baber/WOPTO huggingface dataset:
Patent GB-805968-A (GB)
Title: Mastic applicator with removable head
IPC: E04F21/08
Filed: 1956-07-05
Abstract: A mastic applicator A comprises a housing B having in one wall 11 an opening F over which is detachably secured a head G having a pair of spaced flanges 37, Fig. 6, which straddle the housing B and abut side walls 10 thereof, a flange 38 which abuts the wall 11, and a plate 36, the head G having an outlet opening H, e.g. a number of parallel slots 44, Fig. 6, which are positioned in registration with the opening F by the flanges 37, 38, and means for detachably securing the head G to the housing B.  The housing B comprises side walls 10, a bottom wall 11 having the aperture F, a top wall 12, and a plate E, the end 17 of which pivots about a seat 16 in the end 15 of the housing, and a handle 21 joined to the plate E which can thus be swung about the point 16 against two springs 24 which are secured to the housing at 29 and <PICT:0805968/III/1> <PICT:0805968/III/2> <PICT:0805968/III/3> <PICT:0805968/III/4> to the plate at 28.  A flexible wiper 23 is attached to the sides and top of the plate E. Mastic D is supplied to the housing initially, e.g. by a pump, through a tube 30 having a nonreturn valve 31, and rollers 51 on each end of a bar 48 carried by a central bracket 50 space the inlet 30 from the wall 46 to be coated.  The head G, Fig. 6, is removably secured to the housing B by screws 41 engaging notches 39 and by studs 42 engaging notches 40.  A modified head G1, Fig. 8, has an outlet H1 leading to a nozzle 58 having a part-spherical end 59 for a tool for applying mastic to corners as described in Specification 800,837, or the head may carry a nozzle 67 similar to that described in Specification 805,967 and comprising, see Fig. 9, a flexible guide 69 carrying an adjustable trowelling bar 70 mounted between end-plates 68.  A rod 76 bearing on the guide 69 acts under a spring 77, the tension in which is adjustable by a wedge 81, to yield upwardly as the nozzle is moved over a strip of mastic deposited through a hole in the nozzle 67 in front of the guide 69 and bar 70. Specification 800,333, [Group XV], also is referred to.
Patent GB-638575-A (GB)
Title: Improvements in or relating to vacuum cleaners
IPC: A47L9/22
Filed: 1947-08-01
Abstract: 638,575. Dynamo-electric machine supports. ELECTROLUX, Ltd. Aug. 1, 1947, No. 20935. Convention date, April 11, 1944. [Class 35] The forward end of a vacuum cleaner motorfan unit 15 has the part 28 supported in flange 27 of partition 28 by a rubber ring 24 while the rear end is supported from the casing 11 by members 30, 22 to which rubber pads 29 are secured, e.g. by vulcanization, the joining surfaces being in planes transverse to the axis of the unit. Specifications 636,415 and 638,574 are referred to.
Patent GB-896848-A (GB)
Title: A method of, and apparatus for, making bags from tubing of thermoplastic or thermoplastic-coated material
IPC: B31B160/10
Filed: 1958-06-30
Abstract: 896,848. Making paper bags. WINDMOLLER, A., and GENNERICH, M., [trading as WINDMOLLER & HOLSCHER]. June 30, 1958 [July 10, 1957], No. 20955/58. Class 94(2). A method of making paper bags from tubing of thermoplastic or thermoplastic-coated material comprises partially severing the tubing into bag lengths, subsequently completing the severing before feeding the severed lengths in succession to a movable sealing device having a number of bag-sealing stations, sealing the trailing ends of the invididual bag lengths at respective sealing stations, gripping the leading ends of the completed bags and removing them from the sealing stations. The tubing 3 is fed by rollers 1, 2 to rotating knives 5, 6 one of which has recesses in its cutting edge so that a bag length is only partially severed while being fed by belts 8, 9 towards a faster-rotating tearoff segment 88 and counter-roller 89. Belts 11, 90 moving at the speed of the segment 88 overlap the belts 8, 9 and feed the detached lengths to a gripper cylinder 91 which transfers them to a welding drum 10 with which the belts 11 co-operate. When the trailing edge 94 of a length reaches the drum 10, it is engaged by an electrically heated gripper 12, 13 which forms a welded seal. Finally, grippers on a cylinder 16 engage the leading edges of the completed bags on the drum 10 and deliver them. The distance between the knives 5, 6 and the tear-off device 88, 89 corresponds to the longest bag to be made, and for such bags alternate grippers on the cylinder 91 and drum 10 are rendered inoperative. The drive is from an exchangeable gear 107, the pitch circle of which corresponds to the size of bag required. To ensure that only the leading bag length is detached by the tearoff devices 88, 89 when short bags are being made, one or more pairs of rollers 95, 96 and 97, 98 are provided adjacent to the belts 8, 9 and are operated by cam mechanism 101 to engage the tubing when the tear-off mechanism is operating. Specification 762,264 is referred to.
