baber/WOPTO huggingface dataset:
Patent GB-612659-A (GB)
Title: Machines for filling containers with finely divided or plastic materials
IPC: B65B43/58
Filed: 1946-05-29
Abstract: 612,659. Packeting-machines. VALLEY PRODUCTS (LYE), Ltd., and TEARNE, W. May 29, 1946, No. 16296. [Classes 94 (i) and 125 (ii)] Relates to a machine for filling tins, cartons, bottles or the like with finely divided or plastic materials of the kind in which the material is discharged under pressure from a supply hopper into a container which, as it is being filled, is moved away from the discharge outlet under the action of the feeding pressure, and this movement is regulated by an opposing force so as to control the density of packing of the material in the container. According to the invention, this opposing force is afforded by a dash-pot mechanism comprising a hydraulic cylinder and piston and a restricted transfer passage through which the working fluid is displaced from the pressure side to the other side of the piston under the action of the feeding pressure. The transfer passage is preferably controlled by an adjustable check valve. The Figure shows the machine at the commencement of the filling operation. Finely divided or plastic material is fed from a hopper 1 through a nozzle 2 by a worm 3 into a container 7 placed upon a platform 8. The worm is driven through mechanism (not shown) from a shaft 6 upon which is mounted a clutch 5. The platform 8 is mounted upon a shaft 9 extending centrally through a hydraulic cylinder 10 and having a piston 11 secured thereto. Within the piston 11 are ports 17 closed by a non-return valve 18 in the form of a disc and spring 19, mounted on the pressure side of said piston, so that the downward movement of rod 9 is resisted by the fluid and quick upward movement is permitted. The cylinder 10 is secured at its upper end to a worktable 14. The opposite ends of cylinder 10 are connected by a transfer pipe 12 in which is mounted an adjustable check valve 13, the regulation of which determines the resistance offered to the downward path of shaft 9 and hence the density to which the material is packed into the container. To the lower end of rod 9 a lever 16 is connected by a pivotal link 15. Upon rod 9 are adjustably mounted strikers 20 and 21, the upper of which, 20, engages roller 22 upon an arm 23 of a lever 24 whilst rod 9 is being raised, to engage clutch 5 with driving shaft 4, thus starting the feed worm 3. At a predetermined position governed by its adjustment on the arm 9, the striker 21 engages a roller 25 upon the lever 24 which disengages clutch 5 and so terminates the feed. The platform 8 may be manually depressed a little further to remove the filled container, and to place a fresh container upon the platform which is then raised by the operation of lever 16.
Patent GB-699340-A (GB)
Title: Improvements in photosensitive silver halide emulsions for use in half-tone photographic processes
IPC: G03F5/00
Filed: 1952-06-30
Abstract: 699,340. Half-tone photography. KODAKLtd. June 30, 1952 [June 29, 1951], No. 16362/52. Drawings to Specification. Class 98(ii) A silver halide emulsion layer has a half-tone pattern of dots sensitive at the centres to longer wave-length light than at the corners. The centres may be sensitive to green and blue, to red and blue, or to green, red and blue, and the corners to blue; the green or red sensitivity varying continuously from a maximum at the centres to a minimum at the corners. The layer is made by application of optical sensitizer from a dot pattern printing plate which may be of letterpress, intaglio or even litho type to a litho or process type emulsion; the normal diffusion of sensitizer providing the continuous variation from centre to corner of the dots. Exposure of the layer through a blue filter leads to production of a continuous tone image; through a green or yellow filter to a half-tone image, or a line image may be superimposed on the latter by use of a blue filter. Two half-tone patterns may be provided on a single emulsion without registration, such as one corresponding to a 50-line screen using a green sensitizer and the other to a 120-line screen using a red sensitizer, when a green filter would provide newspaper half-tones and a red filter magazine half-tones. In all cases a blue filter gives continuous tones. As green and red sensitizers, respectively, 1-carboxymethyl-5-[(3-ethyl-2(1)- benzoxazolylidene) - ethylidene] - 3 - phenyl - 2 - thio hydantoin and 5-[(3-ethyl-2(3)-benzthiazolylidene)-butenylidene]-3-#-sulphorhodanine are quoted. Drawings show application of sensitizer from a wash-off relief film and from an intaglio printing roll, with dot patterns, to an emulsion; and the sensitivity variation produced in the latter. Specifications 529,033, 532,098, 540,451, 541,510, 541,513, 541,514, 541,515, 544,134, 552,368 and 558,099 are referred to.
Patent GB-102262-A (GB)
Title: Improvements in Internal Combustion Engines.
