baber/WOPTO huggingface dataset:
Patent GB-978241-A (GB)
Title: Fluorinated dinitriles
Filed: 1962-05-04
Abstract: The invention comprises the compounds of formula NC(F)C=C(X)CN, where X is F or Cl, and their production by reacting 1,2-dichloro-1, 2-cyanoethylene with an alkali metal fluoride or alkaline earth fluoride in the presence of an inert organic polar solvent at about 140 DEG -250 DEG C., and removing the desired reaction product substantially as soon as it is formed. Specified fluorides are KF, NaF, CaF2 and BaF2; specified solvents are tetramethylene sulphone and tetraethylene glycol dimethyl ether.  The reaction gives mixtures of cis and trans forms of the two compounds; distillation separates the difluorofrom the chlorofluoro-compound.  The compounds of the invention are pesticides (see Division A5) and form polymers (see Division C3).ALSO:Compounds of the formula NC(F)C=C(X)CN where X is F or Cl (see Division C2) are said to copolymerize with styrene, a -methylstyrene, methyl methacrylate and acrylonitrile.ALSO:Fungicidal compositions comprise a compound of the formula NC(F)C = C(X)CN, where X is F or Cl (see Division C2) in admixture with an inert carrier, such as water or a finely divided solid. The compounds of the above formula are also stated to be of use as aquatic herbicides.
Patent GB-1529112-A (GB)
Title: Transversal filter arrangements incorporating semiconductor charge transfer devices
IPC: H03H15/02
Filed: 1977-04-29
Abstract: 1529112 Transversal filter GENERAL ELECTRIC CO Ltd 29 April 1977 [29 April 1976] 17480/76 Heading H3U A transversal filter comprises a plurality of charge transfer devices 2, 3, 4, 5 in cascade and between each a regenerating circuit 6, 7, 8 which applies to the input of the following device a signal which has a magnitude equal to one of a set of predetermined magnitudes and chosen in dependence on the magnitude of the output of the preceding device. The fractions of the charges in the different elements of the several devices are summed 18. The regenerating circuit preferably does not invert the signals to permit simple cascading. The charge transfer devices may be CCD or bucket brigade types. The filler thus can have many more sections than usual because the inevitable degradation stage by stage of the charge packets is cancelled by the regeneration. The whole filter including integrators 16, 17, and an input clipper 1 if required, can be integrated in one structure (not shown).
Patent GB-298598-A (GB)
Title: Improvements in or relating to electric welding
IPC: B23K35/02
Filed: 1928-06-16
Abstract: 298,598. Dworzak, F. Oct. 12, 1927, [Convention date]. Uniting by fusion.-Metallic arc-welding electrodes are provided with one or more cores of substances for reducing the welding voltage and giving the weld the necessary properties by introducing the cone into an ingot or billet, which is then worked up to desired size. Such cores may consist of 80 per cent CaO, 10 per cent borax, 5 per cent CaF2, and 5 per cent of FeSiO3, or 13 per cent of MnO2, 85 per cent of CaO, and 2 per cent of SiO2, or 15 per cent of FeSiO3, 50 per cent of CaO, 10 per cent of SiO2, 10 per cent of CaF2, 10 per cent of NaCl, and 5 per cent of chrome iron ore. The cores may be inserted in the bore of a billet prior to rolling it down into an electrode or may be rammed into a tube on to which the billet is cast.
Patent GB-571787-A (GB)
Title: Improvements in variable permeability tuning arrangements
IPC: H03J3/28
Filed: 1943-10-25
Abstract: 571,787. Permeability tuning; superheterodyne circuits for wireless reception. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Oct. 25, 1943, No. 17502. Convention date, Oct. 24, 1942. [Class 40 (v)] [Also in Group XXXV] A permeability tuning arrangement comprising two or more circuits variably tuned by a unitary control to differing but related frequencies which may be included in a superheterodyne receiver comprises coils which may be of similar construction as regards winding length, coil diameter and wire sizes but have differing winding pitches. The Figure shows a coil arrangement in which tuning cores 5, 7 and coil formers 11, 12 are used. The winding 3, which may be in the signal circuit, is of smaller pitch than the winding 6 in the oscillator circuit. The cores are conjointly operated by screwadjusting devices 16, trimmer adjustments 15 being provided. In this arrangement twopoint tracking is obtained. Tracking at additional points may be secured by the provision of a shunt condenser or condensers connected across one or more tappings on the coils preferably on the coil with the larger winding pitch. The oscillator may have the larger or the smaller winding pitch according as the oscillator frequency is above or below the signal. In a modification, Fig. 1A (not shown), band-spread by the use of an auxiliary series coil as described in Specification 571,858 is used. In this arrangement the pitch of the oscillator coil will depend on (1) the signal frequency range, (2) the intermediate frequency, (3) the size of the band-spread coil relevant to the oscillator coil, and (4) the extent of the spread bands. The Specification gives curves showing the relation between the pitch and the effective permeability but in the case of band-spreading by an auxiliary coil the final oscillator coil pitch is empirically determined. Specifications 546,248 and 549,459 also are referred to.
