baber/WOPTO huggingface dataset:
Patent GB-800864-A (GB)
Title: Improvements in or relating to mining machines
Inventor: COLLINS HENRY EDWARD
IPC: E21C25/58
Filed: 1955-08-02
Abstract: 800,864. Mineral-mining apparatus. COAL INDUSTRY (PATENTS), Ltd. July 30, 1956 [Aug. 2, 1955], No. 22163/55. Class 68(1) A mineral-mining machine for stall and pillar mining comprises a carriage 17 that can travel along a mine roadway, a frame' 21 so mounted on the carriage that it can be reciprocated in a direction at right angles to the movement of the carriage, at least two interconnected parallel push rods detachably secured to the frame and formed of interconnected sections 27 so as to be of variable length, and a closed loop cutting head detachably seured to the ends of the rods remote from the frame. The head comprises a frame on which is mounted two pilot drills 1 associated with mushroom-shaped cutters, an endless chain cutter 4. Spring-loaded blocks 15 mounted on the frame engage the bore being excavated to guide the head therein. A scraper chain conveyer 12 of fixed length is secured to and advances with the head to receive and deliver disintegrated mineral from guide surfaces 13 in the head to an endless belt conveyer 34, that advances and withdraws in step with the head.
Patent GB-785930-A (GB)
Title: Thermosetting etherified resins
Inventor: WHITNEY JOHN EDWARD SEAGER
IPC: C08G59/08
Filed: 1953-08-12
Abstract: An etherified thermosetting resin is produced by condensing 1 mol. of a reactive monohydric phenol with 0.5-0.75 mol. of formaldehyde at a temperature above 80 DEG  C. and in the presence of 1/200 -\ba1/10 of an equivalent of alkaline condensing agent (based on the phenol) until substantially all the formaldehyde has condensed and thereafter etherifying the condensate in an alkaline medium at a temperature not above 100 DEG  C. with an amount of epihalogenhydrin or dihalogenhydrin in excess of the amount equivalent to the phenolic hydroxyl groups in the reaction mixture.  A list of suitable phenols is given. Phenol or m-cresol is preferred.  Aqueous formalin or paraformaldehyde may be used.  Preferred alkaline catalysts are alkali or alkaline earth metal or ammonium hydroxides. Etherification may be arrested by neutralization of the alkaline medium and/or by separation of the etherified product.  Completely etherified products usually separate from aqueous media and may be dehydrated and purified by distillation, e.g. azeotropic at atmospheric or reduced pressure.  The products which may be soluble in "Cellosolve" (Registered Trade Mark), dioxan or cyclohexanone have low viscosities and are particularly useful for glass fibre laminates.  They may be cured by heating with conventional catalysts, e.g. weak acids, triethylamine, pyridine, piperidine, ethylene diamine, diethylaminoethylamine, b -dimethylaminopropionitrile dicyandiamide, or benzyldimethylamine.  Detailed examples are given of the preparation of ethers from phenol-formaldehyde condensates and epichlorhydrin and of their use as casting resins, as adhesives for metal, and for preparing glass fabric laminates.  Belgian Specification 503,549 is referred to.
