baber/WOPTO huggingface dataset:
Patent GB-1381476-A (GB)
Title: Aircraft
IPC: B64C9/16
Filed: 1970-11-30
Abstract: 1381476 Aircraft wing and flap assemblies HAWKER SIDDELEY AVIATION Ltd 30 Nov 1971 [30 Nov 1970] 56699/70 Heading B7G An aircraft wing and flap assembly includes a flap 5 which is supported in its rearward travel by a radius arm 12 pivotally connected at its upper end 13 to the flap structure and at its lower end to a hinge point 7 remotely positioned below the wing undersurface; and a rotary screw-shaft 8 mounted on the wing 3 and having a nut 16 thereon pivotally coupled to a bracket 14 under the nose of the flap 5A, the connection of the radius arm 13 to the flap 5 being rearward of the screw shaft nut 16 to provide clean flap breakaway on initiation of movement. The pivot point 7 is formed on a cantilever arm 6 rigidly secured to the wing 3. The flap has a main portion 5A to which the radius arm is pivoted and a tab portion 5B which is tilted with respect to the main portion 5A by a link 17 pivoted to the nut 16 and to a bracket 18 of the tab portion 5B. Cowls 19, 20 protect the flap moving mechanisms. A different arrangement of the link 17 is possible, Fig. 3A (not shown), and movement of the tab may be caused by engagement of a cam roller provided on the tab bracket in a cam slot formed in an extension of the upper part of the radius arm, Fig. 3 (not shown). The screw shaft may be arranged almost vertically instead of almost horizontally with consequent modification of the arrangement of the connection between the screw shaft nut and the flap, Fig. 4 (not shown).
Patent GB-1470783-A (GB)
Title: Headed screw fasteners and their manufacture
IPC: B21H3/06
Filed: 1974-12-05
Abstract: 1470783 Rolling screws; self-tapping screws GKN SCREWS & FASTENERS Ltd 5 Dec 1974 [8 Dec 1973] 57007/73 Headings B3M and B3N A screw 21 (Fig. 2) is formed from a blank 10 (Fig. 1) having a radially extending head 12 and a shank 11, by rolling the blank between two dies to form a thread on the shank and then to turn the periphery of the head over in a dome shape. The resulting thread is completely formed adjacent the head and enables the screw to be used for fastening together two thin sheets. The thread may be of the self-tapping kind. Each die (Fig. 4) is provided with a plate 15 or 17 on its upper surface, the plates co-operating with the head 12 of a blank to turn it over. the plates are attached to the finishing ends of the dies at a position in which the thread on the blank, at least in the area adjacent the head, is already finished during a forming step.
Patent GB-1160799-A (GB)
Title: Hair Setting and Drying Device
IPC: A45D19/16
Filed: 1967-12-15
Abstract: 1,160,799. Steam treatment of the hair. SCHICK ELECTRIC Inc. 15 Dec., 1967 [27 June, 1967], No. 57086/67. Heading A4V. [Also in Division A5] A hair treatment device comprises a base housing 23 enclosing an air unit consisting of a motor 45 with a fan 50 and a heater, a vapour generator 52, and part of a duct system, the rest of the duct system 21 and 22 projecting from the housing and being attached to a hood 20, and a main switch which activates either the air unit or the vapour generator to cause either dry air or vapour to flow into the duct system and through orifices in the hood, and a secondary switch, actuated by a change in the liquid volume in the vapour generator, to deactivate the generator and activate the air unit. The vapour generator is heated by an electric heating plate 53 and has a vapour outlet tube 56 delivering the vapour into the lower duct member 22. The fan 50 of the air unit draws air in through a grill 35 in the upper face of the housing, and then impels the air over the heater (not shown), into the duct member 22. This member is telescopically mounted on the housing in a protrusion 34, being counterbalanced therein by a spring 65, and is secured by a hinge 69 to the upper duct member 21, which in turn is hinged to the hood 20. The hood and duct members may be hinged back on one another and the lower duct member collapsed into the housing so that the hood seats upon the rim of the housing to form a compact unit for storage; see Fig. 1 (not shown). The vapour generator is filled with a liquid (e.g. water) from a transparent plastic container 37, graduated to indicate the amounts of liquid corresponding to various vapour treatment periods. The container is charged with the liquid, placed in the cavity 36 and rotated until an opening in its wall communicates with tube 59, when the liquid flows into the tank 52. A non-return valve is incorporated in the tube 59 to prevent blow-back of vapour. Alternatively the tank may be filled with liquid poured directly into the cavity 36, which then has a manually operated spring valve communicating with the tube 59. The secondary switch consists of two thermostats in the top wall of the tank 52, the one being connected in series with the tank heating plate and normally being closed, the other being connected in series with the air unit and normally open. When the liquid has all evaporated and the tank wall temperature consequently rises, the first thermostat opens to deactivate the tank heating plate and the second one closes to activate the air unit. The air unit heater may be governed by a conventional manually operated control rheostat.
