baber/WOPTO huggingface dataset:
Patent GB-675551-A (GB)
Title: Improvements in bread-toasting apparatus
Inventor: SMITH ERNEST EDWARD
IPC: A47J37/08
Filed: 1948-11-08
Abstract: 675,551. Toasting-apparatus. MAYFAIR ENGINEERS & PLATERS, Ltd. Nov. 8, 1948, No. 27067/47. Class 28 (i). In an electric bread toaster wherein slices of bread are supported on a spring-loaded platform 17 movement of which by associated handles 127 to the toasting position, that is with the bottom of a slot 126 in a slide 121 rigid with the platform 17 engaging under a recess 23 of an adjustable pawl 110, automatically switches on the heating current, tensions the loading springs A of said platform, and springloads clockwork mechanism 25 through a rack rod 26 which is adapted, after a predetermined interval of time, to actuate the pawl 110 through a connecting rod 119 to release the platform and permit the toaster to be restored to its original condition, the said rod 119 is fitted with a temperaturesensitive device 133, preferably a bimetallic strip, to counteract an abnormal rise in temperature of the toaster due to continued use. As shown the end of the rod 119 is slotted at 120 to engage a pin 116 on the pawl 110 and the latter is tripped when the free end of the strip 133 forcibly contacts said pin. The pawl 110, which is pivoted at 114 to a pivoted lever 113, is set by a cam 104 rotatable by a control knob 107, and it may be tripped manually by a rod 108. The clockwork mechanism 25 is loaded by springs 132 disposed between a pin 118 on the rack rod 26 and the bottom of a spring-controlled slide 128 upon downward movement of the latter which is effected by the handles 127; the handles 127 project through slots 129 in the slide 128 and engage the lower ends of said slots before the platform 17 reaches the toasting position.
Patent GB-408237-A (GB)
Title: Improvements relating to a method of refining iron
IPC: C21C1/00
Filed: 1932-09-29
Abstract: In a process for refining iron in a blast or cupola furnace in the presence of refining agents carried into the furnace by the air blast, the slag is expelled continuously and rapidly by the air blast or gases generated in the furnace through an aperture or apertures which are permanently open.  The apertures may be provided above the liquid level in the furnace or the tapping holes for the slag are left open.  The refining agents may be injected through twyers placed above the ordinary twyers and may comprise potassium nitrate or carbonate, sodium chloride or carbonate, ammonium chloride magnesium oxide, barium carbonate, lime, fluorspar, or bleaching powder.  The charge in the furnace may include ferro-silicon containing at least 6 per cent of silicon or ferro-manganese containing at least 6 per cent of manganese.
Patent GB-663906-A (GB)
Title: Improvements in or relating to devices for curling and setting the hair
IPC: A45D24/22
Filed: 1949-10-21
Abstract: 663,906. Hairdressing appliances. DEAN,: J. D. Dec. 1, 1949. [Oct. 21, 1949] No. 27146/49. Class 131. [Also in Group XXIII] A hairdressing appliance comprises a bush provided with a back, bristles, and a handle portion, shaped as a hair cutter, a series of comb teeth extending sideways from each side of the back, a twist finger grip at the end of the brush back remote from the handle and an' absorbent applicator pad mounted on the back of the brush back. As shown, the appliance comprises a plastic moulding 10 forming a brush back 11 provided with bristles 16 and laterally extending curved comb teeth 15 of elliptical, cross-section. A sponge-rubber applicator 26, slit at each end and threaded on the handle 12 and on the twist grip 13, lies in a groove in the brush back. The device may be used as a brush, comb or applicator by rotation to bring the required part into position and can be used to form curls by grasping the knurled twist grip 13 and coiling the hair on the prongs 18, 19 of the handle.
