baber/WOPTO huggingface dataset:
Patent GB-1372474-A (GB)
Title: Metbods of manufacturing and magnetic transducers
IPC: G11B5/48
Filed: 1972-05-15
Abstract: 1372474 Magnetic heads INTERNATIONAL BUSINESS MACHINES CORP 15 May 1972 [4 June 1971] 22660/72 Heading G5R In a multi-element magnetic head assembly, Fig. 3B, a series of slots 206 along one edge of a sheet or strip of magnetic material 103 define the transducing gaps, and apertures 207 serve to locate the windings 208. In use, the assembly is arranged obliquely to the record, e.g. between two parts 110, 111, as in Fig. 1B, or as in Fig. 1A, 1C (not shown), in order to reduce the spacing between tracks, e.g. as shown in Fig. 2D. The sheet/strip 103 may also have a further series of winding apertures more distant from the transducing edge, the conecting slots then being longer (as in Fig. 3C, not shown). The assemblies are prepared by forming the apertures 207 and slots 206 to approximate shape using punch/die or cutting techniques as in Figs. 5A, 5B, 5C (not shown), and then obtaining accurate shapes with ferric-chloride etch treatment, and flat-annealing. The head may alternatively be built up using evaporation/marking/ etching techniques, as described with reference to Fig. 4 (not shown), or by winding a strip (601, Fig. 6, not shown) of copper coated (603) magnetic material into a spiral, coating selective portions (604, 605) with magnetic films, forming winding holes (607), and then slicing the spiral radially (along lines 606).
Patent GB-601323-A (GB)
Title: Improvements in and relating to leather, hides, skins and like materials of animal origin
IPC: C14C9/00
Filed: 1945-09-04
Abstract: 601,323. Treating leather ; proofing permeable materials. TANOPLASTICS RESEARCH, Ltd., POMERANIEC, J., and UHLFELDER, F. Sept. 4, 1945, No. 22700. [Classes 76 and 140] Bodies of the polyethylene type are incorporated in the structure of leather, hides, skins and like materials of animal origin, in order to improve the tensile strength, flexibility, and resistance to water, abrasion, and tearing, of these materials. The polyethylene bodies may be of the type melting below about 100‹C, and applied in the melted state or they may be used with a solvent, or as an emulsion. Incorporation may be carried out during or after tanning, and before, during or after treatment with oils, fats, or waxes. A plasticiser, e.g. isobutylene may be associated with the polyethylene body. In examples (1) leather heated by infra-red heating is dipped in melted "Alkathene" (Registered Trade Mark) and washed with white oil; (2) leather is dipped in a solution of "Winnothene" (Registered Trade Mark) in white oil.
Patent GB-463529-A (GB)
Title: Improvements in or relating to rolling mills
IPC: B21B28/04
Filed: 1936-08-18
Abstract: 463,529. Cleaning rolls. DORTMUNDHOERDER HUTTENVEREIN AKT.-GES. Aug. 18, 1936, No. 22722. Convention date, Nov. 7, 1935. [Class 83 (iv)] The rolls of a mill are cleaned by non-scari. fying blocks c of hard wood, fibrous material, leather soft metal, or woven metallic material which are shaped to correspond with the roll pass, e.g. as in Fig. 4, and are pressed against the rolls by adjustably weighted levers d or springs. Jets of water W, Fig. 6, may wash away the scale. The blocks may be grooved or duplicated to provide duplicate cleaning edges as in Fig. 6.
Patent GB-871445-A (GB)
Title: Driving tool and fastener
IPC: F16B19/05
Filed: 1959-07-02
Abstract: 871,445. Riveting. HUCK MANUFACTURING CO. July 2, 1959 [July 31, 1958], No. 22736/59. Class 83 (4). [Also in Group XXV] A driving tool for setting a fastener comprising a pin 12 having a head 26 at one end and a collar 14 for swaging into locking grooves 30 on the pin spaced from said head while the pin is being gripped and pulled at a screwthreaded stem portion 40 located opposite the head, comprises a nut member 46 having internal screw threads for engaging the stem portion of the pin so as to be moved axially of the pin upon rotation of the nut member and a tubular swaging anvil 42 rotatably mounted with respect to said nut member for swaging engagement with the collar. The pin is formed with a hexagonal wrenching portion 36 at its end opposite the head 26. A thrust bearing 50 is disposed between the nut member and the anvil and the tool members are held in assembly by a retaining sleeve 52. In operation, the pin is inserted through the openings in the members 20, 22 to be joined and the collar 14 placed over the locking grooves of the pin. The tool is then applied to the pin by threading the nut member on to the pin portion 40 until the anvil engages the collar 14. The nut member is rotated by a wrench and the pin is prevented from rotating by applying another wrench to the hexagonal end portion 36 of the pin. Rotation of the nut member is continued until the collar is swaged on to the locking grooves of the pin and the pin fractures at a breakneck portion 34. The anvil is removed from the swaged collar by rotating the wrenching portion 36 of the pin tail which acts as a jack to retract the anvil. Specification 629,098 is referred to.
