baber/WOPTO huggingface dataset:
Patent GB-452443-A (GB)
Title: Improvements in and relating to furnaces for heating glass plates for tempering
IPC: C03B27/052
Filed: 1935-02-21
Abstract: 452,443. Furnaces for heating glass sheets. PILKINGTON BROS., Ltd., 703, Tower Building, Water Street, Liverpool, and FORBES, L. J.-B., The Crossways, View Road, Rainhill, St. Helens, both in Lancashire. Feb. 21, 1935, No. 5660. [Class 51 (ii)] A continuous multi-stage furnace for heating, prior to tempering, suspended glass sheets is closed at its ends 9 and provided, in the first and last stages 1, 2, with roof slots through which the sheets 4 are respectively lowered into and raised out of the furnace. These slots may be connected by a longitudinal roof slot in which the suspension means for the sheets travel, or the latter may be moved through the furnace on a runway provided therein. In the construction shown, in which the sheets 4 travel between electric heating elements 36 from the first stage 1 through a number of intermediate stages 3 to the final stage 2, the roof 6 is provided with a continuous slot 10 which is sealed by cover plates 12 carrying the sheet suspending tongs 7. The cover plates 12 are secured to pedestals 13, having wheels 14 adapted to run on rails 15, and are each provided with a mushroomheaded bar 19 for engagement by the lifting and lowering tongs 21 disposed above the first and last stages 1, 2. The tongs 21 are suspended from girders 20 which are vertically movable in guide frames 23 by cables 24, an upper runway 27 being provided to receive the wheels 14 when a sheet 4 is raised from the last furnace stage 2. Engagement of the wheels 14 with the rails 27 is permitted by the provision in the latter of gaps adapted to be closed, when the cover plate 12 with its suspended sheet 4 has been raised, by pivoted members 30 having operating rods 33. A pair of blowing frames 35 for cooling the sheets 4 is provided above the last stage 2 ; after cooling, the' plate 12 with its sheet 4 is moved on the rails 27 to the position 29 where the cooled sheet is removed and a new sheet attached, the plate 12 being then run into the charging position 26 above the first stage 1. To prevent entry of air through the roof slot when a sheet is raised from the stage 2, there is provided an auxiliary coverplate 12 which is attached to weighted cables 37 so as to move automatically into closing position.
Patent GB-1368726-A (GB)
Title: Method and apparatus for sample collecting
IPC: G01N1/02
Filed: 1973-02-05
Abstract: 1368726 Collecting gas samples for analysis ECODYNE CORP 5 Feb 1973 [17 March 1972] 5676/73 Heading G1B In a method and apparatus for obtaining samples of airborne particles or droplets emitted from cooling towers, the samples are collected isokinetically i.e. with minimum disturbance of air-flow so that a representative sample of suspended particles is obtained. A sample collecter 32 is positioned at one of a selected number of positions on a monorail 50 with the plane of its opening perpendicular to the gas stream. A cyclone separator 34 separates the liquid and/or solid constituents from the gas, which is/are collected in a jar 36 for analysis. The speed of a blower 42 is controlled by pressure sensors 44, 46 so that the gas outlet at 53 has a speed equal to that at the collector inlet 33, therby obtaining an isokinetic sample. The monorail 50 is rotated by means 85 comprising a follower 99 lockably mounted in a slot 100, until a vane 82, pivotally mounted on sensor 44 is parallel therewith, this adjustment assuring that the plane of the collector inlet 33 is perpendicular to the flow of the tower outlet.
