baber/WOPTO huggingface dataset:
Patent GB-1357810-A (GB)
Title: Homogeneous thermosettable composition of a polyanhydride and  a polyepoxide and method of preparation
IPC: C08F8/00
Filed: 1971-11-23
Abstract: 1357810 Polyanhydride/polyepoxide composition GULF RESEARCH & DEVELOPMENT CO 23 Nov 1971 [21 Dec 1970] 54239/71 Headings C3B B1D7 B1N1A B1N6D3 B1N6D5 B1N6D7 B1N13X and B1N16A A non-tacky, thermosettable, mouldable composition is prepared by forming a liquid solution containing (a) a polyanhydride represented by the general Formula:- wherein n is 2 to 500; R 1  and R 2  are independently selected from hydrogen, halogen, alkyl having from one to four carbon atoms and phenyl; R3 is hydrogen, halogen, a straight chain alkyl or halogenated alkyl group having from 1 to 18 carbon atoms phenyl, or a phenyl substituted with one or two chlorine, bromine, methoxy, ethoxy, or lower alkyl groups having from one to four carbon atoms; and R4 is hydrogen, chlorine, bromine or methyl when R 3  is phenyl or substituted phenyl and R4 is hydrogen when R 3  is not phenyl or substituted phenyl; (b) an olefinically unsaturated monooxirane compound containing as its only reactive group a single oxirane group and containing an olefinic double bond capable of being polymerized by free radical means; and optionally (c) an olefinically unsaturated monomer free of oxirane groups and free of reactive groups and containing at least one olefinic double bond capable of polymerization by free radical means; and polymerizing at least a portion of the olefinic double bonds of the monoxirane compound and monomer; if present, by free radical means without substantial reaction of the anhydride groups and the epoxide groups present in the mixture whereby a homogenous mixture of polyanhydride molecules, polyepoxide molecules and any unreacted monooxirane compound and monomer is obtained. In the examples glycidyl methacrylate, methyl methacrylate and styrene are polymerized in a mixture comprising 1-hexenemaleic anhydride copolymer, 2,6-ditertiary butyl-p-cresol, methyl ethyl ketone peroxide in dimethyl phthalate, cobalt naphthenate, powdered calcium carbonate, zinc stearate, glass fibres, ditertiary butyl diperoxy oxalate, cyclohexyl hydroperoxide, benzoyl peroxide, N,N- dimethyl aniline, N,N-dimethyl-p-toluidine and glass cloth. The mixture is formed into a sheet between two polyethylene films; polymerized, separated, cured between two aluminium sheets and then part-cured.
Patent GB-1404702-A (GB)
Title: Roil film camera
IPC: G03B17/56
Filed: 1973-11-22
Abstract: 1404702 Collapsible cameras FRANK & HEIDECKE GmbH [trading as ROLLEIWERKE FRANK & HEIDECKE] 22 Nov 1973 [8 Dec 1972] 54363/73 Heading G2A In a camera having two housing parts 5, 6 which slide telescopically between an open and a shut position, a battery 1 is so mounted that in the open position it is spring-urged into contact with a terminal in the camera, and the action of sliding the housing parts together lifts it away from the terminal. Fig. 1 shows the parts 5 and 6 slid apart into the operative position. The battery 1 is urged by a spring 3 into contact with the camera terminal 2, which extends through an opening in an insulating plate 4. The plate 4 has at one end a rounded part 7 which rests on an inner panel 8, and at the other end a flanged part 10 extending into a slot 11 in the housing. When housing parts 5 and 6 are pushed together to close the camera, part 5 engages flange 10 and pushes it so that the plate 4 tilts about end 7, so lifting the battery away from terminal 2, Fig. 2 (not shown).
