baber/WOPTO huggingface dataset:
Patent GB-724848-A (GB)
Title: An improved self-energising internal shoe-drum brake more particularly for motor vehicles
IPC: F16D51/52
Filed: 1953-04-24
Abstract: 724,848. Internal shoe-drum brakes. PORSCHE, F. April 24, 1953 [June 21, 1952], No. 11329/53. ' Class 103 (1). A self-energizing internal shoe drum brake which is provided with freely suspended shoes supported on a two-arm intermediate member, the two arms of the said intermediate member forming an obtuse angle with each other, is characterized in that the intermediate member is provided with a third arm by means of which it is so articulated to the brake carrier plate that nearly half of. the supporting force transmitted from the primary shoe to the intermediate member is transmitted to the secondary shoe. The figure illustrates the invention applied to a motor vehicle in which a primary shoe I and a secondary shoe 2 are applied by means of an hydraulic brake cylinder 6, the lower ends of the brake shoes being supported by a two-arm intermediate member 7, the arms 8 and 9 of which form together an obtuse angle (150- 155 degrees) corresponding to direction of the forces exerted by the brake shoes; arm 9 being substantially parallel to the axis of the brake cylinder. The intermediate member 7 is provided with a third arm 10 which is pivotally mounted on the brake carrier plate 5 on a bolt 11. The force P1 introduced into the primary shoe 1 by the brake cylinder 6 presses the shoe against the revolving brake drum 12. This action presses the shoe 1 on the intermediate member 7 with a force P1<SP>1</SP>; which force is approximately three times the introduced force P1. In order to introduce the same braking effect to prevent unequal braking forces from being effected on both shoes, substantially the same force has to be introduced in the secondary shoe 2 as in the primary shoe 1. Hence P1<SP>1</SP> is split into two components P2 and Pa in which P2 is 30 per cent to 50 per cent of force P1<SP>1</SP>. The value and direction of the other component force Pa, which governs the point of articulations of the intermediate member to the brake carrier plate, follows from the parallelogram of forces.
Patent GB-830875-A (GB)
Title: Anti-foaming agents for non-ionic surface-active compounds or their solutions
IPC: C11D1/66
Filed: 1958-04-10
Abstract: A composition having reduced foaming properties comprises (a) a non-ionic surface-active compound, for example a condensate of an alkylamine, an alkylphenol, a fatty alcohol, or a fatty acid with ethylene oxide, and (b) a polyhydric alcohol containing at least 18 carbon atoms and having a terminal hydroxyl group and one or two more hydroxyl groups attached to those carbon atoms 8-13 carbon atoms away from that to which the terminal hydroxyl group is attached, for example 1 : 12 dihydroxy - octadecane, 1 : 9 : 10 - trihydroxyoctadecane, and 1 : 12 - dihydroxyoctadec - 9 - ene.  The composition is suitably made by dissolving (b) in methanol, ethanol, isopropanol, glycol, or ethyl- or diethyl-glycol ether to a concentration of 5-50% before addition to such a quantity of (a) that the final weight ratio of (b) to (a) is 0.05-0.5.  Phosphoric acid, sodium sulphate, bisulphate and bicarbonate, sodium or potassium carbonate, alkali metal phosphates or polyphosphates, and waterglass may be incorporated.ALSO:A composition having reduced foaming properties and suitable for use in alkaline metaldegreasing agents, acid metal-treatment agents, bottle cleaning agents, textile treatment agents, and in electrolytic baths comprises: (a) a nonionic surface-active compound, such as an ethylene oxide condensate with an alkylamine, an alkylphenol, a fatty alcohol or a fatty acid, and (b) a polyhydric alcohol of at least 18 carbon atoms having a terminal hydroxyl group and one or two more hydroxyl groups attached to carbon atoms 8-13 carbon atoms away from that to which the terminal hydroxyl group is attached, for example, 1 : 12-di-hydroxyoctadecane, 1 : 9 : 10-trihydroxyoctadecane, and 1 : 12 - dihydroxyoctadec - 9 - ene. The composition is suitably made by dissolving (b) in methanol, ethanol, isopropanol, glycol, or ethyl- or di-ethyl glycol ether to a concentration of 5-50% before addition to such a quantity of (a) that the final weight ratio of (b) to (a) is 0.05-0.5.
