baber/WOPTO huggingface dataset:
Patent GB-584125-A (GB)
Title: Improvements relating to automatic steering gear for dirigible craft having rudders
IPC: G05D1/02
Filed: 1940-02-19
Abstract: 584,125. Automatic control of ships &c. GENERAL ELECTRIC CO., Ltd., and CHANCE, B. Feb. 19, 1940, No. 1893/39: [Class 38 (iv)] Steering.-Automatic steering gear for applying initial rudder is rendered responsive only to oscillations of the craft at the fundamental frequency of yaw. Electrical or mechanical means are employed to filter out the effect of oscillations (secondary or weather yaw) of other frequencies. A potentiometer contact, Fig. 3 (not shown), operated by a gyro-repeater may apply a potential varying according to the complex yaw to a condenser-inductance network which permits currents of the low frequency of the fundamental yaw to pass to a differential control circuit comprising triodes and a double-acting relay adapted to apply operating current to a reversible steering motor at a certain amplitude of yaw, this motor being coupled through a differential gear with a known follow-up rudder control such as that described in Specification 528,562. Fig. 4 shows a device in which a double-acting relay 9 responsive to photo-electric cells in accordance with the craft's motion applies charging current selectively to two condensers 10, 11. Charging and discharging pentodes 13, 15 are arranged for constant current so that the potential on each condenser respectively reaches a maximum at the peak of each yaw in opposite directions irrespective of secondary yaw. Each condenser controls a triode 17 or 18 so that at a certain voltage a current is sent through a resistance 17a or 18a in a bridge circuit containing other resistances 19a, 19b and a gas triode 20 or 23 is ignited. Condensers 21, 24 are kept charged by pentodes 22, 25 until this occurs, whereupon a discharge occurs through a resistance 27 or 28 causing selective operation of a doubleacting relay 29, 30 and the actuation of a reversible motor M to apply initial rudder, substantially at the true peak of the yaw, through the differential gear. Specifications 233,671, [Class 38 (iv)], 461,545, and 584,127 are referred to.
Patent GB-371372-A (GB)
Title: Improvements in electric rare gas discharge lamps
IPC: F16B21/16
Filed: 1931-01-20
Abstract: 371,372. Discharge lamps. BEAUFORT, J. M. E. DE, 4, Rue Auber, Paris, and LEDERER, A., Hermesvilla, Vienna. Jan. 20, 1931, No. 1919. Convention date, Feb. 22, 1930. [Class 39 (i),] A lamp of the kind claimed in Specification 364,088 con tains mercury vapour to gether with the rare gas and the pressure and other con. stants are so chosen that the resulting illumination con sists of a core of red light surrounded by an envelope of blue light which produces a white light effect. The rare gas filling may consist of neon and helium with or without argon. The Figure shows a lamp containing two electrodes comprising nickel tubes b coated with an electron-emitting substance. A tungsten filament passes through each tube. The gas filling may comprise from 55 per cent to 99 per cent neon and from 45 per cent to 1 per cent helium and the mercury is introduced in the form of a compound d which is decomposed when the lamp is started. Ultraviolet radiation is also produced and may be emitted by making the bulb a of suitable material. Specifications 5589/11, [Class 39 (i), Electric lamps, Arc &c.], and 367,351 are also referred to.
Patent GB-698432-A (GB)
Title: Improvements in or relating to mechanical writing instruments
Inventor: SAMS HERBERT WILLIAM
IPC: B43K21/12
Filed: 1951-01-25
Abstract: 698,432. Pencil holders; pens. SCRIPTO, Inc. Jan. 25, 1951.. No. 1970/51. Class 146 (iii). A writing instrument comprises a barrel, a feed mechanism for feeding a marking element to the writing end of the barrel, the feed mechanism including a rotatable, longitudinally slotted guide tube, and a friction member having a key portion engaging the longitudinal slot in the guide tube and arcuate arm portions extending from said key portion for frictional engagement with the interior of said barrel for restraining rotation of said guide tube. The marking element 12, for example, a pencil lead or ball-point pen, is carried in sleeve 18 slidable longitudinally of a guide tube 16, the lower end of the sleeve 18 having a slot 35 to cause resilient gripping of the marking element. A wider slot 36 extending into an inclined continuation 37 is disposed above the slot 35, a flange 38 being formed along the lower edge of the continuation which extends into a slot 39 which permits the insertion of a propelling member 19. The member 19 has a portion 32 having thread segments 33 projecting through the slot in the guide tube 16 into engagement with a screw thread 25 in the barrel. A friction member 44 having a grooved portion 46 engaging the slot in the guide tube, comprises arcuate arm portions 47 frictionally engaging a base 45 in the barrel and terminating in flat portions 48 which engage the tube 16, such that rotation of the tube 16 is frictionally restrained. The tube 16 is rotatable by a cap 14 having a lug 26 engaging the slot in the tube 16, the cap being secured against axial displacement by a sleeve 13 screwed to the barrel. Rotation of the cap 14 causes longitudinal movement of the sleeve 18 in the tube 16 by reason of a lug 40 on the member 19 engaging the flange 38 until the sleeve 18 abuts a shoulder 21 in the barrel. Further rotation causes the flange 38 to be rotated by the lug 40 into a notch 43 in the tube 16, thus permitting the member 19 to eject the element 12 from the sleeve 18, the lug 40 sliding axially down the slot 36.
