baber/WOPTO huggingface dataset:
Patent GB-229713-A (GB)
Title: Improvements in advertising & signalling devices
IPC: G09G3/00
Filed: 1923-08-23
Abstract: 229,713. Harris, H. K. Aug. 23, 1923. Intermittent - toothed gearing. - A Geneva stop mechanism comprises a constantly - rotating wheel 200 having a smooth periphery 66, a small section 69 of this periphery being, however, toothed. The pinion 63, part only of whose surface carries teeth, is normally idle and in the position shown, but when the projection 68 is carried by the wheel 200 into engagement with the horn 64 fixed to the wheel 63, the teeth of the latter engage the teeth 69 and the shaft 61 performs one complete revolution.
Patent GB-951675-A (GB)
Title: Device for removing marine growth from ships' hulls
IPC: B63B59/10
Filed: 1961-06-14
Abstract: 951,675. Cleaning ships' hulls. H. D. F. B. JOHANNESSEN. June 14, 1961, No. 21389/61. Heading B7M. A device for cleaning ships' hulls comprises rotatable brushes 10 and rotatable magnets 12 mounted in individual frames 11 and 13, respectively, so as to be capable of relative movement one to another. Bearings 24 of the frame 13 move in slots 26 in the frame 11 and springs 27 urge the brushes 10 into contact with the hull surface 31. A screw 29 adjusts the allowable movement between the two frames and compensates for wear of the brushes 10. The device may be steered by the magnets 12, which steering movement is controlled by the levers 44. The brushes 10 and magnets 12 are rotated from a common power source housed in a watertight compartment which may be used to adjust the buoyancy of the device. Provision is made for neutralizing the force emanating from the magnets 12.
Patent GB-1322988-A (GB)
Title: Thiaheterocyclyl-acetic acid derivatives
IPC: C07D337/08
Filed: 1971-04-19
Abstract: 1322988 Thiaheterocyclyl-acetic acid derivatives ROUSSEL-UCLAF 19 April 1971 [10 Feb 1970] 21441/71 Heading C2C Novel compounds I in which n is 2-4 and non-toxic salts and esters thereof are prepared by reaction of compounds II with sulphur and morpholine followed by hydrolysis of the resulting amide III and optionally salt or ester formation. Pharmaceutical compositions for oral, rectal or topical administration as analgesics, antiinflammatory agents and antipyretic agents comprise a compound I or a pharmaceutically acceptable salt or ester together with a suitable excipient.
Patent GB-259190-A (GB)
Title: Improvements in or relating to processes and apparatus for the manufacture of artificial threads or filaments
IPC: D01D5/04
Filed: 1926-08-31
Abstract: 259,190. Soc. pour la Fabrication de la Soie Rhodiaseta. Oct. 1, 1925, [Convention date]. Addition to 233,384. Apparatus for making filaments.-The several cells constituting a group in a plant for the dryspinning of artificial silk &c. are supplied with heating or cooling fluid by connections arranged in parallel with respect to main collectors which are themselves of very large diameter so as to obviate losses of head with respect to the several points at which the connections branch off, the connections being preferably interchangeable but not adjustable, and of dimensions such that there is a substantial loss of head thereat; to secure the desired uniformity it is convenient to place in each of the connections a thin plate having a small hole of predetermined diameter, or to constrict the piping to a fixed diameter for a predetermined length. Regulation of the temperature is obtained uniformly and simultaneously throughout the cells of a group, by varying the pressure which causes the flow of heating &c. fluid. The method of control is parallel to that adopted in the case of the supply of the evaporative medium as described in the parent Specification. The cells may be provided with one heating &c. element, or with more than one when it is desired that different parts of the cells should be maintained at different temperatures.
Patent GB-1501193-A (GB)
Title: Design and construction of hulls for marine craft
IPC: B63B1/18
Filed: 1975-05-20
Abstract: 1501193 Power boat hulls ROTORK MARINE Ltd 18 May 1976 [20 May 1975] 21553/75 Heading B7A A marine craft, e.g. propelled by jet units, comprises a hull, rectangular in plan, with a flat under-surface having longitudinally extending members 22, 23 at each side, and one or more longitudinal projections 25, 26 to form channels 27, 28, 29 which trap air passing under the upwardly curved stem 17. The members 22, 23 decrease in depth from stem to stern. The hull is made from resin reinforced synthetic plastics, or aluminium, in a torsional box construction filled with plastics foam. The jet unit entrances (44), Fig. 4 (not shown), are formed in the projections 25, 26.