Patent GB-1365979-A (GB)
Title: Electronic fuel injection devices
IPC: F02D41/18
Filed: 1971-12-08
Abstract: 1365979 Electronic fuel injection systems for I C engines; photo-electric apparatus REGIE NATIONALE DES USINES RENAULT 8 Dec 1971 [11 Dec 1970] 57113/71 Headings G1A and G1N In an I. C. engine intermittent fuel injection system, injection valve opening pulses are provided at a frequency responsive to the air input to the engine measured by a sensor 7 situated upstream or downstream of the engine butterfly valve 2 mounted in the intake pipe 1, the duration of the pulses being controlled by other engine operating conditions. As shown, the sensor is in the form of a rotary flowmeter having a screw 3 and an attached mirror 12 upon which light is impinged from a source 14 and from which light is reflected to a photo-diode 4. The diode 4 is arranged in circuit in an electronic generator, Fig. 3 (not shown), which includes a flip-flop, amplifier, and a monostable circuit whose unstable period determines the injection pulse width, which period is controlled by a voltage from a correction circuit, Fig. 5 (not shown). This circuit is responsive to acceleration and deceleration as determined by the movement of the butterfly valve 2, via a potentiometer, and atmospheric temperature and pressure. Other corrections for cold starting and high engine speeds may also be effected. The output pulses of the monostable circuit are applied to a valve actuation circuit, Fig. 4 (not shown), which provides an actuation current to the coil of an injection valve 5 which oscillates between two levels during each pulse from the monostable circuit.
Patent GB-1386456-A (GB)
Title: Conservation and conversion of poultry waste products
IPC: A23K1/10
Filed: 1972-12-12
Abstract: 1386456 Poultry or stock feeds BOEING CO 12 Dec 1972 [13 Dec 1971] 57318/72 Heading A2B Poultry or stock feed is made by mixing an aqueous base with comminuted poultry faeces, to dissolve soluble components, separating the resulting solid and liquid phases, and blending the solid phase with other feed components, which may be comminuted egg shells or feathers, or other food materials. The alkali may be 1-4% aqueous NaOH or KOH, and treatment takes place in a digester at 60-90‹F. The solid and liquid phases are separated in a separator. The solid phase is dried and sterilised, and contains 58% organic material and 42% inorganic material. The composition is given in detail in the complete specification. In the final feed product there is 10-20% of material recovered from the faeces, and 5- 10% of egg shells and feathers. The liquid phase from the separator is treated with reagents to precipitate uric acid which is then washed and dried. Plant hormones, steroids, ureido compounds, amino acids, carbohydrates, and biliverdin may also be recovered from the liquid phase. The amino acids may be added to a blender and incorporated in the feed. The liquid phase may also be used as a source of carbon, nitrogen, sulphur, nutrient chemicals, and minerals, and/or may be used in bacterial and/or hydroponic cultures to produce bacterial protein (supplemented by spent respiration gases) or green fodder e.g. duckweed, barley. The bacterial protein may be added to the blender or pelletised.
