baber/WOPTO huggingface dataset:
Patent GB-899234-A (GB)
Title: Improvements in or relating to optical combining arrangements
Inventor: CLEAVER RICHARD FRANCIS
IPC: G01R13/28
Filed: 1959-06-09
Abstract: 899,234. Radio navigation. STANDARD TELEPHONES & CABLES Ltd. June 9, 1959, No. 19696/59. Class 40(7). [Also in Groups XIX and XX]  In an arrangement for optically combining the indications of a plurality of indicators as images in one given plane, comprising a corresponding number of plane partially transparent mirrors arranged behind one another on an optical axis normal to the given plane, the reflection coefficients of successive mirrors are so graded that the brightness of each of the images is substantially the same proportion of the brightness of the corresponding indication. Cathode-ray tubes (C.R.T.s) 1..5 display aircraft bearings relative to ground D/F stations and transparent plate 6 bears a map 7 comprising transparent lines on an opaque background. Corresponding mirrors 11 . . 15 with reflection coefficients 1 /(r+ 1), where r is the number of the mirror from plate 6, are provided and the composite display is viewed through a telescope 16 or by a television camera, Fig. 2 (not shown). The mirrors may be films of transparent thermoplastic material stretched on frames and silvered on their front surfaces and with bloomed back surfaces. One C.R.T. may reproduce an adjustable marker and another may be a long-persistence tube reproducing a radar plan-position indication. In a modification the C.R.T. screen images are centred on corresponding circular scales which replace the map on plate 6. A further C.R.T. display may replace the plate; and the C.R.T. indicators may be replaced by illuminated pointer instruments.
Patent GB-1109125-A (GB)
Title: Cassette for storing sound support tape
IPC: G11B23/107
Filed: 1965-05-10
Abstract: 1,109,125. Cassette / slide construction. USINES GUSTAVE STAAR S.A. 10 May, 1965 [11 May, 1964], No. 19708/65. Heading G5. [Also in Division G2] Means for securing a cassette 2 for storing a sound support tape to a photographic slide frame 1 in accurate juxtaposed relationship comprises a groove 6 formed in one edge of the cassette which accepts an edge portion of the slide frame, a cut-away portion 71 in the cantre of one wall of the groove and a raised rib 7 on the opposite wall which engages an aperture 8 on the slide frame as the latter is pushed fully home into the groove. In a second arrangement the cassette and slide frame are secured by glue, the relative position being registered by, e.g. pins on the cassette engaging holes in the slide or by the edges of the overlapping portion of the slide engaging raised ribs on the cassette. The combined slide and cassette can be used in the slide projector/tape recorder described in Specification 1,109,126.
Patent GB-487217-A (GB)
Title: Improvements in or relating to apparatus for heating and circulating air
IPC: F24B1/188
Filed: 1937-07-14
Abstract: 487,217. Heating air. STEWART, W. A..Jul<y> 14, 1937, No. 1<)80))/3G. [Class 64 (i)] An air-heater fitted in a domestic or like firegrate consists of a cast metal box 1 forming the base of the grate and inclined rectangular side chambers 2, secured to the top of the box and provided with inclined baffle plates 4. A support 5 for a boiler is cast on or secured to the rear of the box 1, and side and rear plates 7 are fitted in the fire space to support the grate. The side chambers are stayed apart by an inclined back plate.
Patent GB-530965-A (GB)
Title: Improvements in and relating to flexible joints for conduits
IPC: F16L27/04
Filed: 1939-07-07
Abstract: 530,965. Pipe joints. BRITISH THOMSON-HOUSTON CO., Ltd. July 7, 1939, No. 19868. Convention date, July 7, 1938. [Class 99 (i)] A flexible joint comprises a ring 17 having an inner cylindrical surface in contact with a grooved sealing surface on one pipe end and an outer spherical surface engaging the inner spherical surface of a member 20 connected to the pipe end 10. In one form the member 20 comprises a thin sleeve spun over the ring 17 and over a ball surface 14 on the pipe 10. In another form the outer sleeve 38, Fig. 2, comprises two portions having bolted flanges 42, 43, and a flange 39 on the sleeve is held with radial clearance between collars 29, 30 on the pipe 25.