Patent GB-102617-A (GB)
IPC: B65D81/38
Filed: 1916-12-06
Abstract: 102,617. Thermokept Products Corporation, (Assignees of McColl, F. P.). Dec. 6, 1915, [Convention date]. Cold and heat retaining vessels.-A container for food products &c. comprises an outer air-tight can or like vessel 1, within which is a vessel 2 preferably made of a non-conductor of heat. The vessels 1, 2 are spaced apart by the flanges 5 of the ends 3, 4, and both vessels are exhausted of air. The vessel 2 may be made of corrugated material, or may itself be an hermetically sealed can.
Patent GB-222584-A (GB)
Title: Improvements in and relating to railway vehicles
IPC: B61C11/06
Filed: 1923-07-06
Abstract: 222,584. Enock, C. R. July 6, 1923. Propelling by means other than adhesion driving-wheels and racks, aeroplane attachments for reducing load on wheels.--A railway vehicle a propelled by an air-screw b driven by a selfcontained motor, and having planes c is provided with flangeless wheels e, horizontal guide wheels g and vertical or inclined detaining wheels h. In addition safety skates k with or without rollers, may be provided for engagement with the top and edge of the rails. The vehicle is preferably of stream-line form as described in Specification 222,554.
Patent GB-1240593-A (GB)
Title: Tread surface for pneumatic tyres
IPC: B60C11/03
Filed: 1969-04-03
Abstract: 1,240,593. Pneumatic tyres. CONTINENTAL GUMMI-WERKE A.G. 3 April, 1969 [24 April, 1968], No. 17531/69. Heading B7C. A pneumatic tyre tread surface has several circumferentially extending zig-zag grooves 5, the side surfaces 7 of which are inclined at angle α to the normal to the tread surface. The angles α in successive sections 6 of each groove are inclined in opposite directions from each other. The axially adjacent sections of different grooves also have their angles of inclination in opposite directions.
Patent GB-1477433-A (GB)
Title: Hose construction and method of making same
IPC: F16L11/112
Filed: 1975-04-28
Abstract: 1477433 Curing a corrugated, reinforced pipe DAYCO CORP 28 April 1975 [11 July 1974] 17570/75 Heading B5A [Also in Division F2]  A method of making a hose construction having axially spaced convolutions comprises forming an elastomeric base tube 15, applying a reinforcing layer 20 concentrically around said base tube, applying an elastomeric cover tube 16 around said layer semi-curing said assembly, placing said semi-cured assembly in a mold device having axially spaced convolutions comprising its wall means, and final forming and final curing said semi-cured assembly by urging said assembly against said wall means while subjecting said assembly to a controlled environment to form said axially spaced convolutions in said .hose construction defined by alternating crests and troughs; the crests andtroughs produced are of a predetermined wall thickness due to said semi-curing step preceding said final forming step. The base tube is formed by an extrusion process and the reinforcing layer is knitted around the said tube which is supported by a pressurized fluid. The cover tube is extruded over the reinforcing layer using a cross-head extruder. The semi-curing is achieved at a temperature of about 275‹ F. for a time of about 10 minutes and the final curing step is achieved using internal steam at a temperature of about 335‹ F. for a time of about. 10 minutes with the mold surface being heated to about 315‹ F. A helical spring wire (27) Fig. 2 (not shown) is inserted inside the hose as a reinforcing member. Preferably the layer 20 is applied as a single layer of 2200 denier rayon in a knitted lockstitch with 8-9 courses per inch, or from any suitable material including natural fibres and synthetic fibres, including fibreglass. The elastomeric material could be a natural or a synthetic rubber. Such materials include natural rubber, rubber-like butadiene-styrene and butadiene-acrylonitrile copolymers, neoprene, other rubber-like butadiene polymers and copolymers, and copolymers and terpolymers based on ethylene and propylene. Vulcanizable rubbers are compounded so that they may be cured or vulcanized under heat using sulphur or other known agents, depending upon the specific material.