Patent GB-774642-A (GB)
Title: Improved apparatus for separating suspended particulate material from gases by mechanical cleaning and electrostatic precipitation
IPC: B03C3/16
Filed: 1955-07-27
Abstract: 774,642. Electrostatic precipitation. RESEARCH CORPORATION. July 27, 1955 [Aug. 27, 1954], No. 21664/55. Class 39(1). [Also in Group XII] A mechanical cleaner 18 composed of an assemblage of inclined plates with channelled edges (see Group XII) removes the water, and an electrostatic precipitator 22 removes the dust from air withdrawn from a plate-scarfing or similar machine 10 utilizing water sprays.
Patent GB-934521-A (GB)
Title: Improvements in apparatus for cooling pulverulent material
IPC: F28D7/12
Filed: 1961-06-16
Abstract: 934,521. Tubular heat-exchange elements. F. J. McENTEE. June 16, 1961 [July 11, 1960], No. 21830/61. Classes 63 (2) and 64 (3). In the apparatus for grinding and cooling cement in a closed circuit disclosed in Specification 934,522, [Group II], tailings discharged from a separator are cooled in a fluidised cooler comprising a cylinder 1 enclosing cooling tubes 11 and a gas-permeable hearth 4 sloping towards the outlet pipe 23 leading to a discharge conduit 22 incorporating an adjustable weir. Each tube comprises concentric tubes 13 and 14, the latter closed by a cone 16 and having outwardly extending, radial fins 15, and the former being spaced at 18 from the latter by legs 17. Sets of cooling tubes 11 are connected serially by pipes 21 connecting water pipes 14 and by inverted U-pipes 13a connecting the inner pipes 13, and water entering at 13, Fig. 1, passes in turn through the tubes to leave at 13b. A single cooling pipe, Fig. 8 (not shown), is divided by a partition to provide a U-shaped path for the water. Charge material entering at 2 over a distributing cone 9 is fluidised by air or gas from a plenum chamber 6, and an aerator 28 in the outlet pipe 23 fluidises the material in the discharge conduit 22 to produce a lower density than in the cooler, thus inducing a discharge through the legs 24, 25 of the conduit 22. The level of material in the cooler is controlled by an adjustable weir 24a, Fig. 5, associated with removable plates 24c. In a modification, Fig. 11 (not shown), a central material feed tube extends downwardly from the top of the cooler to a point near the horizontal gas-permeable hearth, material outlets being provided on opposite sides near the top. A further modification, Fig. 12 (not shown), has a central discharge tube with a lower injection pipe as disclosed in Specification 637,472, [Group XXX]. This embodiment is divided by vertical partitions into sectors which may have a variable non-uniform air supply as disclosed in Specification 804,014, [Group II].
Patent GB-710430-A (GB)
Title: An improved fencing post
IPC: E04H17/10
Filed: 1951-09-17
Abstract: 710,430. Fence posts. DUKE, I. A. Sept. 17. 1951 [Sept. 18, 1950], No. 21833/51. Class 45 A fencing post 1 is provided with corrugations or recesses 2 in the surface of one side or wall and has clip means 4 loosely mounted to pass around the post to affect engagement with a wire 3 at two positions, the wire or clip engaging in one of the corrugations or recesses in the post so that the wire with the clip connected to it can be moved as may be required for the purpose of adjusting the vertical position of the wire relatively to the post. The corrugations may be arranged in groups as shown or can be arranged in a continuous series. When arranged in groups, holes 10 may be provided through the post between the groups in which staples can be secured to support additional wires. The post is of wood or concrete.
