baber/WOPTO huggingface dataset:
Patent GB-1427136-A (GB)
Title: Silo for storing moist materials
IPC: B65D88/74
Filed: 1972-02-16
Abstract: 1427136 Silos HOWARD HARVESTORE Ltd 15 May 1973 [16 Feb 1972] 7108/72 Heading E1T In a silo for storing moist material the inside wall of the silo is provided with vertically arranged drainage ducts 15 having inlet holes 19 spaced therealong, discharge being effectedfor example through pipes 21, 22, 23, 24 communicating with a ring main having a U-bend to prevent ingress of air, see also Fig. 1 of Provisional Specification (not shown). The ducts are bolted or otherwise secured to the silo wall and may discharge into a conduit extending around the internal periphery of the container, the said conduit being defined by an inclined plate secured to the base of the container and the internal wall and the said conduit communicating with a discharge pipe passing through said wall, see Fig. 6 (not shown). The container may be made from curved sheets of steel which are coated with glass, enamel or plastics and bolted to-gether. Alternatively the container may be made of plastics, concrete or metal sheets welded to-gether. For minor details of materials employed, arrangements of discharge pipes, clearing rod 28, and application to crops the Specification and remaining Provisional Drawings, (not shown), should be referred to.
Patent GB-772294-A (GB)
Title: Improvements in and relating to radio-active materials
IPC: G21G4/06
Filed: 1954-03-12
Abstract: A source of beta radiation comprises a film of cobalt 60 having a thickness not greater than 0.002 inch, preferably not greater than 0.001 inch.  The film may be formed by plating a suitable backing material with cobalt 60 to the required thickness and then stripping the layer from the backing material.  The film may be used in any apparatus employing a source of beta radiation, e.g. apparatus for determination of the thickness of films as described in Specification 677,451 [Group XL(b)].
Patent GB-966354-A (GB)
Title: Oscillating fan
IPC: F04D25/10
Filed: 1963-02-22
Abstract: 966,354. Screw fans. VAN DER HEEM N.V. Feb. 22, 1963 [Feb. 23, 1962], No. 7253/63. Heading Fl C. [Also in Division F2] An oscillating fan consists of a housing 1 pivotally mounted on a foot 4, a link 5 connected to the foot 4 and to a crank 7 connected to a shaft 8 slidable along its axis and driven by a motor (not shown) in the housing 1 by means of a gear-wheel 9 which is mounted on the shaft 8 and is a tight fit axially of the shaft 8, a key in the shaft 8 arranged to fit a recess in the gear-wheel 9 in one end position of the slidable shaft 8, and a locking mechanism to lock the shaft 8 in a position in which the key is out of the recess. The key comprises a cross-pin 14 which engages a slot at the inner end surface of a cylindrical recess 13 in the gear-wheel 9, the latter being driven through a reduction gear (not shown) by a worm 15 on the fan motor shaft. When the shaft 8, which is connected through a push rod 17 and a ball connection 16 to a control lever 19, is raised from the position shown by upward movement of the lever 19, the pin 14 is disengaged from the gear-wheel 9 and a toothed wheel 20 snaps into a depression 23 in a ridge 21 mounted on a resilient bracket 22, thereby positively locating the shaft 8 axially and angularly. The crank 7 is connected to the shaft 8 through a slip coupling.
Patent GB-447256-A (GB)
Title: Phosphatide condensation products
IPC: C07F9/10
Filed: 1934-09-10
Abstract: Phosphatides are heated with higher aliphatic carboxylic acids and/or salts thereof to give condensation products which are particularly useful in the manufacture of vulcanized rubber goods. According to the examples, lecithin is heated with oleic acid or with a mixture of stearic and palmitic acids and the product allowed to cool.  Salts mentioned are zinc stearate and ammonium oleate.  When intended for incorporation with rubber, products prepared from copper, manganese, cobalt and nickel salts should not be used.  Specification 348,783 is referred to.
