baber/WOPTO huggingface dataset:
Patent GB-208897-A (GB)
Title: An improved stand for displaying goods
IPC: A47F5/00
Filed: 1922-12-11
Abstract: 208,897. Burrage, D. F. Dec. 11, 1922. Rack stands; brackets, adjusting.-A display stand comprises a frame a, enclosing a surface c adapted to receive an announcement &c. and preferably comprising an inner removable frame b with a sheet of translucent material, provid'ed with grooves a' on one face thereof and similar grooves or blocks a<2> on the opposite face thereof to support slotted shelves h. Pivoted shelves g<1>, g<2>, g<3> may be provided at the top of the frame a which is hinged to a flat base e having lines e<1> thereon to enable the goods to be readily arranged in geometrical patterns. In a modification shown in Fig. 6, the frame a is provided with surrounding walls i having grooves a<1> &c. to support the slotted shelves h, the base j forming a receptacle for the frames &c. when the shelves h have been secured upon the rear face of the surface c.
Patent GB-973613-A (GB)
Title: Hydraulic governors
Inventor: POTTER JAMES CHARLES
IPC: G05D13/00
Filed: 1961-09-21
Abstract: 973,613. Controlling motor vehicles. C.A.V. Ltd. Sept. 12, 1962 [Sept. 21, 1961], No. 33798/61. Heading B7H. [Also in Division G3] An hydraulic governor (see Division G3) allows an I.C. engine to run at a higher speed when driving a vehicle through intermediate gears than when driving it in top or overdrive top gear by the provision of a valve 32 which is opened by a solenoid 33 only when the intermediate gears are engaged. The solenoid is controlled by a switch operable by the gear shift mechanism. Opening of the valve 32 places an adjustable orifice 30 in parallel with an orificed piston 13 so that an engine-driven governor pump 6 has to run at a higher speed to produce a given effect on a servopiston 8 actuating the usual regulating means of a fuel injection pump.
Patent GB-1471456-A (GB)
Title: Flexible contact lenses
IPC: C08F283/12
Filed: 1974-07-31
Abstract: 1471456 Graft polymer lens ESSILOR INTERNATIONAL 31 July 1974 [6 Aug 1973] 33811/74 Heading C3G A contact lens comprises a shaped, crosslinked graft polymer of silicone and poly-(vinyl pyrrolidone) and water in an amount sufficient to impart optical transparency to the lens. The silicone used in the examples is a mixture of a dimethylpolysiloxanic oil blocked at each end by a unit of formula a copolymer of units of formula (CH 3 ) 3 SiO 0À5 , H 2 C=CH-(CH 3 )SiO and SiO 2  and a copolymer of units of formula (CH 3 ) 2 HSiO 0À5  and SiO 2 . The silicone is subjected to moulding and curing, irradiated in an oxidizing medium, contacted with a grafting medium comprising N-vinyl pyrrolidone and, optionally, poly-(vinyl pyrrolidone), to form a graft polymer and the graft polymer is cross-linked, after swelling in water, by application of, e.g. U.V. radiation.
Patent GB-1054322-A (GB)
Title: Improvements in or relating to the manufactures of sheet glass
IPC: C03B15/18
Filed: 1963-08-27
Abstract: 1,054,322. Bending chambers in sheet glass manufacture. GIAVERBEL. Aug. 27, 1963 [Oct. 31, 1962], No.33942/63. Heading C1M. In a glass sheet drawing process in which a sheet is drawn vertically from a glass bath and then bent and directed horizontally into an annealing chamber the sheet is bent in a closed chamber which is shielded from the drawing chamber, the annealing chamber and outer atmosphere, and the central portion of the sheet is protected from burners used for reheating the edges of the sheet before bending, after which the thermal uniformity of the sheet is reestablished by controlling the temperature of the sheets edges. A glass sheet 1 is drawn vertically from a bath of molten glass 4 and after passing between cooling elements 5, passes into the drawing chamber 6. This chamber is shielded from the drawing chamber by adjustable screens 12, from the annealing chamber by a screen 13, and from the outside atmosphere by side walls 10, crown 11 and special side walls 14 having movable flaps 22, 23 with sight window 28. The edges of the sheet 1 are reheated by burners 31 the radiation of which is prevented from falling on to the rest of the surface of the sheet by screens 30. After bending, the sheet passes into the annealing chamber, its edges being subjected to the action of V-shaped control elements 32 which help to re-establish the thermal homogeneity of the sheet 1. The screens 12 may be made up of individually movable sections, Fig. 5 (not shown), and also include heating or cooling means. The flaps 22, 23 may be made of asbestos or of a metal having a high reflective power.