Patent GB-332062-A (GB)
Title: Improvements relating to calculating machines
IPC: G06F7/46
Filed: 1929-07-19
Abstract: 332,062. Tauschek, G. July 19, 1929. Multiplying-apparatus.-In a machine with a laterally movable totalizer carriage the multiplication process is effected automatically according to the digits of the previously set multiplier factor through an electrical circuit arrangement including adjustable contact devices controlling the rotations of the main shaft and the carriage shift mechanism. As shown in Fig. 1 the machine comprises a multiplicand setting mechanism, 1 and a multiplier setting means 2 the latter being represented as slides 3, Fig. 2, with toothed racks engaging pinions 4. Each pinion 4 carries a contact 5, which in the normal zero position of the slides, engages a contact 6, the contact 6 being pressed into engagement therewith by a stop 8 on a ratchet wheel 7. The contacts 5 as shown in Fig. 4 are electrically connected to contact plates 9, the left hand plate being connected to the units denomination contact and so on. The contact plates 9 are formed of two parts and the second part of each plate is connected to a corresponding electromagnet 21 adapted to actuate the ratchet wheels 7. The contacts 6 are connected over a relay 12 to a starting switch 13 and the armature 14 of the relay co-operates with one or other of a pair of contacts in circuit respectively with an electromagnet 15 adapted to operate the carriage shift mechanism and with an electromagnet 17 adapted to operate the clutch 23 to connect the motor shaft 24 to the main shaft 19. The two part contacts 9 are engaged by a contact member 11 on the carriage of the machine, and the shafts 19,24 are provided with cam, members 18, 25 to close momentarily contacts 20, 16 in the circuits of the electromagnets 21, 15 respectively. After setting the factors, in which operation the contacts 5 have been displaced with respect to the contacts 6, the switch 13 is closed and current flows through the magnet 17 to drive the shaft 19. At each revolution the units denomination magnet. 21 is energized to rotate the ratchet wheel 7 and advance the contact 6 until it again meets the set contact 5 whereupon the magnet 12 is energized and prepares a circuit through the magnet 15 which circuit is completed when the contacts 16 are closed, thus causing a step movement of the carriage. The process is repeated in each denomination until the carriage reaches the end of its travel at which position the contact 11 opens the switch 13. The slides 3 may be reset at the end of an operation by freeing them from the pinions 4 or by means adapted to free the pawls 22 and return the pinions 4 and ratchet wheels 7.
Patent GB-752169-A (GB)
Title: Improvements in or relating to lease rods for thread crossing
IPC: D03D49/06
Filed: 1954-07-30
Abstract: 752,169. Lease rods. KOEFOED, HAUBERG, MARSTRAND OG HELWEG, AKTIESELAKABET TITAN. July 30, 1954 [Aug. 12, 1953], No. 22325/54. Class 142 (1). Lease rods 2 have a cross-section of uniform thickness bent or curved to make them rigid and to provide a channel in which the thread separators 4, 5 of a warp-tying or other machine can operate. The rods may be S-shaped so as to present a channel in both top and bottom.
Patent GB-1245032-A (GB)
Title: Photographic silver halide development
Inventor: WOOD HENRY WALTER
IPC: G03C5/305
Filed: 1969-05-01
Abstract: 1,245,032. Photographic silver halide development. ILFORD Ltd. April 29, 1970 [May 1, 1969], No.22353/69. Heading G2C. A process of developing a silver halide material comprises treatment with a photographic silver halide developer containing a water soluble homopolymer of a compound of the formula: (CH 2  = CH - CH 2  ) 2 N<SP>+</SP>R 2 R 1  X<SP>-</SP> wherein R 1  and R 2  are each H or alkyl and X<SP>-</SP> is an anion, or a water soluble copolymer thereof with up to 10% by weight of other ethylenically unsaturated monomers. R 1  and R 2  are preferably alkyl groups. The ethylenically unsaturated monomer may be vinyl pyrrolidone. The homopolymers or copolymers may be cross-linked by compounds having two double bonds such as methylenebisacrylamide. These polymers are development accelerators. U.K. patent Specification No.1,212,132 describes and claims these polymers in silver halide materials.
Patent GB-794838-A (GB)
Title: Improvements in or relating to straight-bar knitting machines
IPC: D04B15/64
Filed: 1955-08-04
Abstract: 794,838. Knitting-machines. MONK (SUTTON IN ASHFIELD), Ltd., S. A., and MONK, S. A. Oct. 1, 1956 [Aug. 4, 1955], No. 22378/55. Drawings to Specification. Class 74 (2). The thread carrier bars of a straight-bar machine are driven from the draw lever through rack-and-pinion mechanism, there being a pinion engaging a rack on each carrier bar, and each pinion being selectively coupled through a magnetic clutch to another pinion driven by a ratchet-bar. The ratchet bar may be driven from the tie-bar of the machine or through chain draw mechanism. The actuation of the clutches to determine which carrier bar is operative is effected by a pattern chain on the machine.
