baber/WOPTO huggingface dataset:
Patent GB-785938-A (GB)
Title: Improvements in the production of polyvinyl compounds
IPC: C08F2/18
Filed: 1955-02-16
Abstract: In the aqueous suspension polymerization of monomeric vinyl compounds, e.g. styrene and methyl methacrylate, using 0.05 to 1.5 per cent (based on monomer) of insoluble pulverulent inorganic compounds such as barium sulphate and tricalcium phosphate, and monomersoluble catalysts, 0.0001 to 0.1 per cent (based on monomer) of a silicone oil is present.  The silicone oils are organopolysiloxanes and organohydroxysiloxanes of the formula MDxM, where M is a monofunctional chain member, e.g. (CH3)3Siconnected through an oxygen atom, D a difunctional chain member, e.g. -Si(CH3)2- connected through two oxygen atoms, and x is 50 to 500. Suitable catalysts are benzoyl, lauroyl and di-t-butyl peroxides, cumene hydroperoxides and azo-di-isobutyronitrile or mixtures. Polymerization may be carried out at 50-130 DEG  C at a pH between 5 and 9.  The granular product has a relatively uniform grain size.
Patent GB-515244-A (GB)
Title: Improvements in foot or corn pads
IPC: A61F13/06
Filed: 1939-02-13
Abstract: 515,244. Corn &c. pads. SCHOLL MANUFACTURING CO., Ltd. (Scholl, W. M.) Feb. 13, 1939, No. 4656. [Class 81 (ii)] Corn and like pads having one or more apertured underlayers 17,18, and an imperforate cover layer 10 secured together and to the foot by adhesive 12, are characterised in that the edge 11 of the cover layer 10 is formed with serrations or sinuous scollops, the points of which coincide with or are inset from the edge of the underlayer. , The layer 10 may be of cotton 15 proofed by a layer 16 of rubber, pyroxylin or the like, and the layers 17, 18, may be of felt and cotton respectively 'as shown, both of cotton, or may comprise a single thick layer of felt or of cotton fabric formed by two layers of loosely twisted weft strands held by thinner warp strands and a binder. The points of the serrations 11 may be depressed or sunk into the underlayer by local pressure.
Patent GB-384482-A (GB)
Title: Improvements in pressure indicators for air pressure pumps
IPC: B60S5/04
Filed: 1932-02-17
Abstract: 384,482. Pneumatic-tyre pressure gauges. LEO, H., 29, Talstrasse, Gera, Thuringia, Germany. Feb. 17, 1932, No. 4698. [Class 106 (ii).] A valve device has branches e, f, a, leading respectively to the pump, tyre, and gauge b and relief valve i, the branches e, a being controlled by valves g, h operated by a cam l actuated from outside the casing so as either to connect the passage from the pump or that to the gauge with the tyre. The gauge valve is also opened automatically by excessive pressure which is relieved by the valve i.
Patent GB-343733-A (GB)
Title: Improvements in or relating to electric alternating current generators
IPC: H02K3/16
Filed: 1930-02-12
Abstract: 343,733. Dynamo-electric machines. BRUSH ELECTRICAL ENGINEERING CO., Ltd. and SUTTON, C. C., Falcon Works, Loughborough, Leicestershire. Feb. 12, 1930, No. 4744. [Class 35.] Armatures and field magnets, cooling; dampers on cores of. -The rotor of an alternator is provided with a damping winding comprising bars or strips which are mechanically continuous from end to end of the rotor and are allocated to interslots. As shown in Fig. 1, a conductor 5 of the damping winding is located in the mouth of a cooling interslot 3 and is secured by a copper wedge 4. Holes 8, 9 are formed at intervals in the bar 5 and wedge 4 respectively to allow the cooling air to pass outwards. Connection of the ends is effected by. the usual end bell or the ends of the bars may be extended circumferentially in one or both directions so as to approach each other or to overlap so that they contact with each other independently of the end bell. In the form shown in Fig. 7, the strips 5b are formed with ends 11 extended circumferentially in both directions and bear on a metal sleeve 13. The strips 5b are in contact with shorter strips 12 in the same slots and the metal sleeve completes the squirrel cage when an end cap of non-conducting or badly conducting material is employed.
