baber/WOPTO huggingface dataset:
Patent GB-494427-A (GB)
Title: Improvements in and relating to aircraft sustaining rotors
IPC: B64C27/02
Filed: 1937-04-30
Abstract: 494,427. Aircraft with rotary-wing systems. CIERVA AUTOGIRO CO., Ltd., and BENNETT, J. A. J. April 30, 1937, Nos. 12398 and 30589. [Class 4] In a gyroplane in which a normally autorotative rotor is power-driven for starting and the rotor blades are pivoted to the hub for combined leading and lagging and blade-pitch varying movement, the blades are articulated to the hub about an axis inclined upwardly and outwardly with respect to the blade axis at an angle exceeding 45‹ and a floating driving- member coaxial with the hub co-operates, when driven, with connections to the rotor blades in such manner as to produce a sufficiently great moment about the inclined pivot axis to hold the blade in the minimum pitch position as, long as the rotor is being driven. As shown the rotor-head is supported on a pylon including struts 11, 12, connected by a ring 14. The rotor-axle housing 18 is mounted on pivots 17 in a gimbal ring 15 pivoted in the ring 14. Stops are provided to limit tilting about the pivots. The rotor-blades are bolted to flanges 26 of stubs 25 'pivotally mounted on a jointblock 27 pivoted in lugs 24 on a member 23 bolted to an axle 22.mounted in bearing 21 in the housing 18. The block 27 is m unted in needle-and-thrust bearings and its axis is inclined upwardly and outwardly so that an angle of about 27‹ is included with the rotor axis. The block carries the flapping pivot-pin on which the stubs are mounted through the intermeshing of needle-and-thrust bearings and which makes an acute angle with the blade-axis on its leading side. The blocks are provided with arms 36 adapted to be engaged by projections 37 formed on the floating driving-member 38 when a drive is applied. The member 38 is mounted on the member 23 and stops limit its movement relative thereto. Means are provided for bringing the rotor blades into the zero-pitch position on application of a rotorbrake and includes a planetary gear connection between the member 38 and the axle 22. The sun wheels 61, 62 of the gear are mounted, respectively, on the axle 22 and the member 38 and the planetary cage 67 is free to rotate on the member and the axle and is engaged by a contracting brake-band 69. The brake-band is connected at one end to the member 19 and at the other to a release spring and to a Bowden control. The cage 67 carries planet wheels 65. The wheel 61 is larger than the wheel 62 so that when the brake is applied, the projections 37 leave the faces of stop-blocks 40 and throw the levers 36 over against the trailing faces of the blocks thus bringing the blades into the fully lagging position and reducing their pitch to zero, whereupon the planetary gear becomes locked and the braking effect is transmitted to the axle 22. The brake may be operated by means described in Specification 452,397. Leading and lagging movements of the blades are damped by means of a friction-damper 45. Specifications 420,322, 452,364, and 474,681 also are referred to.
Patent GB-1508341-A (GB)
Title: Beta-aminocrotonic acid esters process for their preparation and their use as metamorphosis inhibitors
IPC: C07C227/08
Filed: 1975-03-25
Abstract: 1508341 #-Aminochrotonic acid esters BAYER AG 25 March 1975 [26 March 1974] 12412/75 Heading C2C New biocidal compounds, which inhibit the development of arthropods, insects and spider mites have the formula These compounds are made by (a) reacting an acetoacetic acid ester of the general formula with an amine of general formula optionally in the presence of an organic diluent, or (b) reacting an amine of general formula (III) with a tetrolic acid ester of the general formula optionally in the presence of a diluent, or (c) reacting an amine of the general formula (III) with a #-chlorocrotonic acid ester of the general formula wherein R<SP>2</SP> has the meaning given above, optionally in the presence of a diluent and an acid-binding agent.
