baber/WOPTO huggingface dataset:
Patent GB-1241066-A (GB)
Title: Manufacture of aromatic primary amines
Inventor: DODMAN DAVID
Filed: 1968-08-13
Abstract: 1,241,066. Reduction of aromatic nitroso compounds. IMPERIAL CHEMICAL INDUSTRIES Ltd. 10 July, 1969 [13 Aug., 1968], No. 38708/68. Heading C2C. Aromatic primary amines are prepared by contacting a gas comprising or consisting of hydrogen, and optionally carbon monoxide, with either a liquid mixture of an aromatic nitroso compound with a hydroxylic solvent, e.g. water or a primary or secondary alcohol, or an aromatic nitroso compound in the vapour phase, with a catalyst comprising a combination of two or more of the heavy metals iron, cobalt, manganese, nickel, copper, silver, cerium and lead as their oxides, hydroxides or carbonates or mixtures thereof, or a partial reduction product from such a combination, said catalyst having been prepared by a procedure including as a step either a co-precipitation from solution or a heating together of said heavy metals as their hydroxides or heat-unstable salts. Examples disclose the preparation of aniline, 4- amino-diphenylamine and p-nitroanisole.
Patent GB-896435-A (GB)
Title: Improvements in or relating to lubricant additives
IPC: C10M157/00
Filed: 1959-11-16
Abstract: 896,435. Lubricating oil compositions. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. Nov. 16, 1959 [Nov. 18, 1958], No. 38733/59. Class 91 [Also in Group IV(a)] Lubricating compositions comprise mineral or synthetic lubricating oils and oil-soluble telomers prepared by a process which comprises polymerizing one or more olefinically unsaturated monomers (A) which contain at least one oleophilic group having 8 or more carbon atoms, or copolymerizing one or more monomers (A) with one or more olefinically unsaturated monomers copolymerizable therewith, in the presence of one or more aromatic nitro compounds. The monomers (A) may be olefins, styrene derivatives, unsaturated ethers, esters of unsaturated alcohols or unsaturated acids, or amides of unsaturated acids; and the monomers (B) may be olefins, styrene, unsaturated acids, unsaturated alcohols, unsaturated esters or amides, vinyl pyridines or vinyl pyrrolidones; many suitable compounds being listed. The aromatic nitro compound may be nitrobenzene, dinitrobenzene, nitrotoluenes or 4-diethylamino- 1,3-dinitrobenzene. Examples describe the preparation in the presence of benzoyl peroxide as catalyst and excess nitrobenzene as solvent of telomers of nitrobenzene with (I) stearyl methacrylate and (II) stearyl methacrylate and beta-hydroxyethyl methacrylate, and the addition thereof to Venezuelan mineral lubricating oils. The lubricating compositions may also comprise conventional ad ditives such as anti-oxidants, pour point depressants, viscosity-index improvers, corrosion inhibitors, peptizing agents, anti-foaming agents and extreme pressure and oiliness agents.
Patent GB-1345051-A (GB)
IPC: E02F9/12
Filed: 1971-08-18
Abstract: 1345051 Toothed gearing; lubricating LORENCE MFG CORP 18 Aug 1971 [19 Aug 1970] 38788/71 Headings F2Q and F2A A turntable 7 is rotatably mounted in a fixed housing 5 by means of balls 32 and is driven by a stepped eccentric gear 23 having a large diameter portion 26 meshing a toothed portion 28 on the turntable 7 and a small diameter portion 25 meshing a toothed portion 27 on the housing 5. The difference between the numbers of teeth of gears 25 and 27 is the same as the difference between the numbers of teeth of gears 26 and 28. The eccentric gear 23 is rotatably mounted by bearings 24 on an eccentric sleeve 19 which is rotatably mounted by bearings 21 on a fixed sleeve 20. The eccentric sleeve 19 is driven from a motor 9 through a pinion 13 and gear 17. A counterweight 37 is secured to the eccentric sleeve 19 to effect balance thereof. Contact between the rotating members under heavy loads is prevented by bearings 38 mounted on the upper surface of gear 23 by studs 39. Lubrication of pinion 13 and gear 17 is provided by oil being squeezed from between engaging teeth of gears 25, 27 and directed upwardly through passages 41. The oil then flows through passages 42 to lubricate bearings 21. An hydraulic coupling assembly 43 is removably mounted within the sleeve 18.