Patent GB-1480128-A (GB)
Title: Stapler having a box-like casing
IPC: B25C5/16
Filed: 1975-02-21
Abstract: 1480128 Staples A SIMONELLI 21 Feb 1975 [11 June 1974] 7318/75 Heading B4C A stapler comprises a stapler mechanism surrounded by a casing 1<SP>1</SP>, the casing having an aperture 3 to receive articles to be stapled and a lever 2 being provided, hinged either at its front end or rear end 11 to actuate the stapler mechanism. The stapler comprises flat side panels joined by part-cylindrical upper and lower panels. The internal mechanism (Fig. 6) is substantially conventional and is reached through sliding panels, a store for spare staples being provided behind panel 4. An extension 5 is provided to actuate the magazine locking mechanism.
Patent GB-472046-A (GB)
Title: Improvements in the manufacture and construction of radio receivers
IPC: H05K7/02
Filed: 1936-03-11
Abstract: 472,046. Regulating switches. JOHNSON, G. W. (Philco Radio & Television Corporation) March 11, 1936, No. 7340. [Class 38 (v)] [Also in Group XL] The wave-range switch-coil unitis shown in Fig. 3 and is housed below the tuning condense] assembly. The unit com prises a horseshoe plate member 27 on which the coils 8 are mounted in close proximity to the switch 9. The rectified valve holder is als( mounted on a dished screening member bolted to the mains transformer as a unit ; the only exposed or external connections are thus the low-tension heater leads and the receiver anode voltage supply leads.
Patent GB-940903-A (GB)
Title: Process and apparatus for the manufacture from plastics of sealing rings for mechanical shaft seals
Inventor: KELLER ERICH
IPC: B29C33/42
Filed: 1962-02-26
Abstract: 940,903. Sealing rings. BADISCHE ANILIN- & SODA-FABRIK A.G. Feb. 26, 1962 [Feb. 27, 1961], No. 7356/62. Heading B5A. Sealing rings are formed with their sealing faces in contact with smooth lapped steel plates. The rings are moulded by injection moulding or bulk polymerization, the steel plates being incorporated in the mould. The rings may be made from a polyamide, polyethylene, polytetrafluoroethylene or polystyrene.
Patent GB-732809-A (GB)
Title: Improvements in public indicators
IPC: G09F11/06
Filed: 1953-03-18
Abstract: 732,809. Changing signs. HANDLEY, J. March 17, 1954 [March 18, 1953], No. 7430/53. Class 3 (1). An indicator of the falling leaf type comprises pivotal and rotary display elements 4 mounted in a frame adapted to be withdrawn from the display window 29 to permit the display elements to be rotatably changed and then re-positioned thereagainst. The plates 4 are pivoted to a rotary element 1, 2, 3 adapted to be driven by a reversible electric motor 26 through gears 7, 8, a selector shaft 9, a smooth wheel 6, a driving wheel 13 having a rubber rim 12, a shaft 23 and gears 27. The selector shaft 9 controls marking arrangements which energize a relay 17 to stop the shaft 9. The relay 17 is adapted to urge a member 18 into engagement with a stop-wheel 19; a detent spring 20 preventing contra-rotation of the shafts. The members 1, 2, 3, 4, 7, 8, 9, 17 and the marking arrangements form a unit adapted to be moved relative to the said windows by a rack 15 engaging a pinion 14 on the shaft 23. The indicator may incorporate a number of such units mounted side by side and actuated by common driving means. The selector shaft also actuates switching devices for controlling the setting of the plates 4. For set words, &c., a pair of leads for each plate 4 may be connected to battery and earth through a multiple contact key so that a different word is displayed on operation of one of said keys. When the shaft 9 is arrested the wheel 13 is permitted to slip between a collar 21 and a sliding flange 22 keyed to the shaft 23. The pinion 14 is gripped between a flange 24 and the flange 22, a spring 25 exerting pressure to drive both the pinion 14 and the wheel 13. The top and bottom plates 4 presented to each window each display half of the character or sign.