Patent GB-149189-A (GB)
Title: Improvements in roller or ball bearings
IPC: F16C33/46
Filed: 1920-02-26
Abstract: 149,189. Marks, E. C. R., (Nordiska Kullager Aktiebolaget). Feb. 26, 1920. Ball and roller bearings.-A resiiient cage for ball or roller bearings, comprising a number of recesses separated by partitions 4, is so formed that the points of contact 5, 6. 7 of two adjacent balls or rollers with one of the partitions are relatively displaced, either radially or axially, or both. Figs. 1 and 3 show respectively the radial and axial displacement. The partitions transmit pressure resiliently between the balls or rollers.
Patent GB-1254087-A (GB)
Title: Mechanism for withdrawing from a supply roll and cutting a continous band of labels or of foil
IPC: B65C9/18
Filed: 1970-03-16
Abstract: 1,254,087. Cutting apparatus. HAENDLER & NATERMANN. 16 March, 1970 [20 March, 1969], No. 12473/70. Heading B4B.  A cutting apparatus comprises means 7, 11 for withdrawing a web 3, e.g. of labels, from a supply roll 2 and a knife 24 reciprocable in a guideway 16 towards and away from the web to effect cutting, the guideway having controlled movement such that as the knife cuts the web the guideway moves in the same direction and speed as the web. The knife 24 is connected to a lever 25 which is actuated by means of cams 14, thereby reciprocating the knife relative to the guideway 16. The guideway is provided with a slot 18 through which the web 3 passes and is mounted on a pivotable shaft 17 which is rocked by means of cams 15 engaging a roller 21 mounted on the guideway. The web withdrawing means comprises discs 12 mounted on the same shaft as the cams and arranged to co-operate with a roller 7 mounted on a lever 6 which is pivoted on a pin 8; the roller 7 is loaded by an adjustable weight 10. In a modification, a belt may be arranged to travel over the roller 7.
Patent GB-567305-A (GB)
Title: Improvements in and connected with combined combustion chamber and heating plate forgas-fired cooking apparatus
IPC: F24C15/10
Filed: 1943-08-02
Abstract: 567,305. Gas cooking-stove hot-plates. CANNON IRON FOUNDRIES, Ltd., CLAYTON, R. T., and OATLEY, A. F. Aug. 2, 1943, No. 12479. Addition to 543,677. [Class 126] The gas cooker hot-plate according to the parent Specification is modified by the interposition, between the wall 22 of the combustion chamber and the utensil-supporting plate 30, of a scrubber ring 40 which absorbs heat from the escaping gases and' radiates it on to the underside of the plate 30. The ring 40 is formed with. ridges 40d and is supported by the engagement of spaced lugs 40a with the inner surface of the upper part of the wall 22. The radial webs 32 depending from the heating plate 30 .terminate short of the ring 40 except at spaced parts 32a which engage parts 40e of the ring to provide a seating for the heating plate additional to the projections 30a engaging seatings 30b in the upper surface of the lip 25. A modification is described in which the parts 32a, 40e are omitted, the number of projections 30a being increased from three to four.
Patent GB-955021-A (GB)
Title: Process for the manufacture of castings employing gasifiable patterns
IPC: B22C1/22
Filed: 1962-04-02
Abstract: 955,021. Moulding processes. GRUNZWEIG & HARTMANN A.G. April 2, 1962 [April 7, 1961], No. 12543/62. Addition to 850,331. Heading B3F. A destructible pattern of gasifiable expanded plastic is invested with mould material in loose condition and including a heat-hardenable binder which is activated by the heat of the melt. The binder may be oils, sulphite liquors, synthetic resins, pitch &e. For casting light metal alloys in particular magnesium-containing light metal alloys, sulphur or sulphur-containing agents may be used to provide an atmosphere which prevents the formation of an oxide film. When casting iron alloys sulphurcontaining agents may be used to improve the wear-resistance properties of the surface, or a carbon-containing agent.