Patent GB-527778-A (GB)
Title: Improvements in or relating to thermo-couple temperature indicating devices
IPC: G01K13/04
Filed: 1939-04-14
Abstract: 527,778. Measuring temperatures. NEGRETTI, H. N., NEGRETTI, P. E., and LAMBERT, L. B. April 14, 1939, No. 11384. [Class 53] A thermo-couple temperature indicating device for measuring the surface temperature of cylinders or other curved bodies comprises a thermocouple including two wires 6, 7 of different thermal characteristics connected together by an element 14 (for example a disc of copper) of relatively high thermal con ductivity, and a holder having upstanding supports 9 across which the thermo-couple wires are bridged to enable the wires to conform to different curvatures. The supports 9 are resilient or spring-pressed. Rollers 15 prevent damage to the surface under test. Terminals 4 connect the wires 6, 7 to an indicating device. A handle 1 is pivotally connected to the holder.
Patent GB-542417-A (GB)
Title: Improvements in or relating to lighting and sterilizing apparatus
IPC: F21S8/06
Filed: 1940-07-08
Abstract: 542,417. Supporting lamps. SHEPHERD, G. R. (Westinghouse Electric International Co.). July 8, 1940, No. 11396. [Classes 75 (iii) and 75 (iv)] [Also in Group VI] A lighting apparatus, particularly for use in hospital operating rooms, is provided with a reflector which carries a source of ultra violet radiations of sufficient intensity to reduce the possibility of infection occurring during an operation. The lamp unit is pivoted in the bifurcated arm 10 on one end of the shaft 9 which has a counterweight 12 at the other end. The shaft is rotatably supported in a cylindrical block 8 which is pivoted in a forked arm 7 at the end of an off-set support 5 rotatably secured to a ceiling flange. This arrangement permits almost universal movement for the lamp unit. The lamp 18 is supported at the axis of a framework 14 which carries a number of inclined trapezoidal mirrors 15. An annular Fresnel lens 19 surrounds the lamp 18, and a heat-intercepting cylinder 24 is arranged between the lamp and the lens to cut down the infra-red rays. Heated air is therefore constantly rising through the lamp unit and this movement is assisted by the open dome. The lower part 29 of the frame 14 is turned inwards, and a parabolic reflector 30 is arranged above it to form a channel containing ultra-violet radiation lamps 25, 26. The arrangement is such that the ultra-violet rays occupy the same conical space as the luminous rays from the lamp 18. The ultra-violet ray lamps are supplied from the lighting circuit through a transformer with variable tappings or with a variable rheostat.
Patent GB-474348-A (GB)
Title: Improvements in picture and like frames
IPC: A47G1/14
Filed: 1937-04-21
Abstract: 474,348. Stands for picture frames &c. MAYER, R. April 21, 1937, No. 11397. Convention date, June 29, 1936. [Class 52 (v)] [Also in Group XV] In a picture or like frame adapted to be supported in an upright position by a member having springs adapted to be introduced between the frame and the picture or other object to be framed, the springs b are disposed on a foot member c in an upright position, and the base of the frame has a recess for the introduction of the framed objects and the springs. The frame is made from channel-section members of metal, wood or synthetic material, and at its base the rear flange is omitted and the central web is half cut away to permit the introduction of sheets of plain and ground glass d<1>, d<2> and the picture e, and the sliding of the curved springs b between the glass d<2> and the rear flanges of the side members of the frame. The object framed may be of pasteboard, glass and pasteboard, wood, or other material, and may be a picture, price ticket, display car, or the like for a shop window.
Patent GB-681458-A (GB)
Title: Protective apparatus for steam generators
IPC: F22B37/42
Filed: 1950-05-08
Abstract: 681,458. Thermal switches. COMBUSTION ENGINEERING-SUPERHEATER, Inc. May 8, 1950 [June 23, 1949], No. 11417/50. Class 38 (v) [Also in Groups XII, XIII and XXIX] A switch 64 in the circuit of an electric motor 66 driving the fuel supply pump 68 of a water tube steam generator (see Group XII) is opened when the water tubes become over-heated. Tubes 40, containing volatile liquid, are in good thermal contact with the water-tubes at-their closed tower ends. On over-heating of the water-tubes, the liquid expands, breaking sealing members 43 at the top of the tubes 40, thus increasing the pressure in header 42, and opening switch 64 by means of bellows 60 and rod 62. The switch may also control a valve in the fuel supply line.
Patent GB-1241765-A (GB)
Title: Combination play hut or shelter and slide
Inventor: MCNAIR GRAHAM ROBERT
IPC: E04H1/12
Filed: 1969-03-04
Abstract: 1,241,765. P l a y h o u S e. SMP (LANDSCAPES) Ltd. 18 Feb., 1970 [4 March, 1969], No. 11440/69. Heading E1A. The pitch roof of a children's wooden play house is provided on one side with a slide 4 and on the other side with rungs 7 leading to the top of the slide.