Patent GB-815311-A (GB)
Title: Ferrite magnets
IPC: H01F1/117
Filed: 1955-11-29
Abstract: 815,311. Magnetic structures. TESLA NARODNI PODNIK. Nov. 29, 1955 [Dec. 13, 1954], No. 34152/55. Class 38 (2). A permanent magnet is made from a mixture of ferromagnetic ferrite and a resilient binder such as natural or artificial rubber, or other suitable artificial material. Magnets may be cut from a sheet made by mixing ferrite powder of grain size less than 10Á with rubber in a calender. Their properties may be improved by application of a magnetic field.
Patent GB-1004917-A (GB)
Title: Storage block adapted for storage and exchange of heat
Inventor: JACKSON ROBERT ALFRED FREDERIC
IPC: F24H7/04
Filed: 1964-08-20
Abstract: 1,004,917. Heating and cooling buildings; refrigerating; cooling gases by contact with cold solids. HEATOVENT ELECTRIC Ltd. Aug. 20, 1964, No. 34161/64. Addition to 975,560. Headings F4H, F4K and F4U. The thermal storage block described in the parent Specification is modified in that some of the U-grooves 15 in the mineral blocks 11 contain cooling tubes through which a refrigerating medium is passed, whilst the rest of the U-grooves 15 contain the heating elements as described in the Specification referred to above. The storage blocks can therefore be used to heat or to cool a building. A further modification is that the mineral mass may be a finely divided mineral material such as sand, a mixture of inorganic salts, or a single salt such as Glauber's salt, with a high latent heat of fusion contained in an impermeable casing.
Patent GB-1527820-A (GB)
Title: Rigid segmented brake disc
IPC: F16D65/12
Filed: 1976-08-17
Abstract: 1527820 Segmented brake discs GOODYEAR AEROSPACE CORP 17 Aug 1976 [18 Sept 1975] 34166/76 Heading F2E The segments are interconnected by integral tongues secured in complementary recesses by fasteners extending axially through the disc. As shown, complementary tongues 17 and grooves 16 are formed adjacent the outer periphery of the disc segment; keyway slots 20 are formed partly in the tongues and partly in the body of the segment. Rivets 32 (Fig. 5) secure the tongues in the recesses. The disc may be steel or a laminate of carbon cloth and specified carbon-based materials. The tongues and grooves need not be disposed axially centrally of the segment or at its outer periphery and more than one tongue and groove may be provided per segment. One segment may have a tongue at each end, its adjacent segment being grooved at each end.
Patent GB-937888-A (GB)
Title: Process of preparing catalyst for the production of alkynols and alkynediols
IPC: C07C33/046
Filed: 1961-09-25
Abstract: A catalyst containing 10-15% Cu and 2-7% Bi is made by impregnating a continuous phase silica gel with an aqueous nitric acid solution of cupric and bismuth nitrates at room temperature for 5-15 minutes and heating the resulting blue gel at 450 DEG -700 DEG C. for 2-100 hours.  Specifications 807,581, 937,887 and U.S.A.  Specifications 2,300,969 and 2,768,215 are referred to.ALSO:Alkynols are made from an aldehyde or ketone reacting in liquid phase with an acetylene RC­CH in which R is hydrogen or a hydrocarbon in the presence of a catalyst consisting of 10-15% Cu and 2-7% Bi or SiO2, which has itself been prepared by impregnating a continuous phase silica gel with an aqueous nitric acid solution of cupric and bismuth nitrates at room temperature for 5-15 minutes and heating the resulting blue gel at 450-700 DEG C. for 2-100 hours.  The examples describe preparation of butynediol and propynol from formaldehyde and acetylene.  Specifications 807,581, 937,887 and U.S.A. Specifications 2,300,969 and 2,768,215 are referred to.
Patent GB-759238-A (GB)
Title: Improvements in and relating to the sterilization of liquids and foodstuffs, in particular milk
IPC: A23L2/46
Filed: 1954-11-25
Abstract: 759,238. Sterilizing liquids. COTTRELL, H. L. (Gerbig Ges., W.). Nov. 25, 1954, No. 34218/54. Class 49. The sterilization of liquids, foodstuffs preserved with juice, especially milk, fruit juices and beverages, is carried out in a steam-heated cylindrical autoclave drum 2 in which filled and closed bottles, &c., 7 are held between partitions or baskets 6, the lowermost of which rests on the supports 5. The drum rotates on the axis 12, 12<SP>1</SP> and is provided with a removable lid 3 and safety valve 4. Nesting studs 8 are fixed to each basket and incorporate a hook 18 to enable removal of the basket by a pulley block and tackle. The bottles are held by two fixed perforated plates 9, 10 and by a resilient insert 11 I e.g. of rubber placed loosely on the bottles or fixed under the base of the basket above a lid 3. Steam is introduced through the hollow shaft 12 and flows out at the other side 12<SP>1</SP> past a monometer 14 and thermometer 15 ; a distribution plate 13 is incorporated in the druxn. Suitable drum speeds are 3-5 complete revolutions per minute.
