baber/WOPTO huggingface dataset:
Patent GB-280918-A (GB)
Title: Improvements in or relating to heat radiators
IPC: F28F21/08
Filed: 1927-11-15
Abstract: 280,918. Luth & RosÚns Elektriska. Aktiebolag, (Assignees of Lindstr÷m, A. F. H., and Segerstr÷m, C. D.). Nov. 19, 1926, [Convention date]. Radiators.-To in crease the heating surface of a sheet metal radiator, th( two side plates 4, 6 are extended at 13 14, and strips oi metal 15 may also be welded between the two, plates at their joints.
Patent GB-1222923-A (GB)
Title: Improvements in or relating to semiconductor components
IPC: H01L23/29
Filed: 1969-06-18
Abstract: 1,222,923. Magnesium and zinc aluminates. SIEMENS A.G. 18 June, 1969 [19 June, 1968], No. 30735/69. Heading C1A. [Also in Division H1] Amorphous magnesium-aluminium or zincaluminium spinels are deposited on a monocrystalline Si substrate by pyrolysis of organic vaporizable compounds. To produce an layer suitable organic compounds are aluminium isopropylate or secondary aluminium butylate and magnesium acetylacetonate or, alternatively, vaporized aluminium-magnesium-ethylate may be used. For a zinc-aluminium spinel the zinc-containing compound may be zinc acetylacetonate Nitrogen, argon or a nitrogen-hydrogen or nitrogen-oxygen mixture may be used as a carrier, being charged with the organic reactants at 100-300 C. Pyrolysis takes place at 500-600 C. Small quantities of TiO 2  may be incorporated into the layer by the addition of tetraethoxy titanium to the pyrolysis mixture. The layer is then heated, preferably at below 950 C., to crystallize the spinel layer using the silicon substrate as a nucleus for monocrystalline growth. Subsequently a further layer of Si is epitaxially grown over the spinel layer for use in semi-conductor device manufacture (see Division H1).
Patent GB-136552-A (GB)
Title: Improvements in or relating to Separators or Partitions for File Drawers, Cabinets or Receptacles and the like.
Inventor: ULRICH CHARLES BENJAMIN
IPC: B42F17/02
Filed: 1919-12-09
Abstract: .136,552. Ulrich, C. B. May 21, 1914, [Convention date]. Racks; clamping- devices; expanding- rod and like files.- Papers &c. are filed in drawers, cabinets, &c. between yielding partitions which expand to fill the compartment. The partitions consist of two walls closed together at the upper edges and spreading out at the lower edges by inherent resilience or under the action of interposed helical or other springs 3, 5. The partitions may be provided with a slotted tongue 8 for engagement with a retaining-rod 6, or may be connected in series by fabric or other flexible material 14, in which case single-wall partitions 15 can be attached to the flexible material, which is preferably cut away for the passage of tongues on single-wall partitions for alternative use in a file provided with a retaining-rod. The slots in the tongues on the partitions are elongated to permit tilting of the partitions. The tongues are reinforced by a metal plate 9 folded over the lower edge and secured in position by means of an elongated eyelet 10 on one limb passed through the slot in the tongue and through a corresponding slot in the other limb and clinched over to facilitate the sliding movement of the partitions, rounded bearing projections 23, 24, 25 are provided on their edges. Bearing projections 12 are also provided on the lower edges of the plates 9. Index tab or label holders 19 for use on the partitions are formed of sheet material folded to extend on opposite sides of the partition, and secured in position by means of integral eyelets 20 on one limb passed through corresponding perforations in the opposed limb and clinched over.
Patent GB-1224104-A (GB)
Title: Apparatus and method for continuous coating of a strand with plastics material
Inventor: SOLOMON NATHAN LEWIS
IPC: B29C48/06
Filed: 1969-06-18
Abstract: 1,224,104. Coating cores by extrusion. N. L. SOLOMON. 18 June, 1969 [26 July, 1968], No. 30858/69. Heading B5A. A core 10 is coated by passage through a crosshead extrusion die having a fluted mandrel 48 which provides passageways 49, see also Fig. 3 (not reproduced), extending between a region adjacent extension 40 of a breaker plate 38 and die plate 50. Material from screw 32 passes through the breaker plate 38 into cavity 41 and from thence is diverted by sloping face 45 of a plug 42 through passageways 49; some material flows rearwardly along bore 47 of mandrel 48 as at 52, the amount being dependent on the extrusion pressure and speed of travel of core 10. Such material back - flow aids centring of the core. Passageways 49 may be formed by ribs on the mandrel (as shown) or by ribs on conical surface 53. Screw 32 may be replaced by a piston. Heaters 34 are provided. Core 10 is preheated at (14), Fig. 1 (not shown), and the coated core is cooled in a bath (20) and passed to a take-up spool (26) via a capstan (22) and associated air-blower (24). As described the core is of rectangular cross-section and coating materials mentioned are nylon, polybutyrate, polyethylene, polypropylene, vinyl resins, cellulose and its derivatives, protein substances and polymeric petroleum derivatives.
