baber/WOPTO huggingface dataset:
Patent GB-861095-A (GB)
Title: A ram-jet unit
IPC: F23R3/00
Filed: 1957-06-26
Abstract: 861,095. Jet-propulsion plant. BERTIN ET CIE. June 26, 1957 [June 29, 1956], No. 20143/57. Class 110 (3). [Also in Group XXVIII] A ram jet unit is equipped with an air pressure raising ejector device comprising a tube or nozzle, extending between the downstream end of the unit air intake and the upstream end of the combustion chamber, the ejector having an upstream convergent section which opens into the downstream end of the intake and being surrounded by an annular slot which extends downstream of the convergent section and is inclined downstream, means are also provided to supply pressure fluid to the annular slot to induce compressed air from the intake and discharge it into the combustion chamber. The phrase " opens into " is stated to mean that when two passages or chambers communicate the one of smaller cross-section opens into the one of larger cross-section. A ram jet unit comprising a divergent intake passage 8, a substantially cylindrical combustion chamber 9 and a propulsion nozzle 10 has a number of tubes or nozzles t 1 , t 2 , t 3  arranged between the intake and combustion chamber and passing through a partition 11. Each of the tubes or nozzles comprises a convergent portion 1 and a divergent exit portion 2. On the inner surface of each tube or nozzle is provided with an annular duct 3, which opens in a downstream direction, and is supplied with fluid under pressure from a manifold 4 so as to form an injector. Fuel to be burnt in the combustion chamber 9 may be introduced by injectors 9a or alternatively may be introduced into the manifolds 4. This fuel may be in the form of a vapour or gas by vaporizing it in the combustion-chamber. The inductor jets may be formed by the exhaust gases from the manifolds 4 to which fuel and oxidant are supplied by pipes 12, 14 from reservoirs 13, 15. A suitable fuel and oxidant is kerosene and nitric acid. Intermittently-operating valve means 12a, 14a may be provided to obtain pulsating combustion in the manifolds 4. The operation of the valves 12a, 14a for the various nozzles may be offset with respect to one another so as to smooth out the pulses. The manifold 4 may be supplied with acetylene which is decomposed by a catalyst. Flaps 18 may be provided to allow additional air into the intake at low flight speeds. Valve-controlled orifices may be provided in the partition 11 for use in flight at high flight speeds. In a modification the tubes or nozzles have fluid divergent walls, as described in Specification 825,957.
Patent GB-320401-A (GB)
Title: Improvements in talking machines
IPC: G11B17/02
Filed: 1928-07-11
Abstract: 320,401. Gramophone Co., Ltd., George, J. I., and Chiffey, E. July 11, 1928. Driving.-A gramophone is provided with two driving motors, one of which drives the turntable continuously when the machine is in use, while the other 31 is stationary during ordinary playing and is brought into action so that its drive is added to that of the continuously-driving motor when additional work, such as in connection with magazine gramophones, is to be performed. The main motor comprises two spring barrels 1, 2 which drive the turntable spindle 9 through gearing. The automatic operations, which include lifting and lowering the sound-box, ejecting a played record, and feeding a new record to position, are carried out by cams on a shaft 17 driven from the spindle 9 through a gear train including a clutch adapted to be operated intermittently. The clutch comprises a plate 18 freely mounted on the spindle 9 and a curved lever 19 pivotally mounted on the plate 18. A spring 21 tends to move the lever 19 into engagement with the teeth of a wheel 24 on the spindle 9. During playing of a record, a lever 25 holds the lever 19 out of engagement with the wheel 24, but on rocking the lever 25, such as by a reverse movement of the sound arm, the clutch is engaged and the cam shaft operated. The auxiliary motor 31 is geared to a wheel 30 on the cam shaft 17 through gear wheels 33, 34, 36, and therefore, as soon as the clutch is disengaged, such motor augments the main motor in driving the cam shaft 17. Means such as those described in Specification 320,400, [Class 10, Animal-power engines &c.], may be employed to wind the main motor and auxiliary motor together by means of one crank.
Patent GB-534929-A (GB)
Title: Improvements in and relating to hair dryers
IPC: A45D20/22
Filed: 1939-07-12
Abstract: 534,929. Hair dryers. CALDERON, M. July 12, 1939, No. 20283. [Class 81 (ii)] In a hair dryer, air is filtered before reaching the heating element by passing through apertures 13 covered by a removable gauze or like filter impregnated with an antiseptic. A removable felt, &c., absorbent ring 24 may be provided as a baffle to inlet holes 25. The cowling of the motor and outer cover 15 are held in place by a single screw 17 and spider 20. Specification 443,094, [Group XII], is referred to.