Patent GB-1535822-A (GB)
Title: Flame-resistant composition
IPC: C08K5/00
Filed: 1976-02-06
Abstract: 1535822 Flame-retarded compositions SHOWA DENKO KK 6 Feb 1976 [7 Feb 1975 5 March 1975] 04777/76 Heading C3K A flame-retardant composition comprises: (A) a ring-opened polymer of a norbornene compound containing a polar group, (B) a compound of the formula in which X is Cl or Br, X<SP>1</SP> is F, Cl, Br, alkyl or alkoxy, Y is =CX 2 , = SO 2 , or = CO, Z is a tetravalent cyclic hydrocarbon radical, m is an integer from 4-16, R is H, or at most one OH, or an alkyl or bromoalkyl radical, R<SP>1</SP> and R<SP>4</SP> are each H or alkyl, n is an integer from 3 to 6, (l+n) is an integer from 2 to 10 and (l + n + p + r) = 10. The composition may also contain a metal salt of a fatty acid, an auxiliary fire retardant such as Sb 2 O 3 , a fatty acid or a hydroxy fatty acid, and a dihydrochlorination inhibitor. The polymer (A) may be modified by blending with one or more of a resin, rubber, or graft polymer.
Patent GB-698563-A (GB)
Title: Improvements in or relating to heat exchangers
IPC: F28D13/00
Filed: 1951-02-28
Abstract: 698,563. Heat-exchangers. THERMAL RESEARCH & ENGINEERING CORPORATION. Feb. 28, 1951 [March 3, 1950], No. 4847/51. Drawings to Specification. Class 64 (i) [Also in Group XXVI] To increase the heat transfer between a gas or vapour and a wall at a different temperature, fine solid particles are suspended in the gas or vapour. The particles are predominantly of a size which is of the same order as the wave-lengths of radiation emitted by the wall or particles, and have high coefficients of absorptivity and emissivity. Carbon black particles of 1 to 5 microns, or graphite particles, may be suspended in an inert gas, e.g., argon, krypton, or the residue of air from which oxygen and nitrogen have been removed ; or particles of refractory oxides or silicates may be suspended in air. The gas or vapour may flow through a coiled tube in an oil-fired combustion chamber. The gas may be the working fluid of a gas turbine system (see Group XXVI).
Patent GB-803425-A (GB)
Title: Teething device for infants
Inventor: PAGE HILARY FISHER
IPC: A61J17/02
Filed: 1955-02-18
Abstract: 803,425. Teething devices. PAGE SENSIBLE TOYS, Ltd., H. Feb. 20, 1956 [Feb. 18, 1955], No. 4926/55. Class 81 (2). An infant's teething device comprises a corrugated plate of hard material, e.g. plastic or rubber, tapering from one end 10b to the other 10a, the end 10b being concave and formed with a hand-hole 11 and the end 10a convex. If desired, only the narrow end is corrugated. In a modification, the wider end is formed with inclined wings.
Patent GB-1386776-A (GB)
Title: Microtomes
IPC: G01N1/06
Filed: 1971-02-18
Abstract: 1386776 Microtomes NATIONAL RESEARCH DEVELOPMENT CORP 11 Feb 1972 [18 Feb 1971] 4938/71 Heading G2J A microtome blade 15 is supported by a member 20 which releasably engages the blade and extends beyond both ends thereof, first support means 28, and second support means 25 releasably supporting, respectively, the member 20 and the first support means, one being adapted to allow rotation about an axis parallel with the longitudinal axis of the member, the other allowing longitudinal motion of the member and blade. The member includes guards 21 which extend slightly beyond the blade and cooling fluid is passed through passages in the member via tubes 24.