Patent GB-557315-A (GB)
Title: Process for the removal of mercaptans from hydrocarbon distillates
IPC: C10G19/04
Filed: 1942-04-29
Abstract: 557,315. Purifying hydrocarbons. SHELL DEVELOPMENT CO. April 29, 1942, No. 5754. Convention date, May 26, 1941. [Class 91] In the removal of mercaptans and other acidic bodies from hydrocarbons by treatment first with alkali to remove the stronger acids and then with alkali solution containing a solubility promoter, as described for example in Specifications 494,450, 499,678, 503,644, 503,645 506,574, 509,669, 527,509, 528,904, 529,997 and 539,867, an intermediate treatment with washing, adsorbing, or coalescing agents is introduced for the purpose of saving losses of solubility promoter, maintaining the activity thereof, and promoting the graldual building-up in the solubility promoter solution of contaminating substances such as sodium ions, organic anions and solid organic salts. As washing agents, water substantially free from electrolytes such as calcium or magnesium salts may be used, or water containing mineral acids of relatively low oxidation potential such as hydrochloric, sulphuric, sulphurous, and phosphoric in concentrations up to about 5 per cent. As adsorbents, clays such as Fuller's earth, acid activated bentonites, acid activated clays, bauxite or alumina, and such substances as ferric hydroxide gel, silicic gel, and alumina gel may be used. As coalescers, acidic water-insoluble substances which are preferentially wetted by water are employed and maintained in a wetted condition, such as diatomaceous earths, silica sand, crushed basalt, quartz, granite, glass wool, rock wool, steel wool and asbestos. In an example, a sour petrol containing mercaptans was treated with caustic soda of 40‹Be., and the separated petrol then contacted with steel wool packed in an extraction tower, after which it was extracted with a solution of potassium hydroxide with potassium isobutyrate as a solubility promoter. During a two-day operation the resulting petrol had an average alkalinity of 0.0005 per cent. KOH by weight. The coalescer was then washed with water for three hours, whereupon the alkalinity of the next batch of petrol dropped to 0.0002 per cent.
Patent GB-1210195-A (GB)
Title: Improvements in or relating to apparatus for reading record cards
IPC: G06K13/02
Filed: 1969-02-03
Abstract: 1,210,195. Card readers. BULL GENERAL ELECTRIC (NEDERLAND) N.V. 3 Feb.. 1969 [12 Feb., 1968], No. 5770/69. Heading G4M. The presence of a manually inserted card is detected by a photo-cell (65), not shown, and energizes the forward winding of a synchronous motor 15 coupled to a roller on spindle 18 so that the latter drives the card forward by engaging one edge thereof. When the card arrives at a pre-read position, the photo-cell (65) is unmasked and the reading cells 56 are masked by the leading card edge, and this causes motor 15 to be de-energized. Magnets such as 52 are then energized to raise flap 50, blocking the card inlet, to raise shutter 45 so that a guide 63 carried by an endless band 37 trained round pulleys 48, 38 engages behind the rear card edge, and to lower spindle 18. Forward pulses from a control unit drive a stepping motor coupled to pulley 38 so that band 37 carries the card column-by-column past reading cells 56. Band 37 also carries coded perforations identifying the numbers of corresponding columns of a card, and these perforations are sensed by cells 60 At any time, provided band 37 is not in its zero position detected by two of cells 60, the control unit may supply backward stepping- pulses so that certain columns of the card may be read more than once. When the card is again in the pre-read position, the magnets and motors are de-energized until an eject signal is received from the control unit, whereupon motor 15 is energized for a fixed time duration in the reverse direction and magnet 35 is energized to engage rollers 33, 24 to eject the card.
Patent GB-208059-A (GB)
Title: Improvements in or relating to the sifting of granular or pulverulent materials
IPC: B07B4/08
Filed: 1923-02-28
Abstract: 208,059. Harrison, S. T., and Harrison, A. C. Feb. 28, 1923. Fixed sieves.-In sifting machines of the kind comprising a sieve mounted in a rigid frame and adapted to be vibrated as described in Specification 202,799. the sieve a is mounted at the top of a box b and a current of air is caused to pass downwardly through the sieve to assist the sifting action, and through a screen or filter device. In one construction the motor d actuating the sieve-vibrating device c drives a fan e which exhausts the air from the box b and induces an air current through the sieve a. The heavier of the materials which pass through the sieve is deposited in the box b and removed periodically by a door f. The air carrying the finer particles passes first through a screen h into a flue g and is discharged through a number of filter bags. In a modification, the screen is entirely enclosed and the air current caused to move in a continuous cycle. The screen h is cleaned by an agitator rod m.