Inventor: LLEO ALBERTO
IPC: F02B75/28
Filed: 1916-11-15
Abstract: 102,262. Lleo, A., and Baradat, C. Nov. 15, 1915, [Convention date]. Valve-gear. - A four-stroke-cycle engine having stationary or revolving cylinders parallel to a central shaft and using swash-plate driving-gear has its inlet and exhaust valves 4, 3 actuated by tappets 43, 33 mounted on shafts 31, 30 carrying rollers 42, 32 engaging cams 38, 28 respectively, on a sleeve 40 driven through differential gearing 26, 27, 22 from the main driving- mechanism. Each cam roller is actuated by a separate cam. One set of cylinders, with the corresponding swash-plate driving-mechanism, may be dispensed with.
Patent GB-273488-A (GB)
Title: Improvements relating to mining machines
IPC: E21C31/00
Filed: 1926-07-01
Abstract: 273,488. Logan, W. A. July 1, 1926. Coal-cutting machines. -In a mining-machine, the main vertical spindle 1 is revolubly mounted in the top cover 5 and is anchored by screwing or bolting at 2 to the lower bifurcation of the jib 3, the spindle being capable of oscillating through approximately half a revolution. A nut 6 supports the spindle and is arranged in an oil reservoir 7 provided with a cover 33, oil passing from the reservoir through a pipe 9. A sleeve 13 is revolubly mounted on the spindle by means of roller bearings 10 and distance pieces 11, 12 and carries the cutter-chain sprocket 14 and a driving bevel 15. A stuffing box 20, 21 is provided round the sleeve 13 and carries a ball bearing 23 supporting the bevel 15. A bushing 25 and washer 27 close the lower end of the sleeve 13.
Patent GB-426296-A (GB)
Title: Improvements relating to the securing of cloth covers of deck chairs and the like toa frame
IPC: A47C4/30
Filed: 1934-06-04
Abstract: 426,296. Deck-chairs. PLAIL, H. R., 379, M³hlanger, K÷nigsberg-on-Eger, Czecho- Slovakia. June 4, 1934, No. 16550. Convention date, June 3, 1933. [Class 52 (ii)] In deck and like chairs in which the seating surface comprises a length of canvas or other material suspended between transverse rods, a plate spring 2 is secured at one end to the rod 1, and the canvas 3 is arranged to pass over the plate spring so that when the chair is occupied the spring is flexed and supports the canvas in a resilient manner. The plate spring preferably corresponds in width to the canvas, and its free end may have a rod or tube 6 secured thereto to prevent damage to the canvas.
Patent GB-1396826-A (GB)
Title: Substituted 2-halo-4,5-dicyano-imidazoles and their preparations
IPC: C07D233/90
Filed: 1973-04-06
Abstract: 1396826 Substituted 2-halo-4,5-dicyanoimidazoles E I DU PONT DE NEMOURS & CO 6 April 1973 [7 April 1972] 16610/73 Heading C2C The invention comprises compounds of formula where R contains up to 10 carbon atoms and is an alkyl, aryl, aralkyl, fluoro(oxaalkyl), haloalkyl or aryl(haloalkyl) group and X is F, Cl, Br or I, with the proviso that when X is I, R is only alkyl, aralkyl, fluoro(oxaalkyl) or haloalkyl, halo being F, Cl or Br. These compounds are prepared by reacting in the liquid phase at 50- 140 C. 2 - diazo - 4,5 - dicyano - 2H - imidazole with a compound of formula RX, where R and X are as defined above. When RX is chloro- or bromobenzene, a halonium compound of formula was detected in the reaction mixture; in the case of bromobenzene the halonium compound was found to rearrange to give 1-phenyl-2- bromo-4,5-dicyanoimidazole. With reactants RX containing C-H bonds, which may be written R<SP>1</SP>H, 4,5-dicyanoimidazoles substituted by R<SP>1</SP> in the 2 position are obtained as byproducts. In the examples, R is ethyl, various haloalkyl groups, phenyl, phenyl difluoromethyl and 2H-5-(trifluoromethyl)-perfluoro-3,6-dioxa- 2-nonyl.
Patent GB-129288-A (GB)
Title: Improvements in Dust Collectors.
Inventor: BEE HARLEN L
IPC: B24B55/06
Filed: 1919-07-03
Abstract: 129,288. Bee, H. L. Sept. 29, 1916, [Convention date]. Impeller blades. - A fan used for creating suction in a dust-collecting apparatus is provided with curved blades 43 on spoke arms 47 extending radially from its shaft 28, the blades projecting from the arms 47 towards one side of the casing.
