baber/WOPTO huggingface dataset:
Patent GB-585620-A (GB)
Title: Motor-cycle or like transmissions
IPC: B62M7/00
Filed: 1944-10-07
Abstract: 585,620. Transmission gear and casings. TURNER, E., and TRIUMPH ENGINEERING CO., Ltd. Oct. 7, 1944, No. 19269. [Classes 79 (ii) and 79 (iii)] In a motor-cycle or like transmission the primary chain and driving sprocket for the secondary chain are contained in an enclosure, the secondary chain passing through openings 'in such enclosure and through openings in a second enclosure containing the driven sprocket, the secondary chain between the two enclosures being enclosed in detachable tubes. The two enclosures are preferably provided with tubular stumps to which the tubes are attached, e.g., by hose clips. The first enclosure is preferably formed from one casing part integral with the crankcase and a second part integral with the change-speed mechanism; a detachable cover may be provided. The primary chain together with the driving sprocket 22a for the secondary chain are contained in an enclosure formed by a portion 11 integral with the crankcase and a portion 12 integral with the change-speed mechanism. The secondary chain passes out through tubular stumps 17, through detachable tubes 20 which may be of rubberized material, metal or plastic, and may if desired be built up in two parts. The secondary chain then passes into the enclosure for the driven sprocket, which enclosure may conveniently be formed in two halves 14, 15. The lever actuating the rear brake may be pivoted to the lower half 15 of the rear enclosure.
Patent GB-130987-A (GB)
Title: Improvements in and relating to Machines for Forming Articles of Glass.
Inventor: MILLER WILLIAM JOSEPH
IPC: C03B11/06
Filed: 1918-08-08
Abstract: 130,987. Miller, W. J. Aug. 11, 1917, [Convention date]. Moulding under pressure.-In a machine for moulding glass articles, the plunger P is centred nbove the mould and then clamped to the crosshead N by hooks 189, which are drawn upwards bv a nut 188. The hooks 189 are also moved radially by a cam ring. The plunger P passes through a spring-pressed plate O, which rests upon the top of the mould during the pressing operation. Sleeves 184, mounted on the rods 183 which carry springs 186, slide in the cross-head N.
Patent GB-953954-A (GB)
Title: Prevention of pipe in castings and ingots
IPC: B22D7/10
Filed: 1962-05-18
Abstract: 953,954. Casting processes. FOSECO INTERNATIONAL Ltd. May 18, 1962 [June 1, 1961], No. 19316/62. Heading B3F. There is applied to the surface of the poured metal in a mould a multi-layer product comprising a layer nearest the melt of a thermallyinsulating heat-destructable material, and a superimposed layer of exothermic material, the time delay of several minutes which occurs in the destruction of the heat-insulating layer and before the exothermic material contacts the metal and is fired reducing the formation of pipe. The insulating layer may be of mineral silicates, alumina, sand, foamed slag, pumice, silicon or perlite bound with e.g. sulphite lye or sodium silicate, and the exothermic layer is aluminothermic material. The slab may contain wire mesh reinforcement and comprise a third, heat-insulating upper layer.
Patent GB-574098-A (GB)
Title: Improvements in swivelling blade adjustable pitch propellers
IPC: B63H3/08
Filed: 1943-11-19
Abstract: 574,098. Variable-pitch propellers. ENGLISH ELECTRIC CO., Ltd., and SEEWER, P. W. Nov. 19, 1943, No. 19397. [Class 114] In a variable-pitch propeller, the necessary external connection for actuating and controlling the pitch-change means is made, not through the propeller shaft or any propeller bearing, but through one or more tubular members in communication with the interior of the rotating hub. As shown, a pipe 6 enters the propeller nose from the interior of the vessel where it is provided with a control valve 15, and is divided into three parts by an inner pipe 7 and longitudinal walls between the two pipes. Liquid under pressure flows and returns through the semicircular spaces so formed to and from a servomotor within the nose, and a chain 14 in the inner pipe connects the servomotor with the follow-up part of the control valve. The pipe changes to an oval section away from the nose, and is packed by V rings 11 pressed. by springs. Alternatively the pipe 6 may be slidable in the nose and connected to the servomotor and the follow-up valve mechanism or pitch indicator. The inner pipe when used may convey lubricant to the pitch-changing mechanism. The pipe may be replaced by a fixed hollow guard surrounding the hub and having ducts communicating with holes in the nose body or cap. The Provisional Specification states that, as an emergency device or an alternative to the hydraulic means, a flexible connection may operate the swivelling mechanism driven electrically or manually, and that the hydraulic means may be a reciprocating motor acting through a rack or crank gear.
