baber/WOPTO huggingface dataset:
Patent GB-299914-A (GB)
Title: Improvements in and relating to electric inductance coils
IPC: H01F21/12
Filed: 1927-08-05
Abstract: 299,914. James, P. O. Aug. 5, 1927. Inductances.-An inductance coil has sets of tappings, taken out to two switches so arranged that one switch can be connected to the centre point of the tapping of the other switch. A switch b moves over contact studs b<1>, b<2>, b<3> connected respectively to tappings at 40, 60, and 250 turns from the contact f. A second switch c moves over contacts c<1> - - c<6> connected to the central points of the first set of tappings, i.e. to tappings at 20, 30 and 125 turns. Additional tappings, for example at 50 and 200 turns, may be added. The terminal e may be connected to earth, the terminal f to the grid of the valve, and the terminals g, h to the aerial and reaction condenser. With the switches b, c on the studs b<1> c<3>, for example, the aerial coil consists of ten turns and the grid coil of thirty turns, the coils not in circuit being short-circuited by the switch b. One or more further coils may be wound above, alongside, or below the main winding to form a reaction winding, which may have a number of tappings or a movable reaction coil may be provided. The coil may be employed in coupting high-frequency amplifying valves, the centre tapping being used to give a neutralizing winding. If a secondary winding is wound over, alongside, or under the main winding the device may be used as a variable high-frequency transformer with a centre tap to the primary to give a neutralizing winding. The coil may be wound on a cylindrical insulating former provided at the ends with insulating discs, the switches being mounted on one and the terminals on the other.
Patent GB-1062654-A (GB)
Title: Improved gas lighter
IPC: F23Q2/52
Filed: 1964-05-19
Abstract: 1,062,654. Gas lighters. SAMAO S.A. May 19, 1964 [May 16, 1963], No. 20668/64. Heading F4F. The reservoir for liquefied gas for a lighter is made by cutting out the solid aluminium alloy body of the lighter. The base of the reservoir is closed by a plate which is secured to the body by means of a heat-hardening resin. A filling valve is mounted on the closure plate and comprises a ball urged by a spring against a flexible annular packing. The gas is fed to the burner through a valve which is opened by a resilient tongue connecting the stem of the valve and a flame cover cap. The gas is ignited by sparks from a flint and a manually actuated flint wheel. A timepiece or a compass may be mounted in a recess in the lighter body.
Patent GB-1204279-A (GB)
Title: An optical data storage device
Inventor: KOSANKE KURT
IPC: G11C13/04
Filed: 1969-04-23
Abstract: 1,204,279. Read-only stores. INTERNATIONAL BUSINESS MACHINES CORP. 23 April, 1969 [2 May, 1968], No. 20760/69. Heading G4A. An optical data storage device comprises a photochromic glass plate having at least one non-photochromic elemental area, means for rendering the parts of the plate other than the non-photochromic elemental areas opaque, and means for determining whether or not a light beam passes through a selected elemental area. In Fig. 1, storage plates 6a-12a are of photochromic material except at bit positions where a 1 is stored which are perpetually transparent. Flash-lamps 6b-12b can render the photochromic material of the respective plates 6a- 12a opaque and flash-lamps 6c-12c can render them transparent. To read a given bit-position of a given plate, light from source 1, polarized at 4 is deflected to the given position by electrooptical deflector 5, the flashlamps rendering the given plate opaque and the others transparent to read out the bit to photo-cell 21. Each plate may alternatively consist of the above photochromic plate (with the non-photochromic insertions for 1) sandwiched between two transparent plates, the flash-lamps directing light into the sandwich via wedge-shaped lightconducting elements. A second embodiment uses plates of either form, each being sandwiched between two plano-convex lenses to form a double-convex lens, further doubleconvex lenses being interposed between successive ones of the latter, and the electro-optical deflector following the sequence of lens. The storage plates in the Fig. 1 embodiment could alternatively each be a selectively-etched photochromic layer on a glass support.
Patent GB-1222359-A (GB)
Title: Improvements relating to valves
Inventor: GREIG THOMAS ALEXANDER
IPC: F16K3/12
Filed: 1967-05-04
Abstract: 1,222,359. Valves. GLENFIELD & KENNEDY Ltd. 25 April, 1968 [4 May, 1967], No. 20769/67. Heading F2V. A gate valve comprises a housing I, a threaded spindle 2 which is secured for rotational but not longitudinal movement in the housing by a nut 4, and a gate 3 which is displaceable on the spindle between the position shown, in which flow through the valve passage 1A is obstructed, and a lower position (Fig. 2, not shown), in which the gate is disposed within the valve chamber 1C and free flow can take place through the passage 1A. When in its lower position, the gate can be detached from the spindle by withdrawing the spindle upwardly through the housing subsequent to removal of the nut 4, a solid sealing plug (8) being then insertable into the housing in place of nut 4 in order to seal the valve from its surroundings.
