baber/WOPTO huggingface dataset:
Patent GB-1450634-A (GB)
Title: Centrifuge for the continuous separation of solids from fluids
IPC: B04B7/18
Filed: 1974-06-18
Abstract: 1450634 Screen centrifuge BRAUNSCHWEIGISCHE MASCHINENBAUANSTALT 18 June 1974 [24 May 1974] 26900/74 Heading B1D A continuous centrifuge (e.g. for sugar crystals 'molasses mixture) has two screens in series, (Fig. 8) the inner screen 65 having wider apertures than outer screen 63. Large crystals may be discharged at 71 and fine crystals at 70 and molasses into 69. Mixture is fed through hopper 32 to a dished member at the base of frusto conical screens 63, 65 and supporting drum 2. A supporting basket underlies screen 63 and a spacer basket 64 is held between screens, which spacer basket may have tapered longitudinal members as in Fig. 7 (not shown), which members may be curved away from the direction of rotation to allow circumferential slip of solids in screen. The coarser inner screen may be shorter than the finer outer screen as in Fig. 6 (not shown) and all crystals discharged together. The inner screen is readily replaceable (Fig. 1 not shown).
Patent GB-190291-A (GB)
Title: Improvements in concrete slab building construction
IPC: E04B2/56
Filed: 1921-10-11
Abstract: 190,291. Dampney, G. F. Oct. 11, 1921. Metal-skeleton building-slabs.-Concrete building-slabs are provided with pivoted bonding loops or tags 12, 49, 18, Figs. 1 and 2, which are housed in cavities to facilitate packing during transport and are opened out and connected to coupling links or ties during erection. The loops or tags swing on reinforcing bars 11, the ends of which may project into recesses 39, Fig. 8, and be twisted together therein. Single slabs may be tied to studs or to each other at the corner of a wall, or double slab walls may be formed as shown in Fig. 3.
Patent GB-203925-A (GB)
Title: Improvements in collapsible boxes
IPC: B65D5/36
Filed: 1922-10-05
Abstract: 203,925. Stranders, J. Oct. 5, 1922. Folding-boxes.-A collapsable box for confectionery comprising a top 8 and base 2 connected by two ends 4 to form a tubular body, and sides 13 hinged to the top is erected by pulling flexible cords 17. The cords 17 are secured to flaps 14 on the free ends of the hinged sides and pass through apertures in the base, and serve to tie up the box. The box may be formed from two blanks, one of which forms the top and the two hinged sides, or may be made from a strip bent to form the tubular body within the ends of which are hinged the separate sides 13. A hinged lid 9 may be provided in the top of the box.
Patent GB-602521-A (GB)
Title: Improvements in tool holders for planing, shaping or similar machines
IPC: B23D13/00
Filed: 1945-10-16
Abstract: 602,521. Shaping curved surfaces; turning. LYCETT, F. C. O. Oct. 16, 1945, No. 26994. [Class 83 (iii)] In a tool-holder, for lathes, planing or similar machines, having a tool carried in a member rotatably adjustable in the holder so that it may be traversed in a circular path for forming circular or part-circular grooves, the holder 10 is V-shaped, one arm 12 forming a shank for attaching the holder to the machine and the other arm 13 carrying a control shaft 25 which engages the tool, carrier 14 through wormgearing 26, 16 enclosed in the holder and operated by a knob 27. The shaft is held against axial movement by a pin 29 engaging a groove 28. A scale 34 and index mark 35 indicate the angular adjustment of the tool 17, which is clamped by a screw 19, and the end portion 33 of the carrier is of predetermined diameter for inserting a gauge between it and the work. The worm wheel may be formed on the larger diameter portion of the carrier 14 and the worm-shaft carried in a member angularly adjustable in relation to the wormwheel so that they may be disengaged. A ratchet and pawl mechanism may be combined with the holder to provide automatic adjustment of the tool after each stroke.
