baber/WOPTO huggingface dataset:
Patent GB-143046-A (GB)
Title: Improvements in re-heating furnaces for rods, bars and the like
IPC: B21J17/00
Filed: 1919-05-23
Abstract: 143,046. Wood, J. May 23, 1919 Metal-heating furnaces.-A furnace for reheating rods, bars, &c, comprises a long heating- chamber a having at its forward end a fire-grate e and above its arch b<1> a flue for leading the products of combustion from the rear end of the chamber to a stack flue c at the front. A blast pipe may be fitted beneath the fire-grate, and a steam jet d for inducing draught may be placed in the chimney. The bars to be heated are inserted in the furnace through the opening a', and further openings may be provided in the side walls for short articles, or for inspection or cleaning purposes.
Patent GB-844598-A (GB)
Title: A process for the catalytic and selective decomposition of formic acid in carboxylic acid mixtures
IPC: C07C51/487
Filed: 1959-04-16
Abstract: Acid mixtures comprising one or more aliphatic carboxylic acids having 2-8 carbon atoms and formic acid are purified by selectively decomposing the formic acid by contacting the mixture at 80-220 DEG C. with a catalyst comprising one or more of the metals Pt, Os, Ir, Ru, Pd and Rh on an active carbon carrier.  The process may be effected in the liquid or vapour phase, if desired under elevated pressure, and molecular oxygen (e.g. air) may be present.
Patent GB-1299215-A (GB)
Title: Apparatus for joining heat sealable members together
IPC: B65B13/32
Filed: 1970-03-18
Abstract: 1299215 Seaming non-metallic sheet material IMHANDA AG 18 March 1970 [20 March 1969] 12986/70 Heading B5K Apparatus for forming a closed loop of a heat sealable strap around an article comprises a first locking means 2, 3 for holding a strap portion 4a relative to the article, means 5 spaced from the means 2, 3 for tensioning the strap 4 around the article in loop configuration, a second locking means 3, 8 for holding a strap portion 4b of the loop configuration in overlapping relation with the portion 4a, and heat sealing means 6, 6<SP>1</SP> between the means 3, 8 and the means 5 to seal together the overlapping portions 4a, 4b of the tensioned strap 4. The apparatus comprises a base 1 to be located between the strap 4 and the article and which supports a jaw 2. An upper jaw 3 is spring-biased away from the jaw 2 and the portion 4a is to be held between the jaws 2, 3. After being passed around the article the portion 4b is tensioned by a capstan 5. The heat sealing device 6, 6<SP>1</SP> comprises a heating resistor to be placed between the portions 4a, 4b. A cutting device comprising a movable cutter 16 and a stationary cutter 17 is located between the device 6, 61 and the capstan 5. A jaw 8 is mounted above the jaw 3 and is secured to a pin 9 spring-urged upwardly. Downward movement of the pin 9 is controlled by a cam 11 rotatable about a pin 15 by a lever 12 and acting on a member 13 pivoted on a pin 14. As shown, the cam 11 comprises a flat surface 11a between two cylindrical surface portions 11b, 11c. Preferably, the lever 12 also controls the operation of the cutter 16 and the device 6, 6<SP>1</SP>. In operation, the portion 4a is locked between the jaws 2, 3, the portion 4b is tensioned by the capstan 5, the portion 4b is locked between the jaws 3, 8, the portions 4a, 4b are heated by the device 6, 61, the portion 4b is cut by the cutters 16, 17, and the heated portions 4a, 4b are brought together by the movement of the cutter 16 which applies the pressure necessary for heat sealing.
Patent GB-1536905-A (GB)
Title: Grain separator
IPC: A01F12/44
Filed: 1976-03-31
Abstract: 1536905 Grain separators SATAKE ENG CO Ltd 31 March 1976 13025/76 Heading A1F In a grain separating device having a vibrating deck 23, air is blown through the deck by a circumferential flow fan 16 which has an inlet 17 and an outlet 18. A mixture including grain is fed through hopper port 22 into the air flow which blows lighter material to outlet 29 whilst allowing the heavier material to move down the deck 23 to outlet 30. In an embodiment grain is hulled between rollers before passing into an air stream which blows the material to one of three separate augers depending on its specific gravity.
