baber/WOPTO huggingface dataset:
Patent GB-566678-A (GB)
Title: Improvements in and relating to methods of electrically welding heavy sections of metal
IPC: B23K9/028
Filed: 1943-11-19
Abstract: 566,678. Making magnets &c. BRITISH THOMSON-HOUSTON CO., Ltd., and HOLME, T. Nov. 19, 1943, No. 19367. [Classes 83 (ii) and 83 (iv)] Uniting by fusion. -In the electric arc welding of heavy metal sections, such as sections of magnet frames for dynamo electric machines, the edges of the sections are first chamfered at 10, and wires 11 or strips of a soft metal, such as copper; are arranged at intervals between the surfaces to be welded and the inner and outer V-shaped grooves are filled with weld metal. The wires during welding are compressed to such an extent that the sections are in contact and though the weld is under tension on cooling it is not sufficiently so that it will crack. On sections about 9 to 10 feet in diameter, 8 inches thick and 3 feet deep copper wires of about 1/10 of an inch diameter may be placed 18 inches apart and welding effected simultaneously on the outer and inner surfaces over the bracketed lengths in the order 1, 2, 3 ... 8, starting from the centre and proceed. ing to the outer edges of the sections.
Patent GB-220646-A (GB)
Title: Improved roofing element and method of making the same
IPC: E04D1/26
Filed: 1924-08-15
Abstract: 220,646. International Copperclad Co., (Assignees of Gillis, J. H.). Aug. 15, 1923, [Convention date]. Roofing slabs; metal bricks.-Tiles, strips, &c. formed as described in Specifications 211,128 and 220,644, or other metal-covered composition tiles &c., have the outer covering of metal united to the composition by electrically heating the covering by means of contacts 25, 26, 27 sunk flush in the resilient face of a plunger 22, Fig. 6, while the tile is pressed on to a base 20 having a resilient facing 21. Fig. 3 shows the arrangement of the electrical connections for a multiple shingle element, the metal covering extending over the part between the cut out portions and up the neck 17. In the case of flashing or other strips, the heating is effected by means of rollers having conducting rings 39, 40, Fig. 9, sunk in the edges.
Patent GB-372157-A (GB)
Title: Process and apparatus for the extraction of iodine from mineral waters and other iodine containing liquids
IPC: C01B7/13
Filed: 1931-07-08
Abstract: <PICT:0372157/III/1> Iodine is extracted from mineral or other waters by first setting the iodine free and then passing the water through towers containing an immiscible solvent for the iodine and a filling material which produces intimate contact between the water and the solvent.  After the solvent is saturated, the water supply is cut off and an aqueous solution of a compound, e.g. a sulphite, is passed through the tower to remove the iodine from the solvent. When the solvent is denser than water, the water is passed from the base of the tower upwards and in the reverse direction when the solvent is of less density than water.  The Figure shows an arrangement for use with a solvent denser than water.  The iodine-containing water enters, by a pipe 8, a tower 1 containing filling material 2 and a solvent denser than water, the pipe 8 being provided with taps 4, 7 and arranged to form a water seal 3. Water free from iodine escapes by a pipe 9, the solution of the compound containing the extracted iodine also passing off by this pipe.  By operating the taps 4, 7 the tower may be drained.  In a modification for a solvent lighter than water, the water to be extracted enters at the top of the tower and flows away at the turned-over end of the pipe 8 which does not reach to the top of the tower.  The solution of iodine is drawn off by the tap 4.
Patent GB-651583-A (GB)
Title: Improvements in or relating to rectifying arrangements for supplying a resistive load
IPC: H02M7/04
Filed: 1948-07-23
Abstract: 651,583. Rectifying ; control systems for discharge lamps. GENERAL ELECTRIC CO., Ltd., and WILLIAMS, C. E. July 23, 1948, No. 19765. [Classes 38 (ii) and 38 (iv)] A resistive load RL is supplied with D.C. from a condenser C1 connected in series with a valve V1 across the winding W1 of a transformer supplied with A.C. The valve acts as a half-wave rectifier, and the load voltage is varied by altering the voltage applied to the control grid of the valve from a potentiometer R1 supplied from transformer winding W2. The control voltage may be direct, and the variation may be in amplitude, phase or sign. The circuit may be used to control electric discharge lamps, the load resistance RL being a D.C. winding on a saturable inductor in the lamp circuit.