Patent GB-569190-A (GB)
Title: Appliances for dispensing adhesive tape or strip
IPC: B65H35/00
Filed: 1943-08-11
Abstract: 569,190. Coating webs. MASSEY, O. Aug. 11, 1943, No. 7454. [Class 140] [Also in Group XV] A device for diseasing adhesive tape or strip from a roll comprises a liquid container 2, a moistening pad 8 backed into a well 7 on the nose of the container 2 and fed therefrom through one or more apertures or slits 9 in the bottom part or flood of the well 7, a support 4 for the roll and a severing or cutting device 10 constructed and shaped so that the device may be carried and presented to the work by hand. A filling aperture 5 with a liquid-tight stopper 6 is provided for the container 2 and, instead of resting on the shaped portion 4 of the device as shown, the roll may be supported in brackets attached to the sides. A guide 12 guides the paper adjacent to the moistening pad 8, to permit its ready presentation area to the work. The upper surface of the pad may be covered by a layer of felt or like material provided with slits or cuts.
Patent GB-241789-A (GB)
Title: Improvements in or relating to non-refillable stoppering devices for bottles and similar receptacles
IPC: B65D49/06
Filed: 1925-03-19
Abstract: 241,789. Wade & Son, Ltd., G., and Wade, G. A. March 19, 1925. Bottles, non-refillable.- In a device of the kind in which a radially ribbed chamber encloses a valve with a conical projection engaging a conical recess in a fixed or movable baffle the adjacent faces of the valve and baffle are recessed whereby air is entrapped which upon cessation of pouring reacts upon the valve to assist closing. A valve a, Fig. 1 is formed with a conical projection a<1> engaging a recess b<1> preferably of a dished conical form in a fixed or movable baffle b. The baffle is centred in the casing by radial stops or lugs c<1>. In order to avoid suction the opposing faces of the valve and bottle are recessed as shown to provide air spaces to assist the action of the valve in closing. A valve seat c<4> ie similarly recessed for the same purpose. In a modification, Fig. 7, the valve is dished conically at a<xx> to coact with a conical projection on the bottle. In a further modification, Fig. 10, the pouring entry is enlarged and formed in a ring c<xx> capable of a sliding movement in a groove between the end of the casing c and a fixed ring c‹.
Patent GB-227672-A (GB)
Title: A tensioning ring for sound reproducing diaphragms
IPC: H04R7/18
Filed: 1924-03-24
Abstract: 227,672. Jenkins, r. A. E. March 24, 1924. Diaphragms. - A sound-reproducing diaphragm 4, for gramophones, telephones, &c., is mounted in a ring 5, which is initially of L- section, as shown in Fig. 1, the diaphragm being placed upon the plane portion of the ring and the other portion being then bent down upon the diaphragm to clamp it, Fig. 3. Finally, the whole ring is subjected to outward pressure, to tension the diaphragm.
Patent GB-797049-A (GB)
Title: Improvements in or relating to electric switch cases
IPC: H01H9/02
Filed: 1955-03-15
Abstract: 797,049. Releasable fastenings. IGRANIC ELECTRIC CO., Ltd. March 15, 1955 [March 26, 1954], No. 7531/55. Class 44 [Also in Group XXXVII] A switch comprises a base and a quickly attachable and detachable cover plate, latch means on the base being adapted for biasing the cover towards the base and being movable to either of two positions, in the first of which it may be slidingly engaged or disengaged by the cover and in the second of which the cover may not be removed. The cover 20 has notches 21 co-operating with base projections 12 and a handle 27 co-operating with base shoulders 13 to prevent lateral movement of the cover. The latter also has slots 22 which may be fitted over parts 31 of latch bars 30, the cover then being slid downwards in Fig. 1 to engage the notches 21 and handle 27 with the projections 12 and shoulders 13. In this position of latch bars 30, the cover may be readily detached by pulling the handle 27 forward in Fig. 1 and then sliding the cover upwards. To prevent this ready detachment, the cover has a cam track co-operating with each latch bar, each track having depressions 23, 24 and a central hump 25. The base 10 also has cut-away parts 17 corresponding to the cam tracks and accommodating parts 32 of the latch bars which may thus be rotated through 90 degrees to lock the cover. The latch bars are biased to the right, Fig. 2, by springs 35 and when the cover is slid in position the bars are cammed to the left, Fig. 2, by cover parts 23 to remove latch parts 32 from depressions 17a at the ends of cut-away parts 17. Specification 697,511 [Group XXXVII] is referred to.
