baber/WOPTO huggingface dataset:
Patent GB-512753-A (GB)
Title: Improvements in or relating to echo sounding recorders
IPC: G01S1/72
Filed: 1938-03-19
Abstract: 512,753. Recording-apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. and HINTON, N. P. March 19, 1938, No. 20436/39 Divided out of 515,202. [Class 106 (iv)] [Also in Group XXXVIII]- In a recording apparatus for use in echo-sounding, the recording surface comprises a drum D mounted coaxially within a frusto-conical viewing mirror CM. Illumination may be provided by a gas discharge tube DL lighted once every revolution of the drum. The drum, carrying a roll of electrolytic paper is rotated at a constant speed, a roller RO being slowly rotated to displace a stylus S along the drum, the carrier C engaging a spiral groove GR. Each lap. of the paper is divided into three sections the transmitted and received pulses tr', e', tr<SP>2</SP> and e<SP>2</SP> being indicated in the first and second sections respectively according as to whether the stylus is moving in one direction or the other. During the time taken for the third section to pass, the operations necessary for the transmission such as condenser-charging are performed. In order to give an instantaneous indication a mirror M is rotated at half the drum speed, a ray of light being deflected on to a scale V. The stylus S may also be arranged to record by using a magnetic mechanism to give a blow to carbonbacked paper or by using a relay to produce ink marks on 'the recording surface.
Patent GB-837933-A (GB)
Title: Improvements in or relating to bottle or vessel filling machines
IPC: B67C3/26
Filed: 1958-06-26
Abstract: 837,933. Bottling. HOLSTEIN & KAPPERT MASCHINENFABRIK PHOENIX G.m.b.H. June 26, 1958 [June 26, 1957 ; Feb. 6, 1958], No. 20480/58. Class 125(2). In a rotating counterpressure machine, the guide bell 1 is carried for substantially linear vertical movement on a parallelogram linkage 3, 4 pivoted at 6, 7 to the central vertical column 5 of the machine.
Patent GB-275633-A (GB)
Title: Process for the separation of benzene and similar hydrocarbons from coke oven and like gas by compression and cooling
IPC: C07C7/09
Filed: 1927-08-03
Abstract: 275,633. Ges. f³r Linde's Eismaschinen Akt.-Ges., and Soc. Anon. MÚtallurgique de Sambre et Moselle, Aug. 4, 1926, [Convention date]. Condensing-processes.-In a. process for separating benzene and the like hydrocarbons from coal gases by compression and cooling, the compressed gas is first cooled to a temperature of 40‹ C. and afterwards expanded so that the ratio of pressure before and after expansion lies between 3 and 6. The gas, freed from tar and preferably ammonia, passes from a compressor 1 to a cooler 2 which is supplied with water at such a temperature and in such quantity that naphthalene, oil from the compressor and water are deposited in emulsion in a separator 3. The gas proceeds through a further cooler and 5 separator 6 to one of two alternately used counterflow coolers 7<a>, 7<b>, whence it passes e.g. at -18‹ to -20‹ C. to an expansion cylinder 9. Condensed benzene is removed in separators 10<a>, 10<b>, and the gas is finally returned through one of the counterflow coolers. A solvent such as toluene, dekahydronaphthalene, tetrachlorethane and mixtures of paraffin hydrocarbons may be supplied under pressure from a container 12 to such parts of the apparatus as may be obstructed by the deposition of solids. Specification 214,196 and 258,856 are referred to.
Patent GB-224591-A (GB)
Title: Improved generator for acetylene gas
IPC: C10H1/12
Filed: 1923-08-13
Abstract: 224,591. Bath, H. H. Aug. 13, 1923. Drip-feed apparatus; distributing liquid over solid; separating residue from unused solid in generators.-Water delivered by the usual water-control valve 9 is delivered to a wick 11 adapted to be spread out so as to cover a considerable area of the carbide, thereby ensuring an even generation of gas even whilst the carbide is being shaken. The carbide is contained in a holder 1 having a bottom dished towards the centre and at this point finely perforated; the holder is mounted on a spring 8 and is provided with a cover 3 having a central opening which when the holder is in position is closed by a hood 5 carried on the cylindrical body of the water-valve 9 and pressed downwards by a spring 6. In use, the lims separated from the carbide, is shaken through the perforations at the base of the holder, and the cover serves to prevent the escape of dust. The wick 11 is carried by a holder 12, 13 which is screwed to the lower end of the valve body, and the part 13 of the holder is arranged to hold the wick tightly against the valve; a helical spring 14 surrounds the part of the wick immediately below the holder. The wick may be supported independently of and below the valve, and it may be carried by the cover of the carbide holder. When applied to generators having a central screw for connecting the water and generating chambers, the water valve would be placed eccentrically.