Patent GB-537774-A (GB)
Title: Process for the manufacture of tocols from nuclear alkylated hydroquinones
IPC: C07D311/72
Filed: 1939-04-27
Abstract: 537,774. Tocols. HOFFMANN-LA ROCHE & CO., AKT.-GES, F. April 27, 1939, No. 12621. Convention date, April 29, 1938. Addition to 526,884. Sample furnished. [Class 2 (iii)] Tocols are prepared by reacting di- or trimethylhydroquinones with phytyl halides in the presence of alkali metal alcoholates and hydroxides. The products, which are methyl derivatives of 6-hydroxy-2-methyl-2<SP>1</SP>-hexadecylchromane (tocol), show Vitamin E activity. According to the example, dl-5:7:8-trimethyl-tocol, i.e. dl-α-tocopherol, is prepared by treating trimethylhydroquinone with phytyl bromide in sodium ethoxide solution. Specifications 506,569 and 527,006 also are referred to. The sample furnished under Sect. 2 (5) consists of dl-5 : 7-dimethyltocol prepared by interaction of 1 : 4-dihydroxy-2 : 6-dimethylbenzene with phytyl bromide in a solution of sodium in methanol. Phytyl bromide and iodide are obtained by the action of hydrogen bromide and iodide respectively on phytol in glacial acetic acid.
Patent GB-137463-A (GB)
Title: Improvements in engine governors
IPC: G05D13/00
Filed: 1919-05-20
Abstract: 137,463. Southall, J. May 20, 1919. Centrifugal governors.-A rotating member A carries pivoted arms B with rollers C which run in a circular track formed by fixed and movable parts E, D respectively, the latter actuating the transmitting-rod K. The controlling-spring G is adjusted at any time by means of a wing-nut H.
Patent GB-1005790-A (GB)
Title: A new or improved key security device
IPC: A45C11/32
Filed: 1962-04-03
Abstract: 1,005,790. Key receptacles. H. H. LO. May 24, 1963 [April 3, 1962], No. 12813/62. Heading B8P. [Also in Division A4] A security device for keys and having a sliding closure incorporates a permanent magnet whereby the key-receptacle may be attached to any ferro-magnetic part. In the device illustrated, a magnet 4 is secured by a screw 5 to a soft iron member 2 and to the top of a thermoplastics receptacle 3. The receptacle 3 is slidably mounted in the closure member 6 by pins 13, 14 engaging within open-ended slots 11, 12 so that the receptacle can be opened by sliding in either of two opposite directions. The upper surface of the magnet 4 is slightly recessed below the side limbs of the member 2 to provide a concentrated magnetic field in the gap.
Patent GB-571664-A (GB)
Title: Caging means for gyroscopes
IPC: G01C19/26
Filed: 1943-08-09
Abstract: 571,664. Gyroscopic apparatus. BENDIX AVIATION CORPORATION. Aug. 9, 1943, No. 12860. Convention date, April 8, 1942. [Class 97 (iii)] In a caging and centralizing means for gyro verticals or artificial horizon gyros having a spin axis normally vertical, a gimbal forming part of the supporting means is first caged and centralized about one horizontal axis and the rotor is subsequently caged and centralized about a second horizontal axis. As shown, the rotor casing 10 of a gyro vertical is mounted on transverse bearings 12, 13 within an outer gimbal 11 mounted in longitudinal bearings 14, 15. To cage the gyro, a knob 40, Fig. 2, is pulled out to disengage a key 69 and permit a shaft 39 to rotate under the influence of a spring 72. A gear wheel 38 on the shaft drives a train of gearing terminating in a pair of arms 22, 23 which are moved in opposite directions to engage a crank-pin 66 carried by the outer gimbal 11. The contact of the pin 66 by one of the arms 22, 23 causes the gyro rotor to precess until a spindle 65, Fig. 3, on the rotor casing engages a limit stop 63 or 64 on the outer gimbal, thereby dissipating the reactive force opposing the driving spring 72 which then continues the rotation of the arms until they close upon the pin 66 and lock the outer gimbal in its central position. A trip pin 41 on a gear-wheel 33 then unlatches a toothed sector 47 connected by gearing 50, 56, Fig. 3, to a pair of arcuate rack arms 59, 60. A spring 51 drives the unlatched gearing and causes the arcuate arms to slide in opposite directions. The arms engage a spindle 67 on the rotor casing and return it to its normal vertical position. The gyro is uncaged by reversing the movement of the knob 40.
