baber/WOPTO huggingface dataset:
Patent GB-224528-A (GB)
Title: Improved necktie holder
IPC: A41D25/10
Filed: 1924-11-04
Abstract: 224,528. Raupach, F. W. Nov. 5, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Neckties.-A frame for making up neckties comprisee a flat plate a having its lower surface b formed as a friction surface, preferably of rubber. The necktie is made up loosely and the appliance inserted whereupon the necktie is firmly tied. The rubber surface may be obtained by winding rubber threads on the plate or by placing thereon a roughened rubber shell.
Patent GB-891210-A (GB)
Title: Improvements relating to packages
IPC: B65D5/60
Filed: 1960-07-28
Abstract: 891,210. Packages; cartons; paper &c. bags. Z'GRAGGEN, W. July 28, 1960 [July 28, 1959], No. 26287/60. Classes 18, 94(1) and 94(2). A package comprises a sealed bag having an inner stiffening member and enclosed in a carton, a portion of the mouth being adapted to form a spout, and being trapped between a side of the bag and the carton lid when the latter is closed. The carton body 2 and the lid 1 are formed from a single blank. The bag has an inner stiffener 5 adjacent the mouth. The sealed upper end 7, 8 of the bag is folded down and portion 10, 12 trapped between the closed lid and stiffened bag wall 6. In use, the sealed end is raised and the portion 12 cut off to form a spout. The bag seal 13 may be of diminishing width to give a greater pouring capacity.
Patent GB-206319-A (GB)
Title: Improvements in sparking plugs
IPC: H01T13/38
Filed: 1922-09-29
Abstract: 206,319. Sphinx Manufacturing Co., Ltd., and Corbin, D. H. Sept. 29, 1922. Sparking-plugs. - A set of mica washers 4 is secured within the casing by end pressure exerted on a ring 5 which is simultaneously expanded into a groove 6. Internally this insulation is bored so as to form a shoulder which acts as a seating for the removable central electrode 10 and its surrounding insulation 9. A sleeve 11 is compressed about the insulation 9 and may fit within the casing, the outer end of which may be turned over; or, preferably, the sleeve fits within a gland nut 12 and is secured in position by expanding the inner end in forming the indentation 13.
Patent GB-622940-A (GB)
Title: An improved dental elevator
IPC: A61C1/04
Filed: 1946-09-02
Abstract: 622,940. Dental elevator. DEPESTRE, J. P. Sept. 2, 1946, No. 26316. Convention date, Aug. 31, 1945. [Class 81(ii)] A rotary dental elevator comprises two main bodies 1 and 6, the lower of which constitutes a handle 1 having at its lower extremity two projecting arms 2, and at its upper extremity an externally threaded cylindrical portion terminating in a projection 5, which is internally cylindrical and externally of square cross-section, on which is fitted the lower end of the main body by the union being effected by an internally s c r e w - threaded collar 7. The upper end of 6 is externally hexagonal and has a cylindrical cavity into which is screwed an element 9a comprising a hexagonal flange and two hemispherical shells 9 which accommodate a sphere 11 having a tongue 11a with a chisel or gouge face 11b. Cavities or bores in the sphere coincide with the tapered end of a square rod 12, which may be fixed by catch 13, positioned in the body 6 and actuated by a spindle 4 which extends through handle 1 and terminates in a screwed head 3. On the hexagonal upper end of 6 is fitted an hexagonal ring 10 which is adapted to slide upwardly to fix on to the collar 9a.
Patent GB-375627-A (GB)
Title: Improvements in or relating to the production of organic acid amides
IPC: C07C233/01
Filed: 1931-09-21
Abstract: Amides of lower aliphatic acids which form simple anhydrides are made by reacting the acid anhydride with not substantially more than one equivalent of ammonia or of a primary or secondary lower aliphatic mono amine.  The reaction is preferably effected below 90 DEG  C., particularly below 40 DEG  C.  The aliphatic acid produced is separated from the amide by distillation, preferably under reduced pressure.  Acetamide produced in this manner is suitable for the production of methylamine by the process of Specification 169,536, [Class 2 (iii), Dyes &c.].  Propionamide and butyramide may be made in the same manner and mono- and dialkylamines such as methylamine may be used instead of ammonia. In an example anhydrous ammonia is bubbled into acetic anhydride at 40 DEG  C., and the acetic acid is distilled off at reduced pressure.  The Specification as open to inspection under Sect. 91 (3) (a) includes the use of other acid anhydrides and other substituted ammonias such as aniline.  This subject-matter does not appear in the Specification as accepted.
