baber/WOPTO huggingface dataset:
Patent GB-1211609-A (GB)
Title: Helical locking bracket
Inventor: KENT ARNOLD FREDERICK
IPC: A47F5/13
Filed: 1968-02-13
Abstract: 1,211,609. Brackets. A. F. KENT. 13 Feb., 1969 [13 Feb., 1968], No. 7091/68. Heading A4B. [Also in Divisions E2 and F2] A bracket comprises a rod or strip of rigid material one end of which is formed into a single helical convolution having its internal diameter approximately the same as its pitch, the helix axis being approximately at right angle to the axis of the rod or strip. The helix is placed around a pole, bar, pipe or cable on which it locks when a force is applied to the rod in a direction parallel to the helix axis. The bracket may support articles from vertical poles; a second helix of a different size at the other end permits the bracket to accommodate two sizes of pole. Two such brackets may be connected (Fig. 5, not shown) by levers (b, d, e) to provide a pipe climber or cable hauler.
Patent GB-479568-A (GB)
Title: Improvements relating to protective arrangements for electrical apparatus having a cooling means
IPC: H02H5/08
Filed: 1937-03-10
Abstract: 479,568. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. March 10. 1937, No. 7103. Convention date, March 10, 1936. [Class 38 (ii)] [Also in Groups XXXVI and XXXVII] In an electrical apparatus in which cooling is effected by a supply of cooling medium means are provided responsive to the flow to open circuit the apparatus on failure or partial failure of the supply. The Specification describes the arrangement applied to the control of a system having rectifiers which are cooled and to a system in which a transformer is cooled. Fig. 1 shows a rectifier arrangement comprising a transformer 12 and' rectifier 13, the rectifiers being cooled by means of a fan 15 supplied from a source 18. A circuit breaker 19 for completing the supply circuit, to the transformer 12 is controlled by a thermostatic switch 24 having a heater 25 for opening the switch which is rendered ineffective when the fan is operating properly due to the switch being located in the air stream. in a modification of this for battery charging a further circuit breaker is included in the supply circuit of the transformer and is energized for closing only when the battery circuit is completed. In this form the thermostatic switch also controls a switch in the battery circuit. Fig. 6 shows another modification in which the motor 16 is supplied from the A.C. circuit 11. A thermostatic switch 50, controls the circuit breaker 45 in the A.C. supply, this control circuit also including the contacts 52, 53 which are closed only when the battery is connected. A further thermostatic switch 62 with heater 63 is provided for opening the battery circuit on failure of the cooling supply. In a modification of this the motor is supplied from the transformer side of the circuit breaker 45. The thermostatic switches may be compensated for ambient temperature variations. Fig. 2 shows one construction in which bimetal strips 28, 29 having co-operating contacts are mounted on opposite sides of an insulating panel 32 a heater 33 being located adjacent one of the strips. In another construction, Fig. 5, single strips 34, 35 are mounted on opposite faces of the insulating panel and their free ends joined by a rod 37, a heater 38 being adjacent one of the strips. Contacts 39, 40 are mounted on one of the strips and the panel respectively. Specification 462,172, [Group XXXVII], is referred to.
Patent GB-859814-A (GB)
Title: Tubular textile fibres
IPC: D01F1/08
Filed: 1957-03-05
Abstract: <PICT:0859814/IV(a)/1> <PICT:0859814/IV(a)/2> Artificial tubular fibres are made by use of a spinning nozzle having an annular extrusion passage 5 (see Fig. 1) leading to an annular extrusion orifice 7 and a duct 4 inside the extrusion passage, the inner and outer walls 3, 8 of the extrusion passage being spaced by radial bridges 6 lying in the same plane.  Air or another gas may be introduced into the interior of the artificial tubular fibres during their manufacture through duct 4.  As shown in Fig. 2 outer tube 8 may be elongated and spaced from tube 3 by two axially spaced pairs of bridges 6.  The tubular gas may be made by wet, dry or melt spinning processes.  The interior of the tubular fibres may be filled with moisture absorbing substances, moisture repelling substances, or incompressible materials, e.g. aluminium hydroxide or silica gel. Fluorescent phosphorescent or luminous effects can be obtained by filling the fibre cores with substances known to exhibit these properties and a silver internal finish may be obtained, e.g. by use of the silver salt reduction by aldehyde method.  Artificial tubular fibres made from caprolactam, glass, cellulose acetate and "Perlon" (Registered Trade Mark) are described.
