baber/WOPTO huggingface dataset:
Patent GB-1101679-A (GB)
Title: A method of and apparatus for photographic recording during x-ray examination
IPC: G03B42/02
Filed: 1965-06-16
Abstract: 1,101,679. X-ray film holder. A. S. GIDLUND. 16 June, 1965 [14 July, 19641, No. 25428/65. Heading H5R. An apparatus for recording photographically the image generated during an X-ray examination comprises a stand located in a light tight magazine for mounting on an image intensifier, the stand carrying spools for supplying and receiving roll film, a feeding device for the film and a film flattening device comprising a movable intensifying screen and a stationary intensifying screen arranged on each side of an intermittently fed film, the movable screen being arranged on a bowed support mounted on a frame and caused by means of suspension joints arranged on the frame moved via a lever system to abut against the stationary screen so that air present between the screens is pressed out from the central portion of the screens towards their periphery as they approach each other. In Fig. 1, a light tight magazine 1 contains spool 2 for unexposed film 3 which runs via rollers between fixed screen 5 and movable screen 4 through a film feeding arrangement to cassette 6. Screen 4 is mounted on a bowed surface which is preferably formed of pre-tensioned aluminium strips mounted on the short sides of the frame, but it may also be a bowed metal sheet. Between the screen and the frame there may be placed an interlayer of a resilient material. The movement in screen 4 is induced by a lever system activated by a semi-wheel 10 in synchronism with the intermittent movement of the film which is induced by a further semi-wheel 8 having portions 8a, 8b of different radii, portion 8a nipping the film against counter roller 9 to induce movement and portion 8b failing to reach the film. The lever system operated by the semi-wheel 10 (Fig. 3, not shown) may comprise two slides which run along the length of the movable frame 4, there being two suspension units on each slide unit comprising a triangular array of pins, one being pivoted in the frame, one in the slide and one in the supporting means for the frame so that lateral movement of the slides induces screen 4 to approach screen 5. A braking system comprising at least one frictional strip which is forced into contact with the film by driving means on the frame before screen 4 touches the film is fitted to the frame.
Patent GB-890433-A (GB)
Title: Improvements in or relating to control arrangements for postal sorting and similar machines
IPC: B07C3/14
Filed: 1960-07-21
Abstract: 890,433. Photo-electric sorting or selecting systems. TELEFUNKEN G.m.b.H. July 21, 1960 [July 25, 1959], No. 25445/60. Class 40(3). A control arrangement for a sorting or similar selecting machine adapted to be operative in response to address markings made on postal goods or the stamps affixed to and treated with a fluorescent material having a spectral energy distribution when irradiated by ultra violet light such that a substantial portion of the light energy produced is at wave lengths greater than 550 mÁ comprises means for converting the approximately 254 mÁ radiation from a low pressure mercury vapour lamp into ultra violet radiation of a longer wave length which is utilized to irradiate the markings or stamps through a filter having a passband in the longer part between 300 mÁ and 400 mÁ of the ultra violet wave length range, but having relatively small transparency to wave-lengths in the range greater than about 550 mÁ, and photo-electric means positioned to receive fluorescent radiation from said markings and/or stamps and sensitive over a wide spectral range of wave lengths longer than about 550 mÁ. As shown in Fig. 1, envelopes 1 having markings in fluorescent strips 2 are passed over a guide 3 having a slot 4 having dimensions corresponding approximately to those of a strip 2. Light from a low-pressure mercury lamp 5 is converted by a layer 10 (or screen 10<SP>1</SP>) to a longer wave length and impinges on a filter 6 having its pass-band maximum between 300 and 400 mÁ, and small transparency for wave lengths about 550 mÁ. The light generated from the fluorescent markings 2 is passed through a filter 9 having a cut-off at about 550 mÁ, and readily passing light of greater wave lengths. In a modification, Fig. 3 (not shown), a U-shaped low-pressure mercury vapour lamp having a coating 10, as in Fig. 1, is associated with filters symmetrically arranged in sides of a casing having a guide surfacewith an opening corresponding to the size of a postage stamp. A light-directing device may be disposed adjacent the filter associated with the photocell which is housed in a cylindrical extension of the casing with its axis at right angles to the guide surface for the letters. The fluorescent material may be Lumogen ultraviolet yellow-orange, and filters with suitable characteristics are referred to. The device, Fig. 3 (not shown), may be provided with obstructing portions to limit the opening used for examining stamps to that suitable for detecting address lines formed with fluorescent material. For detecting a number of rows of markings, separate corresponding photo-sensitive members may be provided in association with light-reflecting partitions for separating the light paths from the respective rows.