Patent GB-179471-A (GB)
Title: Improvements in the manufacture and production of the bends of superheater, and other tubes
IPC: B21C37/28
Filed: 1921-08-06
Abstract: 179,471. English, W. E., Hannan, J. R., and Mills, C. H. Aug. 6, 1921. Bends. - A U-bend for superheater or like tubes, is made by welding into recesses a<2> in a stamped metal cap A, a bridge-piece B which, with the cap, forms the bend. The edges of the cap and bridgepiece are bevelled at x to form recesses to receive the welding-material when the cap is welded on to the tube ends.
Patent GB-705241-A (GB)
Title: Improvements in or relating to reels for strip material
IPC: G11B15/67
Filed: 1952-08-20
Abstract: 705,241. Photographic film reels. KODAK, Ltd. Aug. 20, 1952 [Aug. 25, 1951], No. 20934/52. Classes 97(1) and 98(1) A film reel comprises a flange and a hub provided with a slot across the end of the hub extending axially along the whole length of the hub from the flange, the slot terminating at the periphery of the hub in radial portions disposed on radii less than 180 degrees apart. Preferably a pair of such slots are provided in the hub in diametrically opposed disposition. As shown, the hub is in three parts 20, 21 bolted to the flange 11 to form two slots 23, 24 each comprising central straight portions joined by curved portions to the outer radial portions. The central hub portion may carry diametrically opposed arms 13, 14 spaced from the flange by a distance slightly greater than the film width and bearing a scale 17 of film. length on one or both of them. The arms 13, 14 may be omitted in which case the hub members 21 may be integral with the flange to which the member 20 is secured or the whole hub may be integral with the flange and the slots 23, 24 may be formed by cutting.
Patent GB-149205-A (GB)
Title: Inclined carbon lamp provided with magnetic regulations of the arc
IPC: H05B31/00
Filed: 1920-07-12
Abstract: 149,205. Mylo, R. Jan. 28, 1918, [Convention date]. Arc lamps.-An arc between electrodes arranged at an angle is influenced by a very non-uniform magnetic field, the strongest part of which is outside the angle between the electrodes and arranged between the arc and parts of the apparatus to be protected therefrom, e.g. a lens or reflector. A large electric pressure, say 54-56 volts, may then be used, causing the positive electrode to burn with a blunt end and a large angle of emission from the crater to be obtained. In one arrangement, there are placed on opposite sides of the negative electrode two iron strips e, Fig. 3, having their upper ends bent inwards and cut away as shown in plan in Fig. 6. An horizontal iron bar i, Fig. 3, separated from each strip e bv a small gap to reduce conduction of heat, is pivoted at g and extends nearly to one end of a permanent magnet l, its position being regulated by a screw m. The two strips e are attached to a non-magnetic yoke n carried by the core of a shunt or series solenoid o. Thus, if the arc pressure increases, the magnetic strips e are raised to afford further protection to the lens a. In another arrangement, the magnetic strips e, Fig. 6, are integral with bent arms, the ends of which extend downwards into two solenoids o, n, serving both to magnetize them and regulate their position. The arms are attached to a non-magnetic pivot g and are acted on by a spring m.
Patent GB-177485-A (GB)
Title: Improvements in and relating to electric switches
IPC: H01H23/12
Filed: 1921-08-08
Abstract: 177,485. Alkan, R. March 24, 1921, [Convention date]. Addition to 149,940. Snap-action switches of the tumbler type employing a spiral spring located between projections on the operating-tumbler and the contact member, as described in the parent Specification, are provided with modified means for insulating the projection f from the contact-member. The contact blades d are formed integral with a bent-up plate portion having cut-away recesses s and a central hole u. An insulating plate n with tongues t and a small central hole fits on the upper face of the plate, and an insulating plate p fits below. Beneath the plate p the pivot stirrup is fitted and the parts are held together by the pin f, v which is threaded through the holes and its hollow inner end riveted over. The insulating plate n with the small hole holds the pin isolated from the contact plate.