Patent GB-1415056-A (GB)
Title: Process for the preparation of amides and peptides
IPC: C07F9/24
Filed: 1973-02-14
Abstract: 1415056 Diphenyl phosphoryl azide DAIICHI PURE CHEMICALS CO Ltd 14 Feb 1973 [15 Feb 1972] 7237/73 Heading C2P [Also in Division C3] Diphenyl phosphoryl azide of the formula is obtained by reacting a diphenyl phosphoryl halide with hydrazoic acid or a functional salt thereof and distilling the reaction mixture under reduced pressure. Specified functional salts are XN 3 , X<SP>1</SP>(N 3 ) 2 , HN 3 .N(R) 3  and wherein X is H or an alkali metal atom, X<SP>1</SP> is an alkaline earth metal atom, and R is a C 1 -C 6  alkyl group. The reaction can be carried out at room temperature in an inert solvent, acetone being used as solvent in an example. The product is useful in the production of amides and peptides by reacting a carboxylic acid or amino carboxylic acid whose amino group may carry a protective group with a primary amine or with an aminocarboxylic acid whose carboxylic group may carry a protective group in the presence of the azide.
Patent GB-308449-A (GB)
Title: Improvements relating to telephone instruments
IPC: H04R7/14
Filed: 1928-03-08
Abstract: 308,449. Mullard Radio Valve Co., Ltd., and Hayes, C. F. M. March 8, 1928. Diaphragms. - A large diaphragm, preferably for use in hornless loudspeakers, is reinforced by means of strips of a cementlike material. A suitable cement consists of a cellulose base rendered pasty by a suitable solvent, e.g. amyl acetate and acetone and preferably containing some powdered filling material, such as powdered pumice or wood. As an alternative, a paste applied hot and containing resin, shellac, chalk and zinc oxide may be used. The figure shows a conical diaphragm a reinforced by concentric and radial strips c, d.
Patent GB-249848-A (GB)
Title: Improvements in steam generators
IPC: F23M5/08
Filed: 1926-03-16
Abstract: 249,848. International Combustion Engineering Corporation, (Assignees of Lundgren, E.). March 26, 1925, [Convention date]. Pulverulent-fuel furnaces.-In a boiler fired with pulverized fuel from downwardly-directed burners, the combustion chamber widens downwardly and has its sides formed by banks of inclined water-tubes through which the gases escape to flues so arranged that the flame is of a double U-shape. A boiler comprising upper and lower drums 1, 3 connected by banks of tubes 5 is heated by burners 15 through which fuel and primary air are projected downwards into the combustion chamber 14 between sheets of preheated secondary air supplied through nozzles 33. The secondary air passes on each side of the boiler through a heater 23 in the uptake and then through tubes 30 placed between the boiler tubes. Primary air is supplied by a fan 19 and enters the fuel feeder 16 through a pipe 17<1>. Dampers 25 control the draught through the uptakes on each side of the boiler. Baffles 8 are placed over the tubes at the upper part of the combustion chamber. Tubes 13 connecting the lower drums serve as a cooling screen for the ash. Evaporating tubes 36 are arranged' in the walls of the combustion chamber.
