baber/WOPTO huggingface dataset:
Patent GB-1018493-A (GB)
Title: Improvements relating to radiation detectors
Inventor: FRECK DAVID VERNON
IPC: G01T1/24
Filed: 1961-06-08
Abstract: 1,018,493. Radiation detectors. ASSOCIATED INDUSTRIES Ltd. June 7, 1962 [June 8, 1961], No. 20767/61. Heading G1A. [Also in Divisions H1 and H3] A solid state radiation detector has a p-n junction biased so that electron ion pair multiplication occurs in the detector. The p-n junction is in series with a load resistor RL across which the output is taken to pulse counting means. Alternatively, Fig. 2, (not shown) the output may be taken across the p-n junction. The detector may be enclosed with the radiation source in a vacuum and may be cooled by liquid air, solid carbon dioxide. The detector may be used for X-ray spectrometry, Bragg reflection analysis and for beta and gamma ray detection.
Patent GB-638642-A (GB)
Title: Improvements in or relating to x-ray tubes and energising systems therefor
IPC: H01J35/22
Filed: 1947-07-31
Abstract: 638,642. X-ray tubes. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. July 31, 1947, No. 20797. Convention date, July 22, 1942. Addition to 624,332. [Class 39 (i)] X-ray apparatus as described in the parent Specification also comprises an anode 6, cathode 18 and auxiliary electrode 10, the metallic terminals 8, 20, 26 or lead-in wires are spaced apart outside the envelope less than the sparking-over distance at the applied voltages, and the device is energized for such short periods of time that no ionization of the air between the terminals 8, 20, 26 or lead-in wires can take place. Preferably, a cold cathode is used, the starting discharge being between the auxiliary electrode and the cathode. The auxiliary electron discharge is started by the discharge of a bank of condensers 36, at which point the potential of the starting electrode is approximately equal to anode potential; when the auxiliary electron discharge has started, the starting electrode goes down to cathode potential, due to the resistance 42. The auxiliary electrode 10, Fig. 4, comprises a metal sleeve 12 clamped over a vitreous tube 9 by a collar 13, and a block 14 with an oval hole 16 within which is set the cathode 18, which may be a rectangular thorium or molybdenum plate. The terminals 8, 20, 26 may be of copper or of an alloy whose coefficient of expansion closely approximates to that of the vitreous envelope. In a modification, Figs. 5, 6 (not shown), the leading-in conductors are sealed directly to the envelope and screw into the electrode assemblies. In another modification, Fig. 7 (not shown), the lead to the auxiliary electrode is sealed into a side arm of the device, and in yet another modification, Fig. 8 (not shown), the leads to the cathode and control electrode are taken out through a single pinch. The Specification as open to inspection under Sect. 91 states that the electrodes may be assembled with correct spacing outside the envelope and sealed in as a unit. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1017484-A (GB)
Title: Improvements in or relating to methods and apparatus for applying an outer coating upon hoses and the like lengths of woven fabric, in particular fire extinguishing hoses
IPC: B29D23/00
Filed: 1964-05-21
Abstract: 1,017,484. Tube coating apparatus. F.  PARSCH, P. PARSCH, P PARSCH and W. PARSCH [trading as FRANZ A. PARSCH].' May 21, 1964  [June 26,1963], No. 20955/64. Heading D1L. [Also in Division F4]  In applying an outer coating in the form of a solution to a fire extinguishing hose a hose of woven fabric 1 is led from a rotatable drum 2 around guide rollers 3 and 4. The interior of the hose is filled with a charge 5 of water or other medium and heat is applied by a device 6. The distended and preheated hose then proceeds upwards through a container 7-containing: coating solution 7<SP>1 </SP>which is to be applied to the outer surface of the hose. After emerging from container 7 drying of the solution begins and takes place from the inside of the outside due to the temperature drop between the hose and the surroundings. After a dirt drying in free space in additional drying can be imposed by a heating and/or ventilating device 8. The hose then proceeds via winch 9 and tensioning pulley 10 to a receiving drum 12.
