baber/WOPTO huggingface dataset:
Patent GB-632526-A (GB)
Title: Improvements in photographic film carrying spools
IPC: G03B17/30
Filed: 1947-07-01
Abstract: 632,526. Photographic film spools. PETRINOVIC & CO., Ltd., and HARRISON, G. H. July 1, 1947, No. 17375. [Classes 97 (i) and 98 (i)] A spool comprising a cylindri. cal outer component 10 and an inner component 13 fitting there. in, the component 10 having a longitudinal slit 12 and the component 13 having a recess 15 movable into and out of register with the slit by angular movement of the components so that the end of a film or film backing passed through the slit into the recess when they are in register is gripped between the components when they are relatively rotated, is characterized in that means engaging the film winding mechanism of the camera are provided on the inner component As shown, the said means comprise a tongue 14 which may also engage a pin 18 to limit the relative rotation of the parts. The component 13 has a milled end 23 and is held in the component 10 by engagement of a pip 16 on the latter with a groove 17. The spool may be placed in a casette 24 closed by a lid 32.
Patent GB-814674-A (GB)
Title: Improvements in or relating to electrical resistors
IPC: H01B1/08
Filed: 1956-06-05
Abstract: A glass or ceramic body is provided with a transparent coating consisting of oxides of tin and boron having a surface resistivity of 1-10,000 ohms per square cm.  At least one further oxide of titanium, aluminium, beryllium, magnesium, silicon, zinc, manganese or cobalt may be included.  In the example, the coating is applied by vapour deposition or spraying stannic chloride and boric acid dissolved in hydrochloric acid by the method disclosed in Specification 803,885. Previously sand-blasted porcelain rods may be so coated to form resistors.  Electrically heated windscreens, heating elements, food heaters or conductive glass windows for electrical instruments may be made by coating glass bodies in this manner, if necessary as they emerge from the furnace.  The glass may be tempered by quenching with this spray, air jets being applied during or after coating.  The coating is protected by varnish.
Patent GB-717151-A (GB)
Title: Improved means for handling bricks or other articles or packages
IPC: B66C1/24
Filed: 1952-07-11
Abstract: 717,151. Gripper forks for lifting stacked articles; fork lift trucks. LONDON BRICK CO., Ltd., and CLIFF, W. W. July 13, 1953, [July 11, 1952.] No. 17493/52. Classes 78 (3) and 78 (4). In a lift truck fork for handling stacks of bricks, of the kind, e.g. as described in Specification 633,180, in which the tines are provided with grippers to engage the sides of rows of bricks in the lowest course, each gripper comprises a plate 13 secured to a spring steel strip 12 which is bowed outwardly by approach movement of its ends. The ends of each strip 12 are respectively mounted in a fixed block 17 and a block 18 movable longitudinally along the tine by a spring abutment 20, 21. The abutments 20, 2 are mounted on slidable rods 19 which extend through holes in the blocks 17, 18 and have pin and slot connections with a series of bell cranks 30 interconnected by actuating rods 32, operatively connected to a pair of fluid pressure jacks (not shown). In a modification (also not shown) these jacks are replaced by manual acting means.
Patent GB-1085094-A (GB)
Title: Alternators
Inventor: BAKER ALFRED DICKENS
IPC: H01L25/07
Filed: 1964-04-28
Abstract: 1,085,094. Alternators. JOSEPH LUCAS (INDUSTRIES) Ltd. April 23, 1965 [April 28, 1964], No. 17503/64. Heading H2A. In an alternator, for use in road vehicles, comprising within a casing a rotor carrying a field coil 12, Fig 2, and surrounded by a stator having output windings 13, and two sets 14 ... 16, 18 ... 20 of semi-conductor diodes whose respective cathodes and anodes are connected to corresponding output terminals 17, 21 and whose respective anodes and cathodes are connected to phase points on the stator windings 13, the terminals 17, 21 are formed on respective electrically conductive, e.g. Cu, plates 32, 36, Fig. 8, on which the respective diode sets 14 ... 16 and 18 ... 20 are carried with their cathodes and anodes electrically connected to their corresponding plates, a third set 22 . . . 24 of diodes providing an input to a voltage regulator 25 controlling the field coil current is carried by a third electrically conductive plate 38, and the plates are engaged with an electrically insulating, e.g. nylon, member 39 secured to the casing. The member 39 is resilient and channelled to receive the plates and forms with them and their diodes a separate unit which is bolted to rotor shaft bearing support arms (27, 28), Fig. 1, with the terminal 21 earthed through the easing. The rotor is interdigitated, the terminals are of differing sizes to prevent incorrect connection, and the plate 32 has an additional diode heat sink 34.
