baber/WOPTO huggingface dataset:
Patent GB-1531374-A (GB)
Title: Rotary filter apparatus having slurry agitator
IPC: B01D33/00
Filed: 1977-02-17
Abstract: 1531374 Rotary drum filter TECHNICAL FABRICATORS INC 17 Feb 1977 06801/77 Heading BID A rotary drum filter includes an agitator 50 in the form of an arcuately reciprocating vane which prevents the slurry in tanks 10 below the drum 16 from settling out. Agitator 50 typically reciprocates through 90‹ at 50 to 250 cycles per minute, and details are given of optimum speed relative to slurry settling times and of relative volumes of the tank and space swept by the agitator and spacing between the drum and the agitator and tank walls. The agitator may be driven by a variable speed D.C. motor. As shown an endless porous belt 35 is entrained round the drum and supports the filter medium 38, which is a disposable length of newsprint. One hollow support shaft of the drum leads to a filtrate-extracting pump and the other shaft is connected to a drive motor (Fig. 2 not shown).
Patent GB-819754-A (GB)
Title: Couplings for pipes of thermo-plastic material
IPC: F16L47/04
Filed: 1957-03-01
Abstract: 819,754. Pipe couplings. WEDNESBURY TUBE CO. Ltd., and CARTLIDGE, E. Feb. 25, 1958 [March 1, 1957], No. 6823/57. Class 99(1). A coupling for thermo-plastic pipes 13, e.g. of polyethylene, comprises a rigid hollow body 10 of plastic including externally screwthreaded spigots for connection of the pipes, and coupling nuts 11 provided with radially, inward, annular flanges 16. Rigid rings 12 of plastic having an external diameter greater than the internal diameter of the pipes are forced into the ends of the pipes to provide a protruding annular abutment for the flanges of the nuts and for the confronting spigot ends. The body, nuts and rings may be of moulded polyvinyl chloride. As shown, the spigots and the flanges 16 are internally chamfered or radiussed and the rings are quadrantal in cross-section.
Patent GB-783718-A (GB)
Title: Improvements in or relating to calculating machines
Inventor: YANDELL RONALD PERCY BAWDEN
IPC: G06F7/498
Filed: 1955-03-08
Abstract: 783,718. Digital electric calculating-apparatus. POWER-SAMAS ACCOUNTING MACHINES, Ltd. Feb. 23, 1956 [March 8, 1955], No. 6846/55. Class 106 (1). In apparatus for electrically effecting multiplication of decimal numbers, in which pulses are entered into denominational orders of an electronic register through shift gates and transmit gates conditioned by multiplier selector gates, the pulses are supplied, for each multiplicand digit, via a first and second set of pulse gates and selector gates conditioned by the multiplicand digit, the first set of pulse gates being operative during a first addition period to transmit pulses corresponding to the digit value and the second set being operative during each of four succeeding periods to transmit pulses corresponding to twice the digit value. The circuits for one multiplicand denomination only are shown. One of ten switches S is closed according to the value of the multiplicand digit sensed from a stationary record, e.g. a punched card, thus earthing the inputs of those selector gates SG1-SG3, and SG4-SG5 in parallel, not required to represent the digit according to the 1, 2, 1, 5 code; the remaining gates are conditioned during a whole multiplication period. The outputs of SG1-SG4, and of SG5 for the preceding denomination, are connected through line I, to a transmit gate TG. For each multi. plier digit, multiplier selector gates MSG are operative to open gates TG for appropriate ones of five addition periods, and to condition shift gates SHG to direct the pulses from TG to the appropriate orders of result register R. During the first addition period, line MGWF1 conditions a first set of pulse gates PG1-PG4 which apply respectively 1, 2, 1, and 5 pulses to gates SG1-4 whereby a number of pulses equal to the value of the multiplicand digit appear on line I. During the second to fifth addition periods, line MGWF2 conditions pulse gates PG11-PG44 which apply respectively 2, 4, 2 and 1 pulses to SG1-SG3 and SG5, whereby a number of pulses equal to the units of twice the multiplicand digit appear on line I, and a tens carry is applied to line I for the next higher denomination. The gates may comprise selenium diodes. Specification 734,789 is referred to.
