baber/WOPTO huggingface dataset:
Patent GB-295898-A (GB)
Title: Apparatus for cutting dial covers for watches from transparent or translucid material
IPC: C03B33/04
Filed: 1928-01-24
Abstract: 295,898. Pollak, R. Sept. 23, 1927. [Convention date]. Cutting glass.-In an apparatus for cutting dial covers for watches from transparent material, the work is clamped by screws 10 to a disc 9 rotated from a hand-crank 6. The tool 38 is axially adjustable in a slide 15. A slide 34 and the slide 15 are moved by screws in opposite directions along fixed guides 12 on actuation of a knob 33. On the bottom of each slide the leg of an internal callipering device is arranged equidistant from the centre of the disc 9. In operation, the callipering points are adjusted to the diameter of the dial covering ring and the tool is thereby set to the correct radial distance for cutting a dial cover. In a modification the work-holder is movable and carries one calliper leg.
Patent GB-534363-A (GB)
Title: Improvements in and relating to lifting jacks for vehicles and the like
IPC: B66F13/00
Filed: 1940-02-06
Abstract: 534,363. Lifting jacks. SHELLEY, Ltd., R. T., and LAWRENCE, E. G. Feb. 6, 1940, Nos. 2274 and 5358. [Class 78 (iii)] The standard of a lifting jack is mounted yieldably in its base. The standard is formed with a projecting flange 12 having rubber buffers 16 on each side between it and the plates 18, 14 secured to the base plate 15. The projecting portion 13 of the standard below the flange is polygonal and fits into a similar hole in the member 18 to prevent turning. In a modification the flange is split into several sectors, each engaging a separate housing on the base fitted with buffers. The part 19 may be slightly domed or otherwise rounded to give a rocking bearing on the base plate.
Patent GB-474186-A (GB)
Title: Improvements in and relating to electrically actuated measuring or indicating devices
Filed: 1936-01-24
Abstract: 474,186. Transformers; dynamo-electric machines. BILLIG, E., and HACKBRIDGE ELECTRIC CONSTRUCTION CO., Ltd. Jan. 24, 1936, No. 2313. [Classes 35 and 38 (ii)] [Also in Groups XXXVI and XX] Apparatus for indicating the temperature of bodies heated by load currents in transformers and dynamoelectric machines comprises a conductor in the form of a liquid, vapour, or gas, or a container therefor, the expansion of the conductor being used for indicating purposes and the conductor forming the short-circuited secondary winding of a transformer. A tubular annulus 14 containing mercury is located around the insulator 11 in a transformer casing and is connected with an indicator 5 by a capillary 15. An iron core may be located within the mercury chamber. In Fig. 3, the container 26 is located on an iron core 29 energized by the main transformer lead 30, and an auxiliary winding 31 is provided for adjusting the heating effects. The container 26 may be of heat insulating material, and a mass of metal in heat contact with the conductor may be provided to produce a time lag of the same order as that of the main transformer. Specification 329,986, [Class 38 (ii)], is referred to.
Patent GB-600190-A (GB)
Title: Improvements in or relating to the manufacture of piezo-electric crystals
IPC: H01L41/22
Filed: 1944-02-08
Abstract: 600,190. Piezo-electric crystals. BENDIX AVIATION CORPORATION. Feb. 8, 1944, No. 2358. Convention date, Aug. 10, 1942. [Class 40 (v)] [Also in Group XX] Bar stock from which piezo-electric crystals are to be made is prepared by roughening a surface of the slab of material from which the bars are to be cut, passing a narrow beam of light through this surface to produce a dispersion pattern on it, and marking the material with lines in accordance with this pattern to indicate the cutting planes. In carrying out the method, a quartz crystal is cut into slabs in planes parallel to the optical and mechanical axes, the surfaces being then etched with hydrofluoric acid. A slab 3 is then placed on the apparatus shown in Fig. 3, comprising a lamp 7 in an enclosure 8 having a pinhole 9 which allows a narrow beam of light to pass through the slab. When the piece of quartz is left-handed and the upper face is negative, a bright-line dispersion pattern is produced in the form of a parallelogram 10, of which the short sides are parallel to the optical axis 2, and the long sides are at an angle of 52 degrees with it. Cutting planes 12, Fig. 6, for bars from which AT cut crystals are to be cut are thus marked on the slab by lines parallel to the long sides of the parallelogram 10. The minor or transverse axis of these bars make an angle of 90- 52 degrees, i.e. 38 degrees with the optical axis, 'and since an AT cut crystal makes an angle of approximately 35 degrees with this axis, such crystals may be cut from the bars in planes inclined at not more than 4 degrees to their minor axes. For BT cut crystals, the cutting planes of the bars are perpendicular to the long sides of the parallelogram. If the quartz is right - handed, the parallelogram 11 is seen and is similarly used as a guide. When the positive face of the slab is uppermost the dispersion pattern takes the form of a double-headed arrow.
