baber/WOPTO huggingface dataset:
Patent GB-732609-A (GB)
Title: Braking system for aircraft
IPC: B64C25/46
Filed: 1953-05-30
Abstract: 732,609. Fluid pressure aircraft brakes. DUNLOP RUBBER CO., Ltd., TREVASKIS, H. W., DEWAR, D., and MORTIMER, F. R. April 29, 1954 [May 30, 1953], No. 15113/53. Class 103 (1). In aircraft braking systems comprising antiskid control devices, it is arranged that the brakes shall be applied to the wheels to prevent rotation thereof after take off and retraction, but that the pressure shall be released after a predetermined period since the pressurization of the system during long flight period is undesirable. This operation is brought about by a valve device 26 between the undercarriage jack 29 and the lead 34a to the exhaust valve 19 of the anti-skid mechanism. When the jack 29 is pressurized for retraction, the pressure acts below and raises a piston 31 in the central part of the valve housing 26. The upward movement of piston 31 seats a conical valve in member 38 to prevent passage of fluid past the centre of the piston into the chamber above connected to a reservoir by conduit 30a. It also raises a valve 35 off its seat 34 so as to allow pressure fluid from the pilots control valve 46 to pass by pipes 25 and 34a to exhaust valve 19 and pressure chamber 17 so as to apply the brakes. The piston 31 in rising carries with it a rod 40 and flange 41 which press a plug 42 and sealing ring 43 into the part 44 of casing 28 which is of smaller diameter. When the wheels have been retracted for sometime pressure fluid below the piston 31 leaks past the valve 38 at a slow rate and escapes by pipe 30a to the reservoir. The piston 31 thus descends slowly and eventually valve 35 reseats so that the brakes are no longer pressurized. The plug 42 and sealing ring 43 remain in the cylinder part 44 until pressure is released from the cylinder 28 by extension of the undercarriage. Specifications 676,708, 683,490 and 706,351 are referred to.
Patent GB-405857-A (GB)
Title: Igniting device for metal vapour rectifiers, particularly dipping igniting device for glass-bulb rectifiers
IPC: H01J13/48
Filed: 1933-05-25
Abstract: 405,857. Metallic-vapour rectifiers. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London. May 25, 1933, No. 15137. Convention date, Sept. 14, 1932. [Class 39 (i).] The igniting device 11 of a metallic-vapour rectifier, more particularly a dipping igniting device of a mercuryarc glass rectifier, is connected to one of the auxiliary or exciting anodes 6 through a switch 13, which is operated upon ignition of the arc to the anodes 6 to de-energize the device, and through a half-wave rectifier 12 to ensure that the potential on the device is always positive with respect to the cathode.
Patent GB-1278481-A (GB)
Title: Control systems for supplying feed to animals
Inventor: LEAVER ROBIN HENRY
IPC: A01K5/02
Filed: 1969-03-22
Abstract: 1278481 Control of animal feed SCIENTIFIC SYSTEMS Ltd 15 June 1970 [22 March 1969] 15160/69 Heading AIM A control system for supplying solid or liquid feed to animals comprises a housing having a plurality of single unit feeding stations (two rows of six stalls with mangers as described) each having an automatic variable feed dispenser, and a control box to control the dispensers wherein animal identification signals produced by selective operation of manually operable push-buttons 42, 45 (Fig. 2) and routed to a matrix of memory devices AA, AB. ., BA, CA.., in a translater 17 (Fig. 1) produce output signals appropriate to the animals feed requirements. Each memory device comprises a variable resistor 43 which is adjusted to represent the food requirement of an individual animal such that on depressing the push-button contacts 42, 45 appropriate to the coding of the animal the variable resistor is connected between the input line 40 and the output line 44. The operative first activates the memory device in the translator 17 appropriate to the animal which enters a feeding station. The master button 10 is then depressed, producing a pulse from the circuit 12 whose amplitude is reduced according to the memory device selected and which is routed through pole 1 of a 12 pole switch 19 (as shown, Fig. 1) through a timer 23 which produces an output pulse whose length depends upon the charge built up on a capacitor. This output signal then operates a relay 25 to energise a feed dispenser in a feeding station appropriate to pole 1 of switch 19. The animals enter the feeding stations sequentially and the feed is supplied sequentially to these stations by simultaneously routing the pulse from the circuit 12 through a delay 13 to an actuator 15 for rotating the rotary switch 19 to the next pole position. A second rotary switch 29 on the same switch shaft 16 may be operated in conjunction with a switch 30 to bi-pass the memory unit and timing circuit such that the relays 25 are held closed for an operativedetermined period in the event of a breakdown in the remaining circuitry. The animal feeding stations are arranged as described in two rows and bulbs 33, 34 connected through a further 12 pole switch 32 on the shaft 16 indicate the row in which feeding is about to be initiated. Changes in feed density are catered for by a timer control circuit 28, and the memory devices may be connected to an automatic milk recorder so that feed rations may vary automatically with milk output. The feed control may alternatively be a fluidic control such as air provided by an exhaust pump used for a vacuum milking machine in the same building. (For Figures see next page)