Patent GB-422343-A (GB)
Title: Improvements in or relating to the manufacture of pneumatic tyres and apparatus therefor
IPC: B29D30/30
Filed: 1933-06-10
Abstract: 422,343. Pneumatic tyres. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, WILLSHAW, H., and DAVENPORT, F. A., Fort Dunlop, Birmingham. June 10, 1933, No. 16650. [Class 144 (i)] A machine for building-up a tyre-casing comprises one or more stock-rolls from which the material is fed to the building-drum by means of a roller having driving-contact with the periphery of the drum, said roller being geared to effect the take-up of the lining-material from the stock-rolls, all the rolls being carried by a frame which is adjustable to and from the drum. In the construction shown, the drum 13 is supported on a fixed pedestal, the other parts being carried by a frame 11 adapted to be rocked about a pivot 12. The frame may be moved by fluid-pressure or other mechanical means but, as shown, handles 14 are provided and a pivoted detent 15 formed with rack-teeth 22 is adapted to co-operate with a bracket 21 to lock the frame in its operative and non-operative positions. The tyre-fabric is fed from the stock-rolls 1, 2, over guides 37, 38, by the pull exerted on the intermediate lining-material as it is wound on the takeup rolls 5, 6. The latter are supported on rollers 7, 8 which are driven by a chain 9 from the roller 10 and drum 13.
Patent GB-1433684-A (GB)
Title: Tape measuring assemblies
IPC: G01B3/10
Filed: 1974-04-16
Abstract: 1433684 Tape measure STANLEY-MABO 16 April 1974 [20 April 1973] 16665/74 Heading G1M A tape measure comprises a casing in which is rotatably mounted a winding drum 3 having a central boss on which is wound a tape, the drum having braking means and driving means, the driving means comprising a crank 5 which it detachably mounted in a slot 6 in the outer face the drum 3 and can pivot between inoperative and operative positions, the pivot being constituted by two lugs integrally formed with the crank 5 which engage in housings provided in lateral walls of the slot and are retained therein by a resilient part 11 of the base of the slot. The casing may be in two parts (1'), 1 one part (1') having a central pivot member 2 on which the drum 3 is freely rotatable. The drum braking means may comprise an open ring 18 freely mounted on the pivot member 2 but prevented from rotating relative thereto by a pin 20; the ring 18 being resiliently pressed against an inner wall of the boss of the drum 3 by a spring 21. In a second embodiment, the braking means comprises a split polyamide resin ring Fig. 13, (not shown) having ribs which have to be forced outwardly when fitted over a central extension of one part of the casing so as to resiliently press the ring periphery against the inner face of a central boss of the winding drum. In this embodiment, the boss is rotatably mounted within a circular central rib on one part of the casing. The crank may be locked in position by means of a plate in the form of a sector which bears against the slotted face of the drum to keep the crank lugs in their respective housings. The tape 24 is attached to the drum by providing one end of the tape 24 with opposed slots which co-operate with an aperture 23 in the wall of the boss.
Patent GB-1274317-A (GB)
Title: Information storage and retrieval apparatus and method
IPC: G02F1/03
Filed: 1969-03-31
Abstract: 1,274,317. Electro-optic data storage. ITEK CORP. 31 March, 1969 [8 April, 1968], No. 16693/69. Heading H3B. [Also in Divisions Gl and G4] An information storage and retrieval element 110 comprises a photo-electret medium which stores an optical image as a patterned persistant internal electric field when it is simultaneously illuminated with the image and subjected to an electric field and an electro-optic medium associated with the photo-electret so that it modulates light transmitted therethrough as a function of the local persistant internal field intensity. The element 110 may comprise adjacent layers of photo-electret (hexagonal ZnS) and electro-optic (KDP) material between two electrodes, Fig. 8 (not shown), or a single layer, e.g. of cubic ZnS, may be employed as a photoelectret and also as exhibiting the Pockels effect, and in the latter case, it is not necessary for the thickness of the layer to be uniform for consistant modulation of the light over the whole layer. As shown, plane polarized light from a laser 112 is reflected by an oscillating mirror 116  and a rotating mirror prism 120 to scan the element 110. The variably polarized light from element 110 is analysed 134 and sensed at 140 as  a negative or positive of the stored pattern, depending on the relative disposition of analyser 134 and the original polarization plane of the laser light. When using Pockels device in which the slow and fast axis of each crystallite are misaligned with respect to those axes in every other crystallite, a quater wave plate 144 provides circularly polarized light, and this also gives small changes in the analyser output which are essentially linearly related to changes in retardation caused by the element 110, Fig. 11 (not shown). A further quarter wave plate 152 compensates for plate 144. For parallel readout, Fig. 12 (not shown), the whole element 110 is simultaneously illuminated and the transmitted analysed light is received on an image storage tube for subsequent serial read-out. The analyser 134 may be replaced by, e.g. a Glan, Glan-Thompson, or Rockon prism, for resolving the output from element 110 into two polarization components directed in different directions, and outputs from two corresponding sensors are fed to a differencing amplifier to provide an output representing the light-dark pattern stored in the element 110, Fig. 13 (not shown). The read-out radiation may have an energy such that the electret is not discharged thereby.