Patent GB-520009-A (GB)
Title: Improvements in holders for sensitised films or plates for use in photographic cameras
IPC: G03B17/26
Filed: 1939-01-24
Abstract: 520,009. Photographic plate or film holders. GODDARD, A. Jan. 24, 1939, No. 2360. [Class 98 (i)] A holder for flat films or plates, which may be used with the film back of a roll film camera or instead of the dark slide of a plate camera, has light-tight slits in two opposite edges through which a flexible shutter passes. The holder has a base 1 to which is attached a mask 4 as of felt. in the aperture of which the film or plate 2 is placed. A second mask 5 having lateral ribs 6 is attached to the mask 4 along two opposite edges. Its other two edges are situated as shown beyond the mask 4 and carry below them strips 8, slightly spaced from the ends of the mask 4, to provide narrow passages for the flexible shutter 9. The shutter comprises a sheet of flexible material with an opaque area at one or each end, and either an intermediate aperture or one or more intermediate transparent areas which may be colour filters. For use with a rollfilm camera, the ends of the shutter may be tapered to fit the film spools. In a modification for use with a plate camera, the edges of the . mask 5 project laterally to provide slides which fit into the vertical guides provided on the camera for dark slides.
Patent GB-633135-A (GB)
Title: Improvements in or relating to the impregnation of textile materials
IPC: D06C7/00
Filed: 1947-01-27
Abstract: <PICT:0633135/IV (c)/1> An apparatus for treating textiles with steam, comprises a treatment chamber 3 resting upon supports 4 and divided into upper and lower compartments 3a and 3b by a perforated plate 19, a vacuum pump 14 and a means of supplying added heat as by a copper steam coil 21.  The process of the invention is carried out by charging the materials into the treatment chamber 3a, applying a controllable degree of extraneous heat by the steam coil 21, simultaneously or subsequently admitting steam into the evacuated space and breaking the falling vacuum before deleterious condensation takes place.  Specification 476,571 is referred to.
Patent GB-926992-A (GB)
Title: Improvements relating to disc brakes
IPC: F16D55/00
Filed: 1960-01-22
Abstract: 926,992. Disc brakes. J. R. COXON. Dec. 14, 1960 [Jan. 22, 1960], No. 2439/60. Class 103 (1). In a spot-type disc brake for motor vehicles, the calliper housing 3 is mounted on a resilient plate 13 attached by suitable means to the vehicle to permit limited movement of the calliper in a direction substantially parallel to the axis of the disc. The calliper housing 3, shown in Fig. 2, is mounted on a spring metal plate 13 mounted on a flange 4 of a stub axle 5 and the housing is provided with a single hydraulic piston and cylinder arrangement 19, 7 on one side of the brake disc 1 to actuate one friction pad 17 and a friction pad 18 is carried by an arm 8 of the calliper housing 3. The friction pad 17 is mounted on a second spring metal plate 16 arranged face to face with the first plate 13 such that operation of the piston 19 to apply the brake causes the two plates 13, 16 to bend apart from each other to cause frictional contact of the pads 17, 18 with the brake disc 1. Adjustment for wear of the friction pads is achieved by adjustment of screw 25. Instead of the plate 13 being formed of spring metal it may be rigid and fixed to the vehicle through a resilient pad by which the plate is made springy.