Patent GB-232869-A (GB)
Title: Improvements in devices for removing stoppers from bottles, jars and the like and replacing same thereon
IPC: B67B7/44
Filed: 1924-10-27
Abstract: 232,869. Saloun, M. Oct. 27, 1924. Cap - stoppers, screw, for bottles, jars, &c., are formed with a transverse groove 17 adapted to receive the central member 5 of a removing or applying tool.
Patent GB-236787-A (GB)
Title: Improvements in visible index cards and files
IPC: B42F17/00
Filed: 1924-10-27
Abstract: 236,787. Library Bureau, Ltd., (Library Bureau). Oct. 27, 1924. Index cards.-A series of index cards is connected together in overlapping formation to form a file for a directory &c. by providing each card with pairs of lateral tongues 2, 3 engageable by flexure with corresponding apertures 4 on the succeeding card. The space for inserting. the index data may be increased by inserting the cards and using the tongues 3 instead of the tongues 2. The cards may be supported between the flanges 9 and lips 10, 11 of a metal holder or on a card provided with celluloid flanges and filing perforations. Transparent sheaths 12, 13 of different colours may be slipped over the card edges and ruled spacing lines 1<a>, 1<b> may be provided.
Patent GB-1186534-A (GB)
Title: Method of Producing a Radioactive Source and Radioactive Source Produced thereby
IPC: G21G4/04
Filed: 1967-06-02
Abstract: 1,186,534. Radioactive sources. CENTRE D'ETUDE DE L'ENERGIE NUCLEAIRE. 2 June, 1967 [2 June, 1966], No. 25602/67. Heading G6R. A radioactive source is produced by dissolving a radioactive material in a polymerizable monomer and subsequently polymerizing the monomer. Alternatively, a non-radioactive material may be dissolved in the monomer and the polymerization product made radioactive by irradiation. In order to make a low activity alpha particle emitter for checking radiation detection instruments, solid uranyl nitrate is dissolved in methyl methacrylate and the product poured into a mould and polymerized. Rods formed by this method may be cut into discs; alternatively the polymerized product may be dissolved in an organic solvent, applied to a carrier and dried. In another method, uranyl nitrate is dissolved in a monomer, partly polymerized if desired, applied to a polymeric carrier or wood, and then polymerized. In order to form a source for scintillation counting, 1,4 - bis [2 - (5 - phenyloxazolyl)] - benzene, 2,5-diphenyloxazole, or naphthalene is added to the composition before polymerization. Reference is made to using plutonium nitrate instead of uranyl nitrate and to using monomers containing styrene or acrylic ester. If the final product is irradiated with neutrons, fission products are formed, thus changing the type of radiation. The preparation of beta, gamma and mixed radiation sources is referred to.
Patent GB-1436022-A (GB)
Title: Apparatus for use with automatic welding machines
IPC: B23K9/00
Filed: 1974-06-10
Abstract: 1436022 Welding by fusion PRVNI BRNENSKA STROJIRNA NARODNI PODNIK 10 June 1974 [11 June 1973] 25677/74 Heading B3R  In the machine welding-up of a tube wall comprising tubes and interconnecting strips wherein said tubes and strips are fed by first and second pairs of draw rollers past a pair of welding heads, the tubes and strips are clamped together by tube engaging rollers 14 rotatably mounted on supports 5, 6 adjustably positioned on a guide (4) of a cross member 1 boltable (Fig. 2, not shown) to a machine frame (3) in a position between said draw roller pairs. Each support 5, 6 is manually adjustable on the guide (4), to suit the wall width, and is securable in position on the guide by pivotable detents 18 engageable in guide slots 20. Each support carries a body 8 which is vertically adjustable and secured by screws 9, 7. Each body carries a cylinder 10 in which slides a sleeve 11 bearing a fork 12 rotat ably carrying one of the rollers 14. The sleeve may be mechanically hydraulically or pneumatically actuated to press the tubes and strips together. As shown, the sleeve is actuated by a screw 16 rotatable by a handle 15 and, for tightening up, a wrench or ratchet spanner engaging a screw head 17. The pitch of the guide slots 20 is smaller than the maximum travel of each sleeve.