Patent GB-460718-A (GB)
Title: Improvements in or relating to cameras
IPC: G03B19/02
Filed: 1935-08-02
Abstract: 460,718. Photographic cameras. POLYFOTO, Ltd., WATSON & SONS, Ltd., W., and GREEN, C. E. Aug. 2, 1935, No. 21972. [Class 98 (i)] In a camera for taking a plurality of exposures on a single plate or film, a cap is provided for insertion or removal of the photographic plate, which cap is automatically locked after the plate or film has started its movement and until the plate or film has been returned to its initial position. The plate holder 2 with its dark slide 3 and photographic plate 4 are moved horizontally and vertically in guides 6 by means of a handle 5 and rack 7. In its starting position, the rack 7 abuts against a pivoted lever 10 and moves a spring urged bolt 12 out of engagement with a recess 14 in the cap 15. This enables the cap to slide back for removal or insertion of a plate. When the plate holder has moved away, a spring 13 forces the bolt 12 into the recess 14 to lock the cap 15. When the plate holder 2 reaches the end of its movement, it strikes against a projection 17 on a tilting latch 18, liberates a pivoted arm 19 and moves a projection 23 into the path of handle 5. This arm 19 is integral with an external control arm 21 and the plate holder 2 is raised thereby, a projection 28 on the arm 19 engaging under the holder. A latch maintains the arm 21 in both extreme positions. When the plate holder returns to its initial position, it releases the bolt 12 by engagement with the lever 10. The cap 15 slides in grooves 30 against a spring 31 and has a projection 32 which engages an upwardly extending lug 34 on a nose piece 35 which is attached to the holder 2 by a spring 351. When the cap is slid away and the nose piece 35 has been retracted, the plate can be inserted along guide members 38. When the cap is slid back, the nose piece overlies and holds the plate 4 and dark slide 3 but allows the sheath 36,to be withdrawn. Specification 401,543 is referred to.
Patent GB-395173-A (GB)
Title: Switching arrangement for step transformers for large currents
IPC: H01F29/04
Filed: 1932-08-06
Abstract: 395,173. Regulating transformers. SIEMENS-SCHUCKERTWERKE AKT. GES., Siemensstadt, Berlin. Aug. 6, 1932, No. 22155. Convention date, Aug. 7, 1931. [Class 38 (ii).] A switching arrangement for step transformers for large currents, capable of being regulated under load, comprises tap selectors 2a, 2b connected to primary windings E1, E2 of auxiliary transformers the secondary windings S1, S2 of which can be short-circuited directly or through resistances 4a, 4b, or open-circuited, by rotation of a switch 3. In the position shown in Fig. 2 both secondary windings are short-circuited, the resistances of the primary windings are negligible, and the load current, taken from a tapping between the primary windings E1, E2 is divided equally on the selectors 2a, 2b. On rotating the switch 3 through 90‹ in a clockwise direction the winding S2 is opened, and the resistance of E2 becomes very high compared with that of E1, so that the selector 2b becomes practically dead and can be advanced to a new position. In the next position of the switch 3 both secondary windings are short-circuited through the resistances 4a, 4b, which may be so dimensioned as to produce a voltage drop across the auxiliary transformers equal to the voltage of one step of the main transformer winding 1. In a modification, Fig. 3, the resistances are in the form of choking coils wound on a common core 4. The auxiliary transformers may be wound as autotransformers.
Patent GB-161889-A (GB)
Title: Improvements in bottle capping machines
IPC: B67B3/20
Filed: 1920-07-26
Abstract: 161,889. Carpmael, W. P., (Russell, R. A.). July 26, 1920. Stoppering.-A machine for applying screw caps to receptacles comprises one or more rotary elements arranged to engage the caps frictionally and impart to them a combined axial and rotary movement, and includes means for pressing axially upon the caps. Means for feeding receptacles and caps and means for holding the receptacle motionless while capping are also provided. The machine is shown in plan in Fig. 2 and in transverse sectional elevation in Fig. 3. It comprises side frame members 1, 2 and 3, 4 and a plate 113 for supporting the receptacles, a conveyer belt 13 feeding the receptacles to and conveying them away from the plate 113. The means for screwing in the caps consists of two inclined rotary discs 17, 18 provided for about one half of their peripheries with friction facings 29, 30, respectively, which may be of leather, rubber, &c. These facings enlarge the radial dimensions of the discs and engage opposite sides of the cap 31, as shown in Fig. 6, for screwing it bome. Thus, during part of their rotation, the discs engage the bottle caps. but during the remainder of their rotation the space between them is sufficient to allow a bottle with a cap to pass into or from the operating position. In passing through the machine, the bottles are guarded by rails 32, 33, 35 and are fed step-by-step by fingers 58, 59 which project horizontally from bars 56, 57. These bars carry arms 54, 55 which are pivoted to crank pins on horizontal rotating discs 52, 53. Thus the fingers 58, 59 are given a rotary movement in a horizontal plane and they enter between the bottles, feed them step-by-step along the plate 113 and space them. The first finger 158 is yieldingly mounted on the bar 56 in order to prevent it from crushing a bottle should it be out of position on the conveyer band. The screw caps are stored in a shoot 60, and the lowermost cap is held by leaf springs in such a position that it is engaged and removed by the mouth of the incoming bottle. The bottle is held against rotation in the operative position by a swinging arm 65, having a friction facing 67, which is actuated by a cam 72 on the shaft of the disc 18 to press the bottle against the side rails 32, 33. On the opposite side of the bottle, a yoke 73, mounted on a swinging arm 74, is moved inwards periodically by a cam 77, thus causing it to embrace the side of the bottle and, with the arm 65, to hold it firmly against rotation. In order to ensure that the caps are properly seated on the bottle neck while being screwed home, a plate 88, arranged above the path of the bottles and pressed downwards by a spring, engages the cap as a bottle moves into the operating position and presees it on to the bottle neck. A roller 217, carried by the disc 17, causes further downward pressure by the plate 88 just before the cap is engaged by the rotating discs thus sealing the cap firmly in position.