Patent GB-915553-A (GB)
Title: Improvements relating to valves for the control of fluid under pressure
IPC: F16K31/163
Filed: 1958-07-01
Abstract: 915,553. Valves. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd., and PHILLIPS A.G. July 1, 1959 [July 1, 1958], No. 21002/58. Class 135. A valve with an inlet 2, Fig. 1, and an outlet 3 has a movable closure 4 in the form of a hollow cylinder which is connected to a rod 7 integral with a piston 15 whereby the closure 4 may be moved on to or away from a seat 14 by selectively admitting compressed-air to act either side of the piston. Leakage across the closure is prevented by packing 12. In another form the closure is inverted and the outer end is closed, the closure sliding over the packing which is supported by a cage that also incorporates the annular seat; the closed end of the closure has ports therethrough to provide a dash-pot effect. In a further form, the closed end of the closure constitutes the operating piston having a hollow piston-rod through which passes a stem supporting a packing cage in the closure and over which the piston slides. The piston-rod 7 carries a cross-head 8 in which is slidably mounted a block 23, Fig. 4A, with an end of a link 25 pivoted thereto, the other end of which is pivoted to a lever 26 whereby the valve may be manually operated; the other end of the lever 26 is pivoted to a spring assembly 29 itself mounted on a fixed pin 30. The whole comprises a two-position toggle-spring arrangement which holds the valve in both the open and closed position and enables the compressed-air to be cut-off when the piston reaches the end of its stroke. In another form, the piston-rod 7, in the Figure accompanying the Complete Specification, embodies a bi-conical enlargement 32 co-operating with two opposed members 31 loaded by springs 34 in housing 38; when the rod 7 is moved by compressed-air one conical surface of the enlargement 32 urges the members 31 outwardly, the springs then forcing the members inwardly down the other conical surface to hold the rod in its new position. The valve may be operated manually via a shaft 35.
Patent GB-796645-A (GB)
Title: Improved electrolytic process for obtaining rare earth elements
IPC: C25C3/34
Filed: 1956-07-06
Abstract: 796,645. Electrolytic production of rare earth elements. HORIZONS, Inc. July 6, 1956 [July 19, 1955], No. 21024/56. Class 41. A method of recovering at least one rare earth element from an oxygen containing compound of the group consisting of oxides and compounds which are readily decomposed to form oxides, which comprises: forming a molten pool of at least one of the alkali and alkaline earth metal chlorides, adding to said molten pool at least one of said oxygen containing rare earth element compounds, chlorinating the rare earth element compound added to the molten salt pool, passing an electrolysing current through the resulting anhydrous salt bath and recovering the rare earth element as a cathode deposit. Specified alkali and alkaline earth metal chlorides are those of sodium, potassium and calcium. Specified oxygen containing compounds of rare earth elements are nitrates, carbonates, basic carbonates, unignited oxides or salts of organic acids such as oxalates and acetates. Specified chlorinating agents are anhydrous hydrochloric acid, phosgene, and mixtures of chlorine with carbon monoxide or with carbon. The fused mass may be electrolysed directly in the vessel in which the chlorination reaction has been effected; or the reactor may be operated continuously by periodically adding rare earth compound to the fused bath, replenishing the alkali or alkaline earth metal chloride content thereof and withdrawing portions of the reaction composition which are then changed, in a molten condition, into an electrolytic cell constructed of inert material. Electrolysis is carried out by using a carbon or graphite anode. In an example, a molten salt bath was prepared by melting sodium and potassium chlorides in equal parts by weight. Anhydrous hydrogen chloride gas was passed into the bath through a graphite tube pierced with fine holes and cerium carbonate was concurrently added to the bath in increments. After completion of the reaction, the melt was electrolysed, cerium being deposited at the cathode.