Patent GB-773447-A (GB)
Title: Improvements in or relating to the stabilization of chlorinated hydrocarbons
IPC: C07C17/42
Filed: 1955-07-20
Abstract: Tetrachlorethylene and other low molecular weight chlorinated hydrocarbons of up to 6 carbon atoms are stabilized by the addition of acetylenic ethers and esters, with or without an additional light stabilizer, especially isoeugenol.  The tetrachlorethylene may be initially purified.  The preparation by esterification or etherification of the following suitable acetylenic compounds is described: n-butyl methylbutynol ether, phenyl propargyl ether, propargyl formate, propargyl acetate, propargyl benzoate.  Examples are given of the stabilization of tetrachloroethylene with ethyl propargyl ether, phenyl propargyl ether, propargyl formate, propargyl acetate, propargyl benzoate, 2-butyric-1 : 4 - diol - diacetate, 3 - methyl - 1 - butyne - 3-ol - acetate, 2 - butyne - 1 : 4 - diol - dibenzoate each with and without isoeugenol.  Other chlorinated hydrocarbons which may be similarly stabilized are dichloroethylene, trichloroethylene, trichloroethane, pentachloroethane, chloroform and carbon tetrachloride.  A number of components of acetylenic ethers and esters are also specified.
Patent GB-736418-A (GB)
Title: Improvements in or relating to combustion apparatus
Inventor: RICHARDS PAUL KEITH
IPC: F23G5/32
Filed: 1952-08-21
Abstract: 736,418. Cyclone furnaces. THOMPSON WATER TUBE BOILERS, Ltd., J. Sept. 9, 1953 [Aug. 21, 1952], No. 21054/52. Class 51 (1). In a cyclone furnace for pulverulent or liquid fuel the gas outlet is formed concentrically of one end face of the furnace chamber as a re-entrant neck portion or throat 6 and the fuel and primary air mixture is introduced into the annular space 8 between the throat 6 and the wall of the furnace chamber. As shown in Figs. 1 and 2 primary oil and fuel are introduced through a nozzle 7 and secondary air, adjustable by a vane 10, through an inlet 9; tertiary air is supplied at 11. In a modification, furnace grits or other semi-combustible material are also introduced into the annular space 8. In a further modification, Fig. 8, the fuel and primary air mixture is introduced through, a single-turn helical passage 17 and secondary air through a similar passage 19.
Patent GB-1328432-A (GB)
Title: Metal reinforcement for a composite moulding or beading of  channel shape and method of manufacturing the same
IPC: B60J10/00
Filed: 1971-04-19
Abstract: 1328432 Making metal reinforcements DRAFTEX 19 April 1971 [11 Feb 1970] 21310/71 Heading B3A A metal reinforcement of generally U-shape in transverse section is formed from metal strip (Fig. 1) shich is scored at regular intervals to produce transverse scores 6, then deformed so as to cause areas 8 adjacent each score 6 to be bent out of the plane of the strip, and bent about is longitudinal axis A to impart the desired U-section thereto. In the embodiment shown additional scores 7 are made such that each complete score is of I shape and defines a pair of tongues 8 when the deformation occurs. The tongues 8 are bent back through 180 degrees (Fig. 2). The reinforcement further has edge notches 2 and longitudinal strands 11. In another embodiment (Figs. 3 and 4, not shown), the tongues 8 are stamped out so as to have portions parallel with the strip but spaced from the plane of the strip. In a further embodiment (Figs. 5 and 6, not shown), the transverse scores 6 are the only ones provided and projections (13) whose height decreases from a maximum at the axis A are stamped out. The reinforcement, once coated with plastomers or elastomers, or inserted into a plastics or elastomeric section, may be used to provide edge finishing or draught excluders for vehicles, e.g. along doors.
Patent GB-223697-A (GB)
Title: An improved loom shuttle
IPC: D03J5/08
Filed: 1923-08-23
Abstract: 223,697. Warbrick, C. Aug. 23, 1923. Shuttles.-The skewer is held in its raised and lowered position by a steel strap spring A held in position by steel ping d, e in front of the pivot peg c and having a looped part and a narrow part a<1> engaging the skewer head. A part b<1> of the skewer fits into a central slot a<2> in the spring.
Patent GB-266225-A (GB)
Title: A process for the treatment and digestion of natural aluminium hydroxides
IPC: C01F7/06
Filed: 1925-08-25
Abstract: 266,225. Kleinmann, F., and B³ttner- Werke Akt.-Ges. Aug. 25, 1925. Ball and like mills; wet grinding.-A trituration apparatus such as a ball-mill, for wet,grinding bauxite, comprises a long tube a one end of which. is formed with perforations b to which is applied a filtering layer c enclosed in a perforated sleeve d. Alternatively the filtering-device may constitute the end of the mill, Fig. 2, or the end of a separate chamber k connected with the mill, Fig. 3.