Patent GB-166816-A (GB)
Title: Liquid feeding device
IPC: F02M37/02
Filed: 1920-07-12
Abstract: 166,816. Marks, E. C. R., (Rockwell Co., Inc., E. A.). July 12, 1920. Vacuum apparatus. - A float chamber 1, in which a vacuum is maintained by a connection 3<a> with, for example, an internal-combustion engine, delivers liquid to a tank 5 through a valve 22 opened by the float 17, which valve is also arranged to permit the passage of air or gases from the tank to the chamber 1, by means of a tube 33 leading from the valve port. Atmospheric pressure is maintained in the tank by a pipe 9, and a vacuum regulating valve 37 is provided. In first opening the valve, the lever 19 turns about a pivot 25a, giving a large leverage; the continued opening, as the resistance to the opening of the valve 22 diminishes, takes place by pivoting about a point 25<c>. The valve is also arranged to tilt as it begins to open. The apparatus is mounted on the dashboard of a vehicle by means of a strap 30, bracket 26<a>, and bolts 28.
Patent GB-479045-A (GB)
Title: Improvements relating to variable resistances or potentiometers
IPC: H01C17/235
Filed: 1936-07-29
Abstract: 479,045. Variable resistances. STEATITMAGNESIA AKT.-GES. July 29, 1936, Nos. 21036 and 21037. Convention dates, July 29, 1935 and Aug. 1, 1935. [Class 37] On the reverse side of the base-plate carrying the variable resistor there is provided a series resistance in curved or zigzag form and consisting of finely divided material suspended in a binder which can be hardened, this resistance being fixed in value for the purpose of giving well-defined initial and final values to the total resistance. The main resistance track b is secured by rivets c and one end is provided with a layer i of precious metal burnt or sprayed thereon. The series resistance g may be extended by a pin h joining it with the terminal connector e<2>. The slide on the main resistor b is provided with a contact track d. Fig. 3 shows stop mechanism which is metallic, the contact part r being insulated at q from the stop arm o which engages the fixed stop l, preferably over a surface contact. Fig. 6 shows a form of contact l<1> adjustable in lugs t struck up from the base-plate. The Specification as open to inspection under Sect. 91 comprises also a resistor, Fig. 7 (Cancelled), having a high-resistance layer v and a layer w having a relatively low ohmic value, the boundary between the two layers being shaped as shown to produce a smoother variation of resistance. More than two layers may be provided. This subject-matter does not appear in the Specification as accepted.
Patent GB-403329-A (GB)
Title: Improvements in or relating to radio receivers and the like
IPC: H03F3/48
Filed: 1933-07-26
Abstract: 403,329. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.- (Assignees of Grimes, D. ; 1639, Richmond Road, Dongan Hills, New York, U.S.A.) July 26, 1933, No. 21061. Convention date, July 26, 1932. [Class 40 (v).] In a reflex receiver in which the same valve is used to amplify at both radio and audio frequency or in the case of a supersonic heterodyne receiver at one or both these frequencies and at the intermediate frequency automatic gain control is employed so that distortion due to overloading is prevented. The invention is particularly applicable to receivers in which the reflexing is of the inverse type. Fig. 1 shows such a system in which valves 1, 2, serve as cascade high frequency amplifiers and as audio amplifiers-in the reverse order the output being taken from the valve 1 and the audio input from the detector 3 being applied to the valve 2. The valves used are preferably of the remote cut-off or " variable mu type. Gain control is applied by means of a diode 33 only a portion of the control voltage being applied to the grid of the valve 2.
Patent GB-456232-A (GB)
Title: Improvements in piston pumps intended for the pauseless, uniform movement of liquids or gases
IPC: F04B9/117
Filed: 1935-07-24
Abstract: 456,232. Actuating liquid pumps and gas compressors. JOHNSON, G. W., 47, Lincoln's Inn Fields, London.-(I. G. Farbenindustrie Akt.-Ges.; Frankfort - on - Main, Germany) July 24, 1935, No. 21074. [Classes 8 (i) and 102 (i)] [See also Group XXIX] A pump for liquids or gases comprises two cylinders a, a<1> connected to valve boxes b, b<1> and supplied with liquid or gas under pressure by pipe c, and delivering to pipe e. Each piston d, d<1> is actuated by pistons g, g<1> supplied with pressure liquid through pipe i, the supply being controlled by an auxiliary control valve o actuated by projections w, w<1> and actuating pistons n, n<1> actuating the main control valves k, k<1>. Non-return valves v, vl are fitted in the connections between the auxiliary control valve o, and the pistons n, n<1> and are actuated by extensions on the pistons n, n<1>. This arrangement results in the feature that one piston g or g<1> does not commence a downward stroke until after the other piston has commenced its upward stroke so that a uniform pump delivery is obtained. In the arrangement shown in Fig. 2, the above feature is obtained by fitting throttle valves D<1> ... D<4>, and non-return valves R<1> ... R<4> in the connections between the auxiliary control valve o and the pistons n, n<1>. The valves v, v<1> are connected to pistons and the exhaust of the spaces on either side of the pistons n, n<1> takes place through the throttle valves D<1> ... D4 and pressures exerted on the pistons of the valves V, V<1> prevent them from opening until the correct time.