Patent GB-359554-A (GB)
Title: Improvements in and relating to document files
IPC: B42F13/36
Filed: 1930-07-25
Abstract: 359,554. Filing papers. KINSKY, C., 24, Minories, London. July 25, 1930, No. 22446. [Class 146 (i).] The fixed posts a of a lever-arch file a, b are provided with a series of notches, indentations, or the like c adapted to be engaged by spring wires on a compresser bar. The serrations d near the tops of the posts are made deeper than the remainder.
Patent GB-761009-A (GB)
Title: Improvements in or relating to the preparation of steroid substances
Inventor: GRAHAM WILLIAM
IPC: C07J75/00
Filed: 1954-08-03
Abstract: 3b ,17a  - Dihydroxy - 11,20 - diketo - pregnane and -allopregnane are brominated at the 21-position by first forming a complex with the said pregnane or allopregnane and hydrogen chloride or hydrogen bromide, and then brominating the resulting complex.  The complex may be formed by treating the desired reactant with a solution of hydrogen chloride or hydrogen bromide in an inert, substantially non-polar organic solvent containing a small proportion of a lower aliphatic alcohol, e.g. 0.5 to 10 per cent w/v, preferably 1.0 to 3.0 per cent w/v, of the lower aliphatic alcohol, suitable organic solvents being halogenated aliphatic hydrocarbons such as chloroform, methylene chloride, tetrachloroethane and carbon tetrachloride, and hydrocarbon solvents such as benzene and petroleum.  A suitable lower aliphatic alcohol is ethanol.  The reaction may be carried out at a temperature between 10 DEG  and 35 DEG  C.  The resulting 21-bromocompounds may be converted into the corresponding 21-esters, particularly the 21-acetates, for example, by treatment with the potassium salt of the required acid.  In the examples, 21 - bromo - 3b ,17a  - dihydroxy - 5a  - pregnan-11,20-dione is prepared and is converted into the corresponding 21-acetate.
Patent GB-668421-A (GB)
Title: Improvements in and relating to the printing of textile materials
IPC: D06P3/64
Filed: 1949-08-31
Abstract: Compositions for textile printing comprise a water-soluble dyestuff, a thickener such as tragacanth. a water-insoluble condensation product of cyanamide and formaldehyde, e.g. as described in example (1) of Specification 515,847 or 652,985, and an organic acid such as formic, acetic, lactic or salicylic acid. There may also be present a salt of the organic acid with a strong base, a water-soluble copper salt, and urea.  According to examples, the paste comprises 10 gs. urea, 83 gs. 3 per cent gum tragacanth, 3 gs. glycerol paste containing 50 per cent cyanamide - formaldehyde condensate, 0.8 gs. sodium lactate, 1.6 gs. lactic acid, 0.2 gs. Cu acetate, 1.4 gs. Coomassie Yellow R.S. or Chlorazol Sky Blue F.F.ALSO:Textiles are printed with a paste consisting of a water-soluble dyestuff, a thickener, a water-insoluble condensation product of cyanamide and formaldehyde, and an organic acid such as formic, acetic, lactic or salicylic acid.  There may also be present a salt of the organic acid with a strong base, a water-soluble copper salt, and urea.  Examples are given of printing compositions containing urea, gum tragacanth, a glycerol paste of the water-insoluble cyanamide-formaldehyde condensation product of example 1 of Specification 515,847, sodium lactate, lactic acid, copper acetate and Chlorazol Sky Blue FF or Coomassie Yellow RS.  The printed fabric is dried, steamed and washed. Specification 652,985, [Group IV (a)], also is referred to.
