baber/WOPTO huggingface dataset:
Patent GB-267318-A (GB)
Title: Improvements in or relating to candlesticks
IPC: F21V35/00
Filed: 1926-03-18
Abstract: 267,318. Jenkins, D. J. March 18, 1926. Candle holders.-A device for retaining candles in candlesticks comprises a number of flexible or pliable members such as chains 1 or coiled, stranded, woven or bowed wires 8, each connected at one end to a ring or plate 2 inserted in the candlestick socket and furnished at the other end with a head or other ornamental member 3. When the candle has burnt down fo the level of the top of the socket it may be raised or extracted by pulling on the members 3. The links of the chains may be triangular or T-shaped in cross-section so as to bite into the candle. The plate 2 may be formed as a flanged cup for receiving the wick end when the candle has burnt out. The device may be permanently attached to the candlestick by passing one of the chains or wires through a hole in the socket.
Patent GB-775352-A (GB)
Title: Improvements in holders for double-ended tubular electric discharge lamps
IPC: H01R33/08
Filed: 1954-09-15
Abstract: 775,352. Lampholders. BRITISH THOMSON-HOUSTON CO:, Ltd. Sept. 15, 1954 [Sept. 15, 1953], No. 7488/56. Divided out of 775,350. Class 38 (1).  A lamp holder arrangement for discharge lamps having bases constructed as in the second embodiment of the lamp base described and claimed in Specification 775,350 comprises two holders 68, 69, holder 68 having bifurcated contacts 78, 79 mounted on a tongue 80 slidable in grooves 81, 82 in a spring-pressed plunger 70 which is movable in a housing 75, the contacts 78, 79 fitting into passages of.the corresponding lamp base and serrated surfaces 86, 87 of the contacts ensuring good contact. An opening 84 in the front wall of the plunger corresponds in shape to an embossment in the lamp base. Holder 69 has fixed contacts and no plunger, a closure plate 91 having an opening similar in shape to that in the plunger.
Patent GB-582539-A (GB)
Title: Improvements in and relating to swath turners
IPC: A01D78/14
Filed: 1944-04-22
Abstract: 582,539. Swath turners. DICKIE, J., and DICKIE & SONS, Ltd., W. April 22, 1944, No. 7517. [Class 6 (iii)] A swath turner having a plurality of groups of rotating tines and an inner screen f against which the hay is thrown, has the screen freely mounted about a pin m so that it automatically assumes the desired inclined position under the action of the hay thrown against it, the inclination automatically altering when the direction of rotation of the tines is reversed. The pin m shown passes through lugs l on the screen and lugs j, k, j<SP>1</SP> on a bar i which is secured to an extension h of a frame c<SP>1</SP> mounted on the wheel axle b. Rigid with the screen is a bent rod n the forward end of which engages in an elongated frame or gate p mounted on the extension h. The frame c<SP>1</SP> co-operates with forward extensions of saddles carrying the tines to limit the downward movement of the tines in the manner set forth in Specification 582,537.
Patent GB-1405014-A (GB)
Title: Channel shaped trimming or sealing strips
IPC: B60J10/00
Filed: 1972-02-18
Abstract: 1405014 Sealing strips DRAFTEX DEVELOPMENT AG 8 Feb 1973 [18 Feb 1972] 7521/72 Heading EIJ [Also in Division B5] A channel-shaped strip comprises portions meeting at a mitred joint and each having a U-shaped rigid core with a flexible covering, reinforcing members embedded in the covering of respective portions and meeting at the joint. The reinforcing members comprises an integral L-shaped member 13 or separate members 23 fitted into pockets in the covering.
