baber/WOPTO huggingface dataset:
Patent GB-459567-A (GB)
Title: Improvements in or relating to vacuum cleaning installations
IPC: A47L9/24
Filed: 1935-12-04
Abstract: 459,567. Vacuum cleaning systems. BARRON, A. H., 73, Torrington Road, Ruislip, Middlesex, and BOOTH, R. N., and WILLMOTT, C. S., 155, Great Portland Street, London. Dec. 4, 1935, No. 33598. [Class 8 (i)] In a system wherein permanent vacuum pipe lines in a building are provided with hose connection points, the connection of a hose at any point is caused to start the suction producing motor. The connection point or socket may be as described in Specification 449,815 ; in this case the shifting of the flap valve by the connecting of the hose is caused to close a circuit actuating a solenoid 14 to lift a plunger 14<1> and operate a tilting mercury switch 17 of the motor driving the suction means. When the motor current is alternating, the solenoid current may be derived from it by a transformer T ; if the current is direct, a battery may be used for the solenoid. The pipe line may in either case be used as a return circuit. The mercury switch may be replaced by a relay actuating a switch. Provision against transformer breakdown includes a fuse and the earthing of the core.
Patent GB-341163-A (GB)
Title: Improvements in and relating to playing balls having liquid or plastic centres, particularly golf balls
IPC: B29D99/00
Filed: 1929-11-05
Abstract: 341,163. Golf balls. DUNLOP RUBBER CO., Ltd., 32,Osnaburgh Street, London, BALL, S. G. and ALLEN, E. W., Fort Dunlop, Erdington, Birmingham. Nov. 5, 1929, No. 33603. [Class 132 (ii).] The central core of a golf or like ball comprises a solution of calcium chloride in water with or without the addition of glycerine, dyes and other substances. Protective colloids such as gelatine, gum acacia, gum tragacanth, Iceland moss, carrageen, algin or agar agar, may be added in small proportions to stabilize the solution. The solution has a specific gravity of about 1.4.
Patent GB-503350-A (GB)
Title: Improvements in or relating to screens
IPC: A47G5/00
Filed: 1937-12-06
Abstract: 503,350. Screens. RAND, E. J., and WHITFIELDS BEDSTEADS, Ltd. Dec. 6, 1937, No. 33701. [Class 52 (iv)] A curtain for a screen panel is mounted on an upper rigid rod 2 and a lower flexible rod 3, preferably a coiled wire tension spring. A plurality of hooks 6 may be provided for the .lower rod to allow for shrinkage of the curtain.
Patent GB-796269-A (GB)
Title: Turbines having devices for distributing cleaning agents for the blade channels
IPC: F01D25/00
Filed: 1956-11-05
Abstract: 796,269. Gas turbine plant. SULZERFRERES SOC. ANON. Nov. 5, 1956 [Nov. 10, 1955], No. 33771/56. Class 110 (3). A turbine comprising an annular nozzle header having nozzles through which a cleansing agent may be directed into the turbine blade channels has the header mounted coaxially with the turbine axis and spaced from the inlet end of the stator blade carrier by an annular gap through which cooling air can pass. Working medium from the intake 1 passes through the passage 2 to the blade channels 3 of a turbine comprising a stator blade carrier 4, a rotor 5 and first stator blade ring 6. An annular nozzle header 8 is secured to the end face 7 of the stator blade carrier 4 by means of brackets 9 and bolts 10 which pass through radial slots 22 to permit radial expansions and contractions. A gap 12 between the stator blade carrier 4 and header 8 allows the passage of cooling air to the annular gap 13. The inner circumferential surface 14 of the header 8 forms part of the inlet passage 2. Nozzles 15 are provided to direct the cleansing fluid towards the first blade-ring 6. In a modification, the single row of nozzles 15 is replaced by a number of nozzle rows directed at different angles to the turbine axis. In a further modification, Fig. 3 (not shown), the nozzle header 8 is arranged outside of the wall of the passage 2. In another modification in which the nozzle header is arranged outside the passage, the nozzles 15 are formed by tubes and the supporting brackets are made resilient to permit radial expansion and contraction. The header 8 may consist of a single annular member or be composed of a number of segmental members.