Patent GB-349918-A (GB)
Title: Apparatus for the rapid charging of a furnace
IPC: F27D9/00
Filed: 1930-03-01
Abstract: 349,918. Charging furnaces. GARREAU, H., 6, Rue Calmels, Paris. March 1, 1930, No. 6871. Convention date, Oct. 7, 1929. [Class 51 (ii).] In a furnace charging machine, of the kind comprising an endless conveyer supported on a framework which is so mounted that it may be inserted into and withdrawn from the furnace charging-opening 2 and also oscillated horizontally to distribute the charge, the supporting framework is composed of tubular runways 5 connected by hollow stays 9, and the carriage on which the charger is mounted is provided with a tank 7 into which cooling water, supplied to the runways 5 and circulating through the entire framework, is discharged. The conveyer comprises metal slats 3 on which are mounted rollers 4 running on the tubes 5, each pair of rollers 4 being fixed to a guide roller 6. In operation, the charger is run into the furnace to the position shown in Fig. 1 and the charge is fed to the outer end of the conveyer 3 ; the conveyer is now put into operation and, as the charge is deposited on the furnace hearth at Z, the machine is gradually withdrawn and simultaneously oscillated from side to side. When the machine is used to charge a rotary smelting furnace 11, Fig. 3, the latter is provided with a movable head 12 mounted on rails 13 and formed with a passage leading to the waste gas flue 16. Projecting from one side of the head 12 is a horizontal damper-plate which closes the inlet to the flue 16 when the head is displaced to allow the charger to be brought into register with the end of the furnace.
Patent GB-431800-A (GB)
Title: Improvements in and relating to apparatus for checking and steadying the motion of spinning mule carriages
IPC: D01H3/26
Filed: 1934-03-05
Abstract: 431,800. Spinning mules. HURST, R. R. A., Overdale, Radcliffe Road, Bolton, and BENTHAM, H., 153, Main Street, Cambuslang, Glasgow. March 5, 1934, No. 6886. [Class 120 (ii)] In an apparatus for checking and steadying the motion of a mule carriage particularly at the end of the inward run the movement of the check scroll 5, Figs. 1 and 3, is imparted to the back shaft 13 through a double drum 7, 10 and chains 6, 11 wound thereon in opposite directions and having limited sideward flexibility. The chain 6 is connected at its ends to the check scroll 5 and to the drum 7 the chain 11 being secured to the drum 10 and passing under an idle pulley 12 up to a plate wheel 16 free on the back shaft 13 and mounted between a drum 14 and a ratchet wheel 15 keyed to the shaft. A pawl 17 on the plate wheel 16 coacts with the ratchetwheel 15. The idle pulley 12 is freely mounted on a shaft 18 carried by arms 17<a> from the back shaft 13, each arm 17<a> carrying a pivoted trail lever 19 resting at its outer end on floor plates 20. The chain 22 is fixed to a U-shaped yoke 21 secured to the trail levers 19 and passes round guide pulleys 23, 24 to the usual check band tightening handle, a spring 25 being fitted therein to provide resilience. When the scroll shaft 4 is working, the chain 6 winds on or off the scroll 5 and the chain 11 transmits this movement to the back shaft 13. The chain 11 is tightened or slackened according to requirements through the chain 22 which moves the arms 17<a> and the pulley 12 in one direction or the other. Minor adjustments can be made by turning the plate wheel 16 on the back shaft 13. Specification 326,187, [Class 120 (ii)], is referred to.
Patent GB-547451-A (GB)
Title: An improved coke and method of producing the same
IPC: C10L9/10
Filed: 1941-05-29
Abstract: 547,451. Treating coke. WALKER, R., WILKIN, C. R., and HOWELL, A. K. May 29, 1941, No. 6894. [Class 50] An improved coke is obtained by treating porous or high temperature coke with a powdered combustible such as coal dust with or without an activating agent such as caustic soda by the aid of a liquid carrier, a vacuum being used to evacuate the pores of the coke so that it more readily absorbs the slurry. In an example, the slurry contains coal dust 45 per cent, water 48 per cent, tar 6 per cent, and caustic soda 1 per cent. The slurry is fed from a mixing tank a, and the coke from a bunker b into an impregnating vessel c closed by doors e and j. A vacuum is created by a pump d, and the impregnated coke is discharged through door e into a bunker or drier s when it is dried by the passage of water or flue gases. Perforated tubes q facilitate access of the slurry to the coke and withdrawal of the air from the coke. A pump g recirculates the slurry drained by pipe f from the treating vessel to the tank a. An overflow pipe o is provided.