Patent GB-241622-A (GB)
Title: Improvements in or relating to coin-controlled vending machines
IPC: G07F11/54
Filed: 1924-07-22
Abstract: 241,622. Rushen, P. C., (Hoff Vending Corporation). July 22, 1924. Delivery of articles stored in piles; storage; casings.-The articles 24, Fig. 2, are stored in a rotary frame 33 in a cylindrical glass casing 16 standing on the top plate 21 of a hollow base 15 containing the operative mechanism. The casing 16 is secured by a central fixed pillar 17, on which the frame 33 rotates, by means of a nut 56 entering the socket 51 of a cushioning plate - 52 and provided with right and left hand threads, to engage the end of the pillar, and a key 58, Fig. 12. The nut is placed on the key which is then used to screw it on the end of the pillar, continued rotation of the key, after the nut is arrested by the socket 51, removing it from the nut. The articles 24 are pressed down by a following weight comprising a ring 43 having tongues 44 to rest on top of the columns, tilting of the weight being prevented by spring- pressed locking-pins 46 engaging ratchet teeth 45 on the frame 33. The frame 33 carries a plate 61 located beneath the plate 21 and above a manually-operable oscillatory plate 64 loose on the pillar 17. The plate 61 which is of the same thickness as an article has a series of notches 63 corresponding with the columns of articles so that normally the bottom article of a column rests in a notch 63 on top of the plate 64, and the next article in a slot 23 in the plate 21. The plate 24 has a handle 27, Fig. 11, working in a slot 26 in the base, and a slot out of alignment with the slot 23 but in alignment with a delivery shoot 30 leading to a delivery opening. After prepayment, the plate 24 is moved to the left to rotate the frame 33 and bring the next column over the slot 23, the article carried by the plate 61 being brought over the delivery shoot 30. The frame 33 is held in this position and the plate 64 is returned by a spring to allow the article to drop through into the shoot 30. The frame 33 is held at the end of each step-by-step movement by a spring-pressed pivoted dog engaging a notch 63 of the plate 61. This dog is released by a cam bar mounted on the oscillatory plate 64. Coin action, mechanical-connection. - A coin 70, Fig. 11, inserted into a receiver on the plate 64 couples this plate to the plate 61. A small movement of the plate 64 takes place before the plate 61 is actuated, thereby allowing the cam on the plate 64 to release the plate 61. The coin rests on tramway plate 71 over the edge of which it falls when the handle 27 has reached the end of the slot 26.
Patent GB-770843-A (GB)
Title: Improvements in the extraction of boleko oil
IPC: C11B1/10
Filed: 1955-06-17
Abstract: Boleko oil, also known as isano oil, is extracted from materials containing it by using in succession a hydrocarbon solvent with a boiling point lower than 75 DEG C. and a chlorinated or oxygenated solvent.  The starting materials may comprise Onquekoa kernels or the oil obtained by pressing such kernels.  The oil obtained in the first extraction is rich in the glyceride of isanic acid and that in the second extraction in the glyceride of isanolic acid.  The hydrocarbon solvents specified comprise a hexane, a pentane or a butane or mixtures of aliphatic hydrocarbons such as petroleum ether.  The chlorinated or oxygenated solvents are preferably of not too high a boiling point and the solvents specified comprise either, methyl chloride, methylene chloride, chloroform, acetone, carbon tetrachloride and isopropanol.  The extracting temperature are preferably about 15 DEG C. for the first extraction and 35 DEG C. for the second.  Before extraction with the two solvents the kernels or pressed oil therefrom may be treated in the cold with methanol.