Patent GB-186473-A (GB)
Title: An adjustable stand for holding brazing lamps, blow lamps or such like heating apparatus
IPC: F21L19/00
Filed: 1921-07-25
Abstract: 186,473. Linwood, A. July 25, 1921. Pedestal, pillar, and like stands; stand heads. -In an adjustable stand for blow lamps or the like, the lamp is trunnioned in a fork member 8, rotatably mounted in a stem 3 which is vertically adjustable in a tripod 1. The trunnions are provided at opposite sides of a split band 11 adapted to clamp the lamp by means of a screw 13, one of the trunnions having a screwed end to receive a wing-nut 14 for locking the lamp in the adjusted position about a horizontal axis. The fork member 8 is secured in position about a vertical axis by means of a screw passing through the wall of a hollow boss 6 at the base of the fork and engaging an annular groove in the stem 3 whilst the lamp is secured at the desired height by a screw 4 in the head of the tripod. To ensure stability of the device, a weight may be attached to the lower end of the stem 3 by means of a hook engaging the hole 16. A tray for the reception of tools may be provided at the head of the tripod. In a modified form of lamp-clamping band, Fig. @, the adjusting screw 13 engages short lengths of rod 15 disposed within the looped ends of the band 11.
Patent GB-630941-A (GB)
Title: Driving mechanism
IPC: G03B21/43
Filed: 1947-07-24
Abstract: 630,941. Displaying. WILLIAMSON, S. July 24, 1947, No. 19910. [Class 3(i)] [Also in Groups XX and XXIV] In mechanism in which a common member drives two members alternatively and changes over automatically from one to the other when the torque exceeds a predetermined value, a driving shaft 1, which drives either wheel 8 or 9 through gears 4, 5 freely carries a lever 7 on which the gear 5 is mounted. The lever 7 has a bevelled edge 11 engaged by a nose 12 on a spring-held lever 13. On overload, lever 13 yields and lever 7 pivots about shaft 1. As gear 5 comes out of contact with wheel 8 and idler pinion 17a meshing a gear 17 fast with the gear 5 and carried by lever 7 engages the teeth of a fixed mutilated gear 18 to turn the lever 7 until gear 5 meshes with the gear wheel 9. A nose 19 on lever 7 then engages the nose 12 until overload again occurs. Wheel 9 is geared to a wheel 10 which is thus driven in a reverse direction from wheel 8. The axles of these two wheels may carry spools for driving an endless band backwards and forwards. In a modification the gears 17, 17a, are omitted and the mutilated wheel 18, is replaced by two parts of an internally toothed annulus. The invention is applicable to kinematograph projectors, for advertising purposes, and for types of film processing apparatus.
Patent GB-1443386-A (GB)
Title: Photographic element
IPC: G03C1/30
Filed: 1974-05-07
Abstract: 1443386 Hardening colloid layers in photographic elements EASTMAN KODAK CO 7 May 1974 [7 May 1973 (3)] 20063/74 Heading G2C Hydrophilic colloid layers, e.g. of gelatine, in photographic elements are hardened by the addition of either (1) diacrylamide and 1,7-dichloro-3,3,5,5- tetraoxo-3,5-dithia heptane (i.e. bis (#-chloroethylsulphonyl)-methane) or (2) an acrylic hardener such as diacrylamide, N-methacryloyl-acrylamide or N,N'-diacryloylurea, or formaldehyde, and bis (vinylsulphonylmethyl) ether to the coating composition for the layer or by contacting a formed layer with a solution containing the said hardeners, the weight ratio of the two hardeners in each hardener mixture being from 5:1 to 1:5. The photographic element may be a black and white or colour material and may be a silver salt diffusion element and the layer may be a silver halide emulsion layer. The hardener combinations exhibit reduced afterhardening effects.