Patent GB-460191-A (GB)
Title: Rove stop mechanism for spinning and like machines for the production of yarns or threads of flax, jute and the like
IPC: D01H1/00
Filed: 1935-07-19
Abstract: 460,191. Rove-stop mechanism for spinning &c. machines. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and ANDERSON, J. K. July 19, 1935, No. 20556. [Class 120 (ii)] The detector 2 of rove-stop mechanism for spinning and like machines for flax, jute and like, is freely held by the intact yarn, but upon breakage falls and a stop 2<b> thereon disturbs the dead-centre equilibrium of a lever system comprising a weight lever 9, connecting-rod 8<a>, and a lever 8, so that, as shown in Fig. 2, an eccentric bush as described in Specification 436,857 is operated by the link 10 to separate the upper rollers and the roving is gripped in a jaw 12<a>. The lever system is reset by engagement of a pin 17 on the detector with a projection 17<a> on the rod 8<a>. Owing to the eccentric mounting of the bushes of the upper rollers the retaining-bracket 14 may be fixed, but, if desired, it may be in the form of a spring-mounted lever as shown in dotted lines in Fig. 2.
Patent GB-355441-A (GB)
Title: Improvements relating to cuff links and other dress fastenings
IPC: A44B5/00
Filed: 1930-07-08
Abstract: 355,441. Sleeve-links and two-part buttons. MORTON, T., Woodlea, Oxford Road, Moseley, Birmingham. July 8, 1930, No. 20632. [Class 43.] In sleeve-links and other dress fastenings wherein an extensible connection is provided between end-pieces of the fastening, one end-piece comprises a hollow body part a, preferably ellipsoidal, and is provided with a rotatable and axially - movable spindle c round which a chain g or other flexible member connecting the endpieces is coiled, coiling or uncoiling of the chain being accompanied by an axial as well as a rotational movement of the spindle c so that the position at which the chain leaves the spindle always coincides with an aperture in a central boss i. The rotatable spindle c may be hollow and mounted on a fixed spindle b, movement being controlled by a spring d placed between the fixed and hollow spindles and clamped to the fixed spindle by a cap e and to the hollow spindle by a sleeve /. The spring d may be of a larger diameter than the hollow spindle c, and so disposed over and attached to one end thereof. Axial movement may be attained by a screw device such as a screw thread on one spindle whereon the other is adapted to engage. For sleeve-links the outer end of the chain may be attached to a solid end-piece j, or two end-pieces a may be used, with extensible chains connected by a link. The chain g may be connected to the spindle c by a wire h engaged with the chain, and wound round and soldered to the spindle.
Patent GB-680497-A (GB)
Title: Improvements in or relating to processes for producing a charcoal substitute
Inventor: GROSSKINSKY OTTO
IPC: C01B32/336
Filed: 1950-08-21
Abstract: A charcoal substitute is produced by subjecting bituminous coal of particle size less than 0.2 mm. to a thermal treatment in a reaction chamber with an oxidizing gas containing free oxygen at a temperature below the ignition temperature of the coal, e.g. 200-300 DEG C. the thermal treatment being carried out in such a way that the waste gas from the reaction chamber still contains perceptible quantities of oxygen, and subsequently subjecting the pre-oxidized product to carbonization in the absence of air at say 800-1000 DEG C.  Coal dressing waste, e.g. separation dust or slurries from washing, containing 20-28 per cent volatile matter and having a low ash content, or which have been de-ashed, may be continuously or batch oxidized at reduced, atmospheric, or superatmospheric pressure for 1-24 hours, with cooling if necessary.  The coal should be agitated during oxidation, e.g. by use of a rotary furnace or of a fluidized solids technique.  The oxidized product may be briquetted with say 15-20 per cent binding agent, e.g. tar, or pitch, before carbonization.  The carbonized product is particularly suitable for treatment with sulphur vapour at 850 DEG C. to form carbon disulphide.