Patent GB-661045-A (GB)
Title: Manufacture of anthraquinone derivatives
IPC: C09B1/28
Filed: 1949-01-28
Abstract: 1,4 - Dihalogenanthraquinone - 2 - aryl ketones are made from 1,4-dihalogen-anthraquinone-2-carboxylic acid chlorides by Friedel-Craft condensation with an aromatic compound.  The 1,4 - dichloro - 2 - benzoyl, p - fluorobenzoyl, p-toluyl or p-anisoyl bodies are referred to.ALSO:Dyes of the formula: <FORM:0661045/IV (c)/1> in which R1 is hydrogen or an unsubstituted or substituted alkyl group containing at most two carbon atoms and R2 is an unsubstituted or substituted aryl group are made by condensing the corresponding 4-halogen body with a primary alkylamine (which may be substituted, e.g. by hydroxyl) or by condensing the same 4-halogen body or the corresponding 1,4-dihalogen body with an aromatic sulphonamide, followed by hydrolysis.  The products dye cellulose acetate and nylon blue shades.  In examples, the following are melted with p-toluene sulphonamide, followed by hydrolysis with sulphuric or hydrofluoric acid: (1) 1-amino - 4 - bromo - 2 - benzoyl - anthraquinone; (2) 1,4 - dichloro - 2 - benzoylanthraquinone; (3) 1,4 - dichloro - 2 - (p-fluorobenzoyl) - anthraquinone, the same dyestuff being obtainable by way of 1-chloro- or amino - 2 - p - fluorobenzoyl - anthraquinone or 1 - amino - 4 - bromo - 2 - (p - fluorobenzoyl)-anthraquinone; (4) 1,4-dichloro-2-(p-toluyl)-anthraquinone; (5) 1,4 - dichloro - 2 - anisoylanthraquinone.  Also in examples, 1-amino-4-bromo-2-benzoylanthraquinone is condensed with (6) ethanolamine, and (7) methylamine, and in a dyeing example, 1,4-diamino-2-benzoyl-anthraquinone is used as a dispersion to dye cellulose acetate.  R2 may be naphthalene.  1 - Amino - 4 - halogenanthraquinone - 2-aryl ketones are obtained from 1-aminoanthraquinone-2-carboxylic chloride by Friedel-Craft condensation with an aromatic compound, followed by halogenation.
Patent GB-966201-A (GB)
Title: Improvements in or relating to braiding machines
IPC: D04C1/00
Filed: 1962-01-23
Abstract: 966,201. Braiding. SCHNELLFLECHTER BERLIN VEB. Jan. 23, 1962 [Feb. 7, 1961], No. 2512/62. Headings D1C and D1K. A circular braiding machine for covering articles such as cables or hoses with a braid of textile, synthetic, asbestos or metal threads comprises a set of weft bobbins 15 and a set of warp bobbins 16 revolving in opposite directions, the warp threads 16a, 16b being manipulated by levers 9 to cause them to pass above and below the weft bobbins as the bobbins revolve so as to form the braid. The warp bobbins are mounted on a ring 6 secured to a body portion 4 of the machine driven through gearing from a shaft 1. Each weft bobbin is mounted to slide on the ring 6 and is driven from a central part 12 rotating in the opposite direction to the portion 4 by a dish-shaped driver member 13 rotatably mounted on the part 12 and engaging a groove in a carrier 14, slidable on ring 6 and supporting the weft bobbin. The member 13 carries at its lower end a gear 13b meshing with an internal gear on ring 6 so that as it revolves with the part 12 it also rotates periodically bring- ing a slot 13a formed in it into a position in which the warp thread can be lowered to pass beneath the weft bobbin. Slots 6a are also formed on the ring 6 for the same purpose.
Patent GB-577607-A (GB)
Title: Improvements in or relating to frames for pedal driven bicycles
IPC: B62K3/04
Filed: 1944-02-11
Abstract: 577,607. Cycle frames. SUN CYCLE & FITTINGS CO., Ltd., and PARKES, F. C. Feb. 11, 1944, No. 2531. [Class 136 (iii)] The saddle tube 1 of a bicycle frame extends from the upper ends of the down tubes 5 in a straight line to a position along the front tube 2 removed from the bottom bracket 9 and at least one compression tube 11 extends between the bottom bracket'and a position intermediate the ends of the saddle tube. In the construction described two compression tubes 11 are united to lugs or sockets 12 positioned on either side of the bottom bracket. At their top end the tubes 11 are united to a common lug or bracket 10 which is positioned at a distance from the bottom bracket equal to one-third to one-quarter the length of the saddle tube 1. The lug 8 may be positioned along the front tube from the bottom bracket a distance approximately equal to one-quarter the length of the front tube.