Patent GB-214526-A (GB)
Title: Improved composition for moulds for steel castings
IPC: B22C3/00
Filed: 1923-08-02
Abstract: 214,526. Robinson, J., and Gray, A. June 27, 1923, [Convention date]. Mould and core materials.-Moulds for use in casting steel are faced, say for a depth of half an inch, with silica sand each particle of which is coated with a film of carbon such as graphite. In one form preparation is effected by emulsifying 6 lbs. of raw linseed oil with the same amount of water and mixing the emulsion thoroughly with 8 lbs. of finely pulverized graphite. The mixture is ground up with 100 lbs. of pure silicious sand in a pan mill and then dried at from 200‹-300‹ F. When cool the hard baked mass is broken up in a pan-mill and' mixed with molasses and water to give coherence.
Patent GB-732984-A (GB)
Title: An adjustable bracket arm or like support for lamps or other articles
IPC: F21V21/26
Filed: 1952-08-06
Abstract: 732,984. Brackets. SLUTZKY, N. J. Sept. 16, 1953 [Aug. 6, 1952], No. 19804/52. Class 52(5). An adjustable bracket arm for electric lamps and other articles comprises an arm 3 with a curved lower portion 2 surrounded by a helically formed covering 6 which passes through a collar 9 provided with a pair of inwardly directed flanges 10, 11. The collar is located within a bore in a support 13. In any selected position the edge of the flange will engage in the convolutions and the leverage caused by the weight of the arm will hold the parts in position. Notched grooves or corrugations may replace the helically formed covering. The electric wire is held in position by a clip 19.
Patent GB-874478-A (GB)
Title: Improvements in machines for crimping yarns by false twist
IPC: D02G1/02
Filed: 1958-06-20
Abstract: 874,478. Heating yarns by electric resistances. SOCITEX. June 20, 1958 [June 21, 1957], No. 19822/58. Class 39(3). [Also in Group IX] In a machine for crimping yarns by falsetwist in which each yarn passes through a heating-device before passing to a rotary spindle, a heating-device is provided for simultaneously heating a number of yarns comprising a block of good-conducting material serving as a heat-storage body of large heat capacity, enclosed in heat-insulation and having a corresponding number of yarn passages and at least one heating- element. The heating-device may comprise a single or composite block of aluminium weighing 60 kg.; in the latter case it may comprise a central plate 7a, Fig. 2, with vertical grooves in one face to receive tubes 4 constituting the yarn passages, and horizontal grooves in the other to receive electric heating-elements 8, the grooves being closed by plates 7b, 7c. The block may be enclosed as a loose fit in glass wool 8-10 cms. thick in a casing 13, Fig. 1, being held in place by the tubes 4, which are fastened in oblong holes by yarn guiding elements 5 but are free to move at their upper ends, where they are fitted with thread guides shaped as shown at 6 or tapering upwardly to remove residues from the yarns. To reduce the loss of heat by radiation in the extremities of the blocks they are cut off obliquely as at 12. A number of such heating devices may be arranged in one machine, being supplied by a transformer the primary of which is supplied through a voltage regulator. A temperature regulator controlled by a thermo-couple in one of the heating-blocks, which acts through a relay to cut-off the current when a given temperature is exceeded, and thermometers and temperature-adjusting potentiometers associated with each block are also provided. Specifications 824,492 and 874,477 are referred to.
Patent GB-1313873-A (GB)
Title: Objective lens assembly for incorporation in a camera
IPC: G03B17/14
Filed: 1970-04-24
Abstract: 1313873 Objective lens assembly JOS SCHNEIDER & CO OPTISCHE WERKE 24 April 1970 [12 June 1969] 19863/70 Heading G2J An objective lens assembly for incorporation in a camera comprises a first unit 1 having a lens including a plurality of optical elements 2, 3, 4 of which at least some are movable by first and second adjusting mechanisms for varying the focal length and for focusing respectively, and at least one servo-drive unit 8 or 9 having electrical and mechanical coupling parts 10, 12 and being detachably attached to the first unit in an operative position in which the said coupling parts engage corresponding parts on the unit 1 in order to drive one of the adjusting mechanisms. The drive units 8, 9, which may be interchangeable, move the optical elements 2 or 3, 4 through non-positive clutches 5 and worm gears 6 or 7. When a new drive unit is installed, for example to replace a faulty one, the motor is driven in one direction, slot 13 in the shaft 12, which is resiliently mounted, engaging a corresponding projection on an input shaft of the adjusting mechanism, and the optical elements being moved to the end of their travel, when, because of the presence of the clutch, an idle rotation of the shaft 12 occurs; the motor is then reversed until a second idle rotation occurs. The range between those idle rotations is an identifying characteristic of the adjusting mechanism and data relating thereto are fed to a programmed control panel.
