baber/WOPTO huggingface dataset:
Patent GB-496715-A (GB)
Title: Improvements in apparatus for purifying air, particularly applicable to respiratory masks
IPC: A62B23/02
Filed: 1937-05-31
Abstract: 496,715. Respiratory masks; purifying air. PHILLIPS, F. J. H. May 31, 1937, No. 15024. [Class 81 (ii)] [Also in Group XXVIII] Apparatus for removing from the air fine particles injurious to health or machinery, comprises a stationary or rotatable wall, covered with a viscous, preferably non-freezing, liquid, or with a viscous material carried on a backing, on to which the air is directed in fine film-like streams through narrow passages placed at close range in front of the wall, the fine particles being thereby retained by the viscous. material. As shown in Fig. 1, as applied to a respiratory mask, the wall comprises a disc 1 rotatable, in a detachable casing 12 containing viscous liquid 2, by clockwork 3, 4, wound by a key 5. The air enters the casing 12 through radial tubular slits 18, the delivery ends of which are placed close to the disc 1. The air is inhaled through a valve 6 which lifts to uncover apertures 7 in an inner wall 11 of the mask and is guided by rods passing through the wall. The rods engage with and stop the clockwork when the valve is closed and release it when open. Blades 13 spread the liquid 2 uniformly over the disc and break up bubbles. The front wall of the casing 12 may be transparent. The disc may be adjusted axially to vary its spacing from the tubes 18. In a modification, the disc may be rotated by a ratchet wheel and two pawls mounted on levers pivoted on the disc axis, the levers being engaged by bent portions of the inhaling valve guide rods to operate the ratchet wheel during movement of the valve. Alternatively, a single pawl may be carried on a weighted lever moved by movements of the wearer. In a further modification, Fig. 6, the disc 20 is concave and has a bent-back edge 24 coacting with an inclined wall 25 to form an annular nozzle 26. Similar stationary and rotating parts behind the disc 20 may form other nozzles, from which the issuing air is directed on to a drying wall 27. When air is supplied under pressure, a cover-plate 22 carrying a control cock 21 is employed. A scraper blade 41 is provided. A construction applicable to the purification of air in general comprises a fan driven by an electric motor and housed in a cylindrical casing closed at the inlet end by a plate having therein radial tubular slits, the latter delivering the air on to a disc mounted on the fan shaft and faced with a viscous material mounted on a backing. In Fig. 20, a stationary wall 90 is fed with viscous liquid by a wick 92 and the slit-like air delivery tubes 93 may be rotatably mounted and caused to rotate by being set at an angle to the plane of section shown. A lamp 95 may assist inspection of the interior of the apparatus. A suitable viscous liquid is a mixture of carbolic acid and viscous oil. The liquid may be applied to the wall by spraying. Specification 335,992; [Class 8 (ii)], is referred to. The Provisional Specification refers to Specification 465,109.
Patent GB-169215-A (GB)
Title: Meat carving dish
IPC: A47J47/00
Filed: 1920-09-13
Abstract: 169,215. Pavletich, F. J. Sept. 13, 1920. Dishes.-A carving dish consists of a flat solid plate with pyramidal projections b on the central portion c the surface of which lies flush with the rim f, and has a groove d leading to a recess e. Cutaway portions g are provided to allow the dish to be lifted easily.