Patent GB-920972-A (GB)
Title: Improvements in milling apparatus
IPC: B02C9/00
Filed: 1959-05-22
Abstract: 920,972. Reciprocating sieves. GENERAL MILLS Inc. May 22, 1959 [May 22, 1958], No. 17575/59. Class 117. [Also in Group I] In apparatus for milling and sifting grain &c. pairs of milling machines and reciprocable sieves are supported, in stacked, alternating relationship, by a frame 10, Fig. 1, comprising a central portion 12, having at least two pairs of vertical columns 18 and 20, and end portions 14 and 16, each having at least one pair of vertical columns 22, 24. Two milling machines 100, 102, constituting a first pair, are supported at the head of columns 18 and 20 and receive equal amounts of the same or different grain &c. Second and fourth pairs of milling machines 112, 114 and 120, 122 are mounted on the outer sides of columns 22 and 24 and a third pair 116, 118 is mounted on the inner sides of columns 18 and 20. Immediately below the first pair of milling machines, two reciprocable sieves 32, 34 are pivotally slung, end-to-end on hangers 68, 72, from brackets 70, 74, to receive millings from the outlets 108, 110 of the said machines. The sieves are reciprocated, in balanced opposition to each other, by two eccentrics mounted, 180 degrees out of phase, on a rotating shaft 48; rods 82 and 90 of the eccentric straps 86, 88, Fig. 3, being pivoted to the adjacent inner ends of the sieves. Pairs of similarly reciprocating sieves 36, 38; 40, 42 and 44, 46 are likewise slung below the second, third and fourth pairs of milling machines. Each sieve has an inlet 80, Fig. 2, and at least one screen 76. Tailings, which do not pass through the screens, are discharged, through outlets 94, into the milling machines located immediately below the sieves. Final tailings leave the sieves 44 and 46 through outlets 123. Millings passing through the screens are discharged through intermediate outlets 96, 97. Specification 2508/1867 is referred to.
Patent GB-809331-A (GB)
Title: Improvements in or relating to direction indicators, for example for vehicles
Inventor: DODDS RALPH GORDON
IPC: B60Q1/38
Filed: 1955-06-17
Abstract: 809,331. Road-traffic signals on vehicles. SIMMS MOTOR UNITS Ltd., DODDS, R. G., and ROBINSON, E. L. June 13, 1956 [June 17, 1955], No. 17623/55. Class 118 (2). A direction indicator comprises two differently shaped elements with means to illuminate them alternately so as to produce the illusion of movement in the direction from one to the other. A box-like casing is divided into two portions by a light-tight partition placed about one quarter of the length of the box from one end thereof. Each portion has a red or amber translucent arrow in one face, the length of the tail part being about four times the length of the head part in one and only about a quarter of the length of the head in the other. These arrows are illuminable by lamps 24 and 23 respectively, connected as shown via the changeover contacts 44 of a relay 45 to a flasher 43 fed from the vehicle battery 42. The relay coil 45 has a condenser 49 in parallel and is connected to the supply in series with a resistor 46 so as to be slow to operate. Thus when flasher 43 energizes the system the lamp 23 is lit and after a short delay is extinguished and lamp 24 lit to produce an illusion of movement in the direction of the arrows. Preferred operating times and the intervals therebetween are discussed in terms of the time constants of the lamps. Two casings 50 and 50a are fitted to the rear of a vehicle, as shown in Fig. 7, and normal flashing indicators 51 and 51a are provided near the front of the vehicle. The lamp 52 of indicator 51 is connected in series with the lamps 23, 24 of the device 50, as in Fig. 4, or may be connected in parallel therewith (Fig. 5, not shown) or in series with lamp 24 only (Fig. 6, not shown).
Patent GB-530640-A (GB)
Title: Improvements in mechanism for paying out hoisting lines
IPC: B63B27/16
Filed: 1939-06-16
Abstract: 530,640. Pulleys. McKIERNAN-TERRY CORPORATION. June 16, 1939, No. 17668. Convention date, Oct. 15, 1938. [Class 80 (i)] [Also in Group XXX] Power-driven sheaves 18, 19 gripping between them a cable 15 have each an annular groove 45 to provide four gripping tracks 46 for the cable.