Patent GB-237426-A (GB)
Title: Improvements in thread controllers for sewing machines
IPC: D05B51/00
Filed: 1924-07-23
Abstract: 237,426. Armstrong, J. J. V., (Union Special Machine Co.). July 23, 1924. Sewing-machines; double-loop stitching. - A rotary thread control for the looper-thread of a sewing-machine comprises a cylindrical flange across which the thread is led so that on rotation of the flange the thread is displaced in an axial direction relative to the shaft. In the machine shown which employs two needles and two loopers the thread control device is mounted on a shaft 6 which operates the. needle-bar through connections of usual type and is mounted transversely in the standard. Secured to the shaft is a cylindrical member 14 having inner and outer flanges 16, 15 across which the looper-thread is led by guide-members 24, 35. The member 34 comprises a plate mounted on an arm 25 and lying within the inner flange 16. The thread passes from tension discs 13 to the rear of the member 24 and back through slots 22, 23 and is periodically nipped against the back of the plate by a face-cam 17 on the end of the shaft 6. The guide-member of check 35 and a stripper-finger 39 which control the thread in its passage across the cam edges of the flanges 15, 16 are arranged to lie partially within the space between the flanges. The thread passes to the loopers through a channel 42 having a spring-pressed cover-plate.
Patent GB-640840-A (GB)
Title: Improved cathode for ionisation counter tubes
IPC: H01J47/08
Filed: 1948-06-30
Abstract: 640,840. Cathode material and processing. SHELTON, E. E., and TOMES, G. A. R., (trading as 20TH CENTURY ELECTRONICS). June 30, 1948, No. 17644. [Class 39 (i)] A cathode for an ionization counter consists of a gauze or mesh of copper brass, bronze, nickel or stainless steel into the interstices of which a thin foil of lead is pressed (0.004 inch is mentioned as a suitable thickness for the lead). The lead may be pressed in by hydraulic pressure by a pad of rubber or by squeezing between rubber-faced rollers. The lead may be roll-welded or sweated to the gauze. In a suggested method of manufacture two layers of gauze are placed one each side of a central belt, a sheet of lead foil being laid in contact with the outer surface of each gauze layer. The whole is then squeezed through rubberfaced rollers.
Patent GB-227137-A (GB)
Title: Improvements in machines for the photographic composing of letterpress and like matter
IPC: B41B17/06
Filed: 1923-07-09
Abstract: 227,137. August, J. R. C., and Hunter, E. K. July 9, 1923. Type composing; copying.-In photographic apparatus for composing letterpress &c., the members controlling the movements of the film, plate, disc or other character - bearing medium are separately driven in synchronism, and are. arrested by separate electromagnetic brakes when the selected character is in position for projection. In the apparatus shown, which is similar to that described in Specification 200,532, the film 1 is wound on storage spools 4, 5 and passes over sprocket-spools 6, 7, the spindles 17, 18 of the spools 6, 7 being connected to driving-mechanism for traversing the film in either direction to select characters, and the spindles 13, 14 of the spools 4, 5 being driven in opposite directions, to maintain the film taut, by means of electromagnetic slipping clutches 15, 16. For arresting the spools when the selected character is in position, the spindles 13, 14, 17, 18 are now provided with simultaneously-actuated brakes, consisting of electromagnets 19 co-operating with armatures on the spindles. Sprocket-wheels 21, Fig. 2, engaging the film co-operate with a plate 22 to hold the film when the selected character is in position, the plate being moved into contact with the film by means of an electromagnet 23. For accurately positioning the film, the shafts of the sprocketwheels are provided with toothed discs 25, Fig. 1, co-operat'ing with toothed discs 26 on a frame 27 which is raised by an electromagnet. The frame of the apparatus may be adapted to be raised to select one of a number of longitudinal rows of characters on the film. In a modified form of driving-mechanism, the storage and sprocketspools are mounted in a vertically-movable frame and are driven by square shafts mounted in a stationary frame. The shafts of the sprocketspools have worms engaging worm-wheels. on two shafts provided with electromagnetic clutches for connecting the shafts alternately to pinions driven in opposite directions by a motor-driven shaft. The sprocket-spool shafts are provided with electromagnetic brakes. The storage-spool shafts are driven in opposite directions through wormgearing by means of a shaft geared to the motordriven shafts, electromagnetic slipping clutches being interposed between the worm-gearing and the storage-spool shafts. The Provisional Specification refers to Specifications 200,127 and 200,782,
Patent GB-184337-A (GB)
Title: Improvements in electrical commutators or distributors
IPC: F02P7/00
Filed: 1921-06-30
Abstract: 184,337. Jackson, G. H. June 30, 1921. Rotary distributors; contacts; bases. - In rotarv distributors of the type in which a rotatable contact member wipes over segmental contacts 13 - - 16 mounted in the interior of an insulating distributor ring 12, the rotor consists of a ball-bearing 3 having an outer ring and an inner ring 2 provided with a shoe secured thereto by screws 5 and having a lug by which it is pivotally suported on a pin 9 carried by two lugs 7 projecting from a bush 8 secured on the distributor shaft. A coiled spring 10 is arranged around the shaft to press the outer ring 1 against the annular contact raceway 12. In a modified form, Fig. 4, the bush 8 is provided with a peg 17 to locate the end of a coil spring 18 which is compressed between the bush 8 and the inner ring 2.