Patent GB-1004546-A (GB)
Title: Mounting arrangements for casing-enclosed apparatus
Inventor: GEIGER WALLACE AIME
IPC: F17C13/08
Filed: 1964-02-21
Abstract: 1,004,546. Reactor pressure vessels. UNITED AIRCRAFT CORPORATION. Feb. 21, 1964, No. 7292/64. Heading G6C. [Also in Division F2] A mounting for a cylindrical reactor pressure shell 10 comprises a plurality of flexible hanger strips 14 depending from a circular mounting ring 12, the strips 14 having, at their lower ends, flanges 24, 26 which are received in grooves 22 formed on the undersides of adjacent lugs 16 secured to the shell 10. Upward displacement of the shell 10 relative to the ring 12 is prevented by a cable 34 which passes through aligned grooves 28, 30 in the lugs 16 and hanger strips 14.
Patent GB-686403-A (GB)
Title: Shuttlecock and method of making
IPC: A63B67/18
Filed: 1950-03-23
Abstract: 686,403. Shuttlecocks. CARLTON TYRE SAVING CO., Ltd., and CARLTON, W. C. April 4, 1950. [March 23, 1950] No. 7349/50. Class 132 (iii). A shuttlecock comprises a cap and a skirt having tapered integrally moulded stems flared outwardly from the cap, each stem having a plurality of ribs projecting from its lower part. The area between the ribs may be filled by a verv fine leaf. The skirt may be injection moulded and may be moulded complete with a cap, Fig. 2, or separately, Fig. 1. It is preferably made from material with a specific gravity of less than 1.2 e.g. polythene.
Patent GB-451836-A (GB)
Title: Station indicating device for radio receiving apparatus and the like
IPC: H03J1/04
Filed: 1936-03-11
Abstract: 451,836. Adjusting wireless apparatus. NEUMANN GES., L., 36, Bergsteiggasse, Vienna. March 11, 1936, No. 7376. Convention date, April 16, 1935. [Class 37] Map-tuning devices for rendering the geographical positions of the transmitting stations visible comprise rigid or flexible channel members, each being connected at one end with the map positions and the other ends being influenced by the tuning adjustment mechanism. In one arrangement, openings 8a ... 8e in the wall of a drum 2 receive one end of glass tubes ga ... ge, the other ends terminating at the station positions. A wheel 4 driven by pinion 5 on the condenser spindle carries an arm and lamp 6. Total reflection may occur in the glass tubes or rods, which may be filled, or parallel glass members may have adjacent reflecting surfaces. The station points may be uniformly illuminated and may have a separate coloured or filtered light screen. Instead of an optical indicator, Bowden wires may be provided, the ends of which project beyond the surface of the station indicator map, the other ends of the wires being actuated by tuning cams or projections operative when adjustment is effected. Instead of providing separate channels these may be cast or embedded, or bored in a block of material.
Patent GB-1039743-A (GB)
Title: Improvements in or relating to low frequency electric waveform generating circuit arrangements
Inventor: BLACKMAN PETER FRANCIS
IPC: H03K4/56
Filed: 1963-02-25
Abstract: 1,039,743. Pulse, sawtooth and sine wave oscillators. FEEDBACK Ltd. Feb. 24, 1964 [Feb. 25, 1963], No. 7436/63. Headings H3F and H3P. Two oscillators of the type comprising an integrator having feedback via a limiting amplifier are interconnected in such a way as to provide two low-frequency waveforms in quadrature. As shown in Fig. 4, oscillator A comprises a Miller integrator 1, 2, 3, the output of which is fed back to the input via a limiting amplifier 4 having regenerative feedback via resistors 6, 7. Amplifier 4 is arranged to give an output of +V 0  for positive inputs above a predetermined level and - Vo for negative inputs below a predetermined level. The output is integrated at 1, 2, 3, giving a linearly changing voltage at 5 until the threshold voltage of amplifier 4 is reached when the sign of output becomes reversed so that the integrator 1, 2, 3 then provides a linearly changing voltage of opposite sign. In oscillator B, the integrator 21, 22, 23 feeds a regenerative limiting amplifier 24 which is arranged to provide two levels of output ŒV 0 , the sign of which changes when the difference in voltages Va and Vb passes through one of two threshold levels. Amplifier 24 is provided with a long-tailed pair differential amplifier for this purpose. The output Vb of oscillator B is fed via resistor 14 to amplifier 4 which changes the sign of its output only when the sum of currents fed via resistors 6, 14 passes through one of the threshold levels. Figs. 4a, 5a (not shown) relate to a graphical explanation which shows that triangular waves in quadrature are available at points 5, 25 and square waves in quadrature are available at points 10, 30. The triangular waves at 5, 25 may be passed via shaping networks and a phase-shifter of the type described in Specification 1,039,603 so as to provide sine waves of continuously variable phase.