Patent GB-1166708-A (GB)
Title: Bouncable Musical Ball
Inventor: CHAMBERLAIN ARTHUR JOSEPH
IPC: A63H5/00
Filed: 1967-12-01
Abstract: 1,166,708. Musical ball. A. J. CHAMBERLAIN. 12 Aug., 1968 [1 Dec., 1967], No. 54743/67. Heading A6S. A bouncable musical ball comprises a shell of resilient material defining a spherical envelope, a plurality of small percussion responsive sound producing ele merits 3, 7 positively located 'relative .to the shell so as to be within said envelope but in communication with the surrounding air through discontinuities 6 in said spherical envelope, said percussion means being captive with the envelope and adapted to strike said sound .producing elements on the application of shock forces to the ball, and means to augment resilience imparted to the ball by its shell. As shown, bells 3 are anchored by studs 4 to the bottom of recesses 2 regularly distributed over a PVC or rubber shell. The bells 3 may be of different weight so as to produce different notes, the weight of studs 4 being varied in order to maintain the balance of the ball. Striker 7 is supported by wires 8 connected by spring 9 to wall of recess 2. The resilience of the shell may be augmented by azo or gas trapped therein or by a resilient foam. In another embodiment, the resilient shell is constructed around a generally spherical framework of high .tensile material e.g. spring steel strip, projecting inwardly from which and anchored thereto are a number of resilient metal reels which will resonate on being struck by one or more striker elements captive in the ball.
Patent GB-1362380-A (GB)
Title: Manufacture of optical elements
IPC: B29C39/26
Filed: 1971-11-25
Abstract: 1362380 Making aspherical lens elements MULLARD Ltd 25 Nov 1971 54807/71 Heading G2J [Also in Division B5] A method of making an aspheric lighttransmissive optical element e.g. a Schmidt corrector plate, comprises supporting a light transmissive substrate 1, e.g. of glass, in proximity with a mould 6, filling the space between with a light-transmissive adhesive plastics, e.g. an epoxy or a polyester resin, having, when cast, approximately the same refractive index as the substrate, causing the moulded layer to adhere to both surfaces, and the substrate to elastically deform due to shrinkage of the plastics on cooling, Fig. 3 (not shown), optically working flat the outer surface of the substrate, Fig. 4 (not shown), releasing, the substrate with the moulded layer adhered thereto from the mould, and allowing it to deform back to form the optical element. The substrate is adjustably supported above the mould 6 by a sleeve 8. Prior to casting the mould surface is washed in mixture of warm water and detergent, cleaned with precipitated chalk, washed with deionised water, rinsed in isopropropyl alcohol, and then cleaned by ion bombardment in a vacuum chamber, and finally coated with a silicon release agent.
Patent GB-1456130-A (GB)
Title: Phonograph record eccentricity tester
IPC: G01M1/22
Filed: 1974-12-19
Abstract: 1456130 Measuring eccentricity electrically UNITED ARTISTS MUSIC & RECORDS GROUP Inc 19 Dec 1974 [7 Jan 1974] 54883/74  Headings GIN and G1U A device for and method of measuring the eccen-  tricity of grooving in a phonograph record relies on the central circular groove having the same eccentricity as that of the spiral groove. The device comprises a rotatable turn-table 13 having a pin 15 for receiving the record 11, and stylus 19, for tracking in the circular groove 16, carried by an arm 17 which may pivot about axis 18. Sensor means 23 is responsive to any pivoting to produce a first output signal the amplitude of which is proportional to the amplitude of the arm motion. Circuitry then processes this signal to produce a second output signal corresponding to the peak amplitude of the first, a display device being provided for visably displaying the second output signal. The circuitry, in the described embodiment comprises a demodulator 30, amplifiers 31, 32, a low pass, e.g. 1Hz, filter and a peak detector 34. A suitable circuit is shown in Fig. 2 but not described in the Specification. The sensor 23 may comprise a rotary variable differential transformer having a core element 24 attached to the arm 17. The display device may be a digital device and comprise a digital panel meter 36 and a circuit 37 for interrupting the input to the meter 36 at short intervals to facilitate reading thereof.