Patent GB-156071-A (GB)
Title: Improvements in molding machines
IPC: B22C15/10
Filed: 1920-07-29
Abstract: 156,071. Tabor Manufacturing Co., (Assignees of Lewis, W.). Dec. 30, 1919, [Convention date]. _ Power hammers.-In a jarring-machine having its table F operated by a piston E, in communication through a passage I with a piston L in a cylinder J<1> the piston L is driven while lifting the table but free during the fall of the table. The piston L is driven from a loose gear N<2> through a friction clutch 0 which is closed, when resistance is encountered, by cam-faces on the gear hub N and on a loose ring N<1>. The piston E moves in a cylinder B<1> formed in a floating anvil B, which is connected by a stuffing-box G' with the passage I. The space between the pistons communicates with loaded inlet and outlet valves S, U in the bottom of an oil reservoir R and with an air, cork or other cushion, preferably formed at E<1> in the piston E. The table F may be pulled down by springs to reduce the effect of friction &c. on the down-stroke.
Patent GB-881550-A (GB)
Title: Improvements in vacuum deposition
IPC: C23C14/26
Filed: 1959-07-01
Abstract: 881,550. Coating &c. by depositing &c. INTERNATIONAL BUSINESS MACHINES CORPORATION. July 1, 1959 [July 1, 1958], No. 22618/59. Class 82(2). Vacuum deposition apparatus comprises a metal source bonded to a radio frequency coil, the source having a vapour emitting surface a portion of which is cooled below the vaporisation temperature, so that control of the energy supplied to the coil controls the area of said portion and the rate of deposition. As shown, cooled radio frequency coil 6 is welded, soldered or brazed to sheet 13. A molten zone is produced at the peripheral band edge 13a by "skin effect". The sheet 13 may be made of the metal being deposited or it may comprise a sheet of refractory metal coated by electrodeposition, spraying or painting with a metal being vaporised such as Fe, Co, Ni, or noble metals.
Patent GB-433243-A (GB)
Title: Improvements in or relating to a method and machine for transferring designs
IPC: B41C1/18
Filed: 1934-08-07
Abstract: 433,243. Printing-machines. EUREKA PHOTO MECHANICAL EQUIPMENT, Inc., 350, West 31st Street, New York, U.S.A. Aug. 7, 1934, No. 22852. Convention date, Aug. 19, 1933. [Class 100 (ii)] Cylinder-machines; printing on cylindrical surfaces.-A method of transferring a design in etching resist from a flat plate to a roller so that the ends of the design meet exactly upon the roller consists in rolling the roller over the flat plate while driving it at a constant peripheral speed and adjusting the translatory speed of the roller so that it travels exactly the length of the design while the roller makes one complete revolution. The roller 50, Fig. 3, to receive the design from a flat inked plate supported on a table 12, is supported in a carriage 23 having side members 20, 21 supported by rollers on side rails 16, 17. The carriage is moved along the rails by a hand-operated screw 31 engaging a nut 32 fixed to the member 20. A shaft 28 supported by the carriage is provided with pinions 26, 27 engaging racks 24, 25 fixed to the rails so that movement of the carriage causes rotation of the shaft 28. A pinion 35 slidably keyed to the shaft 28 can, through, a pivoted idler gear 40, be operatively connected to any one of a number of gear wheels 41 keyed to a shaft 42 mounted in the carriage. The shaft 42 is connected by an extensible link 55 and universal joints to a spindle 56 carrying a gear wheel 57 engaging a gear 58 on the shaft 59 of the roller 50. The change -speed gear allows of driving rollers 50 of different diameters at a peripheral speed equal to the speed of the carriage 23. The roller 50 is mounted in roller bearings 62 in members 71 carrying rollers 72, Fig. 8, engaging inclined surfaces 73 on vertically slidable blocks 75. Rollers 80 on the lower ends of the blocks 95 engage guide tracks 82 in rails 84 adjustable about central pivots 86 and locked in adjusted position by bolts 88 and slotted brackets 87. As the carriage 23 moves to the right in Fig. 8, the rails 84, according to their inclination raise or lower the blocks 75 causing a movement of the shaft 59 forward or backward relatively to the movement of the carriage 23. By suitable adjustment of the inclination of the rails, the actual bodily movement of the shaft 59 during a complete revolution of the roller 50 can be made equal to the length of the design so that the ends of the transferred design match exactly. The flat plate bearing the design preferably consists of a sheet of ink-impervious material secured to a rubber sheet cemented to a zinc or other metal backing plate.