Patent GB-1438652-A (GB)
Title: Hydroxyl phenyl-substituted ketones and their preparation
IPC: C07C45/67
Filed: 1972-07-19
Abstract: 1438652 Hydroxyphenyl-ethyl alkyl ketones SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 17 July 1973 [19 July 1972 15 Sept 1972] 33811/72 Heading C2C Compounds of Formula I (in which R is alkyl) are prepared by hydrolysing a compound of Formula II (in which R<SP>11</SP> is alkyl), the compound of Formula II having been prepared by either (i) reacting 4-hydroxybenzyl alcohol with a compound of formula RCOCH 2 COOR<SP>11</SP> in the presence of a base, or (ii) reacting phenol with a compound of Formula IV in the presence of an acid. In the case of reaction (i), the compound of formula may first be reacted with a strong base and the resulting enolate salt be reacted with the 4- hydroxybenzyl alcohol. 4-Hydroxybenzyl alcohol is prepared by reacting phenol with formaldehyde in the presence of a base and subjecting the reaction mixture to extraction with a mixture of benzene and light petroleum to remove unreacted phenol and unwanted 2-hydroxybenzyl alcohol. Compounds of Formula IV are prepared by reacting a compound of formula with aqueous formaldehyde. Compounds of Formula I are useful as flavourants.
Patent GB-1113732-A (GB)
Title: Arc-suppressing circuit for switching devices in alternating current circuit
IPC: H01H9/54
Filed: 1966-07-28
Abstract: 1,113,732. Arcing preventing in switches. MATSUSHITA DENKO KABUSHIKI KAISHA and T. WATANABE. 28 July, 1966 [30 July, 1965; 18 Aug., 1965], No. 33972/66. Heading H1N. An arc suppressing arrangement for use with a pair of contacts (SW) used to interrupt an alternating current comprises a two-terminal multi-layer semi-conductor device (SSS) across the contacts (Fig. 3, not shown). The device (SSS) is a five-layer diode, and a series combination of a capacitor (C) and resistor (R) is inserted in parallel with the switch (SW) and load (L) to protect the diode against voltage surges (Fig. 4, not shown), or is alternatively in parallel with the diode (SSS), (Fig. 5, not shown). An inductor (L<SP>1</SP>) may be connected in series with the device (SSS), (Figs. 6, 7, not shown), to restrict the current therethrough. The secondary winding (L2) of a transformer (T) is connected in series with the device (SSS), the primary winding (L1) being in series with a capacitor (C1) and the combination being connected across the switch contacts. A voltage surge-limiting capacitor (C2) is optionally provided (Figs. 8-15, not shown).
Patent GB-645420-A (GB)
Title: Improvements in and relating to hydraulic power transmission systems
IPC: F16H39/14
Filed: 1946-11-25
Abstract: 645,420. Swashplate pumps. VICKERS, Inc., and SHIELDS, R. Nov. 25, 1946. No. 34119/47. Divided out of 34830/46. [Class 102(i)] [Also in Group XXIX] The casing 14, 16 of a hydraulic power transmission, (see also Group XXIX), is divided by a plate valve 18, Fig. 1, into two compartments, the former housing a reversible, variable-displacement swashplate pump. The pump shaft 20, which is journalled in the casing part 16 and the plate valve 18, has a partly-spherical splined portion 52 in loose engagement with a rotatable cylinder barrel 34. The latter incorporates a number of axial cylinders 36 that. contain pistons 38, the outer ends of which abut a swashplate 44. The swashplate is carried in two trunnions one of them being fixed to the swashplate and arranged to be manually adjustable. Outwardly of the splined portion 52 the shaft 20 is flanged at 56 to support the cylinder barrel 34 and so enable its own centre of rotation to be found on the valve plate and to permit it to follow any slight lateral movement of the shaft due to loading or misalignment and so prevent leakage between these parts. Springs 64 located in chambers. formed in the cylinder barrel axially urge the latter into Firm, contact with the valve plate. The valve plate embodies two arcuate ports which cooperate with ports 72- in each cylinder 36 and communicate. with vertical passages 74, Fig, 7, in the plate valve. The passages 74 are controlled by a ball valve 76 located in stepped bores 78 which communicate through cross-bores 80 in the plate valve with the passages 74 and blind-bores 84 in the casing part 16. The cross-bores 80 are diagonally arranged and place the spring chambers into communication with the two casing compartments. Relief valves 82 ' are positioned at the inner end of the blind-bores 84, the outer ends of which lead through cross-connections 86 to the opposite vertical passage 74. A plunger pump 88, Fig. 1, which is provided for replenishing purposes, comprises a bore 90 that has a ball discharge valve 96 located at the bottom, whilst above this valve is a spring-loaded piston 97, operated by an eccentric 102 on the pump shaft 20. An inlet port 104 opens into the bore 90, whilst liquid passing the valve 96 enters an accumulator. In a modification, Fig. 8, the cylinder barrel 134 in the pump housing 116 is directly supported at its outer extremity by the splined portion 150. The position of the latter is such that the tipping couples acting on the cylinder barrel 134, due to side thrust transmitted to the upper pistons by the swashplate, are counterbalanced by the side thrust on the lower pistons, so that any misalignment of the shaft does not break the intimate contact of the cylinder barrel and valve plate and give rise to leakage.