Patent GB-849985-A (GB)
Title: Improvements in or relating to aircraft undercarriages
Inventor: LANGDON KENNETH THOMAS PEERS
IPC: B64C25/14
Filed: 1957-12-13
Abstract: 849,985. Aircraft undercarriages. ROTOL Ltd. Dec. 15, 1958 [Dec. 13, 1957], No. 38931/57. Class 4. An aircraft undercarriage comprising a leg 11 pivoted at 17 to structure 18 is retracted by mechanism comprising a pair of arms 19 also pivoted at 17 and having at their extremities a pivot 20 for a folding bracing rod 22 having upper and lower arms 21 and 24 pivotally connected at 23, the arm 24 being connected to leg 11 by pivot 25. Arm 21 has a rigid exten. sion 35 connected at 36 to the piston rod of a retraction jack 38 and an auxiliary linkage is provided comprising a triangular plate 27 pivoted at 28 to leg 11 and connectec at 29 and 30 to links 31 and 32 respectively connected at 33 and 34 to arms 24 and 19. The linkage comprising the triangular plate 27, link 31 and link 32, controls the movement of the stabilising arms 19 in relation to folding movement of the rod 22, so that, during retraction and/or extension of undercarriage wheels 13 any point on the strut 11, arms 19, 21 or 24 moves on a predetermined locus with respect to every other point on these members. The linkage further controls the folding movement throughout the retraction range in a manner such that the jack-stroke/retractionangle characteristics are approximately linear.
Patent GB-1374047-A (GB)
Title: Chromogenic compounds
IPC: C07D493/10
Filed: 1972-08-21
Abstract: 1374047 Pressure-sensitive recording sheets KANZAKI PAPER MFG CO Ltd 21 Aug 1972 [21 Aug 1971 16 Nov 1971] 38958/72 Heading D2B [Also in Division C4] Fluoran compounds used in pressure sensitive and thermo-responsive recording sheets (of Examples 58-77) have the general formula: wherein R 1  and R 2  are H, optionally substituted C 1 -C 4  alkyl, C 1 -C 4  aliphatic acyl, benzoyl,. aralkyl or phenyl (the benzene nuclei of these substituents being optionally substituted by chlorine, bromine, C 1 -C 4  alkyl, C 1 -C 4  alkoxy or nitro), allyl optionally substituted by C 1 -C 4  alkyl or phenyl or propargyl optionally substituted by alkyl or phenyl, and R 3  and R 4  are C 1 -C 4  alkyl, benzyl or phenyl (the benzene rings in these substituents being optionally substituted by chlorine, bromine, C 1 -C 4  alkyl or C 1 -C 4  alkoxy.
Patent GB-1455378-A (GB)
Title: Loader for attachment to a tractor
IPC: E02F3/34
Filed: 1974-09-06
Abstract: 1455378 Excavators WILHELM STOLL MASCHINENFABRIK GmbH 6 Sept 1974 [7 Sept 1973] 39036/74 Heading E1F A bucket of a loader is locked relative to lifting arms 1 by engagement of a pin mounted on the bucket with a detent 17 of a coupling lever 19 pivotally mounted on the arms 1, the coupling lever 19 being held in a locked position by a pivotally mounted pawl 31 engaging a pin 29 pivotally connecting two knee components 20, 21. The unlocking of the pin is effected by actuating a solenoid 35. Limiting abutments 38, 39 are provided to limit the locking and unlocking positions of the knee components. The pawl 31 may be fork shaped so as to engage both ends of the pin 29.