Patent GB-525904-A (GB)
Title: Toy device
IPC: A63H17/41
Filed: 1939-03-02
Abstract: 525,904. Wheeled toys. MARX & CO., Ltd., L. (Marx & Co., Inc., L.). March 2, 1939, No. 6911. [Class 132 (iii)] A self-propelled wheeled toy is unbalanced about its driving wheels D so that the heavier end normally rests on the floor, a control string being attached to this end for steering the toy by lifting the heavier end. The embodiment shown in Fig. 2, has biased axles 20, 22, the wheels 24 of the rear axle normally resting on the ground, so that the toy steers to the left. When the string C is pulled, the toy tilts to lift the wheels 24 and rests on the wheels 26 to steer to the right. In the embodiment shown in Fig. 5, the toy dog rests on the driving wheels D and on a supporting wheel 60, the motor oscillating the paws 62 through a crank 64. A slight pull on the string C lifts the wheel 60 and swings the toy to left or right. The tail 72 may be flexible. In a modification, the wheel 60 is placed at the rear and the string C is attached to the tail, the rear now being the heavier end.
Patent GB-269302-A (GB)
Title: Improvements in the manufacture and production of aromatic derivatives of formamide
IPC: C07C231/00
Filed: 1926-03-13
Abstract: 269,302. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). March 13, 1926. Aryl derivatives of formamide are prepared by the interaction of carbon monoxide under pressure with a primary or secondary aromatic amine. The reaction may be effected at normal or elevated temperature, and a catalyst may be present. The catalysts comprise formic acid or its salts and esters, formamide or its derivatives such as formanilide, and alkali metals or their hydroxides and alkylates. Instead of carbon monoxide, gases containing it, such as water gas, may be employed. According to the example, carbon monoxide is forced under a pressure of 200 atmospheres into an autoclave containing aniline together with a little methyl alcohol and metallic sodium, and the temperature maintained at 180- 200‹ C. for some time; the product is worked up for formanilide. Other catalysts, such as metallic potassium, caustic soda, methyl formate, ethyl formate or ammonium formate, may be employed. In the same way, monoethylaniline may be converted into ethyl formanilide.
Patent GB-608924-A (GB)
Title: Improvements in and relating to flat rigid electrical heating elements for irons and the like
IPC: D06F75/24
Filed: 1946-03-07
Abstract: 608,924. Electric heating elements. GOLDSTAUB. H. H. March 7, 1946, No. 7094. [Class 39(iii)] A flat, rigid electrical heating element comprises a resistance wire a helically wound d around a flexible core of glass fibres b, the combined wire and core d being disposed between two mica plates e and around eyelets f holding the mica plates e together. The combined wire a and core b may be insulated by a covering of glass fibres c. The plates e may be of metal if the resistance wire a is enamelled, or insulated as described above, or if the metal has an oxidized surface. Specification 127,826, [Class 39(iii)], is referred to.
Patent GB-1534235-A (GB)
Title: Suction grips
IPC: B25J15/06
Filed: 1977-02-22
Abstract: 1534235 Suction grip CARL FREUDENBERG 22 Feb 1977 [13 March 1976] 07332/77 Heading E2A A suction grip is made of an elastomer and has a mounting stem 1 having a suction cup 2. The stem 1 has a cavity 3 which connects with the space 5 of the cup 2 via a valve. The latter may be 4.1, Fig. 1, a ball 4.2, Fig. 2 or a cylindrical member 4.3, Fig. 3. In use release of the grip is effected by forcing compressed air through the valve into the spaces of the cup 2.
Patent GB-453492-A (GB)
Title: Improvements in and relating to collapsible tube dispensing containers
IPC: B65D47/26
Filed: 1935-03-11
Abstract: 453,492. Reservoir brushes and pads. REINISCH, R., 25, Wiesengasse, Vienna. March 11, 1935, No. 7483. Convention date, July 31, 1934. [Class 19] [See also Group XVII] A pad, brush, or the like 14 is secured to the cap 7<1> of a collapsable tube. The outlet orifice of the tube is sealed by an integrally formec hood 8 which is cut of flush with the end by rotation of the cap. Specification 406,330, [Group XVII], is referred to.
