baber/WOPTO huggingface dataset:
Patent GB-424285-A (GB)
Title: Improvements in or connected with magnetic compasses
IPC: G01C17/00
Filed: 1933-08-19
Abstract: 424,285. Magnetic compasses. BAIRD, N. C., 14, Marfield Street, Carntyne, and STUART, J., 65, West Regent Street, both in Glasgow. Aug. 19, 1933, No. 23164. [Class 97 (ii)] Two magnetic systems are coaxially mounted to turn independently of each other and are so arranged that their mutual magnetic attraction is exerted in a horizontal plane and serves to damp azimuthal oscillations. In the form shown in Fig. 1, a primary magnetic system comprising magnets N', S<1> mounted on a support 12 is pivoted on a pin 13 within a vessel 18. The secondary magnetic system 2, comprises magnets N<2>, S<2> secured to yokes 19, 20 depending from the compass card 3, which is pivoted on a pin 15 secured to the top of the vessel 18 vertically above the pin 13. The vessel 18 is mounted on the bottom of a glass-topped fluid-tight bowl 4, which pivots by knife edges on a gimbal ring pivoting in turn on bearings 8 supported by springs 9 in a casing 11. The latter is preferably filled with liquid so that the bowl 4 is supported on its bearings in a critical condition between floating and sinking. A flexible tube 25 containing air and sealed at both ends is provided to accommodate expansion or contraction of the liquid. In a modification the vessel 18 may be filled with liquid and, as shown in Fig. 6, may be pivotally supported on a pin 21 secured to a bowl 4. Preferably a liquid filled chamber 23 surrounds the vessel 18 so that the latter has its weight neutralized by buoyancy. According to the Provisional Specification an optical image of a reference mark may be arranged to appear on the compass card or the secondary magnetic system may carry a reflector arranged to reflect a vertical beam of light radially in opposite directions to a graduated ring of ground glass.
Patent GB-890054-A (GB)
Title: Improvements in casting techniques
Inventor: DUFFEN LESLIE WILLIAM
IPC: B22D18/06
Filed: 1959-07-06
Abstract: 890,054. Casting-processes. DE HAVILLAND ENGINE CO. Ltd. July 5, 1960 [July 6, 1959], No. 23178/59. Drawings to Specification. Class 83 (1). Castings are kept from contact with oxygen during the period between solidification and cooling to about 500‹ C. less than the temperature of solidification. The casting and cooling may take place in an inert atmosphere, or in a vacuum.
Patent GB-379840-A (GB)
Title: Improvements in heaters for air and other gases
IPC: F26B21/00
Filed: 1931-08-18
Abstract: 379,840. Atmospheric gas burners ; lighting burners. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Drying Systems, Inc. ; 1800, Foster Avenue, Chicago, U.S.A.) Aug. 18, 1931, No. 23225. [Classes 75 (i) and 75 (iii).] A burner 1 for an air heating furnace 6 comprises a'mixing pipe 3 supplied with gas at 2 and with a secondary air inlet 4 in which a pilot jet 5 may be arranged. The combustion chamber 6 is of L-shape lined with firebrick 8 and having a flared outlet 9. Air to be heated is supplied by a blower connected to the housing by a flange 11 and attains a high velocity in the throat 14. To adjust the area of the throat the sleeve 13 slides within the housing being adjusted by a screw 16 with a nut 18 mounted in a pocket 19 having a lid 20. A mass of refractory material 21 is mounted by a spider 24 opposite the outlet of the combustion chamber to baffle the products of combustion and cause them to flow annularly outwards, and has a concave heat reflecting surface 22 which becomes incandescent.