Patent GB-715433-A (GB)
Title: Improvements in or relating to the production of wire nails
IPC: B21G3/20
Filed: 1952-07-31
Abstract: 715,433. Making wire nails. THEODORE, D. T. July 31, 1952 [Aug. 9, 1951], No. 19419/52. Class 83 (4). A method of making wire nails comprises advancing a nail length of wire stock, engaging and loosely holding the advanced nail length, cutting and pointing the nail length whilst holding it loosely, gripping the nail length adjacent the advanced front end thereof, heading the front end of the nail length, and releasing and ejecting the completed nail. A die set for carrying out the method has a pair of horizontal laterally acting centring slides 24, Fig. 5, which position the wire 54 whilst it is cut off into a nail length 56 and pointed by a pair of laterally acting dies 27, then a pair of slides 26 carrying jaws 67 grip the wire whilst a longitudinally-acting header 30 forms the head 57 thereon. The wire is fed through a guide bore 20 in the bottom member 16, Fig. 3, of the die set which supports the tools and is mounted on the bolster of a power press. The centring slides 24, Fig. 2, have inclined surfaces 42 which are engaged by adjustable cam surfaces 41 secured to the top member 15, mounted on the press ram, to move the slides inwardly; they are retracted by blade springs 40. The dies 27, carried by slides 22, Fig. 5, and the slides 26 are actuated by the top member through toggle linkages 34, Fig. 2. The slides 22 are preferably of square section and are reversible to position the dies 27 remote from the guide bore 20 whereby shorter nails may be produced. In another embodiment the slides 22 have recesses in both sides thereof and also a central slot to provide three alternative positions for the dies. The jaws 67 are adjustable on the slides 26 by shims and screws to allow for different sizes of wire. The header 30 is screwed into a slide 32 to allow for its adjustment and is actuated by the top member through bell-crank levers 47 and links 51, Fig. 3. During the upstroke of the press a spring-loaded ejector 58, pivoted at 59, is actuated by a spring-loaded hook 61 on the top member to discharge the finished nail through a slot 66.
Patent GB-460698-A (GB)
Title: Improvements in and relating to trunk communication cable installations provided with amplifiers
IPC: H04B3/00
Filed: 1936-07-13
Abstract: 460,698. Multiplex systems. SIEMENS & HALSKE AKT.-GES. July 13, 1936, No. 19443. Convention date, July 20, 1935. [Class 40 (iv)] A multiplex carrier system comprises a number of stations connected by cables containing a few lines, e.g. four, capable of transmitting frequencies up to one or more megacycles, concentric conductors, stranded double or spiral quads being used. The traffic requirements between the various stations are different, the frequency range transmitted over an interstation section increasing with the number of channels to be provided, and owing to increase of attenuation with frequency the number of intermediate amplifiers in a section is determined by the number of channels required. Amplifiers are also provided at the stations. A separate cable containing one or more lines is preferably used for each direction, but if the. cross-talk damping between the lines of the two directions is large, a common cable may be used. The sections preferably have uniform electrical constants such as attenuation and characteristic impedance, but if a part of the network requires only a small number of channels, a different type of cable may be used. The various carrier frequencies are obtained by multiplication from a fundamental frequency supplied to all the stations over a separate line which may be inside the inner conductor of the concentric type of line, or the fundamental may be supplied over parallel connected wires of the twisted double or spiral quad. The lower frequency range is preferably used for long distance traffic, but it may be necessary to change the carrier frequency of any particular message from section to section. Operating potentials for the intermediate amplifiers are supplied from the stations over the transmission lines or separate lines. The system may be used for the transmission of telephony, telegraphy or television. In the example described with reference to Fig. 2, the stations A ... F being approximately 75 km. apart, a single line is used for each direction and the traffic between G and A, B, F requires 35 channels extending up to 200,000 #, no intermediate amplifiers being required. The traffic between C and B, G requires 120 channels extendingup to 800,000 # and one intermediate amplifier is provided in each section, whereas traffic between C, D, E, F requires 250 channels and two intermediate amplifiers are provided in each section. If traffic requirements over a section increase, additional amplifiers are provided. In the case of a section such as B, C, the existing amplifier may be replaced by two spaced amplifiers suitable for the extended frequency range or the existing amplifier may be byepassed for the additional higher frequency channels and two further amplifiers byepassed for the original band and dealing only with such channels are inserted in the section. Or the range of the existing amplifier may be extended and other amplifiers, either of the full range or for the higher frequencies only, are inserted.