Patent GB-1365915-A (GB)
Title: Transisitor circuit for performing gating operations
IPC: H03C1/54
Filed: 1971-06-07
Abstract: 1365915 Synchronous detectors, amplitude modulators, stereophonic radio receivers SONY CORP 7 June 1971 [9 June 1970 (2) 12 June 1970] 7565/74 Divided out of 1365914 Headings H3R H3T and H4L A pair of gates opened alternately each comprise a transistor shunting a signal path and means for applying substantially equal D.C. bias voltage to the collector and emitter electrodes in a sense to prevent current flow through the transistor when the transistor is switched off. The circuit is described as applied to a balanced modulator, a synchronous demodulator and a stereo demodulator, Fig. 5 shows a stereo demodulator in which the signal is applied via terminal 33 and an emitter follower 26 to two gating circuits, operated alternatively, comprising respectively transistors 15a and 15b feeding output amplifiers 24a, 24b. Each gating transistor is supplied with a constant current at its base stabilized by a diode 20 and is biased equally at collector and base by D.C. voltages obtained from a stabilized bias source 25 via transistors 27 and 26. The equal bias prevents offset and, being in a direction to render the collector and emitter junctions non-conducting, prevents conduction if the signal goes negative with respect to the base. The gates are opened alternately by a phase splitter 18a, 18b driven by pulse source 14 so that the two channels appear respectively at output terminals 36a and 36b. Muting can be effected when the signal is detuned by applying a voltage to terminal 42. The balanced modulator or demodulator (Fig. 6, not shown) is similar except that the input signals are applied to the two gates in antiphase and the output of transistors 24a, 24b are connected in parallel.
Patent GB-680887-A (GB)
Title: Improvements in or relating to stoves or heaters
IPC: F24C5/02
Filed: 1950-04-02
Abstract: 680,887. Liquid fuel stoves; liquid fuel burners. LION STAMPING CO., Ltd. (BREESE BURNERS, Inc.). April 2, 1951, No. 7598/51. Class 75(i) and 126. In a space heater in which a liquid fuel is burned in the vapour phase in a combustion chamber surmounting the fuel tank the flue, which is connected to the combustion chamber, forms the support for the latter and means are provided for moving the fuel tank upwards so that it communicates directly with the combustion chamber and downwards so as to make its outlet accessible for extinguishing the heater. The heater shown comprises a base 10, a flue 12 supporting a combustion chamber 14 connected thereto by a passage 18 and a fuel tank 16. The combustion chamber is divided into portions 20, 22, by a baffle 24 and the lower portion is perforated at 54, 56 for the supply of combustion air. An air pipe 30 extends into the tank 16 so that when the tank is in operative position, Fig. 1, the pipe lies close to the wall of the chamber 14 so that air entering through an aperture 32 is preheated before being delivered into the tank. The air inlet 32 is thermostatically controlled by a flap 38 under the influence of a bi-metallic element 40. The tank 16 rests on a platform comprising a pair of side arms 42, 44, which are hinged to the flue at 45 and are joined by a rod 46 which can be turned about its longitudinal axis. The tank can be raised or lowered into or out of direct communication with the chamber 14 by raising the front end of the platform by turning a U- shaped handle 48 the lugs 49 of which pass through the rod 46 and act as cams in conjunction with the base 10. The tank is filled through the opening 52 which is closed by a cap 53 comprising a torch 55 which is lit when the fuel in the tank is to be ignited. At first air to support combustion enters around the cap 53 which is loosely fitted then, as combustion proceeds, primary air will be drawn down the pipe 30 and secondary air will enter through perforations 54, 56. The cap is then tightened and at a certain temperature the opening 32 is automatically closed the primary and secondary combustion air being then supplied through the perforations 54, 56 respectively. To extinguish the heater the handle 48 is timed to lower the platform and the lid 58 is placed over the tank outlet 28. If desired the lid may be hinged to the pipe 30 as shown at 60. The heater can be used as a portable unit: Whilst in Fig. 1 the chamber inlet 26 has a spigot which registers in the outlet 28 the fuel tank shown in Fig. 4 has a spigot 64 which enters the lower end of the combustion chamber.