Patent GB-1136929-A (GB)
Title: Improvements in or relating to containers
Filed: 1965-12-28
Abstract: 1,136,929. Opening containers. BRITISH UNITED SHOE MACHINERY CO. Ltd. 28 Dec., 1965 [8 Jan., 1965], No. 55002/65. Heading B8D. A container has a wall 12 moulded from synthetic plastics material, in which a removable portion 26 is outlined by a score line 28, a pull tab 16 being formed integrally with, or secured to an area 30 of the portion 26 through a tear initiating means 14 having two faces (40, 42), Fig. 7 (not shown), which meet the portion 26 along the line 28. The means 14 includes a frusto-pyramidal member (14a) in which the faces (40, 42) meet at a line of intersection 43, Fig. 9. Reinforcing ribs 38 are formed adjacent the score line which may be cut partially in the upper surface of the wall 12, Fig. 4 (not shown), or wholly in the undersurface, Fig. 5 (not shown), or have a portion with opposed scores cut in both surfaces, Fig. 6 (not shown). The score line 28 has an acute angle at 32 forming a starting portion in the member 26. The removable portion 26 may be in the side wall of a cylindrical plastics container Fig. 11 (not shown); or in the side wall of a plastics container of square cross-section, Fig. 12 (not shown); or it may form a pouring opening in a conainer end wall, Fig. 13 (not shown).
Patent GB-1241309-A (GB)
Title: Improvements in or relating to blockboard
Inventor: GOH EWE BENG TONY
IPC: B27D1/00
Filed: 1968-11-21
Abstract: 1,241,309. Forms of wood. MALAYAN VENEER SEHDIRIAN BERHAD. 23 Feb., 1970 [21 Nov., 1968], No. 55281/68. Heading B5L. Blockboard comprises a flat core layer composed of parallel strips of wood of the tree Hevea Brasiliensis adhesively bonded together, and a sheet of veneer adhesively bonded to each of the opposite surfaces of the core. Hevea Brasiliensis is a rubber tree. In one method of making the blockboard timber of the tree Hevea Brasiliensis is cut into planks by a gangsaw and the planks are kilndried to a moisture content of 6 to 10% based on the dry weight of the wood. The planks are then planed and cut on a multiple rip saw into strips 5/16 to 1 inch thick and 10 inches wide. The strips are glued together side by side with their grain parallel to form a flat layer, and veneers are glued to the opposite faces of the flat layer under heat and pressure in an hydraulic press. Overlays of plastics laminate may be applied to the outer surface(s) of the blockboard.
Patent GB-1422958-A (GB)
Title: Magnetic facsimile apparatus eye covers
IPC: H04N1/00
Filed: 1972-12-01
Abstract: 1422958 Electrostatic printing MISHIMA KOSAN CO Ltd 1 Dec 1972 [9 Dec 1971] 55649/72 Heading G2H A magnetic facsimile apparatus comprises means for receiving a record medium 1 on which first magnetic signals have been previously recorded. These signals are magnetized by means 3. A movable endless transfer band 8 receives the signals from the medium 1 roller pressing means 4, 9 being used for this purpose. During this pressing operation an A.C. field is supplied through conductors 12 which in effect transfers the signals from the medium 1 to the band 8. A scanning means 13 has a recording head for recording a second magnetic signal on to the band 8 this signal being received via means 15. The means 13 also has a magnetic head for reading a magnetic latent image on the band 8 and for transmitting signals arising therefrom to an outside station via means 14. Developing means 78 use magnetic powder to develop the image on the band 8 and the developed image is transferred to a recording paper 80 whilst passing between rollers 6 and 84. The paper 80 is coated on the imaging receiving side with a bonding agent 81 prior to transfer. A heating plate 85 fixes the image on the paper 80. Unless multiple copies are required the band 8 is cleaned by demagnetizing means 92 prior to reuse.