Patent GB-1006642-A (GB)
Title: Method of polymerization
IPC: C08F36/04
Filed: 1964-02-12
Abstract: A polymerization catalyst complex comprises a preformed base catalyst resulting from the reaction of an organo-aluminium etherate and titanium tetrachloride which has been activated by at least one additional organo-aluminium aromatic etherate or organo-aluminium compound or organo-aluminium furanate. Diolefins and a -olefins may be polymerized with this catalyst in bulk or in solution, the monomers exemplified being isoprene, ethylene and pentene-1. Many organo-aluminium etherates are specified of which aluminium triisobutyl etherates of ethyl ether, phenyl ether, tetrahydrofuran, dimethoxymethane, and benzyl ether are exemplified as preformed base catalyst components. Activators exemplified are; the aluminium triisobutyl etherates of ethyl ether, phenyl ether, furan, dibenzofuran, 2,4-dichloroanisole, 2 - methoxynaphthalene, 2 - ethoxynaphthalene, bis-(p-fluorophenyl)ether, anisole, p-phenylanisole, and p-diethoxybenzene; and the organo aluminium compounds aluminium triisobutyl, aluminium trimethyl, aluminium tri-n-propyl, aluminium triethyl, and aluminium diethyl monochloride.
Patent GB-272266-A (GB)
Title: Improvements in filters and the like
IPC: B01D35/02
Filed: 1926-03-02
Abstract: 272,266. Hatcher, E. C. March 2, 1926. Strainers comprising grids or gratings. - A strainer for liquids or gases is formed by a spiral or coil of wire of circular, rectangular or other cross-section, means being provided whereby the spiral or coil can be compressed or wound up to vary the distance between the convolutions whilst the strainer is in operation. A coil e, Fig. 1 in a casing c, having inlet a and outlet b, is seated at the top in a recess d and at the bottom against a bush g which screws into the bottom of the casing. The coil is supported externally by ribs on the inner wall of the casing and internally by ribs projecting from a liner t. Impurities separated by the coil fall on to a cap h and are removed when the latter is unscrewed. An upward projection p from the cap normally holds a valve j away from its seating l towards which it is pressed by a spring m. On removal of the cap the vahe is closed but on subsequent withdrawal of the bush g and, with it, of the valve seat, a space is left for the passage of matter flushed from the spiral, the convolutions of which will be opened by the withdrawal of the bush. The ribs on the liner may extend downwards to engage with slots in the valve, and a screw w passing through the extension q of the valve engages between ribs on the bush, so that the liner t, the valve and the bush may all rotate together, the liner dislodging matter from the coil. A coil 1, Fig. 3, is wound on a longitudinally grooved core 2 under pressure from a disc 11 carried by an adjusting screw 12. Fluid supplied by a bore 4 strains outwardly from the grooves 3 and is discharged through an outlet 13. When the coil is loosened the disc 11 closes the outlet 13, and the flushing fluid is discharged through a cock 14. A flat spring 25, Fig. 5, is mounted between two body pieces 20, 21, held together by a bolt 24 and connected respectively to supply and delivery pipes. The inner end of the spring is fixed to a tube 26 on the bolt, and the outer end is fixed to a ring 27 fitting closely between the body pieces but. rotatable relatively thereto so as to regulate the winding of the spring.
Patent GB-1345691-A (GB)
Title: Apparatus for unloading the contents of containers
IPC: B65B69/00
Filed: 1972-02-08
Abstract: 1345691 Discharging containers by tipping SOVEX Ltd 8 Feb 1972 [17 Nov 1971] 5872/72 Addition to 1235074 Heading B8E The embodiments of unloading apparatus described in the parent Specification 1,235,074, are each provided with means for controlling the speed of the discharge conveyer dependant on whether an article is detected thereon. As described a light source projects a beam across the conveyer near its discharge point for sensing by a photo cell and when the beam is interrupted the speed of the conveyer is reduced during this period and for a predetermined time delay. The interruption of the beam may also be used to control the movement of the unloading fence so that the flow of articles from the unloader is still better controlled.