Patent GB-1434338-A (GB)
Title: Process for producing cyclopolyenes
IPC: B01J23/00
Filed: 1974-06-18
Abstract: 1434338 Oligomerizing cyclododecatriene TAKASAGO PERFUMERY CO Ltd 18 June 1974 [2 Aug 1973] 27051/74 Heading C5E Cyclopolyenes (1, 5, ... 4n + 5) having 12 + 4n carbon atoms where n is 1 to 7 are prepared by oligomerizing cyclododecatriene- 1,5,9 in the presence of a rhenium catalyst on an alumina or alumina-boria support. The oligomerization may be carried out at 40-200 C., in the gaseous or liquid phase, optionally in the presence of a saturated hydrocarbon or halogenated hydrocarbon solvent having a boiling point less than cyclododecatriene.
Patent GB-646194-A (GB)
Title: Agitating means for cleaning gas filters
Inventor: VOKES GORDON HEATHERTON
IPC: B01D46/02
Filed: 1948-10-18
Abstract: 646,194. Gas filters. VOKES, Ltd. Oct. 18, 1948, No. 27052. Drawings to Specification. [Class 8(ii)] In a gas filter comprising a plurality of sections 1 each subjected to agitation, e.g., by double-headed rocking hammers 7, selected hammers are moved in one direction whilst other selected hammers move simultaneously in the opposite direction and thereby effect balance and so prevent excessive vibration being transmitted to the filter framing. The hammers 7 are rocked about parallel spindles 2 by cranks 3 thereof each having a pin 4 engaging a notch 5 of a reciprocated bar 6; the cranks 3 being set alternately on opposite sides of the spindle 2. Specification 635,610 is referred to.
Patent GB-1105485-A (GB)
Title: Improvements in and relating to filter apparatus
Inventor: BIRKS JOSEPH
IPC: B01D29/00
Filed: 1963-07-09
Abstract: 1,105,485. Filtering apparatus. UNIT SWIMMING POOLS Ltd. 10 Sept., 1964 [9 July, 1963], No. 27071/63. Heading BID. At least one filter element 8, comprising a flat expanded-metal frame 10 covered by a textile sack 12 is enclosed in a chamber 2 having an inlet 36 and an outlet conduit 18, and each frame 10 has a nipple (14), a rectangular cross-section sealing ring (20) and a washer (22) (Fig. 2, not shown), whereby the interior of the frame is sealed to conduit 18. Fig. 2 illustrates how elements 8 are secured by nuts (26) on rods (28), bearing on a common cross-bar (24). Fig. 1 shows how water from a swimming pool enters a strainer 6 by three conduits 60 and passes via pump 4 to chamber 2. Chamber 2 has an air bleed valve 50, a drain valve 52 and a deflector plate 38 adjacent inlet 36. In use, a slurry of diatomaceous earth is added to strainer 6 and washed into chamber 2 to form a layer over sacks 12. To remove the layers, valve 54 is closed, valves 72 and 52 opened, which reverses the flow through elements 8, and the contaminated earth is washed out through valve 52. The chamber 2 may then be drained to ensure complete removal, valve 50 being opened.
Patent GB-665536-A (GB)
Title: Improvements relating to electromagnetic contactors
IPC: H01H50/54
Filed: 1949-10-22
Abstract: 665,536. Electromagnetic switches. DONOVAN ELECTRICAL CO., Ltd., and FAIR, J. W. Oct. 23, 1950. [Oct. 22, 1949] No. 27182/49. Class 38 (v). In an electro-magnetic. contactor, the forward and rearward contacts b, c are mounted on insulatory cross bars a<SP>2</SP>, a<SP>3</SP> extending between side cheeks a<SP>1</SP> extending forward from a rear wall a, the above members together with a top wall a<SP>4</SP> forming a chamber where the hot gas and vapour can rise and pass out through a small gap a<SP>6</SP>. The contacts b, c are bridged by a movable contact d mounted on a bar e carried by the armature.