Patent GB-1441913-A (GB)
Title: Mining conveyor assemblies
IPC: E21F13/06
Filed: 1972-05-17
Abstract: 1441913 Supporting slack cable WINSTER MINING Ltd 17 Aug 1973 [17 May 1972] 23247/72 Heading B8B A mining conveyer 10 comprises a wall member 13 and a fence structure 15, 16 incorporating control units 18 at spaced intervals. The trough formed by posts 15, wall member 13, and base structure 17 receives cables, or flexible hoses attached to a mining machine traversing the mine face on guide rails 11. The brackets 24 provide a channel for "static" cables forming part of the control and/or indicator system of the conveyer. The post 15 are resiliently mounted on brackets 36 by means of a rubber sleeve (22, Fig. 2, not shown) which is interposed between the outer sleeve (21) and a steel core (20) attached to bracket 36. The rails 16 may comprise lengths of rubber hose engaging rod elements (31) mounted on the top of units 18. A typical control unit includes a pushbutton signalling switch 32, a lock-out switch 33 an indicator lamp 34, and connector elements 35.
Patent GB-179886-A (GB)
Title: Electrically heated soldering iron
IPC: B23K3/03
Filed: 1921-09-01
Abstract: 179,886. Albrecht, A., and Albrecht, J. May 10, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Soldering-irons. - In an electrically-heated soldering-iron of the type comprising a head recessed to receive either a coaxial pointed bit or a laterally inserted hammer bit, and in which heating is effected by flat resistance coils applied to the sides of the head, and connected to conductors passing through the handle, the coils are enclosed in electric insulation and the connections therefrom pass into a recess in the head which is filled with air-hardened heat-insulating material inserted in fluid state, so as to avoid heating the handle and to protect the wires from damage. The head 1, Fig. 2, has a recess 4, Fig. 1, to receive either a coaxial bit 6 or a hammer bit 5, secured by a screw 7. The heating coils 9 which are wound on a flat core are enclosed in mica strips 12 and secured by screws 14 to the head beneath protecting plates 13. The connections from the coils pass through openings 11 into a recess 8 in the head, the connections with the conductors 16 being enclosed in glass tubes 17, and the rest of the conductors being surrounded by glass beads. The recess 8 and the nipple 15 to which the shaft 2 of the handle 3 is secured are filled with an airhardened heat insulator inserted in a fluid state. The handle shaft is provided with ventilation holes and is insulated from the handle.
Patent GB-317079-A (GB)
Title: Process for the preparation of primary and secondary amines
IPC: C07C209/18
Filed: 1929-07-29
Abstract: 317,079. Compagnie de Produits Chimiques et Electro-Metallurgiques Alais, Froges et Camargue. Aug. 10, 1928, [Convention date]. Amines. - Primary or secondary amines in general are prepared by heating any primary or secondary alcohol with a primary amine or with ammonia in the presence of nickel. The treatment of cyclohexanol and its homologues to produce cyclohexylamines is excluded. According to the example monoethyl-p-toluidine is obtained from p-toluidine and ethyl alcohol in the presence of metallic nickel prepared by reduction of the cxide, the reaction being effected in an autoclave provided with a stirrer at about 190‹ C. The nickel preserves its activity for a long time and may be used repeatedly. The Specification as open to inspection under Sect. 91 (3) (a) also includes examples of the preparation of cyclohexylamine from cyclohexanol and ammonia, and of dicyclohexylamine from cyclohexylamine and cyclohexanol. Specification 314,872 is referred to. This subject-matter does not appear in the Specification as accepted.