Patent GB-1489469-A (GB)
Title: Venturi apparatus and method
IPC: B01D47/10
Filed: 1975-02-24
Abstract: 1489469 Venturi gas cleaning apparatus GENERAL RESOURCE CORP 24 Feb 1975 7632/75 Heading B1R A venturi gas cleaning apparatus comprises a housing 34 with a chamber 36 and having upright side walls 37, 38 joined with upright end walls 39, 41 which form a venturi throat whose length (defined) is longer than its width (defined), the side walls 37, 38 having sections 37A, 38A which converge towards the venturi throat gap 73, a gas inlet 28 and clean gas outlet 29, elongated plates 56, 67 located in the venturi throat and pivotably mounted on shafts 61, 72 so that they can move towards or away from each other to control the proportion of the length of the throat available for flow through the venturi throat gap and a hand wheel 82 on a shaft 78 having oppositely threaded worms 83, 84 of worm drives which cause shafts 61 and 72 to rotate in opposite senses when 82 is turned and thus cause 56 and 67 to alter their relative positions. The plates 56, 67 each have an elongated rib 57, 68 and a lip 58, 69. A manifold 44 with holes 47 feeds washing fluid from pipe 32 into the venturi passage. In a second embodiment (Fig. 6), each of the venturi control plates 118, 119 fits into a converging inlet chamber 102 and comprises an upper triangular body 118A, 119A and a lower lip portion 118C, 119C, the relative positions thereof being controlled by lever arms 124, 133 which rotate the plate shafts and are secured in the desired positions by nut and bolt assemblies 131, 136 acting in arcuate slots 130, 134 in a U-shaped member 129.
Patent GB-966400-A (GB)
Title: Stabilized isotactic polypropylene
IPC: C08K5/18
Filed: 1962-02-27
Abstract: Isotactic polypropylene is stabilized with di-beta-naphthyl-para-phenylene diamine + carbon black.  Optional ingredients are anti-oxidants such as 2,5-di-t-Bu hydroquinone and nickel dibutyldithiocarbamate, and pigments such as titanium dioxide and Phthalocyanine Blue and Green.  The compositions may be formed into filaments and yarns.  Specification 955,611 is referred to.
Patent GB-880495-A (GB)
Title: Pipe couplings
Inventor: HARRIS JOHN STUART
IPC: F16L19/08
Filed: 1959-03-05
Abstract: 880,495. Pipe couplings. KEELAVITE CO. Ltd. Feb. 25, 1960 [March 5, 1959 ; Oct. 26, 1959], Nos. 7691/59 and 36232/59. Class 99(1). In a pipe coupling the bore of a tubular member 1 comprises an inner part 3 for reception of a pipe end 4 with a close fit, an intermediate part 5 of larger diameter than pipe 4 in which is located a sealing ring 6. and an outer tapered part 8. A ring nut 9 co-operating with external screw threads 2 or the member 1 is formed with an internal annular flange 10 which surrounds pipe 1 and which has a frusto-conical bore 11 in which is arranged a similarly shaped split collet 12 formed internally with serrations 13 which grip pipe 4 when nut 9 is screwed on member 1. The larger end of the collet engages the adjacent end of member 1 so as to limit movement of the collet during screwing. An annular distance piece 14 is located between collet 12 and ring 6 and is slidable in part 5 of the bore of member 1, the axial length of distance piece 14 being such as to move ring 6 into sealing engagement with pipe 4 and member 1 upon assembly. In modifications an annular distance piece is inserted between the adjacent ends of collet 12 and member 1 and either surrounds or abuts the distance piece 14.