Patent GB-696606-A (GB)
Title: Improvements relating to gramophone apparatus
IPC: G11B17/16
Filed: 1951-05-16
Abstract: 696,606. Magazine gramophones. COLLARO, LTD., COLLARO, C., and HUMBY, E. T. May 9, 1952 [May 16, 1951]. No. 11462/51. Class 40 (ii). A record release mechanism for a magazine gramophone having a stepped centre-post, includes a lever which is slidable axially within the spindle and is capable of pivoted movements about an axis intermediate of its ends to unseat the lowermost record from the step on the centre-post and to lower the remainder of the stack gently on to the said step. During a record-changing operation, a horizontal plate 23 is moved to the left as viewed in Fig. 1, against the tension of a spring 31 until a slotted ramp 24 on the plate 23 comes into contact with rollers 36 on the lower end of a lever 20 inside a slotted stepped centre-post 10. The lever 20 is thereby lifted endwise from the position shown in Fig. 4 to the position shown in Fig. 5. Further movement of the plate 23 causes the lever 20, when it reaches the end of the slot in the ramp 34, to be moved clockwise about bearing surfaces 22 and unseat the lowermost record 40 from the step 15 on the centrepost 10, while the remainder of the records are supported on the end of lever 20. As the plate 23 is returned to its original position the remaining records are gently lowered on to the step 15, after which the lever 20 is free to move counterclockwise about the surfaces 22 to its original position under the influence of a spring 37.
Patent GB-250035-A (GB)
Title: Improvements in brake mechanism
IPC: B61H13/02
Filed: 1925-06-15
Abstract: 250,035. Simpson, J. F., and Brown, A. W. June 15, 1925. Force-transmitting mechanism. - Relates to double cam devices interposed in the transmitting mechanism of vehicle brakes for rapidly taking up the slack in a chain &c. connected to the brake and also enabling a chain &c. connected to the control mechanism to work at an increasing leverage as the brake is applied. The outer edges of one or both cams 1, 2 have a part or parts 8 lying in a plane or planes at right angles to the shaft 3 about which they turn, and another part 9 lying in a plane at an angle to that plane or planes and at a varying distance from the shaft. The outer edges of the cams may be grooved to receive chains, ropes &c. As the brake is applied, the chain &c. leading to the control mechanism unwinds on to the larger portion of the cam 1 while the chain connected to the brake winds up on the smaller portion of the cam 2.
Patent GB-793994-A (GB)
Title: Electric contact spring set assembly applicable to relays
IPC: H01H50/56
Filed: 1956-04-16
Abstract: 793,994. Electromagnetic relays; pressbutton retractive switches. KUHNKE, H. April 16, 1956, No. 11502/56. Class 38 (5). A contact spring arrangement comprises, Fig. 2, an insulating base 1 having an inner circle of six contact-mounting pins 8 and an outer circle of twelve contact-mounting pins 31, wire contacts 7 carried by the pins 8 operating change-over fashion between pairs of upper and lower wire contacts 19, 25 carried by the pins 31. The wires 7 are biased to normally engage the upper wires 19 and movable conjointly by an armature-operated or manually-operated plunger 38, the actual contact being made between silver sleeves 7<SP>1</SP>, 19<SP>1</SP>, 251. The pins 8, 31. serve to mount the arrangement by plug-in engagement in a socket. In a modification, the contacts comprise blade springs. In a further modified spring arrangement applied to a miniature relay, Fig. 3, the moving wire contact springs 7 are hair-pin shaped and biased to normally engage the lower wire springs 25 of the fixed contact pairs and are lifted to engage the upper springs 19 by an insulating actuator 38 fixed to the spring- biased magnetic plunger 39 of a solenoid 40. The solenoid has a core 44 and is surrounded by a magnetic can 42, the assembly being mounted on the insulating base 1 by a rod 41 and the contacts being surrounded by a transparent sleeve 46. The relay may be alternatively mounted by a threaded spigot 51.
Patent GB-218428-A (GB)
Title: Improvements in loud-speaking arrangements for telephone receivers
IPC: H04R13/02
Filed: 1923-06-04
Abstract: 218,428. Pearce, H. W., and Pollard, J. F. June 4, 1923. Magnetic instruments; loud-speakers. -The reed E or diaphragm of a telephone receiver A is connected to the diaphragm F of a gramophone sound box by means of two arms pivoted together. The pivot is not connected to any part of the apparatus. One of the arms D is formed of two parts screwing together, so that the tension on the diaphragm F may be adjusted. The telephone receiver A is fitted into a receptacle B attached to the gramophone sound box.