Patent GB-224707-A (GB)
Title: Improvements relating to the attachment of power units to rigid airships
IPC: B64B1/40
Filed: 1923-10-30
Abstract: 224,707. Richmond, V. C., and Scott, G. H. Oct. 30,1923. Propelling; cars; pilot and other descending apparatus.- The propelling unit gondolas A of an airship are detachably secured to gantries on the airship framework and are raised and lowered by pairs of cords D connected to a winch K or to other securing points within the hull. Lugs on each gondola are secured to corresponding lugs on the gantry, or automatically engaging catches, adapted to be released from the interior of the airship, may be employed. A detachable stay L connects each gondola to the airship frame to prevent rolling. Tanks, arrangement of.-The petrol tanks and engine room telegraphs may be secured to and remain permanently on the gantry, otherwise all conftols, petrol tubes, &c. are led through a detachable tube from the interior of the airship.
Patent GB-674811-A (GB)
Title: Calling and signalling devices in multiple impulse transmission systems
IPC: H04J3/12
Filed: 1950-11-07
Abstract: 674,811. Pulse signalling. COMPAGNIE INDUSTRIELLE DES TELEPHONES. Nov. 7, 1950 [Dec. 10, 1949], No. 27224/50. Class 40 (v). In a pulse multiplex transmission system the calling signal consists in the suppression of the channel pulse. In the widthmodulated system, Fig. 1, outgoing speech is fed from the line 1 via the hybrid 2 to the modulator 5 and thence to line. On the application of ringing current to the line 1, relay 7 interrupts the output circuit of the modulator to suppress the channel pulse. Received channel pulses are fed to the selector 9 which selects the wanted pulse. The latter is then fed in parallel to the low-pass filter 10, which reproduces the modulation, and the band-pass filter 12, which reproduces a sinewave at the channel pulse repetition frequency (8 kc.). The two outputs are amplified in a common valve 15 and separated by filters 17, 18, the speech output of the former passing to the hybrid 2 and the 8 kc. output of the latter being rectified at 19 to hold unoperated a biased relay 20 controlling the application of ringing current to the line 1. In a modification, Fig. 2 (not shown), the circuit 12 is fed with the channel pulses and the channel selection pulses in antiphase so that no current is fed to the relay 20 (which is not now biased) until the incoming channel pulse is suppressed. In time-modulated systems the time-modulated pulses may be first converted to width-modulated pulses in the receiver and then treated as above-described.
Patent GB-283672-A (GB)
Title: Improvements in and relating to the treatment of cellulose fibres
IPC: D06P1/653
Filed: 1926-11-01
Abstract: 283,672. Courtaulds, Ltd., Hegan, H. J., and Taylor, J. H. Nov. 1, 1926. Yarns., treating with liquids. - The tendering effect produced on cotton, artificial silk and other cellulosic yarns &c. by treatment with tannic acid and stannous chloride, is obviated by a final treatment with a weakly alkaline agent such as a soap solution or a weak solution of sodium carbonate.
Patent GB-339629-A (GB)
Title: A combined box and smoker's ash tray
IPC: A24F19/00
Filed: 1929-09-10
Abstract: 339,629. Taylor, F. J. Sept. 10, 1929. Ash-trays. - The bottom A of a rectangular box B slides upon an external bead C to enable it to be drawn out and used as an ash-tray. The rear edge E of the tray is turned up to prevent complete removal. The provisional Specification states also that the tray may be hinged or pivoted to the box and that the hinged tray may serve as a lock on the box lid.
Patent GB-516045-A (GB)
Title: Improvements in and relating to methods of casting and apparatus for use therewith
IPC: B22D37/00
Filed: 1938-09-20
Abstract: 516,045. Casting. ZUNCKEL, B. Sept. 20, 1938, No. 27440. [Class 83 (i)] The speed of pouring from a casting vessel is regulated by varying the vacuum within the vessel. A vessel a with plugs d is filled with molten metal and a gas tight cover c is fitted. A pipe g has a valve e for controlling the vacuum. The rate of flow is varied by admitting air or gas through the pipe g or by lowering the pipe in the metal. In a modification a fixed pipe g and electric heating coils are fitted.