Patent GB-931415-A (GB)
Title: Improvements in sanding blocks
Inventor: HIGHAM JOSEPH GOWAN
IPC: B24D15/02
Filed: 1961-02-10
Abstract: 931,415. Sanding blocks. CARBORUNDUM CO. Ltd. Feb. 8, 1962 [Feb. 10, 1961], No. 4991/61. Class 60. A hand sanding block comprises a housing 1 within which is supported a roll of abrasive cloth or paper, an openable flap 2 for the insertion of the roll, and a slot 3 through which the paper or cloth may be drawn over the outer surface of the block, the roll being optionally supported by a spindle 4. The free end of the abrasive material is gripped against a ridge 8.
Patent GB-563399-A (GB)
Title: Improvements in packaging machinery
IPC: B65B51/02
Filed: 1943-03-29
Abstract: 563,399. Packaging machinery. ROSE, A. G., KAY, J. A., and ROSE BROS. (GAINSBOROUGH), Ltd. March 29, 1943, No. 5007. [Class 94 (i)] In a packaging apparatus wherein outer end flaps of containers are sealed over inner end flaps, with means for preventing the gluing of those portions of the outer flaps which lie over the gaps between the edges of the inner flaps, which sealing is sufficient for containers in which the edges of the outer flaps abut, in order that an additional seal may be applied to containers wherein the outer flaps overlap, either wholly or partially, there are provided auxiliary glue roller assemblies 14, 16 to apply a continuous line of glue to the inside of each of the outermost of the outer flaps. These auxiliary assemblies are adjustably mounted and the adjustment is derived from and takes place simultaneously with the adjustment of other parts of the apparatus to accommodate various size containers. When once the main adjustment has been made to accommodate a particular sized container no separate adjustment of the auxiliary assemblies is necessary and it is immaterial whether containers having the outer end flaps abutting or overlapping are passed through the machine, the adjusting means ensuring that when containers having abutting end flaps are being dealt with the auxiliary gluing rollers are j ust clear of the flaps. The main gluing device may be that described in Specification 563,398 and the general type of apparatus is that described in Specification 547,002, wherein the containers are passed into the machine with the inner flaps folded inwards horizontally and with the outer flaps folded outwards horizontally.
Patent GB-511296-A (GB)
Title: Improvements in travelling toys
IPC: A63H17/36
Filed: 1938-02-18
Abstract: 511,296. Travelling toys; flexible shafts. MULLER, H. Feb. 18, 1938, No. 5203. [Class 132 (iii)] [Also in Group XXIV] A travelling toy is driven by driving mechanism mounted therein and is manually steered from a distance by a flexible or hinged rotatable shaft. In the construction shown in Figs. 1 and 2, the toy 1 is driven by the spring mechanism 2 driving the rear wheels, the front wheels being out of contact with the travelling surface and steering being effected through the wheel 7, axle 6, gearing 8, 9, 10 and shaft 11 connected to the helical springs, flexible metal wire or rubber cord shaft 13 and handle 14. The gear 8 is provided with a cut-away part in which is positioned an adjustable stop 5<1> limiting movement of gear 8 and steering wheel 7 and is provided with a direction indicator 15. The steering handle 14 can be replaced by a wheel 14, Fig. 4, transmitting movement through gearing in the housing 19 to a spindle 20 which is connected directly to the flexible shaft 13 or through a flexible coupling 18 which may be a piece of tube, the gearing being such that the steering wheel 7 rotates in the same direction as the hand steering wheel 14. The flexible shaft 13 may be connected to the shaft 11 or axle 6 by a coupling socket 18, Fig. 7, and extension of the helical spring shaft 13 can be limited by a cord 17 connecting the ends of the spring shaft. The distance between the turns of the helical spring shaft is made less than the diameter of the wire from which the shaft is wound to prevent the turns catching in one another, and the outer diameter of the turns is approximately four times the diameter of the wire. In 'the construction shown in Fig. 12 a thin steering wire 13<1> is fixed to the shaft 11 by the coupling socket 18 inside the toy. In the construction shown in Fig. 10 the flexible shaft 13 is replaced by members 16 connected by hinged or elastic coupling sleeves, for example a piece of rubber tubing 21 and a length of helical spring 22. In the construction shown in Fig. 11 steering is effected 'through the front wheels 23 mounted on axles 24 connected by a cross-member 25 having a toothed segment engaging with the gear 9 of the transmission previously described. The point of connection of the shaft 13 with the toy 1 is so arranged that when lifted from the travelling surface the toy remains horizontal.
