baber/WOPTO huggingface dataset:
Patent GB-724059-A (GB)
Title: Radio navigation systems
Inventor: ASHTON JOHN HENRY
IPC: G01S1/02
Filed: 1953-12-03
Abstract: 724,059. Radio navigation. MINISTER OF SUPPLY. Dec. 3, 1953 [Dec. 4, 1952], No. 30773/52. Class 40 (7). An overlapping beam beacon has means for modulating a first carrier frequency with a modulation frequency to produce two sideband frequency signals which are radiated one on each of the overlapping radiation patterns and also means for radiating a second carrier frequency signal differing from the first by a frequency other than the modulation frequency. In one embodiment an oscillator 3 provides the first carrier signal which is modulated at 6 with the signal from oscillator 8 (say 30 c/s.) and the carrier suppressed. The side-band signals are radiated by antenna M and also, after a 180 degrees phase shift at 10, by spaced aerial N. Oscillator 8 also feeds balanced modulator 7 through 90 degrees phase shifter 9 to produce a second pair of sideband signals of the same frequencies which are radiated by antenna O midway between antennae M and N. The radiations are arranged to be of such amplitudes that two overlapping patterns as shown at 13 and 14 are produced, one being the lower and one the upper sideband frequency pattern. There is also radiated omnidirectionally from the antenna O (pattern 15) the second carrier frequency signal which differs from the expressed carrier by the frequency of oscillator 5 (120 c/s) and is produced in oscillator 1 and maintained at this frequency separation by the operation of mixer 2 and discriminator 4. At the receiver, beats between the second carrier frequency and the sideband signals provide two signals of different frequencies-90 c/s. and 150 c/s. with the frequencies given-which may be compared in amplitude to indicate the extent, if any, to which the receiver lies to the side of the equisignal line. Other means of generating the signals required may be used, for example constantly rotated gomometers.
Patent GB-446286-A (GB)
Title: Improved method and apparatus for forming plastic materials into cylinders of predtermined length and diameter
IPC: B26D3/16
Filed: 1934-10-26
Abstract: 446,286. Moulding cylinders of plastic material. IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, London.-(African Explosives & Industries, Ltd. ; Hollard Street, Johannesburg, South Africa) Oct. 26, 1934, No. 30814. [Class 87 (ii)] Relates to forming plastic or gelatinous material such as explosives into cylinders of predetermined length and diameter. A length 6 of the material is extruded from a nozzle 5 on to a shelf 4. Cutters 7, 3 on a rotating drum 1 then cut the material against the nozzle and a fixed abutment 9 and move the length of material into an annular space between the drum and a shield 2 approximately concentric with the drum. The material is thereby rolled to the required diameter and its ends are trimmed by wires 10, 11 carried by the shield. Specifications 417,598, [Group XVII], 423,940, and 432,976, [Group XVII], are referred to.
Patent GB-759751-A (GB)
Title: An optical inspection device
Inventor: BIGGS RAYMOND HENRY
IPC: G02B21/00
Filed: 1950-12-18
Abstract: 759,751. Optical gauging. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. Dec. 17, 1951 [Dec. 18, 1950], No. 30828/50. Class106 (2). [Also in Group XX] A device for inspecting the profile of a chosen cross-section of an elongated object viewed in a direction substantially perpendicular to the section plane comprises one or more illuminating devices for illuminating the object wholly around the section, the device, or each device, including an obturator for producing a sharp cut-off of the illumination at the plane. As shown, Fig. 1, the base 1 supports a bracket 2 for the objective 3 and a bracket 4 for the ring 5 on which lighting units 6, 6a, 6b, 6c are mounted. Each lighting unit, Fig. 3, has a base carrying three levelling screws 16 bearing on the ring 5 and a stirrup passing behind the ring 5, through its aperture, and carrying a clamping screw to hold the unit in position. Alternatively, the unit may be secured magnetically. The base carries the housing 7 for the lamp 9 and a tube 10, slidable but clamped by a screw 14 containing lenses 12 and a diaphragm 11 which obscures one half of the field. Alternatively, the two halves may be differently coloured by a filter. The holder, Fig. 6, for a workpiece such as a turbine blade 38, has a detachable jaw 18 and a pivoted jaw 19 spring- loaded by a plunger 21. The holder is secured by a stem 17a in a member 24a, Fig. 1, rotatable by a knob 32 with scale 33, about a horizontal axis in a carrier 24 vertically adjustable by a handle 25 in a bracket 26. The latter is carried on a vertical pivot 27 on a saddle 28 movable transversely by a hand wheel 30, on a saddle 29 movable on slides 1a on the base 1 by a hand wheel 31. The light beam from the lens 3 is reflected by a mirror 35 on to a screen 36 which may carry an outline of the correct profile. Auxiliary lighting may be used to render the outline visible if it falls in the shadow of the projected image. A somewhat simpler embodiment is also described wherein the lighting units are carried on a part-circular member instead of a complete ring, the plane of this member being perpendicular to the projection axis which is inclined upwardly relatively to the base. Specification 759,815 is referred to.