Patent GB-480206-A (GB)
Title: Improvements in means for the separation of gases from liquids
IPC: B01D19/00
Filed: 1936-12-14
Abstract: <PICT:0480206/III/1> Liquids are freed from gas bubbles by flowing through a trough 1 having transverse baffles 2 obstructing the passage of the upper layer of liquid but leaving free spaces 3 for passage of the lower layer.  The spaces 3 may be adjustable, or floating baffles may be used whereby the spaces are automatically adjusted according to the density of the liquid.  Several troughs may be used either in series or parallel.
Patent GB-619092-A (GB)
Title: Improvements relating to printing outfits for use of amateurs and children
IPC: B41B1/00
Filed: 1946-11-19
Abstract: 619,092. Printing outfit. BAKER, J. H. Nov. 19, 1946, No. 34295. [Class 100(iii)] A printing outfit for amateurs or children is fnrmed with a stowage mount for the type in the form of a platform 1 of cardboard, wood, plastic or metal, in which are punched apertures 3 for receiving metal type which normally stand proud of the platform so as to be readily handled for setting up in a type holder. The platform is bent along lines a, b to form sides A, B which can rest on the bottom of a box fitted with a hinged lid, and a flap C may be attached to the side B. The box may contain other parts of the outfit.
Patent GB-415624-A (GB)
Title: Improvements in milling machines for twist drills
IPC: B23C3/32
Filed: 1933-12-06
Abstract: 415,624. Milling twist drills. BERGSTROM, J., 30, Franklinstrasse, Dresden, Germany. Dec. 6, 1933, No. 34328. [Class 83 (iii).] In an automatic machine for milling twist drills, the drill blanks 2 are automatically fed from a vertical assembly in a magazine 1 to the work-spindle which moves in a helical path to feed the drill past the cutter and is then indexed through 180‹ and reversed for the cutting of the second groove after which the finished drill is ejected and a fresh blank fed to the spindle. The blanks pass successively from an opening 3 into the hollow work spindle 4 having at its lower end a chuck 5. The work spindle is rotated through a gear 6 driven from a belt 10 through gears 11, 12 worm gearing 14, reversing bevel gearing 15-17 vertical shaft 7 and long gear 8. The reversing is controlled by a splined clutch 20. The workspindle, which rotates in a sleeve 22, is provided with a helical groove 21 engaged by a pin 23 so that as the spindle rotates it moves axially to carry the work in the required helical path past the milling cutter 9. The sleeve 22 may also be frictionally rotated by the work-spindle, such rotation being limited by a lug 26 coacting with abutments 27, 28. The shaft 7 drives through worm gearing a threaded shaft 32 screwing into a drum 33 which may move axially between abutments 35, 36 secured to the shaft 32. When the drum is in engagement with one of the end plates it is rotated by the shaft 32 and thus winds up a cable 38 carrying a weight 37. At the end of the work-spindle movement the clutch 20 is reversed by the engagement of gear 6 with one of two stops 39, 40 on a rod 41 thus momentarily freeing the shaft 7, whereupon the cable 38 suddenly unwinds and rotates the shaft 7 rapidly in the reverse direction. This movement is transmitted to the work-spindle and sleeve 22, which is thus rotated through 180‹ between the abutments 27, 28 to index the work for cutting the opposite groove. Engagement of the clutch 20 during operation is maintained by a weighted lever 45 operated by rack teeth on the bar 41. The work pieces are fed from the magazine at the end of the upward return movement of the work-spindle. The upper part of the spindle has a threaded portion 51 of opposite hand to the spindle thread 21, and carrying a nut 50 operating a guide rod 49 coupled at 54 to a weight 53 carrying the ejector rod 48. By this means the movement of the ejector is rendered greater than that of the work spindle and extends to the full length of the blank. At the end of the upward spindle movement the weight 53 engages a stop 55, thus breaking the coupling 54 and releasing the weight 53 which causes the ejector 48 to push a blank out of the magazine into the work spindle. At the same time a stop 56 engages a dog 57 to cause the chuck 5 to open. At this point the work piece is disengaged from its guide 59, Fig. 5, and a slide 60 is moved up to push aside the ejected work piece, whereupon the succeeding work piece drops onto the slide 60 which thus serves as a length gauge.