Patent GB-882461-A (GB)
Title: Improvements in or relating to magnetic data storage apparatus
Inventor: BRADLEY EDWARD MICHAEL
IPC: G11C5/04
Filed: 1957-07-19
Abstract: 882,461. Magnetic storage devices. INTERNATIONAL COMPUTORS & TABULATORS Ltd. May 16, 1958 [July 19, 1957], No. 22927/57. Class 38 (2). [Also in Group XXXIX] A data storage device comprising a discshaped film 2 of magnetic material having a substantially rectangular hysteresis loop is switched from one state of magnetic saturation to the other by a current in conductor 3 or 4 or by simultaneous half-currents in both conductors which are arranged parallel to film 2, a sense conductor 6 being parallel to film 2 but perpendicular to conductors 3 and 4 within the area of the film to minimize coupling with conductors 3 and 4. The switching is stated to be by domain rotation rather than by domain wall movement. The mutual inductance between conductors 3 and 4 and conductor 6 is further reduced in the arrangement shown in Fig. 3 in which conductor 6 is in two seriesconnected parts on opposite sides of film 2. In this arrangement the conductors 3 and 4 need not be exactly at right angles to conductor 6. To get a large output signal by tight coupling, conductor 6 can be deposited by vacuum evaporation or by printed circuit technique, a layer of insulation such as mangesium fluoride being first applied to film 2 if it is of conducting material. The drive conductors may be similarly formed or some or all the conductors may be wires. A plurality of the storage elements may be arranged in matrix formation with conductors 3 and 4 forming the row and column windings respectively. The separate areas of film can be formed by depositing the material on substrate 1, which may be of glass, through holes in a mask, the conductor 6 and subsequently the other conductors with their insulating layers being formed in single operations after the insulating layer 8 has been applied to the whole area. The films and conductors may be formed as thin discs, layers or strips accommodated in depressions in a board of synthetic resin plastic and bonded thereto.
Patent GB-748568-A (GB)
Title: Improvements in or relating to bedsteads
Inventor: GEE GEORGE MAXWELL
IPC: A47D7/02
Filed: 1953-08-20
Abstract: 748,568. Dropside cots. AYGEE, Ltd., and GEE, G. M. June 10, 1954 [Aug. 20, 1953], No. 23014/53. Class 52(2). Attachments for converting a hospital or like bedstead into a dropside cot comprise a railed side panel 11 with detachable clamps 18 by which it may be secured to a tubular side rail of the bed. The clamps have apertures through which vertical rails 14 of the side panel can slide and rails 21, which are rotatable in the side panel, carry hooks 20 engaging over the side rail of the bed or over a rod 22 coupling the clamps to maintain the panels in raised position. Additional fastening clamps 25 detachably secure the panels to the bed head frame.
Patent GB-782902-A (GB)
Title: Improvements in lightning arresters for electric power lines
Inventor: DANNENBURG KURT
IPC: H01T1/14
Filed: 1954-08-09
Abstract: 782,902. Fusible cut-outs. E.M.P. ELECTRIC, Ltd. June 29, 1955 [Aug. 9, 1954], No. 23070/54. Class 38 (1). [Also in Group XXXV] A device for isolating a lightning arrester for electric power lines, when an earth-fault current of prolonged duration passes through the arrester following a nearby lightning strike, comprises a length of wire 19 which is adapted to fuse under such conditions, whereupon an earth-lead E is ejected by means of spring 18. The fusible material is preferably a nickelchrome alloy, tungsten or molybdenum, where. by the wire is surge-resistant and, by virtue of its inverse time-current characteristic, is adapted to be graded to the line fuses so that the isolater does not respond unless there is danger of damage to the arrester or associated plant. The wire is at least partly surrounded by a ceramic tube 20 or ceramic beads which facilitate arcextinction under fault conditions.