Patent GB-995193-A (GB)
Title: Maleic anhydride recovery
IPC: C07C51/31
Filed: 1961-07-20
Abstract: In a process for recovering maleic anhydride from a hot gaseous oxidation reaction mixture wherein the gaseous mixture is cooled by indirect heat exchange in a cooling zone to condense a substantial part of the maleic anhydride therein to form a liquid condensate comprising a supersaturated solution of maleic acid in maleic anhydride, the exit temperature of the gaseous mixture from the cooling zone is continuously maintained in the range of 51.5 DEG  to 54.5 DEG  C., so that the cooling zone is maintained free of solid deposited material having a maleic acid content greater than 40% by weight.  The gaseous reaction mixture may be obtained by oxidizing benzene with molecular oxygen in the presence of a vanadia catalyst as described in Specification 853,849.  Examples are given. Specification 701,707 also is referred to.
Patent GB-900947-A (GB)
Title: Improvements in or relating to apparatus for use in electric communication systems
Inventor: ROBINSON ALAN SEYMOUR
IPC: H04B3/46
Filed: 1959-07-31
Abstract: 900,947. Electric signal transmission systems. GENERAL ELECTRIC CO. Ltd. July 18, 1960 [July 31, 1959], No. 26379/59. Class 40 (4). [Also in Group XL (c)] In an electric communication system in which a transistor amplifier amplifies information signals, an electromagnetic relay is controlled by variation of the bias of one or more transistors in the amplifier in dependence upon the presence or absence of a supervisory signal. Signals from a carrier telephone system are demodulated at a receiving station to obtain speech signals in the range 300-3400 c/s. and a signalling tone of 3825 c/s. The speech signals pass through lowpass filter 2, amplifier 4, transformer 6, junction transistors 9, 10 connected in the common base push-pull mode and operating under class A conditions, and then through transformer 12 to terminals 14, 15. Resistors 16, 17 provide operating bias for transistors 9, 10. The signalling tone is passed by band-pass filter 3, amplified by amplifier 24, detected by rectifier 25, smoothed by capacitor 26 and applied across resistor 16 to vary the bias applied to the base electrodes of transistors 9, 10. Variation of bias caused by initiation or cessation of signalling tone varies the current flowing in winding 21 of electromagnetic relay 20, thereby operating the relay. Junction transistor 27 obviates appreciable changes of voltage at the centre tapping of winding 11 when the current through winding 21 changes. Bias for the base electrode of transistor 27 is provided by connecting it to the junction of resistors 29, 30 and is chosen to give a voltage at the centre tapping of winding 11 which remains constant despite changes in the collector current of transistors 9, 10 caused by switching of signalling tone. Transistor 27 may be omitted (Fig. 1, not shown). In another arrangement, not shown, the signalling tone and speech signals are separated after passage through the amplifier, filters 2, 3 being connected to the output of the apparatus, the signalling tone being then amplified and detected to provide D.C. bias for transistors 9, 10.
Patent GB-893936-A (GB)
Title: Ultra high frequency heating apparatus
Inventor: BARNES HERBERT ROY
IPC: H05B6/78
Filed: 1959-07-31
Abstract: 893,936. Dielectric heating apparatus. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. July 29, 1960 [July 31, 1959], No. 26388/59. Class 39(3) In a method of heating material in a cavity resonator between the ends of which is established a standing wire pattern, the cut-off frequency of the cavity, at least in the region where the material to be heated is located, is made equal to the frequency of the applied ultra high frequency energy so that a substantially uniform field distribution is obtained over that region of the cavity. The heating apparatus comprises a cavity resonator in which a standing ware pattern is set up between laterally movable end piston 4 and a matching iris 7, the material to be heated is located in the centre of the cavity and the middle region of the cavity is tuned by means of adjustable side plates 2, 3 to the cut-off frequency. In the case of heating strip material, this passes through the cavity in a plane parallel to the electric field vector through choked slots 5. The distance between the iris 7, the piston 4 and the respective nearest edges of the strip is preferably #/4. If desired the strip may pass through a plurality of such cavities arranged side-by-side. Alternatively the cavity may be provided with an operable wall so that other objects may be placed in it and thus heated.