Patent GB-1036836-A (GB)
Title: Improvements in fibre mixing apparatus
IPC: D01G13/00
Filed: 1965-04-09
Abstract: In fibre mixing apparatus fibres are delivered, successively, to shoots or hoppers S1...S10 (see Fig. 1, not shown) via common delivery means, such as a pneumatic duct f and each shoot has at its lower end a grating c through which a spiked device such as a spiked rotating roller h can project to draw fibres from the shoot to a common conveyer g beneath the shoots. The mixed fibres then pass to a pneumatic outlet i.  The shoots have flaps a at their upper ends and these are opened and closed in succession under the influence of photo-electric or pressure devices in the shoots to ensure that the shoots do not become empty.  Walls d of the shoots are perforated to allow the conveying air to pass therethrough.  Oscillating flaps k at the lower end of the shoots keep the films in this region in motion. The spikes on each roller h (see Fig. 2, not shown) are in two series, the spikes in one series being inclined to the surface of the roller in a direction opposing that in which the spikes of the other series are inclined so that the direction of rotation of the rollers may be reversed, at say, 5 sec. intervals.  The adjoining portions of the gratings c are movable by a control device v so that penetration of the roller spikes into the grating may be adjusted.  When a different type of fibre is to be mixed flaps l in the shoots may be operated to prevent mixing of the two fibres.
Patent GB-952765-A (GB)
Title: Improvements in and relating to rotary piston internal combustion engines
IPC: F02B55/14
Filed: 1961-04-28
Abstract: 952,765. Rotary piston I.C. engines. MASCHINENFABRIK AUGSBURGNURNBERG A.G. April 28, 1961 [April 30, 1960], No. 15419/61. Heading F1F. A rotary piston I.C. engine of the n and n+ 1 lobe type comprising a three-lobed rotor 2, Fig. 1, having sealing strips 3 at its apices and a trochoidal-shaped two-lobed housing 1, includes porous plates 10, each extending over a piston surface 6, 7, 8 and covering a passage 11 through which fuel ejected from a nozzle 15 passes. The plates 10 are preferably made of porous coarsely sintered material, e.g., chromium oxide or a chromium oxide coating on a ceramic base to catalytically assist combustion whilst leaving only small residues behind. The passages 11 are tapered from their inlet ends 14 to their outlet ends 12 which open into the combustion space 13. The fuel injected under pressure through the nozzle 15 flows through the passage 11 to its outlet 12. As the piston continues to rotate the fuel acquires the velocity of the piston and under the action of centrifugal force is forced through the porous plate and causes it to vaporize thus preventing fuel in liquid form from reaching the cooled walls of the housing and hence improving the thermal efficiency of the engine. The combustion mixture is ignited either by spark-plug or "hot-spot" located at 19 adjacent a housing nodal point 17. On movement of the piston to the Fig. 2 position, the compressed gases in the diminishing space 13 are forced through the plate 10 in the direction of the arrows 18 into the dilating space 16 and a second ignition means 20 operable before, at the same time or after the ignition means at 19 may be fitted to influence this flow. A flattening 21 on the plate 10 also influences the flow velocity locally past the nodal point 17. In a modification, the fuel may be admitted into the passage 11 via a duct 22, Fig. 3, running through the piston in a direction parallel to the crankshaft axis or vertically intermediate the ends of the passage. In other modifications, the porous plates are replaced by perforated plates.
Patent GB-331987-A (GB)
Title: Improvements in and connected with plaiting mechanism for parallel fibre feed apparatus used in conjunction with carding engines or the like
IPC: D01G25/00
Filed: 1929-05-17
Abstract: 331,987. Tatham, Ltd., W., and Thornton, H., May 17, 1929. Feeding carding -engines etc.; lap-forming apparatus. - In plaiting lattices of the type in which the surfaces travel and also are mounted on carriages themselves reciprocated longitudinally of the parallel fibre feed apparatus, the upper lattice reciprocating at half the speed of the lower plaiting lattice to maintain a uniform length of fleece on to a bottom lattice, the material is fed from the doffer b of a carding engine on to a lattice d and from there passes to the upper plaiting lattice e which by reciprocating in opposition to the lattice h deposits the fleece on to the lattice l as shown. The material is flattened on the lattice by calender rolls k mounted on pendant arms k<1> from the lattice h and rotated by rack wheels k' gearing with a fixed rack k<3>. The drive of the lattices is effected by a chain n, Fig. 2, as shown and the reciprocation by a travelling anchorage i<2> thereof jointed to a bell-crank-lever j carried by the lattice h. The lattice h carries a rack g between which and a rack f carried by the lattice e a toothed wheel f is geared so that the half speed of the lattice e is obtained. The material may be fed from the lattice l to a finisher or other card or means may be combined with the apparatus to produce a lap.