Patent GB-941176-A (GB)
Title: A cutting device for comminuting foodstuffs
IPC: B26B25/00
Filed: 1962-08-13
Abstract: 941,176. Hand cutters for foodstuffs. H. KOCH, and V. KOCH, [trading as RITTERWERK F. RITTER & SOHN]. Aug. 13, 1962 [Aug. 28, 1961], No. 30904/62. Heading A4C. In a hand device for comminuting foodstuffs at least one of a plurality of disc cutters 2 on a cutting cylinder 1 is provided with notches 2a distributed over its periphery which serve to hold down the food being cut. All or alternate disc cutters may be notched and the notches may be staggered in respect of their angular positions The notches may also extend over angular zones of from 10 degrees to 90 degrees and be so close together as to provide a serrated, sawtooth-like edge to the cutter disc in these zones (Fig. 2 not shown). The cutters may be steel discs fused into the preferably thermoplastic cylinder 1 which is provided with a central hollow shaft to receive a detachable spindle 6 passing through reinforcements 5 in the sides 4 of a casing 3 and locked in position as shown. A stripper plate 12 is provided to prevent the disc cutters from becoming clogged.
Patent GB-1262166-A (GB)
Title: Production of ethylene by cracking heavy hydrocarbons
IPC: B01J8/38
Filed: 1969-06-19
Abstract: 1,262,166. Ethylene by thermal cracking in a fluidized bed. BADISCHE ANILIN- & SODAFABRIK A.G. 19 June, 1969 [20 June, 1968], No. 31063/69. Heading C5E. Ethylene is produced by cracking heavy hydrocarbons in a fluidized bed, wherein heat required for the cracking is supplied by heating surfaces located in the fluidized bed and forced circulation of fluidized material is produced between the upper zone of the bed (cracking zone) and the lower zone in which ascending solids are heated up, downwardly migrating solids being reintroduced by means of steam at one or more places below the heating surfaces in the fluidized bed. The solids circulation rate is regulated to maintain a cracking temperature, e.g. 700-800‹ C., in the fluidized bed. The migrating solids may flow downwards through channels located inside or outside the bed or through an annular gap. The heating surfaces may be horizontally or vertically arranged pipes heated by passing flue gas therethrough. The fluidized bed may be provided with a grid or the solids distributed uniformly solely by arrangement of the heating surfaces without using a grid.
Patent GB-743130-A (GB)
Title: Improvements relating to clamps
Inventor: GAMBLE GILBERT TOWNLEY
IPC: A61G13/12
Filed: 1952-12-08
Abstract: 743,130. Clamp fastenings. ALLEN & HANBURYS, Ltd. Oct. 26, 1953 [Dec. 8, 1952], No. 31071/52. Class 44. A clamp comprises a slide 1 adapted to be attached to a fixed support, inner and outer clamping members 4, 5 adapted to clamp a rod or the like between them and rotatably mounted on the slide, means 14 for holding the clamping members in a desired angular position, means 15 for holding the slide against movement on its support, a locking screw 3 adapted to tighten the clamping members against the rod or the like and also to apply both holding means and a pivot pillar 9 on the outer face of the inner clamping member and engaged in a recess 10 on the inner face of the outer clamping member, which recess is larger than the pillar so that the outer clamping member can tilt or pivot on the pillar when the locking screw is tightened. Each of the members 4, 5 has a part-cylindrical recess 6, 7, the two recesses being arranged opposite each other to receive the rod to be clamped. The two members are connected together near their peripheries, so that they can pivot towards each other, by the pivot pillar 9 which is screwed into a bore 8 in the member 4, a screw 12 engaging the pillar 9 to retain the member 5 on the pillar. The face of the member 4 adjacent the slide 1 has a circular recess 13, the wall of which tapers inwardly and the means 14 which is an annular member having a tapering peripheral wall and the overall diameter of which is slightly greater than that of the recess 13, is positioned in the recess 13, so that when the locking member 3 is screwed into the slide the member 14 is forced into the recess with its tapering wall wedging against the tapering wall of the recess. The means 15 which are studs, project from the larger face of the member 14 through recesses 16 on the slide 1. When the locking member 3 is screwed into the slide 1, the members 4, 5 are urged together so that the rod is clamped in the recesses 6, 7, the studs 15 are forced into engagement with the bar to lock the slide I in position and the tapering walls of the member 14 and recess 13 are forced into contact to lock the members 4 and 5 against rotation relative to the slide 1.
