baber/WOPTO huggingface dataset:
Patent GB-226417-A (GB)
Title: Improvements in or relating to thermionic valve circuits for wireless systems
IPC: H03F3/02
Filed: 1924-04-04
Abstract: 226,417. Rogers, K. D., and Dowding, G. V. April 4, 1924. Thermionic amplifiers, detectors, and generators.- In a wireless transmitting or receiving system, a thermionic valve has an additional grid 7 between the ordinary grid 2 and the filament 3, positively charged by connection to the filament battery positive pole, and the main grid 2 is connected to the filament battery B, to enable the output circuit to be energized only by its connection between the plate 6 and filament 3. Fig. 2 shows a detecting valve circuit in which the additional grid 7 is connected directly, and the main grid 2 through a high resistance R<1>, to the positive pole 7 of the filament battery B. A coil 8 gives electromagnet reaction. Fig. 4 shows a high frequency amplifying valve having a potentiometer P, to adjust the potential of the main grid 2, and with a reaction coil. 10 coupled to the air core high frequency output transformer T. In the case of an audio-frequency amplifying valve, a high resistance shunted by a condenser is connected between the secondary of the input transformer and the filament battery, preferably to the negative poles.
Patent GB-750962-A (GB)
Title: Improvements in or relating to vibration-resistant mounting for a capacitor type tank unit
IPC: G01F23/26
Filed: 1954-03-24
Abstract: 750,962. Resilient mountings. LIQUIDOMETER CORPORATION. March 24, 1954 [May 21, 1953], No. 8583/54. Class 108 (3). [Also in Groups XXV and XXXVI] A cylindrical shell 12, forming part of a sensing unit for a capacitor-type liquid-level meter, is supported by resilient, electricallyinsulating spacing members 13 within a cylindrical flange 11 forming part of a housing 10 mounted rigidly within the tank in which the liquid level is to be measured. The spacing members are retained in place by an annular locking member 18, having a shoulder portion which engages with corresponding portions on the members 13 and a screw-threaded portion which engages with complementary screw threads on the outside of the cylindrical flange 11. As shown in Fig. 3, comprising a section on the line 3-3 of Fig. 1, six spacing members are provided, the members being recessed to receive the heads of the rivets by which they are attached to the shell 12. A locking ring 24, Fig. 5, surrounds the flange portion 11, an inward protrusion 26 of the ring engaging with a recess 25 of the flange. The ring is provided with slots 28 which lie close to holes formed in a depending portion of the locking member 18. A piece of wire 30 is passed through two adjacent holes and its ends twisted together to prevent the member 18 from being worked loose inadvertently, e.g. by vibrational forces. Specification 616,272 is referred to.
Patent GB-1133718-A (GB)
Title: Process and device for the carbonization of wool
IPC: D01C5/00
Filed: 1966-02-28
Abstract: 1,133,718. Drying. H. FLEISSNER, H. FLEISSNER, and G. FLEISSNER, [trading as ANSALT FUER PATENTDIENST]. 28 Feb., 1966 [14 April, 1965; 14 Oct., 1965], No. 8595/66. Heading F4G. [Also in Division D1] In a continuous process for the carbonization of wool, the wool wetted with acid is dried and heated to dehydrate the wool and carbonize the cellulosic matter in the drying and carbonizing device shown in Fig. 2 which comprises a housing 8 subdivided by partition 11 into two treatment chambers 12 and 13 which are separated by a bottom 18 from fan chambers 19 and 20 containing fans 21 which suck air out of the treatment chambers, so that air is passed through the loose fibrous material 1 deposited on conveyer belts 22 and23, the air sucked out by the fans 21 being passed over a heating device and fed into the top of the treatment chambers 12 and 13. A pair of rollers 17 seals the intake and consolidates the fibre fleece and rollers 17<SP>1</SP> are also provided at the point where the material passes from chamber 12 to chamber 13. Shoot 24 passes the material on and reverses it and roller 25 consolidates it. The bearing surfaces of the conveyer belts 22 and 23 are sealed at the sides so that the total quantity of air penetrates the material deposited on the conveyer belts and the conveyer belts. In an alternative device wool wetted with acid is passed over two sieve drums provided with baffle plates and fans which suck air out of the sieve drums in a first chamber to effect predrying and consolidation of the fleece and is then passed to an adjacent chamber through which it is passed on a conveyer belt beneath which are arranged fans so that heated air is sucked through the material on the conveyer belt, the material being consolidated on the conveyer belt by means of rollers.