Patent GB-1249510-A (GB)
Title: Closure
Inventor: JONES BERNARD MALCOLM
IPC: B65D50/04
Filed: 1969-08-05
Abstract: 1,249,510. Safety cap for bottles. UNITED GLASS Ltd. 4 Aug., 1970, [5 Aug., 1969], No. 39160/69. Heading B8T. In a safety cap for medicine bottles and the like a flexible outer cap 7 is freely rotatable on an inner screw cap 2 and is retained on it by annular lip 10. The cap can be unscrewed only by turning the outer cap 7 while its flexible top portion is depressed so that the ribs 8 on the underside engage the correspondingly shaped grooves 6 in the top of cap 2. The positions of ribs and grooves may be reversed and other forms of projections and corresponding depressions may be used.
Patent GB-895526-A (GB)
Title: Improvements in or relating to means for detecting variations in temperature, humidity or other physical values
IPC: H01H37/46
Filed: 1959-11-18
Abstract: 895,526. Thermal switches; actuation of switches. CHEPELOW, V. Nov. 18, 1959 [Nov. 18, 1958], No. 39173/59. Class 38 (5). [Also in Groups XIII, XX and XXXVI] An instrument for detecting variations in temperature, humidity or other physical values comprises a deformable element 2 extending between two end portions 11, 12 held in oppositely disposed members 13, 14, the central portion of element 2 being subjected to a preliminary torsional stress and having a radial indicator 3 connected thereto so that angular movements of the central portion of element 2 may be detected. The element 2 may be in the form of a strip having square cross-sectioned end portions 11, 12, which are held in guides 13, 14, of a casing I, after the element 2 has been torsionally stressed beyond its elastic limit. As shown, the indicator 3 carries a pair of contacts co-operating with fixed contacts 4, 5, to operate an electrical circuit. To detect temperature variations the casing 1 may be formed of material having substantially zero coefficient of thermal expansion, the element 2 being of brass. To detect humidity, the element 2 is of degreased hair, lithium oxide or other humidity sensitive material.
Patent GB-344966-A (GB)
Title: Improvements in and relating to miners' electric safety lamps
IPC: F21L4/00
Filed: 1929-12-23
Abstract: 344,966. Electric battery lamps. PEARSON, G., 45, Marshgate Lane, Stratford, London. Dec. 23, 1929, No. 39358. [Class 39 (ii).] In an electric safety lamp, adapted more particularly for use in mines, of the kind comprising a battery casing with a removable closure which supports the lamp holder and a protector therefor and also carries a member bearing contacts for the lamp and battery, the contact-bearing member is slidably mounted upon the closure member and may be removed without detaching the lamp holder and its protector. The closure for the battery casing 1, Fig. 4, comprises a metal plate 2 with its rear edge engaged within a channelled plate 4 at the back of the casing, the front edge of the plate being secured to the case by a magnetic lock 2a. The contact-carrying plate 8 is made of vulcanite or the like and slidably mounted between guides 5, Fig. 7, formed by flangeing the lateral edges of a plate 7 secured to the underside of the plate 2, the front edge of the plate 7 being bent downwardly to form a stop 6. A metal plate 9a with a central boss 10 screw-threaded to receive the lamp 12 is interposed between the plates 7 and 8, with a sheet 13 of indiarubber or other material to insulate it from the plate 8. The plate 8 carries two contact studs a engaging contact springs d connected to the accumulator terminals, and two plugs 9 of indiarubber or other material for closing the fining apertures of the accumulator. The contact studs are connected respectively to a spring 21 bearing upon the central contact of the lamp, and a spring 20 which is put either into or out of contact. with the plate 10 by a switch consisting of a screw 18 with an insulating extension 18a at its lower end in contact with the spring 20. The lamp bulb 12 is protected by a glass shield 14 which is flanged at its lower end to engage a retaining flange on the plate 2, an indiarubber ring 17 being interposed between the flanges to form an air or watertight joint. Thin metal bars 23 disposed radially serve to protect the glass shield 14 and support a plate 24 to which a handle 25 is fastened.