Patent GB-1304745-A (GB)
IPC: H03K17/082
Filed: 1970-06-01
Abstract: 1304745 Transistor protection circuits HONEYWELL Inc 1 June 1970 [31 Oct 1969] 26389/70 Heading H3T An emitter-follower circuit 300 in a logic system is protected against overload by a circuit 400 which is enabled and biased when the circuit 300 is conducting so that it will turn off and bypass circuit 300 in the event of the voltage at its output dropping below a predetermined value caused, e.g. by a short circuit in a load 500. A logic I<SP>1</SP> signal is applied to an "isolation means" 100 from which an inverted output I is applied to the emitter follower 300 and an uninverted output Ia<SP>1</SP> is applied to the enabling and biasing means which as shown comprises the transistor circuits 200. Thus, when I<SP>1</SP> is "1", I is "0" so that the emitter follower is not conducting; Ia<SP>1</SP> will also be "1" causing transistor T211 to conduct, which biases the further transistor T221 off so that no bias or enabling signal is applied to the protection circuit 400. When I<SP>1</SP> changes to "0" the converse takes place, transistor T221 conducting after a delay determined by a capacitor C211 to allow the emitter-follower 300 to conduct first. The bias applied to circuit 400 is such that its transistor T401 will conduct to turn off and shunt the emitter-follower before its output voltage drops sufficiently to overload it. In Fig. 2a (not shown) the biasing transistor circuit 220 is replaced by series connected diodes and a resistor which form a potentiometer. The circuit may be in integrated form, the diodes of Fig. 2a and the capacitor C211 being constructed as transistors with permanently short circuited collector/base and collector/emitter electrodes respectively.
Patent GB-191155-A (GB)
Title: Improved implement or appliance for playing a game
IPC: A63B65/10
Filed: 1921-10-06
Abstract: 191,155. Ogden, R. D. Oct. 6, 1921. Outdoor games.-An implement for throwing from one player to another over a net comprises a resilient elastic ring of pneumatic character not exceeding 6-8 inches in diameter. The ring may be of tubular rubber reinforced with canvas, or of sponge rubber A covered by a layer of plain rubber B or gutta-percha.
Patent GB-1271641-A (GB)
Title: Improvements relating to electrical signal amplifiers
Inventor: TALBERT DAVID GODWIN
IPC: G06G7/25
Filed: 1968-06-04
Abstract: 1,271,641. Amplifier circuits. EMI Ltd. 25 July, 1969 [4 June, 1968], No. 26524/68. Heading H3W. [Also in Division G1] An amplifier 1 has feedback which is insensitive to A.C. and small amplitude D.C. but sensitive to larger amplitude D.C. Such an arrangement can prevent blocking of the amplifier by charging of the input capacitor due to interfering signals. As shown the back-to-back rectifiers 9, 10 block low amplitude A.C. and D.C. feedback and the capacitor 12 by-passes higher amplitude A.C. from the feedback path. The circuit is particularly suitable for amplifying electrocardiogram or electroencephalogram signals in the presence of interference from diathermy or defillibration equipment.
Patent GB-1003992-A (GB)
Title: Improvements in or relating to lapping heads
Inventor: CARTER BEN
IPC: B24B21/00
Filed: 1963-07-05
Abstract: 1,003,992. Lapping heads. B. & F. CARTER & CO. Ltd. Nov. 12, 1963 [July 5, 1963], No. 26667/63. Heading B8G. A lapping head, Fig. 1, that orbits a reel 11 of wrapping ribbon about a core 15 includes a roller 27 that lays the ribbon on the core and, in conjunction with other like rollers, acts as a guide and support for the core, the apex of the reel 11 and roller 27 being parallel and being adjustable jointly about an axis directed diametrically through the core 15, roller 27 and reel 11 to vary the angle of lay. Tension control.-Any increase in tension in the ribbon causes a lever 30 that carries the roller 27 to pivot clockwise about an axis 31 and an upper screw 37 on the lever 30 then deflects a brake lever 32 anticlockwise about a pivot 38. This reduces the pressure exerted by a brake shoe on a brake pulley 33 and thus reduces the tension in the tape. Reel mounting.-The reel 11, Fig. 4, is mounted on a conical boss 43 that is freely rotatable on needle bearings 44. The boss 43 is surrounded by an expandable segmented sleeve 46 that can be expanded by tightening up a locking ring 51 that squeezes the expandable segmented sleeve 46 between an inclined shoulder 50 and a wedge member 47. Retaining rings 52 hold the segments of the sleeve together, such rings being sufficiently resilient to allow expansion of the sleeve when required.