Patent GB-279987-A (GB)
Title: Improvement in frames or edgings for the fire openings or surrounds of fireplaces
IPC: E04F19/00
Filed: 1926-09-15
Abstract: 279,987. Pollock, C. Sept. 15, 1926. Open. fireplaces.-Frames for the openings of fireplace surrounds comprise lengths A - - C of thin metal forming the sides and top, the ends of which fit adjustably in corner pieces D, E in order that height and width of the frame may be adjusted to suit the opening. The parts A - - C may each be in more than one length, the lengths being connected by covering-pieces in which they slide to provide further adjustment in size. A canopy may be secured to the top length.
Patent GB-421000-A (GB)
Title: Improvements in ash hoppers for furnaces
IPC: F23J1/00
Filed: 1933-08-15
Abstract: 421,000. Furnace ashpits. AMERICAN ENGINEERING CO., Aramingo Avenue, Philadelphia, U.S.A. Aug. 15, 1933, No. 22758. Convention date, Sept. 12, 1932. [Class 51 (i)] A furnace ashpit 1, Fig. 1, comprises an upper section 6 and a lower section 7, the latter being of standard size and the upper section being constructed of standard size' plates so that it may be built to any size desired to fit the ash chamber 8 of the furnace and the lower section 7. The standard plates 24, 25 of the upper section are made in two sizes the upper plates 24 having twice the vertical dimension of the lower plates 25. Sealing means consisting of projections 27 and recesses 28, Fig. 7, are formed on the abutting edges of the plates and the lower edges are also chamfered so that the plates may be arranged at varying angles to suit the slope of the walls. Holes are provided in the plates to receive bolts 37 for securing refractory blocks 38 to them. The plates are also provided, as shown in Fig. 6, with recesses 32 to receive the heads of bolts 33 for securing them to the frame of the ashpit. The lower section 7 is provided with hinged gates 5 which are actuated through gearing by a piston 58 in a cylinder 55 supplied with fluid pressure by pipes 71, 72. A draining trough 78 is arranged beneath the gates 5 and is pivotally mounted on a vertical rotatable column 81, 84 to enable it to be swung aside before the gates 5 are opened to discharge ashes into the truck 4. The pipe 71 which admits pressure fluid to the cylinder 55 to open the gates is provided with a valve 94 which is normally closed and is connected to the column 84 in such a manner that it is opened to admit pressure fluid to the cylinder 55 when the trough is swung clear of the gates 5.
Patent GB-1154299-A (GB)
Title: Electronic Digital Computer
IPC: G06F12/08
Filed: 1968-05-14
Abstract: 1,154,299. Microprogramme-controlled computers. INTERNATIONAL BUSINESS MACHINES CORP. 14 May, 1968 [23 May, 1967], No. 22789/68. Heading G4A. A microprogramme-controlled electronic digital computer includes a plurality of control stores at least one of which is an electronicallychangeable control store, and means for loading micro-instructions into an electronically-changeable control store while the computer is operating under the control of micro-instructions stored in the other control store or stores. One read-only and two read-write control stores are provided and the latter can be loaded from a main store, an external control programme store, or a register receiving micro-instructions modified in an arithmetic and logic unit.
Patent GB-206943-A (GB)
Title: Improvements in and relating to interleaving of books and pads of paper and fabric
IPC: B42C3/00
Filed: 1922-08-22
Abstract: 206,943. May, A. R. Aug. 22, 1922. Manuscript books and pads.-A method of interleaving for duplicating, manifolding, or like books and pads wherein adjacent leaves of paper or fabric have different characteristics, for example, alternate leaves are opaque and transparent, or differently coloured, consists in preparing or treating the sheets or webs of material in two or more strips to obtain the different characteristics on single sheets, which are subsequently folded and collated. Fig. 2 shows a folded sheet with two parts a, b differently prepared, and Fig. 4 shows the folded sheets inset at the folds, alternate sheets being inverted. Perforations may be provided near the folds of the sheets.