Patent GB-715015-A (GB)
Title: Improvements relating to the manufacture of organic derivatives of cellulose
Inventor: EDMONDSON ALBERT NORMAN
IPC: C08B3/28
Filed: 1950-08-25
Abstract: <PICT:0715015/IV (a)/1> Organic derivatives of cellulose are precipitated from solutions thereof by simultaneously injecting the solution and a precipitating agent into a chamber having within it a stationary restriction to flow, the velocity of the moving fluid being such that vigorous mixing results.  The restriction may be formed as an orifice plate.  The physical characteristics of the precipitate may be altered by varying the temperature of the liquids, the concentration of cellulose derivative and of the precipitating agent and the rate of flow.  The solution of cellulose derivative may contain suspended or dissolved colouring matters, pigments or fillers.  The process is particularly applicable to the precipitation of cellulose acetate.  As shown, the precipitator consists of a tubular vessel A having inlets C for the precipitating agent and D for the cellulose derivative solution, and a common outlet E for precipitate and liquid.  Above the inlet pipes is situated an orifice plate B having a central hole.  The results of trials in which cellulose acetate in 55 per cent. aqueous acetic acid is precipitated by dilute acetic acid, and cellulose acetate in acetone is precipitated by hot water, are reported.  Specifications 338,214, [Class 23], 497,963, 531,955, 588,884 and 646,971 are referred to. The Provisional Specification refers to the precipitation of highly polymeric material in general.ALSO:<PICT:0715015/III/1> Apparatus for precipitating organic derivatives of cellulose from solutions thereof comprises a chamber A into which the precipitating agent and solution are injected through inlets C and D, the chamber being provided with a stationary restriction to flow and the velocity of the moving fluid being such that vigorous mixing results.  As shown, the restriction B may take the form of an orifice plate having a central hole.  A common outlet E is provided for the precipitate and the liquid.  The apparatus is particularly applicable to the precipitation of cellulose acetate (see Group IV(a)).  Specifications 338,214, [Class 23], 497,963, 531,955, [both in Group IV], 588,884 and 646,971, [Group IV(a)], are referred to.  The Provisional Specification refers to the precipitation of highly polymeric materials in general.
Patent GB-725505-A (GB)
Title: Improvements relating to electric switch control mechanisms
IPC: F25B49/02
Filed: 1953-07-30
Abstract: 725,505. Thermal switches. GENERAL MOTORS CORPORATION. July 30, 1953 [Aug. 12, 1952], No. 21108/53. Addition to 714,225. Class 38 (5). In a bellows or diaphragmoperated switch for a refrigerator &c. of the general character disclosed in the parent Specification the bellows 38 is connected by a lost motion device such as the pin and slot 149, 145 to the contact-operating member 50 so that when the latter moves with a snap, due to toggle links 56, 58 passing through a dead-centre position, and comes to. rest due to the engagement of stops 96, 94 or 153, 86 the shock is not transmitted to the bellows.
Patent GB-635301-A (GB)
Title: Driving mechanism, particularly for use with toys
IPC: A63H29/00
Filed: 1947-08-02
Abstract: 635,301. Magnetic toys. WEATHERHOGG, G. H. Aug. 2, 1947, No. 21128. [Class 132 (iii)] A magnetic toy comprises a frame, a driving member rotatably mounted in a stationary bearing on the frame, a non-magnetic horizontal guide-way or platform on the frame, and a driven member slidably mounted on the guide-way and held in frictional contact with said driving member by magnetic attraction so that the rotation of the driving member will produce a reciprocatory movement of the driven member. As shown, a spindle 1 forming a permanent magnet is mounted in a frame 2, the conical upper end of the spindle taking a bearing in a non-magnetic plate or platform 4. The spindle may be driven in any convenient manner, that shown being by string and pulley. A piece of iron wire 8 held in magnetic contact with the spindle travels with it, and if constrained by guide flanges 7 on the platform it will travel along the platform. Reciprocation of the wire is caused by upstanding members 9. These may be formed with guide means co-operating with the flanges 7 and upstanding posts 10. Targets may be fixed on these posts. The driven member may be of any shape. If desired, the spindle may be an electromagnet.