Patent GB-751561-A (GB)
Title: Improvements in and relating to electrical apparatus
IPC: H04N5/16
Filed: 1954-07-12
Abstract: 751,561. Television. FERNSEH GES. July 12, 1954 [July 11, 1953], No. 20300/54. Drawings to Specification. Class 40 (3). [Also in Group XL (c)] In a television D.C.restorer, a germanium diode is connected in series with a high-vacuum diode in order to produce a circuit having both a low shunt capacity and a high reverse resistance.
Patent GB-358104-A (GB)
Title: Improvements in the treatment of felt
IPC: D01C3/00
Filed: 1930-07-04
Abstract: Stiffened and proofed felt, for instance in the manufacture of felt hats, is produced by treating the felt with an aqueous solution prepared by the action of aqueous ammonia, amines, or alkali metal hydroxides or carbonates upon a polyhydric alcohol-polybasic acid condensation product containing not more than 40 per cent of fatty acid, and subsequently drying the felt or treating it previously or subsequently with an acid.  A furfelt containing acid as produced in the customary course of manufacture may be treated with the aqueous solution of the condensation product and then dried.  The condensation products used are obtained by the condensation of polyhydric alcohols with polybasic acids, in the presence or absence of monohydric alcohols, monobasic acids (e.g. higher fatty acids), or fatty oils, the condensation being effected at such a temperature (i.e. 150 DEG  C. or above) as will ensure that resin-formation takes place, and for such a time and under such conditions that the acid value does not fall below 30.  The polyhydric alcohol may be, for example, glycerol, glycol, mannitol, pentaerythritol, or sorbitol, and the polybasic acid, for example, phthalic, citric, or succinic acid, or the corresponding acid anhydride.  The monohydric alcohols are aliphatic alcohols containing one free hydroxy group, such as ethyl, propyl and butyl alcohol, glycol monoalkyl ether, glycerol dialkyl ether, or ethylene chlorohydrin.  The monobasic acids are particularly higher fatty acids containing more than eight carbon atoms in the molecule, such as stearic, palmitic, and oleic acid. Fatty oils used may be drying, semi-drying, or non-drying oils.  A felt containing no acid is treated with an aqueous solution of the condensation product, and then dried, if the aqueous solution is one in which ammonia or a volatile derivative thereof has been used, or treated with an acid, e.g. dilute sulphuric acid, when the aqueous solution is obtained by the use of a non-volatile alkali.  In examples: (1) Glycerol, phthalic anhydride and castor oil are heated with slow stirring at 185 DEG  C. until the product has an acid value of 95.  The resin obtained is cooled rapidly, broken into small pieces, and dissolved by stirring vigorously in an aqueous solution of ammonia.  The solution is diluted, and fur felt hat forms are dipped several times therein and dried.  (2) Glycerol, phthalic anhydride and linseed oil fatty acids are heated together at 180-185 DEG  C. until the acid value is 100.  The molten product is then formed in a thin stream into a solution of ammonia at 40 DEG  C. Further additions of ammonia are made until a homogeneous solution is obtained.  Felt is treated with the solution as in Example (1).
Patent GB-531918-A (GB)
Title: Improvements in and relating to cowl, aspirator or like devices for chimneys
IPC: F23L17/02
Filed: 1939-07-13
Abstract: 531,918. Chimney cowls &c. TRIAIRE, C. July 13, 1939, No. 20479. Convention date, July 19, 1938. [Class 25] A deflector 2 adjustably mounted above a chimney extension 1 directs smoke downwardly into a sleeve 5 from which the soot or other solid material is led to a collector 18. A second sleeve 8 formed at the top and bottom of its outer surface with conical flanges 9, 10 surrounds the sleeve 5 and supports by brackets 17 a conical cap 12 surmounted by a cylinder 15 having a conical flange 14. Partitions 11 extend across the upper part of the sleeve 8. Air currents f<SP>1</SP>, f<SP>2</SP>, passing upwardly under the flange 10 or impinging downwardly on the cap 12 follow paths f<SP>2</SP>,   f and exert a suction effect F on the smoke ascending around the deflector 2. The collector 18 is provided with an apertured vent tube 19 covered by a hood 21. A baffle 23 prevents the escape of solid material through the tube 19. The bottom of the collector is hoppershaped and is fitted with a grooved bolt or sliding shutter valve 28 past which the solid material may be discharged. Specification 531,919 is referred to.