Patent GB-201751-A (GB)
Title: Portable safety rail standards as used on racecourses and the like
IPC: E04H17/18
Filed: 1922-07-20
Abstract: 201,751. Brown, G. A. July 20, 1922. Fencing posts and standards. - For the running-tracks of racecourses &c., the metre standards a are bent over at the upper end c and angle-brackets e adjustably secured thereto are arranged to carry the. projecting upper horizontal rail f, for the purpose of avoiding injury to the horses by contact with the stay members b and the standards.
Patent GB-147842-A (GB)
Title: Method and apparatus for improving the economy of steam supply turbines provided with labyrinth packing
IPC: F01D11/02
Filed: 1920-07-09
Abstract: 147,842. Melms & Pfenninger Kommandit Ges. Nov. 21, 1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Leakage-preventing devices; balancing moving parts.-In steam turbines, from an intermediate stage of which a supply of steam for heating &c. is tapped, the surplus steam passing through a valve v to the low-pressure stages B<1>, B<2>, the pressure p<2> in the space u behind the valve v is communicated by a pipe y to a space k on the other side of the high-pressure stage A, so that the packings e, fare exposed to the same pressure, and the leakage through the labyrinth packing l is made dependent on this variable pressure P<2>. The surface x, which acts as a balancing or thrust surface, may be arranged in the low-pressure stage, or with one part in the high-pressure and another in the low-pressure stage. The packings e, f may have different diameters.
Patent GB-625577-A (GB)
Title: Improvements in or relating to variable resistance devices
IPC: G06G7/26
Filed: 1946-07-03
Abstract: 625,577. Combinations and sets of resistances ; variable-contact resistances. FRANKLIN, E. July 3, 1946, No. 19919. [Class 37] A variable resistance device comprises a resistance element having two or more wipers which is associated with a plurality of fixed resistors and two switches arranged for synchronous operation. In Fig. 1, at each half revolution of two wipers 25, 26, moving continuously 180 degrees apart over an arcuate  potentiometer resistance 23 contact arms 19, 20 of a stepping switch 17 parallel to resistance 23 with a different set of three fixed resistors, for example 8, 9, 10, in a resistor chain 3-14 applied across voltage source 15, 16. As switch 17 steps a further rotary switch 18 changes over the connection to the output terminal 22 from one wiper to the other. The resistance between wipers 25, 26 in relation to that of each of the fixed resistors 3-14 is evaluated as to give a smooth increase in output potential at 22 as the wipers 25, 26 make five revolutions and switch 17 makes ten steps in traversing the range. The resistors 3-14 may have different values to designedly introduce non-linearity or different values to preserve linearity. A rheostat, Fig. 2 (not shown), utilizes a rotary stepping switch having a single contact arm ; otherwise Fig. 2 is similar to Fig. 1.
Patent GB-1426527-A (GB)
Title: Heat treatment of elongate strip material
IPC: C21D9/54
Filed: 1973-04-26
Abstract: 1426527 Annealing steel strip ISHIKAWAJIMA-HARIMA JUKOGYO KK 26 April 1973 19965/73 Heading C7N Elongate strip material is heated in the uncoiled state and subsequently coiled and kept at an elevated temperature for a time longer than the initial heating period. The uncoiled material may be steel strip which is heated to 700‹C in under a minute, coiled and maintained at an elevated temperature for a period sufficient to permit grain growth and gradually cooled below 500‹C (e.g. furnace cooled for 4 hours) to prevent the formation of a supersaturated solid solution of carbon in ferrite. The material may be uncoiled and cooled at a faster rate during the latter stages of the cooling process (e.g. by gas cooling). The strip material may be decoiled at 19 and fed through melder 2 and electrolytic cleaner 3 to furnace 5 where it is heated and then to gas purging chamber 6 in which the temperature is maintained and then coiled at 7. The coiled strip may be upended at 8 within the hot region and passed through furnace 9 by coil or walking beam system to region 10 where it is cooled. The coiled strip may then be unwound at 14 within non- oxidizing gas purging chamber 13 and then passed through cooler 17, tempermill 20 and may be recoiled at 18.