Patent GB-835646-A (GB)
Title: Improvements in and relating to massaging apparatus
IPC: A61N2/06
Filed: 1958-01-21
Abstract: 835,646. Electro-medical appliances. HEMMELER, L. Jan. 21, 1958 [Jan. 29, 1957], No. 1993/58. Class 81 (2). A device for producing electric charges in the skin comprises a quadripolar, cylindrical, bored permanent magnet 7 and a metal loop 9 which passes freely through the bore of the magnet. As the magnet is rolled over the skin, relative movement between the loop and the magnet induces electric currents in the loop.
Patent GB-700992-A (GB)
Title: Method and apparatus for ascertaining the amplitude of signal frequency bands on disk records
Inventor: AXON PETER ERIC
IPC: G11B25/06
Filed: 1951-01-26
Abstract: 700,992. Gramophones. BRITISH BROADCASTING CORPORATION. Dec. 12, 1951 [Jan. 26, 1951], No. 2102/51. Classes 40 (1) and 40 (2). An apparatus for measuring the width of signal frequency light bands, known as Buchmann-Meyer optical effect, on lateral-cut disc records, comprises an optical viewing system adapted to form by reflection two images of the band, whereby the images may be relatively displaced to attain a predetermined positional relationship and using the degree of displacement to provide indication of the width of the band. In one embodiment, reflection images are observed by a telescope 1, Fig. 1, in a stationary prism 3 and in a rotatable prism 5. While the prism 3 and 5 are coincident, the images appear one immediately above the other, but when the lower prism 5 is rotated about a vertical axis the lower image moves horizontally, the movement of the image being a function of the angle through which the prism 5 is rotated. To measure the band width, the prism 5 is rotated until one edge of one image coincides with the opposite edge of the other image, and the angular displacement of the prism 5 noted by means which may be calibrated to read in band width dimensions. It is found that band images are more clearly defined while the record disc is rotating, and although this may produce oscillation of the images in the prisms, owing to irregularity in the position or surface of the record, measurement of the width of the bands is not impeded, because both images move together. The apparatus may contain a slow-motion gearing between the support 8 for the prism 5, and the operating lever 13, whereby greater precision is obtained. In a simpler form of apparatus, only two prisms 17, 18 are employed, as shown in the plan view of Fig. 2, the upper 17 being fixed and the lower prism 18 being moveable. The slow-motion drive may be connected to a variable resistance, inductance or capacitance so that the rotation of the prism 5 causes a change in the current conditions of an electrical indicating circuit.
Patent GB-979885-A (GB)
Title: Single wall metal containers for beer or the like
IPC: B65D/
Filed: 1963-01-18
Abstract: 979,885. Metal casks. FIRESTONE TIRE & RUBBER CO. Jan. 18, 1963 [March 13, 1962], No. 2237/63. Heading B8D. A single-walled metal container 10 comprises end shells 12 each having a central spherical embossment 24, a centre band 14 welded at 50 to the end shells and chime skirts 16 at each end welded to the end shells at a point axially outwards from the welded juncture 50 of the respective end shell and the centre band. Annular flat configurated surfaces 30 strengthened by corrugations 34, 36 form rolling rings and the upper spherical embossment has an aperture fitted with a " Barnes " adaptor 28. Oblong drain holes 46 and hand holes 44 are provided in the chime skirt. In an alternative embodiment a bung opening surrounded by a patch plate is provided in the centre band and the adaptor 28 may be dispensed with. The lower end shell may have an apertured star-shaped embossment incorporating an adaptor having a sleeve forming a pouring spout attached thereto. Specifications 920,396 and 975,292 are referred to.