Patent GB-977976-A (GB)
Title: Improvements in or relating to exposure devices for use in the production of contact copies by light and/or heat radiation
IPC: G03B27/30
Filed: 1961-04-11
Abstract: 977, 976. Exposure devices for photographic contact printing apparatus. W. ZINDLER, [trading as LUMOPRINT ZINDLER KOMM.-GES]. April 11,1961 [April 28, 1960], No. 13033/61. Heading G2A. An exposure device for use in the production of contact prints comprises a rotatable cylinder which transmits heat and light radiation, two different radiation sources located in the cylinder one being primarily a heat radiator and the other primarily a light source and an electrical control circuit which is operable to energize the light source only or both sources, the circuit including a main switch for the light source and a further switch for the heat operable only after closure of the main switch. This exposure device is preferably in a contact-printing apparatus which can use either light or heat-sensitive copy sheets. There may be a further light source in the cylinder and the heat radiator may be a filament lamp. As shown, the contact printing apparatus has a transparent cylinder 3 suspended in a moving endless belt 4 driven by roller 6. In the cylinder are two light sources 10 and 11, 10 emitting ultra-violet and 11 green light and a heat radiator 12 with a reflector 13. The original and copy sheet are fed in between plates 19 and 20 pivoting actuating element 22 which closes micro-switch 21 causing the heat-radiator to be switched on when the main switch 34 is closed. The light sources 10 and 11 are switched on and the belt 4 driven by depressing switch 34. When a heat-sensitive copy sheet is used, it and the original are guided by plate 14 on to the cylinder 3 and exposed by heat using radiator 12 and fed out through slot 17. When a lightsensitive copy sheet is used, it is fed with the original through slot 18 (see Fig. 6) or above plate 20 so that microswitch 21 is not energized and heatradiator 12 is not switched on. The assembly is exposed at 10 and fed out through slot 17. The exposed copy sheet is developed by a silver salt diffusion transfer device 27. This device 27 comprises a bath 28 with guide members 29 and a replenishment container 30 which maintains the liquid lead by hole 31. The bottom of container 30 also acts as the upper guide element. Specifications 922,595 and 935,428 are referred to.
Patent GB-377744-A (GB)
Title: An improved flying machine
IPC: B64C33/02
Filed: 1931-05-04
Abstract: 377,744. Ornithopters. TURNER, H. J., 34, Clova Road, Forest Gate, London, and MATTISON, F. W. ; 89, Ladysmith Avenue, Seven Kings, Essex. May 4, 1931, No. 13041/31 and 1732/32. [Class 4.] An ornithopter comprises a fuselage 5, a rocking member 4 pivoted at its forward end to fuselage on an axle 6 mounted transversely thereto, wings 20 connecting the rocking member at points spaced away and to the rear of the pivot and movable with respect to the rocking member 4 about axes extending fore and aft of the aircraft, and means for oscillating the member 4 about its pivot 6. The driving means comprises a crank 12 connected to a crank shaft 13 driven by chain gearing from pedals arranged in front of the pilot's seat. Shaft 13 may be connected to drive wheels 17 through a further chain and a releasable clutch Each wing 20 is connected to a frame 18 by hinges 21 along the leading edge. Frame 18 is hinged to the upper side of the beam 4 by hinges 19, the rocking movements of the frame as the wing beats up and down being controlled by an inward extension 22 engaging in guides 23 pivoted to the fuselage by trunnions 32. Beating of the wing about its leading edge is limited by springs 28 mounted on a rod 24 fixed to the wing by a ball joint 25 and sliding in a guide 26 secured to frame 18 by a ball joint 27. A motor may be substituted for the pedal drive. The axle 6 may be raised or lowered within limits to vary the plane of action of the wings by lever and ratchet mechanism under the control of the pilot. According to the first Provisional Specification guide means may be provided for the rocking beam 4 and it may be operated by a single crank working on a cross beam connecting the rear ends of the two beams.
Patent GB-592721-A (GB)
Title: Improvements in or relating to scissors and like hinged cutting blades
IPC: B26B13/00
Filed: 1945-05-24
Abstract: 592,721. Scissors. RICHARTZ, P. May 24, 1945, No. 13053. [Class 30] [Also in Groups XXII and XXIII] Scissors or other hinged cutting implements have blades made from mild steel which is case-hardened over at least the whole of the cutting faces. The blades, shanks and handles are forged and suitably finished and then all surfaces of the blades are subjected to a case-hardening process, but the case-hardening may be removed from the backs of the blades in a whetting operation. The hinge-pin holes in the blades may be made prior to the casehardening process so that their surfaces are hardened, and the scissors may be plated over the case-hardened and other surfaces.