Patent GB-288466-A (GB)
Title: Improvements in scavenging for two-cycle internal combustion engines
IPC: F02B75/02
Filed: 1927-07-28
Abstract: 288,466. Hemmingsen, T. V. June 9, 1927, [Convention date]. Piston packing. - In a two-stroke-cycle internalcombustion engine in which the piston-face has a pocket f, an additional segmental piston-ring may span the top part of the piston wall away from the pocket.
Patent GB-331101-A (GB)
Title: Improvements relating to conveyors
IPC: B65G23/44
Filed: 1929-06-29
Abstract: 331,101. Muschamp, E. P. W., and Mining Engineering Co., Ltd. June 29,1929. Sectional framework for endless - belt conveyers ; guiding; idler rollers ; guards and shields to prevent falling-off and spillingstandards; stationary cleaners and clearers and anti-fouling guards.-In an endless-belt conveyer extending for a long distance of the kind in which the frame is built up in sections, each section being separately supported by a frame resting on the ground, the return length of belting 5 is folded twice around tension drums 6, 7, one of which is mounted on a separate pedestal which is readily movable for the purpose of varying the effective length of the conveyer. The pedestals are anchored to props 10 by chains 8, 9. The conveying run 2 is supported on rollers carried by brackets 3 resting on a girder 4 and runs between side plates 26 carrying anti-spillage shelves of the kind described in Specification 329,757. The side plates of the pedestal supporting the drum 6 are provided with brackets 25 which carry the plates 26 and the supporting roller for the run 2. An obliquely disposed scraper 27 deflects any spillage from the run 2 on to an inwardly inclined extension 28 of a side screen 29.
Patent GB-531036-A (GB)
Title: Improvements in carrier devices for enclosing and transporting cash drawers when removed from cash registers
IPC: G07G1/00
Filed: 1939-07-10
Abstract: 531,036. Cash-drawer carriers. KOOPERATIVA FORBUNDET FORENTING, U.P.A. July 10, 1939, No. 20061. Convention date. July 20, 1938. [Class 116] A carrier for a cash-register drawer having several compartments comprises a casing or cover 5 with four sides 1, 3, 4, 2 (not shown), and two under surfaces 8, 9, the drawer 7 being inserted into the casing and then held therein as a result of the pressure of the spring 11 which thrusts the drawer against the end 3 and simultaneously causes an edge 13 on the drawer to engage over hooks 14 struck out of angle-bars 6 which are so disposed on the underside of the cover as to enclose each compartment of the drawer. The surface 8 is gapped to accommodate the drawer roller 10, and an aperture 18 is provided in the end face 3 to allow pressure to be applied to the drawer when it is desired to remove it from the cover. A bolt 16 governed by a lock 15 is fitted so as to secure the drawer within the cover. A handle 17 on the cover enables the drawer and cover to be transported.
Patent GB-1396413-A (GB)
Title: Anti-lock vehicle brake systems
IPC: B60T8/72
Filed: 1972-05-01
Abstract: 1396413 Antiskid braking systems MULLARD Ltd 9 April 1973 [1 May 1972 20 Oct 1972] 20105/72 and 48529/72 Heading F2F An antiskid braking system control circuit has means responsive to a signal having a quantity which is a function of wheel speed to produce an output signal to energize a solenoid brake release valve when the said quantity has changed at a rate in excess of a first reference rate and by an amount greater than a predetermined percentage than its amount would have been had it continued at the first reference rate, means for replacing the first rate by a second reference rate which corresponds to a value of deceleration greater than the firstvalue, means for replacing the second reference rate by a third rate, after the second rate has persisted for a predetermined period of time, the third reference rate corresponding to a first value of wheel acceleration and means for deenergizing the solenoid when the said quantity attains either the second reference rate or third reference rate whichever prevails at the time, the prevailing reference rate being replaced by the said first reference rate when the solenoid is de-energized. A brake pedal FP operates a modulator M to control the application of fluid pressure from a source S to a wheel brake WB, an antilock control unit CU, wheel speed sensor SE and control circuit CC being also provided. Sensor SE produces pulses of frequency proportional to wheel speed which are fed to a frequency to D.C. converter 10 whose output is fed to a deceleration/acceleration detector 11 and to a speed reference element 12 and low deceleration detector 13. A reference control element 14 fields reference signals to element 11 and when the rate of change of magnitude of the signal from element 11 exceeds the first value of wheel deceleration and also signifies a given value of wheel slip a bi-stable 15 is triggered to produce via an automatic turn-off element 16 an output which energizes an output stage 17. Input pulses from the sensor are applied to reset element 15 which is held triggered until the output from element 11 is terminated. The output from element 15 is also fed (via 16) through an OR gate 18, an inhibit gate 19 and turn-off delay element 20 to element 12 to synchronize the operation of the latter with the output for solenoid energization, the output from element 15 being also fed via an OR gate 21 to inhibit the detector 13 at this time. Element 14 can be reset in three ways, if element 11 detects the first value of wheel acceleration, if element 13 detects the end of a second, low, value of acceleration or by means of element 16 which becomes responsive after, say, 0À5 seconds. Element 13 is normally held inhibited while the solenoid energization output and the output from element 12 are present but in the absence of output from element 12 it can respond to the end of said second acceleration condition to produce a pulse that inhibits gate 19 and allows element 14 to be reset.