Patent GB-311697-A (GB)
Title: Improvements in process of alkylating cellulose
IPC: C08B11/02
Filed: 1929-03-08
Abstract: 311,697. Du Pont de Nemours & Co., E. I., (Assignees of Hahn, F. C.). May 14, 1928, [Convention date]. Grant of Patent opposed. Cellulose ethers; alkali cellulose.-In the manufacture of cellulose ethers cellulose is first ground to a suitable degree of fineness and added to, and intimately mixed with, a slurry of caustic soda in an inert or non-etherifiable liquid such as benzene. The injurious effects on the cellulose which might otherwise be caused by a preliminary grinding with alkali are avoided, and the product of alkylation is adapted for the manufacture of films. The initial treatment avoids the presence of excess water and the alkylation is consequently assisted.
Patent GB-799732-A (GB)
Title: Improvements in or relating to blue levelling anthraquinone dyestuffs
IPC: C09B1/34
Filed: 1957-03-07
Abstract: The invention comprises blue dyestuffs for wool, silk, and nylon of the formula <FORM:0799732/IV (b)/1> wherein A is hydrogen or methyl, M is a monovalent cation, n is 1 or 2, and m is 2, 3, 4 or 5.  They are made by (1) acylating 1 mol. of an anthraquinone derivative of the formula <FORM:0799732/IV (b)/2> with 1 mol. of a functional derivative of an alkoxy-fatty acid of the formula CmH2m+1-O-(CH2)2-COOH, (2) condensing 1 mol. of a salt of 1-amino-4-4-bromanthraquinone-2-sulphonic acid with 1 mol. of a 1-amino-4-acylaminobenzene of the formula <FORM:0799732/IV (b)/3> or (3) reacting with an alkali metal sulphite an anthraquinone derivative of the formula <FORM:0799732/IV (b)/4> In examples: (1) 1-amino-4-(41-methylamino)-phenylamin - anthraquinone - 2 - sulphonic acid is condensed with 2-(isoamyloxy) propionyl chloride or 2-ethoxy-propionyl chloride; (2) sodium 1 - amino - 4 - (41 - amino) - phenylaminoanthraquinone - 2 - sulphonate is reacted with 2 - (n - butoxy) - propionyl chloride or with ethoxyacetyl chloride; (3) sodium 1-amino-4-bromanthraquinone-2-sulphonate or 1-amino-2,4-dibromanthraquinone is reacted with 1 - amino - 4 - ethoxyacetylaminobenzene, followed, in the case of the dibrom compound, by reaction with potassium sulphite.  Other starting materials are listed.
Patent GB-1030682-A (GB)
Title: Improvements in or relating to traps for fibrous waste
IPC: E03C1/264
Filed: 1962-02-27
Abstract: 1,030,682. Waste traps. G. E. TONGE. Feb. 27, 1963 [Feb. 27, 1962], No. 7713/62. Heading E1C. A waste trap to remove suspended matter from fluid effluent comprises a vessel 1 (with a lid 9) having an inlet 6 to connect to a source thereof and an outlet for fluid to connect to waste, in which is removably mounted as shown a container 2, comprising a screen to retain suspended matter. The container 2 is of metal gauze, has a handle 4 and is supported around its base 5 on brackets 3.
Patent GB-493944-A (GB)
Title: Improvements in or relating to electric lamps
IPC: F21S8/10
Filed: 1937-03-16
Abstract: 493,944. Cycle &c. lamps. LOCKEY, C. O. March 16, 1937, No. 7726. [Classes 39 (ii), 75 (ii), 75 (iii), and 75 (iv)] A cycle lamp giving a red rear light spread over a wide angle comprises a bulb 23, a parabolic reflector 22 with a bull's eye ruby glass 25 mounted in an aperture therein, a front glass 11, a rear bull's eye 16a, coloured red or covered on each side with red transparent material, just touching the ruby glass, a red dome-shaped glass 16 and a battery 28, all contained in a casing having a rear wall 14 detachably held by clips 15. Carried on an arm 20 of a metal ring 19 are the bulb and an insulated wire leading from the central bulb terminal to a contact 27 on a sleeve 18 mounted as shown. A tubular member 31 welded to the casing enables the lamp to be rotatably mounted between a shoulder 33 and a wing nut 34 of a bracket 32, itself rotatable in a clip 35 attachable to a cycle fork or handlebar, so that the lamp can face any way. A switch 29 closes the lamp circuit.