Patent GB-853564-A (GB)
Title: Improvements in or relating to axial flow fans
IPC: F04D29/36
Filed: 1958-07-17
Abstract: 853,564. Axial-flow fans. BROWN, R. W., and ENGINEERING ARTS Ltd. May 19, 1959 [July 17, 1958], No. 22915/58. Class 110 (1). In an axial flow fan, the impeller blades have their roots clamped in recesses in the runner hub of the fan by means of U-bolts passed through apertures provided at each side of said recesses. A runner hub 10 of a fan has recesses 15 in a raised periphery 14, each recess accommodating a root portion 16a of a blade. The blade root has a flange 16b which fits over the raised periphery thereby providing constraint against centrifugal force when running. U-bolts 19, Fig. 3, clamp the blade root in position when nuts 20 are tightened and washers 21 are used for balancing the rotor. The blade angle may be adjusted by temporarily backing-off the nuts.
Patent GB-1473521-A (GB)
Title: Shatter resistance in glass containers
IPC: B65D23/08
Filed: 1974-05-22
Abstract: 1473521 Coated glass container LIBERTY GLASS CO 22 May 1974 [25 May 1973] 22928/74 Heading B2E The mechanical strength and shatter resistance of a glass container is improved by a plastics containment film, e.g. ethyl acrylate/ acrylonitrile copolymer, such that when subjected to tensile testing at room temperature and a film extension rate of 25.4 cm/min. the film exhibits a tensile strength of at least 21.1 kg/cm<SP>2</SP>, an elongation of at least 80% and a modulus of elasticity in tension of less than 70.3 kg/cm<SP>2</SP>, the film being substantially uniformly adhered to the container with a peel strength of less than 0.285 kg/cm, preferably less than 0.178 kg/cm.  An adherency modifying primer coating may be applied to the container, e.g. of polyethylene, silicone resin or montan wax. The primer may be applied directly to the glass or it may be applied to containers coated with tetraisopropyl titanate. The coatings may be applied as emulsions or powders by dipping or spraying.
Patent GB-728350-A (GB)
Title: Improvements in or relating to incandescent pressure lamps
IPC: F23D99/00
Filed: 1953-08-20
Abstract: 728,350. Incandescent pressure lamps. GRAETZ, F., and GRAETZ, E. Aug. 20, 1953 [Oct. 4, 1952], No. 22954/53. Classes 75 (1) and 75 (4). An incandescent pressure lamp operated by liquid fuel under air pressure has a lower casing member 14 which bears only partly on the fuel container and is provided only with apertures for the vaporizer control hand shaft and if necessary, a preheater. The bottom edge 15 of the lower casing member 14 has a number of recesses 16 of optional height and width and bears on the fuel tank 1 by means of the intervening portions of its bottom edge 15. The lower casing member 14 is held in position by a centering member 3 and a screw 4. In alternative arrangements the bottom edge of the lower casing member 14 is straight and bears on a number of bad heatconducting distance pieces placed between its bottom edge and the fuel container, Fig. 3 (not shown), or a number of raised portions provided on the fuel container, Fig. 4 (not shown).
Patent GB-655330-A (GB)
Title: Improvements in or relating to grain harvesting machines
IPC: A01D41/08
Filed: 1948-08-31
Abstract: 655,330. Grain harvesters. McCONNEL, BOMFORD, Ltd., McCONNEL, F. W., and BOMFORD, D. R. Aug. 31, 1948, No. 22968. [Class 6(iii)] Relates to a harvester of the kind which threshes out the grain from the ears before the stalks of the crop are cut comprising a carriage on which a number of beaters 63 .are mounted to rotate about a transverse horizontal axis. Gathering members 62 are provided which project forwardly of the beater members for guiding the stalks and ears between the beaters. According to the present invention the grain is conveyed to an awner 12 which separates the grain from the husks and means are provided for carrying the grain to an impeller chamber 59. As shown the beaters are so formed that they create an air current which carries the separated grain into a casing 86 where it is carried into a cyclone separator 11 which is open at the top to allow husks and pieces of straw to be blown out into the atmosphere. The grain passes through an opening 87 into the awner 12 which comprises a shaft 91 carrying blades 92 so positioned that they propel the grain to the receiving end. Lugs 93 are provided in the base of the awner, which lugs co-operate with the blades 92 and separate the grain from any unthreshed heads broken from the stalks. The grain is fed to the impeller chamber 59 where a fan 108 delivers the grain through a conduit to a second cyclone separator 13, the lower end of which is open and delivers the grain to a shoot arranged above a funnel where it is bagged, the lighter particles being drawn through a conduit into an impeller chamber 61 by means of a fan 98 and delivered to the atmosphere. A bagging platform 18 is provided and the height of the beaters is adjustable for varying crops. The machine is conected to the rear axle of a tractor and the moving parts are driven from a power take-off pulley 105 on the tractor. Adjustable tines 65 are provided to raise fallen crops. Specifica.- tion 572,040 is referred to.