Patent GB-1389720-A (GB)
Title: Liquid flow indicators
IPC: G01F1/52
Filed: 1972-12-01
Abstract: 1389720 Measuring fluid-flow ALFA LAVAL AB 1 Dec 1972 [3 Dec 1971 12 May 1972] 55703/72 Heading G1R In a liquid flow indicator, such as for in milking, liquid flows through an opening 3 into a chamber 2, occupied by a float 7, and out through a small annular opening 6 formed around the exterior of a conically ended pin 9 and the arrangement is such that should particles tend to block the opening 6 the incoming liquid causes the float 7 to lift the pin 9 to increase the area of the opening 6 to enable the liquid to wash the particles clear and at the same time to move a magnet 14, incorporated in the float 7 to actuate a micro-switch in circuit with an indicator lamp.
Patent GB-1493950-A (GB)
Title: Preparation of 1,8-naphthyridine-3-carboxylic acid derivatives
IPC: C07D221/04
Filed: 1974-12-24
Abstract: 1493950 1,8-Naphthyridine-3-carboxylic acid derivatives CHINOIN GYOGYSZER-ES VEGYESZETI TERMEKEK GYARA RT 24 Dec 1974 [29 Dec 1973] 55877/74 Heading C2C A process for the preparation of 1-alkyl-7- methyl - 4 - oxo - 1,4 - dihydro - 1,8 - naphthyridine-3-carboxlic acids of the general formula comprises hydrolysing a compound of the formula wherein the N-alkyl group has from 1 to 6 carbon atoms, Y is a tertiary nitrogen-containing aromatic, heterocyclic ring attached through the nitrogen atom, or a trialkylamino group, and Z is an anion. The hydrolysis is preferably carried out in the presence of an ammonium, alkali metal- or alkaline-earth metal hydroxide or carbonate or an organic amine, at a temperature of from 20 to 150 C. The starting materials are suitably prepared by the method of Specification 1,493,947.
Patent GB-1212870-A (GB)
Title: Sealing glands for sealing a bearing of a rotatable shaft
Inventor: KERR ANDREW
IPC: F16J15/34
Filed: 1967-12-08
Abstract: 1,212,870. Rotary shaft seals. FERGUSON BROS. (PORT GLASGOW) Ltd. 6 Dec., 1968 [8 Dec., 1967], No. 55913/67. Heading F2B. A stern tube gland 10 for a ship's propeller shaft 11 comprises a plate 12 secured to the stern tube 14, a forward gland ring 15 secured to the plate 12, intermediate and aft gland rings 16 and 17 respectively and resilient 0-rings 18 and 19 compressed between adjacent pairs of gland rings and urging a surface on the aft gland ring 17 into rubbing sealing contact with a ring 23 rotatable with shaft, means being provided to prevent rotation of the ring 17. The 0-rings 18 and 19 are of neoprene and have flanges 20 engaging grooves 21 in the gland rings. A wear ring 22 of P.T.F.E. fitted in the ring 17 engages the ring 23 which is secured to the propeller 24. Interengaging dogs (31, 32), Fig. 2 (not shown), on the rings 15 and 17 prevent rotation of the ring 17. The rings 15, 16 and 17 and the 0-rings 18 and 19 are split diametrically to facilitate removal and replacement.
Patent GB-1111010-A (GB)
Title: Process for the production of the antibiotic pleuromutilin
IPC: A23K20/195
Filed: 1965-04-14
Abstract: The antibiotic BC 757, also known as pleuromutilin, is prepared by cultivating Clitopilus passeckerianus (Pil.) Sing. NRRL 3100, or a pleuromutilin-producing mutant or variant thereof, in an aqueous nutrient medium containing assimilable sources of carbon and nitrogen.  The antibiotic may be isolated by conventional methods for the isolation of pleuromutilin from a fermentation broth. Pleuromutilin is a growth stimulant and may be added to animal feeds to form a feed supplement or a ready-mixed feed.  For this purpose, the dried fermentation broth may be used. Conventional feed supplements containing penicillium mycelia may be used.
