 bodily to open the contacts 3, 4. In the event of unbalance, the unequal deflections of the bimetallic members causes one or both of the elements 6 to tilt and turn the arms 5 to open the contacts. The elements 6 are supported in, and guided by, slots 7a in insulating partitions 7 extending between the bimetallic members. The pivotal connections between the bimetallic members and the elements 6 may be provided by recesses in the elements 6 shaped as shown, or by parallelsided recesses in the elements 6 which co-operate with semi-cylindrical bearing-elements on the bimetallic members, Fig. 5 (not shown). Alternatively, each element 6 may be pivoted to one bimetallic member by a pivot-pin and to the other by means of a recess.
Patent GB-129476-A (GB)
Title: Improvements in Locking Devices for Bolts, Nuts and the like.
Inventor: BAXTER PAGET
IPC: F16B39/24
Filed: 1918-07-26
Abstract: 129,476. Baxter, P. July 26, 1918. Locking nuts. - A dished washer b placed on a bolt below a, nut with its concave or convex side uppermost grips the thread of the bolt when flattened by screwing down the nut. The washer may have a flat flange a which, when the central part is flattened, cockles up and bears against the sides of the nut. Fig. 10 shows a modification in which the washer has a turned-up flange k to engage the sides of the nut when bent into undulating form by pressure. Reference has been directed by the Comptroller to Specifications 19857/08 and 109,854.
Patent GB-128658-A (GB)
Title: Improvements in or relating to the Application of Varnishes containing Volatile Solvents.
Inventor: WARD GEORGE LEOPOLD
IPC: B05D1/02
Filed: 1917-08-28
Abstract: 128,658. Ward, G. L. Aug. 28, 1917. Coating processes; coating-machines. -In the method of applying varnishes containing volatile solvent by spraying, air highly charged with the vapour of the solvent is used as the propelling and spraying medium, in order to prevent the premature evaporation of the solvent. The medium may be fed to the spraying-nozzle either in admixture with the varnish or from a separate source. The spraying-operation may be performed within a closed chamber charged with the above-mentioned medium, means being provided for passing the articles to be varnished in front of a series of spraying-nozzles without opening the chamber to the atmosphere. The medium may be pumped from the chamber back through the spray. The varnished articles may be dried in a chamber provided with exhausting- means so that the vapours of the solvent may be condensed for re-use.
Patent GB-276055-A (GB)
Title: Improvements in or relating to methods of and machines for shaping the heel end of asole to form a heel-seat
IPC: A43D8/34
Filed: 1926-05-17
Abstract: 276,055. British United Shoe Machinery Co., Ltd., Gouldbourn, J., and Ricks, F. May 17, 1926. Drawings to Specification. Connecting uppers to soles.-A sole is temporarily attached, in final position, to an upper, e.g., by pegs of wood or paper twine; the heel seat is then shaped by cutting; the permanent sole-securing seam is then sewn. Specification 256,234, [Class 17 (i), Boots and shoes, Apparatus for making &c.], is referred to.
Patent GB-700383-A (GB)
Title: Improvements in or relating to seats
IPC: B60N2/08
Filed: 1951-05-29
Abstract: 700,383. Seats. HUMBER, Ltd., and PRIESTMAN, F. D. July 15, 1952 [May 29, 1951], No. 12601/51. Class 52(2) A seat angularly adjustable is pivotally mounted at its front or rear end to a fixed or movable support and at its other end is supported by one or more pivoted multisocket members on the seat or support coacting with a part secured to the support or seat respectively the multi-socket member having a series of sockets angularly and radially displaced in relation to its or their pivots. As shown' a seat frame 1 is provided towards each side with a subframe comprising a pair of angle members 2 and a cross-member 3 the angle members 2 being pivoted at 4 to an adustable support 5. Mounted at the rear of the support 5 is a transverse shaft 7 having at each end an arm. 8 comprising three sockets or notches 12 adapted to coact with a pin 14. The shaft 7 is at one end provided with a shank for the reception of an operating handle 18 and is biased by a spring so that if the seat is partially lifted the arms rotate to bring the next socket into receiving position. The arms may be provided with pins instead of sockets the pins engaging a V-shaped socket on the other part. Specification 6799/09, [Class 52(ii)], is referred to.