Patent GB-122379-A (GB)
Title: Improvements relating to Mechanically Operated Valves of Internal Combustion Engines.
IPC: F01L1/12
Filed: 1918-09-24
Abstract: 122,379. Norton, J. L., and Norton Motors, Ltd. Sept. 24, 1918. Valves; valve-gear. -In cam gears in which beat or lift valves open against the pressure of a leaf spring, a portion of the spring rests upon the stem of the valve, or upon a tappet rod, and is engaged by the actuating cam. In the construction shown in Fig. 1, the member b of a leaf spring is located between the stem of the vulve a and its actuating cam j : the other portion of the spring bears upon a pin f carried by the valve stem. The portion b of the spring is shaped as shown in Fig. 1 and bears upon the underside of the member c of the spring.
Patent GB-1101234-A (GB)
Title: Improvements relating to photometric devices
IPC: G03B9/08
Filed: 1965-04-12
Abstract: 1,101,234. Comparison photo-meters. INTERNATIONAL POLAROID CORPORATION. April 12, 1965 [April 13, 1964], No. 15482/65. Heading G1P. [Also in Division G2] A comparison photo-meter comprises a lamp 17 energized through a switch 57, 64, a photometer head 13 for comparing the brightness of a second light-source 14 with that of the lamp, manual means to change the relative brightness of the light-sources, and second means responsive to manual operation of the first means for closing the switch. A rotatable actuator 29, Fig. 2 having a knob 30 may constitute the first and second means. Rotation of the knob, varies photo-meter aperture 33, and exposure aperture 34 defined by blades 25, 26 actuated by a cam 31 on a shaft 43. Contact 57 of the switch 57, 64 is engaged by portion 52 of knob 30 to close the switch up on relative axial movement of the shaft 43 and knob 30, thereby energizing lamp 17 to permit adjustment of the diaphragm opening to achieve photo-metric balance. Camera shutter Fig. 5 (not shown) has a blade (71) pivotally mounted at (72) on shutter plate (73). Blade (71) has an aperture (74) normally out of alignment with fixed exposure aperture (23). The aperture (74) is moved into alignment with aperture (23) by a pin (76) extending through slot (77) in plate (73). A yoke (78) having a flange (79) engaging shaft (43) is pivotally attached to pin 76. Axial movement of knob (30) from its normal position Fig. 3 (not shown), to its operative position of Fig. 6 (not shown) causes plate (71) and a shutter blade (80) pivoted thereto to pivot to the broken line position, Fig. 5 (not shown). Flash synchronization is provided by a switch (87) actuated by arm (84) on shutter blade (80).
Patent GB-729103-A (GB)
Title: Improvements in heating or cooling rotary double-walled drums
Inventor: FUNK WILLIAM HENRY
IPC: F28D11/02
Filed: 1953-06-05
Abstract: 729,103. Heating and cooling hollow rollers by circulation of fluids. LUKENS STEEL CO. June 5, 1953, No. 15596/53. Classes 34 (1), 64 (2) and 64 (3).  A power rotated double-walled drum is heated or cooled by introducing a mixture of heating or cooling liquid and a gas into the annular space 57 between the walls 51, 52 of the drum so that as the liquid flows through the space gas escapes from the liquid and forms a gas pocket in the upper part of the space to check the rotation of the liquid. In the closed circulating system shown, gas, which may be air, from a pipe 73 or an atmospheric inlet 74, or both, is entrained by the liquid in a by-pass 70 to the pipe 60 leading to the drum from a liquid heater or cooler 66. The liquid and gas leaving the drum passes to a tank 62 in' which the gas separates from the liquid before return to the Venturi. The liquid is returned to the heater or cooler by a pump 64. In another form, in which the liquid supply system is not closed, the gas is entrained in a Venturi as shown, or is blown by a pump into the liquid supply pipe, or both.  Hollow rollers. The double-walled drum has hollow hubs 53 connected by tubular spokes 58 to the annular space 57. Alternatively, the liquid inlet and outlet means may be at one end of the drum, as described in U.S.A. Specification 2,538,985.