Patent GB-491207-A (GB)
Title: Improvements in or relating to reels for grain binders
IPC: A01D57/04
Filed: 1938-03-21
Abstract: 491,207. Harvesting-machines. INTERNATIONAL HARVESTER CO. OF GREAT BRITAIN, Ltd. (International Harvester Co.) March 21, 1938, No. 8620. [Class 6 (iii)] The rotating shaft 7 for the reel 8 of a grain binder is carried in bearings on a frame 9 adjustable along an approximately upright member 11 secured by a pivot 13 to a strut 6 extending between the front end of the seat pipe 3 and the main platform 1. A hand lever 16 is pivoted to the rear of the frame 9 and is provided with a latch rod adapted to be engaged in the desired one of a series of holes in the member 11. The lever 16 is also pivotally secured to a vertical bar 18 attached by a pivot 19 at its lower end to a sleeve member 20 mounted on the seat pipe 3. The bar 18 is adapted to be rocked about the pivot 19 by a hand lever 22 to which it is connected by a link 21. A bell-crank lever 25 pivoted on the lever 16 in alignment with the pivot between the lever 16 and bar 18 has one arm connected to a spring 27 anchored at its opposite end to a point 28 on the lever 16 near the frame 9 and the other arm connected to the upper end of a rod 29 extending parallel to the bar 18 and attached at its lower end to an ear on the sleeve 20. Movement of the lever 16 adjusts the reel vertically and movement of the lever 22 adjusts it horizontally, the spring 27 exerting a counterbalancing pull that is maintained approximately constant.
Patent GB-703137-A (GB)
Title: Improvements relating to thread-spinning or twisting pots
IPC: D01D7/02
Filed: 1952-04-07
Abstract: 703.137. Centrifugal spinning apparatus. HART & ZN INSTRUMENTEN-EN APPARATENFABRIEK N.V. April 7, 1952 [April 13, 1951], No. 8794/52. Class 120(2) [Also in Group XXXIV] In apparatus for spinning or twisting threads comprising a pot 1 carried by a rotatable tube 4 which is mounted in ball bearings 6, 7, the bearings are lubricated by oil supplied in drops from a supply 14 and the oil drains to a collector 15. Between the base of, the collector and the upper surface of the pot 1 is, a slit 21, oposite to which are openings 22 formed in the tube 4, to prevent oil from being sucked out of the collector 15 through a space 17 as the pot rotates. The tube 4 is mounted in a casing 8 formed with a partspherical surface 10 permitting the pot 1 to oscillate within limits determined by a rubber ring between the casing and the machine. The oil in the collector 15 may drain through a pipe 19.
Patent GB-1484798-A (GB)
Title: Link assembly for joining two beds or the like
IPC: A47C19/02
Filed: 1976-01-13
Abstract: 1484798 Furniture coupling means A SIZEN 13 Jan 1976 [3 March 1975] 8811/75 Heading A4U [Also in Division E2]  A link assembly for inter-connecting two articles of furniture, e.g. beds or cupboard doors, comprises a bar having an opening 3 at one end for pivotally receiving a headed pin 5 which has a through bore 7 for a fixing screw, and slot 8 at the other end for receiving a similar pin 10, the pins being secured to the respective articles of furniture. The bar is preferably of plastics material and the slot 8 is a snap fit on the pin 10. A projection on the pin may be engageable with a lug on the bar to limit the movement of the bar.
Patent GB-454768-A (GB)
Title: Open-work seam
IPC: D05B3/04
Filed: 1936-03-25
Abstract: 454,768. Sewing. FAIRWEATHER, W. C., 65, Chancery Lane, London.-(Singer Manufacturing Co. ; Elizabeth, New Jersey, U.S.A.) March 25, 1936, No. 8852. [Class 112] An ornamental openwork seam is produced by stitching two rows zigzag stitches along a series of punched holes, the nearest stitches of the rows passing through the holes and the others being anchored in the fabric. In forming the seam, the needle descends through the material at the point a, the piercer being inoperative for this needle stroke. On the upstroke of the needle, the work is shifted to the right and advanced. On its next descent the needle enters the previously punched opening A laying the thread b and the piercer descends to form the hole B. On the following upstroke of the needle, the stitch is completed, the work being moved to the left and fed forward. The needle next descends to enter the point a<1> laying the thread c, the piercer being inoperative for this stroke. On the upstroke of the needle the next stitch is completed, and in the next downstroke the needle enters the hole B, the piercer then making the hole C. On finishing the row of zigzag stitches on one side of the holes, the material is turned through 180‹ and the other row formed, the piercer entering the existing holes. The piercer is operative on alternate strokes of the needle. The seam may be formed on a machine such as described in Specification 457,250.