Patent GB-1061976-A (GB)
Title: Improvements in or relating to the manufacture of moulded articles from synthetic thermoplastic materials
IPC: B29C43/00
Filed: 1963-08-28
Abstract: 1,061,976. Cold compression moulding. DYNAMIT NOBEL A.G. Aug. 28, 1963 [Aug. 31, 1962], No. 34131/63. Heading B5A. Articles, e.g. cartridge cases, spur gears &c., are compression moulded from a cold compression moulded blank of thermoplastic material, e.g. polyethylene, at a temperature below its crystalline melting point, the flow of material during the moulding causing molecular orientation and consequently enhanced strength, of the material in certain regions. In one embodiment (see Figs. 1a-1c, not shown), the blank (20a) is moulded between a lower ram, an upper ram, and a die, to form a cartridge case having walls of enhanced strength, the cartridge case being ejected by further downward movement of the upper ram. In an alternative embodiment, Figs. 3a-3e, not shown, a spur gear is moulded from a blank in a suitably shaped die between upper and lower movable punches, the faces of which are so shaped as to cause material to flow from the body of the blank into the teeth forming regions of the die thus forming a spur gear having teeth of enhanced strength.
Patent GB-799794-A (GB)
Title: Improvements in or relating to gramophone turntables
IPC: G11B3/60
Filed: 1955-11-29
Abstract: 799,794. Transformers. CARDEN, Sir J. C. Nov. 9, 1956 [Nov. 29, 1955], No. 34170/55. Class 38 (2). [Also in Group XXXVIII] Electric leads 12, 13 supplying motors 3 mounted on a gramophone turntable 1 (see Group XXXVIII) are coupled by a transformer having a fixed primary 10 wound round the top of a pillar 2 and surrounded, with a small air gap to permit free rotation, by a secondary, 11 mounted on the turntable ; to ensure a 1 : 1 voltage ratio in spite of the air gap, the winding 11 may have more turns than the winding 10.
Patent GB-860742-A (GB)
Title: Improvements in or relating to electric hotplate appliances
IPC: F24C15/10
Filed: 1959-10-08
Abstract: 860,742. Electric hotplates. 'RADIATION Ltd. Oct. 8, 1959 [April 16, 1959], No. 34176/59. Class 39 (3). An electric hotplate 1, Fig. 2 is held in its support 7 by resilient means e.g. the spring 15 which co-operates with a member 10 secured to the hotplate, the arrangement being such that the hotplate can be assembled to and detached from the support from above. As shown the spring is horizontally mounted and comprises two parallel arms, 14, 15, Fig. 4 whose free ends project into two slots 18, 19 in a guide plate, the slots being formed at their upper ends to constitute catches 18c, 19c for the spring in the unlocked position. The member 10 has a downwardly tapering position 10d which serves, when the hotplate is assembled in position and the member 10 is moved downwardly to force the spring arms 14, 15 out of their catches 18c, 19c., further downward movement resulting in the traverse of the arms down the guide slot until the spring arms abut against a collar 10b on the member 10 thereby holdthe hotplate down in its assembled position.
Patent GB-1036848-A (GB)
Title: A process for the production of paper
IPC: C08B31/00
Filed: 1963-08-29
Abstract: Paper is made from an aqueous suspension of paper pulp to which are added (1) a cationic water-soluble or water-dispersible organic polymer and (2) a water-solubilized polymer or copolymer of an alpha, beta-ethylenically unsaturated aldehyde.  This polymer has an intrinsic viscosity of at least 0.3 dl/g and is formed by addition polymerization at the ethylenic group of the aldehyde.  It may be a polymer of aerolein, methacrolein or their substitution derivatives, or a copolymer of such a monomer with another ethylenic monomer.  It may be solubilized by reaction with sulphur dioxide, alkali metal bisulphite, ammonium sulphite or bisulphite or sodium hydroxide.  A soluble copolymer of acrolein and sodium styrene-sulphonate can also be used.  The cationic polymer may be a cationic starch, e.g. the reaction product of starch and an epoxy-compound containing a quaternary ammonium group or the corresponding chlorohydrix, a polymer or copolymer of such an epoxy compound, an addition polymer of an ethylenically unsaturated monomer possessing a quaternary ammonium group, e.g. a polymer of an alkyl-ammonium salt or of: <FORM:1036848/D1-D2/1> where X is a water-soluble anion, or a condensation polymer, e.g. a polyester, polyamide or polyacrethane containing quaternary ammonium groups.  The Specification includes lists of such materials.  The pulp may also contain emulsifying agents, water-dispersible binding colloids, plasicizers, antioxidants, dyes, filters or alum.  The product has good wet and dry strengths, dimensioned stability and fold endurance and may be used for facial tissue, hand towels, maps, filing cards, construction or wrapping paper containers.
