baber/WOPTO huggingface dataset:
Patent GB-455059-A (GB)
Title: Improvements relating to slicing machines
IPC: B26D7/32
Filed: 1935-07-12
Abstract: 455,059. Slicing-machines. BERKEL & PARNELL'S SLICING MACHINE MANUFACTURING CO., Ltd., Aden Road, Ponders End, Middlesex.-(Maatschappij van Berkel's Patent Naamlooze Vennootschap ; 33, Boezemsingel, Rotterdam, Holland) July 12, 1935, No. 19922. [Class 28 (ii)] In slice-stacking mechanism of the kind having a sliceattaching guide for attaching the slice, as it is cut, to the prongs of an oscillating con veyer which moves the slice to the position of discharge by the swinging discharge fly, the slice-attaching guide e is displaced from the conveyer d after the slice has been attached thereto, and remains so displaced during the return movement of the conveyer so that, if the slice partially returns with the conveyer before discharge, it will not foul the guide e. The guide e is mounted on an arm k pivoted on a bracket l and urged to its operative position by a spring m. A roller n on the arm k coacts with a cam o having diametrically opposed humps p for displacing the cam. The cam is driven in one direction, in steps of one half of a revolution, by a spring-pressed pawl carried by the oscillating shaft on which the conveyer d is mounted, engaging with a toothed wheel secured to the cam o.
Patent GB-1008340-A (GB)
Title: Improvements in or relating to liquid cathode electric discharge devices
IPC: H01J13/34
Filed: 1963-05-20
Abstract: 1,008,340. Metal-vapour discharge apparatus. M-O VALVE CO. Ltd, R. E. BRITTAIN, and W. R. MAYBERRY. May 8, 1964 [May 20, 1963], No. 19949/63. Heading H1D. A gas-filled liquid cathode discharge tube comprises a rod 9, the end 3 of which forms an. anode which is spaced 0.5 to 2 mm. from an apertured closure member 12 of a trigger electrode 4 comprising a tubular metal member 10 supported by a tubular insulator 8 surrounding the rod 9, the spacing between the rod 9 and the member 10 lying in the range of 1 to 4 mm.; the pressure of the gas filling lies within the range of 0.3 to 1À0 times the pressure for which the anode breakdown voltage would be 5 kV. in a device of identical construction having a gas filling of the same composition. The filling may be argon at a pressure in the range of 0.2 to 0.3 torr. The cathode 2 consists of mercury containing a small proportion of at least one of the alkaline earth metals Ba, Sr, Ca or Mg, the total amount of the additive being such that if the mercury is rolled over a glass surface it tends to stick to that surface. An amount of barium lying in the range of 1 to 10 mg per c.c. of mercury may be added by vaporizing by eddy current heating a number of barium getter elements 17 mounted on a bracket 14 projecting from the member 12. The trigger electrode 4 is connected by a lead 16 to a terminal 15.
Patent GB-839623-A (GB)
Title: Improvements in or relating to heat transfer and fluid flow measuring and recording instruments and devices
IPC: G01K17/04
Filed: 1955-07-11
Abstract: 839,623. Heat - measuring instruments. CHAMPION, C. L. Aug. 10, 1956 [July 11, 1955], No. 19955/55. Class 40 (1). [Also in Group XX] A means for measuring the amount of heat supplied in a heat exchange unit is composed of a constricture 3 in the cold return pipe 2 from the heat exchanger and a calorimeter situated to by-pass this constricture. Hence a known proportion of the return flow is diverted through the calorimeter. A temperature-sensitive element 7 is placed in the outlet from the calorimeter and another 8, in the hot flow supply pipe 1. If the temperature at these points differs, switch 10 is closed and the fluid in the calorimeter is heated electrically by means of heater 11. The energy supplied is measured by any well-known electricity meter and the reading is indicative of the heat supplied to the heat exchanger. The fluid enters the calorimeter through a small nozzle 5 to assist the general dispersion of fluid in the chamber. In order to reduce heat loss errors the calorimeter is surrounded by a jacket which may be fed with fluid from the hot fluid supply pipe 1 or by fluid from the outlet point, near 7 of the calorimeter. In both cases a return pipe 15 is supplied to the main return pipe 2. A further correction for heat loss is supplied by an auxiliary heater 18 the output of which may be varied if necessary by resistor 19 to suit prevailing conditions. The calorimeter may be surrounded by an evacuated jacket. The temperature-sensitive elements 7 and 8 may be thermo-couples or any other suitable device. In the embodiment described they are resistance elements of a bridge any out of balance output of which is amplified and used to operate switch 10. A method of using the apparatus to measure the total fluid flow is described in which a constant temperature difference between 7 and 8 is maintained.