Patent GB-1378477-A (GB)
Title: Process for forming a mullite compound
IPC: C04B35/18
Filed: 1973-03-29
Abstract: 1378477 Mullite INTERNATIONAL BUSINESS MACHINES CORP 29 March 1973 [20 June 1972] 15107/73 Heading C1A Mullite is made by forming a first mixture of compounds of aluminium and silicon and adjusting the relative proportions of Al and Si from that theoretically required to form mullite (3Al 2 O 3 .2SiO 2 ), to compensate for the alumina and/or silica that is added in a future grinding process, heating said first mixture to partially react the components to form a second mixture comprising Al 2 O 3 , SiO 2  and 3Al 2 O 3 2SiO 2  comminuting said mixture, during which step the relative proportions of Al and Si are changed by the inherent addition of alumina and/or silica from an alumina and/or silica grinding mill, to those required to form mullite, followed by mixing with a binder and solvent and heating to form the mullite.  The first mixture may be heated to 1300 to 1400C. The milled second mixture may be combined with binder and solvent to form a dispersion. A suitable binder may be formed by combining a polyvinylbutyral resin or polymer with a plasticizer such as dioctylphthalate or dibutylphthalate; other suitable polymers are polyvinylformal, polyvinylchloride and polyvinyl acetate. The dispersion may cast into a sheet, dried and sintered at 1500-1600 C. to form the mullite.
Patent GB-809584-A (GB)
Title: Liquid metal purifier
IPC: G21C19/313
Filed: 1957-05-14
Abstract: 809,584. Liquid metal purifier. BABCOCK & WILCOX CO. May 14, 1957 [June 4, 1956], No, 15314/57. Class 82(1) [Also in Group XIII] A liquid metal purifier, for example as used in an atomic reactor to remove oxide from liquid metal used as a heat exchange medium, comprises a vertically elongated vessel, inlet and outlet means for flowing liquid metal therethrough, characterized therein that a peripheral quiescent liquid chamber extends along the wall of the vessel and the quiescent liquid in said chamber is cooled to present a cold wall to the flowing liquid metal within said vessel and precipitate the metal oxide therefrom. Liquid metal enters the regenerative heat exchanger 12 through pipe 76 and then passes into the purifier by way of pipe 34. An annular chamber 44 contains quiescent metal cooled by pipes 50 which are provided with a double bore to allow a gas such as nitrogen to flow between the coolant liquid and the liquid metal. The quiescent metal cools the baffle 18 which, in turn, cools the annular chamber 26 first entered by the metal from pipe 34. Chamber 26 is provided with a filtering mesh to trap deposited oxides shown in Fig. 2 by hatching. The liquid metal can rise through chamber 28 and return to the heat exchanger via pipe 36. An inert gas, which is carried by the liquid metal entering the apparatus and returned to the outgoing metal by way of vent 69, fills the spaces 27 and 30. The quiescent liquid chamber 44 is open to the flowing liquid metal through circulation openings 46.
Patent GB-732977-A (GB)
Title: Improvements in and relating to heat exchangers
Inventor: HRYNISZAK WALDEMAR
IPC: F28D19/04
Filed: 1952-06-19
Abstract: 732,977. Heating air for combustion; platetype heat-exchangers. PARSONS & CO., Ltd., C. A. Sept. 10, 1952 [June 19, 1952], No. 15431/52. Classes 64 (1) and 64 (3). In an air-gas recuperator incorporating a  number of matrix elements 11 each consisting of a plurality of cells having flow passages of small cross-section, e.g. as described in Specification 718,991, means are provided to maintain clean the flow passages of the matrix, in particular those passages through which flows the heating gas, by causing said gas to pass through a filter 16 before entering the matrix, and by providing an intermittent blast of cleaning fluid through the gas passages of the matrix to blow off deposits of dust. The cleaning fluid, which may comprise air with or without the addition of a further cleaning fluid, is supplied by a double-acting pump 22 which forces the said fluid through a pipe 26 to passages 19 formed within the matrix element and thence outwardly through the matrix passages to carry away the dust &c. At the same time the pump withdraws, through pipe 24, dust, &c. deposits which have collected at the hot gas entrance 17 of the element, which entrance is closed by a valve 23 for the short period when the cleaning blast is operating. Some of the cleaning fluid carries away dust &c. deposits to the cooled gas exit ports 18 of the matrix element being cleaned. As shown, two matrix elements 11 are contained in a casing 13 the valve 23 being synchronized with the pump 22 such that one element receives the blast of cleaning fluid whilst the second element remains operative. The valve 23 then operates to cut off the heating gas stream from the latter element whilst at that same time allowing the first element to operate normally. Other pipes similar to pipes 24, 26 are connected to each element 11 and the arrangement is such that cleaning fluid is supplied only to that element having its hot gas inlet port 17 closed by the valve 23, the pump operating continuously. The individual cells constituting an element are each subdivided into a plurality of flow passages by two corrugated strips which are spaced apart in the direction of gas flow to form the passage 19 for the cleaning fluid. The corrugations 19d of the strip may be larger than those 19c of the other strip to induce the cleaning fluid to flow more easily towards the zone 17 and hence to the pipe 24.