Patent GB-276079-A (GB)
Title: Improvements in or relating to slicing devices
IPC: B26D1/25
Filed: 1926-05-20
Abstract: 276,079. Sershall, S. H. May 20, 1926. Cutting slices in succession; cutting and slicing vegetables.-A slicing- device comprises gripping- means 9, 10, Fig. 2, a screwed sleeve or box 11 supported by the gripping- means, a screw 12 threaded through the box 11 and a knife 14 secured to the screw so as to be rotatable and traversable therewith. The member 9 is coiled around the ends of the box 11 which is normally loose on the screw. The member 10 is coiled around the screw 12 adjacent the ends of the box 11. The pressure applied to the arms 9, 10 to grip the article 13 therefore effects engagement between the screwed box 11 and the screw 14 so that rotation of the knife by the handle 15, effects the feed. A stop 16 prevents the withdrawal of the screw 12 from the box 11. In a modification, Fig. 5, the article rests on a base 19 which carries a looped. wire member 18 which forms a bearing for the screw 12. The screw box is carried in a loop 17<a> on the single gripping member 17 which is cranked at 17<b> and provided with gripping teeth 20<a>. Depression of the member 17 grips the article and engages the screw box with the feeding-screw. In a further modification, Fig. 7, the gripping-means consists of a pair of platelike members 21, 22 having upstanding flanges 21<b>, 22<b> to guard the hands from the knife. The members 21, 22 have hinge-portions 21<a>, 22<a>, the portion 21a being provided with a screw-box. The members 21, 22 are gripped by the hands to grip the article and to engage the screw-box the feeding-screw.
Patent GB-1413658-A (GB)
Title: Solar torque compensation for a satellite or other spacecraft
IPC: B64G1/28
Filed: 1972-03-20
Abstract: 1413658 Automatic control of attitude R C A CORPORATION 16 March 1973 [20 March 1972] 12935/72 Heading G3R In a spacecraft having solar cells 26 on a panel 14 offset from the centre of mass 11 of the craft, the torque Ts due to solar pressure on the panel is compensated by the interaction between the external magnetic field B in the craft's vicinity and the magnetic moment M of a coil 24, whose current i is controlled so that the time average of the torque T M  = M x B is equal and opposite to the solar pressure torque. As shown, the satellite body 10, stabilized by spin, or angular momentum bias wheel 13, or an active three-axis system (not shown) supports on a post-launch deployable and rotatable shaft 16, in use substantially parallel to the earth's magnetic field B, the solar panel 14 exposed to solar radiation from direction S. The satellite may be in a geo-stationary orbit, body 10 containing equipment ensuring that its antenna, infrared sensors, or telescopes are directed to a given point on the earth's surface. Alternatively the satellite may be in a lower orbit, at low inclination. The coil current is controlled from ground control 38, via link 40, in response to observed changes in satellite attitude or changes in the field B. Alternatively a closed loop system involving magnetometer measurement of field B, earth horizon, star, or gyro sensing, and reaction wheels, in control unit 34, may control the current. Both current controls may operate at once. The coil 24, of one or more turns, may be in shunt with buslines from the solar cells, Fig. 3 (not shown), the current amplitude being continuously controlled, or controlled in an "on-off" mode to give the desired mean correction torque, by unit (34). Alternatively the coil is in series with the solar panel, Fig. 4 (not shown), the time averaged magnetic moment M of the coil being controlled by varying the number of coil turns receiving the current by selectively connecting terminal (44) to one of tappings (39, 40, 42). The coil windings, of Al or Cu, are integral with, or attached to either face of the panel.