Patent GB-936664-A (GB)
Title: A process for the production of hydantoins
IPC: C07D233/72
Filed: 1960-04-08
Abstract: Hydantoins mono- or di-substituted at the 5-position are prepared by reacting an aldehyde or ketone and hydrocyanic acid, or the corresponding cyanohydrin, with carbon dioxide and an excess of ammonia in solution in water and/or organic solvents, using 1 mol of CO2 and 2,5-10 mols of water per mol of aldehyde, ketone or cyanohydrin.  If a non-aqueous solvent is used the required water is added separately.  Preferred reaction temperatures are 0-50 DEG C.; preferably the ratio NH3CO2 = 5-100:1.  The process may be carried out continuously.  Examples prepare: (1), (2) and (6) dimethylhydantoin; (3) methyl ethyl hydantoin; (4) and (7) 5 5-(21-methylmercaptoethyl)hydantoin; (5) phenylhydantoin.
Patent GB-753391-A (GB)
Title: Improvements in or relating to light-sensitive photographic films, plates and papers
IPC: G03C1/835
Filed: 1954-04-30
Abstract: Alginic acid or a salt such as sodium alginate is reacted with fuming nitric acid to produce alginic acid nitrate.  The residue of a former nitration together with fresh fuming nitric acid may be used for the reaction.  Incompletely esterified alginic acid such as alginic acid acetate with about 0.5 ester groups per mannuronic acid unit may be used as starting material to produce mixed esters.
Patent GB-1106722-A (GB)
Title: A stepless automatic slack adjuster for friction brakes
IPC: F16D65/74
Filed: 1966-03-22
Abstract: 1,106,722. Fluid-pressure brakes; disc brakes. W. BUSCH and H. FRIEDERICHS, [trading as BERGISCHE STAHL INDUSTRIE]. 22 March, 1966 [24 March, 1965], No. 12679/66. Headings F2E and F2F. Hydraulic means for automatically adjusting a friction brake, e.g. a disc brake, having a friction member applied by a compression spring and released by supplying fluid to a first piston, comprises a second piston arranged so that the spring acts between the first and second pistons, the second piston being hollow to receive a third, fixed piston so as to define a pressure space adapted to receive pressure of a constant value, whereby a constant prestressing of the spring is obtained, a non-return valve preventing fluid returning from the pressure space when the spring is fully compressed on completion of brake release by the first piston. As shown applied to a disc brake including a disc 1 and a pad 3 carried by a plate 2 secured to an annular release piston 6, the spring 11, composed of Belleville washers, is arranged to act between the head 15 of hollow piston 7 and head 12 of piston 6, the spring surrounding a pin 8 fixed to the piston 15 so as to act as a stop for release movement of the piston 6 when pressure for the purpose is supplied to a chamber 9 via line 10. To adjust the position of piston 7 as wear of the pad takes place fluid is also supplied via a line 17, either continuously or periodically via an electrically operated time relay, to a chamber 16 between piston 7 and a fixed piston 13 via a non-return valve 18, the pressure in line 17 being a constant value and the piston areas being such that ths pressure can only move the piston 7 to compress the spring 11 when, during a preceding brake application, spring 11 has expanded beyond a predetermined value of prestressing. A balance between the pressure in chamber 16 and the spring force is arranged to be reached when a clearance still exists between the head 12 of piston 6 and the pin 8, so that on subsequent release of the brake by supplying pressure to chamber 9 a clearance a is obtained between the pad and the disc, return movement of the piston 7 then being prevented by the non-return valve 18.
Patent GB-528137-A (GB)
Title: Improvements in or connected with conveyers of the belt type
IPC: B65G21/06
Filed: 1939-04-28
Abstract: 528,137. Endless-belt conveyers. MAVOR & COULSON, Ltd., and THOMSON, J. April 28, 1939, No. 12713. [Class 78 (i)] In conveyers of the type in which the belt carrying structure comprises a series of side plates arranged end to end and having inwardly projecting shelves on which the belt bears at its edges, the idler rollers 12, Fig. 3, are journalled in carriers C adapted to be mounted on supporting pedestals 1, Fig. 2, and to provide mountings for the side plates B, B<SP>1</SP>. Each carrier C comprises angle bars 9 connected at their ends by flat bars 10 and at intermediate points by inverted - U section members 11 which act as journal pieces for the roller 12. Projections 8 extend downwardly from the shelves 6 of the side plates B, B<SP>1</SP> and take into the spaces between the parts 10, 11. Projections 4 extending upwards from the pedestals 1 take between the parts 8, 10.