Patent GB-334532-A (GB)
Title: Improvements in or relating to cinematographs
IPC: G03B21/32
Filed: 1929-05-30
Abstract: 334,532. Knudsen, H. May 30, 1929. Kinematograph apparatus; opticalprojection apparatus. -A kinematograph projector comprises a lens 11, Figs. 1 and 2, rotary shutter 13, a gate and intermittent driving gear assembly 14 a lamp 16, a continuous film feed mechanism 29, 30 and a film carrying spool together with a film winding spool 65 arranged one behind the other, the moving parts being connected to a common driving means and with the exception of the film carrying spool being connected with a common shaft 21 upon which the shutter 13 is mounted. The mechanisms are all carried by a partition 32 separating the apparatus from the motor unit 47. The gate and intermittent feed are mounted in one unit the intermittent feed comprising a sprocket 38 on the shaft of an eight armed Maltese cross 69, Fig. 3, driven by a pin wheel 71 carried by a shaft 24 which drives the main shaft through skew gear 22, 23. The continuous feed comprises sprockets 29, 30 driven by skew gear 27, Fig. 5, from the shaft 21. The film spools 19, 20 are mounted on a common shaft driven by belting 34 from the sprocket shaft 26. The spools 19, 20 are held on the shaft by jaws 37, 38, Fig. 7, having overhanging edges 39, 40 maintained closed by springs 42 and opened by a hand lever 43. The apparatus may be combined with a gramophone in which case a motor 47 drives a gramophone turntable shaft 54 and governor 60 through skew gearing 52, and also the kinematograph mechanism through gearing 49 a clutch 51 being interposed so that the gramophone may be used separately when desired. A fan 61 on the motor shaft 48 ventilates the lantern 16.
Patent GB-222211-A (GB)
Title: Improvements in radio transmitting systems
IPC: H04B1/04
Filed: 1923-06-27
Abstract: 222,211. Eckersley, T. L. June 27, 1923. Harmonics, absorbing; thermionic modulating systems; filter circuits.-In a wireless transmitter in which a filter circuit F is interposed between the valve 1 and aerial 5 for the purpose of eliminating harmonics, undesired oscillations due to adventitious reaction between the filter elements and the valve are checked by coupling a circuit L<1>. C<1>, tuned to the fundamental, to the output coil 2 of the valve and coupling, or connecting it to the input coil 3 of the filter. In the filter circuit shown, the first and last inductance coils have half the inductance of the intermediate coils, the actual values and those of the capacities being selected according to conditions prescribed in the Specification; or the end inductances mav be omitted, the end capacities being double the intermediate capacities; or the coils 6 may be arranged alternately in the lines a and b. The key may be so arranged that oscillations after passing through the filter can be sent alternately through the aerial tuning inductance, or through a resistance (not shown) which takes the place of the A.T.I. and constitutes an equivalent load for the generator.
Patent GB-110434-A (GB)
Title: Improvements in the Manufacture of the Chisel Shaped Ends of Spikes and the like.
Inventor: WILLIAMS WILLIAM
IPC: B21K1/72
Filed: 1916-11-23
Abstract: 110,434. Williams, W., and Guest, J. Nov. 23, 1916. Forging-dies.-One of a pair of dies for making the points of spikes &c., has a recess a<2> and the other a projection b<1> which enters it. The projection and recess are inclined in opposite directions. In the closed position, a portion of the projection b' enters the recess at the open end of the dies. In using circular or other section rods or bars, the entrance end in the lower die is correspondingly shaped.