Patent GB-1000219-A (GB)
Title: Improvements in or relating to scissors
IPC: B26B13/00
Filed: 1964-05-22
Abstract: 1,000,219. Scissors. VITRY FRERES. May 22, 1964 [May 31, 1963], No. 21339/64. Heading B4B. The blade 1 of nail or other scissors is provided with a slot 2 for insertion therethrough of a nail 7 or an object to be sheared between a side of the slot and a cutting edge of the blade 3.
Patent GB-901979-A (GB)
Title: Improvements in or relating to materials for use in sound-deadening
Inventor: TAYLOR FREDERICK JAMES
IPC: G10K11/16
Filed: 1959-06-22
Abstract: Materials, which are flexible and non-tacky at room temperature and which comprise bitumen or bituminous substances and/or a resinous substance with a filler (asbestos barytes, mica, vermiculite) are formed into sheets having a plurality of perforations, projections, or recesses, which can be attached, when heated, to metal parts (as in motor vehicles) to produce a sound deadening effect.  In the case of a bituminous material a softening agent (linseed oil) is used and for a resinous material oil or a plasticizer is incorporated in the mix.  According to an example 10 parts (by weight) of bitumen and 1 part linseed oil are mixed and heated to 400 DEG F.  Filler material being twice the weight of the bitumen/oil mixture is added.  The mixture is cooled and rolled into sheets, or alternatively a spreading machine may be used.  In the rolling operation where the sheet may pass through two or more rollers each roll is maintained at 10 DEG  to 15 DEG F. higher than the preceding roll.  The final roll is provided with a scraper blade to remove the sheet.  The designs are formed on the sheets by suitably profiled or spiked rollers.
Patent GB-250814-A (GB)
Title: Improvements in and relating to gramophones and the like
IPC: G11B25/04
Filed: 1925-08-26
Abstract: 250,814. Goode, B. W. K., and Sugden, H. D. Aug. 26, 1925. Cases with internal horns; driving; tone-arm joints.-Relates to gramophones and the like, particularly of the portable type, in which accommodation for records is provided within the horn or sound-amplifying chamber when the machine is not in use. According to the invention, the horn has curved walls, one of which is formed of a number of parts hinged together so that it can be moved against the side of the casing when necessary. The casing is divided by an horizontal partition 2, 2<a> into two main compartments, the upper one 3 containing the driving mechanism and turntable, and the lower one 4 being adapted to receive records 24, preferably in a tray or drawer 25, and to serve as the amplifying chamber when the drawer and records are removed. The compartment 4 has in one corner a curved sound-deflector 18, which directs the sound from a tube 14 leading from the tone-arm, and also has a fixed curved wall 19 of aluminium &c. This wall forms one side of the horn, the other side being constituted by a movable wall 20 made of two or more parts pivoted together at 20<a>. The inner end of the wall 20 is slidable between an abutment 22 and a fixed pin 21. When the machine is not in use, the movable wall lies against the wall 19, but after removing the records the wall 20 is adjusted to any of such positions as are shown in chain lines in Fig. 3, one or more wedge-shaped stops secured to the underside of the outer portion 2<a> of the partition 2 (which portion is flared as shown in Fig. 2) being provided to determine the required positions of the movable wall. The tone-arm, which is' jointed at 12<b>, as shown in Fig. 4, is rotatably mounted in the sleeve 14 which has a pin 14<a> projecting into a helical slot in a fixed sleeve 15. By this means the tone-arm can be lowered, by turning it, so that when not in use it lies below the level of the turntable in a separate compartment (not shown). The motor-winding crank is permanently attached to the winding spindle, and hinged thereto, so that when not in use it can be swung completely within the casing. The spring motor, which comprises two springs side by side, is made as shallow as possible.
Patent GB-597540-A (GB)
Title: Improvements in or relating to blocking-layer rectifiers
IPC: H01L21/06
Filed: 1945-08-22
Abstract: 597,540. Asymmetrically-conducting resistances. PHILIPS LAMPS, Ltd. Aug. 22, 1945, No. 21465. Convention date, June 15, 1940. [Class 37] A connection 10 to the counter-electrode 4 of a rectifier element is made with the aid of a conductive air-drying adhesive such as a conductive paste or lacquer 11 consisting, for example, of a mixture of 30 gms. of finelyground graphite and 100 c.c. of chlorinated rubber lacquer, the adhesive being such as not to effect to any important degree the qualities of the blocking layer at the point of fastening. Specification 537,126 is referred to.. The Specification as open to inspection under Sect. 91 comprises also a supply conductor 1, Fig. 1 (Cancelled), having a contact end 2 formed into a spiral which after immtrsion into molten solder retains a quantity 3 of this material. During the time that this material is still in the molten state, the supply conductor 1 is placed on the electrode layer 4 of the rectifier, thereby melting the layer 4 superficially and forming an intimate connection. Due to the limited amount of heat energy contained in the material 3, no damage occurs to the blocking layer under the electrode layer 4. An alternative construction of supply conductor having a foraminated end in a flexible metal strip is described which is secured in a similar manner. In an alternative method of fastening the supply conductor, the solder may be allowed to coagulate on the end of the supply conductor and later melted at the point of fastening by supplying hot air from a blow-pipe 9, Fig. 2 (Cancelled). In a further method of fastening the supply conductor, a protective layer 12, Fig. 4a (Cancelled), is provided at the point of connection before the supply conductor 13 is fastened. The layer 12 may be of material having a higher or lower melting point than the material of the electrode 4, and may be applied by spraying. This subject-matter does not appear in the Specification as accepted.