Patent GB-1283088-A (GB)
Title: Carrier and fold tape for curtains or the like
Inventor: KLEIN GERARDO
IPC: A47H13/16
Filed: 1969-11-18
Abstract: 1283088 Curtain heading tapes G KLEIN 18 Nov 1969 56483/69 Heading A4B A curtain heading tape 1 comprises a base tape 2 and a narrower, cover tape 3 secured together along equally spaced transverse lines 4 to define between them open-ended pockets (5) Fig.2 (not shown) with no intermediate spacing to receive suspension hooks, the base tape 2 having reinforced longitudinal edges 6 for securing to a curtain, a reinforcing tape 7 woven into the lower edge of the pockets (5) and visible to the naked eye, and markings 8, 9 adjacent the upper and lower ends of the pockets (5) to assist in identification for particular fold patterns. The respective markings 8, 9 are regularly but differently spaced apart and may be either woven into or printed on the tape.
Patent GB-1236869-A (GB)
Title: Improvements in or relating to a feeding press
IPC: B65H20/02
Filed: 1969-11-18
Abstract: 1,236,869. Feeding webs. DR. OTTO C. STRECKER K.G., and MASCHINENFABRIK ZUM BRUDERHAUS G.m.b.H. 18 Nov., 1969 [27 Nov., 1968], No. 56486/69. Heading B8R. [Also in Division F2] In an arrangement for feeding web material, e.g. of laminated paper, from one or more supply rolls to processing apparatus such as a crosscutter, the web passes through the nip between a driven lower roller and an upper roller (Figs. 1 and 2, not shown), the lower roller being of relatively rigid construction and the upper roller 21 being constituted by a plurality of heavy discs 23 which together with adjustment rings 24 are mounted on an elastic shaft 22. The discs 23 and the lower roller may be provided with covers of elastic material, and the upper roller may be mounted on pneumatically controlled arms which can compensate for the "overhang" weight of the roller when feeding narrow webs The Specification explains how this construction enables the application pressure in the nip to be kept uniform over the entire width of the web, whereby feeding errors and relative displacement between the layers of a laminated web are eliminated.
Patent GB-1162840-A (GB)
Title: Variable Font Character Generator
IPC: B41B19/01
Filed: 1966-12-19
Abstract: 1,162,840. Cathode-ray tube display means. RANK XEROX Ltd. 19 Dec., 1966 [27 Dec., 1965], No. 56662/66. Heading G4H. Data representing for example alpha numeric characters stored in a recirculating delay line 4 (Fig. 1) is gated out under the control of logic means 5 to modulate the electron beam of a cathode-ray tube 15, the beam being applied to a photoreceptor 17, e.g. a rotating charge sensitized xerograph drum. After the delay line has been loaded incoming data is compared with the state of a counter in logic means 5, the counter being pulsed at a rate corresponding to the circulation rate of the delay line 4 which holds 84 segments of 110 bits each, so that a 7-bit digit representing a character results in one bit from each segment being gated out to control the cathode-ray tube beam. The logic 5 also controls the X and Y deflection amplifiers.
Patent GB-1256259-A (GB)
Title: Improvements relating to pneumatic circuits
IPC: F15B13/00
Filed: 1969-11-21
Abstract: 1,256,259. Fluidic circuit elements. JOUVENEL ET CORDIER. 21 Nov., 1969 [22 Nov., 1968], No. 57225/69. Heading G4P. A fluid circuit assembly is formed by mounting a number of fluid components at any required positions on a support plate 14 having a regular matrix of apertures through it, each aperture being equispaced from the apertures nearest it. Each component 10 has fluid supply nipples projecting from it and is mounted directly on the support plated or is mounted on a sub-base 12 having nipples projecting from it, the sub-base being mounted on the plate. The nipples are so spaced that they engage the apertures in the plate and project therethrough for interconnection by tubes 20. The sub-base may carry several components and have internal interconnecting passageways. A connection block 16 may be provided to connect the tubes 20 to fluid supply lines.