Patent GB-1047578-A (GB)
Title: Drive circuit for magnetic core memory device
IPC: G11C19/04
Filed: 1965-06-28
Abstract: 1,047,578. Circuits employing bi-stable magnetic elements; semi-conductor pulse circuits. AMP Inc. June 28, 1965 [July 2, 1964], No. 27229/65. Addition to 933,894. Headings H3B and H3T. In a magnetic core shift register in which a priming winding 19 is energized during the charging of a condenser 21 and the condenser discharge current is applied to advance windings 17, 18 alternately as described in the parent Specification, the drive circuit includes temperature sensitive means which adjusts the value of the condenser charging current passing through the priming winding so as to maintain the peak value of this current between given maximum and minimum values over a given temperature range. As shown the temperature sensitive means comprises a thermistor 25, which together with a resistor 24 and rectifier 14 bypasses some of the condenser charging current from the priming winding 19. The condenser discharge current is obtained in an advance winding 17 or 18 by selectively closing a switch 26 or 28 consisting either of a 4-layer diode or a silicon-controlled rectifier.
Patent GB-536412-A (GB)
Title: Improvements in or relating to wireless receivers with band spreading
IPC: H03J3/10
Filed: 1939-10-10
Abstract: 536,412. Wireless receiving apparatus. PHILIPS LAMPS, Ltd. Oct. 10, 1939, No. 27623. Convention date Oct. 13, 1938. [Class 40 (v)] [Also in Group XXXVI] In wireless receivers having tuning means for approximate tuning to a number of comparatively wide short wave bands and further tuning means for fine tuning within the wide bands, wherein approximate tuning is effected by altering one reactance (capacitance or inductance) whereas fine tuning is effected by constituting the other tuning elements that remain constant during the approximate tuning of two parts one of which is varied for the fine tuning. The oscillatory circuits 1, 2, 3 (representing two H.F. stages and a local oscillator stage) comprise each a variable condenser and an inductance coil in two parts 4, 5 which are not electrically coupled. The coarse tuning is performed by varying the condenser in conjunction with the whole of the inductance 4, 5, while the fine tuning is carried out by varying the inductance of the coils 5 by moving metal cores 6 into the field of the coil. In Fig. 2 variation of the inductance of the coil 5 is obtained by the provision of a contact arm 7 which slides along one turn 8 closely coupled to the remaining turns. The metal bodies may be secured in series on an insulated rod 9 which is reciprocated axially against the action of a spring 12 by a lever 14 the free end of which is provided with a ball 19 driven by a screw thread 18 on a rod 17 rotated by the tuning knob 16.
Patent GB-722911-A (GB)
Title: Polyene syntheses and compounds prepared thereby
Filed: 1951-11-26
Abstract: The invention comprises esters of 3-methyl-3-hydroxy - 5 - (2,6,6 - trimethylcyclohexen - 1 - yl) - penta - 4 - yne - oic acid and the preparation thereof, in a process for the synthesis of Vitamin A which includes subjecting a ketone of the type <FORM:0722911/IV (b)/1> wherein R is a hydrocarbon group, to a Reformatsky reaction effective to form a b -hydroxy ester and dehydrating the b -hydroxy ester to an unsaturated ester, by subjecting a ketone of the formula <FORM:0722911/IV (b)/2> wherein n is 1 or 0 to a Reformatsky reaction effective to form a b -hydroxy ester having an acetylenic bond between the b -hydroxy group and the terminal ring.  Vitamin A ester is obtained by subjecting the butyryl ketone, 4-(2,6,6 - trimethyl cyclohexen - 1 - yl) but - 3 - yne-2-one, to a Reformatsky reaction with a haloacetate and thereby converting said butynyl ketone to the b -hydroxy ester, 3-methyl-3-hydroxy - 5 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - penta - 4 - yne - oic ester; dehydrating said b -hydroxy ester to the a ,b -unsaturated ester, 3 - methyl - 5 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - penta - 2 - ene - 4 - yne - oic ester; reducing said a ,b -unsaturated ester to the primary alcohol, 3-methyl-5-(2,6,6-trimethyl-cyclohexen - 1 - yl) - penta - 2 - ene - 4 - yne - 1 - ol, oxidizing said primary alcohol with acetone and a metal alkoxide to the ketone, 6-methyl-8-(2,6,6 - trimethyl cyclohexen - 1 - yl) - octa - 3,5 - diene-7-yne-2-one; subjecting the last said ketone to a Reformatsky reaction with a haloacetate and thereby forming a b -hydroxy ester 3,7 - dimethyl - 3 - hydroxy - 9 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - nona - 4,6 - diene - 8-yne-oic ester; dehydrating the last said b -hydroxy ester to the a ,b -unsaturated ester, 3,7 - dimethyl - 9 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - nona - 2,4,6 - triene - 8 - yne - oic ester; and hydrogenating the last said a ,b -unsaturated ester to Vitamin A ester.  