Patent GB-684110-A (GB)
Title: Improvements in electric plug and socket connectors
IPC: H01R13/68
Filed: 1950-06-21
Abstract: 684,110. Two-part couplings. NETTLE ACCESSORIES, Ltd., and GOODLIFFE, J. G. June 20, 1951 [June 21, 1950], No. 15475/50. Class 38 (i). A fuse arrangement in the socket-outlet adaptor described in Specification 684,109 comprises a fitting 8 in which is secured by a screw 9 one end of the cartridge fuse 10, and having a blade 11 adapted to engage a clip 12 connected to one contact of each set of contact clips, Fig. 3 (not shown), which receive the subsidiary plugs. The other end of the fuse 10 is secured in a clip 16 attached to a live contact pin 4, the latter having a peg 17 co-operating with a hole in the body 1. The fitting 8 is mounted on an insulating base 7 received in a recess 18 in the adaptor and having grooved ends so as to be readily removable therefrom.
Patent GB-1211363-A (GB)
Title: A new or improved method of and apparatus for producing metal strip
Inventor: ASH FRANCIS MAURICE
IPC: B21C37/02
Filed: 1967-04-05
Abstract: 1,211,363. Bending; extruding; making strip. GLYNWED TUBES & STRUCTURES Ltd. 28 March, 1968 [5 April, 1967], No. 15606/67. Headings B3A, B3E and B3P.  A metal strip is made by extruding metal into a thin wall tube, slitting it within the extrusion orifice, and then converting it into flat strips whilst moving along a path 11, 15. The metal may be lead or a lead alloy such as solder, and is supplied molten to the chamber 19 of an extrusion press 10, Fig. 2. Cooling and heating means controlled by a thermostat adjacent the extrusion orifice 20 serve to maintain the metal at the correct temperature for extrusion. An annular piston 19a actuated by an hydraulic ram or by a screw, extrudes the metal through the extrusion orifice provided between a mandrel 23 and wall 22. The orifice contains a blade 29 which slits the tube longitudinally as it is formed. Alternatively two blades may be used to slit the tube into two parts for forming two strips simultaneously. The slit tube passes along axis 11, Fig. 1, to flattening rolls 40 and draw-off rolls 14 which maintain tension in the extruded product and flatten it into a strip. The rolls are driven through chains and sprockets by a motor (48), Fig. 3 (not shown), and are mounted on a pivoted arm 13 counterbalanced in a clockwise direction and whose position controls the motor (48) so as to maintain constant tension in the extruded product. In another embodiment, Fig. 6 (not shown), the extrusion mandrel is of fish-tail shape to facilitate opening up of the extruded product before it passes into the flattening'rolls 40. After leaving rolls 14, the strip passes over rollers 16 to a coiling device 18.
Patent GB-221576-A (GB)
Title: Improvements in or relating to carburettors for explosion engines
IPC: F02M1/00
Filed: 1923-06-15
Abstract: 221,576. Bernardini, G. B. June 15, 1923. Vaporizers, external.-A mixture of air and light or heavy fuel passes from the carburettor 11<1> to the engine through a removable thin-walled tube 11-eg. about 0.3 mm. thick-which is surrounded by an exhaust jacket having projections to impede the flow of exhaust. The tube 11 has two conical surfaces b and is fixed as shown in Fig. 4 by bolts c, stud-bolts d and nuts g. Part of the tube 11 may be of cross-like section. As shown in Fig. 1 a lever 15, having radiating teeth cooperating with teeth on its support 14, opens a valve to admit exhaust by a pipe 12 to the jacket and simultaneously rotates a cock 3, which changes the fuel supply to the carburettor 11<1> from light to heavy.