Patent GB-149245-A (GB)
Title: Improvements in or relating to variable speed and reversing gear
IPC: F16H61/02
Filed: 1920-07-12
Abstract: 149,245. Trenkler, O. Sept. 17, 1918, [Convention date]. Variable-speed and reversing epicyclic gearing is controlled by a hydraulic. pump which is automatically controlled by a spring acting against the load. The driving-shaft 1, Fig. 1, is secured to a sun gear 4 meshing with planet gears 5, which through planet gears 6, Fig. 3, gear with an internal ring 7. A cage 24, Fig. 1, secured to the driven shaft 25 carries planet gears 22 meshing with a sun gear 21 upon a central shaft 19 and with an internal ring 27. The rings 7, 27 are connected by a drum 8 revoluble about a bearing 34. The pump comprises a pair of gears 9, Fig. 2, secured to the spindles 5<1>, 6<1>, of the gears 5, 6. The pump delivers oil through a passage 12 to a throttlevalve 13 operated by a lever 33. The controlling- spring 31, Fig. 1, is arranged between a box 28 secured to the shaft 19 and the boss 17<1> of a cage 17 carrying the spindles 5', 6<1>. The cage 17 can turn about the shaft 19 about 60‹. The casing 28 is adjustably connected to the spring 31 by a worm 30, Fig. 4. and worm-wheel 29. Movement of the cage 17 about the shaft 19 against the spring 31 operates the lever 33 of the throttle. The load on the shaft 25 reacts through the gear 21 and tends to strain the spring. When the load is small, the spring is not strained, the throttle 13 is fully closed, and the gearing turns solid, yielding the highest speed. As the load increases, the throttle is opened, and both epicyclic trains are operative. The lowest speed is reached when the cage 17 begins to turn backwards, when it is stopped by pawls 38. The drum 8 is then driven and causes the gears 22 to roll on the gear 21. Reversed driving is effected by applying a brake 36 to the drum 8, the pawls 38 being simultaneously disengaged.
Patent GB-1460437-A (GB)
Title: Flow meter
IPC: G01F3/20
Filed: 1973-05-03
Abstract: 1460437 Measuring fluid-flow GEORGE KENT Ltd 20 June 1974 [3 May 1973] 21046/73 Heading G1R [Also in Division F2]  In a fluid-flow meter, fluid enters through an inlet 16 one or other of chambers 6, 8 through a valve 20 to expand one chamber 6, 8 and exhaust the other of chambers 8, 6 through conduits 22, 22' annular channels 24, 24', radial ports 26, 26' and outlet 18. The arrangement is such that as piston/diaphragm assemblies 10, 12, joined by a coupling 14, are moved, means is actuated at the end of the stroke to reverse the valve 20 thus allowing the flow to enter the chamber 8, 6 that has been exhausted and allow fluid to leave the chamber 6, 8 that has been filled. The coupling 14 is provided with a cylindrical rack 40 which rotates a pair of drive pinions 42, 44 on an assembly 70 Fig. 2 which through uni-directional clutches, Fig. 3 (not shown), drive one or the other of gears 62, 62' to drive a gear 64 which, through a shaft 66, rotates a magnet assembly 68. The assembly 70 is mounted within the meter body with the magnet assembly 68 located below a plate 35 and the end of shaft 66 located by a bearing 35a. The magnet assembly 65 drives a flow recording unit in a housing 28. Torsion springs 82, 82' resiliently bias the pinions inwardly against the rack 40. The means for operating the valve 20 comprises pins 132 on the rack 40 engaging the sides of a lever 118 Figs. 4, 5, to actuate, through a spring 116, a slave lever 112 which abuts one or the other of pins 110 on a slider 102 to snap the slider 102 from one position to the other so abutting a stop 130 on a valve plate 90 to move a valve pad 100 from one fluid passage opening position to the other thus permitting fluid to pass through inlet 16 to channel 22 or 22' to one or other of the chambers 8 or 6. The rack 40 may be replaced by a screw-threaded rod, a flat double sided rack, a pair of opposed gear racks, or a pair of levers driven directly by the assemblies 10, 12 and arranged to rotate a drive-shaft through unidirectional clutches (all not shown).