Alternatively 3,7 - dimethyl - 9 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - nona - 2,4,6 - triene - 8 - yne - oic acid is obtained by oxidizing primary alcohol 3-methyl-5 - (2,6,6 - trimethyl cyclohexen - 1 - yl) - penta - 2 - ene - 4 - yne - 1 - ol to the aldehyde, 3 - methyl - 5 - (2,6,6 - trimethyl cyclohexen - 1 - yl)-penta-2-ene-4-1-ol; condensing said aldehyde with b -methyl glutaconic acid diester and acidifying the product of said condensing and thereby forming the diacid 4-carboxy-3,7-di-methyl - 9 - (2,6,6 - trimethyl cyclohexen - 1 - yl)-nona - 2,4,6 - triene - 8 - yne - oic acid and then decarboxylating said diacid to the monoacid.  Said monoacid, 3,7-dimethyl-4-(2,6,6-trimethyl cyclohexen - 1 - yl) - nona - 2,4,6 - triene - 8 - yne-oic acid may be reduced to the corresponding alcohol which may be converted by hydrogenation to Vitamin A alcohol.
Patent GB-191197-A (GB)
Title: Improvements in gate valves
IPC: F16K3/30
Filed: 1921-10-18
Abstract: 191,197. Whitehall Petroleum Corporation, Ltd., and Munn, J. B. Oct. 18, 1921. Wedge velves.-In a sluice valve, the opening movement of the valve moves a pair of sleeves across the gap between the ports to provide a continuous passage for the fluid. Each of the sleeves e, is provided with lugs f projecting into recesses in the casing and carrying rods h projecting into the central space b of the wedge valve c. Each rod h is pivoted to the lower end of a lever k which is pivoted at k<1>. The valve c is provided with a pair of projections l which engage with the upper ends of the levers k during the rising movement of the valve and move the sleeves e to bridge the gap between the ports. The downward movement of the valve opens the crossed levers k and moves the sleeves e out of the path of the valve. The walls of the ports are provided with recesses m to receive the sleeves, and the latter are provided with transverse grooves in their surfaces to prevent leakage, or, as shown in Fig. 4, the seatings d and liners n may be provided with packing rings.
Patent GB-984607-A (GB)
Title: Improvements relating to travelling-wave tubes
Inventor: CLARKE GRAHAM MORLEY
IPC: H01J23/26
Filed: 1962-07-19
Abstract: 984,607. Travelling-wave tubes. FERRANTI Ltd. July 18, 1963 [July 19, 1962], No. 27695/62. Heading H1D. A method of manufacturing a travelling-wave tube of the kind having a slow-wave structure 11 of generally circular cross-section located coaxially within a tubular metal envelope 12 includes the steps of (a) inserting the slow-wave structure 11 coaxially within the envelope 12 and supporting the structure in that position by three or more compression members 13 extending across the space between the structure 11 and the inner surface of the envelope 12, this step being effected without using appreciable force, (b) locating the envelope 12 with not more than slight clearance in a surrounding yoke 21 of lower coefficient of thermal expansion than that of the metal of the envelope 12, steps (a) and (b) being carried out in either order, (c) heating the assembly to cause plastic deformation of the envelope 12 due to the restriction of its expansion by the yoke 21, and (d) allowing the assembly to cool to room temperature, thereby causing the envelope 12 to contract and so grip the slow-wave structure 11 firmly by way of the compression members 13.
Patent GB-174570-A (GB)
Title: Improvements in or relating to advertising devices
IPC: H01J17/00
Filed: 1921-10-19
Abstract: 174,570. Deutsche Glimmlampen-Ges. April 28, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Order apparatus; indicators.-Luminous electric discharge lamps are applied to current-direction indicating by making the lamp body or the electrodes, or both, in the form of an object, lettering, &c. Figs. 14 and 15 show examples of lamps having electrodes 50, 51, 55, 56 modelled to serve as current-direction indicators.