Patent GB-182351-A (GB)
Title: Improvements in or relating to plansifters
IPC: B07B1/42
Filed: 1921-08-12
Abstract: 182,351. Simonis, L. M. Aug. 12, 1921. Sieves with compound motion.-In a plansifter, the points of suspension X of the rods 4 carrying the sieves 2 are arranged in a plane A-B containing the centre of oscillation Z of the shaft 7, whilst the centres y of the connections of the rods 4 to the sieve frames are arranged in a second plane C - - D parallel to the plane A - - B and passing through the centre of gravity of a counterweight 13 and through the centre V of the spherical bearing 11<1> of the lower end of the driving shaft. The shaft 7 is keyed to a driven pulley 8 which rests on spherical seatings 6<1>, 6<11> having a common centre Z, the seatings being formed on a bearing 5 carried by a main support 1. The lower end of the shaft 7 has a By-wheel 12 attached to it, which carries a counterweight 13. A pin 10, eccentrically attached to the shaft 7 engages a spherical seating 11<1> in the socket 11 the seating having centre V and the socket being attached to the, frame 3 carrying the sieves. By these means a balanced gyratory motion is given to the sieves. In a modification, the two bearings 6<1>, 6<11> are replaced by a single spherical bearing, and the spherical bearing 11' is replaced by a ball bear. ing.
Patent GB-220809-A (GB)
Title: An improved guide for saw blades in hack saw machines
IPC: B23D51/02
Filed: 1923-08-25
Abstract: 220,809. Ward (Worcester), Ltd., J., and Ward, J. Aug. 25, 1923. Reciprocating-saw machines. - A hack-saw blade is guided by a bar A, slotted to take the blade, and mounted so as to slide freely in a bracket B on the work holder.
Patent GB-1070564-A (GB)
Title: A device for determining the relative positions of a plurality of members
Inventor: KAUDER HERMANN
IPC: G03B27/56
Filed: 1964-05-25
Abstract: 1,070,564. Machine tool details. SIDNEY R. LITTLEJOHN & CO. Ltd. April 28, 1965 [May 25, 1964], No. 21568/64. Heading B3B. [Also in Division G2] A device for setting up a machine tool comprises racks MA, MB, MC secured to movable parts of the tool, a rod ME movable axially and rotatively by means of a handle MR to engage pegs MG in one of a number of notches associated with the racks, and a dial gauge MN, the stylus MZ of which is operated by a bell - crank MQ to indicate the position of the rod. By movement of the racks the dial gauge can be brought to a predetermined reading. A separate rod MF can be engaged with rack MC to operate the dial gauge.
Patent GB-584042-A (GB)
Title: Improvements in and relating to straight bar knitting machines
IPC: D04B15/64
Filed: 1944-11-03
Abstract: 584,042. Knitting-machines. SCOTT & CO., Ltd., P., and LAURIE, J. C. Nov. 3, 1944, No. 21602. [Class 74 (ii)] A stop for a thread carrier rod or like reciprocating part of a straight-bar knitting- machine comprises a member coupled to a pneumatic cylinder so that the reciprocating part at the end of its travel is initially gradually retarded to prevent excessive vibration of the machine. As described, a stop for a thread carrier bar comprises a member 8 slidably mounted in an adjustable bushing 9 and connected to an arm 15 pivoted to the carrier stop bracket 2. The end of the arm is connected by links 13 to a piston rod 12 of a piston in a pneumatic cylinder 10, so that when the carrier bar engages the member 8 the piston compresses the air in the cylinder, gradually increasing the retarding force on the carrier. At a predetermined pressure a valve 14 operates, allowing the air to escape and a carrier catch 5 to engage the carrier rod 6 and prevent rebounding. When the carrier rod is driven in the opposite direction a spring 16 returns the stop mechanism to its operative position.