Patent GB-1200382-A (GB)
Title: Improvements in or relating to ingot moulds
Inventor: BARDGETT WILLIAM EDWARD
IPC: B22D7/06
Filed: 1967-07-05
Abstract: 1,200,382. Ingot moulds. DISTINGTON ENG. CO. Ltd. 26 June, 1968 [5 July, 1967], No. 30880/67. Heading B3F. An ingot mould comprises a metal wall surrounding and defining a casting cavity 6, the wall having a horizontal cross-sectional shape including one or more corners C, and the wall includes at each corner and only at each corner at least one bore 7 extending in the height direction of the mould. The bores can be of circular cross-section, arcuate slots or in the form of a minor segment of a circle, the arcuate part of the segment being parallel with the outer surface of the mould corner. The inclusion of bores reduces the cooling rate at the ingot mould corners after casting; the air in the bores acting as a thermal insulator. Consequently during cooling the lower ends of the bores are preferably sealed by a mould stool.
Patent GB-492225-A (GB)
Title: Improvements in regulating systems for electric discharge devices
IPC: H05G1/34
Filed: 1937-11-10
Abstract: 492,225. Automatic regulation. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 10, 1937, No. 30881. Convention date, Nov. 13, 1936. [Class 38 (iv)] The cathode of a discharge device, such as an X-ray tube supplied with A.C. is maintained at a substantially constant temperature, despite variations of the A.C. potential, by an intermittently conducting device, such as a grid-controlled discharge tube, adapted to modify the instantaneous flow of current to the cathode during a half-cycle in response to supply potential variations. A discharge potential is impressed across the electrodes 10, 11 from the A.C. supply lines 15, 16 through transformer 14. The cathode heating circuit is also supplied from the lines 15, 16 through transformer 18. The primary of this trans - former is, however, short circuited during part of each halfcycle by a grid-controlled discharge tube 20. The control grid 24 is connected through a resistance 25 to a non-linear circuit including a resistance 27, a condenser 28 and a saturable reactor 29. The phase angle between the supply voltage E and the grid voltage E0 accordingly varies with variations in the value of E whereby the discharge tube 20 may be rendered conductive at a definite point in each half-cycle corresponding to the voltage E, as shown at t in Fig. 3. The reactor 29 may be adjustable. In a modification two discharge tubes 20 are provided to deal with both the positive and negative half-waves, the control grids being supplied from a commutator driven by a synchronous motor, the angle of lag of which relative to the supply varies with changes in the supply voltage.
Patent GB-618084-A (GB)
Title: Improvements in or relating to door furniture
IPC: E05C1/16
Filed: 1946-10-17
Abstract: 618,084. Door latches. HUWS, R. L., Oct. 17, 1946. No. 30939. [Class 44] A door latch comprises a pair of recessed base plates 10, 12 secured on opposite sides of an aperture in the door 11 and each providing a mounting for a pivoted handle 19, 20, shaped so as to be located wholly withinthe recess. Each plate is formed with peripheral flanges whereby it is secured to the door by screws 13, 14. The plates 10, 12, are oppositely disposed so that the sloping bottoms 15, 16 of their recesses are parallel and provide a mounting for the sliding latch member 21. This member has arms 26, 27 for engagement by the inside walls of the hollow arms of the handles 19, 20, Fig. 5. A spring urged lever 30 having a pin and slot mounting engages the end of the latch member 21 to urge it to the locking position and is arranged to cooperate with a detent 33. on the pivot of one handle to lock the latch in the extended position when the handle is turned in the reverse direction. The detent 33 is screwed to the handle and provides a pivotal support in the base plate. It also carries a tongue transmitting ridge for engagement with a groove in the handle. The handles are mouldings and have circular base flanges 45, central stems and opposed hollow lever arms which are enlarged to afford rounded finger grip recesses in their side walls. The base plates are provided with interengaging locating studs and holes such as 37, Fig. 5, normally covered by the base flanges of the handles.