Patent GB-773038-A (GB)
Title: Tongue cleaning device
IPC: A61B17/24
Filed: 1955-09-20
Abstract: 773,038. Tongue scrapers. CALDERON, 'S. V. Sept. 20, 1955 [Sept. 25, 1954], No. 26800/55. Class 81(2) A tongue scraping device comprises a 'handle 10 carrying a loop formed from two diverging arms 12 and a semicircular end 13. The rod. from which the loop is made, is of approximately semi-circular crosssection so as to provide a sharp scraping edge. The device may be made of synthetic resin or metal and may be formed with the loop and handle in one piece.
Patent GB-269604-A (GB)
Title: Improvements in calendars
IPC: G09D3/08
Filed: 1925-10-27
Abstract: 269,604. Roberts, G. M., and Ratzer, H. J. Oct. 27, 1925. Samples furnished. Calendars.-A monthly calendar in which the preceding and succeeding months are displayed as well as the current month comprises a number of superimposed plates or discs constituting a. casing for two relatively rotatable discs one of which bears the month indications and the other carries a set of particular date markings. In the form shown Figs. 3, 4, and 6, the casing consists of a front, intermediate, and back plate; the front plate a has an aperture b for displaying a three monthly period and the intermediate plate d has a. cutaway segment e for the current month and two portions f in a contrasting colour to distinguish the preceding and succeeding months from the current month. The month indications are arranged in segmental formation on a transparent plate c mounted on a central pivot in front of the intermediate plate and behind this plate is similarly mounted a disc h with outlined spaces h<1> forming particular date indicators adapted to be adjusted daily. The disc h behind the spaces h<1> may be differently coloured from the remaining portion to distinguish the past from the future days of the current month. In a modification the month indications may be arranged on segmental plates held in pockets or recesses formed on the casing. The disc h with the particular date markings may be transparent and be arranged in front of an opaque month disc or plates.
Patent GB-1317600-A (GB)
Title: Pharmaceutical compositions
IPC: A61K47/26
Filed: 1970-06-03
Abstract: 1317600 Sustained - release medicaments SUMITOMO CHEMICAL CO Ltd 3 June 1970 [3 June 1969 30 Jan 1970] 26892/70 Heading A5B Sustained release pharmaceutical compositions comprise a therapeutic agent and a watersoluble salt thereof and an absorption-controlling material which is an at least equivalent amount of at least one C 12-22  ethylenically or acetylenically unsaturated ether, alcohol (or an ester thereof), or acid (or a salt, ester or amide thereof); or an oil containing at least 35% by weight of any of these, the said absorption-controlling material being a liquid at room temperature. The invention is exemplified with reference to compositions containing salicyclic acid and sodium salicylate and indomethacin and its sodium salt. Suitable absorption-controlling materials are linoleic acid, linolenic acid, safflower oil, castor oil, peanut oil, linseed oil, methyl linoleate, N-cyclohexyllinoleamide and N-α-methylbenzyl linoleamide. The compositions may be put up into such forms as capsules, suppositories and oral preparations. They may also comprise a surface active agent and/or a glycol together with colouring agents, stabilizers and diluents.