Patent GB-314348-A (GB)
Title: Sealing tools for joining overlapping band ends
IPC: B65B13/34
Filed: 1929-06-25
Abstract: 314,348. Signode Steel Strapping Co., (Assignees of Taylor, M. C.). June 25, 1928, [Convention date]. Jointing by stamping.-A tool for deforming the overlapped ends of strapping bands comprises deforming pins 50 carried by jaw members B pivoted at 10 to the bottom of a head A and connected by links C to a slide 17 on which is mounted a pinion 21 engaging a fixed rack 7 and rotated stepwise by a pawl 33 on an operating lever D mounted on the pinion axis such that oscillation of the lever depresses the slide 17 in a stepwise manner, a spring pressed dog 45 on the slide locking with the pinion and preventing upward movement of the slide due to elasticity of the deformed band. Tooth 38 of pawl 33 is held in engagement with the pinion by spring plunger 40 engaging surface 42; the pawl may be swung over by projection 37 so that plunger 40 coacts with surface 43 to engage the other pawl tooth 39 with the pinion, in which position oscillation of lever D opens the jaws. The pawl may be set in mid position free of the pinion enabling the jaws to be opened quickly by turning lever D vertical and giving an upward pull thereon. Specifications 111,919 and 185,677, [both in Class 94 (i), Packing &c.], are referred to.
Patent GB-853720-A (GB)
Title: Heat exchangers
Inventor: GAPP WILLIAM HENRY
IPC: F28D9/00
Filed: 1958-06-18
Abstract: 853,720. Making heat-exchangers. WILMOT-BREEDEN Ltd. June 9, 1959 [June 18, 1958], No. 19461/58. Class 83 (2). Heat-exchanger elements having a corrugated metal sheet a for separating the fluids between which an exchange of heat is to be effected, the sheet being secured to a plate b having apertures bl through which one of the fluids enters passages formed between the sheet and plate, are made by forming the sheet with V or U-corrugations and reversely folded tapering parts a<1> at the ends of the ribs which are to be remote from the plate, crushing the ends of the ribs, and subsequently welding or otherwise securing the crushed portions to the plate at positions beyond the apertures bl. Notches a<2> may be formed in the folded parts a<1> before the sheet is compressed, Fig. 3, and the ends of the ribs crushed. The elements are assembled in pairs with a dividing plate d between the corrugations and baffles (not shown) to direct the flow through the apertures bl.
Patent GB-147562-A (GB)
Title: Improvements in and relating to drying chambers, more particularly for the drying ofdye-, varnish-, lacquer-, and enamel-coatings
IPC: F26B9/06
Filed: 1920-07-08
Abstract: 147,562. Standard Lack Werke Ges., (formerly Standard Varnish Works Ges.). Oct. 21, 1913, [Convention date]. Air, moistening.-In a drying-chamber having two heating devices and a cooing device whereby a body of unsaturated air is caused to circulate the cooling liquid is supplied to a trough 5 open to the chamber by means of a device 10 controlled by the humidity of the air and actuating a valve 11.
Patent GB-515818-A (GB)
Title: Improvements in or relating to safety straps for children
IPC: B60R22/10
Filed: 1938-07-02
Abstract: 515,818. Safety harness for children. NEWMAN, E. A. H. July 2, 1938, No. 19693. [Class 141] A safety strap device for children for use in a motor car fitted either with a lift-out seat or with a separate-back front seat, consists of one or more anchorage straps to girth the lift-out seat or the back of the front seat, a harness to fit over the child, and two tether straps connecting the harness to the anchorage strap or straps. In the form shown, the harness comprises adjustable body and shoulder straps 9, 10, 11, the shoulder straps having rear continuations 16 which each form part of a tether strap, and are connected to the remaining parts 5 of the tether straps by cooperating spring hooks and eyes. Anchorage straps 1, 2, girth the lift-out seat, and are fitted with additional buckles 4, for the straps 5. Additional adjustable straps 17, 18, are secured to the body strap 9, and are looped under the anchorage straps. In a modification, a single anchorage strap fitted with a pair of leather straps girths the back portion of a separate-back front seat.