Patent GB-1126564-A (GB)
Title: Polyesters
Inventor: RASHBROOK ROBERT BENSON
IPC: C08G63/87
Filed: 1966-07-11
Abstract: 1,126,564. Poly(glycol terephthalates). IMPERIAL CHEMICAL INDUSTRIES Ltd. 23 June, 1967 [11 July, 1966], No. 30975/66. Heading C3R. In the manufacture of fibre- or film-forming polyesters by esterifying terephthalic acid with a glycol and then polycondensing the resulting ester, there is used as a catalyst a carbonate, bicarbonate or C 1-6  aliphatic monocarboxylic acid salt of a quaternary phosphonium compound of. formula where R 1 , R 2 , R 3  and R 4  are alkyl, cycloalkyl or aryl radicals. As additional polycondensation catalyst, there may be used an antimony or germanium compound. Specified glycols are those of formula HO.(CH 2 ) n .OH, where n is 2-10 and 1: 4-cyclohexanedimethanol. U P  to 25 mol per cent of the terephthalic acid may be replaced by isophthalic or sebacic acids.
Patent GB-310840-A (GB)
Abstract: 310,840. Sõchsische Maschinenfabrik vorm. R. Hartmann Akt.-Ges. May 1, 1928, [Convention date]. Drawing-frames; lap-forming apparatus; sliverrubbing apparatus.-Sliver from drawing-frames is condensed, as by imparting a false twist thereto by rub-aprons or revolving tubes, and wound into bobbins a by a suitable machine, such as that described in Specification 293,421, so that it may be used in the creel of a spinning-machine and subjected to a high draft, as by the means described in Specification 185,733, [Class 120 (ii), Spinning, twisting, &c.], comprising three sets of rollers d, a twist tube e and leather aprons c, and spun into yarn whereby flyer frames are dispensed with. The Specification as open to inspection under Sect. 91 (3) (a) comprises also means for condensing the sliver and winding it into the bobbin form combined with the drawing-frame or directly applied to the carding-engine. This subjectmatter does not appear in the Specification as accepted.
Patent GB-392195-A (GB)
Title: Improvements in or relating to electrical heating pads or the like
IPC: C21C5/46
Filed: 1931-11-09
Abstract: 392,195. Wire resistances ; heated cushions ; surgical heating-appliances. SILBERSTEIN, I., 24, Speyerer Strasse, Berlin. Nov. 9, 1931, No. 31087. Convention date, Nov. 8, 1930. [Class 37.] A flexible electric heating pad, cushion, compress, or the like is composed of bored rods or blocks of massive heat-storing material 10 consisting of electrically insulating material such as ceramic material, through which heating wire 9 is threaded, the rods or blocks being connected together but pivotally movable on or with respect to each other and the whole being, if necessary, covered with padding 2 which may pass down in between the heat storage members 10 as at 3, Fig. 3. The wire connecting the heater wire of adjacent members is strengthened as at 5, Fig. 1, or a pivotal strengthened connection may be used as in Fig. 9, the end connections being protected by an insulating cap 40. Adjacent members as in Fig. 3 may be separated by strips of felt or other resilient material or they may be directly connected by coacting projections and recesses 11, 17 thereon which are held together by pins such as 12, or opposite longitudinal edges may be concave and convex respectively to engage the corresponding edge of the adjacent members. The end faces of the members may have grooves in which elastic bands, which embrace the whole unit, are housed. In a modification, Fig. 12, the longitudinal side faces of the blocks are provided with dovetailed grooves into which double-conical helical springs 26 are slid which also pass through holes in inserted strips 27 of felt or other resilient material and thus secure adjacent members together in a resilient pivotal connection.
Patent GB-208869-A (GB)
Title: Improvements in clipping machines for blocked or shaped felt hats
IPC: A42C1/08
Filed: 1922-11-15
Abstract: 208,869. Turner, A., and Turner, W. E. Nov. 15, 1922. Finishing.-A clipping machine for blocked or shaped felt hats has a rotary cutter a and an adjustable plate g adjacent to the cutter for regulating the length of cut. The hat to be trimmed is positioned over an adjustable roller s and a roller p, these rollers engaging the inside of the hat and being carried by a rod raised and lowered by a treadle. An adjustable stop on the treadle determines the operative position of the work support, and in this position the roller p presses the hat against a driven knurled roller n to feed the surface of the hat past the cutter. An adjustable comb k raises the pile prior to clipping. An exhaust pipe may be coupled to the cutter casing to draw off the clippings.
Patent GB-1534885-A (GB)
Title: Axial flow fans
IPC: H02K7/14
Filed: 1975-11-18
Abstract: 1534885 Axial flow fans PAPST MOTOREN K G 18 Nov 1975 [18 Nov 1974] 31199/78 Divided out of 1534884 Heading F1C The subject-matter is the same as that of Specification 1534884 but the claims are directed to the non-circular cross-section outlet and inlet ducts.