Patent GB-1433504-A (GB)
Title: Face mask and process for manufacturing a face mask
IPC: A41D13/11
Filed: 1973-04-27
Abstract: 1433504 Surgeon's mask J-P M DUPRE 27 April 1973 [4 May 1972] 20115/73 Heading AST A method of making face masks, comprises cutting from or defining by lines of weakness in, a sheet of a foamed plastics material having open cells, a blank in the desired shape of the mask and cutting a slit or an opening or defining an opening by lines of weakness, at each end of the blank for looping over the ears. A simple mask comprises a blank having an opening cut in or defined by lines of weakness at each end. Alternatively, blanks are cut from a roll 4, Fig. 2B, having longitudinal folds 5, 5' which are stuck together at 10, 10', 11, 11'. The roll is cut at 6, 6' and 7, 7' to form a mask which is then unfolded to form loops (12), Fig. 2E, (not shown) and a widened central portion (13). In another embodiment, a sheet is doubled on itself and substantially triangular cuts (21, 21'), Fig. 3A, (not shown) are made with the fold (20) forming one side of the triangle, and the sheet unfolded to form a mask. In another embodiment, a band of a thermoplastics material is folded and blanks are formed by cuts 31, 31', Fig. 4A. Further cuts 32, 32', 36, 36' define loops 33, 33', the cuts 36, 36' being welded at 37, 37'. A plurality of masks may be preformed by lines of weakness in a continuous roll which can be separated into individual masks by tearing away appropriate portions.
Patent GB-364601-A (GB)
Title: Improvements in or relating to permanent waving
IPC: A45D6/00
Filed: 1930-07-02
Abstract: 364,601. Hair-waving appliances. LALANNE, C., 104, Faubourg St-Honore, Paris. July 2, 1930, No. 20135. Convention date, July 23, 1929. Void [Published under Sect. 91 of the Acts]. [Class 131.] Hair curlers are made of a material such as bone, ivory, glass or galalith which is not affected by the heat or the treating liquids employed in the usual permanent waving processes.
Patent GB-1084673-A (GB)
Title: Process for the colouration of polypropylene
IPC: D06P3/79
Filed: 1965-05-13
Abstract: Metal e.g. nickel, containing polyproplene is dyed using dyestuffs of the arylazo-6-methyl-8-hydroxy quinoline series.  The dyestuff may be applied in disperse form at 90 DEG  - 100 DEG C in an open bath in the absence of a vehicle or at 130 DEG C and printing may be followed by drying and then steaming at 105 DEG  - 110 DEG C.  Yellow, orange, red and brown shades are obtained.
Patent GB-784449-A (GB)
Title: Improvements in metal slitting machines
Inventor: FENYVES LEON LADISLAS
IPC: B26D7/18
Filed: 1955-07-12
Abstract: 784,449. Shearing. AUTO AERO, Ltd. July 12, 1956 [July 12, 1955], No. 20191/55. Class 83 (4). In a machine having a pair of co-operating rotary blade assemblies for slitting metal sheet into four strips, each assembly comprising a shaft 3 upon which are fitted circular blades K<SP>1</SP> ... K<SP>5</SP> spaced by metal rings 4 keyed to the shaft, one or more synthetic rubber sleeves 5 having an external diameter slightly less than that of the blades are fitted over the metal rings 4. Plastic spacers of say 0.03 ... 0.06 inch thick may be used with the rubber sleeves 5.