Patent GB-736017-A (GB)
Title: Improvements in or relating to gas turbine engines
Inventor: HOOKER STANLEY GEORGE
IPC: F01D25/18
Filed: 1952-08-05
Abstract: 736,017. Gas turbine plant. BRISTOL AEROPLANE CO., Ltd. July 24, 1953 [Aug. 5, 1952], No. 19721/52. Class 110(3). A gas turbine engine comprises in axial sequence a compressor 1, combustion equipment 5 housed between inner and outer air casings 3, 4, and a turbine 6, the compressor and the turbine rotor being mounted on a shaft 9 journalled in bearings. In the Complete drawing, labyrinth or like seals 15, 16 are disposed around the shaft between the compressor rotor 1 and the adjacent bearing 12, and between the turbine rotor 6 and the adjacent bearing 13, respectively, and partition means 17, 18 extend from the stationary members of the seals to the inner air casing 3. A second partition means 60 extends between second labyrinth seals 19, 20 arranged around the shaft between the first-mentioned seals 15, 16 and the bearings 12, 13 adjacent thereto, the partition 60 forming inner and outer chambers 25, 26 within the air casing. Third partition means 61 in sealing connection with the shaft forms within the inner chamber 25 one, or more, innermost chamber, or chambers, 31 which contains the bearings 12, 13. Liquid lubricant is supplied to the bearings from a pump 40 and conduit 41, and a lubricant scavenge pump 44 communicates by conduit 43 with the innermost chamber 31. Air under pressure is supplied to the inner chamber 25 through the duct 46, the temperature of the air being less than that of the air discharged from the compressor and the pressure being greater than that in the innermost chamber. The outer chamber 26 is vented to atmosphere through the hollow vane 47. In the Provisional drawing, the shaft is mounted in three bearings 12, 13, 14. The first partition means are 17, 18 as before, but the second partition means extending between the labyrinth seals 19, 20 comprises the part 21, 22, 23, 24 and forms inner and outer chambers 25, 26. In this embodiment there are two innermost chambers 31, 36, chamber 31 being formed by the partition 32, 33, 34 and housing the bearings 12, 13, and chamber 36 being formed by a partition 37 and housing the bearing 14. Oil supply and return means and air supply to the inner chamber 25 are similar to those shown in the Complete drawing. Fourth partition means 52 in the Complete drawing, and 52 and 50 in the Provisional drawing, which extend from the second labyrinth seals 20, 19 or from the second partition means 60 or 21, 22, 23, 24 respectively, constitute with the first partition means 18 or 18, 17 respectively, chambers which are separately vented thorugh passages 53 or 53, 51 respectively. Fifth partition means 55 extend between the inner air casing 3 and the labyrinth seal 16 adjacent the turbine rotor, and the chamber formed between the partitions 18, 55 communicates with the air duct through openings 54, the air discharging through openings 56 across the upstream face of the rotor.
Patent GB-502593-A (GB)
Title: Improvements in or relating to ultra-high-frequency resonant circuit arrangements
IPC: H03B5/18
Filed: 1938-07-04
Abstract: 502,593. Electric resonators; valve circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. July 4, 1938, No. 19782. Convention date, July 3, 1937. [Classes 40 (iii) and 40 (v)] An electric resonator, suitable for either receiving or transmitting valve circuits, comprises two flat discs spaced apart at such a distance that the natural wavelength increases as the distance between the discs, and consequently the inductance, increases, though the capacity diminishes. A rod or tube S, Fig. 1, carries a pair of flat discs F<1>, F<11>, and a number of valves V can be connected round the edge of the discs so that they oscillate in unison. Alternatively, instead of the rod S, central bosses may be provided on the inner sides of the discs and separated by a thin disc of dielectric, Fig. 2 (not shown) ; this enables the blocking condenser C to be omitted and shortens the current-carrying leads. For the sake of symmetry, the filaments may be supplied through metallic discs M<1>, M<11>, which are separated by thin dielectric from one another and from the bosses R<1>, R" and the grid and anode battery connections are made at GB and AB respectively, at the centres of the discs F', F<11>. Inequality of the electrode capacities of the valves may be compensated by adjusting the spacing of the discs F<1>, F", M<1>, M". In a further modification, Fig. 4 (not shown), blocking condensers may be embodied in a resonator in which the bosses R', R<11> merge into a continuous central pillar; the grids of the valves surrounding the resonator are connected symmetrically to the peripheries of the discs F', F<11> alternately, and the anodes are connected alternately to two metallic discs which are like the discs M<1>, M<11> but are upon tho outer surfaces of the discs F', F<11>, from which they are insulated by thin dielectric. The total grid capacities in the common grid and anode circuits are made equal. Coupling aerial to oscillator. The aerial may be connected directly to an axial extension of the central rod or tube S of the resonator, Fig. 1, or Lecher wires may terminate on the ends of the rod or tube, Fig. 5a (not shown), or be electrostatically coupled to the discs F<1>, F<11>, Fig. 5b (not shown).