Patent GB-892360-A (GB)
Title: A process for the production of urea having a low water and biuret content
IPC: C07C273/16
Filed: 1960-10-06
Abstract: Urea having a low water and biuret content is prepared by concentrating a 75% to 85% by weight aqueous urea solution by evaporation to a 96% to 98% by weight urea content in a first evaporator at a temperature of from 136 DEG C. to 142 DEG C., a pressure of more than 200 mm.Hg. (preferably 200 to 250 mm.Hg.) and a residence time of from 5 to 25 seconds, and effecting further removal of water in a second evaporator at a temperature of from 138 DEG C. to 145 DEG C., a pressure of less than 100 mm.Hg. (preferably 40 to 80 mm.Hg.) and a residence time of from 5 to 30 seconds.
Patent GB-521764-A (GB)
Title: Improved rubber-like compositions
IPC: C08K5/02
Filed: 1938-11-25
Abstract: 521,764. Rubber compositions. CRAIGPARK ELECTRIC CABLE CO., Ltd., and DUNCAN, J. R. M. Nov. 25, 1938, No. 34377. [Class 70] Fire-resistant compositions consisting of neoprene in admixture with chlorinated products, fillers, sulphur and vulcanization accelerator, are mixed with 10 to 40 per cent. by weight of the neoprene content of unvulcanized rubber. The chlorinated products may be chlorinated diphenyl, chlorinated naphthalene, polyvinyl chloride and chlorination products thereof, chlorinated rubber, chlorinated paraffin wax. The fillers may be china, clay or french chalk. Specification 499,908 is referred to.
Patent GB-790029-A (GB)
Title: Built-up rotor for axial flow rotary machines, more particularly for gas turbines
IPC: F01D5/06
Filed: 1955-12-01
Abstract: 790,029. Turbine rotors. MASCHINENFABRIK AUGSBURG - NURNBERG AKT.- GES. Dec. 1, 1955 [April 9, 1955], No. 34408/55. Class 110 (3). [Also in Group XXIV] A built-up rotor for an axial-flow rotary machine such as a gas turbine, comprises bladed rotor discs 1, 2, adjacent sides of adjacent discs being provided with internally-screwed, axial, annular projections 8, 9, and a screwthreaded ring 10 is disposed between the adjacent discs in screwed engagement with the annular projections. The screw-threaded ring is of approximately I-section the inner flange 11 thereof being screwed on its external faces whereby the ring may be screwed into engagement with the annular projections 8, 9. The outer flange 12 of the I-section ring constitutes a distance piece, the sides of which bear against the side faces of the adjacent discs either directly or through interposed sealing rings. The adjacent discs are mutually centred by means of a ring 7 engaged in recesses 5, 6 at the centres of the discs. The 1-section ring has initially a thick outer flange as indicated at 13 in chain-dotted lines, bores 14 being provided in the flange to permit tightening of the ring. The outer portion of the flange is removed by subsequent machining. Grub screws 15, 16 engage the outer flange 12 and the rotor discs 1, 2. In a second embodiment, Fig. 2, the inner flange and central web of the I-section ring are divided by a radial slot, each into two parts 31a, 31b and 30a, 30b. The inner flange parts 31a, 31b and the corresponding annular projections 28, 29 on the rotor discs are disposed at different radii. Channels 37 are provided in the side of the outer flange 32 to permit hot working fluid to enter the annular space 38. In a further embodiment in which the inner flange and central web of the I-section ring are divided radially, conically-headed pins engage between the two parts of the inner flange so that the pins when screwed outwardly tend to force apart the two parts of the inner flange. In another embodiment channel-section rings are disposed between the outer flange of the I-section ring and the sides of the rotor discs, the outer flanges of the channels extending towards each other around the outer flange of the I-section ring. Spacer pieces are disposed between the two parts of the I-section ring which is again divided by a radial slot. In another embodiment, the two parts of the I- section ring are again disposed at different radii and the outer flange of the ring is formed with an axial groove which reduces the crosssection of the material and thereby reduces the heat flow path. The outer surface of the I-section ring may be formed with circumferential grooves to form the rotating part of a labyrinth type of seal.
Patent GB-448115-A (GB)
Title: Improvements in and relating to tap washers
IPC: F16K1/36
Filed: 1934-11-30
Abstract: 448,115. Tap washers. CAVE, R. P., 173, High Street, Rushden, Northamptonshire. Nov. 30, 1934, No. 34431. [Class 135] A tap washer A is formed of a compressible material such as leather, fibre, or rubber composition, the central part B of which is compressed to leave an upstanding rim portion D which is relatively soft for co-operating with the seating. This rim portion may be made convex and the peripheral surface of the washer and/or the hole C may be tapered or cylindrical.