Patent GB-846051-A (GB)
Title: Improvements relating to change-speed gearing
IPC: F16H3/083
Filed: 1958-04-24
Abstract: 846,051. Change-speed control. GETRAG GETRIEBE - UND ZAHNRADFABRIK G.m.b.H. April 24, 1958 [April 24, 1957], No. 13057/58. Class 80 (2). A ratio selector shaft 2 is moved axially of a bore in a change-speed gear shaft 1 on turning a control lever 10 connected to the selector shaft by a push-pull rod 8, the part-spherical end 7 of the push-pull rod being retained in a cavity 6 in the selector rod by a spring clip 5, &c., and bearing balls 9 allowing the selector shaft to rotate relatively to the push-pull rod. A spring-biased ball detent 11 engages in any one of a number of recesses 13 to retain the selector shaft 2 in the various ratio established positions. The control lever 10 may be turned manually, or by an electric or hydraulic means.
Patent GB-165619-A (GB)
Title: Improvements in or relating to apparatus for charging blast furnaces, foundry cupolas and the like
IPC: C21B7/18
Filed: 1920-05-12
Abstract: 165,619. Alldays & Onions, Ltd., and Black, R. H. May 12, 1920. Hoists with guided skips and platforms. - An apparatus for charging blast furnaces &c. comprises a hoist for raising and lowering a tipbucket k mounted on a trolley, the bucket being held in its normal locked position by a catch o which is tripped by a fixed stop s to allow the contents to be discharged into the feed shoot b. The bucket is returned to the normal position during lowering of the hoist by contact with the feed shoot. The hoist may be made wide enough to accommodate two trolleys with their buckets facing in opposite directions.
Patent GB-662681-A (GB)
Title: Improvements in carburettors
IPC: F02M19/02
Filed: 1949-05-17
Abstract: 662,681. Spray carburetters. SONNICHSEN, F., and REISTAD, R. May 17, 1949 [Dec. 14, 1948], No. 13119/49. Class 7(iii) In a carburetter for internal combustior engines in which the jet system discharge; freely into the suction and mixing chamber 3, the jet system comprising two sleeves 18 and 19 arranged one withir the other and rotatable relative to eact other and to a station. ary supporting member, such as a tube 17, which sleeves are provided with a number of communicating ports 24 leading to a fuel chamber 21 having a discharge opening 22, there is provided a port 26 communicating with a supply bore 25 from a float chamber 5 in such a manner that the supply to the sleeves in relation to each other and to the sleeves 18, 19 and the carburation action thereof may be varied by rotating the stationary member. Fuel enters the annular float chamber 5, through a passage 11 that is controlled by a valve 12 operated from the float 14. A venturi 15 is located inwardly of the chamber 5, the lower part of which is integral with a cross-piece 16, the tube 17 extending upwardly therefrom. Just above the top of tube 17 the sleeve 18 is provided with a conical part 20, the vertical space 22 between the top of the tube and the bottom conical part of the sleeve being in communication with the annular fuel chamber 21 formed between the upper surface of members 17 and 18. The interior of sleeve 19 is supplied with fuel through supply bore 25 from the chamber 5 up to the level of the latter so that air flowing through the venturi draws fuel from the opening 22 whilst air flowing into sleeve 19 passes through ports 24 into chamber 21 and becomes mixed with fuel before being discharged from opening 22. An idling bore 35 passes through the venturi and is connected by a pipe 34 to chamber 21, the bore being adjustable by a screw 36 and opening on the engine side of the throttle valve 27 when the latter is closed. Rotation of sleeve 18 adjusts the area of the fuel supply channel 25 whilst rotation of sleeve 19 changes the degree of alignment of the ports 24 in the two sleeves and hence the degree of atomization of the mixture.
Patent GB-199219-A (GB)
Title: Improvements in or relating to sight-testing apparatus
IPC: A61B3/00
Filed: 1922-05-10
Abstract: 199,219. Barnes, E. May 10, 1922. Sight-testing apparatus of the kind in which a shutter 3 is moved in guides 2 in front of a sheet of test type 4 is provided with means external to the apparatus for moving the shutter and for holding it in any desired position. The shutter 3 is mounted on chains 10 passing over wheels 9, 11, the lower pair of wheels 9 being mounted on a spindle 6 provided with a handle 8 as shown. Weights 13 attached to the chains 10 balance the weight of the shelter 3. A flexible 'blind 16 carried on a spring roller 17 is attached to the shutter 3 by strips 18 connected to a bar 19 which engages hooks 20 on the shutter. An adjustable slot is thereby provided. To lock the shutter in any desired position the spindle 6 is movable axially and is fitted with a clutch member 21 engaging a similar member 22 on the frame 1. The clutch is released by moving the spindle 6 against the action of a spring. In a modification, the shutter is operated by rack and pinion gear, and indicators may be fitted on the frame corresponding to the lines of type on the test sheet.