Patent GB-248331-A (GB)
Title: Improvements relating to the construction of coke ovens
IPC: C10B25/06
Filed: 1925-12-09
Abstract: 248,331. Beckers, A. Feb. 25, 1925, [Convention clate]. Walls.-The masonry fronts of coke ovens are covered and rendered gastight by having two angular cast frames b, c arranged at the front end of each heating wall a and connected together by bolts k and a wrought-iron plate d having expansion bends e. Between this plate and the masonry is provided a filling f of ash, sand or the like. The stays g, h extend in front of but are not connected to the covering b, c, d so that the closure is not affected by the expansion of the stays.
Patent GB-867941-A (GB)
Title: Improvements in collapsible container
IPC: B65D33/38
Filed: 1958-09-30
Abstract: 867,941. Collapsible containers. UNITED STATES RUBBER CO. Sept. 30, 1958 [Nov. 12, 1957], No. 31137/58. Class 66. [Also in Groups XXV and XXVIII] A collapsible container 10 of flexible material e.g. layers of cord fabric, is formed at its ends with conical portions 11, 12 the vertices of which are spaced laterally of the container. The container ends are closed by clamps 15, and are provided with a filling opening 14 and an opening 14a, Fig. 3, which may be used for pressurizing the container. The clamps 15 may be in the form of two rigid end-plates hinged at the apex 13 or a number of clamps may be used so permitting individual movement of the clamps. The angle at the apex 13, preferably one of 165 degrees, may be rounded off by a fillet. A loose lining 18 may be used. The container is designed to carry liquids and gases, and is especially suitable for viscous liquids e.g. molasses. Emptying may be carried out by suction through the opening 14 or by air pressure introduced through the opening 14a.
Patent GB-1195585-A (GB)
Title: Preparation of Calcium Sugar Phosphates
IPC: C07H11/04
Filed: 1967-07-06
Abstract: 1,195,585. Calcium sugar phosphates. STAUFFER CHEMICAL CO. 6 July, 1967 [2 Feb., 1967], No. 31180/67. Heading C2C. Calcium sugar phosphates are prepared by introducing phosphorus oxychloride into a reaction solution comprising a sugar, water, and a calcium oxy-compound selected from calcium oxide, calcium hydroxide and calcium carbonate, the solution being maintained at a temperature between -10 and 30 C. The POCl 3  is preferably added slowly with agitation of the solution. The product may be recovered by spray-drying. Specified sugars are sucrose, galactose, arabinose, ribose, xylose, maltose, lactose, raflinose and glucose.
Patent GB-1242016-A (GB)
Title: Apparatus for regulating the thickness of a block being moulded on an automatic concrete block moulding machine
IPC: B28B17/00
Filed: 1969-06-19
Abstract: 1,242,016. Maintaining constant height of concrete blocks. SCHLOSSER & CO. G.m.b.H. 19 June, 1969 [21 June, 1968], No. 31196/69. Heading B5A. Pressed concrete blocks of constant height are made in a machine having a switch which switches off the machine attached to the pressing member and an actuating rod for the switch attached to the mould. As shown, the mould 5 is mounted on a platen 4 resting on vibratory table 3 supported by rubber buffers 2 and can be moved vertically by holding pins 6 and guide bushes 7 on posts 8 for removing a pressed block from the mould. The pressing member comprises a loading plate 9 with thrust plates 10 connected to it by thrust rods 11. A vertically adjustable measuring rod 17 is mounted on a rim flange 16 of the mould 5 and co-operates with a switch 20 on the loading plate 9 to deactivate the loading plate when the desired block height h is attained. In an alternative embodiment the measuring rod is formed from an insulating material and carries a metal plate which shorts the two poles of a switch when the desired block height is attained.