Patent GB-368889-A (GB)
Title: Improvements relating to means for the rapid transformation of open automobile vehicles of torpedo and other types to closed automobile vehicles and vice versa
IPC: B60J7/08
Filed: 1930-12-31
Abstract: 368,889. Road vehicle opening tops. LOVADINA, M., 21, Via A. Fusinato, Padua, Italy. Dec. 31, 1930, No. 39360. [Class 108 (i).] Open-to-closed road vehicles are provided at the rear with a housing from which a rigid frame adapted to form the rear upper structure of the vehicle may be raised and the rigid frame may carry the hood of flexible material rolled up or folded, while the body of the vehicle is provided with fixed side frames. Fig. 2 shows the rigid frame 8 elevated from the housing 7 and provided with a rolled-up hood 2 adapted to be extended over the fixed superstructure 35, 59. Fig. 6 shows a form of hydraulic elevating mechanism in which the ram 40 of the cylinder operates the arms 37, 38 to raise the bottom member 17 of the rigid frame. If desired, the rigid frame can be carried directly by two hydraulic rams or it can be elevated by pneumatic or mechanical means. Fig. 13 shows an arrangement of hood which is adapted for long coaches and is separate from the rear rigid frame and comprises a roller hood 74 adapted to be drawn transversely from a roller 73, the front canopy 74<1>, Fig. 15, being drawn longitudinally from a roller 79. The hoop-sticks may have extensible spring arrangements so that they adapt themselves to the varying width of the body.
Patent GB-1069265-A (GB)
Title: Method and apparatus for stretching a thermoplastic film in a non-longitudinal direction
IPC: B29C55/04
Filed: 1963-10-07
Abstract: 1,069,265. Films. O. B. RASMUSSEN. Oct. 15, 1964 [Oct. 7, 1963], No. 39486/63. Heading B5B. Apparatus for stretching an elongated sheet of thermoplastic film comprises two series of parallel closely-spaced rod-like members 4, 5, means for creating a gripping zone by moving the members of the two series into engagement, means for continuously advancing the members in the zone of engagement while keeping them parallel and closely spaced (e.g. wires 6), means for shifting the members axially (e.g. curved guide tracks 7, 8) so as to change continuously their resultant direction of advancement and increase the angle between this direction and their axes from a value substantially less than 90 degrees (for example 45 degrees) to a higher value, preferably about 90 degrees, and means of separating the members of the two series from engagement. Means for keeping each series of rod-like members parallel may comprise a series of rotatable screws (9) having helical grooves (10), (Fig. 3, not shown), engaging the members, said screws preferably being distributed equally over the area of engagement of the two series of rod-like members. The screws may be disposed so as to increase slightly the extent of engagement between the two series of rod-like members as these members advance. In operation, an oriented tubular film, e.g. of high density polyethylene or isotactic polypropylene is slit spirally to produce a flat film 1 obliquely oriented in direction 2. The film enters the apparatus at an initial angle of engagement of about 45 degrees. The stretching increases the width of the film and it leaves at an angle of about 90 degrees, with an increased angle of orientation as shown by arrow 3.