Patent GB-1206835-A (GB)
Title: Electrophotographic members
Inventor: SCHULTZ RONALD B
IPC: G03G5/05
Filed: 1968-02-16
Abstract: 1,206,835. Electrophotographic element. ADDRESSOGRAPH-MULTIGRAPH CORP. 16 Feb., 1968 [24 Feb., 1967], No. 7783/68. Heading H1K. [Also in Division C3] An electrophotographic element comprises a conductive support and a layer of photoconductive insulating material disposed in a polyurethane binder produced from an aliphatic monocarboxylic fatty acid ester of a polyhydric alcohol wherein the alcohol has at least two free hydroxyl radicals, and an organic polyisocyanate. The conductive support may be a plate or foil of Al, Cu, Sn, or steel, or paper, cloth or plastics containing inorganic salts to provide conductivity. The photoconductor may be Se, S or oxides, sulphides, selenides or tellurides of Zn, Al, Ti, Pb, Sb, Bi, Cd, Hg, Mo or Cu, zinc titanate, arsenic trisulphide, lead chromate, cadmium arsenide, anthracene or anthraquinone. In a specific embodiment a mixture of soya oil and pentaerythritol is heated and Ca acetate added to reduce the acid number of the polyester. The cooled mixture is treated with tolylene di-isocyanate to yield a polyester-polyurethane resin which was mixed with ZnO, eosin yellow, alphazurin and Co naphthenate and coated on paper. The remaining unsaturated sites will cross-link by air oxidation after application to the substrate.
Patent GB-407196-A (GB)
Title: Improvements in or relating to pencil-sharpener appliances
IPC: B43L23/08
Filed: 1933-03-15
Abstract: 407,196. Pencil sharpeners. MUSSGULLER, F., 8, Schiffstrasse, Erlangen, Germany. March 15, 1933, No. 7853. [Class 146 (iii).] Relates to pencil sharpeners of the kind comprising a box or receptacle containing the sharpener and closed by a removable transparent cover of celluloid &c. In the construction shown in Fig. 1, the transparent cover is a sheet b of celluloid &c. sprung in between the side walls of the box a, the end walls being extended upwardly in semi-circular form to cover the edges of the sheet b. Notches f are provided in the upper edges of the side walls so that the cover can be easily grasped for removal. The sharpener c, which may be a double arrangement with two sizes of cone, is supported at a substantial height above the bottom of the box ; it is shown as attached to one end wall by rivets d, and supported at the inner end by feet e resting on the bottom of the box. In the construction shown in Fig. 5, the sharpener c is secured by flanging it outwardly over an aperture in the end wall, and the end walls are extended above the cover b to provide a rest for pencils, pens, &c. In another arrangement the side walls are formed with trough-shaped lugs to support pencils, pens, &c.
Patent GB-905177-A (GB)
Title: Improvements relating to teapots and similar pouring vessels
IPC: A47G19/14
Filed: 1960-03-05
Abstract: 905,177. Teapots &c. ALCOCK. LINDLEY & BLOORE Ltd., and LINDLEY, W. S. Feb. 27, 1961 [March 5, 1960], No. 7894/60. Class 66. A vessel such as a teapot has a pouring spout 11 and a handle 12 diametrically opposite each other, a circular filling opening 13 having a horizontal ledge 14 around it, which is overhung by shoulder 17 except for a gap 16 nearest the handle, and a circular lid 20 having a rim 22 with one or more projecting lobes 23 adapted to pass through the gap 16 and engage under the shoulder to lock the lid in position when the lid is partly rotated. The knob 24 on the lid may be replaced by a bar which indicates whether the lid is locked. The spout may have a base portion 11a integral with the body 10 and a detachable metal portion 11, or the whole spout may be integral with the body. The teapot may be made of ceramic, plastics, or metal.