Patent GB-877233-A (GB)
Title: Plain bearings
Inventor: LOVE PHIL PRINCE
IPC: F16C32/06
Filed: 1958-03-19
Abstract: 877,233. Lubricating bearings. GLACIER METAL CO. Ltd. March 19, 1959 [March 19, 1958], No. 8856/58. Classes 12 (1) and 12 (3). In a plain bearing of the spiral type comprising an upper bearing surface 9, a lower bearing surface 8 and a principal step 11, pressure-control means are provided for controlling, during normal operation of the bearing, the pressure of the liquid lubricant within the clearance between the cylindrical journal 1 and the bearing within the region which extends 180 degrees in an upstream direction from the principal step 11. The upper bearing surface 9 is semi-cylindrical and of larger radius than the semi-cylindrical lower bearing surface 10, the surfaces being interconnected by the principal step 11 at one side and a smaller auxiliary step 12 at the opposite side. Oil under pressure is introduced into the bearing, at the region 13 adjacent the principal step 11, through passages 32, 33, 34, 35 and a narrow slot 43 in such a manner as to prevent foaming of the oil. On rotation of the journal 1, the oil is carried around the bearing through the progressively reducing clearance and escapes at the ends of the bearing, passing over the surfaces of weirs 51, 52 to collector rings 53, 54, the upper halves of which are provided with splash shields 55, 56. Oil bleed grooves 61, 62 are provided at the ends of the slot 43. The lower bearing member 3 has formed in its bearing surface two relatively deep circumferentially extending parallel grooves 21 and 22 located just upstream of the principal step 12. The grooves are interconnected by a passage .23 which is connected by way of passages 26, 79 to an adjustable pressure-relief valve 86, forming the subject-matter of Specification 877,234, which controls the oil pressure in the grooves 21, 22 during normal operation. The valve 86 also includes control means for supplying high-pressure oil to the grooves 21 and 22 during starting-up and stopping operations to jack up the journal on a film of oil. The bearing members 2, 3 are assembled with the aid of two dowel pins inserted into bores 63 ... 66. Specifications 684,247 and 865,531 also are referred to.
Patent GB-295145-A (GB)
Title: Improvements in and relating to submarine mines, and other explosive charges for submarine use
IPC: F42C5/00
Filed: 1916-06-24
Abstract: 295,145. Skipwith, H. L. d'E., and Taylor, H. J. June 24, 1916. Mines, marine.- Relates to firing and safety devices for submarine mines, and consists in the provision of one or more balls for locking two members together when the balls are confined by a third member. In Fig. 1, a spring striker 2 provided with a firing pin 1 is locked to a fixed sleeve 4 by balls 6 confined by an outer sleeve 7 into recesses 5 in the sleeve 4 and a groove 3 in the striker 2. The outer sleeve 7 is moved down by an hydrostat 9, which also compresses the spring 11 of the striker. At the appointed depth, a recess 8 in the outer sleeve 7 comes opposite and releases the balls 6, whereupon the compressed spring 11 thrusts the striker against the detonator 12. In a modification, the balls release a primer, which is then brought by the spring within firing reach of a detonator. The movement of the releasing member 7 may be rotary instead of linear. Reference has been directed by the Comptroller to Specification 124,525.
Patent GB-431220-A (GB)
Title: Improvements in and relating to potters' jiggers and the like
IPC: B28B1/02
Filed: 1934-03-22
Abstract: 431,220. Pottery manufacture. JONES, A., and JONES, W. H., Globe Engineering Works, Cooke Street, Longton, Stoke-on- Trent. March 22, 1934, No. 8950. [Class 87 (i)] A jigger spindle 13 is carried in bearings 14, 15 and 16 spaced widely apart by a sleeve 17 and located in a cylindrical or other housing 10 which is attached to a table or support, e.g. by a flange 11 and is detachable therefrom with the spindle and bearings as a single unit. A cap 20 secured to a part 19 of the spindle 13 fits over the top of the housing 10 and over a collar 18 which closes the housing. The cap is provided with steps fitting against steps 18<a> on the collar 18, and protects the upper bearings ; it also throws off water or slip which falls on to it. Grooves for oil are provided in the steps 18<a>, and at 22. 14, 16 are ball or roller bearings, and 15 are thrust bearings. In a modificaton, the bearings shown are replaced by an upper and a lower thrust bearing separated by a sleeve and adjusted by a nut screwed on to the spindle.