Patent GB-541484-A (GB)
Title: Improvements in or relating to the erection of concrete structures
IPC: E04B1/35
Filed: 1940-04-26
Abstract: 541,484. Load handling machines. SMITH, W. H. April 26, 1940, No. 7560. [Class 78 (iii)] [Also in Group X] A method of constructing a building formed of precast concrete slabs comprises assembling sections of the roof in correct relative positions on a lifting frame, raising these sections above the level of the walls, positioning the wall slabs and then lowering the roof section on to the upper ends of the wall slabs. A gantry or scaffold for use in carrying, out the method comprises a lower wheeled frame 1 built up of uprights 5, horizontal connectors 6, 7 and bracing members 8 ; and a vertical sliding upper frame 10 with inclined upper bars 13 adapted to slide between the uprights. The inclined bars are provided with flanged rollers 15 by which the slabs are slid into position thereon the slabs being then bolted together at the ridge. The upper frame is raised on the lower frame by means of ropes 18 and drums 23 mounted on a shaft 24 on the lower frame and adapted to be driven through gearing and a clutch from a power unit 28. Ropes 36 with hooks 43 are adapted to be raised and lowered at each end of the upper frame by means of handdriven drums 38 to raise and position the side wall slabs B which are tied together on opposite sides of the building by metal tie rods E, after which, the roof portions are lowered into position upon them. The scaffold is then moved inwardly to receive the next set of roof slabs, which are then raised to the next set of wall slabs positioned and corrected and the roof slabs are then lowered. In order that the roof slabs may be easily slid into position in the movable frame in its lowered position an auxiliary wheeled frame as shown in Fig. 4 is used as a primary continuation of the enclosed members of the frame ; this frame is provided with guide rollers 35 and a winch 44 to move the slabs on to the raisable frame. The slabs C for the end walls are raised into position by an independent device 49, 50, Fig. 5, comprising a winch 59 and rope 55 for raising the main. end slabs, and also a sliding bracket 52 for raising the upper-shaped gable blocks C<SP>1</SP> so that they can be easily pushed between the main slabs and the roof slabs.
Patent GB-1262331-A (GB)
Title: Hydrodynamic forming
IPC: B01D67/00
Filed: 1969-02-12
Abstract: 1,262,331. Reverse osmosis membrane and apparatus and coating process for its production. HYDRONAUTICS Inc. 12 Feb., 1969 [21 Feb., 1968], No. 7598/69. Headings B1X, B2E and B2L. A tubular membrane 12 (Fig. 2) which may be permeable is formed by introducing a filmforming liquid into one end of a tubular support 14, forcing the liquid axially along the tubular support with a pressurized gas column to form a film of liquid on the inner wall of the support and curing the film to form the tubular membrane. Support 14 may be porous and may itself be formed inside a radially-drilled solid tubular support 16 by the method of the invention. The film-forming liquid may be a cellulose acetate-acetone-formamide composition; also mentioned are cellulose acetate-butyrate, cellulose propionate and ethyl cellulose, in liquid carriers which include acetic acid, dimethyl formamide, methyl ethyl ketone, ethyl alcohol, methyl alcohol. The curing step may comprise forcing cold water through the tube, and an "active skin" may then be formed on the inner surface of the membrane by forcing hot water through the tube. The reverse osmosis desalination apparatus of Fig. 4 (not shown) comprises a plurality of coiled lengths 112 of tubular support materials each length containing a permeable tubular membrane. One end of each membrane tube joins inlet manifold 110 and the other ends join brine outlet manifold 114. Product water falls by gravity from the outside of the unit and is collected. In the apparatus of Fig. 3, the tubular membrane is formed within tubular support 20 from filmforming liquid from reservoir 26 forced through the tube by a gas column from pressurized supply 42 followed by a column of cold water from tank 50. Hot water from supply 62 is then forced through the tube to form the "active skin" on the membrane. In use of the apparatus for reverse osmosis, saline is fed from line 70 and pure water collected in basin 76. When the membrane becomes blocked, it can be dissolved away using solvent from tank 84 and a new membrane formed on support 20.