Patent GB-230715-A (GB)
Abstract: 230,715. Battle, M. W. Aug. 22, 1924. Fold-engaging files. - A menu card holder comprises covers 2 hinged to a pin 4, and a locking-bar 9 hinged to a member 6 sliding on the hinge-pin against the action of a spring 7 so that reduced parts 15, 16 of the bar may engage with corresponding slots in clamping members 19 fixed on the pin. The parts 15, 16 are provided with conical ends 17 which slide into similar recesses in the members 10.
Patent GB-382934-A (GB)
Title: Improvements in or relating to lighting devices
IPC: B64F1/20
Filed: 1932-08-18
Abstract: 382,934. Discharge lamps. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. Aug. 18, 1932, No. 23179. Convention date, Aug. 20, 1931. Addition to 376,668, [Group XI]. [Class 39 (i).] A discharge tube 9 for use in a beacon light contains neon at a pressure of nine mms., incandescent cathodes 10, 11 and auxiliary electrodes 12, 13 made of zirconium wire which has been superficially oxidized. The latter are connected in circuit with resistances 33, a pushbutton current-interrupter 19 used for signalling purposes, and the secondary winding 32 of a transformer 31 having its primary winding 30 in parallel with the primary winding 24 of a transformer 23 which has two secondary windings 25, 26 to the mid-points of which are connected conductors 27, 28 which supply the main discharge current to the tube 9 through an impedance 29. The transformer 23 is supplied from a source 20 of alternating current through fuses 21 and a switch 22.
Patent GB-1140218-A (GB)
Title: Photographic materials
Inventor: MCGUCKIN HUGH GERALD
IPC: D06Q1/14
Filed: 1966-05-24
Abstract: 1,140,218. Inorganic substances. EASTMAN KODAK CO. 24 May, 1966 [25 May, 1965(2)], No. 23215/66. Heading C1A. [Also in Division G2] Aqueous dispersions of colloidal silver are stabilized by treatment with a compound of Pt, Pd or Au (in Examples K 2 PtCl 4 , K 2 PtCl 6 , K 2 PdCl 4 , K 2 PdCl 6  and AuCl 3 ). The dispersions may contain a binder (in Examples gelatine) and dextrin.
Patent GB-1270582-A (GB)
Title: Improvements in or relating to fencing
IPC: E04H17/06
Filed: 1969-05-07
Abstract: 1,270,582. Fence posts. BEKAERT S.A. N.V. 7 May, 1969 [7 May, 1968], No. 23278/69. Heading E1B. A fence post p2 comprises three metal sections 1, 11 and 12 held together by bolts 6 passing through holes (4) in mating pairs of flanges 2, 3, 13 or 14. In other embodiments a part may comprise two identical sections 1 or 4 identical sections 11 and 12 and the V-section portion between the flanges may be U or arcuate section. A part of 5 or more sections is also disclosed. Holders for the wire mesh of wire mesh fencing or other fencing members are clamped between the abutting flanges. Base of post may be bolted onto a member projecting from ground, or may be formed to a point to be forced into ground.
Patent GB-705759-A (GB)
Title: Improvements relating to closures for sheet metal drums, kegs and like containers
IPC: B65D45/32
Filed: 1951-10-06
Abstract: 705,759. Container closures. READS, Ltd., and BROWN, H. Oct. 6, 1952 [Oct. 6, 1951], No. 23308/51. Class 125 (3) In a channelled clamping ring 11 for the lids of metal drums &c. and having one end 1( formed as an integral narrower tongue 12 with a lug 13 which engages a slot 17 in the other end of the ring the lug 13 is shaped as a ratchet tooth so that when inserted through the slot the overhanging face 14 prevents the lug slipping out of the slot when the ring is under tension. A T-shaped member 21 may be placed through the lug and a sealing wire with seal 22 applied thereto. Specification 551,202 is referred to.