Patent GB-911735-A (GB)
Title: Improvements in and relating to change-speed hubs for bicycles
IPC: B62M11/14
Filed: 1960-09-09
Abstract: 911,735. Change-speed gear; ratchet clutches. FICHTEL & SACHS A.G. Sept. 9, 1960 [Oct. 10, 1959], No. 31210/60. Class 80 (2). In a cycle-hub wherein a simple sun-ring train with permanently fixed sun 12, provides reduced-, over-, and direct-drive by axial movement of a single input clutch member formed on a clutch sleeve 3 having external splines 4 slidably and permanently engaging internal splines 5 in the input sprocket hub 2, the clutch member has teeth 6 selectively engageable with teeth 7, 21, respectively, fast with a planet carrier 10 and ring-gear 14. In the extreme right position of the sleeve 3, the sides of the teeth 6 act through a projection 22 to hold a pawl carrier 15 rotatable with the ring gear 14 right against the action of a spring 26. Pawls pivoted to the carrier 15 are thus held to the right out of engagement with a ratchet 17 on the wheel hub 19, whilst the teeth 6 on the sleeve 3 mesh teeth 21 on the ring gear 14 which imparts reduced drive to the wheel hub 19 through the planet gear and a ratchet clutch 28. In the central position of the sleeve 3 its teeth 6 remain in engagement with the ring gear teeth 21 but the pawls on the carrier 15 are engaged with the ratchet 17 for direct drive. In the extreme left position of the sleeve 3 (shown), the teeth 6 release the ring gear teeth 21 and mesh teeth 7 on a ring 8 fast with the planet carrier 10 which overdrives the wheel hub 19 through the ring gear 14 and ratchet clutch 17. The sleeve 3 is shifted through a thrust block 30 against the action of a spring 32.
Patent GB-341514-A (GB)
Title: Moulds in which to form-up glassware
IPC: C03B9/33
Filed: 1929-10-15
Abstract: 341,514. Moulds for making glassware. HAILWOOD, E. A., Beacon House, Texas Street, Morley, near Leeds. Oct. 15, 1929, No. 31221. [Class 56.] A mould for blowing glassware is so constructed t h a t parts of it may beseparated longitudinally leaving a circumferential gap through which a portion of the glass may be blown out to form a thin ring. This ring can be broken to separate the articles formed in the mould and leave them with edges having the shape of the gap. In the construction shown in Fig 1, the mould consists of a solid lower part A<1>, and an upper part A composed of hinged sections. The joint G between the two parts may have a serrated edge, as shown, and the two parts may be moved to or from one another by a pedal F. When a parison is being blown, the two parts of the mould are in contact with one another. As soon as the article is blown, the two parts are separated and further blowing causes a ridge of thin glass to be formed in the gap. The mould may also be constructed to form two different articles, such as a tube and a tumbler. In another construction shown in Fig. 3, an article, such as a jug, may be blown in a mould having a cavity Jl to form a handle, two plugs being arranged to squeeze in or puncture the glass at the part J<3>. In another construction, a ring may be fitted to the neck of the mould and opened out, or moved upwards, to allow the glass to be blown into a thin ridge.
Patent GB-1396504-A (GB)
Title: Production of gramophone records
IPC: B29C43/02
Filed: 1971-07-05
Abstract: 1396504 Moulding gramophone records EMI Ltd 28 June 1972 [5 July 1971] 31316/71 Heading B5A A gramophone record moulding apparatus comprises an in-line assembly having in sequence a shot forming station 3, 4; a record pressing station 5, 6, 7, 8; a trimming station 9, 10 and a stacking station 12. At the shot forming station the top and bottom of the mould cavity is defined by the outermost labels in magazines 3, 4, Fig. 4, and the front members 21a, 21b of the cavities. As the magazines move apart the outermost labels stick to the shot which is gripped by opposed grippers, preferably of PTFE, carried by a reciprocable sled 1. At the pressing station the labelled shot is held by a punch which actuates a hole punching and sensing means to detect the presence of a shot at the station and to prevent closure of the matrices if no shot is present. A pair of opposed flash receiving members on the sled 1 and having a limited vertical travel, separate the record from the matrices and move it to the trimming station where the flash is cut by motor driven cutters. In a modification the shot moulding cavity is defined in part by parts which, when the cavity has received a predetermined volume, move apart slightly to actuate a mono-switch and stop the extruder motor.
Patent GB-895593-A (GB)
Title: Improvements relating to the manufacture of ion-permeable membranes
Inventor: KRESSMAN THEODORE ROGER ERNEST
IPC: C08J5/22
Filed: 1957-10-07
Abstract: In manufacturing a membrane selectively permeable to ions of a given sign, paper is soaked, e.g. for 12 hours, in a solution of either the constituents of, or a partially condensed ion exchange resin, removed therefrom, and then heated to cure the resin; the procedure is effected at least twice.  A suitable impregnating solution comprises sodium phenol sulphonate, phenol, sodium hydroxide and 37% formalin and is preferably diluted for the second and subsequent impregnations.