Patent GB-208870-A (GB)
Title: Improvements in or relating to stop motions for yarn winding machines
IPC: B65H63/036
Filed: 1922-11-15
Abstract: 208,870. Cannon, J. J. Nov. 15, 1922. Stop-motions; stop-apparatus, non-automatic; tension arrangements.-Relates to yarn-winding machines of the vertical spindle type, wherein the yarn is drawn from a hank on a rotary carrier and wound upon a vertical spindle provided with a disc driven by a friction wheel, and is mainly intended for use with fine yarns such as silk and artificial silk. The disc and wheel are disengaged and the disc forced against a brake surface 13 bv an adjustable detent 7, which is released by a lever 10 acted on through connections 28, 31, by a spring-controlled arm 24 subject to the influence of the yarn. The detent is so shaped that the disc assists its movement and tends to produce a wedging effect between it and the brake. The arm 24 is secured to an axle provided with a nose 26 arranged so that normally an adjustable spring 27 supports the arm and allows a certain movement to compensate for slight variations in tension. When the tension is abnormal the arm 24 is moved to such an extent that the spring acts upon the other side of the nose and depresses the arm so as to operate the lever 10. The spindle may be stopped upon the passage of a knot by means of a cam 34, Fig. 6, fast upon a square axle 35 upon which fingers 36 are slidably mounted; when the fingers are depressed by a knot in the yarn the spring 27 is released and the arm 24 falls and operates the stop-motion as before described. The stop-motion may be operated manually by a handle 16 provided with a catch to depress the lever 10, or a hand-operated detent similar to and engaged by the detent 7 may be arranged so that it may be moved independently thereof, but moves therewith during the automatic operation; in both cases the reverse movement of the hand-operated means resets the detent 7.
Patent GB-1477274-A (GB)
Title: Baby carriage
IPC: B62B7/14
Filed: 1975-07-25
Abstract: 1477274 Baby carriages MARBLE INDUSTRIES CO Ltd 25 July 1975 31294/75 Heading B7B In a baby carriage a carriage body 2 is supported on a truck 1 by connecting means 9, 13 which allows the body 2 to be detachable and pivotable with respect to the truck. As shown in Fig. 1 a lock nut 15 extends through the cylindrical wall of fixture 9 to engage a groove 14 in stud 13 to fix the carriage body 2. Release of the nut 15 allows pivoting of the body 2 about a vertical axis. Auxiliary supports 17 mounted on the body 2 are pivoted into engagement with stops 18 on truck frame 1. The carriage body may be of the chair type as shown or of a cradle type, Fig. 3 (not shown).
Patent GB-318044-A (GB)
Title: Improved u-shaped picker-buffer for weaving looms
IPC: D03D49/36
Filed: 1928-10-29
Abstract: 318,044. Prakke, M. Oct. 29, 1928. Checking shuttles and pickers.- In U-shaped picker buffers formed of layers of hide previously soaked in an emulsion of glycerine, or leather, or both, the outer layer 5, preferably of buffalo hide treated in a similar manner, is lengthened and passed around the inner layers 1 in such a manner that further fastening means is not required. The inner layers may be made of chrome or other leather. Holes 2 for the picker spindle are provided.
Patent GB-234733-A (GB)
Title: Improvements in bicycle stands
IPC: B62H1/00
Filed: 1924-12-31
Abstract: 234,733. Ullmann, A. Nov. 8, 1924, [Convention date]. Guarding against unauthorized use.-A pivoted support of the type applied to one of the pedals of a bicycle is adapted also to serve as a locking- device to prevent rotation of the cranks, thus preventing unauthorized use of the cycle. A fork-shaped support d is mounted on a spindle d' slidable in a lock casing e secured by a clamp c to the pedal a. In the position shown, with the support d in contact with the ground, the inner part of the spindle d<1> projects into the plane of the cycle frame r, thus preventing rotation of the cranks, while when withdrawn to the left, the spindle d' may be turned to lift the support d into the position shown in dotted lines, the inner part of the spindle being round, so as to turn in the lock casing. The spindle d<1> is locked in either position by a removable bolt or key f, in combination with a rotatable permutation disc e<1>.