Patent GB-319854-A (GB)
Title: Improvements in the manufacture and production of magnetic cores of high permeability
IPC: H01F1/24
Filed: 1928-07-14
Abstract: 319,854. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). July 14, 1928. Electromagnets.-Magnetic cores are formed of powdered iron, preferably produced by the thermal decomposition of iron carbonyl, and a condensation product of urea or its derivatives with formaldehyde. The iron is preferably impregnated with the condensation product in the form of a solution, dried, and moulded under pressure. Specification 261,029, [Class 22, Cements &c.], is referred to.
Patent GB-420844-A (GB)
Title: Improvements in or relating to cycle brakes
IPC: B62L1/12
Filed: 1933-07-21
Abstract: 420,844. Cycle brakes. RADNALL, E. A., Vauxhall Works, Dartmouth Street, Birmingham. July 21, 1933, No. 20559. [Class 136 (i)] The pivot 10 of calliper brake levers 9 is carried by a flat plate 12, which co-operates with a flat plate 13 to clamp the brake to the longitudinal side members of the cycle fork, as by means of bolts 19 and nuts 20. To permit of adjustment for forks of different widths, the plates are provided with slots 17 and spaced holes 18 for the passage of the bolts 19, which are prevented from rotating by square shoulders engaging the slots 17. The pivot pin 10 is screw-threaded into the plate 12.
Patent GB-986827-A (GB)
Title: Flare projectors
Inventor: DONELLY IVON ARTHUR FREDERICK
IPC: F41C3/02
Filed: 1962-05-29
Abstract: 986,827. Flare projectors. HELICOPTER SALES Ltd. May 6, 1963 [May 29, 1962], No. 20592/62. Heading F3A. A flare projector, which may be housed in the cartridge container described in Specification 986,828 comprises a barrel 1 housing a spring-stressed firing pin 2, the barrel being internally threaded at its forward end to engage a screw-threaded boss 4 at the rear end of the flare C. The spring 6, which surrounds a guide 9 having an extension 11, extends into a plug 5 closing the rear of the projector. A bolt 8 has a shank 12 extending through the pin 2 and extension 11. By sliding the bolt along a slot 7, the spring 6 is stressed in readiness to drive the pin 2 against the flare C.
Patent GB-1082794-A (GB)
Title: Steam heating pipe
Inventor: BURNHAM JACK
IPC: F16L11/04
Filed: 1963-05-23
Abstract: 1,082,794. Non-metallic pipes. AVON RUBBER CO. Ltd. May 22, 1964 [May 23, 1963], No. 20619/63. Heading F2P. A method of making a steam-heating pipe comprises the steps of applying at least one ply of polyamide or other synthetic fibre braid 12 to a tubular, vulcanizable, rubber liner 10, and over the braid and at least along the end portions thereof a number of plies 14 of vulcanizable rubber and/or rubberized fabric, and then applying a Vulcanizable rubber cover 16 along the whole length of the pipe and curing the assembly; alternatively, the assembly of liner, braid and rubber and/or rubberized fabric is cured and a vulcanized rubber sleeve applied thereover. There may be longitudinal strips of fabric reinforcement to restrict the extension of the pipe, and an internal, metal coil reinforcing spring.
Patent GB-657118-A (GB)
Title: Improvements in or relating to control systems for dynamo-electric machines
IPC: B65H23/198
Filed: 1948-08-06
Abstract: 657,118. Automatic control systems for reel motors. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Aug. 6, 1948, No. 20772. Convention date, Sept. 9, 1947. [Class 38 (iv)] [Also in Group XXXVII] In an automatic control system for a D.C. motor driving a reel on to which strip is being wound, the tension in the strip is gradually reduced during reeling. The armature of the reel motor 12 is supplied from a generator 20, and a main field 14 normally assisting an auxiliary field (not shown) is supplied from a regulating generator 31. One field 34 of the regulating generator is excited according to the armature current of motor 12, and is opposed by the normally smaller pattern field 33 ; thus it tends to maintain the motor current and strip tension constant by increasing the excitation of the field 14 so as to reduce the speed of the motor as the reel diameter increases. Another field 35, assisting the pattern field, is supplied from a tachometer generator 44 driven by the motor 12 so that as the reel fills and the motor slows down the output of the tachometer generator 44 falls and the resultant excitation of the regulating generator increases more quickly to progressively reduce the tension on the strip.