Patent GB-936948-A (GB)
Title: Case shift mechanism for key operated character printing apparatus
IPC: B41J5/20
Filed: 1962-06-18
Abstract: 936,948. Typewriters. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 18, 1962 [June 22, 1961], No. 23294/62. Class 100 (4). Case-shift mechanism; shift-key actions ; shift-key locks.-A caseshift mechanism for a keyoperated character printing apparatus comprises a depressible shiftkey lever 31, Fig. 1, for lowering of a type basket (not shown) to place the type bars in the upper case position, the shift-key lever carrying a lock pawl 42 engageable with a shoulder 43 with a fixed latch-bar 37, Fig. 2b, upon depression of said lever and the pawl 42 is pulled in by a spring 44. The shift-key lever is released after the operation of the next character key, such as 10, to type a letter in upper case, by engagement of the lever 10 with a spring-biased trip lever 14, Fig. 1, which is pushed against a spring-biased pivoted cam 16, which in turn comes into contact with a power roll (not shown) to pull on a cam lever 18, connected to a type bar (not shown), whose hooked end 20 engages over a vane 22 of a ribbon lift bail 24, the anti-clockwise movement of the bail causing a rod 45 to pivot the pawl 42 against the spring 44. The shoulder 43 is then pushed off the latch bar 10 and a spring-biased detent 49 rotates until its shoulder 50 engages the front face of the latch bar preventing re-engagement of the pawl 42 and the shift-key rises to bring the type basket back into the lower case position. Should the shift-key lever be operated accidentally, the case shift may be unlocked, without depressing a character key, by depression of the shift key lever from a position shown in Fig. 2b to a lower position indicated in Fig. 2d, whereby the cam surface 48 of the pawl 42 engages against the top of the latch bar 37 to release the pawl 42, the spring-loaded detent 49 rotating as shown, to prevent with its shoulder 50 the pawl from being re-engaged.
Patent GB-815984-A (GB)
Title: Wheel suspension with telescopic support
IPC: B25B13/16
Filed: 1955-08-12
Abstract: 815,984. Road vehicle undercarriages; resilient joints. POPELAR, V., and VYROUBAL, L. Aug. 12, 1955, No. 23296/55. Classes 108(2) and 108(3) In a motor vehicle, each steered road wheel is resiliently and independently supported, is guided for steering about a generally vertical axis by a telescopic strut which extends substantially in a vertical direction and is fastened at its upper end to the frame or body of the vehicle and at its lower end to the wheel spindle, is guided in its rising and falling movement and supported in a transverse direction of the vehicle by means of a crank arm 25 which engages the wheel spindle by means of a universal joint in the region where a steering arm 24 is fastened to the wheel spindle and is firmly connected to a crank pin pivotally mounted on the frame or body with its pivotal axis horizontal and inclined forwardly and outwardly viewed forwardly from the centre line of the vehicle. The wheel spindle is carried by a bracket 21 which has a socket 18 in which one end of the telescopic strut is fixed and which also carries a pin 26; this pin has a ball end which constitutes part of the universal joint by which the spindle is connected to the crank arm 25, the other part of the joint being a socket 27 in the crank arm. The steering arm 24 is firmly connected to the pin 26 above the universal joint, a bearing 23 being positioned between the arm 24 and the bracket 21. The crank arm 25 is rigidly connected to a tubular pin 38 which is mounted on the body or frame of the vehicle through two axial and thrust bearings each of which comprises a rubber member 36, 40 trapped between the pin 38 and tubular member 39. The member 39 is attached to the frame or body of the vehicle by a flange 41 at one end and through a sleeve 35 and lugs 35<SP>1</SP> at the other end. The rubber members are in a state of compression and so that this is adjustable the ends of the pin 38 are tapered conically and an adjusting nut 33 is provided. A stabilizer bar 37 which is common to both steered wheels passes through the member 39 for each wheel and has an arm 43 at each end connected to the wheel end of the respective crank arm 25. The bar 37 is attached centrally to the vehicle by a rubber bearing 31. The telescopic strut which acts both as a spring support and a damper is rotatably connected at its upper end to the vehicle body by a roller bearing 4. In a modification, the stabilizer bar 37 is arranged above or to the side of the pin 38. The rubber members can be made to take high torsion@ stresses and the spring 11 of the telescope strut is then omitted.