Patent GB-613800-A (GB)
Title: Improvements in carding engines
IPC: D01G31/00
Filed: 1946-07-04
Abstract: 613,800. Carding-engines. WRIGHT, E. July 4, 1946, No. 19974. [Class 120(ii)] [Also in Group XXIV] To the front of the cover C for the doffer B of a revolving-flat carding engine there is pivoted a flap E extending the whole width of the doffer and downwardly to within a short distance of the doffer clothing, one end of the flap being attached to a co-axially pivoted arm E' carrying a catch e' which, during normal running engages a projection f on a weighted lever F, which controls the drive to the doffer, e.g. through a pinion D, and maintains the drive, but upon a foreign body moving the flap E, the catch is moved from the projection to allow the lever F to move an arm G from a stop g<SP>2</SP> to allow a lever D<SP>2</SP> to lower the pinion D from driving engagement with the doffer shaft gear wheel. A rod H enables the arm E' to be moved by hand from the back of the engine. In a modification, the removal of the catch e<SP>1</SP> allows a weighted shaft to rotate and a fork thereon moves the doffer driving belt from a fast to a loose pulley. A weighted lever a applies pressure to the feed roller A<SP>1</SP> and a spring- pressed rod L presses against a plate K, between two holes, affixed to the lever a. When the lap entering the card between the roller A' and the lap plate is too thick or too thin, the plate K will be raised or lowered thus allowing the rod L to pass through a hole therein and the arm l to remove the catch e<SP>1</SP> and stop the doffer.
Patent GB-629568-A (GB)
Title: Improvements in or relating to door handle roses
IPC: E05B3/06
Filed: 1947-07-24
Abstract: 629,568. Knob attachments. BACKHOUSE, H. T. July 24, 1947, No. 19979. Addition to 606,912, [Group XIV]. [Class 44] [Also in Group XIV] In a roseplate mounting wherein blades or pins 109 on a tubular shank 102 are forced into the woodwork of the door as set forth in the Parent case, accidental retraction of the blades is prevented by the provision of a sleeve 103 which is inserted in the shank. The rose 104 may be separate from the shank 102 and the assembly is located in registration by a set screw 120 which also serves to retain the door handle 113.
Patent GB-815041-A (GB)
Title: Control circuit for electrical discharge metal machining apparatus
IPC: B23H7/18
Filed: 1957-06-25
Abstract: 815,041. Automatic control systems for spark erosion. GRAELL, A. C. June 25, 1957 [Feb. 23, 1957], No. 20031/57. Class 38 (4). [Also in Group XXII] Control of the position of the tool 11 of an electro-erosive machine is effected by a reversible motor 19 the armature of which is connected between the anodes of triodes 14 and 15, and bias voltage of triode 14 being the spark gap voltage between tool 11 and workpiece 10, and that of triode 15 being the drop across a resistance 13 in the machine circuit. Unbalance of these two voltages causes motor 19 to adjust the position of tool 11; resistance 13 is set to obtain the optimum spark gap distance. Rectifiers 26 allow operation with an A.C. supply instead of D.C. supply 12; they may be omitted in the version shown. Instead of controlling the motor armature current, the circuit may be used to vary the motor field.
Patent GB-1033688-A (GB)
Title: Method of manufacturing styrene by catalytic dehydrogenation of ethylbenzene
IPC: C07C5/333
Filed: 1965-05-12
Abstract: Styrene is obtained by the catalytic dehydrogenation of ethylbenzene in the presence of steam at a pressure of at least 3 atmospheres absolute and cooling the reaction effluent indirectly with water to produce steam.  The pressure may be up to 11 atmospheres.
Patent GB-1358375-A (GB)
Title: Multi-layer baking ovens
IPC: A21B1/02
Filed: 1973-04-27
Abstract: 1358375 Baking ovens FR WINKLER KG SPEZIALFABRIK FUR BACKEREIMASCHINEN UND BACKOFEN 27 April 1973 [27 April 1972] 20121/73 Heading A2A A multi-layer baking oven includes a plurality of baking chambers 1 which are arranged one above the other; means for heating the individual chambers, such as a series of radiators 2; means for supplying steam to the individual chambers, such as steam tubes 10, wherein at least one of the chambers can be isolated with respect to the heat and steam producing means if not required and readily connected into the heat and steam producing means if it is desired to increase the baking capacity of the oven.