Patent GB-611568-A (GB)
Title: Improvements in or relating to electric pulse time modulators
IPC: H03K7/08
Filed: 1946-05-02
Abstract: 611,568. Pulse modulation. STANDARD TELEPHONES & .CABLES, Ltd. May 2, 1946, No. 13359. Convention date, May 19, 1944. [Class 40 (v)] In a cusper circuit for. producing timemodulated pulses in which the base wave oscillator 3 and push-pull cusper valves 13, 14 are all supplied from a source 1 of unregulated voltage, the cusper unbalancing means are arranged so as to compensate for fluctuations in the voltage source and to maintain the unmodulated wave cusp timing invariable. As shown, the unequal cathode biasses of triodes 13, 14 are produced by the potential drop across cathode resistors 22, 20 in the former case and resistor 20 alone in the latter case, the anode voltages and the resistors being so proportioned that, with varying anode voltages, the respective grid biasses remain equally spaced about the anode current cut-off value. Modulation is produced by push-pull audio-frequency potentials applied to grids 11, 12 from microphone 18 and transformer 17. In a modification, the resistors 22, 20 form part of a potential divider across the unregulated source, Fig. 3 (not shown). Specification 586,098 is referred to.
Patent GB-637245-A (GB)
Title: Improvements relating to devices for extinguishing cigarettes
IPC: A24F13/18
Filed: 1948-05-14
Abstract: 637,245. Cigarette extinguishers. CHAPLIN, S. May 14, 1948, No. 13363/47. [Class 130] A cigarette extinguisher comprises a tubular part a having a closed end b which can be attached to a cigarette holder f by a screw thread c or interference-fit tapered portions. The holder may have a thin elliptical-sectioned extension which can be compressed across its long axis to accommodate different-sized cigarettes. The device may have a "fountain-pen" clip.
Patent GB-1107213-A (GB)
Title: Method of treating barium carbonate
Inventor: STANWORTH FRANK
IPC: C01F11/16
Filed: 1965-03-30
Abstract: Commercial grade barium carbonate containing sodium in an insoluble form, probably as double barium-sodium carbonate, is purified by heating it at 500-800 DEG  C. thereby converting the sodium to a water-soluble form, cooling and washing with water. The barium carbonate is preferably heated in the form of pressed bodies.  The purified material may be used to prepare barium ferrite.
Patent GB-528360-A (GB)
Title: Improvements in or relating to collapsible egg cartons
IPC: B65D85/32
Filed: 1939-05-05
Abstract: 528,360. Egg cartons. SANDELL, G. R. May 5, 1939, No. 13418. Convention date, May 12, 1938. [Class 18]. A carton for eggs is made from a blank comprising a cover 10, side 11, base 12, side 13, and further sections which are folded into the carton to form a double-troughed partition 14. The latter is provided with diamond-shaped slots which allow it to interengage with transverse partitions 18 secured at one edge to the side 11 and, at the other, to a separate longitudinal wall 19. The eggs rest in the troughs 14 of which the material is cross-slitted to form cushioning flaps 30. The free edge of the cover carries tabs 9 which can be slipped into recesses in the top edges of the partitions 18. Partitions may be formed from a single sheet flanged at the ends, or a sheet can be folded to channel shape so that each arm constitutes a partition. The end partitions are provided with a finger-hole to facilitate erection of the carton. In both the blank and the wall 19, the fibre of the material runs in the transverse direction.
Patent GB-378078-A (GB)
Title: Improvements in devices for feeding the casting pots of type bar making and similar machines working with soft metals
IPC: B41B11/52
Filed: 1931-05-06
Abstract: 378,078. Electric resistance furnaces. BADER, K., 65, Cunostrasse, Grunewald, Berlin. May 6, 1931, No. 13420. Convention date, May 6, 1930. [Class 39 (iii).] In a device for supplying metal to the metalpot of a type-bar-making or like machine, an ingot 2, Fig. 1, of metal is contained in a cylinder 1, which is closed at the upper end, and is heated by coils 14, Fig. 5, which are successively switched out from the top downwards as the ingot is used up and descends in the cylinder. The cylinder is supported by a lever 15, Fig. 6, and balanced by a spring 20. The rise of the cylinder as the ingot is used up is transmitted by a rack 18 and a pinion 21 to a switch-arm 24 movable over contacts 24<1>, so that the heating-coils are successively cut out.