Patent GB-819177-A (GB)
Title: Coating compositions and production of coatings therefrom
IPC: C08G63/48
Filed: 1956-06-08
Abstract: A coating composition comprises a liquid polymer or copolymer of a conjugated diene and 1 to 30 parts by weight per 100 parts of total non-volatile constituents of an oil-modified resin.  The resin is preferably added in solution in a solvent such as toluene, xylene, benzene, Stoddard solvent or heptane.  The composition may be applied to metal in the preparation of coated metal food containers by brushing, dipping, spraying and roller coating followed by a treatment at 65-600 DEG  F.  Driers such as linoleates or naphthenates of lead, cobalt or manganese may be added.  The liquid polymer may be a polymer of a diene such as butadiene, 2,3 dimethyl-1,3 butadiene, isoprene or piperylene, or a copolymer of such a diene with styrene or methyl styrene.  The alkyd resins may be prepared by the reaction of polyhydric alcohols with polycarboxylic acids modified by a vegetable oil. The polyhydric alcohols will generally contain not more than 15 carbon atoms and may be ethylene glycol, propylene glycol, diethylene glycol, alpha-butylene glycol, tetramethylene glycol, triethylene glycol, hexamethyleneglycol, diphenyl propane diol, glycerol, erythritol, penta erythritol, rabitol, sorbitol, allitol, inositol and scyllitol.  Monohydroxy alcohols such as methyl, ethyl, n-propyl, isopropyl, sec. butyl, tert, butyl, isoamyl, octyl, myristyl, benzyl and furfuryl alcohols and cyclohexanol may be added in an amount not exceeding 5 per cent of the total alcohol.  The polycarboxylic acids may be the following: maleic, fumaric, itaconic, citraconic, mesaconic, ethylmaleic, methylethylmaleic, diethylmaleic, glutaconic, alpha-methyl glutaconic, alpha, alpha1-dimethyl glutaconic, beta-methyl glutaconic, alpha alpha-dimethyl glutaconic, alpha, beta, gamma, tributylglutaconic, 1,2-dihydromuconic, 2-octenedioic, 2 heptenedioic, 2-pentadecene-dioic, phthalic, terephthalic, mellitic, succinic, adipic, azelaic, sebacic, itaconic, citraconic and maleic acids.  Monocarboxylic acids in an amount up to 5 per cent of the total acids may also be employed and the acids may be replaced wholly or in part by the corresponding anhydrides.  The vegetable oils may be coconut, soybean, linseed, dehydrated castor, tung, perilla, oiticaca, sunflower, safflower walnut or chinawood oils.
Patent GB-501248-A (GB)
Title: Improvements in or relating to direction finders
IPC: G01S3/08
Filed: 1938-06-15
Abstract: 501,248. Directive wireless signalling. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. June 15, 1938, No. 17798. Convention date, June 15, 1937. [Class 40 (v)] Relates to a direction-finder for waves polarized in any direction, of the type in which two spaced frame-aerials are mounted to rotate about a common centre and are coupled in opposition to a common receiver, an auxililiary frame being arranged to " clarify " the critical minimum positions. According to the invention provision is made (a) for screening the leads from the aerials to the receiver, and (b) for minimizing the mutual coupling between the different frame aerials. As shown in Fig. 2, the leads h, k pass to a slip-ring n and collecting brush m through the shaft a by which the aerials are rotated, and the shaft itself is enclosed between an inner sleeve b, and an outer sleeve c, all three being connected by curved contact-springs d which prevent potential differences. Coupling between the various aerials is minimized by placing the " clarifying " frame g, Fig. 3, in the position 2, where it is substantially tangential to the lines of force from the outer frame aerials e, f, as compared with the positions 1 or 3.
Patent GB-145283-A (GB)
Title: Improvements in mechanism for starting and reversing internal combustion engines
IPC: F01L13/00
Filed: 1919-07-17
Abstract: 145,283. Cummins, W. R. July 17, 1919. Valve-gear.-The cam-shaft 3 of an engine is driven from the crank-shaft 14 through rods connected by a lever 12 mounted on a fixed shaft 5.