Patent GB-684029-A (GB)
Title: Improvements relating to indicating instruments
IPC: G01D13/02
Filed: 1949-10-26
Abstract: 684,029. Indicating-apparatus. FERRANTI, Ltd., STEWART, J., and ALLEN, C. Jan. 10, 1951 [Oct. 26, 1949], No. 27452/49. Class 106 (iv). Indicating - apparatus comprises a pointer 10, Fig. 1, traversing a circular scale 12 graduated from zero to a power of ten, a revolution counter 15 close to the zero mark indicating the number of complete revolutions the pointer has made with respect to zero when the pointer indicates zero or is near zero in the lower half of the scale and that number plus one when the pointer is near zero in the upper half of the scale, and a plurality of revolution counters 24, 25, 26, 27 close to other marks 2, 4, 6, 8 at least one in each half of the scale indicating the said number when the pointer is in their vicinity. The revolution counters comprise rollers with eleven equal spaces, marked with numerals 0, 1 ... 9 and a blank, which appear in elongated apertures 13, 20 to 23, the degree of rotation of the rollers being offset successively by a fifth of a space so that a numeral appears centrally in an aperture when the pointer is at the corresponding graduation mark. A sector-like opaque screen 30, moved by the pointer spindle 11 in a plane between the counters and dial, obscures the counters while they are changing from one numeral to the next. The pointer is made of two wires 10<SP>1</SP> to avoid obscuring the scale. In a modification shown in Fig. 7, a gearwheel 62 on the pointer spindle 11 drives through gear-wheels 63, 64, 56 a shaft 52 on which are fixed bevel gears 50, 51, 55 driving bevel gears 46, 47, 61 fixed on shafts 40, 43, 57 on which are mounted the rollers 26, 27; 25, 24; 15, the resultant reduction gear ratio being 11 : 1. The numerals on the drums may be marked at an angle to offset the skew position of the shafts 40, 43 and so appear in their apertures parallel to the scale numerals. In other modifications the rollers could be arranged with their axes horizontal so that their numerals traverse the apertures vertically. The rollers could move impulsively. The figure " 0 " on the rollers could be replaced by another blank, the scale could be graduated anticlockwise and the zero could be at the bottom. To indicate up to 999, the scale may be marked from 0 to 100 while the rollers indicate the hundreds, or the scale may be marked from 0 to 10 and each counter have an additional " hundreds " display on the left of the " tens " one.
Patent GB-995184-A (GB)
Title: Urea synthesis process
IPC: C07C273/04
Filed: 1963-07-11
Abstract: A process for synthesizing urea at a constant stoichiometric production rate while maintaining process equilibrium comprises reacting ammonia, carbon dioxide and recycled ammonium carbamate solution at elevated temperature and pressure in an autoclave, decomposing unconverted ammonium carbamate in the autoclave effluent stream to generate an off-gas stream containing ammonia, carbon dioxide and water vapour, at least partially condensing said off-gas stream to form a stream of aqueous ammonium carbamate solution, and recycling said ammonium carbamate solution to the urea synthesis, the rate of recycle of said solution being modified in direct response to process variation in the concentration of said solution, whereby said solution is restored to its original concentration.  The variation in the concentration of the recycled solution may be measured by means of variation in viscosity.  The rate of solution recycle may be controlled by adjusting the rate of removal from an absorber wherein the off-gas and steam obtained by heating the aqueous urea stream are partially absorbed by the recirculating aqueous ammonium carbamate, the level of the aqueous ammonium carbamate in the absorber being maintained at a constant level by controlling the rate of steam generation from the aqueous urea solution in response to the changes in said level.  If desired two absorbers may be employed, these being fed with first and second gas-streams from a two-stage decomposition of the ammonium carbamate in the effluent stream.  Specification 930,213 is referred to.