Patent GB-1135602-A (GB)
Title: Improvements in control devices for drilling and/or filling machines for the manufacture of brushes, brooms and the like
Inventor: WOLF KURT
IPC: A46D3/08
Filed: 1966-02-22
Abstract: 1,135,602. Brush-making machines. E. STEINEBRUNNER. 22 Feb., 1966, No. 7655/66. Heading A4K. The positional control of the workpiece holder 8, of a brush stock drilling and/or tuft inserting machine, is derived, from a punched tape 1 programme, by chains of pivotally interconnected links 2 carrying pawls 3 and transmitted to ratchet 4, controlling a longitudinally movable rack 7. A detecting pin 19, which enters a hole in tape 1, moves a locking lever to allow slider 20 to abut rod 14. As cam 13 turns, rod 14 is moved to the left, to straighten links 2 and cause pawl 3 to rotate ratchet 4. More than one of the. pins 15, 19 may simultaneously be actuated, to vary the stroke of pawls 3 and, by means of slider 9, to alter the direction of rotation of ratchet 4. Lever 21 retracts the pins from the holes in the tape, at the completion of each machine operation.
Patent GB-982261-A (GB)
Title: Improvements in or relating to electromagnetically drivable liquid pumps for toys
IPC: H02K33/06
Filed: 1962-02-28
Abstract: 982,261. Fountains and liquid distributing toys. GEBR. FALLER G.m.b.H. Feb. 28, 1962 [March 1, 1961], No. 7734/62. Heading A6S. [Also in Divisions F1 and H2] A toy includes an electromagnetically actuated pump P enclosed in an imitation hillside 21 and delivering water drawn from a trough 18 to a pipe 20 leading to a water wheel 23.
Patent GB-799366-A (GB)
Title: Process for the preparation of acridine compounds
Inventor: BOWMAN RALPH EDWARD
IPC: C22B60/02
Filed: 1956-02-15
Abstract: Substituted acridines of the general formula <FORM:0799366/IV (b)/1> or acid addition salts thereof, wherein R repre sents a divalent alkyl or hydroxyalkyl radical containing from 2 to 5 carbon atoms and R1 and R2 are the same or different and represent hydrogen or a normal or branched chain alkyl or hydroxyalkyl radical containing 2 to 8 carbon atoms or taken together with the nitrogen atom to which they are attached a saturated heterocyclic ring, and the methoxy group is in the 2- or 3-position, are prepared by condensing a 6,9-dichloro-acridine, 10-oxide of the general formula <FORM:0799366/IV (b)/2> with an aminoalkylamine of the general formula <FORM:0799366/IV (b)/3> or an acid addition salt thereof, R1 and R2 having the above significance, in the presence of an anhydrous organic solvent.  The free substituted acridine compounds may be produced by neutralizing the hydrochloride salts initially produced by the condensation reaction.  Substantially equivalent quantities of the reactants may be used in conjunction with the organic solvent. Suitable solvents mentioned are phenols, e.g. phenol itself, aliphatic alcohols such as ethanol, isopropanol, pentanol and octanol, aliphatic ketones such as methyl ethyl ketone and di-isobutyl ketone, aliphatic ethers such as dibutyl ether and monoalkyl ethers of ethylene glycol, cyclic ethers such as dioxane and hydrocarbons such as benzene, toluene and xylene.  If desired, an excess of either of the reactants may be used, but it is preferable to employ the aminoalkylamine in excess since it can act as the solvent.  