Patent GB-257491-A (GB)
Abstract: 257,491. McKellar, D., and MacGregor, J. Feb. 9, 1926. Piled materials, treating with fluids; washing processes. - A process for dewaxing, decreasing, &c. fabrics consists in passing the fabric arranged in folded piles in series on a conveyer slowly through a tank of solvent. The tank 1 is provided with a sliding door 5 and a conveyer 2, movable by a chain and sprocket and handle 3. A pile of fabric is delivered adjacent to the door 5 and transferred to the conveyer each time a pile at the other end of the conveyer has been unfolded by rollers 7 and passed to a washing tank 9, which may be of the kind described in Specification 178,206. At least one inspection window G is provided at the delivery end of the tank 1.
Patent GB-502693-A (GB)
Title: Improvements in or relating to the manufacture of unsaturated alcohols
IPC: C07C29/42
Filed: 1937-09-22
Abstract: 502,693. Sodamide. DU PONT DE NEMOURS & CO., E. I., and MACALLUM, A. D. Sept. 22, 1937, No. 25753. [Class 1 (ii)] [Also in Group IV] In the production of sodamide, air is passed into liquid-ammonia containing small quantities of ferric nitrate and sodium to produce a catalyst for the reaction of further sodium with the ammonia.
Patent GB-225981-A (GB)
Title: Improvements relating to window blind fittings
IPC: E06B9/78
Filed: 1923-10-16
Abstract: 225,981. Nevatt, C. Oct. 16, 1923. Roller blinds.-A roller is provided with a ratchet wheel 17, frictionally held on the journal 10 by two spring washers 18 at one end and a cord drum at the other end, the 'bracket 21 for the cord drum journal 10 having inclined side flanges 29 for retaining the cord on the drum. The ratchet wheel 17 is engaged by a broad detent 27 pivoted on a pin 28 passing between the two walls 24, 26 of the supporting bracket 20 and arranged to engage the ratchet teeth on either side. The wall 26 of the bracket 20 projects forwardly on one side of the ratchet wheel, which is thereby retained in its normal relationship to the detent in the event of the bracket at the other end being bent outwardly. According to the Provisional Specification the journals 10 may be formed with spikes to be driven into the roller.
Patent GB-616120-A (GB)
Title: Improvements relating to heat exchange apparatus
IPC: F28D9/00
Filed: 1946-08-28
Abstract: 616,120. Plate heat exchangers. ROVER CO., Ltd., and BELL, F. R. Aug. 28, 1946, No. 25768. [Class 64(iii)] Heat exchange apparatus comprises an assembly of thin metal sheets a and b at least the alternate sheets b being corrugated to provide on either side of each such sheet two sets of parallel longitudinal flow passages c and d and each corrugated sheet being shaped near its ends to provide lateral passages f communicating with one of the associated sets of longitudinal passages d. At the ends of the matrix, the passages c are open and the passages dare closed. The lateral passages f are formed by indentations e in the corrugations near each end of the matrix and openings h in spacing strips g at one side of the matrix.
Patent GB-424219-A (GB)
Title: An improved film box or charger
IPC: G03B17/30
Filed: 1933-09-18
Abstract: 424,219. Kinematographic apparatus. NEWMAN, A. S., 25, Hornsey Lane, Highgate, London. Sept. 18, 1933, No. 26774. [Class 97 (i)] A film box or charger for kinematograph cameras comprises an outer casing 1 and an inner member fitting within the casing 1 carrying film and centre piece &c. and made light-tight by the front plate 4 with flanges 5. The inner member has a carrier plate 7 provided with an aperture to carry a tube 8, and two curved guides 9, 10. The guide tube 10 is entirely on one side of the carrier with one end at a lower aperture on the front plate. The guide tube 9 has one end at an upper aperture and passes in an incline to the other side of the carrier. The take-up centre piece 15 has a groove 16 fitting onto the tube 8 and two half pins 17 enable it to be driven by means extending through the tube 8. A locking piece 3 has a tubular flanged portion which locks the inner member and outer casing securely together. In a modification not shown, the guide tubes 9, 10 of the inner member are supported by bars.