Patent GB-1415960-A (GB)
Title: Heat exchange apparatus
IPC: F04D17/04
Filed: 1973-06-08
Abstract: 1415960 Resistance heating element FURNOFAN Ltd 8 June 1973 [8 June 1972] 27509/73  Heading H5H [Also in Divisions F1 and F4] In air heating apparatus 10 incorporating a cross-flow blower comprising a squirrel cage rotor 28 mounted for rotation about an axis 30 within a housing 12, air entering through an inlet 23 is heated by means of a plurality of stationary parallel spaced apart electrically heated fins 56 disposed within the rotor 28 transverse to the axis of rotation 30. Each fin 56 is crescent-shaped in outline and is formed with a plurality of slits or perforations which serve to increase its electrical resistance. The slits can be arranged to form various patterns in the fin (see Figs. 4a-4e), e.g. concentric circles (Fig. 4b), concentric annular segments (Fig. 4c), a simple spiral (Fig. 4d) or a pair of spirals (Fig. 4e). Extra rigidity may be given to the fins 56 by corrugation or flanging adjacent the slits (see Figs. 6a and 6b, not shown). A small amount of recirculating flow is produced by an air scoop structure 42 in combination with an elongated air foil 50, the recirculated air being injected back into the rotor 28 where it helps to maintain a stable vortex 55.
Patent GB-431017-A (GB)
Title: Improvements in and relating to voltage indicating means for transformers
IPC: H01F27/40
Filed: 1934-09-25
Abstract: 431,017. Transformers. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. Sept. 25, 1934, No. 27524. Convention date, Sept. 28, 1933. [Class 38 (ii)] In a transformer an additional winding 15 is provided for voltage measurement, a .correction for leakage being obtained by means of one or more windings 18, 19 situated outside the core in the path of leakage flux. A selector switch 20 enables the winding 15 and one or the other of the corrective windings to be connected in series to the voltmeter 16 to give a reading proportional to the voltage of one or the other of the main windings 13, 14. A condenser 21 may be provided for phase angle correction. The windings 18, 19 are tapped to enable adjustment to be effected.
Patent GB-518594-A (GB)
Title: Improvements in liquid fuel pumps for internal combustion engines
IPC: F04B53/12
Filed: 1938-09-21
Abstract: 518,594. Liquid-fuel piston pumps. S.P.I.C.A., CASSANI, F., and CASSANI, G. Sept. 21, 1938, No. 27548. [Class 102(i)] In a liquid-fuel pump for internal-combustion engines in which a single piston is displaced by a cam A or by hand against the action of a spring L, said piston drawing fuel into one end of the cylinder E through a suction valve during one stroke, which fuel is conveyed to the other side of the piston through a transfer valve during the other stroke of the piston for delivery to an injection pump or carburettor, the piston B is of hollow form which slides directly on the inner surface of the cylinder E, is mechanically coupled to a plunger C, and is provided in its operative end with a number of perforations G adapted to be closed by a spring-pressed transfer valve F slidably mounted within said piston. The chamber R on the delivery side of the piston is connected by a passage S which leads directly to the injection pump or carburetter through a second passage located on the same side of the axis of the piston as the supply pipe which leads to a filter and then to the suction valve.
Patent GB-1022951-A (GB)
Title: An improved adhesive-applying machine
Inventor: RALPHS GEORGE TREVOR
IPC: A43D25/18
Filed: 1961-07-31
Abstract: 1,022,951. Coating apparatus. RALPHS ENGINEERING CO. Ltd. May 17, 1962 [July 31, 1961; Feb. 9, 1962; March 8, 1962], Nos. 2 7694/61, 5084/62 and 8881/62. Heading B2B. An adhesive-applying machine comprises a serrated applying roller 10 and a presser roller 14 yieldable in a radial direction. The periphery of roller 10 is subdivided into zones by spaced circumferential grooves, and in each zone the crests of the serrations extend lengthwise of the roller in lines. The roller 14 comprises a group of rolls 15 separated by washers 24 and mounted on a common spindle 16. Each roll 15 comprises a metal boss 17, rubber or polyurethane disc 19 and metal peripheral ring 18. The rollers 10 and 14 are rotated in opposite directions at the same peripheral speed, and the distance between the rollers 10 and 14 may be varied. The roller 10 receives adhesive from reservoir 35, to which adhesive is pumped by pump 28 from tank 33, and applies it to the article passing through the nip between rollers 10 and 14.