Patent GB-435210-A (GB)
Title: Improvements in or relating to sanitary pipe making machines, sanitary pipe making machine feeders and pug mills
IPC: B28B3/22
Filed: 1934-04-30
Abstract: 435,210. Extruding clay &c. FARMER, A., and FARMER, B. A., East View, Castle Gresley, near Burton-on-Trent. April 30, 1934, No. 12937. [Class 87 (ii)] A sanitary-pipe-making machine or pug mill having a revolving shaft 4 fitted with knives 8 and a worm 10 to work the clay &c., and convey it to a de-airing chamber 2, and, on the same or another shaft, knives 9 and a worm 11 to disintegrate the clay and carry it to the outlet, is provided with a partition 13 in the form of a wheel divided concentrically at 13a and having spokes 13b to form apertures through which the clay is forced into the chamber 2 thus forming an air seal. In a vertical pipe-making machine, Fig. 1, the clay is supplied from a hopper through an opening 5 and is advanced by the worm 10 through a frusto-conical housing 12 situated within the chamber 2. The partition 13 is attached to the lower end of the housing and is provided with a bush 14 having packing at one end to form a substantial bearing for the shaft 4 and an additional air seal. A second partition 7 is provided at the outlet end which may have additional knives 16. The extruded pipe is received on a counterweighted table T. The chamber 2 is evacuated by a pump through a pipe 17. In the pug mill, Fig. 4, the housing 12 is inserted between the inlet section 1 and the chamber 2, and the outlet 3 has a renewable lining 19. The pug mill may be used as a feed device for a vertical pipe machine and the chamber 2 may have a lid to which the pipe 17 is attached. British Specifications 22173/05, [Class 87], and 412,248, and U.S.A. Specification 1,478,842 are referred to.
Patent GB-243991-A (GB)
Title: Card index devices
IPC: B42F17/18
Filed: 1925-05-18
Abstract: 243,991. Rand, J. H. May 18, 1925. Cabinets; locking - followers; fastenings. - In a card-index device, cardholding trays contained in a cabinet are provided with a slidable front end 23, Fig. 1, which can be withdrawn from the main portion 16 of the tray into the position shown in Fig. 2, whereby a follower member 24 releasably attached to the front edge of the tray is withdrawn from engagement with record cards 17 in the tray. Vertical guide channels 37, Fig. 15, in the rear wall of the tray, enclose slidable members 36 which normally lie within the tray, and are provided with hooks 38 to engage flanges 39 on the front edge of the cabinet shelf when the tray is pulled out to its full extent, enabling the tray to hang vertically, as shown in Fig. 13. The main body portion 16 of the tray has inturned flanges 20 on its longitudinal sides 19 to engage lateral tongues or projections on the index cards. The slidable front portion 23 of the tray comprises a vertical end wall 25 and a horizontal base portion 26, the latter being provided with slots 27 into which tongues or guide pieces 28 on the bottom 18 of the tray project. The front portion 23 is releasably secured in its inner'position by means of a clip, comprising a spring arm 31 riveted at one end to the plate 26 and carrying a lug 30 which projects through a hole in the plate 26 and engages a corresponding aperture in the bottom of the tray.. The follower 24 is releasably attached to the front wall 25 of the slidable end portion by bending the upper edge of the wall to form a channel 33 which engages an upturned flange or flanges 34 on the edge of the follower. The card-engaging end of the follower is provided with lateral projections 35 which engage beneath the side flanges 20 of the tray to guide the follower in its sliding movement.
Patent GB-1083018-A (GB)
Title: Zinc sulphide phosphors
IPC: C09K11/70
Filed: 1966-03-24
Abstract: A zinc sulphide phosphor contains lead and phosphorus as coactivators, each of at least 0.01 mol. per cent, e.g. 0.1 mol. per cent.  The phosphor may be prepared by diffusing the activators into the heat, e.g. by heating at 1050-1200 DEG  C. in a sealed evacuated quartz vessel, the presence of each activator aiding the diffusion of the other.  The phosphor emits with maxima at 540 mm. (P) and 610 mm. (Pb).