Patent GB-1159348-A (GB)
Title: Improvements in or relating to Electric Switch Arrangements
IPC: H01H23/02
Filed: 1968-04-01
Abstract: 1,159,348. Flasher systems. SWF-SPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU G.m.b.H. 1 April, 1968 [23 June, 1967], No. 15636/68. Heading G4Q. [Also in Division H1] In an electric switch assembly comprising multiple actuators 12, 14, Fig. 1, illuminated from a single lamp 18, one of the switches 12, Fig. 7, associated with a warning flasher circuit 40 also connects the lamp 18 into the flasher circuit 40 so that the illumination of all the finger buttons is flashed when the warning condition operates. The assembly is arranged for use in automotive vehicles in which the headlights, sidelights, and warning actuators are illuminated through a single light conducting rod 22 having apertures 46, 47 surrounding the actuators 12, 14 and lamp 18. Lever actuator 12 has a spring plunger 31 engaging contact slider 32. In one position, Fig. 6 (not shown), lamp 18 is steadily illuminated from supply terminal 33 via sliding contacts 35, 37. In the second position lamp 18 is placed in the flasher circuit 40 from terminal 33 via sliding contacts 35, 39, 42, 37.
Patent GB-1495349-A (GB)
Title: Apparatus for the continuous manufacture of chipboard panels or the like
IPC: B27N3/26
Filed: 1975-04-16
Abstract: 1495349 Chipboard panels &c. HERMANN BERSTORFF MASCHINENBAU GmbH 16 April 1975 [25 April 1974] 15652/75 Heading B5A Chips or fibres containing a thermoplastic binder are sprinkled on to an endless belt 2 from station 3 and pass around the heated press drum 1 under pressure from inlet roller 4 and return rollers 5, 6 and 7. The return roller 7 effects reversing of the belt and allows the finished strip to be withdrawn in a horizontal direction without further curvature. The belt is kept under the desired tension by roller 8 which can be moved vertically to adjust the tension and the lateral position of the belt on the drum is monitored and controlled by the means 15 (Fig. 2, not shown).
Patent GB-218820-A (GB)
Title: Improvements relating to lacing-fastenings
IPC: A43C3/02
Filed: 1923-06-16
Abstract: 218,820. Kingston, G. M. June 16, 1923. Lacing-fastenings. - A lacing-fastening comprises a solid cylindrical body portion 1, Fig. 1, having a small wheel or runner 3 mounted in a slot 2 machined or otherwise formed therein, as shown. and attached to or formed integral with an attachment plate 5 having perforations 6 by which it may be sewn to the fabric &c. Fig. 2 shows a form in which a portion of the body 1 is cut away at 7 to facilitate threading of the lace. Several body portions may be attached to one securing plate.
Patent GB-128924-A (GB)
Title: Improvements in Slat and Lath Fabrics.
Inventor: HANSEN HANS CLAUSSON
IPC: E04F13/04
Filed: 1919-06-23
Abstract: 128,924. Hansen, H. C. June 22, 1918, [Convention date]. Slat and lath fabrics. -A lathing sheet consists of laths, reeds, or the like 1 fastened to heavy metal wires 2 by wires 3 which are shaped into loops 4 wholly or partially embracing the wires 2. Alternate loops may be bent from opposite sides around the wires 2, and the legs of the loops may touch the laths and act as spacers. In assembling the fabric the wires 2 are stretched at the requisite distance apart, the wires 3 placed above them, the laths inserted and the loops formed by means of rods placed between the wires and rolled round the thicker one.
Patent GB-218090-A (GB)
Title: Improvements in or relating to coke-oven and like furnace doors
IPC: C10B25/06
Filed: 1923-06-18
Abstract: 218,090. Glossop, G. J., and Gillott, J. W. June 18, 1923. Doors.-In a coke-oven or like furnace door, of the kind in which a dish-like metal frame encloses a lining of firebrick, the frame 10 is cast or moulded with a plain outer surface and a vertically corrugated inner surface, the corrugations 11 extending throughout the whole. length of the door and being intercepted at intervals by horizontal webs 13. Reinforcing material may be embedded during the casting or moulding, such material conforming with the corrugated inner surface 11. The frame 10 is made from a mixture of iron and mild steel, the proportion of the latter varying between 20 and 60 per cent.