Patent GB-806808-A (GB)
Title: Improved power transmission gear
IPC: F16H1/22
Filed: 1955-07-21
Abstract: 806,808. Toothed gearing. HINDMARCH, T. July 10, 1956 [July 21, 1955], No. 21162/55. Class 80 (1). In a power transmission in which a driving shaft 1 is geared from a common input pinion to helical pinions 3, 3 on intermediate shafts 4, 4 which are geared by pinions 5, 5 to a common output pinion 6 on a driven shaft 7 axial thrust on the helical pinions 3, 3 splined on the intermediate shaft is balanced by interconnected fluid pressure devices 12, 13 to equalize the loads transmitted through the intermediate shafts. In an alternative arrangement straight spur gears are used which are helically splined to the intermediate shafts and thrust collars on the shafts are acted upon by thrust bearings coupled to a centrallysupported lever.
Patent GB-439231-A (GB)
Title: Internal combustion engine combined with a part adapted to work eventually as a compressor in a single machine
IPC: F04B41/04
Filed: 1934-06-02
Abstract: 439,231. Two - stroke engines; compressing air. CAPDET, H., 127, AlleÚ St.-Agne, Toulouse, France. June 2, 1934, No. 21183/35. Convention date, June 3, 1933. Divided application. [Class 7 (ii)] [See also Group XXVIII] A piston-rod c common to two opposed pistons a is provided near each end with a second piston d, one face of which works in a chamber f to compress the charge to be burnt in the adjacent combustion chamber b while the other face operates in a compression chamber g to provide compressed air &c. for use outside the engine. Ports are provided in the chambers b to open them to the atmosphere and permit the engine to be used as a motor, a spindle m on the piston-rod c being provided with rollers i running in a sinusoidal track h in a sleeve associated with a cylinder j. The track h is preferably of the form described in Specification 304,701, [Class 7 (ii)], and formed as set forth in Specification 355,132, [Group XXII], and causes the reciprocation of the pistons to proceed in accordance with a sinusoidal function of the angle of rotation of the cylinder j, which carries a flywheel pulley k. In a modification, the pistons a are hollow and the combustion chambers are formed in them.
Patent GB-1535092-A (GB)
Title: Process for preparation of monolithic ceramic structures
IPC: B01J35/04
Filed: 1976-05-21
Abstract: 1535092 Forming integral skins on porous ceramics W R GRACE & CO 21 May 1976 [22 May 1975] 21197/76 Heading C1A [Also in Division B5] A process for making a skinned, porous, monolithic structure, e.g. a support for conversion catalysts for vehicle exhaust gases comprises shaping a preform from a composition comprising a polyolefin binder, a plasticizer and a ceramic extracting the plasticizer to make the preform porous, burning out the polyolefin binder and sintering the preform to structure wherein prior to sintering the porous preform, an outer portion of the latter is compressed to a non-porous skin 14. The compression which may occur before or after removal of the polyolefin may be achieved by  passing the porous preform through a die. The skin 14 may have a thickness of <SP>1</SP>/ 16 -<SP> 1</SP>/ 32 inch. The polyolefin may be burnt off at a temperature of 250-700 C. and the preform may be sintered at 1300-1450 C. the preform may be formed by extruding a sheet, passing the sheet through grooved rollers to produce ribs on the sheet, winding the ribbed sheet about a roller, subjecting the rolled sheet to heat to bond the ribs of one layer to the non-ribbed surface of the adjacent layer to form a cylinder having channels 11 and, if required, cutting-off sections to form the preform. The ceramic may be alumina spodumene, mullite, zircon mullite, magnesium aluminate spinel corderites and aluminium titanate. The polyolefin may be H.D. or L.D. polythene, polypropylene or ethylene, butylene. The plasticizer may be a glycol, glycol ethers and esters, glycerine, glycerine monoacetate, alkyl phosphates, polyvinyl aclohol, chlorinated hydrocarbons, sulfonamide, coumarone-indene asphalt oils, polyester butylene or polybutadiene.