Patent GB-348223-A (GB)
Title: Improvements in or relating to circular knitting machines, and to articles or fabricproduced thereon
IPC: D04B35/00
Filed: 1930-02-17
Abstract: 348,223. Stockings and socks. SPIERS, Ltd., W., Walnut Street, Leicester, and KENT, A. W., Swithland, Leicester Road, Groby, near Leicester. Feb. 17, 1930, No. 5229. Drawings to Specification. [Class 141.] A hose, half-hose, or like article has a ribbed instep and a plain foot bottom formed from separate yarns and interlocked at their meeting edges.
Patent GB-216210-A (GB)
Title: Improvements in rail bonds for electric railways
IPC: B60M5/00
Filed: 1923-02-23
Abstract: 216,210. British Insulated & Helsby Cables, Ltd., and Bullock, S. C. Feb. 23, 1923. Rail bonds.-A rail bond adapted for welding to the side of a rail comprises socket blocks 3, which may be cut away so as to form a jutter 6 adjacent to the rail, and into which the ends of a conductor 1, such as stranded cable are fixed by means of thimbles 2 tightly fitting the conductor and slightly tapered holes in the blocks. The ends of the conductors and of the thimbles lie preferably below the surface of the block forming a space 4 to receive metal.
Patent GB-566793-A (GB)
Title: An improved method of manufacture of tiles
IPC: E04D1/08
Filed: 1943-04-02
Abstract: 566,793. Tiles. HILL, E. B., and POTTER, D. M. April 2, 1943, No. 5278. [Class 87 (i)] [Also in Group V] A roofing &c. tile is formed by an injection moulding process of thermoplastic material b, such as cellulose acetate, cellulose aceto-butyrate, or polystyrene, having a non-corrosive metallic core a, e.g. of zinc or aluminium embedded therein ; locating keys or ridges b<1> may be provided.
Patent GB-294857-A (GB)
Title: Improvements in projectiles for machine and like guns
IPC: F42B30/02
Filed: 1928-02-20
Abstract: 294,857. Steinmann. H. Feb. 20, 1928. Projectiles.-A projectile or bullet intended for use particularly against aircraft consists of a smooth solid rod of hard metal, preferably cylindrical, of slightly smaller diameter than that of the bore of the gun, of ordinary type, from which it is fired, and of a length double, or more, than double, that of the projectiles usually used in such guns. The projectile is intended to topple in its trajectory, instead of remaining tangential thereto, so as to be effective over a wide area when it strikes a target broadside on. With a gun of 8 mm. calibre, the projectile may be 8 to 10 cms. long, but it is stated that longer projectiles may be used, for example up to 15 cms.
Patent GB-731197-A (GB)
Title: Improvements in or relating to structural connections, and method of establishing same
IPC: E04G7/02
Filed: 1953-02-25
Abstract: 731,197. Garden rakes; fencing. ALUMINIUM AKT.-GES. MENZIKEN. Feb. 25, 1953 [Feb. 26, 1952], No. 5310/53. Classes 6 (2) and 45. [Also in Groups IX, X, XIV and XXII] A means for mounting fencing members or rake-tines 2 at right-angles to a tubular member 1 comprises the provision of apertures 3 in one wall 5 of .the member 1, the members 2 being passed therethrough and their ends pressed into contact with an opposing wall 4, and the whole assembly being retained in position by a rod 6 which passes through holes in all the members 2 and abuts the wall 5 of the member 1. The ends of the rod 6 are riveted over at 14 to increase the rigidity of the structure. The member 1 may be of various crosssections including U- shape or double-T.
Patent GB-123992-A (GB)
Title: Improvements in or relating to the Production of Porous Building and Insulating Bodies of "Moler" (Kieselguhr, Diatomaceous Earth) and the like.