Patent GB-1419741-A (GB)
Title: Plastics anchors
IPC: F16B19/00
Filed: 1974-02-19
Abstract: 1419741 Stud fastenings ILLINOIS TOOL WORKS INC 19 Feb 1974 [20 Feb 1973] 7494/74 Heading E2B A stud fastener for location in a square hole 18 in a panel comprises a head 30 from which there projects a square 16 for fitting into the hole, and a flared skirt 12 whose corners are relieved by surfaces 24 which flare away from the square 16 so that, in use, these surfaces engage the edge of the hole to prevent withdrawal of the stud. The stud is inserted by compressing the squareshaped skirt into the hole 18 and then rotating it 45‹ to the fastening position. In Fig. 3 a peg 60 is secured by entering screw 50 into hole 40, the skirt being compressed by surface 67 and splitting at the corners to produce four separate petals. In a modification, (Fig. 7, not shown) the skirt is accommodated in a channel in the base of the peg. A plug (Fig. 8, not shown) may be used to cover the skirt portion, when the fastener is not in use. The screw may be replaced by a serrated rod.
Patent GB-709474-A (GB)
Title: Improvements in or relating to straight bar knitting machines
Inventor: WICKARDT KURT WILLI
IPC: D04B11/22
Filed: 1950-03-27
Abstract: 709,474. Knitting machines. THIEDE, W. O. March 22, 1951 [March 27, 1950], No. 7567/50. Class 74 (2) In a straight-bar machine, interlocking means between a stopping and starting control means and a means for clutching and declutching a handwheel shaft to and from power drive means, ensures that the control means cannot be moved into a starting position unless the clutching and declutching means is already in a position disengaging the handwheel shaft from the power drive means and that the clutching and declutching means cannot be moved into a position engaging the handwheel shaft with the power drive means unless the control means is already in a stopping position. As a handwheel shaft 23 is moved axially in one direction or the other. a gear assembly, carried on a gear support 25, is moved to bring a gear 31 into or out of engagement with a gear 14 fast on the camshaft 10 and thus couple or uncouple the shaft 23. One arm of the U-shaped gear support 25 is located on shaft 23, between a pinion 27 fast thereon, and a collar 26 and is bored to slide on a stub shaft 28 borne by the machine frame member 13; and the other arm 36 passes up behind integral gears 29, 30 and also slides. on stub shaft 28. Gear 29 meshes with pinion 27 and gear 30 with the gear 31, which is carried on a pin 32 borne by the support 25. During normal forward running of the machine (i.e. during anti-clockwise rotation of gear 15, as seen in Fig. 1) a plate 41, pressed against gear 15 by a spring 42, is held by friction in such a position that slot 40 therein holds a pawl 37 out of contact with gear 15 by means of a pin 39 on the pawl. which runs on the slot. Any reverse rotation of gear 15 causes the pawl 37 to engage its teeth and lock it..The pawl 37 is disabled as the handwheel shaft 23 is clutched to the camshaft 10, by a camshaft 49, formed in a plate 49<1> secured to the support 25 and operating through linkwork. Movement of shaft 23 to the "clutched" position when the starting rod 50 has been rotated to the starting position, is prevented by interposition of a lever 54 in the path of the plate 49<1> and, conversely. rotation of the rod 50 to starting position is prevented when shaft 23 is in the. "clutched" position.
Patent GB-1132876-A (GB)
Title: An improved dental bur drill
IPC: A61C3/02
Filed: 1966-02-21
Abstract: 1,132,876. Dental burrs. H. I. L. PHILLIPS. 21 Feb., 1966, No. 7568/66. Heading A5R. A dental burr of hard tungsten carbide steel comprises a cutting head CH projecting from a tapered shank 2, the head being formed as a truncated cone shaped part 4 and a partspherical part 5, cutting teeth on the part 5 extending partly across the part 4. As illustrated in Figures 1 and 2 (not shown); the surfaces of the cutting teeth are curved in a particular manner. Suitable dimensions for the burr are given.