Patent GB-232137-A (GB)
Title: Closure for glass vessels
IPC: B65D51/16
Filed: 1924-11-20
Abstract: 232,137. Rettmeyer, C. Nov. 20, 1924. Capsules and like closures.- In a closure for glass vessels in which a packing-ring d is mounted in a groove in the inner surface of the flange c of the metal lid, the lower portion of the flange is pressed against the' wall of the vessel during the closing thereof, the mass of the lower part of the packing-ring being thus pushed into the upper part of the groove to ensure a tight packing. A tear-off tongue e is provided with an incision at each side of it to ensure that the flange is torn transversely of its circumference.
Patent GB-226789-A (GB)
Title: Improvements relating to automatic steering apparatus for ships or other dirigible vehicles
IPC: B63H25/04
Filed: 1924-11-20
Abstract: 226,789. Sperry Gyroscope Co., (Assignees of Whitaker, O. B.). Dec. 28, 1923, [Convention date]. Steering and manoeuvring automatically.-Automatic steering gear is provided with means for setting automatically the craft on any predetermined variable or constantly changing course. In one example the variation is governed by the speed of the vessel, its latitude, and course. A master controller 1, Fig. 1, in the form of a standard repeated compass card 10 co-operates with a settable course indicator 11. The card is rotated by the repeater motor 13 of the master compass through gears 16, 17, shaft 18, and gears 19, 20. The pointer 11 is set by the hand wheel 30 through gears 31, 34, differential gears 35, 36 on the planet 37 of the shaft 18, gears 32, 40 and 41. Fixed to the gear 32 is a trolley 50 meshing with contact strips 51, 52 formed of semicircular strips separated by insulating pieces. When a new course is set by hand, or the trolley is rotated by the repeated motor on the ship leaving its course, the, trolley leaves the insulating pieces and traverses the strips 51 and 52, thereby closing one field of a two-way motor which is geared to, and thus actuates, the steering wheel amd gear to move the rudder and bring the vessel into a new, or return it to its proper, course respectively. The change in course may be automatically effected by engaging the wheel 34 with a second bevel 60 suitably driven. For keeping a ship on a great circle, the course is varied continuously by rotating the bevel 60 in accordance with the distance travelled and the degrees change of course per mile, the distance travelled being measured by time and the speed of the ship. For this purpose a clockwork motor 70, acting as a time factor, drives a disc 73, Fig. 2, which engages a disc 74 adjustable in position by a screw and nut 75, 76 in accordance with the ship's speed, whereby the gears 81, 82 and disc 83 act as a distance factor. The disc 83 drives a disc 84 which is adjustable in accordance with the desired degrees change of course per mile, whereby the gears 88, 89, shaft 91, gears 66 - - 69, and thus the bevel 60 is rotated as the complete function of the required control. For following a mercator course the bevel 60 is slidden out of engagement with the bevel 34. The gear, instead of continuously acting, may be intermittently driven at predetermined intervals, such as by connection with the " hundreds " wheel of a distance indicator.
Patent GB-974641-A (GB)
Title: Bird repellant
Inventor: PINE FRANK WILLIAM LE
IPC: A01N25/02
Filed: 1962-07-19
Abstract: A bird repellant composition comprises a bis-(thiocarbamoyl)-disulphide, e.g. thiram and a film-forming substance comprising a polymer of an acrylic acid ester, preferably in the form of a water-dispersible paste.
Patent GB-982472-A (GB)
Title: Olefin polymer stabilization
IPC: D01F1/10
Filed: 1963-07-15
Abstract: A crystalline olefin polymer is stabilized with a composition comprising (i) an aliphatic thioester, (ii) a polyphenol, (iii) an hydroxybenzotriazole, (iv) a nickel phenate of an alkylphenol monosulphide, and optionally (v) a metal soap. The olefin may be propylene, butene, pentene, hexene, 4-methylpentene-1, octene or styrene, and the preferred stabilizers are:-(i) didodecoyl or octadecoyl thiodiglycolate, or lauryl thiodipropionate, (ii) 4,41-thiobis-6-t-Bu-m-cresol, a condensation product of an aldehyde or ketone with an alkylphenol (e.g. formaldehyde and nonylphenol), or a tris-hydroxyarylpropane, (iii) 21 - hydroxy - 31 - t - Bu - 51 - Me - phenyl - 5-chlorobenzotriazole, (iv) a nickel phenate of bis - 2 - t - Bu - phenol monosulphide, and (v) Ca, Zn or Al stearate or laurate. In examples TiO2 also is present. The products find application as film and fibre, preferably stretched and dimensionally stabilized. Specifications 571,943, 960,012 and 982,473 are referred to.