Patent GB-681619-A (GB)
Title: Improvements in self-locking gearing
IPC: G03B27/56
Filed: 1950-03-09
Abstract: 681,619. Photographic enlargers. NICHOLLS, K. H., and WIFFEN, S. M. March 5, 1951 [March 9, 1950], No. 5907/50. Class 98 (i). [Also in Group XXIV] An irreversible gear 26 incorporating frictional locking means is employed to raise a photographic enlarger head 11 by means of a sprocket drive between a shaft 22 and a length of roller chain secured to a vertically slidable column 18 carrying the head. The irreversible gear 26 comprises a fixed friction drum 28, Fig. 3, within which is mounted a cylinder 29 attached to a handle 34 and carrying a pinion 33 engaging a gear 37 on the driven shaft 24. A spring 36 presses the cylinder 29 against a retaining ring 31 to balance the handle 34. The tendency, due to the weight of the head 11, of gear 37 to rotate pinion 33 causes the cylinder 29 to lock against the drum; the common tangent to the pitch circles of the gear and pinion, i.e. the line along which the locking force acts, intersecting the drum 28 at a point such that the angle between the line and the radius is less than the angle of friction. In a modification, Fig. 6, a fixed drum 42 houses a solid cylinder 41 connected to a handle 54 and having a diametral slot in which are slidable two members 47 engaging and driving a dog 49 on the driven shaft. A tendency for reverse action forces the members 47 against the drum. Alternatively, Fig. 8 (not shown), a dog on the driven shaft is engaged by two spaced semicircular members mounted in a fixed drum and driven by a pair of spaced dogs connected to a handle. In a further modification the driven shaft is formed with an eccentric engaging an eccentric bore in a friction cylinder which is mounted in a fixed drum and has a handle attached thereto.
Patent GB-1375111-A (GB)
IPC: B65G35/00
Filed: 1972-02-08
Abstract: 1375111 Conveying a web of textile material STORK AMSTERDAM NV 8 Feb 1972 5908/72 Headings B8A and B8R Sheet material 10 is conveyed in loops through a steam heated chamber by each loop being suspended on a respective rod 5 which travels on spaced guides 4 (one guide, only, visible in Fig. 1). The downstream end of each loop is picked up by its respective rod 5 when the latter is carried by its opposite ends in respective holders 25 (Fig. 12) carried by endless chains 8, 8. The latter feed the rods 5 sucessively to the beginning of the guides 4 and detach the rods 5 from the ends of the guides after the material has been drawn off at 15. A rod 5 carrying the front end of a loop is being dropped on the beginning of the guides 4 just as the next rod upstream on the conveyer chains 8 is about to engage the downstream end of the loop (Fig. 2). Each rod carries an eccentric, semi-circular, mass 26 at each end (Fig. 12). This prevents the rod from turning while in engagement with the loop and also provides flanges which protect the edges of the fabric from engagement by the chains 8, 8. In a modification (Fig. 14, not shown), the mass 26 is circular.
Patent GB-452053-A (GB)
Title: Improvements in and relating to aircraft
IPC: B64C23/00
Filed: 1935-02-26
Abstract: 452,053. Flying-machines. MALCOLM, A., 66, South Street, Perth. Feb. 26, 1935, No. 6103. [Class 4] A flying-machine comprises a louvred plane of snow-shoe-like outline beneath which is suspended propelling gear comprising air screws adapted to be swivelled about a transverse axis to act either as tractor or as helicopter screws. The plane includes a peripheral frame A, Figs. 1 and 2, and cross members B<1> to B<5>. C<1> and C<2> are front and rear elevators. Longitudinal vanes E are hinged to the cross members and transverse vanes F are hinged to fore-andaft stays. A chassis frame comprises uprights D<1> and bottom rails D<2> ; the latter support propelling mechanism comprising front and rear pairs of air screws G driven by bevel gearing from transverse shafts, Fig. 4. The bevel gear housings may be rotated to alter the line of action of the air screws by lever-androd mechanism actuated by either of two hand levers P<1>, <p2>. Landing legs L are attached to the bevel drive housings. Fluted rudders K<1>, K<2> are provided. Look-out apertures R<1>, R<2> are formed in the plane. The control levers work in gates such that vanes F may be locked in position without preventing control of vanes E.