Patent GB-1027126-A (GB)
Title: Improvements in dynamo-electric machines
IPC: H02K3/22
Filed: 1964-08-23
Abstract: 1,027,126. Cooling dynamo-electric machines. BROWN, BOVERI & CO. Ltd. Aug. 21, 1964 [Aug. 23, 1963], No. 34239/64. Heading H2A. In a dynamo - electric machine having a directly cooled stator winding 5 and cooling liquid tubes inserted in axially disposed holes in the stator core 3, each tube consists of a liquid conducting completely tube-shaped cylindrical inner part 2 surrounded by a slotted cylindrical outer part 1 of smaller bore than the outer diameter than the part 2 so that on insertion of the inner part 2 into an outer part 1 already disposed in a core hole the outer part is forced apart and pressed firmly against the hole wall in order to improve thermal conductivity. A layer of electrical insulation 4 may be provided between the wall and the outer part 1.
Patent GB-301655-A (GB)
Title: The manufacture and production of valuable products from sorbitol
Filed: 1927-12-19
Abstract: 301,655. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Dec. 19, 1927. Emulsions, making.-Products suitable for use as assistants in the preparation or application of wetting or emulsifying agents are obtained by dehydrating sorbitol or a, mixture of sorbitol with other polyhydric alcohols.
Patent GB-819444-A (GB)
Title: Improvements in and relating to an arrangement for photo-electric microscope
IPC: G02B21/24
Filed: 1957-11-05
Abstract: 819,444. Photo-electric microscope. SOC. GENEVOISE D'INSTRUMENTS DE PHYSIQUE. Nov. 5, 1957 [Nov. 7, 1956]. No. 34443/57. Class 40 (3). [Also in Group XX] In a photo-electric microscope in which a scale 21 is scanned by a beam of light from a source 10, part of the reflected light is deflected by a prism 22 adjacent the objective 19 on to an interference filter 24 which transmits light of suitable wavelengths to an eyepiece 28 and reflects light of other wavelengths to a photo-cell 25. The light beam is oscillated by an electromagnetically vibrated sheet of glass 16. Specification 684,435 is referred to.
Patent GB-1524041-A (GB)
Title: Method and apparatus for inspecting liquids in transparent containers
IPC: G01N21/90
Filed: 1975-08-19
Abstract: 1524041 Inspecting a liquid-filled container for particles SCHERICO Ltd 19 Aug 1975 [12 Sept 1974] 34503/75 Heading G1A A system for this comprises a means of illumination, means of rotating and abruptly stopping the container, 50, means, 33, for imaging it, a plurality of detectors 34 producing voltage signals corresponding to the incident light, means for translating changes in the response of the detector into voltage signals, means combining these signals and means for comparing the composite signal with a reference signal. The means for translating are differentiators. Cables 2 and 4 consist of fibre optic bundles 8 in protective shields 6 transmitting light from source 10 to ends behind baffles 12 and 14. Fibre optic intensity sampler 13, photo-cell 15 and circuit 11 keep the intensity of source 10 constant. Shaft 18 and turn-table 16 are raised by lever 24 until micro-switch 54 activates motor 20 to rotate below the speed at which solution 52 cavitates, bubbles and entraps air. Fibre optic bundles 31 feeding photo-cells 34 are at 27 degrees to the horizontal. Fig. 5 shows areas into which the photo-cells may be grouped, A, B, C, D, being the successive meniscus positions on cessation of rotation. Block I is monitored immediately, Block II as soon as the centre of the meniscus reaches 'B' and blocks III and IV as soon as the difference of their rate of change signals caused by the meniscus movement is negligible.