Patent GB-1087845-A (GB)
Title: Improvements in and relating to cavityless-casting patterns
Inventor: BUTLER ROGER DAVID
IPC: B22C7/02
Filed: 1963-08-08
Abstract: 1,087,845. Patterns, method of making. GRUNZWEIG & HARTMANN A.G. Aug. 7, 1964 [Aug. 8, 1963; Aug. 28, 1963], Nos. 31396/63 and 33998/63. Heading B3F. [Also in Division B5] In a method of forming a pair of cavityless-casting patterns one of which is the negative of the other, e.g. for casting a pair of press tools for pressing vehicle wings, a model 1 is made to the desired shape, a plaster of Paris mould 4 is made from the model 1 and then separated therefrom to leave a space between the mating surfaces 2, 5. This space is filled with a cold-setting or thermo-setting cavitylesscasting pattern-forming material which sets in the said space to form a pattern 8 which is subsequently divided along a plane 7 to produce the pair of patterns which are then used to cast the two mating parts of the press tool. The cavityless-casting pattern-forming material may be low density polyurethane foam-forming ingredients which foam and cure to the shape of the space; foamed combustible material mixed with a combustible binder; pre-foamed polystyrene particles in an aqueous emulsion of polyvinyl acetate; or microballoon phenolic spheres in a synthetic resin binder.
Patent GB-1449551-A (GB)
Title: Pressure-responsive electric switch device for pneumatic tyres
IPC: G01L17/00
Filed: 1974-07-16
Abstract: 1449551 Tyre pressure indicators BRIDGESTONE TIRE KK and MITAKA INSTRU. MENT CO Ltd 16 July 1974 [20 Sept 1973 (2)] 31498/74 Heading B7C [Also in Division H1] A pressure-responsive switch for attachment to the valve of a pneumatic tyre to monitor the pressure, comprises an axially movable rod 21, Fig. 3, slidable in a two-part cylindrical housing 11, 13 and urged against a diaphragm 15 in communication with the tyre pressure by a conical compression spring 23. In one example a ring contact 26 yieldably urged against a shoulder 27 on the rod 21 by a coil spring 28 engages a pair of part annular fixed contacts 30 mounted in a housing part 11 whereby the ring 26 bridges the circuit to operate a warning device in the event of a drop in pressure. The contacts 30 may be backed by magnets 36 to provide some snap-action at contact engagement. Pressure adjustment is obtained by a threaded coupling between the housing parts 11, 13 using a threaded internal tube 14. In a modification the threaded internal tube 56, Fig. 5, forms the fixed contact of the switch and is grounded through a conductive tubular casing portion 55 threaded to the tyre valve. The movable contact 66 is urged against a shoulder 67 of the plunger rod 63 by the conical spring 65. Pressure adjustment is obtained by a threaded head 53 which forms a conductive seat for the spring 65. In this embodiment an end 68 of the plunger 63 extends through the threaded head 53 and has graduations 69 whereby the tyre pressure can be visually monitored.
Patent GB-429478-A (GB)
Title: Means for detecting the movement or speed of the rotor of an induction motor
IPC: G01R31/34
Filed: 1934-11-02
Abstract: 429,478. Motors; R÷ntgen-ray apparatus. MULLER AKT.-GES., C. H. F., 24, R÷ntgenstrasse, Hamburg, Germany. Nov. 2, 1934, No. 31502. Convention date, Nov. 3, 1933. [Class 35] In an induction motor having star-connected stator phase windings two of which are connected directly and the third through a condenser 5 to a single phase supply 2, 3, the condenser is shunted by a voltage indicator 6 whereby movement of the rotor 7 is detected. The invention is based upon the increase of voltage across the condenser when rotation commences and the indicator may comprise a glow discharge lamp which lights up at the increased voltage. A potentiometer may be connected across the condenser, the glow discharge lamp being connected thereto by fixed and adjustable contacts so that it glows when the rotor starts or is rotating at a desired speed. The invention is specially applicable to X-ray tubes having anodes rotated by external windings wherein it is difficult to detect the movement of the rotor. In such an application, the potentiometer resistance 11 may be wound around a cap 10 partly enclosing the lamp 9. A ring 12 surrounding the cap carries a contact 15 making a sliding connection with the resistance wire whereby rotation of the ring varies the potential applied to the lamp. The apparatus may be mounted on the X-ray tube or on the switchboard.