Patent GB-414501-A (GB)
Title: Improvements relating to the insulation of magneto-electric machines
IPC: H02K1/27
Filed: 1933-06-23
Abstract: 414,501. Insulation for dynamoelectric machines. BOHLI, J., 15, Dammstrasse, Solothurn, Switzerland. June 23, 1933, No. 17945. Convention date, June 23, 1932. [Class 35.] In a magneto wherein laminµ are secured to the rotary magnet by metal cast in position, the laminµ, before the casting operation, are insulated with material which will withstand temperatures of over 150‹ C. and which is main - ly ceramic. As shown, the outer surfaces of the laminµ b are separated from the cast metal c by means of which they are secured to the arms of the magnet a by a layer e of heat-withstanding insulation such as a mixture of steatite and water-glass. The insulating material may be pulverized and mixed with cement and applied to the laminµ by spraying or a dipping process. The Specification as open to inspection under Sect. 91 comprises also a similar method of insulating the bars of a squirrel cage rotor. In the form shown in Fig. 4 (Cancelled), the rotor slots h are covered with a layer of insulation, rods i connected to rings k are placed at the ends and the conductors are cast in the slots. This subject-matter does not appear in the Specification as accepted.
Patent GB-146953-A (GB)
Title: Improvements in spray carburetters for internal combustion engines
IPC: F02M1/00
Filed: 1920-06-30
Abstract: 146,953. Chanard, A. July 8, 1919, [Convention date]. Spray carburettors.-In multiple-nozzle carburettors a nozzle for normal running is supplied from a fuel chamber, the fuel level in which falls as the suction increases. As shown in Fig. 1. there is a slow running nozzle 11 delivering beyond the throttle 14 and a nozzle 6, both directly connected to the float-feed chamber 1. An auxiliary nozzle 9 is connected to a perforated' pipe 8 in a chamber 5 open at the top to the atmosphere, and connected to the float-feed chamber. The latter is open to the atmosphere through a restricted orifice 4 and is connected to the main induction pipe 3 by a pipe 2. As the suction increases the liquid level in the chamber 5 falls and mixed air and fuel pass to the nozzle 9. In a modification, a single nozzle replaces the nozzles 6, 9, it being connected by a small passage direct to the float-feed and also to the pipe 8. In another arrangement, the slow-running nozzle and the single main nozzle are supplied from the pipe 8 only. In a modification of this arrangement, a third nozzle is used, this being supplied with heavy fuel from a separate float-feed chamber.
Patent GB-1196131-A (GB)
Title: Improvements in or relating to Machine Tools
Inventor: SMITH JAMES ARTHUR
IPC: B23Q1/00
Filed: 1967-04-19
Abstract: 1,196,131. Work supports. LAPOINTE MACHINE TOOL CO. Ltd. 21 June, 1968 [19 April, 1967], No. 17992/67. Headings B3B and B3L. A machine tool, e.g. a broaching machine tool, comprises a work fixture 1 rotatable through 90 degrees within a frame 6 upon pivot shafts 2, 3, the shaft 2 including a fixed manifold 16 by means of which hydraulic connections can be made to a rotatable manifold 18 to supply and exhaust individual and/or groups of work clamping or adjusting devices on the work fixture 1. The shaft 2 includes a hollow portion (11) (Fig. 2, not shown) through which pipes (12) extend along, or closely parallel to, the pivot axis from the rotatable manifold 18 to an end portion (15) of the shaft 2 which extends into and rotates within the fixed manifold 16. The said end portion includes longitudinal passageways (19) that connect with the pipes (12) and radial passageways that lead to peripheral grooves on the surface of the end portion (15) and which are aligned with pressure fluid connections in the manifold 16. The work fixture 1 is rotated by means of a fluid pressure operated jack 8 that moves a rack 7 that engages with a quadrant gear 9 fixed to the shaft 2.
Patent GB-1088077-A (GB)
Title: Apparatus for controlling signal lamps in traffic signal systems
IPC: G08G1/097
Filed: 1966-04-25
Abstract: 1,088,077. Circuit assemblies. F. BAUMGARTNER, [trading as FRANZ BAUMGARTNER FABRIK ELEKTRISCHER, APPARATE]. April 25, 1966 [April 29, 1966], No. 18005/66. Heading H1R. In apparatus for controlling the signal lamps in a traffic signal system of the kind described in Specification 1,087,478, in which each lamp is connected in the primary circuit of a ferrite core transformer, the transformer 1, Fig. 2, is mounted on a base 12 together with a capacitor 2, rectifiers 3, 4, and resistors 5, 6, which are wired into the transformer secondary circuit. Preferably the assembly is cast into a block 13 of plastics material, terminal leads 7 . . . 10 protruding from the block and being connected to a terminal strip (14, Fig. 3, not shown) screwed on to the block. Alternatively, the terminal strip may itself be incorporated in the encapsulated assembly, and sockets may be provided to co-operate with plugs when the assembly is slid into signal lamp apparatus.