Patent GB-224009-A (GB)
Title: Improvements in or relating to the tines of side delivery rakes, swath turners or like machines
IPC: A01D80/00
Filed: 1923-08-07
Abstract: 224,009. Bamford, J., and Bamford, C. J. Aug. 7, 1923. Haymaking.-To reduce the duration of vibrating of tines of side-delivery rakes, swathturners and like machines each tine 1 is formed at its upper - end into a coil 2 that is clamped under compression between a washer 5 and the rake-bar 4 by a bolt 3. The bolt 3 may have the under side of its head rounded to permit rocking, and clearance 7 is provided in the rake-bar 4 for the same purpose. The bolt may be in two parts hooked together to facilitate the movement of the tine. To prevent the tine moving round the bolt the upper end of the coil passes through a hole in a washer 30 having lips 31 bent upwards to engage the rake-bar. In a modification the tine is formed at its upper end with one lip which is held against the rake-bar by a separate spring under compression. In further modifications the clamping spring bears against the rake bar and holds the loop of the tine against a flange ,on a sleeve surrounding a securing bolt or against the lower end of a hollow casing respectively. Two tines formed of a single length of material may be mounted as above described, the eve or the flange being formed at the junction of the tines
Patent GB-799238-A (GB)
Title: Water-tight metal lining for walls, especially for ships and cool chambers
IPC: B63B3/68
Filed: 1956-06-29
Abstract: 799,238. Wall linings. IMPERIAL. CHEMICAL INDUSTRIES, Ltd. June 29, 1956 [June 29, 1955], No. 20196/56. Class 20 (A) [Also in Group XXXIII] A .metal lining .system for walls, -.such as of refrigerator chambers, comprises a number of individual sheets and profiled support bars 1 wherein each sheet is in rn its . entire r 4 with the bars -1 which frame the sheet and lie between the sheet and the adjacent wall 11, the sheet being clamped, with the interposition of resilient sealing material 3, between the bars-1 and covering strips 5 by fastening means 6, 7 which engage the bars 1 without piercing them. The bars 1 are formed with channels 2 in which the inturned edges 4 of the sheets engage and a central channel 8 with a narrowed aperture through which bolts 6 are passed to be engaged by nuts 7 which engage the walls of the channel 8 so as to be non- rotatable. The bolts 6 may also retain other equipment such as the U-section bar 9 which acts as a support rail for a partition. The remaining space 10 of the channels 2 may be filled wth pitch or putty. The bars 1 are mounted in recesses in the wall 11 by means of flanges 12 held by screws 13. A bar and covering strip for fitting in to a corner are also shown, and where bars cross each other, one bar ex-  tends ,through the crossing and separate bars are welded or screwed to its sides. the outer walls of ahe channels 2 of .that bar being cut away at the entrance to the channels 2 of the other bars and the sealing material 3 made continuous.
Patent GB-1070361-A (GB)
Title: Apparatus for electrolytically removing copper and other impurity metals from nickel plating baths
IPC: C25D21/18
Filed: 1964-05-15
Abstract: Apparatus for electrolytically separating from a nickel plating electrolyte copper and other metals more electropositive than nickel such as lead, antimony, bismuth, silver, mercury, comprises a stationary nickel anode secured in a support frame and a cathode disc rotatably mounted in the frame and coupled to a driving motor.  The anode may comprise two horizontal spaced fixed discs between which a horizontal cathode disc rotates and the support frame, which may be of polymethylonethacrylate or polyvinylchloride, may be arranged to be fully immersed in a container for the electrolyte, e.g. suspended from the plating tank.
Patent GB-650416-A (GB)
Title: Improvements in or relating to bolts or locking bars
IPC: E05C1/04
Filed: 1948-07-30
Abstract: 650,416. Sliding bolts. ASH, J., ROGERS, A., and ROGERS, A. L. July 30, 1948, No. 20295. [Class 44] In a door fastening device in which a bolt 1, Fig. 1, slides in a guide fitting 2 on the door to engage a catch 5 on the frame, the catch is trough-shaped and engages over the guide fitting to counteract lateral distortion of the woodwork. In the embodiment shown the catch 5 comprises a mounting plate 6 from which a V-shaped socket 7 projects having inturned lugs 8 at its upper end. The bolt 1 is triangular in cross section and slides in a guide 2 formed with a similar section by a flat plate 3, Fig. 2, and a trough-shaped one 4. On closing the door, the socket 7 slides on guide 2 to counteract lateral distortion of the door or jamb, whilst if the fittings are secured to the lower edge of the door, a bevelled edge 10 on guide 2 coacts with the edge 11 of lugs 8 to lift the door if the hinges have dropped. A bevel 12 on the end of bar 1 assists in closing the door by engaging the edge 11 and a second bevel 13 is provided for coacting with the catch 5.
Patent GB-230717-A (GB)
Title: Improved retarding means for oscillating toys and advertising devices
IPC: A63H33/00
Filed: 1924-08-28
Abstract: 230,717. Hagen, R. Aug. 28, 1924. Mechanical and like toys.-A toy or advertising device comprises a figure d mounted to rotate in a frame a under the influence of a twisted rubber band g, the rotation being interrupted each half turn by the winding of threads i, with weights k, round vertical pillars c. The figure is freed when the threads, which may be of different lengths and carry different weights, happen to be unwound at the same instant.