Patent GB-1092752-A (GB)
Title: Process for the manufacture of refractory magnesia-chrome and chrome-magnesia bricks
IPC: C04B35/01
Filed: 1965-04-21
Abstract: Refractory magnesia-chrome or chrome-magnesia bricks or masses are produced from substances containing chromium oxide having a particle size of 0-6 mm., at least 65% being greater than 0.12 mm., and compounds yielding magnesia on burning having a particle size less than 0.12 mm. by sintering the mixture at 1700 DEG  C., at least, without melting and granulating and shaping the sintered material, the sintered material containing at most 5.5% silica, and having a molar lime-silica ratio of at most 0.6.  Preferably chrome ore and crude magnesite are used, the chrome ore containing 3-7% silica and the magnesite 0.5-2.5% lime, and being used in proportions such that the sintered material contains 5-40% Cr2O3.  The sinter may be granulated to give 60-80% greater than 0.12 mm., and 40-20% 0-0.12 mm., mixed with 75% of a sintered magnesia, referred to the resulting mixture, and shaped into bricks for use in burnt or unburnt condition. Saturated kieserite solution or sulphite liquor may be used as binder in the shaping steps.
Patent GB-528028-A (GB)
Title: Button fastener
IPC: A44B1/28
Filed: 1939-06-08
Abstract: 528,028. Button fasteners. KORS, H. F., BROOMELL, F. J., and TURK, E. W. June 8, 1939, No. 16827. [Class 43] A fastener, Fig 1, for buttons, emblems and the like attachments to garments comprises a pointed staple 14, Fig. 2, formed of spring wire of small cross-section to pass easily through fabric 13 and be releasably held in retainer 11 by a sliding keeper 16. The staple may be passed through a button 12 or may be rigid with the button. A two-pronged staple is preferred, but a single one may be used. The prongs are crimped at 20, Fig. 1, and are locked by engagement with notches 24, Fig. 5, in the keeper 16, and abutments 21 in the retaining member 11. The keeper can be released by end pressure on a part b. The ends of the prongs are made to engage a groove in the base of the retainer 11. In a modification, the prongs are outwardly crimped at 20 instead of inwardly and the retainer 11 is correspondingly pressed outwardly. The keeper and retainer can be stamped from sheet metal.
Patent GB-990051-A (GB)
Title: Improvements in or relating to ferro-concrete building work mesh reinforcementments
IPC: E04C5/04
Filed: 1961-05-09
Abstract: 990,051. Metallic fabrics. B. K. SUSEMIHL, and B. K. S. KORF, [trading as BAU-INGENIEURBURO DIPL. ING. KAISER]. May 9, 1961 [May 10, 1960], No. 16838/61. Heading D1K. Welded metallic mesh reinforcement for concrete has the longitudinal bars at the two edges modified so that on overlapping one section by another the cross-sectional area of the reinforcement is not increased. As shown the outermost bars a 1 , b 1 are the same as the evenly spaced longitudinal bars a 4 , b 4  respectively of two sections of reinforcing mesh. The bars a 2 , a 3  and b 2 , b 3  adjacent the outer bars a 1 , b 1  are of a reduced section. Three or more bars of reduced section may be provided.
Patent GB-671802-A (GB)
Title: Improvements in and relating to magnetic iron cores
IPC: H01F1/24
Filed: 1950-07-06
Abstract: 671,802. Powdered magnetic cores. BRITISH THOMSON-HOUSTON CO., Ltd. July 6, 1950 [July 20, 1949], No. 16923/50. Class 38 (ii). A powdered core comprising magnetic particles insulated with lead-chromate and held together by a synthetic resin binder is made by mixing carbonyl iron powder in a lead-acetate solution, stirring into sodium dichromate solution to precipitate lead chromate on the particles, washing with water and alcohol, mixing the powder with a phenol condensation product, heating to cause partial polymerization, crumbling and powdering the resultant mass, shaping under pressure without heat and heating without pressure to complete polymerization. A wetting agent may be added in the first step.
Patent GB-334548-A (GB)
Title: An improved binder for training plants
IPC: A01G17/08
Filed: 1929-06-04
Abstract: 334,548. Weber, O. June 4. 1929. Plants, supporting and training.-A binder for vines, wall fruit, &c., consists of a smooth pliable metal strip 1 having rounded edges, the strip being merely bent by hand around the plant and its support with the flat side against them. A long strip or ribbon may be notched, or may have its cross-section reduced, at regular intervals, as shown in Fig. 5, to facilitate subdivision. The strips may be manufactured by rolling and flattening round wire made of galvanized iron, zinc, aluminium, &c. A strip may be bent or wound around a plant and a. vertical support in such a manner as to form a C-shaped, spiral, or other binder. It may be crossed between the plant and the support. It may also be bent in various ways around a plant and a horizontal support. Reference has been directed by the Comptroller to Specifications 6207/87, 14052/02, 5748/04, and 4001/08.