Patent GB-578510-A (GB)
IPC: H01J17/00
Abstract: 578,510. Spark-gaps. HAINE, M. E., MEEK, J. M., CRAGGS, J. D., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. July 11, 1941, Nos. 8826/41, 16432/41 and 8097/42. [Classes 39 (i) and 40 (v)] A spark-gap comprises two main electrodes 1, 3 of spherical, plane or other form of large radius of curvature relative to a slim-pointed trigger electrode 4. Normally, the voltage between the main electrodes is insufficient to cause breakdown, but when a voltage pulse is 'applied to the trigger electrode the uniform field is disturbed and a spark occurs. To ensure a rapid quenching of the spark, the gap may be enclosed in an atmosphere of hydrogen, or inert gas such as argon, at a pressure of 1-4 atmospheres, with the addition of 1-5 per cent of a gas such as oxygen which facilitates the breakdown of metastable states. Nitrogen alone is unsuitable for enclosed gaps. The same effect is obtained by maintaining a flow of air or gas in the main gap, preferably by blowing it through the auxiliary annular gap 3a between electrodes 3 and 4. Recurrence frequencies up to 5000 per second are then possible. The greatest depression of spark-over voltage is obtained when the electrode 3 -is the cathode and the pulse on electrode 4 is positive. To ensure reliable working, means may be provided to ionize the gap 3, 4, for instance by ,provision of solid insulating material 4a between the electrodes. The dielectric discontinuity sets up a corona discharge with ionizing ultra-violet or soft X-rays; the dielectric may be a tube out of contact with the electrodes. Radio-active ionizing material may also be used. To reduce wear on the point 4, the circuit of Fig. 7 may be used, which reduces the secondary spark between electrodes 3 and 4. A low damping resistance connects the electrode 3 to earth and the secondary spark occurs over an external spark-gap 4c. The gap may be used for the recurrent energization of an oscillator 2, Fig. 1, the capacitative artificial line 5 being charged through impedance L and discharged by the spark-gap when an impulse is applied to electrode 4. To avoid insulating the oscillator cathode, the circuit of Fig. 2 may be used ; the oscillator may be shunted by a charging impedance 6. If it is desired to earth the anode, as with a magnetron, a phase-reversing pulse transformer may be inserted between the charging circuit and the load. Another application is to spark photography. Dimensions and working data are given for an example. Specifications 7921/14, [Class 39 (i)], 123,064, 149,618, 267,929, [all in Class 38 (iv)], 296,067, [Class 39 (i)], 434,072, [Group XXXV], and 505,529 are referred to.
Patent GB-1415179-A (GB)
Title: Electric switches
IPC: H01H71/16
Filed: 1972-12-19
Abstract: 1415179 Thermal switches GENERAL ELECTRIC CO 19 Dec 1972 [27 Dec 1971] 58542/72 Heading H1N The free end of cantilever mounted thermally responsive element 24, 26, moves upwards on heating so that double ended contact 28 on the free end of element 24, 26 breaks contact with fixed contact 34 and on further heating forces contact 48 on arm 44 attached to leaf spring 42 upwards to snap over toggle spring 50 to separate contact 48 from contact 28. On cooling, element 24, 26 moves down to re-engage contact 34, a yoke 53 on element 24, 26 pulling arm 44 down till spring 50 snaps back to re-engage contact 48 with contact 28. Element 24, 26 is of metal and has two outer limbs 24 and a centre limb 26, all joined at the free end, and at the fixed end centre limb 26 is lower than the outer limbs 24. Contact 34 is connected to terminal 30, contact 48 to terminal 38 and contact 28 to terminal 12 so that current flows through centre limb 26 heating the centre limb 26 more than the outer limbs 24 the fixed ends of which are not electrically connected to the centre limb 26 and this together with the fixed end of centre limb 26 being lower than the fixed ends of the outer limbs 24 causes the element to pivot. The device is intended to start and protect a motor M, Fig. 11. Terminal 12 is connected through an on/off switch to line L 1 , terminal 30 to the start winding and terminal 38 to the run winding. Initially all contacts are closed as shown in Fig. 2. If the on/off switch is closed, current flows through both windings until element 24, 26 pivots, breaking contact between contacts 28, 34, leaving the run winding still connected to L 1  through contacts 28, 48. If an overload occurs, element 24, 26 heats up more and pivots more to snap contact 48 upwards cutting out the run winding until element 24, 26 cools down, reclosing contacts 34, 28 and 48. Contact 34 is adjustable. Toggle spring 50 is mounted on arm 52, which may be of bimetal for ambient temperature compensation. In a second embodiment, Fig. 6, the thermal element is heated by a ribbon 64, start contact 84 is on a flexible arm adjustable by screw 107, arm 90 on which toggle spring 95 is mounted is adjustable by screw 105 and an adjusting screw 110 is in the end of yoke 108 to provide an adjustable stop for contact 88, also the circuit connections to the motor are different, L 1  being connected to contact 88, the start winding to contact 84 and the run to contact 86, although the principle of operation is the same.