Patent GB-437238-A (GB)
Title: Improvements in or relating to chain gears
IPC: F16H7/06
Filed: 1935-03-22
Abstract: 437,238. Chain gearing. WESTING- HOUSE ELECTRIC & MANUFACTURING CO., East Pittsburg, U.S.A.-(Assignees of Dunlop, J. ; 1517, South Crescent Avenue, Park Ridge, Illinois, U.S.A.) March 22, 1935, No. 9030. Convention date, April 12, 1934. [Class 80 (i)] [See also Group XXX] In chain gearing, more especially for moving stairways and elevators, the point of engagement of the chain 19 with the sprocket 10 is determined by a guide shoe 42 supported by the framework and extending under and engaging the chain itself only during that portion of its travel immediately preceding and up to the point of engagement. In the form shown, the slotted guide shoes 42 are adjustably secured by bolts 47 to a fixed bracket 46 so as to embrace the sprocket teeth. The shoes 42 have rollers 57 engaging a projecting rim 55 on each face of the sprocket. Slightly curved or inclined surfaces 50, 51 are provided at the edges of the shoe to ease the spoolshaped chain rollers 22 into engagement with the straight surfaces 50a, 51<a>. An additional guide bar 70 may be provided.
Patent GB-622764-A (GB)
Title: Improvements in or relating to butter churns
IPC: A01J15/14
Filed: 1947-04-02
Abstract: 622,764. Milk churns. MARTIN, S. H., and HILL, R. April 2, 1947, Nos. 9035 and 10633. [Class 86] A frame for a small milk churn of the end-over-end type utilizing a glass preserving jar 1 or the like comprises two C-shaped resilient members 10 spaced by bars 11. The jar 1 is supported in a metal band 3 secured around its middle by a nut and bolt 4. The band 3 is provided with two tubular members 5, 6 which are riveted in place at diametrically opposite sides. The member 5 has secured in it a spigot which engages in a bushing in the top of one C-shaped side-member; whilst the member 6 is provided with a slot 9, Fig. 3, in which a key 15 of a spigot 14 locks. The spigot 14 is journalled in the other C-shaped side-member and is cranked to form a handle 16. By splaying apart the side-members 10, the jar and band &c. may be freed from the frame. A loose stirring blade 20 placed inside the jar 1 is of length equal to the depth of the jar and of about 1/3 to ¢ its diametrical width. The blade is forked at each end 21 to provide a path through which the milk may circulate.
Patent GB-866108-A (GB)
Title: Improvements in or relating to roof supporting appliances for mines
Inventor: WALSH DONALD THOMAS
IPC: E21D23/00
Filed: 1958-03-21
Abstract: 866,108. Mine-roof supports. GULLICK Ltd. March 10, 1959 [March 21, 1958], No. 9039/58. Class 20(2) Mine-roof support bars 11, partly of boxgirder section, are supported by two pairs of hydraulic props 12 and are flexibly united by tie-rods 25, journalled in resilient bearings 26 in the bars. The ends of the props are resiliently supported in rubber-lined sockets 23, 24 in the bars and 13 on a base-plate 10 allowing for unevenness of the roof and the ground. A further hydraulic ram 19 is adapted to operate coal-loading machinery or to advance the structure.
Patent GB-395309-A (GB)
Title: Improvements in pneumatic hammers
IPC: B25D9/14
Filed: 1933-03-25
Abstract: 395,309. Percussive tools. ELOY, F., 1, Rue de Pitteurs, Liege, Belgium. March 25, 1933, No. 9043. Convention date, Nov. 22, 1932. [Class 124.] The distributing- valve is housed in a chest 5 at the rear of the tool to which fluid is supplied by a control valve 7 operated by a lever 8 in the handle 6. The valve comprises three parts. Differential pistons 10 . . 13 which function as lift valves and control the admission to the two ends of the cylinder, and a central piston 14 with reduced ends 15, 16 which transmits pressure from one valve end to the other, and constitutes an auxiliaryexhaust valve for the main cylinder, the main exhaust being controlled by the piston overriding ports 46. The parts 10, 12, 14 are housed in the same bore 17. The faces 24, 25 on the parts 11, 12 engage seatings 22, 23. The surrounding grooves communicate with the inlet 26 and with the rear and forward cylinder admission ports 29, 31 respectively. The inner ends of the chambers 18, 19 communicate with the cylinder by passages and ports 42, 44, 43, 45. The passages 32, 34 controlled by the piston 14 are connected by passages 36, 38, 37, 39 with the cylinder ; the passages 33, 35 controlled also by the piston 14 are connected by passages 40, 41 to the exhaust. When the 'piston rising closes the auxiliary exhaust port 39, compression ensues. When the lower edge of the piston uncovers the port 45, air passes to the lower side of the part 13. The resulting difference of pressure on the parts 12, 13 is less than the pressure of air on the annular face 24 of the member 10, 11. The valve elements rise, the upper supply port is closed, the port 29 is opened, the decompression passages 33, 34 are closed, and the passages 32, 35 are opened.