Patent GB-732594-A (GB)
Title: Improvements relating to lockers, cupboards, cabinets and the like
Inventor: HICKIN NORMAN
IPC: E05B65/02
Filed: 1953-03-20
Abstract: 732,594. Locks. EVERTAUT, Ltd. March 1, 1954 [March 20, 1953]. No. 7693/53. Class 44. Relates to metal lockers, cupboards, cabinets and the like of the kind having a hinged door fitted with a lock, the bolt of which is engageable with an aperture provided in a forwardly extending flange of a stationary frame surrounding the door. According to the invention the door carries a safety plate or bracket having a flange part spaced from the lock casing to form therewith a recess or gap adapted to receive the apertured flanged part of the frame, the flange part of the plate or bracket having an aperture therein adapted to come opposite to the aperture in the frame part and to be engaged by the lock bolt. As shown, a bracket 13 is secured between a lock 4 and the rear face of a door 3 so that a flange portion 14 of the bracket projects rearwardly of the door 3 into a channelmember 9 attached to a door frame corner post 1. The member 9 and bracket 13 are provided with apertures 7 and 15 respectively for the lock bolt 6 whereby interference with the flange portion 8 of the member 9 to prise the flange off the bolt is resisted by the flange portion 14. The bracket 13 is spot welded to the door and the lock is attached to the bracket by lugs 17 thereon which are engaged in slots in the lock casing. According to the Provisional Specification, the invention is applicable to sliding doors.
Patent GB-1241658-A (GB)
Title: Improvements in or relating to cephalosporin compounds
Inventor: EARDLEY STEPHEN
IPC: C07D501/24
Filed: 1967-08-21
Abstract: 1,241,658. 3-Substituted cephalosporin derivatives. GLAXO LABORATORIES Ltd. 6 Aug., 1968 [21 Aug., 1967], No. 7715/71. Divided out of 1,241,657. Heading C2A. Novel 7-amino and 7#-acylamino-cephalosporanic acids and derivatives (e.g. salts, esters or anhydrides) thereof, having a group -CH 2 P at the 3-position in which P is a Cl, Br or I atom or a formyloxy, isothiocyanato or haloacetoxy group, are prepared by (a) reacting the corresponding 3-CH 2 OH compound with thionyl chloride or bromide or an acid chloride or bromide (e.g. N,N-dialkyl- or N,N-diarylchloro- or bromo-sulphinamide) to give the 3-CH 2 Cl and 3-CH 2 Br derivatives respectively; (b) reacting the corresponding 3-CH 2 OH compound with phosphorus tribromide and pyridine to give the 3-CH 2 Br derivative; (c) reacting the 3-CH 2 Cl or 3-CH 2 Br derivative with alkali metal iodide to give the 3-CH 2 I derivative; (d) acylating the 3-CH 2 OH compound with a haloacetyl or formyl halide to give derivatives wherein P is haloacetoxy or formyloxy; and (e) reacting the 3-dichloroacetoxymethyl compound with potassium thiocyanate to give the derivative in which P is isothiocyanato. The reactions are preferably performed using cephalosporanic acids having a protected carboxylic group at position -4, e.g. esters thereof such as the diphenylmethyl; #,#,#- trichloroethyl or t.-butyl esters, such protecting groups being subsequently removed, if desired, by conventional methods. The preferred 7#- acylating groups are 2<SP>1</SP>-thienylacetyl, phenylacetyl or phenoxyacetyl. The inventive compounds are useful as intermediates for reaction with nucleophilic reagents to prepare 3-nucleophilic group-substituted cephalosporin antibiotics.