Patent GB-957195-A (GB)
Title: Apparatus for the setting of the correct weight on a dial scale
IPC: G01G23/20
Filed: 1960-06-24
Abstract: 957,195. Weighing apparatus. VERWALTUNGSGESELLSCHAFT DER WERKZEUGMASCHINENFABRIK OERLIKON A.G. June 24, 1960 [June 27, 1959], No. 22287/60. Heading G1W. An adjustable arm 8, carrying a signalling device (such as the lamp and photo-cell combination 10,11) which is actuated when the pointer 12 of a weighing machine reaches a predetermined position on a dial 9, is set to the required position by a series of planetary or like addition gears controlled by cams driven by a driving shaft 13 to which the cams may be locked in response to an electrical control device. Each of the three planetary gears 22a, 25a, 22b and 22c, 25c is associated with one digit of a three-digit numerical value for the setting of arm 8 on the dial 9 and the gears are connected in series so that the shaft 7 carrying the arm 8 rotates to the appropriate extent in dependence upon the independently controlled rotations of the individual gears. The first cam 16a, when rotated by the driving shaft 13, drives through pinion 20a a drive gear 21a for the first planetary gear. The drive gear 21a carries the stem 24a of the planet pinion 25a whose sun pinion is freely rotatable on shaft 5. A gear 26a integral with the planet pinion drives a gear 27a integral with the sun pinion 22b of the next planetary gear. The succeeding planetary gears are driven and interconnected in like manner, the coupling be- . tween adjacent gears bearing a ratio of 10 : 1 and the whole gear train driving the adjusting shaft 7 by means of the coupling 26c-27c. A spiral spring or other resistant may oppose the motion of this shaft in order to neutralise gear play. Each of the cams 16a, 16b, 16c driving one of the planetary gears is clutched to the drive shaft 13 by a spring-urged plate 17a, b or c, each plate 17 being connected through a spring 18 to a plate 19 keyed to the shaft. A notch 28 in the periphery of each cam 16 may be engaged by a solenoid operated plunger (not shown) so that the cam rotates only when its plunger is withdrawn. Information presented to the control circuit (not shown) in digital form, e.g. on punched cards or by keys, is made to withdraw the plunger solenoid of each cam for a sufficient number of revolutions of the drive shaft 13 to cause the correct rotation of the adjusting shaft 7 in accordance with the corresponding digit of the required setting. Switches 33 co-operating with lugs 32 on the cams signal each rotation thereof to the control circuit. For resetting the arm 8 to zero, the motor 15 driving the shaft 13 may be reversed and switches 35 operated by lugs 34 carried by the drive gear of each sun pinion provide signals to the control circuit when each of the said pinions are at their zero setting. These signals control the cam unlocking during the reset operation and the switch-operating lugs 34 are so profiled that they are only effective during the reverse motion of the drive shaft.
Patent GB-755795-A (GB)
Title: Magnetic core
IPC: H01F27/245
Filed: 1954-07-30
Abstract: 755,795. Transformers and inductors. McGRAW ELECTRIC CO. July 30, 1954 [July 2, 1954], No. 22338/54. Class 38 (2). The joints 18, 19 in the corner of a laminated magnetic core between leg and yoke portions 11, 14, of which portions the yoke is wider than the leg by a dimension r, deviate from the true 45 degrees diagonal, the joint 19 in one layer deviating on the opposite side of the diagonal to the deviation from the diagonal of the joint 18 in the succeeding layer, thus forming a tapering overlap area giving greater rigidity to the core. Such a construction causes triangular voids 21, 22 to be formed so preventing the flux from crowding around the inner perimeter of the core; the tapered overlap area also causing a uniform flux distribution at every perimeter over the width of the laminations. A three-phase core construction is described, each yoke being either in one or two parts.