Patent GB-348046-A (GB)
Title: Speedometer
IPC: G01P3/10
Filed: 1929-12-27
Abstract: 348,046. Speed indicators. PABESCHITZ, F., 139, Linzerstrasse, Vienna. Dec. 27, 1929, No. 39587. [Class 106 (iii).] A periodic counter type speedometer is operated from a clock-driven switch 18 in the following manner. Firstly the circuit, contact ring 22, contact spring 15, conductor 14, contact spring 13, electromagnetic clutch 5, 6, contact spring 12, conductor 29, electromagnet 23, conductor 28, battery 27, and contact spring 16 is made, by which the drop weight 9 in the form of a rack is driven from the vehicle through the shaft 1, worm gearing 2, 3, and gearing 8, 9 to -rise on the spindle 10 and engage the stop 50 to raise the toothed rack 35 guided in a slot 33 of a plate 34 and rotate the toothed sector 36 fixed to the grooved disc 37 loosely rotatable on a projection 38 of the plate 34 and attached to the spring 39 and having an arcuate slot 41 with which engages a pin 43 fixed on a disc 42 fixed on a journal 44 carrying at one end a pointer 46 and at the other a ratchet wheel 45 which, when the above circuit is made and the electromagnet 23 excited, engages with the pawl 48 and is prevented from anticlockwise rotating. Secondly, whilst the above circuit is still made, the circuit tongue 21, contact spring 17, conductor 25, electromagnet 24, conductor 26, battery 27, contact spring 16 is made, thus causing the spring armature 30 to release the pawl 30<1> from the teeth 31, and allow, if required, the rack 35 to descend under the action of the spring 39 until the stop 50 engages the rising drop weight 9, the toothed sector 36 and disc 37 with slot 41 rotating anticlockwise at the same time. Thirdly, the circuits set out above are interrupted by the contact spring 15 meeting the gap 20 and the contact spring 17 leaving the tongue 21, by which the pawl 30<1> engages with the teeth 31 of the rack 35, the weight 9 descends, and the pawl 48 is pulled out of engagement with the ratchet wheel 45 by the spring 49 to allow a spiral spring 47, one end of which is fastened to the journal 44 and the other end of which is fastened to the toothed sector 36, to rotate if necessary the disc 42 and thus the pointer 46 until the pin 43 engages the end of the slot 41 in the now stationary disc 37. The cycle of operations is now repeated.
Patent GB-1516388-A (GB)
Title: Yarn or thread spooling machine
IPC: B65H54/38
Filed: 1975-09-26
Abstract: 1516388 Preventing ribbon winding SCHWEITER ENG WORK Ltd 26 Sept 1975 [8 Oct 1974] 39591/75 Heading D1J  The invention relates to the use of a drive belt in a spooling machine and in which the belt 7', 7", Fig. 2, interconnects a driving wheel 20 with a driven wheel 21, there being a cyclically operated control roller 9 that acts on the drive run 7' of the belt to alternately elongate and foreshorten the length of the drive run, and a dancer roller 23 that acts on the return run 7" of the drive belt to maintain the belt in a state of tension. Fig. 2 shows how the path of the belt changes between that shown in full lines and that shown in broken lines.  The changing configuration of the belt causes the driven wheel 21 to have a superimposed oscillation upon the rotational drive that is received from the driving wheel 20. In Fig. 1 the belt 7 is used to interconnect a package driving roller 3 with a yarn traversing drum 5 and the resulting oscillations that are superimposed upon the normal rotation of the drum 5 varies the traverse motion of the cam follower 6 in a manner to prevent ribbon winding on the package 1. The dancer roller 23 is biassed downwardly by a spring 24. The control roller 9 is operated by cam means 27 driven by a motor 30 or, in an alternative embodiment by the main drive motor 4. In a modified embodiment the cyclically operable means controlling the control roller 9 comprises an electromagnet and means for intermittently energising the electromagnet. The drive motor 4 may drive the traversing drum 5 instead of the driving roller 3.