Patent GB-323238-A (GB)
Title: Improvements in power-driven rock-drills
IPC: E21C25/64
Filed: 1928-09-27
Abstract: 323,238. Kellow, M. Sept. 27, 1928. Channelling-drills.- In channelling rock, a cross bar b is attached to the rock face by screwed rods c which enter the boreholes, thrust rods e being arranged to have a canting effect on the rods c so as rigidly to secure the cross bar ; the channelling machine. which may be a rock drill as described in Specification 13067/14, [Class 83 (iii), Metals, Cutting], is slidable on the cross bar and may be locked by an adjustable member a<2>. The thrust rods e may engage cranked members d. The channelling machine may have a thrust rod f which is engaged with the rock face to eliminate vibration. The cross bar may have equidistant holes which in turn receive a removable peg to assist in positioning the machine. A spirit level g is provided on the machine. The channel is preferably formed by boring equidistant holes and then enlarging the holes.
Patent GB-321772-A (GB)
Title: Improvements in holders for cigars and cigarettes
IPC: A24F13/22
Filed: 1929-06-26
Abstract: 321,772. Gabriel, R. C., (trading as Gabriel, Sons, & Co., J.), and Jakins, E. M. June 26, 1929. Cigar and cigarette holders.-A holder comprises a clip or ring a for attachment to the smoker's finger, a hollow shank c integral with the clip or ring, and a pair of jaws d, e each pivoted on the shank c and closed on a cigarette by a spring k, a lever arm h being formed integral with the jaw d. The jaw d is shaped at i to engage the jaw e when the arm h ispressed to open the jaws.
Patent GB-391036-A (GB)
Title: Improvements in cable clamps
IPC: F16G11/04
Filed: 1932-10-07
Abstract: 391,036. Cable cappings and couplings. FIEGE, H. C., 1342, South State Street, Green Bay, Wisconsin, U.S.A., and MORROW SCREW & NUT CO., Ltd., Ingersoll, Ontario, Canada. Oct. 7, 1932, No. 27959. [Class 109.] Each of the two ends to be joined is passed through the hollow centre of an externally screw-threaded member 17, the end is frayed, and the strands are placed in grooves in a wedge 21 of double conical form. The member 17 is thereafter screwed into a member 13, and the members 13, 17 inserted in a turnbuckle 10. A recess 16 is provided in the member 13 to receive the ends of the strands. The turnbuckle 10 may be dispensed with, and the member 13 formed integrally with an eye or a swivel hook.
Patent GB-302761-A (GB)
Title: Improvements in the preparation of emulsions of liquids or solutions
IPC: C09K23/00
Filed: 1927-10-20
Abstract: 302,761. Redlich, B. Oct. 20, 1927. Emulsions, making.-Aqueous emulsions or colloidal suspensions of liquids, for example oils, or solid substances, for example, sulphur, waxes, resins, dissolved in solvents, are prepared by intimately mixing the liquids or solutions with colloidal precipitated inorganic powdery substances such as dried precipitated silicic acid, alumina or ferric oxide, and stirring the mixture into water. Preferably the liquid is sprayed into the, solid ingredient and the mixture subsequently made uniform by grinding or the like. The quantity of liquid used should not be greater than 50 per cent of the solid and is preferably 15-25 per cent thereof. On mixing with water most of the solid matter is precipitated and the remainder may be removed, for example by a centrifuge. The final products are stable, clear or milky liquids which may be concentrated by evaporation or centrifugal force to 40 or 50 per cent or even to 90 per cent of suspendied matter, the concentrated products being of buttery character but being still miscible with water. Small quantities of protective colloids or stabilizers, for example, soap may be added to the concentrated products. Examples of the process are as follow : (1) 1 kilogram pure dried colloidal precipitated silicic acid is mixed intimately with 200 gms. earth-nut oil. (2) 500 gms. of silicic acid as above are mixed with 10 gms. sulphur dissolved in 30 gms carbon disulphide. These mixtures are subsequently stirred into water to form clear emulsions or suspensions.