Patent GB-1430426-A (GB)
Title: Apparatus and methods for measuring the distance between reflective surfaces eg of transparent material
IPC: G01B11/06
Filed: 1973-05-10
Abstract: 1430426 Thickness measurement G U KALMAN 10 May 1973 [22 May 1972] 22363/73 Heading G1A Apparatus for measuring the thickness of transparent material i.e. for measuring the distance between first and second radiation reflective surfaces comprises means projecting a beam or radiation toward the surfaces to produce first and second reflected beams, sensing means including an array of radiation responsive element extending across the paths of the reflected beams, and detector means connected with the sensing means, for detecting the distance between the intercepted elements, this distance being proportional to that between the first and second surfaces. The radiation responsive elements are preferably photodiodes arranged in a single line in an integrated circuit which circuit is disposed in a sensing head adjacent the item to be measured. The sensing head has a window through which a beam of light at a definite angle to the surfaces is passed and after reflections is allowed to impinge on the array. The source of light and other electronic components are retained in a separate unit remote from the head and connections thereto are made by fibre optic bundle and cable respectively. Each photo-diode of the sensor array is connected in operation in turn to a sample and hold circuit via a shift register. All the circuits are controlled by a master clock and the sample and hold circuit is cleared between each step of the register. The output from the sample circuit is applied to a threshold circuit which causes a bi-stable to be set upon receipt of the first input thereto which is above the threshold indicative of the first reflected beam and to be reset by the corresponding first input thereto indicative of the second reflected beam whereby an AND gate is enabled for a time indicative of the distance between the intercepted photo-diodes. A constant current source is connected via the gate to an integrator which thereby provides at the end of a scanning cycle, a voltage corresponding to this distance. This is passed to a tolerance circuit and an alarm is illuminated if the thickness is outside a required range. In a modification a clock source is connected via the AND gate to a counter.
Patent GB-906581-A (GB)
Title: Welding apparatus
IPC: B23K9/028
Filed: 1961-06-21
Abstract: 906,581. Welding by fusion. WESTING- HOUSE ELECTRIC CORPORATION. June 21, 1961 [July 8, 1960], No. 22395/61. Class 83 (4). In an arc welding machine for making circular welds, e.g. for welding tubes 65 to a plate 64, in which a main insulating body 13 rotatably supports a hollow spindle 15 carrying a gas shielded arc welding torch 21, a tube 36 connected to a welding current supply cable 54 and a shielding gas supply 55 is non-rotatably mounted on the main body 13 and gas and current are conveyed through the tube 36 and the spindle 15 to the torch 21. A carbon sealing ring 39 is interposed between the tube 36 and the spindle 15. An electric motor 57 clamped to the body 13 rotates the spindle 15 through gears 60, 61 mounted on insulating bushes 62, 63. The torch 21 is angularly adjustable on a hollow adapter 22 radially secured on the spindle 15. Adjustable legs 70 support the machine on the plate 64, and resiliently mounted pins 75 locate the machine relative to the holes in the plate 64. The machine may be used to weld tubes in vertical plates.
Patent GB-773784-A (GB)
Title: Improvements in or relating to conveyor systems
Inventor: CLEAL EDWIN WILLIAM
IPC: B65G17/40
Filed: 1953-08-14
Abstract: 773,784. Spacing articles on conveyers. LAMSON ENGINEERING CO., Ltd. Sept. 12, 1955 [Aug. 14, 1953], No. 22498/53. Class 78 (1). [Also in Group XL (b)] Apparatus for spacing articles in a conveyer system comprises a pair of endless conveyers 2, 3 and a pallet 17 which is raised each time an article passes from conveyer 2 to conveyer 3 and retains the succeeding articles for a predetermined period of time. The conveyers are of the multi-strand chain type and are driven from a motor 14 through chain and sprocket gearing which is arranged to drive conveyer 3 at twice the speed of conveyer 2. The pallet, which is of comb formation and operates between the strands of conveyers 2, 3, is pivoted to the frame of conveyer 2 at 23, and is raised from the position shown in chain line to the full line position by a pneumatic thrustor 25 which is controlled by a photo-electric cell and light beam device (Fig. 2, not shown), which detects the gaps formed between the articles at the transfer point. In various modifications (not shown), (a) the conveying surfaces of conveyers 2, 3 lie in the same plane; (b) the apparatus comprises a single conveyer, the conveying surface of which is arranged in two inclined runs; (c) the conveyers consist of single bands, and the pallet is arranged to engage the overhanging sides of the articles, and (d) the photo-electric device is replaced by a roller which detects the reduction in pressure which occurs as each article passes it.