Patent GB-310298-A (GB)
Title: Improvements in or relating to spindles or holders for paper or other cones or tubesfor machinery for winding yarn, thread, cord, twine and the like
IPC: B65H75/24
Filed: 1927-12-21
Abstract: 310,298. Kershaw, G. Dec. 21, 1927. Winding-machines.-Paper or like cones or tubes are secured upon the spindles of yarn winding machines by means of flexible metal plates a, Figs. 1 and 3, formed with teeth a<2> and adapted to be extended or contracted diametrically to hold or to release the cone or tube. The plate a, Fig. 1, is normally dished and is pressed between members n, j, Fig. 9, to extend teeth a<2> in securing the cone c. The plate a, Fig. 3, is normally flat, is formed with unequal teeth a<3>, a<4>, and is placed between members g, b<1>, Fig. 7. When removing the cone c the spindle d is turned about the pivot e out of the winding position shown in Fig. 7, and the sleeve g is pressed by the cam-member f<1> along the collar b<3> thereby contracting the teeth a<3>, a' and permitting removal of the cone c. In a modification for cylindrical tubes, Fig. 11, two plates a of the form shown in Fig. 3 are secured between members u, v; u', y respectively, the spindle d being formed with lubricating grooves r, s, t. In a further modification, two plates a, Fig. 13, of the form shown in Fig. 1, are secured by nuts 4 against collars 2. An alternative form of plate a is formed with arms a<2> Fig. 6, having unequal projections a<3>, a'. Any desired number of arms may be provided while the arms may be of equal or unequal lengths and may diverge by the same or different amounts from the surface of reference.
Patent GB-445497-A (GB)
Title: Improvements relating to route indicators for motor vehicles
IPC: G09B29/06
Filed: 1934-12-01
Abstract: 445,497. Changing signs. DICK, D., Dunard, Braidwood, Lanarkshire. Dec. I, 1934, No. 34575. [Class 3 (i)] In route indicators comprising flexible strips bearing information and extending between rollers, at least one of the rollers is constituted of two or more coaxial rollers 2, 3, 4 operated selectively by an exterior handle 16 and means located within the rollers consisting of a slidable carrier 7 in which is mounted a dog 6 normally pressed outward by a pair of springs 9. Each roller 2, 3, 4 is provided on its inner face with a notch 2a, 3a, 4a, into any one of which the dog can be made to enter through an elongated slot 8 in a tube 5 on which each of the rollers 2, 3, 4 is mounted. The carrier 7 is shifted longitudinally by a rod 26 provided at its outer end with a grooved collar embraced by a fork 25 carried by an arm 24 rockable by a lever 20. The drive between the handle 16 and the tube 5 includes worm gearing 19 on a shaft 17. The rollers 10, 11, 12, on and off which the display bands from the rollers 2, 3, 4 wind are spring-retracted to maintain. the band taut, and spring-pressed shoes bearing on serrated flanges on the rollers 2, 3, 4 prevent the spring rollers from unwinding the bands.
Patent GB-368858-A (GB)
Title: Improvements in and relating to desk, wall and ceiling fans
IPC: F04D29/70
Filed: 1930-11-17
Abstract: 368,858. Machinery guards. ADAMCIKAS, M. and MASSERA, G., Astor House, Aldwych, London. Nov. 17, 1930, No. 34629. [Class 80 (iv).] All the parts of a desk, wall, or ceiling fan, including the wire guard k, which lie in the path of the air current are of stream-lined form. The wires k of the guard are carried by a ring j supported from the motor casing a by rods i, the ring j and rods i being also of streamlined form. Specification 312,748, [Class 110 (i), Centrifugal and screw fans &c.], is referred to.
Patent GB-393506-A (GB)
Title: Improvements in anti-skid devices for vehicle wheels
IPC: B60C27/16
Filed: 1932-12-07
Abstract: 393,506. Wheel tyres. HADDAN, R., 31, Bedford Street, Strand, London.- (Columbian Rope Co. ; 309, Genesee Street, Auburn, New York, U.S.A.) Dec. 7, 1932, No. 34707. [Class 144 (ii).] A removable anti-skid device for vehicle wheels comprises a series of road-engaging portions, built up of parallel spaced cores covered with and joined by rubber, extending transversely of the wheel tread and spaced circumferentially thereof. As shown by Fig. 1, an anti-skid element 10 is wound helically around the wheel, its ends being bifurcated so that they can be attached to a spoke 31 by clips 21. The element 10 is constructed of a plurality of core members, 11 Fig. 3, preferably of fibre, covered by rubber 12, and is shaped to provide a flat surface 10a to contact with the tread of the wheel tyre, while the roadengaging surface is formed with a depression 10b. According to a modification, the antiskid device may comprise cross-members 40, Fig. 5, which extend transversely of the wheel and are secured by clamping means 41 to side members 42 extending circumferentially around the sides of the wheel. A series of depressions 43 are formed in the road-engaging surfaces of the cross-members 40.