Patent GB-642600-A (GB)
Title: Improvements in or relating to electron discharge apparatus
IPC: H01J21/06
Filed: 1947-07-25
Abstract: 642,600. Thermionic valves. WESTERN ELECTRIC CO., Inc. July 25, 1947, No. 20133. Convention date, March 31, 1939. [Class 39 (i)] A positive space-charge electrode 22, 23, Fig. 3, between negative control grid 24 and cathode 27 is adjusted to provide a negative capacitance between these electrodes. A theoretical discussion shows that to do this the electrons must leave the space-charge electrode with a finite velocity and in a retarding field. The spacing of the space-charge electrode from the control grid must be at least 1.5 times its spacing from the cathode; as shown, it is three times. Characteristic curves are given, which exhibit also negative resistance and transconductance under certain conditions. The electrodes are aligned cylindrical grids supported within a cylindrical anode 17 by mica spacers, the anode being supported by a stem clamp. As shown, the space-charge electrode is two grids 22, 23, connected together. A screen-grid 40, Fig. 11, may be provided between the anode and control grid.
Patent GB-744692-A (GB)
Title: Toy assembly comprising a carton and toy figures
Inventor: ADAMSON DONALD GARETH
IPC: A63H3/52
Filed: 1953-07-21
Abstract: 744,692. Cardboard toys. CRESCENT TOY CO., Ltd. July 21, 1954 [July 21, 1953], No. 20283/53. Class 132(3) [Also in Group XVII] A toy comprises a carton which may be decorated to represent a part of a fort, ranch or farmhouse and which is provided with slots or openings producing the effect of castellations, windows or doors, toy figures being removably secured to a filler which may consist of a strip of paper board, and the figures being so located on the filler as to be exposed at least in part. through the slots or openings when the filler is in the carton. Fig. 2 shows a figure 3 attached to a filler 9 which may lie snugly within the carton Fig. 1, the slots 14 in the filler then registering with the slots 7 of the carton and the upper parts of the figures 3 being displayed through the fort castellations. The ends of the carton are closable by flaps 17, Fig. 4, and flaps 16 provided at the ends of the filler strip to enable the filler, when extended, to be attached to the carton ends and a representation of a courtyard to be formed, Fig. 3 (not shown).
Patent GB-279966-A (GB)
Title: Improvements in or relating to apparatus for tipping railway wagons
IPC: B65G67/00
Filed: 1926-08-17
Abstract: 279,966. Stothert & Pitt, Ltd., and Presland, C. W. Aug. 17, 1926. Rotary tipplers.-In apparatus in which a tipping cradle or carrier 1, 2 is tilted sideways by the action of hoisting ropes 11, the rail-platform 7 is separate from the carrier and rests upon the bed 8, and the carrier is lowered away from the platform so as to bring the hoisting ropes 11 clear of the loading gauge and permit the wagon to be run off the platform. As shown in Fig. 1, guide rollers 12, 13 on the carrier move in guides 14, 14a and bring the carrier into the position shown in broken lines. The guide 14a may be inclined. Bearings 10 on the carrier engage trunnions 9 on the platform arranged off centre so that the platform tilts and the wagon comes against the side support 6. The tipping apparatus shown is as described in Specification 282,473. In a tippler hoist, Fig. 11, the sheaves 18 for the hoisting ropes are carried on weighted levers 20 so as to move aside automatically when relieved of the load. In a modification, the ropes 11 are diverted laterally when not under load by jockey pulleys moved in guideways beneath the sheaves 18 by means of suspended weights.