Patent GB-1242048-A (GB)
Title: Sliding clasp fastener stringers
Inventor: AUSTIN CHRISTOPHER FREDERICK
IPC: A44B19/56
Filed: 1969-06-03
Abstract: 1,242,048. Knitting. LIGHTNING FASTENERS Ltd. 22 June, 1970 [3 June, 1969], No. 27972/69. Headings D1C and D1K. [Also in Division E2] A warp-knitting machine for knitting sliding clasp fastener stringers comprises a trickplate 10 in which a row of knitting needles 11 is mounted and yarn guides 13 controlled in known manner to feed yarn 14 for knitting into a carrier tape 15. A series of coupling elements 18 is fed through a guide 16 to a position adjacent the edge of tape 15. A sewing needle 19 is mounted in a slide 20 which reciprocates in a slideway 20 and is arranged to reciprocate twice between adjacent elements 18. During one cycle of the needle 19, it moves to the rear of the machine in between two yarns 14 and on its return its hook 22 engages a yarn 14a and draws a loop 23 between elements 18 and through a previously foamed loop 24. The knitted tape 15 is then fed through one course and on the next rearward movement of the needle 19 the loop 23 is carried by the needle 19 and a newly formed loop is drawn through it on forward movement of the needle 19 so that on each reciprocation of the needle 19 a loop of yarn is interlinked with a previously formed loop, the yarn being knitted into the tape 15. In a second embodiment two yarns (14a) (14b), Fig. 5 (not shown) are interlinked about the filaments of the elements by reciprocating the needle 19 in a horizontal arcuate path as well as reciprocation along its longitudinal axis.
Patent GB-195112-A (GB)
Title: Temporary loose leaf binder
IPC: B42F13/00
Filed: 1921-10-21
Abstract: 195,112. Pitt, W. P. Oct. 21, 1921. Locking-followers; covers.-In a loose-leaf binder of the type comprising a pair of post-carrying members, Fig. 7, adjustably secured together by pairs of sliding members which become locked automatically against outward movement, the locking means consists of a friction member or cam 19 mounted upon one of the sliding members and adapted to engage the other sliding member by friction. The sliding members 10, 11 are provided with channel portions 14, 15 which fit over the horizontal parts of the members 1, 2, after the latter have been covered with binding material, and are secured thereto by punching indenta. tions from the channel portions into holes 17 in the members 1, 2. Telescopic posts 3, 4 are attached to the members 1, 2. Grooves 13 are provided on the member 11, in which flanges 12 on the member 10 are adapted to slide. The friction member 19 is pivoted by a pin 18 to the member 11 and is provided with a finger-piece 21 by means of which it can be moved so as to engage frictionally with one of the flanges 12 on the member 10 so that any tendency to outward movement of the members 10, 11 would increase the jamming action. A spring 23 secured to the member 11 holds the member 19 in either of its extreme positions, and a turned-in portion 24 of one of the flanges 12 prevents complete separation of the members 10, 11 by engaging the point 20 of the member 19 and forcing it into the locking position. Each cover 7 is provided with an arcuate groove 26, Fig. 13, at its inner edge in which a tube 27 is secured by the binding material 28. A hinge-pin 6 passes through the tube 27 and barrels 5 on the members 1, 2.