Patent GB-955100-A (GB)
Title: Improvements relating to the holding and mounting of housings for electrical apparatus
Inventor: KOOI JOHAN PETER ENGEL
IPC: H02G3/10
Filed: 1960-06-14
Abstract: 955,100. Transformers. A. L. STOPPS. Aug. 8, 1960 [June 14, 1960], No. 20779/60. Heading H1T. A housing for a ballast transformer has a base portion 10 and a cover portion 12 engaged by a clip or clips 22 provided with mounting means 40 and having a hole, aligned with an aperture in the housing, through which an electrical lead or leads can pass. The clip (or clips) may have a second hole which is aligned with the aperture in the housing of the clip is applied thereto in inverted position. The clip arms 24, 26 are sprung on to the housing and fit in depressions therein.
Patent GB-938873-A (GB)
Title: Improvements in or relating to mixers for the homogenization of a continuously flowing viscous medium
IPC: B01F27/93
Filed: 1961-06-08
Abstract: 938,873. Homogenizing viscous liquids. ONDERZOEKINGSINSTITUUT RESEARCH N.V. June 8, 1961 [June 11, 1960], No. 20817/61. Class 86. In a continuous mixer primarily for the homogenization of viscose, there is a stirrer 6 comprising a disc bent along a diameter and attached to a rotatable shaft 5. The stirrer may alternatively have a shape which is circular when projected on a plane perpendicular to the axis of rotation. The preferred included angle is between 10 degrees and 20 degrees.
Patent GB-145303-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01R13/703
Filed: 1919-08-26
Abstract: 145,303. Cubitt, A. S. Aug. 26, 1919. Couplings combined with electric switches.-In a quick-break switch operated by a plug coupling, the contact member of the switch constitutes one arm of a toggle linkage and the contact member of the plug, when inserted, first engages mechanically and electrically with the jointed end of the contact arm and afterwards pushes the joint of the toggle inwards over the dead centre so that the switch is closed. Withdrawal of the plug upsets the toggle, and the switch member moves rapidly to the " off " position. The plug members 6 are of knife-blade form, and an additional plug 21 may be used for an earthing connexion. A double-pole switch is shown, in which the independent switch members are separated from one another by an insulating partition and are each actuated by one of the plug members. The contact arm consists of two spring plates located one at each side of the bracket plate secured to the base and held together by a pin 12, which is free to move within a gap 13 in the bracket. The spaced plates at the other end of the contact member form spring jaws, into which the plug blades may be inserted, and this end is jointed to a double link 9 having a fixed pivot at 14 in a bracket. The toggle is controlled by a spring 17 curled round a pin 18, which has a reduced central portion enabling it to be inserted into the narrow part of a key-hole slot in the bracket, where it is held by the spring, which is finally curled round the pin 12. The ends of the plug blades are cut away and laterally recessed at 15, as shown. In closing the switch, the inner shoulder of the blade acts upon the pivot pin 10 of the toggle to close the switch, and in the closed position the pin moves into the slot so that, in withdrawing the plug, it carries the pivot with it to break the switch before the circuit is broken at the plug blades. Quick action is allowed by the lost motion of the pivot pin in the slot. The lateral slot may be formed in the contact members and the pin located on the plug blades.
Patent GB-885879-A (GB)
Title: Improvements in refuse or like trucks
Inventor: HALLER WILHELM
IPC: B65F3/18
Filed: 1958-06-30
Abstract: 885,879. Conveyers on vehicles. FAHRZEUGBAU HALLER G.m.b.H. June 30, 1958, No. 20934/58. Class 78 (4). A vehicle body having a conveyer belt 14 sliding directly over the floor and moved by rollers 16, 19 at the ends, has also a rearwardly tilting door 13 which permits material to be discharged directly over the rear roller 16. In the form shown, the belt 14 carries a discharging wall 21, and terminates in ropes 18 wound on a pair of axially spaced rollers 19. Both rollers 16, 19 may be driven jointly or independently by hydraulic, pneumatic, electrical or other means, or the roller 16 alone may be driven, the roller 19 being provided with a rewind spring. The roller 19 may be mounted below the plane of the belt 14, for example below the cab 11. Guides may be provided for the wall 21. Where the wall 21 is omitted, or is low, the belt 16 preferably winds directly on the roller 19.