Patent GB-348940-A (GB)
IPC: G01F23/296
Filed: 1930-06-30
Abstract: 348,940. Feedwater regulators for steam boilers. I. G. FARBENINDUSTRIE AKT.-GES, Frankfort-on- Main, Germany. June 30, 1930, No. 19876. Convention date, June 28, 1929. [Class 123 (ii).] The water level in a boiler is regulated by utilizing oscillations of the boiler, or an auxiliary container, which vary in frequency according to the level. In Fig. 1 a boiler 1 is connected elastically by tubes 2, 3 to an auxiliary container 4. The oscillations of the container 4, either produced by impulse or by the vibrations which usually occur in a boiler house, are indicated by a tongue frequency meter 5 and serve as a measure of the liquid level. The boiler 1 may be elastically supported, and the container 4 omitted. The oscillations of the container may be produced by impulses or blows either by hand or mechanically, or by an oscillation exciter which is adjusted to synchronize with the natural oscillations, e.g. by a tuned electric circuit. The oscillation exciter may have one or more constant frequencies, in which case the amplitudes of the forced oscillations developed vary according to the liquid level. The indications of the tongue frequency meter 5 may be transmitted to a distance by light rays, or by electrical means on the principle of the telephone. In another modification, Fig. 2, in which the liquid level is required to be kept at a level indicated by the tongue 7 of a frequency meter, selenium cells 9, 10 are exposed to light rays which are directed by the frequency meter 5. At least two adjacent tongues oscillate at the same time, the maximum amplitude passing from the tongue 7 to the tongues 6 or 8 according to the level variations. Light is directed to the cell 9 or 10 according to whether tongue 6 or tongue 8 possesses the greater amplitude, and each change in the balance of the Wheatstone bridge actuates a relay 12 which may control a feed pump. The change in the number of revolutions of the pump may act on a frequency meter 13, which may act on the cells 9, 10 in a direction to restore the balance. In another method for producing electrical oscillations from the oscillations of the container, the latter may influence electrical capacities or inductances in a circuit, and thermionic valves may be employed to actuate regulating apparatus at a distance.
Patent GB-629408-A (GB)
Title: Improvements in or relating to methods of preparing an artificial, thermosetting resin and the improved resin resulting therefrom
IPC: C08G16/02
Filed: 1946-07-03
Abstract: Thermosetting synthetic resins are prepared by heating 1 to 1.8 mols. of furfuryl alcohol or partially resinified furfuryl alcohol, 1 mol. of an amino triazine and 2-6 mols. of an aldehyde, with or without a catalyst, e.g. maleic anhydride, phosphoric acid, oxalic acid or aniline hydrochloride.  The amino triazine may be melamine, ammeline, ammelide, 2-amino-1,3,5-triazine, formoguanamine and its substitution products, 2 - phenyl - 4 - amino - 6 - hydroxyl-1,3,5 - triazine, 2 - chloro - 4,6 - diamino - 1,3,5-triazine, 2 - methyl - 4 - amino - 6 - hydroxyl-1,3,5 - triazine, 2 - methyl - 2,4 - diamino-1,3,5 - triazine, 2,4,6 - triethyltriamino - 1,3,5-triazine, 2,4,6 - triphenyltriamino - 1,3,5-triazine and the aldehyde may be formaldehyde, acetaldehyde, furfural, benzaldehyde.  Dimethylol urea may be added as a modifier and the condensation products may be reacted with aldehydes or ketones. In the examples: furfuryl alcohol or a resin formed by heating it alone or with acid catalysts is heated with (1-5) melamine and formaldehyde.  The products may be used alone or with other resins and, if desired with fillers such as wood flour or asbestos for coating, impregnating, laminating, e.g. of wood or paper sheets, or moulding.  They are soluble in solvents such as acetone-water, dioxane - water, and ethylene glycol monomethyl ether.  In example 6 dimethylol urea is also included in the reaction mixture.  Specifications 486,519 and 486,577 are referred to.