Inventor: FRYDENLUND IVAR NIELS SIGFRED
IPC: C04B38/06
Filed: 1919-03-04
Abstract: 123,992. Frydenlund, I. N. S. March 5, 1918, [Convention date]. Porous compositions, &c.-Baked porous building and heat insulating and sound-deadening bodies are made from a mixture of kieselguhr and the pith of helianthus annuus, which is burnt out during the baking process. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of pith of other plants. This subject-matter does not appear in the Specification as accepted.
Patent GB-1028940-A (GB)
Title: Regeneration of reduced osmium tetroxide
IPC: C01G55/00
Filed: 1963-02-11
Abstract: Reduced osmium tetroxide is regenerated or the catalytic activity of osmium tetroxide is maintained by treatment with oxygen while in an alkaline medium.  The treatment may be carried out in the presence of an olefine which is simultaneously oxidized to a vicinal glycol, or of an olefine, glycol, ketone, or alcohol which is oxidized to a carboxylic acid.ALSO:Olefines are oxidized to vacinal glycols, or glycols, ketones and alcohols are oxidized to carboxylic acids in the presence of osmium tetroxide, which is regenerated in situ by oxygen in the presence of an alkaline medium.  In examples, ethylene is oxidized to ethylene glycol and octene-1 to heptanoic acid.  The osmium tetroxide may be used as the oxidizing agent per se or in conjunction with other oxidizing agents including peroxides, strong acids, perchlorates and permanganates.
Patent GB-433557-A (GB)
Title: Pump for gaseous fluids
IPC: F25B31/00
Filed: 1934-02-19
Abstract: 433,557. Controlling gas compressors. BARBARESCHI, C., 17, Via Brighenti, Milan, Italy. Feb. 19, 1934, No. 5412. [Class 8 (i)] [See also Group XXXIV] A compressor discharges into an auxiliary cylinder containing piston valves 26, 30 and through a passage 29 to the space between these pistons. Rise of pressure lifts the upper piston 30 and opens a byepass 32 to the low-pressure side. The piston 30 is surmounted by a bellows enclosing a spring and open to atmosphere, and the space around this bellows communicates by a port with the inter-piston space. During stoppages, the lower piston is depressed by a spring 27, closing the discharge passage 29 and opening a second byepass 28 so that pressure is relieved at starting. The compressor comprises a cylinder 9 oscillating on trunnions 10, one of which is pressed by a spring 15 to ensure a fluid - tight joint between the cylinder 9 and casing 1. The motion throws oil up into a trough 20 whence a disc 19 rotating on the crankshaft throws it up, part falling into a channel 21 and being delivered to the bearings.
Patent GB-316175-A (GB)
Title: Improvements in or relating to glow discharge devices
IPC: H01J61/54
Filed: 1929-02-18
Abstract: 316,175. Westinghouse Lamp Co., (Assignees of Sinden, R. H.). July 24, 1928, [Convention date]. Vacuum tubes.-A glow-discharge device, for use as a sensitive relay, and in which the discharge occurs between cold electrodes in a gaseous filling, is provided with means for producing ultra-violet radiation within the envelope in a position such that it falls directly upon the anode, thus facilitating the establishment of a glow discharge between the anode-and the, relatively large cathode. In the construction shown, a main anode 3 is arranged within a large cylindrical cathode 2 and an auxiliary anode 4 is associated with a projection 9 from the cathode, forming a small gap across which the impressed voltage can readily produce a glow discharge. The gap is so placed that ultra-violet rays from the discharge fall directly upon the main anode 3 without any shielding, and by ionizing the gas around the anode or by causing electron emission from it start the main discharge between it and the cathode. The current of the main discharge may operate a relay 13, Fig. 1. The current in the auxiliary discharge may be kept very low by a resistance 15 and may be controlled by a thermostat 16. To reduce the starting and operating potentials an alkali or alkaline-earth metal or misch metal may be vaporized on to the cathode. The control anode 4 may have a head of 20 of thorium, titanium, uranium, &c., to reduce the starting potential still more, and the head 21 of the main anode 3 may be of iron, nickel, or misch metal. A filling of argon at a pressure of from 5 to 8 mm. may be used.