Patent GB-799179-A (GB)
Title: Process for the purification of liquid hydrocarbon fractions
IPC: C10G67/14
Filed: 1955-07-20
Abstract: Saturated aliphatic hydrocarbon fractions containing olefins and oxygen-containing compounds as impurities, are purified by treatment with hydrogen in the presence of a hydrogenation catalyst, at a temperature of 230-280 DEG  C., and treatment of the resulting fractions with solid AlCl3 at a temperature below 150 DEG  C. and finally filtering the hydrocarbon fraction.  Catalysts specified are those containing cobalt or nickel, e.g. a mixture of nickel, kieselguhr and magnesium oxide.  The hydrogenation may be effected at a pressure of 20-50 kg/sq. cm.  The fractions may be dried, e.g. with calcium chloride, after the hydrogenation step. Hydrocarbon fractions boiling in the gasoline and/or Diesel oil range may be treated.  The treatment of a hydrocarbon fraction from the Fischer-Tropsch synthesis and boiling between 100 DEG  and 200 DEG  C. is described. The treated fractions are used as auxiliary liquids in the production of polyethylene.
Patent GB-784080-A (GB)
Title: Improvements in automatic machine tools
Inventor: ROE EVERETT WRIGHT
IPC: B23C3/18
Filed: 1954-07-19
Abstract: 784,080. Copy-milling; copy-turning. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 19, 1955 [July 19, 1954], No. 21027/54. Class 83 (3). [Also in Group XXIII] A copying-machine-tool comprises a master pattern 9, Fig. 1 (Prov.), on a work-carrying arbor 1, the pattern and work 10 being engaged by a follower 12 and a tool 11 supported on a common base 6 movable on a bed 4, the arbor and base being relatively movable axially of the arbor at a constant rate, and the base being mounted for transverse movement relatively to the arbor under the control of actuating means responsive to movement of the follower relatively to the bed. Each of three milling cutters 11, which may be replaced by grinding or turning tools, alternately engages three blanks 10, and the follower 12 alternately engages three corresponding patterns 9. Movement of the follower relatively to its head 8 produces a signal which, through electronic means, actuates a motor 13 to rotate a pinion engaging a rack 15 to move the base 6 transversely of a saddle 5. In a modification, the base 27, Fig. 1 (Comp.), is traversed by a screw 26 rotated by a motor 25, or by a motor 24 which also rotates the arbor 23. Each cutter is adjustable on a saddle 30 and is driven by a motor 31 through variable-speed gearing. The follower 29 may be biased towards the pattern and may be associated with a bridge circuit and valves to control a reversible motor; or, as shown, the follow actuates an hydraulic valve through electronic means to control hydraulic means 32 to move the base 27 transversely. A safety limit switch prevents overrun towards the arbor. In a further modification, the table 27 is mounted to swing on a single pivot parallel to the arbor or on a parallel motion linkage. In a final modification, the arbor is moved axially and the base moves only transversely of the bed.
Patent GB-962393-A (GB)
Title: Wheeled ploughs
IPC: A01B5/06
Filed: 1963-05-27
Abstract: 962,393. Agricultural implements. CONNOR, SHEA & CO. PROPRIETARY Ltd. May 27, 1963 [May 30, 1962], No. 21033/63. Heading A1B. A wheeled multi-furrow plough is provided at the rear with two furrow wheels 18 arranged one behind the other on a rocker arm 22 pivoted on a hollow bracket 24 which is adjustably attached to a post 26 slidable in a boss 11. The post 26 is angularly movable in the boss 11 so that the wheels may be aligned with the furrow by means of an adjustable stay 32. The rear end of the plough frame 10 may be raised and lowered by a hand crank 44 or a hydraulic jack 46. The wheels may be tilted by pivoting the bracket 24 about a pivot bolt 28 and securing the bracket by a second bolt 30 in a suitable hole in the bracket. The invention may be applied to a disc or mouldboard plough.
Patent GB-152341-A (GB)
Title: Means for shedding the warps in hand looms for weaving
IPC: D03D29/00
Filed: 1920-07-12
Abstract: 152,341. Struve (nÚe Gleiche), E. March 4, 1918, [Convention date]. No Patent granted (Sealing fee not paid). Healds.-In shedding-devices for hand-power looms having a reed of the kind described in Specification 152,315, [Class 142 (ii), Looms, Kinds &c.], the spaces between the threadguiding lamellµ are varied according to the thickness of the threads by the insertion of a variable number of intermediate lamellµ of the same length into the spaces. The reeds each comprise a number of interchangeable flat perforated rods 1, 2, 3 of different lengths adapted to be threaded on bolts a, b and clamped in position by nuts c. The widths and lengths of the slots 2<1>, 3<1> can be varied to suit the fabric to be woven by varying the sequence of the flat rods. The rods at the ends of each reed are provided with a pin x to rest in the forked end of an oscillating lever l.