Patent GB-894771-A (GB)
Title: Improvements in and relating to the application of plastic compositions to textile fabrics
IPC: D06N3/00
Filed: 1958-04-24
Abstract: 894,771. Vinyl chloride polymer compositions. RIEGEL TEXTILE CORPORATION. April 24, 1958 [Sept. 19, 1957(2); Sept. 24, 1957; Oct. 23, 1957; Nov. 22, 1957], No. 13018/58. Drawings to Specification. Class 2(6) [Also in Group VIII] A thixotropic composition for application to a textile fabric (see Group VIII) comprises two vinyl chloride polymers of different particle size ranges and a plasticizer therefor. In examples, one vinyl chloride polymer had a particle size range of 3-5 microns and the other, 2-8 microns, the following ingredients being also specified: di(2-ethylhexyl) adipate, phthalate and hexahydrophthalate, polyethylene glycol di (2-ethylhexoate), ethylcellulose in aliphatic hydrocarbons and methyl isobutyl carbinol, diglycidyl ether of diphenylpropane, a strontium complex salt, carbon black, white mineral oil, tap water, motor oil lubricant and a colour dispersion consisting e.g. of phthalocyanine green and titanium dioxide. The vinyl chloride polymers may in general be dispersed in plasticizers to form plastisols or mixed with organic solvents (e.g. hydrocarbons or ketones) to form organosols. Specification 894,772 is referred to.
Patent GB-312466-A (GB)
Title: Improved device for removing footwear
IPC: A47G25/80
Filed: 1929-01-21
Abstract: 312,466. Fowler, H. R. Jan. 21, 1929. Boots and shoes, appliances for taking off.-A two-part device for removing footwear comprises a flat plate 7 cut out at one end to receive the heel, a depending lug 9 at each side thereof serving as bearings for a hinged supporting strut 8 for holding the plate at an appropiate angle, the support being adapted to fold flat against the plate when not in use and being provided with a nose 15 for limiting its movement in operation and a strengthening rib 13.
Patent GB-863022-A (GB)
Title: Improvements in and relating to glass-to-metal seals
IPC: H01J9/32
Filed: 1958-04-24
Abstract: 863,022. Moulding supports for electrical components. PHILCO CORPORATION. April 24, 1958 [April 24, 1957], No. 13022/58. Class 87(2). [Also in Groups XXIII and XXXVI] The base of an enclosed transsistor or other electrical device is made by placing a metal eyelet 16 in a mould 19, placing the leads 18 in position and filling the eyelet with powdered glass 23. The glass is then compressed by a plunger 24 till it forms a coherent self-supporting body which is removed with the eyelet from the mould and placed in a furnace and heated to melt the glass. The powdered glass 23 may consist of a mixture of two glasses having different melting points, the heating process being carried out at a temperature between the melting points so that the glass body consists of particles of glass having the higher melting point bonded to each other and to the leads and eyelet by the vitrified glass having the lower melting point.
Patent GB-911183-A (GB)
Title: Roll forming system
IPC: B21D53/78
Filed: 1961-04-12
Abstract: 911,183. Making airfoil blades; angular bending; stamping. WESTINGHOUSE ELECTRIC CORPORATION. April 12, 1961 [May 23, 1960], No. 13149/61. Classes 83 (2) and 83 (4). Apparatus for forming profiled members, such as fan blades, from flat blanks comprises a number of opposing pairs of rolls 33, 34 carried by plates 20, 25, which are spring-urged towards one another such that when a blank 88 is forced downwardly between the rolls by a mandrel 120 the rolls form the blank to the shape of the mandrel. Each plate 20 is pivotally mounted on a shaft 19, Fig. 4, and has attached to it at 24 a plate 25, the upper portion of the plates being urged together by a spring 44 acting between projections 36 and 47. Adjustable clamps 89, 91 hold the blank 88 in position, and plates 82 which can be swung downwardly by handles 87, align the rolls before the forming operation. Specification 795,166 is referred to.