Patent GB-402456-A (GB)
Title: Improvements in gear driving train mountings particularly for electrically driven clocks
IPC: G04C15/00
Filed: 1932-06-02
Abstract: 402,456. Toothed gearing. DORER, P. O., 219, Dollis Hill Lane, and SMITH & SONS (MOTOR ACCESSORIES), Ltd., Cricklewood Works, both in Cricklewood, London. June 2, 1932, No. 15661. [Class 80 (i).] In a gear train mounting, one or more gear spindles 26, 32 is or are mounted in opensided bearing slots 29, 34 in a supporting base 15, and retained in position by the engagement of the gears. The spindle 14 drives the spindle 16 through worms and wormwheels on the spindles 26, 32. One end of each spindle 14 and 16 is carried in front plate 17 and the other ends in bearings 22 (with a brass bush) and 23 in base 15. A worm 35 on spindle 14 drives a wheel 36 on spindle 32 which has rigid with it a worm 31 driving a wheel 30 on spindle 26. The latter carries a worm 25 driving a wheel 24 which is mounted frictionally on spindle 16. Spindle 26 is mounted at one end in a closed bearing 27 (closed by pin 28) and at the other end in an open-sided slot 29. Both bearings 27 and 29 are in the base 15 and the shaft is held in position by the engagement of its wheel 30 and the worm 31 near the open-bearing end of spindle 26. Spindle 32 is mounted at one end in a closed bearing 33 and at the other end in an open-sided slot 34. Both bearings 33 and 34 are in the base 15 and the spindle is held in position by the engagement of its wheel 36 and the worm 35 near the open-bearing end of the spindle 32. The base 15 is a one-piece element, Fig. 5, and is preferably an alloy casting.
Patent GB-619492-A (GB)
Title: Process for producing paper and the products so produced
IPC: D21H17/50
Filed: 1945-06-20
Abstract: A urea-formaldehyde resin for giving high strength to paper has a solubility such that the whole of the resin remains in solution when one volume of a neutral 50 per cent (by weight) aqueous solution of resin is added to 100 volumes of water, and the whole of the resin is precipitated when one volume of said resin solution is added to 100 volumes of beater pulp at pH 4.5.  The resin may be precipitated on the unsheeted fibres by acidifying the beater furnish with alum, for example, which also accelerates the cure of the resin.  Curing may also be promoted by the addition of formaldehyde fixing agents such as urea, thiourea, melamine, guanidine, &c.  According to examples, the resin is made by reacting 1.8 or 2.38 mols. of formaldehyde with 1 mol. of urea and the product is neutralized to pH 7.  The resin solution has a viscosity less than 100 seconds at 100 DEG C.-preferably between 35 and 50 seconds-when measured by a pipette delivering 25 c.c. of water in 25 seconds at 25 DEG  C.  The Specification as open to inspection under Sect. 91 comprises also the use of resins made by reacting aldehydes such as acetaldehyde, propionaldehyde, butyraldehyde, benzaldehyde, furfural, paraformaldehyde and trioxane with amino compounds such as methyl urea, acetyl urea, cyanamide, dicyanodiamide, biuret, semicarbazide and aniline.  This subject-matter does not appear in the Specification as accepted.