Patent GB-828191-A (GB)
Title: Improvements in and relating to control systems
Inventor: TIZARD RICHARD HENRY
IPC: G06G7/26
Filed: 1954-11-29
Abstract: 828,191. Electric control systems. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Jan. 30, 1956 [Nov. 29, 1954], No. 34564/54. Class 40 (1). In a control system for effecting movement in a non-linear relation with a voltage applied to a servo system, the voltage is compared with part of a non-linear voltage gradient established along a potentiometer, the non-linear gradient being produced by tappings on the potentiometer to which are connected shunting resistors or auxiliary voltages. An arrangement is described for converting an output voltage into the movement of a carriage across a plotting table. Along one edge of the table is arranged a non- linear potentiometer. The carriage carries a stylus or permanently inked pen over the table and a sensing contact over a non-linear potentiometer. The voltage developed at the sensing contact is applied to a circuit in which it is compared with the applied voltage and the difference used to drive a servomotor which positions the carriage. The potentiometer is a linear wire-wound potentiometer having taps at various points along it at which are connected resistors shunting various sections. If the voltage gradient over part of the potentiometer is steep, the spacing of the tapping contacts should be reduced. The tapping contacts may be carried in a frame adjustable relatively to the potentiometer. The non-linear voltage gradient along the potentiometer may be derived by using independently adjustable tapping contacts between which are connected tapping resistors. A combination of these methods may be used. Two control systems of the type described may be arranged along perpendicular sides of a plotting table to act on a common pointer or a single control system may move a pointer across a sheet advancing steadily or in correspondence with a second variable, the co-ordinate of which is to be plotted parallel to the sheet movement.
Patent GB-918529-A (GB)
Title: Safety device for a circular loom
IPC: D03D37/00
Filed: 1959-02-13
Abstract: 918,529. Circular loom shuttles; stop motions. DAUTRICOURT, J. Feb. 13, 1959 [Feb. 13, 1958], No. 34679/62. Divided out of 918,528. Class 142 (2). A circular loom shuttle comprises a cop chamber 1 having a restricted outlet eye 3 acting as a slub catcher. The weft runs in contact with an anvil 4, roller 5 on a lever 6, and the end of a lever 10, then round pulleys 14, 15 to the fabric. If a slub is caught in the eye 3, the increase in the tension of the weft turns the lever 6 about its pivot 8 against the action of a spring 7 and centrifugal force acting on the roller 5, causing a blade 9 to cut the weft against the anvil 4. The resulting slackness in the weft allows the lever 10 to turn about its pivot 11 against the action of centrifugal force on a counterweight 12; an electrical contact on the lever closes a circuit through a brush 2 to stop the loom, firm pressure being maintained on the contact by a magnet 13. The length of weft round the rollers 14, 15 is sufficient to continue normal weaving whilst the loom is coming to rest. A centrifugal switch may be incorporated in one of the rollers 14, 15 to stop the loom if the weft breaks between the lever 10 and the fabric.
Patent GB-877272-A (GB)
Title: Improvements in or relating to electromagnetic interrupter devices
IPC: H03F3/40
Filed: 1958-10-30
Abstract: 877,272. Electromagnetic interrupters. SIEMENS & HALSKE A.G. Oct. 30, 1958 [Oct. 30, 1957], No. 34847/58. Class 38 (5). The armature of an interrupter is a permanent magnet movable perpendicular to the direction of the magnetic flux in the air gap between the poles of an electromagnet. The magnet 1 is polarized in the same direction and is so mounted on a non-magnetic spring 3 as to be normally offset from the centre-line of the poles 2a, 2b. As the flux between the poles 2a, 2b alternates, the armature 1 is moved into and out of the air gap. The armature may comprise two permanent magnets polarized in opposite directions (Fig. 1b, not shown). The electromagnet is enclosed in a magnetic screen 8 and the contact device which is nearer the fixed end of spring 3 is also in a magnetic case 9 with a screen 10 on the spring. Contact spring points 4, 6 and 5, 7 are mounted on opposite sides of the spring 3 for alternate engagement of the springs 4, 5 during oscillation. The springs 4, 5 are cranked so as to overlap an equal area on opposite sides of their fixed springs 6, 7 to compensate for interference, and the material at the points a thereon is subject to the same rate of wear as the material at the contact points k. The electromagnet and contact device may be mounted in a sealed case.