Patent GB-1364070-A (GB)
Title: Low expansion glass-ceramic bonding materials
IPC: C03C10/16
Filed: 1971-08-24
Abstract: 1364070 Glass ceramic sealing material; bonding glass-ceramics CORNING GLASS WORKS 24 Aug 1971 [2 Sept 1970] 39592/71 Heading C1M A thermally devitrifiable bonding material for glass-ceramic articles having a predominant crystalline phase of beta-spodumene, cordierite, zinc petalite, beta-quartz or fluorophlogopite whose heat expansion and crystalline structure matches those of the glass-ceramic articles to be bonded, consists of 60 to 90% of a thermally devitrifiable glass and from 10 to 40% of a fibre-flux mixture consisting of fibres of fused silica, one of the metal fluoride salts LiF, ZnF2 or MgF2 and either AlBO3, or Al(OH)3 with or without H3BO3, yielding a crystallizable glass upon heat treatment, which glass as well as the added glass, crystallizes with a predominant crystalline phase of beta-spodumene, cordierite, zinc petalite, beta-quartz or fluorophlogopite. The thermally devitrifiable glasses disclosed and the fibre-flux mixtures in each case are as follows in percentages by weight: (1) SiO2 60-80; Al2O3 10-25; Li2O 2-10; BaO up to 5 and optionally up to 5 compatible oxides with a fibre-flux mixture of 60-80% silica fibres with either LiF 3-25; AlBO3 5-25 or LiF 3-25; Al(OH)3 5-33; H3BO3 up to 15. (2) SiO2 40-80; Al2O3 10-35; MgO 5-20; TiO2 3-15 with a fibre-flux mixture of 40-80% silica fibres with either MgF2 3-25; AlBO3 10-35 or MgF2 3-25; Al(OH)3 10-35; H3BO3 up to 23. (3) SiO2 40-60; Al2O3 20-30; ZnO 20-30; ZrO2 up to 15; up to 0À5 Ag, Au, Cu and/or Pt with a fibre-flux mixture of 40-60% silica fibres with either ZnF2 3-25; AlBO3 15-35 or ZnF2 3-25; Al(OH)3 15-35; H3BO3 up to 23. (4) SiO2 35-48; B2O3 5-15; Al2O3 14-22; MgO 14-25; K2O 3-10À8; F 5-10 with a fibre-flux mixture of 40-80% silica fibres with either MgF2 3-25; K2O 5-15; AlBO3 10-50 or MgF2 3-25; K2O 5-15; Al(OH)3 10-50; H3BO3 up to 30. Preferably the thermally devitrifiable glass is present as a powder having a particle size ranging from 1 to 30 microns and the silica fibre component has a diameter below 100 microns and a ratio of length to diameter of 20 : 1.
Patent GB-1000482-A (GB)
Title: Improvements in or relating to straight bar knitting machines
Inventor: BENTLEY WILLIAM
IPC: D04B11/00
Filed: 1960-11-18
Abstract: 1,000,482. Knitting machines. WILLIAM COTTON Ltd. Nov. 14, 1961 [Nov. 18, 1960], No. 39648/60. Heading D1C. The position of needles in the pressing direction is determined during the draw period by a control arm 17 bearing as the end of the usual truck arm 11 and slightly displacing the truck arm. To maintain uniformity of length of blanks produced as a multidivision machine adjustable means are provided to enable the displacement of the arm 11 by control arm 17 to be varied in each division. Such means may comprise an adjustable screw 21 to adjust a pivoted lever on the arm 17 which abuts a block 18 on the end of the truck arm 11. Alternatively the block 18 may be mounted on an eccentric sleeve which is rotatable to vary the position of the block in relation to the control arm.
Patent GB-1098608-A (GB)
Title: Lighting systems for road vehicles
Inventor: JONES KENNETH JAMES
IPC: B60Q1/14
Filed: 1964-09-30
Abstract: 1,098,608. Lamps. JOSEPH LUCAS (INDUSTRIES) Ltd. July 21, 1965 [Sept. 30, 1964], No. 39751/64. Heading F4R. [Also in Division G1] The headlamp beam of a vehicle is increasingly masked off from the centre of the road side of the beam by a shutter moving across an apertured mask, through which the beam is projected, in response to and according to the angle of approach of the beam of an oncoming vehicle. A photo-cell 25 views an image of the beam of the oncoming vehicle formed somewhere in a further aperture 22, according to the angle of approach, and provides an output to rotate an armature carrying two shutters, one 27 covering the aperture 22 and a further one covering the aperture through which the headlamp beam is projected. The armature rotates until the leading edge of the shutter 27 covers the image in the aperture 22, by which time the other shutter has cut off the projected beam sufficiently to avoid dazzling the oncoming driver. A filter may exclude from the projected beam a range of wavelengths to which the photocell is exclusively sensitive. The description is similar to Specification 1,098,610.