Patent GB-578524-A (GB)
Title: A new or improved lock and key comprising indicator mechanism of the position of thelock on withdrawal of the key
IPC: E05B19/22
Filed: 1943-12-06
Abstract: 578,524. Keys. MEFINA SOC. ANON. Dec. 6, 1943, No. 20355. Convention date, Nov. 4, 1942. [Class 44] A flat type key has an indicator device arranged within the flat handle to show whether its last use was for locking or unlocking. As shown, the indicator comprises a cranked lever 27 pivoted at 28 in a recess 22 in the key handle 19, the recess having a cover-plate 23. Registering apertures are formed at 24 in the key handle and cover plate, and a blind aperture or depression is provided at 2 in the recess 22. One arm 30 of the lever extends beyond the apertures and has a hump 31 adapted to snap into the recesses to maintain the lever in each of its extreme positions. The lock, shown of rotating barrel type has a drum 12 with outer and inner end plates 13, 14 spaced apart. These plates have diametrically disposed embossments 17, 18 respectively, projecting into the space between the plates and serving to oscillate lever 27 as the key is rotated, the bosses being situated at opposite sides of the key-hole aperature 15, 16. The key has a notch between its handle 19 and bit 20, the other arm 29 of lever 27 extending into this notch as shown. When the key is fully home the notch registers with the plates 13, 14 with the end of arm 29 disposed in the space between them as in Fig. 2. When the key is given a complete clockwise rotation, Fig. 1, to effect locking, arm 29 is oscillated by the embossments 18, 17 in succession, the final movement given by embossment 17 leaving the lever in the full-line position, Fig. 2, with the arm 30 obturating the apertures at 24, to show that locking has been effected by the key. With anticlockwise movement to effect unlocking, the final movement to the lever is given by embossment 18, leaving the lever in the dotted-line position, Fig. 2, with the apertures at 24 uncovered. Alternatively, the indicator may be governed by cams or a helical groove, and may be arranged to slide instead of rocking.
Patent GB-946950-A (GB)
Title: Regeneration of desulfurizing agents
IPC: C10G19/08
Filed: 1961-06-06
Abstract: In the removal of sulphur impurities from hydrocarbon streams by contacting the streams with molten alkali metal hydroxide containing 5-30% wt. water, to form alkali metal sulphide, the alkali metal hydroxide is regenerated by contacting the sulphide, in the presence of water, with finely divided copper, iron, manganese, cobalt, calcium, magnesium, molybdenum, lead, tin, zinc, tungsten, antimony, or bismuth, or their oxides or hydroxides, or mixtures thereof.  The regeneration may be effected simultaneously with the purification, or the alkali metal sulphide formed separated and then regenerated, for example by employing the metal, oxide, or hydroxide as a fixed bed. The metal, oxide or hydroxide may be regenerated by roasting to give the oxide, which may be reduced to the metal, or by converting to the sulphate, either with H2SO4 or by air oxidation, and then electrolysed or reduced with hydrogen or precipitated with ammonia, or the sulphide may be suspended in aqueous solution and treated with air to regenerate the oxide and form sulphur as by-product. Specifications 913,729 and 913,730 are referred to.ALSO:Sulphur impurities are removed from hydrocarbon streams by contacting, preferably at 300-1000 DEG  F., with a molten alkali-metal hydroxide containing from 5 to 30% of water to form an alkali metal sulphide, and regenerating the hydroxide by contacting the sulphide in the presence of water with a finely divided solid material or materials selected from the group: copper, iron, manganese, cobalt, calcium, magnesium, molybdenum, lead, tin, zinc, tungsten, antimony, bismuth and oxides and hydroxides of the foregoing.  The alkali metal sulphide in the hydrocarbon stream may be separated in a first stage and the regenerated in a second stage.  Specifications 913,729 and 913,730 are referred to.
Patent GB-1084494-A (GB)
Title: Video recorder
IPC: H04N1/29
Filed: 1965-05-14
Abstract: 1,084,494. Television and facsimile picture recording. RANK XEROX Ltd. May 14, 1965 [June 1, 1964], No. 20465/65. Heading H4F. Xerographic apparatus, Fig. 2, for recording television or facsimile pictures comprises a drum 17 bearing a photoconductive layer 56, Fig. 3, supported by a dielectric layer 50 on an earthed conductive member. 51 and, including electrically separate conductors 52, 53, 54 extending parallel to the drum axis. The ends of the conductors 15 engage a brush 13 whereby video signals to be recorded may be applied to successive conductors as, the drum rotates. A light source 31 is traversed back and forth adjacent the drum, the relative rate of traverse and, drum rotation being such the light makes one traverse as each conductor is brought into use. In response to the video signals and the change of conductivity produced in each elemental area by the light source a pattern of charges is created corresponding to the television or facsimile pictures. The charges are developed to a visual pattern by known apparatus 37 and the pattern is thereafter transferred to a record strip under the action of a high potential electrode 44 and fixed thereon by a heater 46. The charge pattern on the drum is then removed by exposure of the drum to an intense light source 25 whilst the electrodes are earthed by brush 20. The electrodes are also earthed by a brush 16 in the region following scanning by light source 31. Conductors 52, 54, 56 &c. may be embedded in dielectric 50 instead of being formed on the surface as shown in Fig. 3. In a modified construction, Fig. 5 (not shown), the earthed conductive member 51 is dispensed with and each of conductors 52, 54 &c. is replaced by two conductors, one of which is earthed. As an alternative to traversing light source 31 back and forth, a scanning light system based on a mirror drum, Fig. 6 (not shown), or rocking mirror may be used. Reference is made (without given details) to a drum system in which the photoconductive layer is removable and forms the base of the final picture. Reference is also made to the application of the invention to a flat bed scanning system.