Patent GB-193440-A (GB)
Title: Improvements in, or relating to, mixing machines or apparatus
IPC: E01C19/10
Filed: 1921-08-30
Abstract: 193,440. Wake, J. F. Aug. 30, 1921. Rotary batch-mixers.-A machine of the cube type for mixing broken stone &c. with tar, cement, &c. comprises a casing rotated about a diagonal, the bulk material and liquid being fed axially either at the same or opposite ends and discharged through a door at one corner. The apparatus also comprises a storage bunker and weighing hopper for the bulk material, and a liquid weighing hopper and fluid pressure supplying apparatus. The cubical drum a is provided with a feeding opening n surrounded by a conical member o forming a trunnion which is fitted with a renewable rim d riding on a par of rollers e on the frame q. The other end of the drum is provided with a shaft f mounting in a bearing s and rotated by bevel gear g from a countershaft h through fast and loose pulleys, or a clutch. The door j is engaged by a spring-influenced catch m having an arm 9 which is engaged by an arm 10 on a rock-shaft 11 operated by a foot-lever 13. The bulk material and liquid may be fed through the opening n, in which case the shaft f is solid, or, as shown, the liquid is fed by a pipe y passing through the shaft f. The liquid is supplied to a pivoted weighing vessel 22 tipped by a chain 23. The bulk material is stored in a bunker 16 leading to a weighing hopper 17 from which the material is fed into a shoot 18. The tar or other liquid may be atomized bv heated compressed air introduced into the supply tank 22 or supplied to the pipe y by a pipe in proximity thereto.
Patent GB-1057689-A (GB)
Title: Method for the automatic control of material transferring cars moving up and down by cables on the slopes of reservoir embankments
IPC: E02B3/12
Filed: 1965-05-31
Abstract: 1,057,689. Control of motors. STRABAG BAU A.G. May 31, 1965 [May 29, 1964], No. 23119/65. Heading H2J. [Also in Divisions B7 and E1] A car (3) for transferring material from a loading device to an applicator (2) for producing a membrane waterproofing on the surface of an embankment, which applicator is moved up aid down the embankment by cables (21), is connected by a cable (29) to a winch (6) under the control of an electric motor 30 and is automatically reciprocated between the loading device and the applicator thus: when the loaded car has been lowered down the embankment to a desired distance from the applicator, the cable (29) is paid out sufficiently for the winch (6) to actuate contacts (40, 40<SP>1</SP>) to switch the driving motor (30) to the other direction of motion thus initiating plugging and causing the car (3) to gently reduce speed to zero, the car then having approached the applicator (2) until contacts (27, 27<SP>1</SP>) meet to actuate a time relay (31) and a time relay (34) when an auxiliary motor (33) is provided whereby the torque exerted on the winch (6) is sufficient to keep the cable (29) taut but insufficient to move the car, physical contact of the car with the applicator then actuating a switch 12 to cause unloading of the material from the car into the applicator, and when the unloading is completed the relays (31, 34) switch the winch (6) to its full torque and the car (3) is pulled up the embankment until it is halted by a stop device at the position where it is reloaded with material.