Patent GB-540637-A (GB)
Title: Improved machine for the internal coating of pipes
IPC: F16L58/12
Filed: 1939-07-20
Abstract: 540,637. Internally coating pipes. JUNGBLUT, C., and SOC. ANON. DES HAUTS FOURNEAUX ET FONDERIES DE PONT A MOUSSON. July 20, 1939, No. 21067. [Class 95] In apparatus for internally coating pipes with molten bitumen or like material, the pipe is rotated on its longitudinal axis, the coating material is distributed on a helical path within the pipe by a feeding tube under the action of a pump operated in response to the longitudinal advance of the feeding tube within the pipe, and the pump controlling device co-operates with a cam or the like in such manner that the speed of the pump varies automatically in response to the relative position of the feeding tube with respect to the pipe. In the apparatus shown, the pipe 1, to be internally coated, is rotated by rollers 2. The carriage 4, movable on rails 3, carries a tank 6 for molten bitumen 7, within which is the pump 10 communicating with the feeding tube 13. The piston 24 is actuated by a roller 35 which engages a stationary cam track 36. As the carriage is moved to the left, the roller moves up the part d, c, of the cam track, taking up any play existing between the parts 35, 32, 31, 30, 28, 27, 25 of the transmission. As the roller 35 passes along the portion c, b of the track, the pump is operated uniformly, and bitumen is discharged, at a uniform rate, within and along the pipe 1. The amount of bitumen delivered can be adjusted by the choice of the pivot point 31. Different thicknesses of coating can be obtained by altering the inclination of the cam track, and a variable output can be obtained by suitably sloping the cam track. The feeding tube 13 may be heated, e.g. by steam tubes 41, and a delivery valve 20 may be fitted at the end thereof.
Patent GB-212829-A (GB)
Title: Improvements in mud-guards for motor-vehicles
IPC: B62D25/18
Filed: 1923-08-22
Abstract: 212,829. Hviid, H. W., and Jensen, J. A. Aug. 22, 1923, Lateral-splash guards.-The usual rubber &c. shield 2 is carried by a casing 1, in which is mounted a vane-wheel 8 rotated by the movement of the vehicle, for example, by means of a belt or cord 10 from the road wheel, so that the vanes carry the bulk of the splashed mud towards the rear, to be intercepted by the casing 1. The splash guard for the front wheel is suspended by a bar 3 having a slot 4 engaging a rectangular stud 5 projecting from the axle. The guard for the rear wheel is suspended from the rotating wheel axle by a bearing member 12 adjustably secured by a slot and bolt connection to a bar 14 attached to the casing 1, which is held in position by a stay 15 connected to the mudguard 16.
Patent GB-1012319-A (GB)
Title: Water-soluble modified melamine-formaldehyde resins
Inventor: HILL ROGER FREDERICK
IPC: C08G12/34
Filed: 1962-06-01
Abstract: Cationic water-soluble modified melamine formaldehyde resins are obtained by condensing one mol. of melamine with at least 6 mols. of formaldehyde in the presence of at least 0.1 mol. of <FORM:1012319/C3/1> where n is an integer, R1, R2, R3 and R4 are independently H, alkyl or hydroxyalkyl, or a salt thereof, e.g. triethanolamine, diethylethanolamine or trimethylolaminomethane. The three reactants may be added in any order and condensation may be effected at 20 DEG  to 100 DEG  C. and acid, neutral or alkaline pH, preferably 7 to 12.  The products may be used to improve the wet-strength of paper and as anchoring agents for top coats on substrates, e.g. moisture proof coatings on cast cellulose. Specifications 630,618 and 832,203 are referred to.ALSO:Products of its condensation of 1 mole melamine with at least 6 moles formaldehyde in the presence of at least 0.1 moles of <FORM:1012319/D1-D2/1> or a salt thereof, n being an integer and R1, R2, R3 and R4 independently H, alkyl or hydroxyalkyl (see Division C3) are used as wet-strength agents for paper, being added at the wet end of the paper machine.  In an example (4) the effectiveness of such condensoles is compared with a prior art agent in respect of bleached sulphite pulp.  Specifications 630,618 and 832,203 are referred to.ALSO:Products of the condensation of 1 mole melamine with at least 6 moles formaldehyde in the presence of at least 0,1 mole of <FORM:1012319/B1-B2/1> where n is an integer and R1, R2, R3 and R4 are independently H, alkyl or hydroxyalkyl, or a salt thereof (see Division C3) are used as anchoring agents between topcoats and substrates.  In an example (8) such condensates are used as anchoring agents between a regenerated cellulose substrate and a commercial waterproof vinylidene chloride-acrylonitrile copolymer lacquer. Specifications 630,618 and 832,203 are referred to.