Patent GB-1342911-A (GB)
Title: Developing electrostatic latent images
IPC: G03G15/08
Filed: 1971-04-19
Abstract: 1342911 Developing apparatus EASTMAN KODAK CO 19 April 1971 [6 Feb 1970] 20564/71 Heading G2H Electrographic developing apparatus comprises two brushes 23, 24 each comprising metal coated fibres; the conductivity of brush 23 being higher than that of brush 24 whereby brush 23 produces solid area development and brush 24 produces fringe development. One or both of the brushes may be used on an electrostatic latent image. As shown, an image bearing web 20 is moved into contact with the desired brush by rollers 28, 30. A bristle brush 25 feeds developer to brushes 23, 24. Brushes 23, 24 may be earthed or electrically biased and may be elctrically connected to the backing of web 20. The brushes may be cylindrical, or flat or in the form of a belt or coil. Natural and synthetic fibres are listed as are metals for coating them and methods of coating. Nickel coated acrylic fibres are preferred. The backing (13,) Fig. 1; (not shown) of each brush may be provided with a conductive support (14).
Patent GB-296872-A (GB)
Title: Improvements in and connected with gill boxes for the gilling, combing, drawing, andfinishing of mohair, and for analogous purposes
IPC: D01G9/00
Filed: 1927-08-06
Abstract: 296,872. Ambler, H. P., and Ambler &. Sons, Ltd., J. Aug. 6, 1927. Gill boxes &c. - In a gill box for the treatment of mohair &c. the kemps are removed by a pair of rollers E, F, Fig. 1, mounted adjacent to the guard rail R and provided with a wiper W which delivers the kemps to a tray C<1>. Brackets B, Fig. 4, mounted on the guard rail support a plate C carrying journals D<1>, D<2>, D<3> for the rollers E, F and the wiper. The plate C is cut away to allow the roller F to project therethrough. The roller F is driven and is provided with a clearer F<1> and a guard F<7>. The roller E is rotated by contact with the roller F. The wiper W is driven by gearing from the roller F. The plate C is adjustable on its supporting brackets and may be secured to a support C'. The tray C' may be adjustable.
Patent GB-504690-A (GB)
Title: Improvements in and relating to electron discharge devices having metal envelopes
IPC: H01J5/40
Filed: 1938-07-13
Abstract: 504,690. Dischargeapparatus. BRITISH THOMSON.HOUSTON CO., Ltd. July 13, 1938, No. 20819. Convention date, July 14, 1937. [Class 39 (i)] [Also in Group XXII] An electron-discharge device has a metal envelope 1 having a circular open end closed by a circular header 2 provided with an annular corrugation through which the leads 11 are sealed. In the form shown, the open end has a flange 4 provided with an annular corrugation 5, which bears on the outer flange of header 2 from which hangs the skirt 3. Two walls 6, 7, of circular cross-section closed at the inner end by a transverse wall 8 form the U-shaped annular corrugation. The metal or glass evacuation tube 12 is sealed in the centre of the header. In manufacture, two cylindrical welding electrodes press the flanges together so that the ridge 5 flattens itself against the header 2 and produces a smooth joint. The resulting transverse movement of the parts of the flange 4 does not distort the header 2 and any residual distortion is taken up by the resilience of walls 6, 7 before reaching the seals 10. Further, heat from the welding spot is dissipated before it reaches the seals.
Patent GB-237122-A (GB)
Title: Improvements in loose covers or cases for holding periodicals or magazines and the like
IPC: B42F11/02
Filed: 1924-09-04
Abstract: 237,122. Rissen, J., and Hissen, G. H. Sept. 4, 1924. Covers.-In a loose cover for periodicals &c. of the kind wherein the book is held by a wire or rod secured at its looped ends by nuts engaging screws carried by a wooden or other rigid member forming the back, to prevent loss of the nuts d they are formed with grooves h round which the looped ends of the wire e are secured. To allow for variation in the distance between the screws c, one or both of the loops g may be elongated as shown in Fig. 1. Guard sheets i bearing advertisements may be secured to the sides a of the cover.