Patent GB-837521-A (GB)
Title: Process relating to the removal of hair from skins
IPC: A01K13/00
Filed: 1958-06-27
Abstract: A process for unhairing skins comprises the steps of submitting the skins to a swelling operation in water containing a wetting agent and an antiseptic and thereafter treating the skins by means of ultrasonic waves at a frequency lower than 100 kc./s.
Patent GB-376505-A (GB)
Title: Frames for tracklaying tractors
IPC: B62D55/10
Filed: 1931-07-20
Abstract: 376,505. Endless - track vehicles. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Cleveland Tractor Co. ; Cleveland, Ohio, U.S.A.) July 20, 1931, No. 20697. [Class 79 (i).] A side or track frame for an endless-track tractor comprises a body or shell 18 formed of a single sheet of metal bent into tubular form and closed at each end by means of a header 19, 20. The main frame 10 consists of one or two castings and has a dead axle 28 on which the track frames are pivoted by means of bosses 27 formed on the rear headers 20. The main frame is further supported on the track frames by means of springs 32<1> pivoted at their centres on stub shafts 34 carried by the track frames. and having their ends sliding in brackets 31 bolted to the main frame. Track driving sprockets 17 are fixed on driving shafts 16 carried by the main frame, and front idler sprockets 38 are carried by rods 36 sliding in the front headers 19 and pressed outwards by springs 45. Load-supporting rollers 53 are mounted in brackets 51 secured to the underside of the track frames 18, and a roller 50 for the top run of the track is mounted in a bracket 46 secured to the top of each track frame. Access to the interior of the track frames is obtained by means of doors 24 secured by bolts 25. The bearings for the rollers mounted on the side frames are lubricated by means of a main conduit 57 having branches 58.
Patent GB-267799-A (GB)
Title: Improvements in or relating to dirigible headlights for motor vehicles
IPC: B60Q1/124
Filed: 1926-08-23
Abstract: 267,799. Densem. S. R., and Hart, J. Aug. 23, 1926. Vehicle lamps, directing.-In means for directing motor-vehicle head lamps 19 from the steering-gear, an arm 3 is secured to the steering- knuckle 1 in place of the nut which secures the steering-arm in position and is connected by a link 4 to a rod 8 adjustably secured by a nut 25 in a rod 24 of square cross-section slidable within a central hole 22 in the rotatably mounted lamp support. The rod 24 is supported by a spring 29 resting on a plate 30 forming part of a clamp secured to the front axle 6, the reduced end 27 of the rod passing through an oblong, or countersunk hole in the plate and carrying a nut 32. The lamp support comprises a tube 14 held rotatably by members 15, 17 in a tubular member 9 attached by straps 10 to a fitting fixed preferably to the mudguard or the mudguard bracket, ball races being provided in the adjacent faces of the members 9, 15, 17. The hole 22 may be formed by inserting a core in the tube 14 and filling the intervening space with molten babbitt metal 23. Each headlight may be operated independently from the adjacent steering-knuckle 1 or operating means may be provided for one headlight only, as shown in Fig. 2, the headlights being connected by an adjustable rod 34 and arms 21 clamped to the upper parts 18 of the tubes 14.
Patent GB-867884-A (GB)
Title: Liquid fuel compositions
IPC: C10L1/188
Filed: 1958-06-27
Abstract: Improved engine efficiency and knock resistance in internal combustion engines are obtained by the use of a leaded or unleaded hydrocarbon fuel of the gasoline boiling range having an original performance number of at least 90 and containing a lithium salt of a carboxylic acid of 5-18 carbon atoms the carboxylic acid group being attached to a methylene group and the acid molecule containing at least one carboxylic ring.  The performance number of at least 90 (97 octane number) is that measured by the F-1 Research Method (A.S.T.M. D-908-51).  Acids from which the lithium salts are derived are exemplified by the cyclo-propyl, -butyl, -pentyl, 3,3,4 - trimethyl - cyclopentyl, 1 - acenaphthyl and 4-tert. butylphenyl derivatives of acetic acid; 3-cyclopentyl- and 3-(11-decahydronaphthyl)-propionic acid; 3-phenyl-, 3-phenyl-3-methyl-, 3-cyclohexyl-3-methyl-, and 3-cyclohexyl-3-ethyl-butanoic acid; and napthenic acids derived from petroleum.  Mixtures of salts may be employed.  The fuel and additive may be introduced separately into the combustion chamber of the engine cylinder, the additive being in powder form or in a supplementary antiknock solution, e.g. the water/alcohol and tetraethyllead/alcohol mixtures used in aircraft and automotive engines.  The lithium salts, which may be added to clear fuels or fuels containing up to 6.0 ml. of tetraethyllead per U.S. gallon, are used in amounts corresponding to 0.01 gram to 2.0 grams of lithium metal per U.S. gallon.  They may be used in conjunction with conventional fuel additives such as scavenging agents, dyes, antioxidants &c.  Their solubility in the fuel is enhanced by the use of blending agents such as alcohols, glycols, esters, ketones, and amides.  In examples specified blending agents are ethanol and isopropanol.  Specification 668,341 is referred to.