Patent GB-1479665-A (GB)
Title: Apparatus for reducing clutter in returns produced by a radar system
IPC: G01S13/538
Filed: 1974-06-18
Abstract: 1479665 Area M.T.I. radar THOMSON-CSF 18 June 1974 [19 June 1973] 26936/74 Heading H4D The Specification relates to improvements in an Area Moving Target Indication radar system, which in the prior art, Fig. 2, has a variable threshold detection level which is increased by an amount M and decreased by an amount N where M>N depending on increase or decrease respectively of detected signal level. The present invention further provides a means for establishing a correction signal K which is a function of residual clutter in the signal as outputted from the prior art system, and means for modifying the threshold detection level in accordance with the value of the correction signal and in a manner such as to reduce the residual clutter in the prior art outputted signal. The correction signal K when added to the prior art signal maintains the signal above the residual clutter level CL, Fig. 4. For a monobeam system the radar video signal is applied at 1, Fig. 3, to a comparator where it is compared to the threshold level S c (i-1) on the preceding measurement (previous scan). If higher the threshold level becomes S c <SP>i</SP>+M; if lower S c <SP>i</SP>-N. The optimizing factor K i  is determined by counting the number A of echo pulses, which generally represent stationary objects, received above a threshold level 3, via comparator 3, divider 6 and counter 7 and dividing A into a number B obtained from counter 8 which counts the number of echoes received which are greater in amplitude than the preceding optimized threshold level S c (i-1)+K(i-1) via comparator 17. The value of this quotient T R  is tested in comparators 10, 11; for the condition T min < T R <T max , the value of K remains unaltered; for T R <T min , K is increased; for T R >T max , K is reduced. For a multibeam system, the circuit of Fig. 3 may be repeated for separate processing each separate beam (Fig. 6, not shown), or, the signals from all the n beams may be used to determine a common "base" threshold (Fig. 7, not shown) to which is applied an optimizing factor K in , calculated as above for each beam.
Patent GB-803900-A (GB)
Title: Improvements in or relating to air-ozonising apparatus
IPC: C01B13/11
Filed: 1956-09-04
Abstract: 803,900. Producing ozone. BLATTER, M., [trading as BLATTER [Firm of]. Sept. 4, 1956 [Sept. 7, 1955], No. 26958/56. Class 39(1). In an air-ozonising apparatus, a transformer is arranged centrally in a housing and four discharge electrode assemblies are disposed in the space between the transformer and the wall of the housing at the corners of a square. Sockets 24, connected to the secondary winding of the transformer 7 by leads 17 and 18, are secured to the cover 1 of the housing and the electrode assemblies 16 are formed with plugs 21 to fit the sockets. The insulating parts of the plugs and sockets are formed of steatite. Each electrode assembly comprises a flat glass insulating plate 29 with plane surfaces placed between two flat grid-like discharge elements 30 which are held in position and at least partly enclosed by current conductors 31. The cover 1 of the housing supports the transformer and the part 2 of the housing is secured by a bail strip 10 to the transformer. Inlets 32 and outlets 33 are provided in the housing. A fan may be provided below or above the housing to draw or force air through the housing. Instead of four electrode assemblies more or fewer assemblies may be provided.
Patent GB-955163-A (GB)
Title: Automatic dispensing nozzles
IPC: B67D7/48
Filed: 1961-07-26
Abstract: 955,163. Valves. DOVER CORPORATION. July 26, 1961 [Feb. 14, 1961], No. 27162/61. Heading F2V. [Also in Division B2] An automatic dispensing nozzle comprises a hollow body, a spout element attached to one end thereof, a main valve having operating means and a release means responsive to a vacuum, a sensing tube controlling said vacuum, a supplementary valve fluid pressure actuated which in a closed position retains fluid in the body upon closure of the main valve, the supplementary valve head having surfaces which coact with adjacent surfaces of a fitting within the body to produce a Venturi effect upon the flow of fluid through the body, a vacuum passageway connecting the Venturi means with the release means. In operation, when it is desired to fill a container lever 17 (Fig. 1) is depressed which opens a main valve 6 the fulcrum 18 being stationary as the plunger 29 is held locked in the position shown by balls 32, in recesses therein, bearing against shoulders 33 of the body. Fluid flows around the central tubular housing part 30 and the fluid pressure forces open the supplementary valve tappet 50, 51 against the resistance of a spring 56 allowing fluid through and past a spider 42, 43 (detailed in Fig. 3) of a fitting 36, down a spout 35 into a container. When fluid in the container reaches a level so that a Venturi sensing tube opening 48 is submerged air is evacuated from the chamber above diaphragm 24 by the suction created by the flow of liquid in a Venturi neck form between the valve head 51 and adjacent surfaces on the interior of the fitting 36 and diaphragm rises together with plunger 25 causing the balls 32 to move radially inwards and release their lock on the plunger 29. The plunger 29 and fulcrum 18 are then caused to move down by a spring 7 acting through a valve stem 13 and the main valve closes. Since fluid flow ceases the supplementary valve will also close thus retaining residual fluid in the body. Figs. 2, 4 (not shown) illustrate in more detailed form the supplementary valve construction. U.S.A. Specification 3,005,476 is referred to.