Patent GB-598652-A (GB)
Title: Improvements in or relating to transparent adhesive tapes or sheets, and articles and signs including such adhesive tapes or sheets
IPC: C09J7/30
Filed: 1943-09-24
Abstract: A stretchable film may be prepared by casting a solution in alcohol of polyvinyl butyral resin and tricresyl phosphate on a temporary backing of smooth paper coated with an ethyl alcohol solution of polyvinyl acetate containing ground mica.  Adhesives consist of (a) urea-formaldehyde resin, blown castor oil, butyl alcohol and xylol; (b) a mixture of alkyd resin and urea-formaldehyde resin; (c) polyvinyl butyral resin applied as a solution in glycol monoethyl ether together with tricresyl phosphate; (d) a mixture of a castor oil-citric acid alkyd resin and polyvinyl butyral dissolved in tertiary butyl alcohol mixed with a hydrocarbon solvent; (e) .a mixture of a copolymer of butadiene and styrene with ester gum and methyl acetyl ricinoleate in heptane and ethyl alcohol.  The alkyd resin may be made by adding citric acid in small portions to heated castor oil, heating further, and cooling.  The butadiene and styrene may be polymerised in aqueous emulsion containing sodium perborate tetrahydrate, sodium lauryl sulphate, sodium cyanide, and acetaldehyde, and a phenolic antioxidant is added to the resulting dispersion before coagulating with ethyl alcohol.  Specification 598,651 is referred to.
Patent GB-554306-A (GB)
Title: Improved cartridge feeding mechanism for automatic guns
IPC: F41A9/04
Filed: 1942-12-07
Abstract: 554,306. Cartridge-feeding mechanism. ROE &CO., Ltd., A. V., and REDRUP, C. B. Dec. 7, 1942, No. 15721. [Class 92 (ii)] The endless chain b for feeding the cartridges a is propelled in part by a reciprocating member h actuated by the gun and in part by a motor k which operates when the gun trigger is pulled. As shown an electric motor k drives the sprocket e through reducing gear m ..... t, spindle u, and drum v within which one end of a spiral spring w is secured. The other end of the spring is engaged by a hook y secured to the sleeve z carrying the sprocket e. This connection permits the motor drive to be over-run by the gun actuation. The chain b is provided with rollers g at the pivots for running over the track f.
Patent GB-1061232-A (GB)
Title: Improvements in and relating to dynamo-electric machines
Inventor: FOHSE WERNER
IPC: H02K19/36
Filed: 1964-04-16
Abstract: 1,061,232. Dynamo - electric machines. LLOYD DYNAMOWERKE G.m.b.H. April 16, 1964, No. 15832/64. Heading H2A. A dynamo-electric, e.g. synchronous machine has mounted for common rotation a field winding, a rectifier 34 and an A.C. winding which supplies excitation current to the field winding through the rectifier, a resistor 35 having tapping points, contacts 14 ... 17 connected to the tapping points rectifier output and field winding ends, and brushes 37, 38; there is also provided a means for shifting while the machine is rotating the brushes relatively to the contacts whereby the winding ends are connected to the rectifier output either directly or through portions of the resistor. The windings are carried on respective rotors 30, 33, the resistor is subdivided into two halves (12, 13) Fig. 2, connected to respective contacts in the form of, segments 14, 15 carried on.a disc 36, and the means comprises an auxiliary motor whose squirrel-cage rotor 42 is carried on a hub 41 supporting the brushes 37, 38 and whose stator 43 is supplied with: a variable frequeney.