Patent GB-1449768-A (GB)
Title: Liquid herbicidal compositions and process for the destruction  of troublesome and harmful weeds
IPC: A01N43/70
Filed: 1974-01-18
Abstract: 1449768 Synergistic herbicide compositions CIBA-GEIGY AG 18 Jan 1974 [19 Jan 1973] 2399/74 Heading A5E A liquid herbicidal composition comprises (A) at least one compound of the formula: (I) X-O-CH2-CH2-O-R wherein X is an alkyl or alkoxyethyl radical, and R is a hydrogen atom or an alkyl or alkoxyethyl radical, the said alkyl radicals and alkoxy moieties of the alkoxyethyl radicals containing one to four carbon atoms, said compound of formula I being present in the composition as an active herbicidal ingredient, and (B) an additional organic herbicidal agent, differing from (A); component (A) being present in an amount of 30 to 99% by weight, based on the total weight of the composition and the composition being in the form of a homogeneous solution. Component (B) may be selected from 3-amino-1, 2, 4-triazole, herbicidal derivatives of uracil, N, N-dimethyl-N'- phenylurea and its herbicidal derivatives, 2, 6- dichlorobenzonitrile, thiocarboalkoxy disulphides, dithiocarbamates, quaternary bipyridilium salts, 7-oxabicyclo-(2, 2, 1)-heptane-2, 3- dicarboxylic acid and its disodium salt, halogenated benzoic acids, their herbicidal salts and their herbicidal esters, halogenated phenoxyalganoic acids and ther herbicidal salts and esters, and herbicidal symmetrical triazines. Specified components (A) are 2-methoxyethanol. 2-ethoxyethanol and 2-butoxyethanol.
Patent GB-620647-A (GB)
Title: Improvements in or relating to brake devices for winding engines and like winches
IPC: B66D5/26
Filed: 1947-01-27
Abstract: 620,647. Winch brakes. FULLERTON, HODGART & BARCLAY, Ltd., McGREGOR, W., and PETRIE, J. Jan. 27, 1947, No. 2407. [Class 78 (v)] A winch brake includes a pressure fluid brake engine 1 having a piston 4 loaded with brake weights 5 ; a spring and cylinder de. vice having a cylinder 6 and piston 12 and opposing springs 7. A brake lever 16 which 'operates brake-shoes 18, 20; a lever 8 pivotally carried by the brake lever are connected to each piston, and controlling valves operated by a hand lever; such that initial movement of the hand lever causes the release of fluid pressure in the spring and cylinder device and the application of a fraction of the braking effort to the brake-shoes and additional movement of the hand lever effects the release of fluid pressure in the brake engine and increases the fraction of the braking effort applied, full braking effort being applied by the brake weights when the linkage reaches the final position of rest. Working cylinders 1 and 6. As shown, cylinder 1 operates slide 4, which slide is weighted by weights 5 and is linked by link 9 to lever 8 so as to operate the latter. Cylinder 6 has a piston 12 connected to crosshead 10 which is connected to lower cross plate 13 by rods 14 so that the movement of the piston works against springs 7. Crosshead 10 is pivoted to the other end of lever 8 so that the latter is operated by both cylinders, Both cylinders are operated by pressure fluid which is controlled by valve 2 operated by handle 3. Lever-and-link assembly. Lever 8 is pivoted at its centrepoint 32 to the end of brake lever 16, which itself pivots at 25 to a bracket 17 fixed'on brake-shoe 18. Lever 16 is connected by links 24, 23, 22 to the top of the brake-shoes and by links 27, 26, 22 to the bottom thereof. Brakeshoes 18 and 20 are pivoted to pivoted struts 19 and 21, and an additional pivoted strut 28 is provided for brake-shoe 20 to ensure its movement parallel to itself. Operation. In the brake-off position, slide 4 of cylinder 1 is at its top position being held by fluid pressure against the pull of weights 5, and piston 12 of cylinder 6 is also in its top position being urged by its fluid pressure against the pull of springs 7. Handle 3 is first moved to an intermediate position. This releases the fluid pressure in cylinder 6, the piston of which accordingly drops under the pull of the springs and moves lever 8 downwards and thus causes lever 16 to pivot about 25 and, through the links, partially apply the brakes to the drum 31. Handle 3 is then moved to its final position. This releases the fluid pressure in cylinder 1 and allows slide 4 to drop. The movement of the slide by a pivoting movement around 32 elevates piston 12 of cylinder 6 till its springs are compressed after which the full direct pull of the weights is transmitted as the full braking-effect to the brakes.