Patent GB-631048-A (GB)
Title: Improvements in or relating to the treatment of materials by liquids
IPC: C14C15/00
Filed: 1947-08-25
Abstract: 631,048. Clamps. WILSON, E. G. Aug. 25, 1947, No. 23398. [Class 44] [Also in Groups I and VIII] A clamp for securing a drainage grid 16, Fig. 9 (see Group I), or liquid-tight doors to a frame 17 on a liquid container 1 such as a rotating drum (see Group VIII) comprises a bifurcated base member 30 on which is pivoted by means of pin 31, an arm 32 carrying a screw 33 with lock nut 33a. A bifurcated handle 34a is also pivoted on the base member 30 and a toggle link 35 is pin jointed by pins 35a, 35b to the arm 32 and the handle 34a. The base 30 is secured to the frame 17 by screws 37 and by a bolt passing through a nut secured to a boss extending from the bracket. A spring clip 38 retains the handle in the open position shown in Fig. 8 and a stop 32a limits the movement of the handle to its closed position shown in Fig. 9.
Patent GB-955145-A (GB)
Title: Improvements in and relating to timers and the like
IPC: G04F3/06
Filed: 1960-07-05
Abstract: 955,145. One-way acting brakes. AUTOMATIC TIMING & CONTROLS Inc. July 5, 1960 [Oct. 9, 1959], No. 23458/60. Heading F2E. [Also in Divisions G3, G4 and H2] A device to prevent reverse rotation of a driven gear 20 in a timing or counting mechanism, such as that described in Specification 920,703, comprises an arm 82 pivotally mounted on a shaft 12 of a driving gear 18 and carrying an idler gear 78 which meshes with the driving gear 18 and in the forward direction is maintained out of mesh with the driven gear 20 by friction between the arm 82 and a collar 88 on the shaft 12. On reversal of direction of the gear 20, the arm 82 pivots about the shaft 12 and causes the gear 78 to mesh the gear 20, thereby preventing reverse rotation thereof. The arm 82 has an extension 82a which engages a stop 86 in the non-locking condition. In a modification, an idler gear 90 is mounted on an arm 94 which is pivoted about the shaft 34 of the driven gear 20. The idler meshes with the driven gear 20 and in the forward direction, the arm 94 rests against a stop 96. On reversal of direction of gear 20, the idler gear 90 meshes driving gear 18 also.
Patent GB-358641-A (GB)
Title: Improvements in or relating to casting or moulding metals
IPC: B22C11/00
Filed: 1930-08-06
Abstract: 358,641. Moulds ; Basks. SPOONER, W. W., Ashbrook, Ilkley, Yorkshire. Aug. 6, 1930, No. 23514. [Class 83 (i).] Clamping flasks and moulds.-A sand mould comprising a number of sections 1, 2, 3, is formed by dividing the pattern into sections, forming a separate mould, with correlated dowel openings a, from each section and assembling the mould sections with the dowel openings in alignment for the passage of clamping bars 9. The mould sections are formed in a box 4, Fig. 3, having sides 21,.. 24 hinged at 25, 26 and clipped at 27, 28, used in conjunction with a bottom plate 33, Fig. 5, both sides and bottom having holes for the passage of bars 31, to form the dowel openings. If desjred the bars 31 may support tubes which remain in the mould sections.
Patent GB-1432172-A (GB)
Title: Display board assemblies
IPC: A47F5/08
Filed: 1973-05-17
Abstract: 1432172 Displaying articles B R OGDEN 17 May 1973 [22 May 1972] 23557/73 Heading A4T A display board 1 has at least one hole 2, Fig. 3 or slot 3a Fig. 6, and an article carrier 4 or 22, a portion of which is passed through the hole 2 or slot 3a and engages the back surface of the board to prevent ready removal. The carrier may consist of a single arm 10 or have a generally U-shaped form, Fig. 4 (not shown), and the portion engaging the back of the board is bent for retention and may re-emerge through a second hole or slot, Fig. 6, which may also accommodate a second carrier. Also Fig. 8, a pair of arms 32 may be inserted through a single horizontal slot, with portions 33 for engaging over the edge of the slot.