Patent GB-1345823-A (GB)
Title: Transportable room unit
IPC: E04B1/344
Filed: 1971-12-09
Abstract: 1345823 Convertible vehicles M F M MOISAN 9 Dec 1971 [11 Dec 1970] 57281/71 Heading B7B [Also in Divisions E1-E2] A folding hut or a caravan, which may take the form of a mobile shop, consists of a floor having pivoted thereto as at 13 two opposed side walls 2d-3d and 2g-3g respectively which in the assembled position form an overlapping ridge roof 11 releasably interconnected at 10 and sealed as shown. Each gable wall consists of gusset sections 5d, 5g and a rectangular section provided with a door or a window 7a. The hut is adapted to be assembled using jacks and winched on to a trailer for transportation or is provided with wheels see Figs. 4-7 (not shown).  Furniture such as 12d, 12g may be secured to the walls and the latter consist of a strong framework provided with panels of insulating material and a weatherproofing such as plastics coatings or aluminium cladding.
Patent GB-1189730-A (GB)
Title: Improvements in or relating to Methods of Manufacturing Hubs for Bicycles, Motor-Cycles and Similar Vehicles.
Inventor: DUBOIS AIME
IPC: B21D53/86
Filed: 1967-12-18
Abstract: 1,189,730. Making wheel hubs. A. DUBOIS. 18 Dec., 1967 [22 Dec., 1966], No. 57440/67. Heading B3A. [Also in Division B7] A method of making wheel hubs comprises forging a member 1 having a collar 1b and a tube portion 1a stamping a second collar 2, machining and trueing the forged member 1, and fitting and securing the stamped collar thereto. When making a bicycle wheel hub, machining and trueing the member 1 includes forming a passage 1d for a wheel shaft, a housing 1e for an anti-friction bearing, a reduced diameter portion 1f and a threaded portion 1g for looking in position a freewheel or pinion. The stamped collar 2 is formed with a bearing recess 2a for an anti-friction bearing and an aperture 2b corresponding in diameter to that of the portion 1f, either or both of which may be grooved. The collar 2 is secured on the portion 1f by crimping, Fig. 3 (not shown), after spoke holes 2c have been drilled in its outer flange.
Patent GB-1421916-A (GB)
Title: Gas discharge apparatus
IPC: G09G3/28
Filed: 1972-12-15
Abstract: 1421916 Multi-gap cold-cathode tubes; gas discharge display panels FUJITSU Ltd 15 Dec 1972 [15 Dec 1971] 58184/72 Heading HID [Also in Divisions H3-H5] Gas discharge apparatus comprises first support means 1 supporting on a face thereof a first electrode X3 and a control electrode X1 extending parallel to one another, which arrangement is covered by a first dielectric layer 2, and second support means 3 supporting, on a face thereof that confronts the said face of the first support means, a second electrode Y extending transversely with respect to the first and control electrodes, in crossing relationship thereto, and covered with a second dielectric layer 4, there being a discharge gas confined in a discharge space 5 between the confronting faces of the first and second support means, and voltage supply means connected electrically to the electrodes and operable to establish between the first and second electrodes X3 and Y a working voltage such that a discharge can thereby be produced between those electrodes in dependence upon electrical discharge control conditions (applied control voltage or actual discharge) established by the voltage supply means between the control and second electrodes X1 and Y. A second control electrode X2 may be provided. The electrode arrangement may be operated as a logic AND, OR, NOT, NOR or NAND circuit or as a flip-flop circuit (see Divisions H3-H5) in either a discharge or non- discharge mode. Coupling between adjacent gaps by flow of wall charges may be assisted by providing a resistance film on dielectric layer 4 covering electrode Y. A plurality of the above-described electrode arrangements may be combined to form a plasma display panel (Fig. 2) in which electrodes A, B and C correspond to electrodes X1, X2 and X3 respectively. The electrodes are connected in groups as shown to enable n x m discharge gaps to be addressed from n + m terminals. The number of gaps addressed from the same number of terminals can be doubled by using an additional group of C electrodes (shown dotted). In a further embodiment (Fig. 5, not shown) the Y electrodes are connected in the same way as the A and B electrodes in Fig. 2. The gas filling may be 95 % Ne and 5% N 2