Patent GB-1327609-A (GB)
Title: Electric lamps
IPC: C03C27/04
Filed: 1970-12-10
Abstract: 1327609 Electric lamp PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Dec 1970 [13 Dec 1969] 58682/70 Heading C1M An electric lamp includes an envelope of quartz glass provided with an integral pinch 14, a metal foil strip 10 sealed in the pinch and a metal conductor 12 welded to an end of the strip 10 within the pinch 14, at least part of the conductor 12 located within the pinch and at least the end of the strip 10 including the welded region being coated with a thin film 11 of SiO 2 . Preferably the film 11 has a thickness of between 0À5 and 2 Ám and is deposited by means of high frequency sputtering. The metal foil strip 10 should have a melting point greater than 1500 C. and is made of molybdenum, tungsten or an alloy of molybdenum and tungsten.
Patent GB-1440275-A (GB)
Title: Injectable solutions containing aminoketone derivatives and process for the preparation thereof
IPC: A61P25/02
Filed: 1973-12-21
Abstract: 1440275 Respiratory stimulating composition RICHTER GEDEON VEGYESZETI GYAR RT 21 Dec 1973 [15 Jan 1973] 59324/ 73 Heading A5B A stable injectable solution comprises (i) an aminoketone derivative of formula: wherein R1 is hydrogen or C1-4 alkyl and R2 is alkylphenyl wherein the alkyl group contains 1 to 10 carbon atoms or R1 and R2 together represent a C3-5 alkylene group and X represents an anion or one equivalent of a polyvalent anion, (ii) a nonionic surface active agent, (iii) a polyhydric alcohol, (iv) an ammonium or amine salt of a strong acid and (v) an organic acid having a pKa value between 2 and 4. In the formula X may be chloride or sulphate. Compounds specified include (i) 1- piperidino - 3 - (4' - n - octylphenyl) - propan- 3-one hydrochloride, 1-piperidino-2-methyl-3- (4-methylphenyl)-propan-3-one hydrochloride and 1-piperidino-methyl-cyclohexane-2-one hydrochloride (ii) an oleic ester-alkylene oxide adduct, a castor oil-ethylene oxide adduct, sorbitan monolaurate-ethylene oxide adduct, (iii) propyleneglycol, glycerol, polyethylene glycol, (iv) ammonium chloride, piperidine hydrochloride, (v) ascorbic acid, maleic acid. The composition may also include a local anaesthetic, e.g. lindocaine hydrochloride.
Patent GB-1375009-A (GB)
IPC: B61G9/04
Filed: 1971-12-21
Abstract: 1375009 Combined buffing and draw gear for railway vehicles ITALSIDER SpA 21 Dec 1971 [21 Dec 1970] 59385/71 Heading B7T [Also in Division F2] In a shock-absorbing arrangement for a combined buff-and-draw coupling for rail vehicles, having a coupler stem D, Figs. 4, 5, pivoted on a pin E, there are two resilient devices (in spaces Aa, Ad) each comprising a helical spring with friction elements, a volute or liquid spring, or a set of rubber-metal platelike elements, separated by a follower plate F in a cage formed by two interfitting and relatively movable yokes Ca, Cd; the follower plate F (e.g. located by two projections G in slots between the beams L of upper and lower pairs of beams of the front yoke Ca) is slidable in the yokes being guided in the back yoke Cd by lugs T located in slots in four limbs I extending from a back plate (rear follower) Bd of that yoke, which locates on shoulders Vd on a vehicle-sill; a front follower Ba, for the front end of the front resilient device, slidable in the front yoke Ca and having side projections for location on shoulders Va on the centre-sill. Each end of the pivot pin E is retained against the head of yoke Ca by a bearing block P, Fig. 5, urged by at least one spring M extending between the block and a socket S. The blocks P and sockets S are slidably guided on ribs H on opposite beams L of the yoke. Keys K located in slots Q, Fig. 8c, in the ribs H provide back stops for the sockets S so that the springs M are precompressed. Under traction, the front resilient device in space Aa is compressed. Under compression, the two resilient devices in both spaces Aa, Ad are compressed. The rubber-metal elements of the resilient devices may be of irregular hexagonal outline or shaped to have projections for contacting the limbs of the back yoke Ca, Figs. 10A, 10B (not shown). Reference has been directed by the Comptroller to Specification 1,029,368.