Patent GB-258787-A (GB)
Title: Improvements in and relating to electric measuring instruments
IPC: G01R11/10
Filed: 1926-03-04
Abstract: 258,787. British Thomson-Houston Co., Ltd., (General Electric Co.). March 4, 1926. Induction motor meters; special quantities, registering. - The overload errors of meters are compensated by automatically varying the effect of the brake magnet by means responsive to overcurrent or over-voltage. Fig. 1 shows an induction motor meter having permanent brake magents 12 acting on a rotating disc 10. A magnetic shunt 16 is carried by an arm 17 pivoted at 18 and normally set, by means of an adjustable stop 19, so that only a negligible proportion of the flux of the permanent magnets 12 is shunted. The load current is passed through a heating- element 22 in thermal contact with a bimetallic spring 23. Secured to the upper end of the arm 17 is a second bimetallic spring 24 with its free end engaging the free end of the spring by means of a knife-edge joint 25 formed by passing the spring 23 through a slit in the spring 24. When an overload current passes, the spring 23 is bent downwards, causing the magnetic shunt 16 to be moved to the left, and thereby shunt a greater proportion of the flux of the magnets 12. The influence of the brake magnet is thus weakened to compensate for the increased braking action of the driving magnet at high loads. The spring 24 compensates for changes in atmospheric temperature. In a modification shown in Fig. 2 the magnetic circuit of the brake magnet 26 is closed through a bar 27 of material having a negative temperature coefficient of permeability. The bar 27 is arranged to be heated by a resistance 28 supplied from a current transformer 29 in the load circuit. At high loads the bar 27 is heated, reducing its permeability and decreasing the braking flux passing through the disc. The heating-elements 22, 28 may be arranged to be responsive to excessive voltages. The invention may be applied to reactive component meters. Specification 233,358 is referred to.
Patent GB-230479-A (GB)
Title: Improvements in and relating to steam turbine installations
IPC: F22D1/36
Filed: 1925-03-06
Abstract: 230,479. British Thomson-Houston Co., Ltd., (Assignees of Richardson, E. L.). March 6, 1924, [Convention date]. Feed-water, heating. - The supply of lowpressure steam from a source other than the main turbine, for heating feed-water in a heater 12 is controlled according to the pressure of this steam and the temperature of the water leaving the heater. In the example, the supply of steam from the main 2 to the auxiliary turbine 17 is regulated by electrically controlled valve means 21. The exhaust from this turbine passes to the heater 12 to heat condensate, from the main turbine 1 and condenser 4, which passes by way of the conduit 11 from a heater 9 supplied with steam from a low-pressure stage of the turbine 1. Electrical contacts 29, 34 and 30, 35 are connected so that each pair is in series. A pressure responsive device 32 with bridge-contact 31 is in communication with the exhaust steam pipe 16 and a thermostat 38 with bridgecontact 36 is connected to the outflow 13 from the heater 12. When both pressure of steam and temperature of water rise or fall current passes to actuate the valve device 21 to diminish or augment the supply of steam to the turbine 17 and hence to the heater 12.
Patent GB-850843-A (GB)
Title: Improvements in and relating to ammonia synthesis
Inventor: WATCHORN NOEL
IPC: C01C1/04
Filed: 1958-02-26
Abstract: Ammonia is synthesised from a mixture of nitrogen and hydrogen, at elevated pressure and temperature, by means of a catalyst produced by preforming an iron compound into pieces of desired size and shape in presence of a binding or pelleting agent (and optionally promoters), drying, if necessary, to remove excess moisture and heating at a temperature at which sintering of the catalyst occurs.  The preforming process may be effected by one of the following alternatives:-(a) extrusion and cutting the extrudate, the pieces of which can be subjected to a rolling process; (b) iron oxide is passed continuously, preferably from a vibratory feeder, into a rotating cylindrical vessel, the diameter of which is greater than the height and the axis of which is at an angle (preferably 30-45 degrees) to the horizontal, a spray of binding agent solution being directed into the vessel; (c) pelleting with an agent such as graphite.  Promoters mentioned are K2CO3, CaCO3 and Al2O3; in process (b) they may be introduced either into the oxide or into the spray of binding agent solution.  The binding agent may be, e.g., starch or an alginate such as Mg alginate, the quantity of said agent being preferably 5 wt. % of the material to be extruded or granulated; the extrusions or granules are preferably dried at 120 DEG C.  Sintering is preferably effected in the range 1000-1500 DEG C. In the example, magnetite is mixed with the specified promoters, 3% of 5% aqueous Mg alginate is added and the dross is extruded, cut into 1 inch lengths, dried for 2 hours at 120 DEG C., heated at 1400 DEG C. for 30 minutes, and then allowed to cool slowly.  The ammonia synthesis is effected, e.g., under the following conditions:-(1) N2:H2 volume substantially 1:3; (2) 200-500, e.g. 250 atm.; (3) 400-600 degrees, e.g. 450 DEG C.; (4) V.H.S.V. 5000-40,000.