Patent GB-736677-A (GB)
Title: Improvements in and relating to surface treatment of metals and metal alloys
IPC: C23C8/00
Filed: 1951-04-04
Abstract: In a method of surface-treating heated metal work-pieces by diffusion of atoms or molecules from a reagent to the work-piece or vice versa, e.g. carburizing, nitriding, carbonitriding, decarburizing, alitizing and inchromizing, mechanical oscillations of supersonic frequency are generated directly in the reagent in contact with the surfaces.  The magnitudes of amplitude and velocity may be made to correspond with those of the mean thermal molecular movement of the reagent, which may correspond to a frequency of 20 kc/s. to 50 Mc/s.  The reagent may be gaseous, liquid or a solid powder; if it is gaseous it may be supplied at low pressure.  Means may be fitted in the furnace for movement of the work-pieces relative to the supersonic generator. Crystals, supersonic sirens or magnetostriction generators may be used to generate the supersonic energy.
Patent GB-526259-A (GB)
Title: Improvements in or relating to modulated carrier wave receivers
IPC: H03D3/16
Filed: 1939-03-10
Abstract: 526,259. Automatic frequency control systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. March 10, 1939, No. 7873. Convention date, March 10, 1938. [Class 38 (iv)] [Also in Group XL] Phase modulated signals are converted into amplitude modulated signals by a single piezoelectric crystal mounted in a three-electrode holder and coupled to a push-pull amplifier circuit. The output from the crystal includes two filter circuits which are arranged to give over and under neutralization respectively. By slightly offneutralizing the crystal filters, side-band effects can be produced in order to offset mixed phase and amplitude modulation due to fading. The output may be utilized to apply automatic frequency control to the local oscillator valve. As shown in Fig. 1, the signals alter passing through a frequency changer O, RFA are applied to one electrode 27 of a piezo-electric crystal 24 having neutralizing condensers 17, 19, the other terminals of which are connected to the two remaining crystal electrodes 26, 25. Resistances 2, 20 damp the primary and secondary circuits of the input' transformer 10, both circuits being tuned to the mean frequency of the signal wave. The two electrodes 25, 26 are connected to amplifiers 29, 30 which are effectively in push-pull across the input 10. The condenser 17 is normally set to over-neutralize the capacity of the crystal holder, whilst condenser 19 under-neutralizes it. The under and over neutralized outputs are fed to band-pass circuits 35, 35<SP>1</SP> respectively, these being damped by diodes 50, 52. The rectified signal is developed across resistances 48, 49 and is fed to a low-frequency amplifier 60, where it is reproduced free from undesired amplitude-variations, and from distortion due to even harmonies. The two crystal filters have characteristics of the form shown in Figs. 2a and 2e, and convert the phase into amplitude modulation by introducing side-band shifts of 90 degrees, in opposite directions relatively to the carrier-wave, these appearing in the two output circuits 35, 35<SP>1</SP> respectively, as 180 degrees apart. The differential effect produced, if the carrier frequency drifts, is used to apply automatic frequency control through a timeconstant circuit CT to a control valve M, which acts as a variable inductance in the frequencydetermining circuit of the local-oscillator valve C.
Patent GB-924079-A (GB)
Title: Laminates and process of making of the same
IPC: B32B27/00
Filed: 1960-03-07
Abstract: Compositions comprising (1) the reaction product of (a) an unsaturated fatty acid, a glyceride thereof or an ester of such acid with a mono- or polyhydric alcohol and (b) an unsaturated polycarboxylic acid or anhydride, and (2) a polyepoxide are used in the preparation of laminates (see Group VIII) and are cured by heat and pressure.  The polyepoxides may be the diglycidyl ethers of bisphenols such as bisphenol-A; the polyglycidyl ethers of novolaks; epoxidized olefins, e.g. dicyclodipentadiene diepoxide; terpene dioxides and epoxidized drying oils.  The compositions may contain polyhydric alcohols; benzyldimethylamine; trimethylamine; piperidine; organic solvents, e.g. alcohols, ketones and hydrocarbons; and other synthetic resins, e.g. phenol-aldehyde condensation products and aminoplasts.  Examples are given.