Patent GB-611017-A (GB)
Title: Improvements in or relating to control equipment for effecting stabilization of a platform on a moving craft such as an aircraft
IPC: G01C21/18
Filed: 1943-09-27
Abstract: 611,017. Automatic control of position. SMITH & SONS (ENGLAND), Ltd., S., (formerly SMITH & SONS (MOTOR ACCESSORIES), Ltd., S.), and MEREDITH, F. W. Sept. 27, 1943, No. 15837. [Class 38 (iv)] Relates to a system for the horizontal or other directional stabilization of a pivoted or gimballed platform spring-mounted in an aircraft or the like and making use of a device, such as a rate-of-turn device, responsive to rotation for detecting deviation of the platform from the datum position and appropriately energizing a reversible motor which actuates to return the platform to its datum position. According to the invention, and to avoid " hunting " as a result of the spring mounting, the rate-of-turn or like device is mounted on the platform, the spring mounting also carries the motor and the gearing connecting it to the' platform, the motor and platform are arranged to rotate in opposite directions relatively to each other and the masses are so selected that the moment of inertia of the platform balances (or is not greater than) the product of the moment of inertia of the motor and the gear ratio. Preferably, also rigid connections are employed between the gearing and motor and the gearing and platform. The rate-ofturn device may be of the kind described in Specification 611,005, [Group XXXVIII]. As shown in the Figure, a horizontal platform 11 is rigidly attached to the reduced-gear shaft 15 of a gear-box 13 secured to the frame of an aircraft by springs 14 and carrying the stabilising motor 12. Alternatively, the shaft 15 may be resiliently fixed to the frame and the platform rigidly attached to the gear-box. In a modified arrangement, the platform is mounted on gimbals and stabilized in two directions at right angles, as described in Specification 611,016.
Patent GB-885956-A (GB)
Title: Trialkyl 9(10)-phosphonostearates
IPC: C07F9/40
Filed: 1960-05-05
Abstract: Vinyl chloride polymers contain as a plasticizer a trialkyl 9(10)-phosphono-stearate of formula <FORM:0885956/IV (a)/1> where R and R1 are alkyl and x is 7 or 8.  (For preparation see Group IV(b)). Specified polymers are vinyl chloride/vinyl acetate copolymers, poly(vinyl chloride) and vinyl chloride/vinylidene chloride copolymers.ALSO:The invention comprises trialkyl 9(10)-phosphonostearates of formula <FORM:0885956/IV (b)/1> where R and R1 are alkyl and x is 7 or 8.  They are prepared by heating a dialkyl phosphonate (dialkyl hydrogen phosphite) of formula <FORM:0885956/IV (b)/2> with an alkyl oleate in the presence of a decomposing peroxy compound, particularly t-butyl perbenzoate, in an atmosphere of inert gas, e.g. nitrogen.  The reaction temperature is preferably at least about 100 DEG C. suitably 100 DEG C.-110 DEG C. The product is a mixture of the 9-and 10- derivatives.  The esters of the invention are plasticisers (see Group IV (a)).
Patent GB-119320-A (GB)
Title: Umbrella Notches and Ribs.
Inventor: ENGLAND FREDERICK
IPC: A45B25/06
Filed: 1917-11-01
Abstract: 119,320. England, F. Nov. 1, 1917. Joints.-Relates to the rib-and-notch and stretcher-and-runner joints. An annular recess is formed by a turned-down part of the sleeve 1. The flattened rib-ends 9 are passed into vertical slots 3 and are held therein by cross-pins 10 and a movable sleeve 5, Fig. 2, a flange 6 on which blocks up the mouth of the recess. The flange is slotted to allow for the ribs to fold close to the stick. The sleeve 5 may be held in position by a pin on the stick and may be removed by turning it until a groove coincides with the pin. In the construction shown in Fig. 5, the sleeve 1 is bulged at 11 and 12 and slotted at 13 to receive and hold the ends of the ribs, which are turned through a right-angle when they are required to be introduced or withdrawn, the pins 10 passing, in that position, through the slots 13 and the ribs through the short cross-slots. Fig. 7 shows a construction in which the sleeve 1 is bulged outwards at 2 and slots 3 are formed to receive the rib-ends, a cupped part 14 on a sleeve 5 embracing the lower end of the bulged part 2 to retain the rib-ends in position. According to the Provisional Specification, the retaining-sleeve may be slotted to correspond with the slots in the main sleeve and with cross-slots through which the pins on the rib-ends may be introduced when the sleeve is turned on the stick so that the slots coincide. Reference has been directed by the Comptroller to Specifications 3209/77, 4241/88, 16176/89, 10192/93, 8770/04, 24990/06, 18436/08, and 25213/09.