Patent GB-233953-A (GB)
Title: Improvements in and relating to date-indicators
IPC: B43K29/087
Filed: 1924-09-08
Abstract: 233,953. Jongh, P. J. de. July 17,1924, [Convention date]. Date.-indicators.- A date-indicator comprises an apertured casing and two relatively movable cylinders, one of which is inscribed with the day names while the other bears the figures for the days of the month arranged in a helical manner. The said cylinders are connected in such a manner that after separate adjustment they can move together. In one form as applied to a pencil case, Fig. 2, the date figures are arranged in a helical manner on a hollow cylinder 1 and the day names are marked as shown on a cylinder 2. The indications are viewable through suitable apertures in the casing 3. The cylinders are connected by a sevensided rod 10 which passes through the cylinder 2 and terminates in a milled button 11. A flange 1 on the cylinder 2, which is held by a nut 8, prevents axial movement of the said cylinder. The rod 10 passes through a disc 12 secured to the cylinder 1 and by reason, of the engagement of a projecting pin 13 on the casing 3 with the helical groove 14 produces an axial as well as a rotary movement of the cylinder. To adjust the calender the cylinders are withdrawn by unscrewing the nut 8 and the cylinder 1 is then removed and replaced with the appropriate day of the week in line with the numeral 1. The month names and years may be inscribed in appropriate column at the parts 16, 17, of the cylinders 1. 2 respectively. The groove 14 is provided with holes 15 in any one of which a pin may be inserted for co-operation with the pin 13 to arrest the movement at a particular date. In a modification for desk use, Fig. 5, the dav name cylinder 23 is provided with a disc 26 having pins 27 engaging holes in a disc 28 secured to the date figure cylinder 29. This arrangement is adjusted in the manner above described in connection with Fig. 2. A month name cylinder 37 surrounds the lower part of the cylinder 29 and is adjustable by means of a button 38 in a recess in the base of the casing. The upper part of the cylinder 29 is adapted to receive daily notes written by hand. In a further modification the space for written notes may be provided on a separate cylinder mounted for movement in a manner identical to that described above. A modification of the means for effecting an axial movement of the date figure cylinder is described, such means consisting of a helical groove in the casing, a pin co-operating therewith on the said cylinder and projecting through a slot in an inner cylinder which is connected to the day name cylinder.
Patent GB-212105-A (GB)
Abstract: 212,105. Dyke, H. S., and Thomas, W. E. March 3, 1923. Locking nuts. - To prevent undesired rotation of a screwed spindle upon which works a nut a<3> connected to a pair of toggle-links forming a part of a brake-adjusting mechanism, a collar a' free to slide upon the spindle, but prevented from rotation with respect to it by a pin a<8> engaging a slot b<5>, has a projection a<9> which is pressed into engagement with a recess in the nut a<3> by a spring a<11> interposed between the collar and a lug a<6> carried by an arm extending from the nut.
Patent GB-1195008-A (GB)
Title: Universal Joint
Inventor: AUCKTOR ERICH
IPC: F16D3/227
Filed: 1969-04-25
Abstract: 1,195,008. Universal joints. LÍHR & BROMKAMP G.m.b.H. 25 April, 1969 [20 March, 1969], No. 21293/69. Heading F2U. In an axially movable caged ball universal joint the inner surface of the outer member 10 is cylindrical and the outer surface of the cage 17 is spherical, while the outer surface of the inner member 3 and inner surface of the cage 17 are each formed with a spherical portion 20 or 26 at one end and a conical portion 24 or 27 at the other. The apex angle of cone 27 is less than that of cone 24, and may be zero so that surface 27 is cylindrical. The spherical and conical surfaces may adjoin each other directly or join short intermediate cylindrical surfaces 30, 31.
Patent GB-573920-A (GB)
Title: Improvements in connectors for electric cables
IPC: H01R4/20
Filed: 1943-12-20
Abstract: 573,920. Sleeve couplings. CRABTREE & CO., Ltd., J. A., HILL, W. E., and WINTLE, T. D. G. Dec. 20, 1943, No. 21295. [Class 38 (i)] A connector for cables has at each end a longitudinal opening to receive the conductor and insulation of a cable the walls being adapted for indentation into retaining engagement with both. In the construction shown, a threaded or ribbed portion d receives the core e and an enlarged portion b receives the insulation c, the cable core and insulation being secured by indentations f and g. An insulating rubber sleeve h having an annular lip i at each end for sealing purposes, may be slipped over the joint. Specification 568,632 is referred to.