Patent GB-224229-A (GB)
Title: Improvements in spreading apparatus for artificial manures
IPC: A01C15/08
Filed: 1924-10-29
Abstract: 224,229. Finne, J. von S. Oct. 29, 1924. Manure distributors.-In machines having reciprocating feeding-mechanism, the reciprocating members are provided with projections or fingers shaped so as to form scoop-shaped pockets between them, the walls of the pockets decreasing in height towards the feeding slot. The hopper may be provided with two or more feeding-devices and with one or more demountable or hinged partitions. These partitions may each consist of parts 3, 4, 5 hinged together and adapted to be moved so as to cover one of the feeding-devices, as shown in Fig. 1. The manure is fed through adjustable slots 8, 9 by fingers 6, 7 reciprocated by adjustable cams or eccentrics 11 driven by bevel gearing and a clutch from the travelling wheels. The pockets between the fingers have a base line of semielliptical or similar contour and side and back walls sloping down towards it. The end pockets are smaller than the others. The feeding-devices in the various compartments of the hopper may have strokes of different lengths and fingers of different sizes. Pins 18 are provided to scrape the points of the fingers and crush lumps.
Patent GB-924774-A (GB)
Title: Improvements in or relating to optical devices
IPC: G02B6/06
Filed: 1961-07-17
Abstract: 924,774. Light guides. T. B. CLERK. (American Optical Co.). July 17, 1961, No. 25857/61. Class 97 (1). [Also in Group XXIII] An image transfer device comprises a bundle of light conducting fibres of high refractive index each provided with a cladding of lower index transparent material, the claddings at at least one end of the device being coated with a layer of light shielding material so as to prevent light from entering said end and passing through the said claddings. The device may be made by assembling side by side a group of fibres 10, Fig. 1, the high index cores 11 of which have been provided with claddings 12, for example of borosilicate glass. One end of the fibre bundle is then clamped as at 13 and is heated with a ring-like heating element 14 to a temperature at which the bundle can be drawn so as to form a tapered device which is subsequently sheared off as at 16. Opposite ends of the device so formed are then cut and/or ground to provide flat surfaces which are substantially parallel and disposed substantially normal to the central longitudinal axis of the device, the distance between the opposite ends being chosen in accordance with the desired magnification. Thereafter the claddings 12, Fig. 4, at one or both ends of the device are removed, as by etching with hydrochloric acid, so as to provide recesses and then the whole of the or each end of the device is coated with light reflective material, such as silver or aluminium. The end faces of the tapered device are then polished so as to remove the reflective material from the ends of the fibre cores and simultaneously optically finish those faces. Finally, the sides of the tapered device may be provided with an opaque coating as of metal or opaque or light absorbent glass. Reference has been directed by the Comptroller to Specification 895,368.
Patent GB-1302339-A (GB)
IPC: B30B9/30
Filed: 1971-04-19
Abstract: 1302339 Garbage presses A RIES 19 April 1971 [25 April 1970] 25901/71 Heading B8C A hollow mandrel 4 is lowered into a sack 5 and increments of garbage are compressed within the mandrel by a piston 7. After each compression, the piston is automatically returned to its raised position by its achievement of a predetermined pressure on the garbage. When the sack is full, the mandrel is raised out of the sack while the ram is lowered. Several sacks are held by supports 12 on a turntable 11 and are brought beneath the ram in turn. The piston and mandrel may be operated by piston and cylinder units, by racks, or by threaded spindles.
Patent GB-665847-A (GB)
Title: Improvements in mechanism for automatic annual date indicator
IPC: G04B19/253
Filed: 1948-10-05
Abstract: 665,847. Date indicators. BALZEAU, C. A. A. Oct. 5, 1948 [Oct. 6, 1947], No. 25986/48. Class 106 (iv). A clock-actuated snail cam C releases a spring-loaded lever L every 24 hours and a resilient pawl-arm 4 carried by the lever is caused to rotate a 31-toothed ratchet-wheel 3. The stroke of the arm covers two teeth, one of these being normally masked by the end bl of a lever B, but at the end of a 30-day month the resilient arm 4 can depress the end b<SP>1</SP> of the lever into a notch E on the ratchet-wheel, a disc H on the month indicator M having presented a corresponding notch e<SP>1</SP> to accommodate the rising end b<SP>2</SP> of the lever and the wheel 3 is accordingly advanced two teeth. The device must be manually set for March 1st by a pushbutton J. The lever L carries another resilient pawl-arm 1 which turns a 7-toothed ratchet 2 on the day indicator S which can also be manually set when necessary by a push-button Js. A wheel 5 rotates with the ratchet-wheel 3 and has 30 teeth and a gap 5a, the teeth operating a ten-pin lantern 6 for the digit indicator U, the gap maintaining the numeral 1 stationary during the change from 31 to 1. The tens indicator D has an eight-pin lantern 8 moved by teeth 7a ... 7d attached to the front of the wheel 5 at the requisite points for the 1st, 10th, 20th and 30th days of the month, while a single rear tooth on the wheel 5 serves to rotate a twelve-pin lantern 10 for the month indicator M. French Specification 912,267 is referred to.