Patent GB-1070666-A (GB)
Title: Improvements in or relating to rotary high vacuum pumps
Inventor: MALPAS EDWARD WILLIAM
IPC: F04C27/02
Filed: 1965-02-08
Abstract: <PICT:1070666/C4-C5/1> In a method for continuously removing contaminants from the pump oil of an oil-sealed rotary vacuum pump, the oil is distributed over a packed column of elements, a pressure sufficiently low to enhance distillation or desorption of the contaminants is maintained in the region of the column and the oil is caused to flow in the form of a film down and over the column of elements to facilitate diffusion of contaminants and evaporation from the surface of the oil. The oil may be heated before passage down the column and the elements may comprise Raschig rings or knitmesh packing.  In a preferred embodiment the oil heated by heater 7 is sprayed into the column 6 from orifice plate 5 and returned to the rotary pump chamber by pump 4; the required low pressure being produced by water jet ejector 3.
Patent GB-800254-A (GB)
Title: Improvements relating to friction clutches for motor cycles and the like
Inventor: PARDOE EDWARD OLIVER
IPC: F16D13/52
Filed: 1956-02-22
Abstract: 800,254. Friction clutches. ENFIELD CYCLE CO., Ltd. Feb. 11, 1957 [Feb. 22, 1956], No. 5439/56. Class 80 (2). A friction clutch for a motor cycle wherein axially engaging friction discs are disengaged by an arm with balls engaging cavities in the arm and in a fixed member such that, on rotation of the arm, the balls ride out of the cavities to displace the arm and free the clutch. A driven shaft a having a boss d carries a two-part housing b<SP>1</SP>, b<SP>2</SP> with spacing bolts c slidably carrying a presser plate e which engages a driving sprocket f through the friction plates f <SP>1</SP> by virtue of the spring e<SP>1</SP>.A pin g, co-operating with the plate e, through a thrust race g<SP>1</SP>,freely carries a lever h, engaged with a thrust race g<SP>2</SP> on the outer face of the housing part b<SP>2</SP>,the lever hhaving four conical cavities h<SP>1</SP>for engagement with balls coacting with a lever i, with similar cavities secured to the end of the pin g. Relative movement between the members h and i causes the balls to ride out of the cavities and displace the pin g disengaging the clutch. Lever h may be fixed or operate freely with lever i in a scissor-like action under the control of a Bowden cable. Rollers or the like may be used in place of the balls.
Patent GB-564756-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/18
Filed: 1943-04-06
Abstract: 564,756. Centrifugal separators. STEVENS, A.. H. (Sharples Corporation). April 6, 1943, No. 5500. [Class 23] In a separator wherein sludge is periodically ejected and the normal liquid supply may be shut off during any time, an auxiliary liquid is fed to the rotor to maintain it full to a predetermined level, to prevent the emptying of the rotor and consequent vibration. Fig. 1 shows a separator with a rotor 10, and a feed tube 22 which supplies liquid to channels 13 to the discs 14. Heavy material passes to zones 15 where solids are periodically discharged by actuation of valves 16 powered by hydraulic motors 17. Heavy liquid is discharged over the ring dam 21, and alight liquid over the extension 19. The above separator is described in Specification 543,508. In Fig. 2, the normal supply of liquid to the tube 22 is by way of pipes 23, check valve 25 and manually-operated valves 24, 26, and this supply maintains a pressure switch 28 open and a solenoid-controlled valve 31 closed. When flow in the pipe 23 fails, and the pressure drops, the switch 28 closes and.the valve 31 opens to admit liquid from a pipe 34 to the tube 22, the check valve 25 preventing the auxiliary liquid from passing this point. The operator is warned by a signal 33 and can then shut off the separator. A valve 36 may be opened by hand when the pressure on a gauge 37 drops.