Patent GB-358693-A (GB)
Title: Improvements in method and apparatus for conveying plastic material
IPC: A01L3/02
Filed: 1930-09-18
Abstract: 358,693. Moulding plastic materials ; rubber sheets. GOODYEAR TIRE & RUBBER CO., 1144, East Market Street, Akron, Ohio, U.S.A. Sept. 18, 1930, No. 27956. Convention date, Dec. 5, 1929. [Classes 70 and 87 (ii).] Consists in a method of and apparatus for converting a strip of plastic material, such as unvulcanized indiarubber, into a strip of greater thickness, in which the initial plastic strip is fed downwardly and continuously on to a substantially horizontal conveyer moving at a speed less than the strip so that a unit length of the strip is folded into a smaller lineal space, the folds being afterwards pressed together to cause the material'to retain its increased cross section. As shown applied to a machine for making solid rubber tyres, in which rubber is conveyed continuously from a high speed calender 99 to a slow speed extruding'machine 113, the rubber strip 100 passes from the calender on to an endless conveyer belt 92 from which it passes downwardly on to a slower running endless belt 73 on which the strip is folded upon itself to form a greater thickness. The folds are pressed together by a belt 116, preferably positively driven. Endless belts 103, 107 guide the strip on to and from the conveyer 92. The belts 92, 73 are driven by a motor 11 through a shaft carrying sprocket wheels 17, 87 over which pass chains 18, 88. The chain 88 drives the belt 92 directly by means of a sprocket wheel 89 on a shaft carrying one of the guide rollers for the belt, and the chain 18 drives the belt 73 indirectly through a variable speed gear shown in Fig. 6. This gear comprises two pairs of conical pulleys 28, 29 and 41, 42 splined on shafts 22, 43 and connected by a belt 60. The pulleys are provided with circumferential grooves 30 engaging pins 31 on levers 32, 33 pivoted to a cross-bar 37 and provided with slots 46, 47 engaging lugs on a pair of nuts 50, 51 mounted on a threaded rod 53 provided with a hand-wheel 58 by which adjacent ends of the levers 32, 33 may be adjusted closer to or farther from one another. The shaft 22 is driven by the chain 18 and the shaft 43 drives, by means of a chain 62 and sprocket 63, a shaft carrying a smaller sprocket 65 which drives, through a chain 67, a sprocket 68 on the shaft of one of the guide rollers of the belt 73.
Patent GB-943025-A (GB)
Title: Container for make-up or cosmetic products for the eyes
IPC: A45D40/22
Filed: 1960-08-12
Abstract: 943,025. Boxes. SOPAS PROFUMI S.p.A. Aug. 12, 1960 [Aug. 13, 1959], No. 27956/60. Heading B8P. An eye make-up box comprises halves 1, 2, suitably hinged together as at 5, and having attached ends 3, 4 respectively, the half 2 having slidably mounted within it a trough 6 in which a tube of make-up may be securely positioned, the neck and cap of the tube projecting through an aperture 9. The half 1 has attached a mirror 10 and a suitable small brush may be placed in space 11 formed between the back of the mirror and the box wall.
Patent GB-1063058-A (GB)
Title: Sedimentation process
IPC: C08G2/00
Filed: 1964-07-07
Abstract: 1,063,058. Sedimentation. DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT. July 7, 1964 [July 30, 1963], No. 28000/64. Heading C1C. A polyacrolein gel is used to cause or aid sedimentation of solids in liquid suspensions. Conventional flocculants such as ferric chloride and aluminium sulphate may be present.