Patent GB-839097-A (GB)
Title: Improvements relating to printing machines
IPC: B41L45/02
Filed: 1958-06-25
Abstract: 839,097. Printing-machines. ADDRESSOGRAPH MULTIGRAPH CORPORATION. July, 25, 1958 [July 17, 1957], No. 20402/58. Class 100(2) A printing machine comprises a base 22, Fig. 6, a pair of resilient cantilever arms 70, 71 fixed to the base and extending therefrom in spaced relation to each other, a printing anvil 62 supported by the cantilever arms in spaced relation to the base for supporting a printing plate in position for engagement with one side of a sheet to be printed, a platen roller 35, means for moving the platen roller in pressure contact across the opposite side of the sheet to print the sheet in accordance with a relief design on the printing device, and a guide member mounted intermediate the cantilever arms 70, 71 for maintaining the base parallel to the base and platen. As shown, the arms 70, 71 of clock spring steel are secured to a shoulder 80 of the base 22 by screws 81 and nuts 83. The guide member 72 comprises a stud 73 fixed to the anvil 62, a flange 75 on the stud 73 clamping the arm 70 against a bush 79. The arm 71 is clamped between the bush 79 and a spacer 78 by a nut 77. The bush 79 is slidable in a guide member 84 forming part of the base 22. A guide stud 90 pressed upwardly by a spring 97 and guided vertically in the member 84 determines the initial height of the anvil 62, the level of the stud being adjustable by a nut 95. Due to the resilient mounting of the' anvil 62 printing plates 52 (Fig. 2, not shown), as described in Specification 820,840, of different thickness may be accommodated between the anvil and platen roller 35, such that the platen exerts equal printing pressure thereon. An additional anvil 65, Fig. 5, for printing repetitive matter is mounted in the same manner as the anvil 62 by resilient arms 100, except that the force exerted by a spring, the equivalent of spring 97 may be adjusted independently of a pin 111 (Fig. 9, not shown), for varying the height of the anvil 65. A dating wheel 64, Fig: 6, is mounted in a bracket 124 supported in a leaf spring 120 mounted in the base 22. The platen -roller 35, Fig. 4, which may be an ink-impregnated roller is mounted in a frame 37 on a pair of levers 42 pivoted to a pin 43, the lever being urged to the left-by a spring 44. The roller 35, guided in slots 41 is actuated across a sheet laid on a printing plate on the anvil 62, the anvil 65, and the dating wheel 64 by a handle 48 connected to the lever 42 by a link 47 to print the sheet. In a modification, the impression may be made visible by carbon paper or an inked ribbon. In a further modification, (Fig. 12, not shown) the anvils 162, 165 extend transversely of the roller 35.
Patent GB-1395641-A (GB)
Title: 2-anilino-benzoxazoles
IPC: C07D263/58
Filed: 1972-05-03
Abstract: 1395641 2 - Anilinobenzoxazoles ELI LILLY & CO 3 May 1972 [4 May 1971 18 Oct 1971] 20471/72 Heading C2C Novel 2-anilinobenzoxazoles of the general formula wherein X is a hydrogen atom or a C 1-4  alkyl, phenyl-C 1-3  alkyl, C 1-3  alkoxy, carboxy, carboxy- C 1-3  alkyl, carbanilino, amino-C 1-3  alkyl, mono- or di-C 1-3  alkylamino-C 1-3  alkyl, C 1-3  alkoxy-C 1-3  alkyl, C 1-3  alkylthio, C 1-3  alkylsulphonyl or anilino-C 1-3  alkyl, each of R 1 , R 2 , R 3  and R 4  is a hydrogen, bromine, chlorine or fluorine atom or a trifluoromethyl, C 1-3  alkylthio, C 1-3  alkylsulphonyl, C 1-3  alkyl, carboxy, C 2-4  alkoxycarbonyl, C 1-3  alkoxy, C 1-3  alkoxy-C 1-3  alkyl, phenyl or nitro group, provided that (a) when three of R 1 , R 2 , R 3  and R 4  are hydrogen atoms, the other is a trifluoromethyl, carboxy, carboxy- C 1-3  alkyl, C 1-3  alkoxy-C 1-3  alkyl, C 2-4  alkoxycarbonyl, C 1-3  alkylthio, C 1-3  alkylsulphonyl or phenyl group; (b) when two of R 1 , R 2 , R 3  and R 4  are hydrogen atoms, the others are selected from bromine, chlorine and fluorine atoms and trifluoromethyl, carboxy, C 1-3  alkyl, carboxy- C 1-3  alkyl, C 1-3  alkoxy, C 2-4  alkoxycarbonyl, C 1-3  alkylthio, C 1-3  alkylsulphonyl, phenyl and nitro groups, with the additional limitation that the others are not both phenyl groups or nitro groups; (c) when all of R 1 , R 2 , R 3  and R 4  are hydrogen atoms, X is not a hydrogen atom; and (d) no more than two of R 1 , R 2 , R 3  and R 4  are other than a hydrogen atom, are prepared (i) by reacting 2-chlorobenzoxazole with an aniline of the general formula (ii) when X is other than a hydrogen atom, by reacting the product of (i) wherein X is a hydrogen atom with a halide of the general formula X-halogen (X is other than a hydrogen atom) in the presence of a solution of sodium hydride in a dry solvent; and (iii) when X is a carbanilino group, by