Patent GB-350044-A (GB)
Title: Improvements in selecting and printing mechanism for telegraph receivers
IPC: H04L17/24
Filed: 1930-03-11
Abstract: 350,044. Typewriters &c. TELETYPE CORPORATION, 1400, Wrightwood Avenue, Chicago, U.S.A. March 11, 1930, No. 7942. Convention date, March 20, 1929. [Class 100 (iv).] Relay type-wheel machines; case-shift mechanism. -In a type-printing telegraph receiver levers 57, operated in accordance with the received signals, move selector discs 85 clockwise or anticlockwise to align a set of notches in their edges 88. A pin 89 is pressed into the aligned set of notches by spring bands 93, and stops an arm 94 on a shaft 97 rotated from the motor M to position the desired character on the type-wheel 116. The arm is provided with a latch to prevent rebound (Figs. 9 and 10, not shown). A sixth lever 57, controlled by a sixth selector lever, rocks a member 120 through a lever 1251 to bring a leaf spring 122 uppermost to print a numeral or a leaf spring 121 to print a letter. When the combination of selecting levers 46 has been set up, a cam engages its follower 75, Fig. 3, to move a trip bail 74 from a stop-lug 73. The friction clutch 63, Figs. 1 and 2, then begins to drive the cam 62, and after an initial movement a cam follower 81 rides over the shoulder of a cam 80 to permit a compression spring 82 to engage toothed members 78, 79 of a grab clutch, which takes up the drive. The cam 62 controls the printing action as described above. Hammer-impression arrangements.-The cam 62 rocks, through a follower 127, a printing bail 124, which raises the member 120 to press a tape 118 against the type-wheel 116, Fig. 3. Line-spacing mechanism.-The tape is fed by a wheel 128 bearing on a pressure wheel 128<1>. The wheel is attached to a ratchet wheel 128, Fig. 1, driven by a spring-pressed pawl 130 which is withdrawn, after the printing of each character, by a feed bail 132 operated by a cam follower on the outer edge of the cam 62.
Patent GB-634116-A (GB)
Title: Improvements in and relating to fastener devices
IPC: F16B13/08
Filed: 1947-03-25
Abstract: 634,116. Wall &c. plugs. UNITED-CARR FASTENER CORPORATION. March 25, 1947, No. 8120. Convention date, April 2, 1946. [Class 89 (i)] Plugs for use in wood, thermoplastic material, &c. to afford a holding means for a bolt of the type comprising a threaded sleeve 5, Fig. 2, with an enlarged end 16 carrying teeth 18 that become embedded in the material to prevent rotation of the sleeve have a further sleeve 6 with a flanged end 20 that is driven over the sleeve 5 and against the enlarged end 16 that serves as an anvil causing the leading end of the sleeve 6 to flare outwards at 22 and engage with holding effect in the wall of the hole in the plastic &c. material. In a modification the sleeve is formed of softer material so that it collapses to give engagement at 28, Fig. 8, in addition to the engagement at 22.
Patent GB-1291364-A (GB)
Title: Improvements in or relating to frequency controlled oscillator circuits
IPC: H03L7/20
Filed: 1970-02-20
Abstract: 1291364 Automatic phase control SIEMENS AG 20 Feb 1970 [21 Feb 1969] 8175/70 Heading H3A  An APC system comprises a frequency changer Ts2 to which the harmonic spectrum of a crystal controlled oscillator is fed, e.g. via a pulse stage Tsl, PTr, together with the output of a tunable oscillator Ts5, the output of the frequency changer being applied via a low-pass filter TP to a D.C. control stage comprising a first and a second potential divider chains R1- R3, R s  so that step-wise tuning of the oscillator Ts5 is effected via voltage dependent tuning elements Gr1, Gr2. The output of the frequency changer depends on the phase relationship between the controlled oscillator output and the relevant component of the harmonic spectrum and an IF stage Ts3 along with a rectifier transistor Tr2 are provided so that a variable D.C. control voltage is superposed on the bias voltage applied to varactors Gr1, Gr2 by the potential divider chains. A 1 Hz wobbulator stage Ts7, Ts8 is arranged to switch the IF transistor Ts3 on and off in response to alternating components present at the base of Ts8 so that a sweep voltage is applied to the oscillator Ts5 to facilitate look-in.