Patent GB-660603-A (GB)
Title: Improvements in or relating to magnetic amplifiers
Inventor: BOFF ALBERT FRANK
IPC: H03F9/02
Filed: 1948-12-03
Abstract: 660,603. Magnetic amplifiers. STANDARD TELEPHONES & CABLES, Ltd. Dec. 3, 1948, No. 31353/48. Class 40 (iv). In a magnetic amplifier comprising two similar series-connected transformers 7, 8 with the D.C. windings differentially arranged, alternating voltages induced in the D.C. circuit are neutralized unless a D.C. input signal is applied, and the resultant alternating output is detected by a load resistance 13 coupled to the D.C. circuit by a transformer 14. In order to provide a substantially linear D.C. input/A.C. output characteristic with low-current sensitivity, an adjustable D.C. bias which controls the D.C. magnetization of the transformer cores in opposite respects is supplied by a battery 15 connected in series with the A.C. windings. Alternatively, separate bias windings may be used, or the ferro-magnetic transformer cores may be biassed by permanent magnets. According to the Specification the arrangement may function as a modulator, the carrier and the modulating signals being applied respectively to the A.C. and D.C. input circuits. Specification 660,605 is referred to.
Patent GB-845952-A (GB)
Title: Improvements in beryllium fluoride glasses of extremely low refraction
Inventor: VOGEL WERNER
IPC: C03C3/32
Filed: 1958-10-01
Abstract: 845,952. Optical glass compositions. JENAER GLASWERK SCHOTT & GEN VEB. Oct. 1, 1958, No. 31410/58. Class 56. A beryllium fluoride glass of extremely low refraction formed by a binary alkail-berylliumfluoride glass, preferably BeF 2 -KF glass, having a BeF 2  content of 30 to 50 mol per cent. and a KF content of 15 to 30 mol per cent. contains additionally 5 to 15 mol per cent. MgF 2  and 5 to 25 mol per cent. AlF 3 . In addition, in mol per cent., the glass may contain LaF 3  0 to 4, CeF 3  0 to 4, ThF 4  0 to 5, to reduce devitrification tendencies 0 to 15 of other alkali fluorides such as Li and Na and other alkaline earth fluorides such as Ca, Sr and Ba or 0 to 8 CdF 2  and to prevent oxide cloudiness, free hydrofluoric acid in the form of the raw material KHF 2 . Examples are given in the Specification.
Patent GB-1018469-A (GB)
Title: Energy absorbing devices
IPC: F16F1/36
Filed: 1964-08-04
Abstract: An energy-absorbing device comprises metal balls or cylindrical rollers disposed between suitable runners or races made of a vulcanized elastomeric composition, the elastomer content of which is constituted at least in part by a polybutadiene containing 1,4-cis, 1,4-trans and 1,2 nonomeric units, the 1,4-cis monomeric units being present in an amount of at least 20% by weight.  Up to 50% by weight of the polybutadiene may be replaced by one or more elastomers selected from natural rubber, butadiene-styrene rubber and butadiene-acrylonitrile rubber having a low acrylonitrile content.
Patent GB-171301-A (GB)
Title: Improvements in or relating to teat cups for milking machines
IPC: A01J5/08
Filed: 1920-11-06
Abstract: 171,301. Treloar, J. Nov. 6, 1920. Cow-milkers.-A teat-cup for pneumatic milking-machines is built up of a rigid tapering casing A, an inflation B, and an inner rigid frame tapered to wedge into the casing A, and comprising a ring C and a cup D connected together by bars F. The inflation is made circular at the ends, the intermediate portion having flat sides corresponding with the bars F. The lower end of the inflation may be turned up over the cuter casing. As the inflation stretches under wear, the upper end is drawn further up to take up the slack. The pulsator connection G leads into an annular chamber G<1> formed on the casing A.
Patent GB-1006979-A (GB)
Title: Improvements in or relating to taximetres
Inventor: WELLAND JOHN EDWIN THOMAS
IPC: G07B13/00
Filed: 1963-08-09
Abstract: 1,006,979. Taximeters. GEECEN Ltd. July 29, 1964 [Aug. 9, 1963], No. 31543/63. Heading G4T. A taximeter comprises three separate devices including a driver's device 26 for controlling 23 a time and distance drive 20 according to " For Hire ", " Hired ", and " Stopped " conditions which transmits electrical impulses to a passenger fare 31 indicator 25. Press buttons 33 may switch the taximeter mechanism in a forward or backward direction as described in Specification 956,704. A supervisory fares totaliser 27 may be attached to any one of the three devices or may be separate and may be covered by a blind. Windows 32A, 32B indicate " extras ". Lamps 34 indicate the " For Hire " etc. conditions of the taxi. The time and distance drive shaft operates a cam for raising and lowering a lever under action of a spring thus opening and closing electric contacts to cause intermittent energization of solenoids which rotate fare indicator drums through pawl and ratchet devices. Specifications 971,014 and 971,015 are referred to.