Patent GB-676787-A (GB)
Title: Improvements in and relating to amplifier circuits
IPC: H03F3/44
Filed: 1949-08-16
Abstract: 676,787. Valve amplifying circuits. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 16, 1949 [Aug. 28, 1948], No. 21336/49. Class 40 (vi) A wide-band amplifier comprises two valves connected in series across the H.T. supply, with inputs applied to grids in push-pull and the output taken between the junction of the valves and one side of the supply source, the push-pull inputs being taken from the anode and cathode of a single valve to whose input the signal is applied. As shown, an input, which may be a video signal or pulses, is applied to the grid of a phase-splitter valve 31, which supplies push-pull potentials to the grids of valves 41, 42 connected in series across the H.T. supply. With a positive-going rectangular pulse input, a negative pulse is applied to valve 41, while a positive pulse is applied to valve 42. A substantially rectangular negative-going pulse is produced across a capacitative load 44, since a vertical leading edge is produced by the rapid discharge of load 44 through the valve 42, and a vertical trailing edge is produced by the rapid charging of the load through valve 41. In order that the output pulse should be symmetrical, the anode and cathode resistors 34, 33 of phase-splitter 31 should be so proportioned that the voltage contributions of the valves 14, 42 are equal. This is achieved by making the inputs to valves 41, 42 inversely proportional to their gains, that is, by arranging that the cathode-to-grid potential of the valves is equal. A cathode resistor 43 may be included in the circuit of valve 42 to stabilize the circuit and compensate for inequalities in the characteristics of valves 41 and 42.
Patent GB-355899-A (GB)
Title: Process for the manufacture of changeant glass
IPC: C03C17/02
Filed: 1930-07-15
Abstract: 355,899. Making coloured glassware. GLASHTTENWERKE VORM. J. SCHREIBER & NEFFEN, Reitendorf, Czecho-Slovakia. July 15, 1930, No. 21363. Convention date, Aug. 8, 1929. [Class 56.] Glass which shows different colours according to the angle at which it is viewed is made by flashing a glass which is fluorescent with one or more layers of differently coloured glass, or vice versa. The fluorescent glass may be coloured with uranium, praseodymium, or neodymium. The covering glass is not fluorescent and preferably has an intense colouration.
Patent GB-650009-A (GB)
Title: Physical culture apparatus
IPC: A63B21/008
Filed: 1948-08-13
Abstract: 650,009. Exercising apparatus. GALLERET, P. F. Aug. 13, 1948, No. 21379. Convention date, Oct. 8, 1947. [Class 132 (i)] Exercising apparatus comprises a perforated piston 2 secured to the lower end of a piston rod 2a which is secured to a support, a fluidcontaining cylinder 1, with closed lower end which slides vertically on said piston, and a cable and pulley arrangement such that on pulling the cable the cylinder is raised and, on releasing it, it falls. The cylinder 1 is mounted to slide vertically between guiding members 3 of a main framework. When the cylinder is raised the liquid flows upwardly through the perforated piston 2 which is partly closed by an adjustable closure member 25, slidably mounted on rods 26 attached to the piston, so as to increase the resistance but when the cylinder descends the piston is left clear and falls quickly. A framework 30 supporting a seat 33 and foot rest 35 may be hinged to the main framework so that the apparatus may be used as a rowing machine.
Patent GB-970030-A (GB)
Title: Teaching aid
IPC: G09B19/02
Filed: 1963-05-29
Abstract: 970,030. Educational appliances; calculating apparatus. C. SCHRAMM. May 29, 1963 [June 22,1962], No. 21407/63. Headings G4B and G5G. A device for teaching arithmetic comprises a housing 1, Fig. 1, having a plurality of windows 14, therein with mathematical symbols 15, 16 between such windows, a corresponding plurality of sheets 7, 8, 9 bearing mathematical integers visible through corresponding windows, and a plurality of pegs 44, (Fig. 2, not shown) entering a plurality of peg openings 45 in the housing to actuate slides 20 or 30 which operate actuating cables to rotate the sheets. In operation, to indicate addition a peg 44 is inserted into a peg hole 45 to displace a slide 22, the slide pulling on cables 17 and 18 to rotate the sheets 7 and 9 so as to indicate the integer 1 in the windows 14 opposite sheets 7 and 9. Simultaneous insertion of pegs 44 to displace both slides 22 and 30, will actuate cables 17 and 18 and in addition cables 19 and 24, so that the latter pulls over to the left a block 33, which pulling on the cable 18 imparts to the wheel 9 an additional rotation corresponding to the number of pegs actuating slides 30, so that windows 7 and 8 indicate the integers corresponding to the number of pegs actuating slides 22 and 30, respectively, and the wheel 9 indicates the sum of the integers. The latter arrangement permits an addition combination of 5 + 5, corresponding to the number of actuating pegs 44. However, by removing a rod 41, which holds a drum 27 in a fixed position and, rotating an actuating knob 59 in either clockwise or anticlockwise direction to displace angularly the drum 27 the addition combinations up to and including 10 plus 0 and 0 plus 10 may be studied. By providing windows 14 in the opposite side of the housing a " minus" sign between the wheels 9 and 8 and an " equals" sign between windows 8 and 7, subtraction operation can be performed on removal of the corresponding actuating pegs 44.