Patent GB-418333-A (GB)
Title: Improvements in or relating to automobile lamps
IPC: B60Q1/14
Filed: 1934-01-25
Abstract: 418,333. Vehicle lamps. HJORTH, E. C. M. E., Lyngby, Denmark. Jan. 25, 1934, No. 2639. Convention date, Aug. 14, 1933. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 27, 1934.] [Class 75 (iv).] Lantern shutters.-In a vehicle lamp in which part of the projected beam is adapted to be cut off by means of an electromagnetically operated screen which is rotatable about an axis perpendicular to that of the lamp, the electromagnet is carried by a plate which is hinged or fixedly secured externally on the lamp casing or reflector, whilst the armature is carried by the screen. The positions of the electromagnet and the armature may be interchanged. The screen may be mounted on the upper part or on either or both sides of the lamp, and it is particularly applicable to a lamp which is provided at the front with a conical collar as described in Specification 417,976, [Group XI]. In the form shown in Fig. 1, an electromagnet 17 is mounted on the underside of a plate 13 which is hinged at 12 to the lamp casing 4, whilst its armature 18 is mounted on the underside of a screen 14 which is provided with a front bend 23 and is hinged at 15 to the plate 13. The screen is held in its outermost position by a spring 22 and is guided by means of a pin 19 which engages a guide 20 in a plate 21 secured to the collar 11. In one modification (Fig. 3, not shown), the electromagnet and its armature are mounted on the outer sides of the plate and the screen, and in a second modification (Figs. 4 and 5, not shown), the plate is fixedly secured to the lamp casing. A plurality of electromagnets may be provided whereby the screen may be moved in steps so as to control the amount of light cut off by the screen. Fig. 7 shows a pair of superposed electromagnets 17<a>, 17b fixed to the lamp casing 4 and provided with armatures 18<a>, 18<b> which are hinged at the points 25, 26, 27, the screen 14 being shown in its intermediate position.
Patent GB-1242226-A (GB)
Title: Valves and taps
Inventor: LANGRIDGE JOHN HENRY
IPC: F16K1/14
Filed: 1968-01-18
Abstract: 1,242,226. Valves. J. H. LANGRIDGE. 17 Jan., 1969 [18 Jan., 1968], No. 2667/68. Heading F2V. A valve or tap comprises a body 22 having an inlet 12 and outlet 13, a free spherical closure member or ball 15 housed in a valve chamber in the body and co-operating with a seat 14 surrounding the inlet to the chamber, and an operating plunger 26 engaging the ball on the side remote from the seat. The ball 15 is a slack fit in the chamber, so however as to be guided by the chamber wall to move toward and away from the seat. As shown applied to a float operated cistern supply valve, the float arm 18 has an adjustable tappet 27 engaging a stem of the plunger which moves in a guide 25. The separate seat 14 is retained by the inlet connector 21. In a pillar tap, Fig. 5, the plunger has a stem 37 engaged in the end of a screwed operating stem 36 with a handle 37. The ball may be of rubber.
Patent GB-1056993-A (GB)
Title: Marking device for differentially coated tin plate
Inventor: PANNIER RALPH ALBERT
IPC: B41F27/06
Filed: 1964-01-21
Abstract: 1,056,993. Making sheets. PANNIER CORPORATION. Jan. 21, 1964, No. 2fi75/64. Heading B3A. [Also in Division B6] An apparatus for coating both sides of a steel web 2 and marking said sides, for instance with a design or pattern indicating in code the weight of tin plate applied, comprises a reel 1 designed to deliver the web at high speed, a cleaning compartment 3, a drying compartment 4, a first electroplating mechanism 7 which coats one surface of the web with tin plate, a second electroplating mechanism 10 which coats the other web surface with a lighter weight of tin, further washing and drying compartments 11 and 12 respectively, a first printing station 13 which prints a code mark or design on one surface of the web, a second printing station 14 which prints a code mark or design on the other surface of the passing web, a flow brightening or reflowing apparatus 15, and a quench tank 16. The printed tin web is then passed to a coiling device or to a shearing device.