Patent GB-1099132-A (GB)
Title: Improvements in and relating to spools
Inventor: HUNT CHARLES HARRY
IPC: B65H75/18
Filed: 1965-04-28
Abstract: 1,099,132. Tape reels. T. J. SMITH & NEPHEW Ltd. July 15, 1966 [April 28, 1965], No. 17804/65. Heading B8M. A transparent spool for lengths of material such as tape, thread and filaments comprises an inner and an outer surface, the outer surface, i.e. that on which the material is wound, being provided with identification means discernible through the spool at the inner surface. The identification means may take the form of marking or printing or a label stuck to the outer surface. The spool is preferably made of plastics material, e.g. polyethylene or polyvinyl chloride. The spool is especially useful for holding a roll of adhesive tape, the identification means being disposed under said tape.
Patent GB-769883-A (GB)
Title: Improvements in self-locking folding box construction
Inventor: HELMICK FREDERICK EUGENE
IPC: B65D5/30
Filed: 1955-06-21
Abstract: 769,883. Cartons. BALJAK CORPORATION. June 21, 1955, No. 17898/55. Class 18. In a glueless corner construction for a folding box each of the end walls 16, 17 has two locking flaps 20, 21 and 22, 23 respectively, each of which engages in a cut in a side wall, e.g. the cut 54-56 in the side wall 12, 36, the cuts forming tongues 59, 60 in the side walls. Each locking flap has a tip 51-53 and is first assembled so that the tongue grips the locking flap, Fig. 2, and is then pulled through into the interior of the box, Fig. 5, so that the tip provides a positive lock.
Patent GB-560483-A (GB)
Title: Improvements in or relating to the manufacture of metal articles or masses from powdered materials
IPC: C22C33/02
Filed: 1942-12-18
Abstract: 560,483. Obtaining coherent masses from powdered metals. BRITISH PISTON RING CO., Ltd., TWIGGER, T. R., and JUDD, J. A. Dec. 18, 1942, No. 17981 [Class 82 (i)] In manufacturing articles or masses by pressing and sintering a mixture of soft and hard iron powders with the addition of one or more of the following elements, nickel, chromium, copper, molybdenum, vanadium, titanium and manganese, as described in Specification 538,227, the alloy elements are incorporated in the material from which the hard iron powder is produced to avoid the weighing out of small quantities of the elements and to obtain a more uniform dispersal. A mixture of pig iron, ferro alloys, &c. giving the desired composition may be melted and reduced to powdered form by atomization or by casting into granule or shot form, these forms being then powdered and mixed with the required amount of soft iron and graphite.
Patent GB-909259-A (GB)
Title: Improvements in or relating to packs of blank forms
Inventor: MEYER JOHANNES
IPC: B41L1/32
Filed: 1959-05-27
Abstract: 909,259. Manifolding pads. MEYER, J. May 27, 1959 [May 29, 1958; Aug. 22, 1958; Nov. 9, 1958], No. 18100/59. Class 16. In a pack of superimposed sets of blank forms wherein each set comprises one folded main sheet forming at least an upper and lower sheet, the upper and lower sheets of adjacent sets are connected together by means of an adhesive strip parallel to and spaced from the folded edges and each of the upper and lower sheets provided with a folding and tearing line defining the side of the adhesive strip nearest the fold, whereby the sets may be displaced laterally relative to each other to facilitate the checking of entries thereon, Fig. 2 (not shown). A main sheet is folded in four to give an upper sheet 109, and copy sheets 110, 111, 112 and secured to a similarly folded sheet by a strip of adhesive 117. Both the upper and lower sheets 109, 112 of each set are perforated along spaced lines defining the sides of the adhesive strip and the intermediate sheets and fold lines perforated at 113, 114, 118, 121 and 122 to facilitate detachment of the sheets from the set. Alternatively, the main sheet is folded in two or three only. In the former case a subsidiary single or doubled sheet may be inserted between the upper and lower sheets of each set, being connected to the lower sheet by an adhesive strip situated directly above the adhesive strip connecting adjacent sets. In another embodiment, Fig. 12, the main sheets are folded in three and the upper sheets provided with lines of apertures 207 along which the strips of adhesive are applied, whereby the intermediate sheets 202 are connected to the lower sheets 203, of the set immediately above. The pack is cut along the lines 209 and sheets of carbon paper inserted. Alternatively, the backs of the sheets are coated with a carbon layer.