Patent GB-666819-A (GB)
Title: Feeding and spreading device for ironing machines
IPC: D06F67/04
Filed: 1949-09-13
Abstract: 666,819. Ironing-machines. TAYLOR, J. H. Sept. 13, 1949, No. 23578/49. Class 138 (ii). Apparatus for spreading and feeding flatwork to an ironing-machine comprises a heated chest, 19 supported by a frame 16 adjacent to the feed end of the machine and having a smooth upper surface, and means for advancing pieces of flatwork, across the surface and into the ironing space and simultaneously spreading each piece of work laterally right and left from its centre line as it approaches the ironing-machine, thereby removing wrinkles from and smoothing out the fabric. This means may comprise a friction device located above or below the work and consists of friction rollers or endless driving belts. In the example shown in the drawings several driving units are arranged side-by-side in a row extending at right angles to the general direction of travel of the work. Each unit comprises one or more belts 22 passing over rollers 24, 25, 26 and an adjustable idler roller 27. Rollers 24, 25, 26 are mounted for rotation in brackets 28 secured to a plate 29, and roller 27 in brackets 30 which are adjustable fore-and-aft by means of a screw 32 and hand wheel 33. Plate 29 is attached to a frame member 34 pivotally suspended to turn about a vertical axis at 35 on bearing-plates 36 carried by beams 37 extending across the width of the machine. A locking-rod 39 engages in one of a series of recesses 43 in the fixed plate 36 and can be withdrawn for angularly adjusting the unit by squeezing a handle 41 and spring-biased grip 40. Each unit may be driven by its own motor but preferably all. units are driven from a common drive-shaft 44 through a series of universal or self-aligning bearings. The shaft 44 is made up of separate lengths connected by couplings 49, and bearings 50 support the shaft between units. The drive may be taken from the ironer by a chain 14 and through gearing and the shaft 44 to the drive roll 24. To allow for angular drive between shaft 44 and a gear 52 carried thereby, necessary to angular adjustment of the unit, gear 52 has a spheroidal hub 57 keyed to shaft 44 at 58, Fig. 5. The head of a driving key 59 slidably fitted into this hub engages in a slot 60 in a member 61 secured to the outer gear-member 52. 62 and 63 are retaining-plates and the gear is housed in a gearcase 51 provided with clearance holes 64 to allow angular movement of the case relative to the shaft 44. A feeding table 66 in front of the spreading device comprises a set of endless belts 67 supported by a driving roll 68, an end roll or rod 69 and plate 70, the roll 68 being driven from the ironer by a chain 15. The chest 19 is heated by steam and has inlet and outlet pipes 20, 21. Rollers 25, 26 are arranged so that when the belt 22 is tight it is pressed downwardly against the polished upper face of the chest 19. The several units of the spreader are used in groups, according to the width of the workpieces, and are adjusted individually to produce diverging travel of the right and left halves of the work. Specification 500,513 is referred to.
Patent GB-896384-A (GB)
Title: Improvements in or relating to cutter bit holders of mineral-mining machines
Inventor: KREKELER CLAUDE BERNARD
IPC: E21C35/19
Filed: 1960-07-06
Abstract: 896,384. Mineral-mining equipment. CINCINNATI MINE MACHINERY CO. July 6, 1960, No. 23695/60. Class 68(1). Extending transversely into the shankreceiving socket of a holder 6 for a mineral cutter bit is the head 9 of a resiliently actuated latch housed in a hole extending in the holder transversely of the socket and the head 9 has a surface aslant the longitudinal axis of the socket for engaging a complementarily sloped face 16 of a recess 16, 17 in a shank 5 to urge, as the head engages the shank on entering the recess, the shank further into the socket. A number of other preferred embodiments to the one shown are also described.