Patent GB-1261897-A (GB)
Title: Manufacture of bipyridylium salts
Inventor: COLCHESTER JOHN EDWARD
IPC: C07D213/22
Filed: 1968-12-20
Abstract: 1,261,897. Bipyridylium salts. IMPERIAL CHEMICAL INDUSTRIES Ltd. 28 Nov., 1969 [20 Dec., 1968], No. 60713/68. Addition to 1,073,081. Heading C2C. 1,1<SP>1</SP> - Disubstituted - 4,41 - bipyridylium salts are obtained by treating the corresponding 1,1<SP>1</SP>- disubstituted - 1,1<SP>1</SP>,4,4<SP>1</SP> - tetrahydro - 4,4<SP>1</SP> - bipyridyl with an organic compound which has a redox potential in water more positive than - 1À48 V as compared with the standard calomel electrode and which reacts with a hydride ion with the formation of an anion which under the reaction conditions has a redox potential more positive than - 0À45 V. Preferred organic compounds are those having a cyclic structure and which on addition of a hydride ion yield an aromatic anion, those containing one or more atoms of high electronegativity and a mesomeric potential sufficient to sustain a negative charge, those containing an anion capable of displacement by addition to the compound of a hydride ion, or those containing an atom or group capable of displacement as an anion by addition to the compound of a hydride ion. The reaction may be carried out in a solvent for the tetrahydrobipyridyl. Examples are given.
Patent GB-1308397-A (GB)
Title: Drawing device
IPC: A63H33/22
Filed: 1970-12-22
Abstract: 1308397 Pendulographs M PADOWICZ 22 Dec 1970 [24 Dec 1969 24 April 1970 16 Oct 1970] 60812/70 Heading B6P  A pendulograph comprises a writing base 4 capable of performing damped oscillations with respect to a pencil 7 to permit the recording of harmonic curves on paper fixed to the top of the base 4. The base 4 may be suspended from a single arm 1 fixed to a table or the like 14, or from a free-standing four-armed frame (Fig. 1).
Patent GB-1284558-A (GB)
Title: Improvements relating to photographic film assemblages
IPC: G03B17/34
Filed: 1969-12-19
Abstract: 1284558 Film packs POLAROID CORP 19 Dec 1969 [19 Dec 1968] 61985/69 Heading G2A A photographic film assemblage comprises a container having vapour-impermeable forward, side, and end walls, a stack of film units within the container of which the foremost is adjacent a window in the forward wall for exposure therethrough, and a vapour-impermeable closure for the rear of the container. As shown, the container 12 is fabricated from sheet metal, and the forward wall 14 has an exposure opening 24 defined by a stiffening flange 26. End wall 22 has an opening 30 through which film units are withdrawn after exposure. Between the foremost of the stacked film units 42 and opening 24 is a safety cover in the form of an opaque sheet, 48, which has a flexible skirt 50 extending across opening 30 to prevent admission of light therethrough. Bearing against the rearmost of the film units is a relatively rigid sheet 60 having peripheral turneddown margins 62 to act as light seals, which sheet may be bowed as shown. A battery 64 may be provided on the rear of member 60, the battery being flexible so as to conform to the bowed shape of member 60. Terminals 66, 68 are located together on the same side of the battery. The rear of the container is hermetically sealed by an opaque flexible vapour-impermeable closure sheet 70, having pleated end portions 72 so that the central portion of sheet 70 can be urged forward by an external force. A further sheet 71 is attached to sheet 70, the two together forming a complete enclosure for the battery so as to prevent any vapour given off by the battery from reaching the film units. A further vapour-impermeable sheet 90 extends across the exposure opening 24, and is removed just before the container is loaded into a camera. The rear wall 100 of the camera, which is formed as a door through which the film is loaded, has mounted on it a plate 102 having integral cantilever springs 104, which plate engages against sheet 70 and urges it forwards, A pair of resilient contacts 112, 114 are secured to plate 102 and establish connection with the battery terminals through apertures 78, 80 in sheet 70.
Patent GB-628628-A (GB)
Abstract: 628,628. Electromagnetic moving coil measuring instruments. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Jan. 21, 1947, No. 1910. Convention date, Dec. 1, 1943. [Class 37] In a coreless moving coil indicating system for a measuring instrument wherein there is a nonlinear relation (which may be logarithmic) between the angular rotation of the coil and the current or voltage producing such rotation, a moving coil 1 is pivoted between pole-pieces 2, 3 of a magnet (not shown), the pole-piece thickness 4 is not more than # of the spacing 5 between the pole-pieces and preferably <SP>1</SP>/ 10  thereof. The magnetic field produced by the pole-pieces is distorted by a semicylindrical screen 6 of magnetic material, adjacent to and concentric with the path of the moving coil, so that a non-linear deflectional response is obtained, the non-linearity being adjustable by positioning the screen, varying its material, width, or thickness or by providing apertures 7 therein. Similar screens may be placed on both sides of the moving coil. The system is applicable to a decibel meter.