Patent GB-954516-A (GB)
Title: Photographic camera
Inventor: HAHN WERNER
IPC: G03B7/12
Filed: 1961-05-18
Abstract: 954,516. Photo-electric camera exposure control. KAMERA UND-KINOWERKE DRESDEN VEB. May 18, 1961, No. 18152/61. Addition to 952, 331. Heading G2A. A camera in which a diaphragm and shutter speed ring rotate until a stop cam contacts a photoelectrically actuated galvanometer needle is provided with a changeover switch for daylight and artificial light exposures controlling cams which set the shutter to a fixed time and stop the galvanometer needle assuming its lower measurement ranges. For daylight exposures the change-over switch 35 is in the position where the marks "A" coincide. Depression of the camera release 44 allows a spring 39 to pull the setting ring 106 until the stepped edge 112 contacts the pointers 116 of galvanometer 23. Cam surfaces 105,107 set the aperture and exposure time respectively through plungers 4 and 8. For flashlight exposures the flash guide valve on scale 118 of switch 35 is set opposite the subject range on scale 119. This operates a plunger 37 through a cam 36, which holds the exposure time mechanism in its 1/30 sec position, and also a cam 33 which operates levers 30, 27 so that an arm 31 moves pointer 116 into a position which will set the correct aperture when setting ring 106 is arrested.
Patent GB-542710-A (GB)
Title: A submarine escape apparatus
IPC: B63G8/41
Filed: 1940-07-22
Abstract: 542,710. Submarine escape apparatus. PRATT, R. C. July 22, 1940, No. 18198/39. [Classes 68 (i) and 68 (ii)] [Also in Group XXVI] In an escape apparatus for submarines wherein a hollow watertight vessel is releasably secured to the submarine and watertight communication means, capable of being interrupted, allow passage of persons between the submarine and the vessel, said vessel is formed for engagement with holding means on a hydraulic or other ram by which the vessel may be moved to or from the submarine. A conical buoy 201, Fig. 1, with sealing surface 218, is received in a housing 202 with a gland 204 for a rotatable hydraulic cylinder 205 containing a piston 210 with hollow extensions 208, 209, and a guide head 211 with pivoted arms 214 adapted to hold the buoy. The cylinder 205 is rotatable by gearing 207 to bring a door 219 in the buoy into register with a tubular member 221, slidable into engagement with the buoy by rack and pinion or by hydraulic means, and containing two watertight doors 223. The buoy is returned by a cable 224 passing through a gland 232 and is released by an inner member 226 threaded to a hand wheel 229 and raised to release the arms 214. By admitting water to act on a piston 210, the buoy may be freed from its recess in any position of the submarine, and its return to the recess may be facilitated. Instead of the means for rotating the buoy, an annular gallery may surround the recess 202 and have one or more doors communicating with the submarine. The gland 232 comprises a tubular body 251, Fig. 3, over which slides a tube 252 sealed by packing 253 and co-operating with a spider 254 with arms extending through slots in the body 251. Packing is provided in a conical bore in the body 251 between a plug 255 on the spider and a screw plunger 256 both of which may be adjusted by handwheels 254, 257, to cause the packing to clamp the cable or to allow it to slide watertight therethrough.
Patent GB-268200-A (GB)
Title: Improvements in or relating to copper alloys
IPC: C22C9/00
Filed: 1926-07-21
Abstract: 268,200. Corson, M. G. July 21, 1926. Hardening.-Copper alloys which do not anneal or soften when heated to ordinary annealing temperatures contain chromium or cobalt and are quenched at 900-975‹ C. and thereafter subjected to mechanical working.