Patent GB-842512-A (GB)
Title: Improvements in or relating to colour television receivers
IPC: H04N9/71
Filed: 1958-03-14
Abstract: 842,512. Colour television. COLE Ltd., E. K., and TINGEY, P. A. March 16, 1959 [March 14, 1958], No. 8182/58. Class 40(3). [Also in Group XL(c)] In a television receiver for the reception of either a monochrome transmission or a colour transmission of the sub-carrier type (e.g. the N.T.S.C. or modified type), a filter L1, Cl tuned to the sub-carrier frequency is arranged automatically to be connected in the circuit of the video amplifier V in response to the reception of colour sub-carrier synchronizing signals, with the object of removing "dot patterning" in saturated colour areas, by means of a rectifier Z which is rendered conducting by a potential applied through resistor R1 from a point in the chroma circuits (e.g. the synchronous demodulator or "colour killer") which becomes positive when the circuits are fully operative in response to sub-carrier synchronizing signals. Typical circuit values are given.
Patent GB-140466-A (GB)
Title: Improvements in electric transformers
IPC: H01F19/02
Filed: 1920-03-19
Abstract: 140,466. Western Electric Co., (Assignees of Dubilier, W.). March 7, 1919, [Convention date]. Transformers.-This core comprises sections composed of material of high and low magnetic permeability arranged in series. In the form shown, for use in telephone systems, the core comprises a ring 5 of high-permeability silicon steel having a gap in which is placed a washer 6 of low-permeability material. The washer 6 may be composed of finely-divided iron particles, individually insulated and compressed into a compact mass as shown in Fig. 2. In a modification, Fig. 3, the washer is made of insulating-material 9 with holes 10 which are filled with magnetic material of the same composition as that used for the washer shown in Fig. 2.
Patent GB-164872-A (GB)
Title: Improved coalbox
IPC: F24B15/04
Filed: 1920-03-22
Abstract: 164,872. Feakes, A. March 22, 1920. Coal - boxes. - A coal-box is c o n - structed with parallel flat sides c and a part cylindrical top having an opening therein closed by a curved door a which slides over the top in grooves b.
Patent GB-746705-A (GB)
Title: Improvements in or relating to the production of spherical grained propellent powders
Inventor: JR JOHN JOSEPH O'NEILL
IPC: A61F9/02
Filed: 1952-01-24
Abstract: 746,705. Spherical grain propellants. OLIN MATHIESON CHEMICAL CORPORATION. Jan. 24, 1952. No. 8376/54. Divided out of 746,661,. Class 9(2) Globular grains of propellent powder having a controlled grain size are made by extruding smokeless propellent base lacquer, e.g. nitrocellulose in a solvent such as ethyl acetate, through an orifice severing successive uniformly sized sections from the extruded lacquer, suspending the sections in a medium. which is a non-solvent for the lacquer or its components until they approach spherical shape, and then hardening the shaped sections while.- suspension is maintained. The orifice may be located within the non-solvent medium, e.g. water, and the sections, which may be cylinders whose length is the same as their diameter may be severed at the orifice. In the example, 3:1 ethyl acetate/nitrocellulose lacquer containing diphenylamine is extruded through an 0.056 inches dia. orifice, and sliced in a moderately agitated water bath, at 68-70‹C.. containing animal glue and saturated with ethyl acetate. After rounding, the bath is heated to 99‹C., until solvent is eliminated to harden the grains, which are 0.035-0.045 inches dia.