Patent GB-370286-A (GB)
Title: Plate holder for cameras
IPC: G03B17/26
Filed: 1931-07-20
Abstract: 370,286. Photographic dark slides. KRAUSE, P., 1, Ludwigstrasse, Rottern- Neudorf, near Kempten-in-Allgõu, Germany. July 20, 1931, No. 20736. [Class 98 (i).] A device for indicating the unloaded, loaded and exposed conditions comprises a spring-controlled, pointed disc pivotally mounted on the outer side of the dark slide which is furnished with notches adapted to be engaged by a tooth on a spring- controlled latch at each closing movement of the slide. As shown, the dark slide 1 is fitted with a disc 2 pivoted on a pin 3 and controlled by a spring 4. A latch 7, urged outwardly by a spring 9 and moved inwardly by the handle 10 of the slide 24, is furnished with a resilient tooth 13 adapted to engage notches 6 in a raised edge 5 on the disc 2 so as to turn it successively to the positions a, b, c indicating respectively the unloaded, loaded and exposed conditions. The disc is retained after each movement by a spring pawl 17 engaging notches 15 on the disc. After removal of the exposed plate, a further closing movement of the slide 24 causes further movement of the disc 2 to cause a shoulder 20 to rock a lever 22 and disengage the pawl 17 through a nose 21 ; the disc 2 thereupon returns to initial position.
Patent GB-1138999-A (GB)
Title: Improvements in or relating to electrical switchgear
IPC: H02B11/00
Filed: 1967-05-04
Abstract: 1,138,999. Switchgear structures. ETABS. MERLIN & GERIN S.A. 4 May, 1967 [6 May, 1966], No. 20740/67. Heading H1N. A switchgear comprises a plurality of cells 10,11,12 each comprising a plurality of chambers 13a-13f arranged one above another, each chamber having a fixed isolating switch 35 whose movable blades engage with fixed contacts and the terminals 21, 22 of a withdrawable switch unit. The cells 10, 11, 12 are served by horizontal bus-bars in a chamber 14 having vertical branch bars 15 serving the individual chambers. The isolating switches of a cell are arranged one above the other behind a transparent front panel 29 which allows the contact position to be seen. Each blade 35 of the isolating switch consists of four pairs of gripping fingers (Figs. 4-7, not shown) and in the closed position projects through an opening (39) in a vertical partition (38) between the bus-bar chamber 16 and the chambers 13a-13f ; shutters (40) coupled to the contacts 35 cover the openings (39) in the open position. The isolating switch is provided, on the same shaft 31, with a plurality of auxiliary contacts 36 for control equipment 20 in the withdrawable unit. The contacts 36 are arranged to connect the terminals 26 to test contacts (27a) (Figs. 8-10, not shown) in an intermediate position of the isolating switch. The isolating contacts may be mounted on several parallel coupled shafts.