Patent GB-591516-A (GB)
Title: Improvements relating to the control of the tension in lengths of material passing between coiling and uncoiling mechanisms
IPC: B21C47/00
Filed: 1945-05-10
Abstract: 591,516. Automatic control systems. ROBERTSON & CO., Ltd. W. H. A., and LOVE, A. May 10, 1945, No. 11755. Addition to 555,676: [Class 38 (iv)] Tension.-In a system for maintaining a constant tension in a web filament passing reversibly through processing rolls between coiling and uncoiling means, the latter are mechanically connected to dynamo electric machines 9, 10, acting respectively as a motor and as a braking generator by virtue of connections to further machines 5, 6 (or to a single machine) driven by the motor 4, which drives the processing rolls. The field currents of the machines 9, 10 are adjusted in accordance with the sag of the web by pilot motors controlled as described in the parent Specification.
Patent GB-559554-A (GB)
Title: Improvements in gearing for counter-rotating propellers
IPC: B64D35/04
Filed: 1942-08-20
Abstract: 559,554. Propelling aircraft. BENNY, H. B. Aug. 20, 1942, No. 11759. [Class 4] [Also in Group XXIV] Consists in a modification of the gearing described in Specification 541,820 for driving counter-rotating propellers. One or more crankshafts may be used and, instead of the crankshaft being coaxial with two gears as in the earlier Specification, the or each crankshaft 1, la, is connected to a gear 5 corresponding to the similarly numbered gear in Specification 541,820. This gear meshes with an internal gear 9 supported by a spider or the like 10 secured to a hollow shaft 11 carrying the inner propeller and journalled in bearings 13, 13a. The gears 5 also mesh with a gear 3 coupled by hollow shaft 2 to a gear 4, the gears 3, 4, corresponding to the coaxial gears of the prior Specification. The gear 4 meshes with planets 17 on a carrier 15a secured to the end of a shaft 15 carrying the outer propeller. The planets rotate on shafts connecting the carrier 15a with a member 18 rotating in a bearing 19 in an extension 8 of the casing 7. The shaft 2 is supported by bearings 21 from the planet carrier and casing 7. The planets also mesh with a fixed internal gear 20. The two crankshafts may be coupled in any phase relationship, and the inner end of the shaft of the outer propeller is accessible whereby an hydraulic connection may be made thereto through which oil can be fed to a pitch-changing device.
Patent GB-473634-A (GB)
Title: Improvements appertaining to cores for producing hollow articles of concrete
IPC: B28B7/32
Filed: 1936-04-25
Abstract: Inflatable cores for use in moulding hollow concrete articles are covered with paper.  When the concrete has set, the end of the paper covering is torn away, and the core is deflated and removed. The paper covering may be applied by winding or wrapping, and may be secured by tucking-in the ends, by string, gummed strip, or paste. When the core is covered with a spirally-wound strip, the ends of the strip may be enclosed by caps.
Patent GB-118056-A (GB)
IPC: F24H3/08
Abstract: 118,056. Brown, A. Feb. 2, 1918. Air-heating stoves.-A direct-fired tubular air heater is constructed with a fireplace a at the base and vertical tubes e through which air is forced or drawn by a fan f while the products of combustion pass around them to the chimney k, baffles being fitted among the tubes as shown. After or before passing through the tubes the air is heated by contact with the walls of the fireplace on its way to or from apertures at the sides of the casing near the floor level.
Patent GB-543328-A (GB)
Title: Improvements in and relating to electric measuring or detecting apparatus for indicating and recording movements
IPC: G01B3/00
Filed: 1940-07-18
Abstract: 543,328. Correspondence control. DAVIS, N. R., WETHERILT, J. N., and SUN-VIC CONTROLS, Ltd. July 18, 1940, No. 11861. [Class 40 (i)] Apparatus for measuring movements of the order of 10<SP>-5</SP> of an inch, which may be caused by variations of pressure or temperature, comprises a filament 6 kept in tension by a diaphragm 3 and controlling a contact member 11 which co-operates with a contact member 12 which is controlled in accordance with the quantity to be measured. The arrangement is such that current passing through the filament is cut off or reduced when the contact members are in engagement so that these members are automatically kept in proximity, i.e. in contact with a pre-determined degree of pressure or with a pressure periodically varying about a predetermined point, periodically in and out of contact or at a pre-determined distance to give a definite arc resistance. Instead of contact members, variable inductive or capacitive coupling members may be used. When the contact 12 is moved, the current in the filament is varied until the contact 11 takes up a corresponding new position and this current controls an indicating or recording device or a relay for controlling a servomotor as described in Specification 538,761. Alternatively, the lengthening of the filament may tend to separate the contacts. The casing of the instrument is given a suitable co-efficient of expansion to compensate for changes in the ambient temperature. As shown, the filament is in the anode circuit of a hot-cathode gasfilled discharge tube 31 fed from A.C. mains and arranged so that it cannot strike when contacts 11, 12 are in enagement. The average anode current is measured by a vacuo-junction 37 which controls a measuring or recording instrument or relay. A hard tube may be used instead of a gas-filled one. In a modification, the tube is omitted, the contacts 11, 12 shortcircuiting the filament. In a further modification in which the tube is dispensed with, the contacts are shunted by a portion of non-linear resistance material the resistance of which falls with increase of applied voltage.