Patent GB-276183-A (GB)
Title: Improvements relating to scaife's builder motions for spinning and analogous machines
IPC: B65H54/14
Filed: 1926-10-18
Abstract: 276,183. Smith, W. Prince-, and Waterhouse, D. Oct. 18, 1926. Building-motions.-In a worsted spinning or like machine having a Scaife's building - motion and adapted for the production of spools C, Fig. 4, employed in Northrop and like looms, the functioning of the building-motion is delayed for a determined period at starting, the motion being subsequently brought into action automatically. The machine is characterized in that the chain-rail 4, Figs. 1 and 2, is maintained stationary for a determined period against a stop 2, the position of which governs the location of the preliminary winding A, Fig. 4, a linkage comprising hinged arms 9, 10, alternatively Tendered collapsible or rigid being interposed between the scroll-shaft 8 and the chain-rail 4, and serving either to prevent the movement of the scroll-shaft from being imparted to the chain-rail or to permit them to function normally. The mechanism is also adapted to secure a variable pick. The arm 9 is pivoted at 11 to the slide-plate 7 against which the end of the scroll-shaft 8 bears, the arm 10 being pivoted at 12 to the rail 4, and a bar 16 pivoted to the machine frame at 17 bears on a roller 15 at the junction 14 of the arm 9, 10. Rotary tappets 31, 32 are loosely mounted on the shaft 30 of the heart-cam 36, the usual short lever 38 carrying the bowl 37 contacting with the cam 36 and the long lever 41 being fitted with a vertically-sliding bracket 43 carrying an auxiliary bowl 47 in addition to the bowl 46. In operation, a member 3 on the rail 4 is set in accordance, with the desired location of the bunch A, the tappets 31, 32 are adjusted angularly for the length of thread to be wound at A, and the handle 29 pulled to free the latch 19 from the arm 16, the parts then being as shown in Fig. 1. The frame is then started and the cam 36 oscillates the levers 38, 41 but movement of the slide 7 merely collapses the arms 9, 10 and no movement is transmitted to the rail 4 or pokers 6. This continues until through ratchet-wheel 35, pawl 34, tappet 32 and projection 33, the tappet 31 contacts with a pin 26 and moves the links 25, 23 to the left bringing the members 9, 10, 16, 19 to the positions shown in Fig. 2. The arms 9, 10 then become rigid and motion is transmitted from the slide 7 to the rail 4. The longer chase to cover the tube is effected by the bowl 47 which is slightly nearer the lever 38 than the bowl 46 and which functions until carried by the slide 43 on to the inclined end of the lever 38 when the bowl 46 completes the building of the spool proper.
Patent GB-992548-A (GB)
Title: Process for carrying out chemical reactions by means of a ziegler catalyst
IPC: C08F10/00
Filed: 1961-07-18
Abstract: In a process for carrying out a chemical reaction such as the polymerization of ethylene in which a Ziegler catalyst is passed into a reaction zone, the concentration of unpaired electrons in the liquid containing the catalyst and/or in the reaction vessel is measured by passing the material through the resonance cavity of an electron spin resonance apparatus. The process may be monitored periodically or continuously and the measuring apparatus output signal may be used to control the process to obtain a desired end product.  A warning device may be operated.  Zeigler catalyst is defined in relation to the Periodic Tables and the following process examples with electron measurements are given:-  1.  A solution of TiCl4 in heptane and a solution of diethyl aluminium chloride in heptane are passed into a glass vessel under nitrogen, and ethylene is added after 1 hour.  2.  A process as in (1) using wet nitrogen. 3.  A process as in (1) in which a solution of ethanol in heptane is added to the catalyst solution.  4.  A process as in (1) in which a solution of carbon tetrabromide in heptane is added to the catalyst solution.  5.  A process as in (1) in which part of the nitrogen is replaced by dry air.  Other catalyst components which may be used and provide indications of unpaired electron concentrations are :-di - isobutyl aluminium chloride, di-isobutyl aluminium hydride, methyl aluminium dichloride, dimethyl aluminium chloride, cyclo-pentadienyl titanium dichloride.