The preferred acridine reactant is 6,9-dichloro-2-methoxy-acridine, 10-oxide.  In the examples the following compounds are prepared: 6-chloro-9-(4-diethylamino - 1 - methylbutylamino)-, 6 - chloro - 9 - (3 - diethylaminopropylamino)-, 6 - chloro - 9 - (3 - diethylamino - 2 - hydroxypropylamino)-, 6 - chloro - 9 - (5 - piperidinopentylamino)-, 6-chloro - 9 - (3 - octylamino - propylamino)-, 6-chloro - 9 - (3 - hexamethyleneiminopropylamino)-, and 6 - chloro - 9 - (3 - isopropylaminopropylamino) - 2 - methoxy - acridine, 10 - oxide dihydrochlorides, and 2 - [2- (and 3) - (6-chloro-2 - methoxy - 9 - acridinylamino) - ethylamino] ethanol, 10-oxide, dihydrochlorides. Starting material.  6,9-Dichloro-2-methoxyacridine, 10-oxide is prepared by treating a solution of 6,9-dichloro-2-methoxy-acridine with perbenzoic acid.
Patent GB-110888-A (GB)
Title: Improvements in and relating to Fluid Pressure Brake Systems.
Inventor: TURNER WALTER VICTOR
IPC: B60T13/62
Filed: 1916-08-31
Abstract: 110,888. Turner, W. V. Aug. 31, 1916. Steps.-An emergency or deadman valve 26 applied to a combined straight and automatic fluid pressure brake system is rendered inoperative when a straight air application is made. A tramcar safety control equipment including a power switch 33 and a door and step operating mechanism 9 adapted to be actuated with the brakes when the deadman valve is opened, is described. For straight air brake applications the driver's valve connects the pipes 7, 8 and the pressure air flows from the reservoir 4 through the pipes 7, 8 and the cavity 43 of the automatic valve 1 to the brake cylinder 3. For emergency applications the pipe 7 is vented and the valve 1 is thereby moved to the left and connects the reservoir 4 to the brake cylinder through the valve chamber 15 and passage 37. The door and step mechanism comprises a double piston 17, 18 connected by a rack 24 engaging a pinion 25. Pressure air is normally supplied to the piston chamber 22 from the reservoir 4 by way of pipes 7, 23. The piston chamber 19 is normally open to atmosphere through the pipes 20, 44 and the driver's valve 6. When, by the venting of the pipe 7, the valve 1 moves to the left pressure air flows from the reservoir 4 through the valve chamber 15, passages 38, 39, double check valve 41, and pipe 20 to the piston chamber 19. The piston chamber 22 is at the same time exhausted as the pipe 23 is connected to the pipe 7. The double piston 17, 18 therefore moves to the right to open the door and lower the steps. The pipe 7 may be vented by the emergency or deadman valve 26 which is held normally closed by the driver's foot resting upon the pedal 29. The pressure in the pipe 7 blows the valve off its seat when the pedal in released. A piston 30 subject to the pressure in the pipe 8 engages the pedal lever 28 and renders the valve inoperative when a straight air brake application has been effected. The power switch device comprises a contact member 33 carried by a piston 34 the chamber 35 of which is connected to the pipe 7. A spring 45 opens the switch when the chamber 35 is exhausted by the venting of the pipe 7. A hand-operated switch 46 may be provided for controlling the circuit around the switch 33.