Patent GB-169159-A (GB)
Title: Process of making piston rings
IPC: B23P15/06
Filed: 1921-09-06
Abstract: 169,159. Frank, H. S. Sept. 16, 1920, [Convention date]. Chucks; mandrels; work-holders; turning piston rings.-Split piston-ring blanks are closed by tangential pressure applied at the free ends and are machined to finished size, either singly or in groups, without alteration of the conformation so obtained. The blanks 12, Fig. 14, are placed in a jig 10 which is provided with fixed or adjustable ribs 11 designed to maintain the shape imparted by previous closure as above. For external machining, the rings are then clamped while so held, between end plates 13, Fig. 15, on a mandrel 14 after which, for machining internally, they are transferred to a chuck 17, Fig. 17, mounted in a socket 20, a screw end-cap 22 locking the rings. The external and internal machining may be executed in any sequence.
Patent GB-425871-A (GB)
Title: A process for the production of articles from synthetic resins
IPC: C08L61/34
Filed: 1934-08-17
Abstract: An artificial resin composition having good mechanical and electrical properties comprises an intimate mixture, e.g. by melting of an aniline-formaldehyde resin of the resole or novolac type and a resole condensation product obtained from formaldehyde and m-cresol or xylenols or substances containing high percentages of these compounds.  Fillers, colouring matters and other additions, e.g. wood meal, asbestos, metal oxides, salts and bleaching agents may be added.  The added substances are preferably of a diamagnetic nature. A suitable proportion of aniline resin to cresol or xylenol resin is 2 : 1, but this may vary in either direction and may for instance be 1 : 1.  The compounded resin composition may be hardened by heat.
Patent GB-1155211-A (GB)
Title: Inhibiting Premature Vulcanization of Diene Rubbers.
IPC: C07C313/34
Filed: 1966-05-27
Abstract: 1,155,211. Vulcanization inhibitors. MONSANTO CO. 27 May, 1966 [27 May, 1965], No. 23821/66. Addition to 1,155,213. Heading C3E. A compound containing the structure wherein R is a haloalkyl group is used as a premature vulcanization inhibitor in rubbers. Exemplified compounds are 1,4,5,6,7,7-hexachloro - N - (trichloromethylthio)- bicyclo - [2, 2,1] - hept - 5 - ene - 2,3 - dicarboximide, 1,3- bis - (trichloromethylthio)- 5,6 - dichloro - 2- benzimidazolinone, N - [(trichloromethyl) - thio]- succinimide, 5,5 - dimethyl - 3 - [(trichloromethyl) - thio] - hydantoin, N - [(trichloromethyl) - thio] - maleimide, and 1 - trichloromethylthio-2-benzimidazolinone.
Patent GB-680383-A (GB)
Title: Improvements in or relating to pipettes
IPC: B01L3/02
Filed: 1950-09-29
Abstract: <PICT:0680383/III/1> A pipette comprises an upper tubular member 2 and a lower calibrated tubular member 1 connected together by a ground glass joint, and a cylinder 3 provided with a sealable aperture 7 and engaged slidably as a pushfit with the upper tubular member to form therewith a syringe for filling the pipette.
Patent GB-719710-A (GB)
Title: Improvements in or relating to powder compacts
IPC: A45D40/22
Filed: 1951-10-12
Abstract: 719,710. Powder compacts. RAND, S. D. Sept. 30, 1952, [Oct. 12, 1951.] No. 23850/51. Addition to 677,195. Class 18. The powder compact of the parent Specification is made in the form of a grand piano, only three legs being provided, two of which 17, 18 are connected together and hinged to the tray by a bar 20 which also carries a member 21 of substantially the same length as the legs. The legs 17, 18 are carried by pivots 19 and the bar 20 co-operates with a spring member secured to the interior of the tray, Fig. 5 (not shown) and projecting through apertures 35, 36, to retain the legs either in the erect or collapsed position. The other leg 22 is pivoted at 24 and also co-operates with the spring member.