Patent GB-984995-A (GB)
Title: Lighting fixture
IPC: G09F13/04
Filed: 1963-04-01
Abstract: 984,995. Vehicle interior lighting. PATENT LICENSE CORPORATION. April 1, 1963 [Feb. 5, 1963], No. 12771/63. Heading F4R. [Also in Division G5] A lighting fixture for a vehicle comprises a housing, a light-transmitting panel and a light source in the housing, the panel including a window area for controlled directionally concentrated light transmission, and a translucent display section adjacent the window area for illuminating a display forming part thereof, the housing including light reflecting inner surface portions for directing light from the source to the window area and display section. In the form shown, the fitting comprises a base 10 constituted by flat surfaces 17, 18, 19 of which the surface 17 is specularly and the surfaces 18, 19 are diffusely reflecting, and mounting rails 22, 27 at the longitudinal edges of the surfaces 17, 19 which are secured to the vehicle and provided with hooked portions 31, 41 engaging shaped ends of a light transmitting panel consisting of end surfaces 35, 37 of clear material provided with longitudinal prisms 51 and a central arcuate portion of diffusing material having channels 53 at the ends to receive the edges of translucent or opaque cards bearing, e.g. advertising matter. The ends of the fitting are closed by metal plates and several fittings may be mounted end-to-end along the vehicle.
Patent GB-1208222-A (GB)
Title: Improvements in separators for alkaline cellswilliam
Inventor: DUDDY JOSEPH CHARLES
IPC: H01M50/489
Filed: 1969-03-11
Abstract: 1,208,222. Separators for alkaline batteries. ESB Inc. 11 March, 1969, No. 12778/69. Heading B5B. [Also in Divisions B2, C3 and H1] Battery separators (such as semi-permeable films) consist of or contain an organic polysulphide resin which is resistant to hydrolysis in aqueous solutions of sodium hydroxide or potassium hydroxide of the concentrations used in alkaline electrolyte solutions used in rechargeable alkaline cells and a cation exchange resin also resistant to alkaline. They may be made by preparing a mixture of an organic polysulphide prepolymer in the form of a viscous liquid, a cation exchange resin and a minor proportion of a catalyst to cure the propolymer, shaping the mixture into a thin film in any convenient manner such as by calendering and curing the film by causing it to react with atmospheric moisture at room temperature or at a somewhat elevated temperature. The cation exchange resin improves the permeability of the film and thus reduces its electrical resistance. The proportion of cation exchange resin may be such that it is within the range 15% to 60% of the film material based on the total weight of the cation exchange resin and the organic polysulphide resin. The cation exchange resin may be either a strong acid type, such as one containing sulphonic acid groups, or a weak acid type such as powdered polymethacrylic acid; but in either case, the cation exchange resin must be resistant to attack by the alkaline electrolyte, i.e. it must resist hydrolysis. The catalyst for curing the polysulphide prepolymer may be lead dioxide or zinc oxide. The final treatment of the film consists in immersing it in an aqueous solution of sodium or potassium hydroxide which dissolves the catalyst, e.g. in a 5% KOH solution maintained at about 50 C. followed by drying the film. In an alternative method of making the separators the uncured polysulphide resin and cation exchange resin composition may be coated on to one or both sides of a supporting member such as nylon mesh or cellophane film of the type conventionally used as separator material in alkaline cells. The composition is subsequently cured to attach it firmly to the substrate. The polysulphide resin composition may be applied to the substrate in the form of a solution in a volatile solvent.
Patent GB-570089-A (GB)
Title: An improvement in or relating to portable fire extinguishers
IPC: A62C13/00
Filed: 1943-12-09
Abstract: 570,089. Fire-extinguishers. NUSWIFT ENGINEERING CO., Ltd., LEECH, H. C., and HENSHAW, T. A. Dec. 9, 1943, No. 12807. [Class 47 (ii)] The charging opening in the outer container a of a portable fire-extinguisher of the type which is brought into action by axial movement of a piercer or equivalent member f is closed by a plate d having projections thereon which co-operate for ready removal and replacement, with an interrupted flange c<1> on a ring c surrounding the opening. A flexible cup-shaped washer e is clamped between a collar f<2> on the shank f of the piercer f and the plate d, to prevent leakage from the container a, and the shank f<1> is held up by a spring y engaging under its head h. A handle i pivoted in lugs d<2> on the plate d has a central depression i<2> which engages'in a recess h<1> in the head h to prevent accidental depression of the piercer. A sector member j is held down by the spring y on the shank f<1> in position in one of the gaps in the flange c<1> to prevent accidental dislodgement of the plate d. Alternatively, a spring-pressed plunger may be mounted in the plate d to engage a recess in the ring c for the same purpose. A carrying handle m may be provided on the container a or on the cover-plate d. The handle i may be shaped to be capable of engaging a gap in the flange c<1> so that it can be swung in one direction only and so that when moved it compresses the spring g slightly so as to minimise accidental movement of the handle from the gap.