Patent GB-838216-A (GB)
Title: Improvements in or relating to a.c. frequency changing means
Inventor: HASWELL RONALD
IPC: G01J3/42
Filed: 1956-07-27
Abstract: 838,216. Photo-electric spectrometers. GRUBB PARSONS & CO. Ltd., Sir H. June 19, 1957 [July 27, 1956], No. 23313/56. Class 40 (3). [Also in Group XXXV] In apparatus for increasing the frequency of a first signal representing a quantity to be measured, the first signal which has a frequency bearing a fixed relationship to an A.C. supply frequency F is used to modulate a second signal produced by an A.C. generator driven at a speed in fixed relationship to said A.C. supply frequency, the frequency f1 of said second signal being adjusted in relation to the frequency f2 of the first signal so that f<1> Œ f<2> = f, a selector circuit being provided to select, from the resultant modulated output, a signal of frequency equal to the supply frequency F. In a self-balancing double-beam spectrometer, beam switching means 10, operated e.g. by an eccentric on a rotating shaft, causes the beams A and A and B to be focused alternately upon the entrance slot of a monochromotor 4, which directs the radiation on to a detector 5 to produce a signal at a frequency of 12.5 cycles per second. The amplified output of the detector 5 is fed to a frequency step-up circuit 8, which as shown in Fig. 2 comprises four modulator valves 11, 12, 13 and 14, the anodes of which are controlled by the amplified output of the detector 5 and the grids of which are fed with an alternating signal at 37.5 cycles per second from an A.C. generator G geared to the rotating shaft which operates the beam switching means 10. The resulting modulated output is fed to a selector circuit which accepts the 50 cycles per second component of the modulated signal and rejects the 25 cycles per second component the 50 cycles per second signal being fed to a split phase induction motor of a servo system 6, the reference phase of which is excited at the mains frequency of 50 cycles per second. The servo system 6 is coupled to the attenuator 9 in the comparison beam path B. Specifications 666,270 and 838,215 are referred to.
Patent GB-443096-A (GB)
Title: Method of making profiled rubber strips
IPC: B29C67/24
Filed: 1934-08-13
Abstract: In the manufacture of profiled rubber strips, for example glazing strips for the windows or windscreens of motor cars, a strip having substantially the desired cross - section, and obtained for example by extrusion, is placed on a strip of other suitable material, having in part a shape corresponding with the shape of the rubber strip and arranged substantially horizontally, and supported thereon while being vulcanized.  The strip may be partly vulcanized before being placed in the support. The supporting strip may be for example of metal or of rubber compounded and cured to a hardness similar to that of leather; when rubber is used metal powder may be incorporated therewith to improve its thermal conductivity.  The supporting strip may be made by extrusion.  The supporting strip may be coiled on a flat base or in the case of windscreen sealing strips the support may be curved similarly to the windscreen, a number of convolutions of the support each of the shape of the windscreen frame may be placed one above the other in horizontal planes and spaced apart so that a number of complete strips are obtained and only require to be separated after vulcanization.  To prevent the rubber sticking to the support the rubber strip may be treated with a substance such as talcum or passed through a bath comprising either (a) water, a wetting agent such as soap and a substance for raising the boiling point such as glycerine, or (b) a suspension or colloidal dispersion of zinc stearate or similar compound in water, or (c) a solution of a combination of at least one phosphatide and at least one organic acid either in physical mixture or chemically combined.
Patent GB-1263440-A (GB)
Title: Solid phase polymerization of strain-hardened polyesters
Inventor: MAXION EMIL JOHN
IPC: C08G63/80
Filed: 1970-05-14
Abstract: 1,263,440. Solid phase polymerization of strain hardened polyesters. MOBIL OIL CORP. 14 May, 1970 [13 June, 1969], No. 23382/70. Heading C3R. The molecular weight of a thermoplastic solid polyester resin of at least one dihydric alcohol and at least one carbocyclic dicarboxylic acid is increased by stretching the resin by at least 20% in at least one dimension to increase its sticking temperature and thereafter subjecting the strain hardened resin to polycondensation in the solid state. The resin may be stretched in the form of films, sheets, fibres or filaments which may be subdivided for polycondensation or may be polycondensed as a continuous web, strand or bundle of unbroken filaments. The polycondensation temperature is preferably at least 200‹ C. From 0À1 to 10 parts of an inert heat-resistant anti-caking agent may be added to 100 parts of the resin prior to polycondensation; the agents may be talc, natural minerals, oxides and carbonates of Si, Al, Ti, Ca, Fe or Mg, non-alkali metal soaps of higher fatty acids, or liquid polysiloxanes or fluorocarbons boiling above 300‹ C. In the examples, the polymer used is polyethylene terephthalate.