Patent GB-721106-A (GB)
Title: Improvements in or relating to frequency-stabilized oscillator circuit arrangements
IPC: H03L7/10
Filed: 1953-05-14
Abstract: 721,106. Automatic frequency control systems. PHILIPS ELECTRICAL INDUSTRIES, Ltd. May 14, 1953 [May 17, 1952], No. 13524/53. Class 38 (4). The search voltage source, used for extending the catching range of a frequency stabilization system as in Specification 684,217, is constituted by a reciprocally-coupled valve pair comprising the frequency-regulating reactance tube and an auxiliary amplifier tube. As shown, the controlled oscillator comprises a heptode tube 2 with back-coupling to a tuned circuit 4, and its output is mixed with that of a reference source 11, which may be a pulse or a sine-wave source, in a phase-comparer 12. The comparer output is integrated at 13 and passed through a low-pass filter 14 to the control grid of a reactance tube 7 which is connected across the tuned circuit 4 to correct its frequency to that of the reference source 11, or to an harmonic thereof. If the frequency error is too large, the oscillator fails to lock-in, and the search voltage generator comes into operation. This comprises the reactance tube 7 and an auxiliary triode amplifier 15, reciprocally coupled. The anode of the reactance tube is connected to the grid of the amplifier 15 through a network comprising as a series member a series combination of resistor 17 and condenser 18, and as a shunt member, parallel-connected resistor 19 and condenser 20. The anode of the amplifier 15 is directly connected to the screen grid of the reactance tube 7 both of which are earthed for the oscillator frequency by a condenser 23 shunting the resistor 22. The valve pair 7, 15 oscillates at a low frequency determined by the constants of the inter-valve network, and the effective reactance of the tube 7 is thus swept through a range wide enough to ensure locking of the oscillator to the frequency source 11. As soon as locking occurs, the negative feed-back round the AFC loop renders the search voltage generator inoperative. A high-frequency choke 16, and the condenser 21, prevent the H.F. oscillations from entering the RC network 17 ... 20. The triode 15 and the heptode 2 may be in a common envelope, with the triode grid connected to an intermediate grid of the heptode.
Patent GB-135331-A (GB)
IPC: G01F1/08
Abstract: 135,331. Kent, W. G., and Martin, F. Dec. 6, 1918. Impulse and reaction meters; regulating meters. -A liquid-meter is provided with an adjustable baffle D by which the angle at which the water enters the chamber A can be varied. A downwardly projecting flange J on the rotor I protects the bearing K of the spindle from grit, and a slot L admits liquid to prevent the bearing from running dry.
Patent GB-595649-A (GB)
Title: Improvements relating to the twisting of wires together
IPC: B21F15/00
Filed: 1945-05-31
Abstract: 595,649. Twisting wires together. ETABLISSEMENTS R. ROUSSEAU, SOC. A R.L., and CADIER, E. J. A. May 31, 1945, No. 13707. [Class 83 (iv)] Wires, to be joined, are twisted together and the twist is deformed by applying transverse pressure. The wires are then severed at an end of the twist so that when they are stretched apart and tension applied the free end of the twist abuts one of the strands to prevent unravelling as shown in Fig. 4. The wires are arranged side by side in the slots of stationary guides A, and B, Fig. 7, and in the slot of a pinion C mounted in spaced relation between the guides. The pinion is rotated by a wheel D after which punches G and G<2>, operated by cams F F<2> on the wheel D, deform the twist near its centre ; anvils J<1> J<2> providing support. A cutter E also actuated by the cam F, severes the wires. In a modification the punches are lever operated.
Patent GB-243770-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G19/16
Filed: 1924-06-05
Abstract: 243,770. Redler, A. June 5, 1924. Endless chain push-plate or scraper and trough conveyers and elevators; push-plates and scrapers, construction of; casings.-In a conveyer working in a casing, the side and transverse elements of the. chain are arranged in more than one plane, whereby material can be conveyed en masse in any direction and in any plane. The casing a, Fig. 4, has an inlet b and an outlet c and is of circular, square, &c. cross-section. It may be of -wood, iron, concrete, &c., and either may be a a rigid structure or composed of sections pivotally or telescopically jointed together. Alternatively it may be made of flexible material. The links e of the chain d each comprise circular rings r, h, Fig. 19, arranged in perpendicular planes. The rings h are connected together and extend along the axis of tho casing. The rings may be replaced by diamond-shaped members. The link e, Fig. 5, comprises side members h, a cross-bar i, and inclined arms j. The inclined arms j may be replaced by an arched member s, Fig. 22. The chain d, Fig. 9, is composed of parallel chains connected by side bars m. Each chain is com. posed of side members h and cross-bars i. Pin- and-slot connections between the links are provided in one chain to permit limited flexure of the compound chain. Specification 169,262 is referred to.