Patent GB-1384074-A (GB)
Title: Reinforced louvred construction
IPC: E06B7/08
Filed: 1972-01-18
Abstract: 1384074 Ventilators GREENWOOD AIRVAC VENTILATION Ltd 17 Jan 1973 [18 Jan 1972] 2449/72 Heading F4V A louvred construction comprises a frame and slats 3 at least some of which include channels 9 which conceal steel reinforcing bars 4 whose ends pass through the frame and are embedded in the brickwork or masonry surrounding the construction. The channels may be rectangular, circular or triangular in cross-section and may be closed or open. Each slat may be extruded from aluminium or a plastics material and the frame is made of aluminium alloy. Alternatively, one or the other longitudinal edge of a slat may be bent in either direction to form a channel. Two frames may be disposed on either side of a mullion and common reinforcing bars passed through the slats of both frames. Channels 5, 6, on each slat 3 receive mounting rods. A guard for birds and insects may be provided, only a portion of the guard being shown. The slats may be pivotable about the reinforcing bars. A metal sleeve may be disposed around each bar 4 within the channel 9.
Patent GB-135704-A (GB)
Title: Improvements in Cranes, Derricks and the like.
Inventor: MCINTYRE ARTHUR
IPC: B66C23/10
Filed: 1919-01-31
Abstract: 135,704. McIntyre, A. Jan. 31, 1919. Jib cranes.-Approximately horizontal traverse of the load during luffing is secured by passing the hoisting-rope l from the winding-drum over the head-sheave f to the load-sheave l<1>, back over the head-sheave, and round a system of fixed and movable pulleys, the movable pulleys d being slidable along the jib and connected to a link j pivoted to the crane post at a point k vertically above the jib pivot. The distance mk between the pivots of the jib and the link is determined by the ratio of purchase in the pulley system. The jib is luffed by a rope either fastened to the jib-head or passing over a sheave at the jib-head to the movable pulleys. The jib is balanced by a weight, which may be carried on an extension of the link j beyond its pivot, or may be fixed on the free end of the luffing-rope after it has been wound on the luffing-drum. The hoisting-rope may be double.
Patent GB-448614-A (GB)
Title: Improvements in and relating to electrically controlled temperature indicating or regulating arrangements
IPC: G08B17/06
Filed: 1936-01-27
Abstract: 448,614. Temperature alarms. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. Jan. 27, 1936, No. 2543. Convention date, Jan. 25, 1935. [Class 47 (i)] [See also Groups XXXVII and XXXV] A temperature indicating or regulating arrangement is controlled by an electric relay responsive to the change of resistance in an electric circuit due to a change in ambient temperature, the circuit including a temperature sensitive resistance consisting of uranium dioxide the ends of which are connected to an operating winding of the relay for energizing the latter in dependence on the voltage drop of this resistance. As shown in Fig. 1, the resistance c of uranium dioxide is contained in a glass casing filled with neutral gas and is connected in series with a resistance d across supply terminals a, b. Across the resistance is connected the operating winding e of a relay which is normally sufficiently energized by the voltage drop across the resistance c to hold the contact arm f against a spring out of contact with a fixed contact i. If, however, the ambient temperature exceeds a permissible amount the rapid decrease of the value of resistance c causes the energization of the relay to fall correspondingly so that the contact drops and engages the contact i closing, for example a lamp, hooter, &c., circuit in a fire alarm system. In Fig. 2 the relay is fitted with a second opposing winding e<1> which is connected across the resistance d which in this case may have a positive temperature coefficient. Thus contact i or i<1> of a temperature regulating device is engaged by the contact arm f according to whether the temperature is above or below the desired value. In this arrangement adjustment for different responding temperatures may be made by variation of the resistance d by a sliding contact x.
Patent GB-229840-A (GB)
Title: Improvements in carburettors
IPC: F02M3/08
Filed: 1924-01-31
Abstract: 229,840. A.M.A.C., Ltd., and Guy, W. L. Jan. 31, 1924. Spray carburettors. -To avoid flat spots in a carburettor having a pilot nozzle D and one or more main nozzles F situated in choke tubes E, C communicating with a main air passage A, each choke tube is in series with the next, and a rotatable throttle valve B is provided which controls both the main air passage A and the flow of air past the choke tube C of the pilot nozzle D as the throttle is first opened. The choke tube C communicates with the choke tube E through a passage G, and the choke tube E communicates by a passage K either directly with the atmosphere or indirectly therewith through the choke tube J of a power nozzle H. Air inlets may also be provided at the bottom of the choke tubes C. E around the nozzles. The choke tubes E, J may project into the main passage A, or may each communicate therewith either through a single orifice or through a narrow slot or series of perforations E<3>, J<3> opening into annular passages A<4>, A<5> leading from the choke tubes. The butterfly throttle valve B may be replaced by a barrel valve into which the choke tube C may project.