Patent GB-222024-A (GB)
Title: Improvements relating to heating systems
IPC: G05D23/02
Filed: 1924-02-01
Abstract: 222,024. Petrie, G., and Petrie & Mc- Naught, Ltd. Feb. 1, 1924. Thermostats. - Relates to thermostats for regulating the temperature in steam, hotwater and like heating systems of the kind in which the control valve a is regulated by the differential expansion of elements s, t exposed to the fluid being heated. According to the invention, the elements s, t operate in combination with a compound system of levers m, d, of which one lever d is mounted on an adjustable pivot e, and with a spring k, which normally tends to keep the valve a in the closed position. The pivot e is arranged on an adjustable nut f engaged by a rotatable screw g having a finger knob i co-operating with an index or pointer j.
Patent GB-289555-A (GB)
Title: Improvements in and relating to reels for wire
IPC: B65H75/18
Filed: 1927-01-31
Abstract: 289,555. Lloyd, H. D. L. Jan. 31, 1927. Reels.-A reel for barbed or other wire consists of two parallel wooden battens a spaced apart at their ends by two wooden end battens b to which are secured cross-battens e of thin metal which are provided with channels g in which the ends of a drop handle h are loosely held.
Patent GB-839011-A (GB)
Title: Two roll crushing mill
IPC: B02C4/32
Filed: 1957-01-25
Abstract: 839,011. Roller mills. KOPPERS G.m.b.H., H. Jan. 25, 1957 [Jan. 25, 1956], No. 2800/57. Class 59 In a roller mill comprising a fixed roller 4 and a co-operating adjustable roller 12 the bearings 14 of which are secured to pivotally-mounted oscillatable levers 15, a rotatable spindle 24 is arranged to act on an adjusting lever 18 pivotally mounted on a transverse member 16 connecting the levers 15, the spindle 24 being adjustable axially by means of an eccentrically-mounted spindle nut 38. The nut 38 is journalled in fixed bearings 39 by means of eccentrics 52 which are each connected by means of a lever 48 to a spindle 49 which is adjustable in a nut 50 by means of a hand-wheel 51. The spindle 24 is supported on a transverse bar 23 of the adjusting lever 18 and has extending therethrough a spindle 22 which is adjustable in a transverse member 40 between which and the bar 23 are arranged compression springs 21.
Patent GB-120684-A (GB)
Title: Improvements in Scrubbers, Cleansers and Coolers for Gas.
Inventor: SMITH DAVID JOSEPH
IPC: B01D47/02
Filed: 1917-10-18
Abstract: 120,684. Smith, D. J. Oct. 18, 1917. Scrubbers and washers.-An apparatus for scrubbing and cooling gases, more especially applicable for gas-producers and especially for producers used in connexion with motors as described in Specification 121,177, comprises an outer series of annular disks over which water trickles, the gas passing up over this water, and an inner chamber filled with coke or the like down which the gas passes during its final scrubbing. A sludge chamber with a cock for drawing off the sludge is provided, and the coke may be contained in a wire basket. The water supply to the scrubber is controlled by the engine using the gas, or by the fan forcing gas through the scrubber. The gas enters the apparatus by a pipe M by which the water which has been used for cleansing the gas leaves, and the gas passes up through the outer chamber A, of two concentric chambers A, B, connected together and fitted with a top A<1>, a bottom A<2> secured by bolts to brazed flanges A<3>, A<4>. The gas circulates around annular disks C, Fig. 2, which are placed on packing-rings E, F arranged as shown, the outer rings being kept in position by turned-up parts G on the disks C. These disks are formed with spaces C<3>, formed by bending up edges C<4>, C<5>, Fig. 4, and the spaces C<3> of adjacent disks are arranged diametrically opposite each other so as to give a long flow to the gas and the washing fluid. The washing-fluid enters by a bent pipe K with outlets K<1>. When the gas reaches the top L of chamber A' it passes beneath a hood L<1> and passes down through coke in a wire basket N secured by hooks N' to the inner chamber B. The gas passes to the engine by a pipe O<2> protected by a hood O<1> which deflects any solid impurities into a sludge box O fitted with a drain cock B<2>.