Patent GB-543961-A (GB)
Title: Improvements in apparatus for cleaning windows
IPC: A47L1/06
Filed: 1941-07-17
Abstract: 543,961. Squeegees. LIDIN, E. L., and RICKARD, E. July 17, 1941, No. 9067. [Class 19] For cleaning the inside surfaces of double panes, strips of rubber 2 are mounted in holders 1 pressed together by a spring 5 by which they are mounted on a tubular member 4 mounted on a handle 3 having a coned end 8 and connected with the tube by a pin 7 and inclined slot 6 or similar connections. The device is inserted between between the panes while collapsed, the holders being separated by means of the wedge when the handle is turned relatively to the tube. The handle is hollow to take a strut for holding the double window in an open position while being cleaned.
Patent GB-144833-A (GB)
Title: An improved rubbing board for washing clothes and the like
IPC: D06F1/00
Filed: 1919-04-10
Abstract: 144,833. Johnson, G. W., and Moncaster, M. April 10, 1919. Drawings to Specification. Washing-boards of the type in which a series of rollers are loosely fitted into holes in the frame of the device have the rollers arranged so that their axes do not lie in one plane but form a sinuous curve. Some of the rollers may be fixed.
Patent GB-177790-A (GB)
Title: Improvements relating to rotary tubular machinery
IPC: F27B7/38
Filed: 1922-03-29
Abstract: 177,790. Stone, E. G. March 29, 1921, [Convention date]. Continuous-discharge apparatus, rotary,-Rotary cylinders, such as are used in rotary furnaces and kilns, and in apparatus for drying, or similarly treating material, are supported on rigid bearings and are buoyed up during rotation by water contained in a jacket surrounding the cylinder. The rotary kiln, Fig. 1, comprises a calcining zone 1 and a cooling zone 7, each consisting of a hollow drum supported on rollers and encased in water chambers 5, 6 and 9, 10 respectively. which are built up of concrete sections bolted together. Sumps 22 are formed in the water chambers 5, 6 to permit access to additional roller bearings 4 provided within the chambers. The walls of the cylinders 1, 7 are constructed of an outer shell 11 of concrete, Fig. 6, between which and the fire-brick lining 16 are successive layers of timber 12. steel sheets 13, and asbestos 14, steel rods being provided in the latter layer and embedded in cement. The bearing surfaces of the drums are formed by rings 17 on the shell 11, which are covered by cast-iron rings 18 and steel tyres 19. The chambers 5, 6, 9, 10 are rendered comparatively water-tight by the provision at their rear ends, of joints comprising a cover 28, of rubber or canvas fixed to end pillar 25 and pressed by springs 30, against a metal ring 27 embedded in the side of the ring 18. A pump or other means is provided to return to the water chambers any water which may leak.
Patent GB-851830-A (GB)
Title: Pressure vessel
Inventor: GREENLEE HARRY RUDOLPH
IPC: B21D51/24
Filed: 1956-03-23
Abstract: 851,830. Dispersing liquids by gaseous pressure. CHRYSLER CORPORATION. March 23, 1956, No. 9231/56. Drawings to Specification. Class 102(2). [Also in Group XXIX] In a pressurised fluid container, of the type described in Specification 821,520, the walls are formed of tubing bonded together and the tubing interior column is connected to the container interior by a manually controlled valve. Pressurised fluid is stored in the tubing and released, by means of the valve, into the container, to effect discharge of the contents. To prevent the explosive release of the pressurised fluid in the tubing, in the event of a fracture of the tubing, discs, each having a throttling orifice, are fixed at intervals along the tube length.