Patent GB-1031375-A (GB)
Title: Improvements relating to flyers for spinning and twisting machines
Inventor: MACKIE JOHN PRINGLE
IPC: D01H7/26
Filed: 1962-03-28
Abstract: In a combined wharve and flyer of the "tubular" type, a path is provided for the yarn from the top of the wharve to a guide eye 5, Fig. 1, not shown, at the foot of the flyer, which path p  comprises a portion 7 down the centre of the wharve leading to a second portion 8, which may be in the form of a tube, divorced from the interior of the top of the flyer, and a subsequent portion 16 lying within the tubular surface defined by the flyer-wall.  The portion 16 is brought about by apertures 15, 17 in the wall of the flyer.  Preferably there is only one path for the yarn.  The flyer is tubular in the sense that the body of the flyer constitutes at least part of the tubular surface and window(s) is or are provided for access to the interior. There may be two legs joined or not by a ring and one leg may be reduced in length or omitted.
Patent GB-104635-A (GB)
Title: Improvements in or relating to Driving Chains.
Inventor: BUCHER JOHANN JOSEPH
IPC: F16G13/06
Filed: 1916-08-24
Abstract: 104,635. Bucher, J. J. Aug. 24, 1916. Driving-chains with separate joint pins.-Driving-chains, adapted to engage a chain-wheel a<1> and also to run upon lateral surfaces a<2> of the wheel acting as a pulley, are composed of links comprising closed resilient bands b connected together by pins c. Recesses c<1> in the pins accommodate the links. The links may be formed as sections of a tube, or by welding together the ends of a band, or by coiling a band, Fig. 5, to the ends of which are welded metal strips b<2>, which are folded around the coil b<1> and abut together, preventing the link from uncoiling.
Patent GB-766454-A (GB)
Title: Improvements in or relating to the coating of steel with aluminium base alloys and articles produced thereby
IPC: C23C2/12
Filed: 1954-04-24
Abstract: 766,454. Coating with metals; heat treating steel. KAISER ALUMINUM & CHEMICAL CORPORATION. April 24, 1954 [April 30, 1953], No. 12032/54. Classes 72 and 82(2) A hot dip process for coating steel with aluminium base alloys incorporates simultaneous heat treatment of the steel. The steel is cleaned, heated in a non- oxidizing atmosphere at a temperature of at least 1400‹F. and for a time sufficient to obtain the steel in the austenitic phase, then passed directly from the non-oxidizing atmosphere into a molten coating bath of the alloy maintained at a temperature of not more than 1200‹F., held at a temperature and time to effect an isothermal transformation to a relatively fine pearlite structure, the coated steel then being withdrawn from the coating bath. A ferrite or cementite phase may also be present in the steel, but no martensite. The disclosure is particularly concerned with aluminium coated steel wires for use in steel reinforced aluminium cables. The wire 1 is fed through an oxidizing furnace 4 a pickling solution 6 (110‹-150‹F. in 50 per cent HC1 solution) squeegee rolls 9, cold and hot water rinses 10, 12, spray and brush units 17, dryer 21 and preheating furnace 23 with a non-oxidizing atmosphere. The preheating is to at least 1400‹F. for eutectoid steel and higher for other steels. In most cases 1500‹F. is desirable. The wire passes into the coating bath 29 still in a non-oxidizing atmosphere. The coating alloy should melt at 1150‹F. or lower. Suitable alloys are disclosed containing one or more of silicon, boron, titanium and beryllium. The coated wire is withdrawn upwards and coiled; if desired it may be sheared at 37. Drawing dies 38 may be provided for work hardening the wire. A stress relief at 400‹F.-600‹F. for 3-5 hours improves ductibility and elongation. Specific examples of the process are given together with mechanical test results. Specification 667,164 is referred to.