Patent GB-762148-A (GB)
Title: Processing silicon carbide for use in varistors
IPC: H01B1/04
Filed: 1954-07-16
Abstract: A silicon carbide ingot is crushed so that a portion, preferably 20-50 per cent will pass through a sieve having openings of about 30 mils.  This powder is screened with a sieve having openings not greater than 50 mils or sieves having openings of 28 or 30 mils, the material which is retained being useful for making variators.  The crushed material which is retained is preferably crushed again, preferably to 2-10 mils, before use.ALSO:Silicon carbide ingots are crushed until a substantial proportion are in the form of small particles which will pass through a sieve having openings of about 30 mils and are subsequently screened with such a sieve or with sieves of 28 mil openings of not greater than 50 mil openings.  The particles retained by the sieve are crushed again and used in the manufacture of variators while the particles which pass through the sieve are discarded.  Generally at least 20 per cent and preterably 20-50 per cent of the particles are crushed so as to pass through the screening.ALSO:Class 22.  A silicon carbide powder which preferably will pass a No. 100 sieve but not a No. 120 is mixed with a ceramic binder, such as clay, and water and a little carbon or graphite, is shaped and fired at 1100 DEG -1300 DEG C. in a non-oxidising atmosphere.  The clay may be from 30-70 and preferably 40-60 per cent of the weight of the carbide, the graphite up to 7 per cent of the weight of the solids and the water is added until the mix has a workable consistency.  Class 87(2).  The above mixture is pressed into the required shapes, usually in the form of a thin disc, for a varistor, by means of rubber faced punches in a metal die block and using pressures of 2-15 tons per sq. inch.
Patent GB-772909-A (GB)
Title: Method and apparatus for rolling gears
IPC: B21H5/02
Filed: 1955-07-19
Abstract: 772,909. Rolling gear-wheels. NATIONAL BROACH & MACHINE CO. July 19, 1955 [Aug. 30, 1954], No. 20847/55. Class 83 (4). A gear blank G, Fig. 1, is formed between rolls Ra which rotate through one revolution and have progressively stepped tooth sections 12-15, the rolls and blank being initially driven in timed relation but the rolls being finally driven directly from the blank as the revolution is completed. In one example the blank G, Fig. 8, is mounted on a driven arbor 60 and the rolls Ra are mounted on shafts 66a which are driven from a pinion 62 on the arbor 60 through gears 63a, 64a, 65a. A clutch 32 connects the pinion 62 to the arbor 60 and this is disengaged before the rotation of the rolls is completed. The shafts 66a are mounted on slides 67b in the machine frame which are adjustable to suit different diameters of work and rolls, the gears permitting a driving relationship to be maintained. The rolls have a recess 10 for receiving gear blanks G which may be fed axially or transversely into position for which purpose the arbor 60 may be automatically drawn clear of the rolls by an hydraulic cylinder and may be expandible by a tapered wedge to grip the blank internally. Induction heating elements to preheat the blank may be provided on each side of the blank between the rolls or may be provided in a magazine from which the blanks are fed. In a modification the clutch 32 is omitted and the pinion 62 is given a substantial backlash. The tooth sections of the forming rolls may be arranged so that in the first section the top portion 86, Fig. 15, of each gear tooth is formed. In subsequent sections the lower portions 87a, 89a are formed successively without substantial alteration of the portion already formed. In another method the roll sections initially have pointed teeth 92, Fig. 17, of increasing size which gradually extend the tooth spaces until the final set has teeth 94, Fig. 18, defining the tooth spaces.
Patent GB-577306-A (GB)
Title: An improved method and apparatus for the washing of ampoules and other receptacles
IPC: B08B9/28
Filed: 1944-10-27
Abstract: 577,306. Washing ampoules &c. WELLCOME FOUNDATION, Ltd., and HAWES, W. B. Oct. 27, 1944, No. 20977. [Class 138 (i)] Ampoules and like small vessels are washed in a chamber 13 fitted with a lid 14 held by screw pressure and formed with a gasket 19 so as to make an air-tight joint. The ampoules are screwed neck-downwards in the perforated partition 28 of a cylindrical holder 34 which is charged before inserting into chamber 13. The closed chamber is first connected via valve 22 and pipe 21 to an air-exhausting device, and then the valve 22 closed and a valve 12 opened to admit water charged with carbon di-oxide, or other gas, to the chamber 13. The chamber 13 is then connected to exhaust again either by means of valve 22 or by means of a valve 23 which connects to a vessel 24 which can act as a water trap. The vessel 24 is connected by a valve 27 to exhaust and by a valve 26 to a water waste. The carbonated water is supplied from a pressure vessel 10 and is preferably filtered distilled water. The water bubbles violently when admitted and enters the ampoules. On connecting to exhaust further turbulence occurs owing to the release of the carbon di-oxide, and small particles are blown out of the ampoules. The lid 14 is fitted with a sponge rubber packing disc 30, and the chamber is filled with sight glasses 31. The water delivered by demineralising plants of the ion-exchange type saturated with carbon di-oxide at atmospheric pressure may be used. The above process may be repeated three times.