Patent GB-845294-A (GB)
Title: Electronic spectroanalyzer systems
IPC: G01J3/28
Filed: 1957-03-08
Abstract: 845,294. Spectro-analysis. STANDARD TELEPHONES & CABLES Ltd. March 8, 1957 [March 13, 1956], No. 7746/57. Class 40(3). [Also in Group XXXV] A method of determining the ratios of known constituents of a sample comprises (1) determining the approximate ratio of the constituents; (2) synthesizing a mixture in accordance with such ratio ; (3) producing a difference spectrogram of sample and mixture, and (4) adjusting the ratio of the mixture in accordance with the difference spectrogram. The sample 46 and synthesized mixture 41 are scanned by a light 43 and photocells 48, 49. Pulses representing the difference spectrogram are fed to the computer 1 (and are also displayed on the cathode ray tube 50) to determine correction co-efficients which are passed to the computer 4 for adjustment of the mixture 41. The spectrum may alternatively be compared with a library of spectra signals represented at 5, 6 and 7 which may be applied to the adder circuit 11 via controls 8, 9, and 10. In another embodiment the spectrum of the unknown composition is supplied from a previously obtained spectrogram of the sample at source 13. The outputs of attenuators 8, 9 and 10 may be applied to subtractor circuits 12 for comparison with the spectrogram of the unknown sample and a difference signal obtained which is applied to correlators 15, 16, and 17 along with the signals from sources 5, 6, and 7 to determine the error co-efficients and is then fed back to the controls 8, 9 and 10 of motors 24, 25 and 26. The difference signal is also displayed on cathode ray tube 14. A cycle control 27 is coupled to the motors to control gates 28, 29 and 30, through which the outputs of the controls 8, 9 and 10 are applied to the computer 4. A vibrator 42 mixes the synthetic mixture 41. Specification 845,292 is referred to.
Patent GB-214967-A (GB)
Title: Improvements in packing machines
IPC: B65B7/04
Filed: 1924-03-27
Abstract: 214,967. Soc. Anon. Anciens. Etablissements G. Pellerin. April 27, 1923, [Convention date]. Paper and like bags, folding down mouths of after filling.- Relates to a machine for closing bags, particularly bags into which a fatty substance has been poured in the hot state and has congealed. The bags are advanced in boxes 7 on an endlees band 6 past cams 8 - - 11 mounted on the frame 1, which operate folding devices 15, 16, 26, 27 to close the top of the bag. The cam 11 first acts upon a roller 31 mounted on a slide 27 which is moved forward to make the first fold. The cam 10 acts similarly on a slide 26 to make the second fold. The cam 8 next contacts with a roller 21 on the folder 16 to depress it against the action of a spring 23 and the cam 9 causes the folder 15 to make the fourth fold. The cams may be resiliently mounted and adhesive may be applied to the packet before the last flap is folded down. On arrival at the position 7<a>, the packets fall from the boxes by gravity.
Patent GB-678666-A (GB)
Title: Device for removing soot and cinder from gases of combustion
IPC: B01D45/02
Filed: 1951-04-04
Abstract: 678,666. Removing solid particles from combustion gases. ZAS, D. April 4, 1951, No. 7798/51. Class 55 (ii). Apparatus for removing solid particles from combustion gases comprises a jacketed receptacle 4 containing a body of liquid 6 and having an inlet 3 for the combustion gases and one or more chimneys 15, each having an extractor fan 19, for their withdrawal, a hot fluid being circulated through the jacket surrounding the receptacle. Baffles 9 and 10 may be provided on the inlet 3 and the walls of the receptacle as shown.
Patent GB-631348-A (GB)
Title: Improvements in piezoelectric crystal elements and apparatus
IPC: H03H9/17
Filed: 1947-03-21
Abstract: 631,348. Piezo-electric crystals. WESTERN ELECTRIC CO., Inc. March 21, 1947, No. 7804. Convention date, April 5, 1946. [Class 40 (v)] A plate of ethylene diamine tartrate (C6H14N2O6) has its major faces parallel with the Y axis of the mother crystal and inclined at an angle to the +X axis of from + 15 to +25 degrees. At this orientation thicknessshear mode plates have a zero temperaturefrequency coefficient between +40 and 0 C. The plates are preferably rectangular, one edge being parallel to the Y axis, Fig. 3. Harmonic shear mode operation is possible.
Patent GB-334904-A (GB)
Title: Improvements relating to pyrophoric lighting devices
IPC: F23Q2/14
Filed: 1929-03-11
Abstract: 334,904. Beney, E. R. March 11, 1929, Lighting-torches, non-electric. - An igniter comprises a fuel reservoir b mounted in a casing a provided with india-rubber feet o for preventing the device from slipping when a removable wick torch f is ignited by rubbing the iron pin i along a flint n inserted in a preferably undercut or dovetail recess m in the casing. The feet o may be formed as suction cups for holding the casing. on a smooth horizontal surface or supporting it on a wall. The reservoir is packed with felt or other absorbent discs c with aligned holes d and is provided with a bridge j carrying a guide bush k for the torch. The Provisional Specification rescribes also a construction in which the suckers are provided on a flat side of the casing.