Patent GB-912174-A (GB)
Title: Improvements in or relating to nesting units
Inventor: STAFFORD JOHN NEVILLE
IPC: A47C1/124
Filed: 1959-05-07
Abstract: 912,174. Linking chairs in rows; nesting. STAFFORD PATENTS & HOLDINGS Ltd. May 5, 1960 [May 7, 1959; Jan. 11, 1960; Jan. 26, 1960], Nos. 15746/59, 1020/60 and 2843/60. Class 52 (2). An underframe for a linkable nesting unit comprises two end pairs of mutually downwardly divergent front and rear legs, a transverse element 10 rigid with and extending between the upper parts of the first end pair 4, 6 so as to form an open-bottomed end frame, and connecting means 8, 9 between the end pairs of legs 4, 6, 5, 7 holding them in longitudinally spaced relationship, the connecting means 8, 9 at least where connected to the second end pair 5, 7, being disposed downwardly from the upper parts thereof. As shown in Fig. 1, the legs 5, 7 are more widely spaced than the legs 4, 6 so that the pair of legs 4, 6 can nest within the pair 5, 7. Transverse elements 10, 11 are provided on each pair of legs. To link two units 1 together the transverse elements 10, 11 are engaged one behind the other as viewed from an end of a row of underframes. Means such as cross-bars 12, 13 are provided to prevent the units being telescoped together. The unit 1 can form part of an arm-chair, Fig. 6, or a desk, Fig. 14 (not shown). In a modification shown in Fig. 11, upper parts of the end frames carrying the transverse elements 10a, 11a are bent outwardly with respect to the planes containing the lower parts of such end frames. In a further modification shown in Fig. 28, the linking end pairs of legs of successive frames are in a common plane, the interlinking being provided by forming the transverse element 11e of the wider pair of legs 5e, 7e with a channel 33 to receive the transverse element 10e of the interlinking pair of legs 4e, 6e of the next underframe. In the modification shown in Fig. 36, the spacing of the front and rear legs of each end pair of legs of the underframe is the same. The connecting members 8h, 9h first diverge for a short distance from the end pair of legs associated with the transverse element 11h and then gradually converge towards one another to a short distance from the other end pair of legs when they again diverge to the positions at which they are secured to the lastmentioned legs. This enables successive underframes to be linked together with the transverse element 10h of the one underframe behind the transverse element 11h of the adjoining end-toend underframe.
Patent GB-240530-A (GB)
Title: Improvements in connection with drawing and like traversing rollers in drawing frames for flax, jute, hemp and other fibres and in like textile machines
IPC: D01H5/22
Filed: 1924-07-01
Abstract: 240,530. Benson, A. L., and Low & Co., Ltd., J. F. July 1, 1924. Rollers and roller heads. - The rollers A of drawing-frames for flax, hemp, jute. and other fibres and of like machines are mounted in bearing blocks B reciprocated in guides D by an eccentric J or a crank pin. Endwise movement of the rollers in the blocks is prevented by collars C on the rollers which engage the block directly or through ball bearing thrust washers C'.
Patent GB-645633-A (GB)
Title: Improvements in or relating to fluorescent screens
IPC: H01J29/28
Filed: 1948-06-11
Abstract: An aluminium backing is applied to a C.R.T. screen by forming synthetic resin film on water, decanting the water to apply the film to the screen, forming an aluminium coating on the film, and removing the film by heating, thereby applying the coating to the screen.  The water surface is preferably treated with a cleaner such as amyl or butyl acetate, and after this has evaporated a few drops of resin solution such as nitrocellulose in a volatile solvent with a plasticizer, e.g. campher or dibutyl phthalate, are poured on the water to form a film.  When the film has solidified the table is titled, at an even rate to decant the water, thereby allowing the film to settle on the screen.  After drying the tube is evacuated and aluminium is evaporated to condense on the resin film.  Heating at 375-700 DEG  C. volatilises the nitrocellulose film leaving a thin uniform coating of aluminium on the screen. Detailed operational data is given.
Patent GB-498669-A (GB)
Title: Improvements relating to the disposal of sewage and like refuse from ships
IPC: B63B29/00
Filed: 1937-06-08
Abstract: 498,669. Ships' sanitary drainage. STONE & CO., Ltd., J., and TUCKER, J. F. June 8, 1937, No. 15846. [Class 113 (i)] In a ships' sewage system in which the sewage is discharged intermittently under water the non-return valve 8 on the outlet pipe from the collecting tank is float actuated. When discharge commences the valve is drawn from its seating 9 by suction from the main ejector acting on the inside of the valve through the hollow guide 4. Packing 4<1> and 11 maintain a tight joint when the valve is in its lowermost position. The suction for actuating the valve is obtained from a second nozzle in the main ejector.