reacting the product of (i) wherein X is a hydrogen atom with phenyl isocyanate in tetrahydrofuran. N - n - Butyl - 4 - chloro - 3 - trifluoromethylaniline is prepared by reacting benzoyl chloride with p-chloro-m-trifluoromethyl-aniline, treating the resulting 4<SP>1</SP>-chloro-3<SP>1</SP>-trifluoromethylbenzanilide with sodium hydride and n-butyl bromide and hydrolysing the resulting N-nbutyl - 4<SP>1</SP> - chloro - 3<SP>1</SP> - trifluoromethyl - benzanilide with aqueous-alcoholic NaOH. 2 - (N - Ethoxycarbonylmethyl - 4 - chloro - 3- trifluoromethylanilino)benzoxazole is prepared by reacting 2 - (4 - chloro - 3 - trifluoromethylanilino)benzoxazole with sodium hydride and ethyl bromoacetate. Pharmaceutical and veterinary compositions having immunosuppressant and, in certain cases, antifertility activity comprise, as active ingredient, a 2-anilinobenzoxazole of the first general formula above, in association with a pharmaceutically or veterinarially acceptable carrier therefor. Certain known 2-anilinobenzoxazoles of the first general formula above (without all the provisos) may also be administered to female animals for the purpose of contraception.
Patent GB-480782-A (GB)
Title: An improved apparatus for making paper
IPC: D21F1/18
Filed: 1936-07-24
Abstract: 480,782. Vibrating - mechanism for paper machines. SUBMARINE SIGNAL CO. July 24, 1936, No. 20551. Convention date, Aug. 1, 1935. [Class 96] [Also in Groups XXIV and XXXV] A two-mass resonant system for vibrating the wire of a Fourdrinier paper machine is so constituted that one of the vibrating masses is the effective mass of the machine and the other is any mass element constituting a part of the machine or specially provided for the purpose of establishing the resonant system and capable of independent movement in the direction of vibration, and further is elastically coupled to the first mass by an elastic element dimensioned to produce resonance at the desired frequency of vibration, the vibrational energy being applied between the said vibrating masses; in particular the effective mass of the Fourdrinier machine includes a roller over which the wire passes, and the other mass is fixed to the shaft for the roller, both shaft and roller being freely vibratable relatively to one another. Thus, in the form shown in Fig. 1, the parts constituted by an electromagnet 59 and a cone-shaped armature 78 form one mass of the system, while the co-operating and similar parts, namely, an electromagnet 75 and armature 56, the whole being connected to the roller 42, comprise the other mass ; the two masses are themselves connected resiliently by a coil spring 71, and electric current at an appropriate frequency is supplied to the electromagnets which are connected in series, through slip rings 96. With this arrangement the vibration is axial. In another system shown in Figs. 5 and 6, the vibration is longitudinal with respect to the wire ; and in this form there is mounted within the roller 100 an electromagnet 109 having four poles 104 .. 107, and a heavy body 115 supported on a sleeve 112 and connected to the appropriately wound armature 121, the body being also connected to the roller by a helical spring 117 ; the sleeve freely turns on the shaft 110 of the roller. In the form in which the masses are connected in such a manner as to permit axial vibrations, the elastic member connecting them may consist of two oil chambers joined by a portion in which works in a fluidtight manner a piston carried by a rod connecting the two masses. The Specification as open to inspection under Sect. 91 includes also a modification in which one mass is attached to the roller and the other to the roller-shaft which is extended beyond its supporting bearing and set in vibration by a crank or eccentric. This subject-matter does appear in the Specification as accepted.
Patent GB-710655-A (GB)
Title: Improvements in or relating to tea and like trolleys
Inventor: SNOWMAN EZRA
IPC: A47B31/00
Filed: 1951-08-31
Abstract: 710,655. Multi-deck stands. SNOWMAN, Ltd., E. June 19, 1952 [Aug. 31, 1951], No. 20567/51. Class 52(3) A trolley comprises a frame unit provided with a fixed platform t and legs a having grooves f, m, i to receive tongues n, o, h on an occasional table unit p and a tray g. The grooves are so spaced that the table unit and the tray unit can be associated in a variety of positions with the frame unit. The table may be nested within the frame unit in an inverted position to serve as the lower shelf of the trolley, the tongues n, o engaging respectively in the grooves i, m. In a modification the upper portion of the. legs of the frame unit may be so shaped that either the tray or the occasional table unit may be lowered vertically into position.