Patent GB-451110-A (GB)
Title: An improved process for the transport of solid or solid and liquid substances mixed with vapours and/or gases
IPC: B01F15/02
Filed: 1935-01-25
Abstract: <PICT:0451110/III/1> <PICT:0451110/III/2> A means for conveying solid, or solid and liquid substances, mixed with vapours and/or gases from a container 1 at high pressure to a container 3 at low pressure comprises a piston 4 and slide valves 6, 7 working in phase relationship.  The gas in the cylinder 4 is brought to a pressure equal to that in the container 1 and the valve 6 opens so that the material passes down the incline into the cylinder 4.  The valve 6 closes and the gas in the cylinder is allowed to expand to a pressure equal to that in the container 3 when the valve 7 opens and the material passes down the incline into the container 3.  Several cylinders 4 may be arranged in series.  The valves 6, 7 may be positioned on a container below the cylinder 4 and separated from it by a perforated diaphragm.  A chamber may be placed between the container 1 and the cylinder 4 and separated from both by slide valves and a chemical reaction may be carried out in this chamber during the passage of the material through it.  Fig. 7 shows an arrangement wherein the chamber 11 is connected by the pipes 17, 18 to the containers 3, 1 respectively.  These pipes are fitted with slide valves 20, 21 to assist in producing pressure equalization between the chambers 1 and 11, and 11 and 3.  Gases in the chamber 11 may be tapped off at the outlet 19 so that solid only is deposited in the chamber 3. Inlets 22, 23 are provided so that materials may be introduced to effect a chemical reaction or cooling &c. in the chamber 1.  The p  apparatus may be used to convey materials when a low pressure exists in the container 1 and a higher pressure in the container 3.  Specification 401,429 is referred to.
Patent GB-1381888-A (GB)
Title: Pickup cartridge
IPC: H04R11/12
Filed: 1972-01-19
Abstract: 1381888 Moving magnet gramophone pickups MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 19 Jan 1972 [23 Feb 1971] 2572/72 Heading H4J A pickup (Fig. 2a) has a flat plate permanent magnet armature 7 magnetized in the same polarity (N) on both major surfaces and in the opposite polarity (S) at the central plane between the two major surfaces. The armature 7 is supported at its centre of gravity 14 and is movable together with a cantilever stylus arm 26 in all angular directions about its centre of gravity. A U-shaped yoke of high permeability magnetic material has a pair of polepieces 16, 17 adjacent and astride the armature 7. A coil 18 is wound on it. As the stylus 25 tracks a record the armature 7 moves closer to one or other of the polepieces 16, 17 (Figs. 3a to 3c, not shown), thereby inducing an E.M.F. in the coil 18. A support 11 having a portion 10 of reduced diameter is coaxial with the cantilever stylus arm 26. The portion 10 is of phosphor bronze wire or plastics material and is embraced by a butyl rubber damping sleeve (not shown). The armature 7 is made of two magnetized plates of barium ferrite or platinum cobalt bonded together. It is provided with a central hole for receiving cantilever stylus arm 26. The armature 7 may be of circular or semicircular form or of cruciform or V-shape. Only part of the armature 7 (e.g. a semicircle) may be magnetized. As shown in Fig. 2a a monaural pickup has the yoke 15 vertical. Another monaural pickup (Fig. 7b) has two yokes 15a, 15b arranged one on each side of the armature 7, their coils 18a, 18b being connected in series. Each arm of each yoke 15a, 15b may carry a coil. A first stereophonic pickup (Fig. 2b) is generally similar to the pickup of Fig. 2a but has two yokes 15L, 15R at 45 degrees to the vertical. An alternative stereophonic pickup (Figs. 8a, 8b, not shown) has two yokes below the armature 7 as well as the two yokes above it. Appropriate coils are connected in series and there may be two coils on each yoke, one on each limb, i.e. 8 coils altogether. Another stereophonic pickup (Fig. 6) has yokes 15L and 15R including polepieces 16L, 17L, 17R. The yoke-coil unit is in a shield case 19 of "permalloy" fixed on a housing 20. The vibration system is removably fitted in a holder 22. A butyl rubber damper 23 interposed between the armature 7 and the support 11 controls the vibration system which is attached from under the yokes 15R and 15L at an appropriate tracking angle. The shape of the damper 23 is such that the armature 7 is not displaced towards the polepieces 16L, 16R, 17L 17R because of the static bias force due to the stylus pressure.