baber/WOPTO huggingface dataset:
Patent GB-296622-A (GB)
Title: Improvements in machines for applying transfer stamps to fabrics
IPC: D06H1/02
Filed: 1928-01-24
Abstract: 296,622. Haddan, R., (Parks & Woolson Machine Co.). Jan. 24, 1928. Feeding webs.-In a machine for applying transfer stamps to fabrics, the transfer is effected by twd flat presser members, rotating about parallel axes and caused to maintain contact with the fabric throughout a substantial part of their rotation. Improved means for feeding the transfer strip is described. The fabric to be marked passes over a continuously rotating measuring-drum 1, Figs. 1 and 7, provided with a flat platen 4 with which co-operates a flat presser 56 carried by an arm 51 on a continuously rotating shaft 50. The transfer-strip supply reel 5 and its feeding-mechanism are carried by and rotate with the drum 1. The strip passes from the reel over a roller 28<a>, Fig. 3, to a pair of feedrollers 18, 19 and from thence between side guides 44, Fig. 1, over the platen 4, and finally between a pair of drawing-rollers 41, 42. The feed-roller 18 is driven by a chain 17<a> from a sprocket wheel 12 connected by a clutch 13a to a shaft 14 geared to a shaft carrying a pinion 8 meshing with a fixed worm 7, Fig. 2. This worm has a straight portion 7<b> whereby the wheel 8, as it is carried by the drum 1 round the worm, receives an intermittent rotation, the period of rest occurring while the platen and presser are in contact. The feed roller 18 is adjustable in diameter to vary the length of feed and comprises a pair of end plates provided with spiral grooves 18<c>, Fig. 4<a>, to receive a thin metal casing 18d rotatable in the grooves. A rubber sleeve 18<e> surrounds the casing. To allow of ready removal of the roller 18, one end of its spindle engages a squared socket in a short shaft carrying the sprocket wheel of the chain 17a, and the other end is carried in a pivoted arm movable laterally against the action of a spring. The strip reel 5 is secured to its spindle 27 between a pair of laterally adjustable arms 31 and the spindle is connected through a friction clutch with a chain drive 23a from the feed-roller 18. The rotation of the reel is, however, controlled by a ratchet wheel 26 fixed to the spindle 27 and engaged by a pawl 30 connected by a link 28e to an arm 28 carrying the roller 28a and controlled by a spring 28<d>. As the web is fed by the roller 18 the arm 28 is drawn forward until the pawl 30 is withdrawn from the ratchet wheel 26, whereupon the drive by the chain 23a is permitted and, in conjunction with the return movement of the arm 28, draws a further supply of strip from the reel. The draw-ing-rollers 41, 42 are driven by the chain 17<a> through a friction clutch and have corrugated and grooved peripheries to prevent accumulation of gum from the strip. They are also heated internally to cause the residue of gum to run off through the grooves. The clutch 13<a> connecting the sprocket wheel 12 with its shaft allows the strip to be adjusted initially so that the transfer impressions are brought to the correct position on the platen 4.
Patent GB-1244901-A (GB)
Title: An electrostatic recording apparatus
Inventor: MIZUGUCHI MAMORU
IPC: G03G21/00
Filed: 1969-01-15
Abstract: 1,244,901. Electro-photographic apparatus. TOKYO SHIBAURA ELECTRIC CO., Ltd. Jan. 15, 1969 [Jan.18, 1968; Feb.13, 1968; March 25, 1968], No.2399/69. Heading G2H. Residual toner present on a recording surface 10b after transfer of a developed image is removed by a wiper 25 in the form of a liquid absorbing soft body comprising internal pores or recesses sweeping the recording surface in a direction opposite to the movement of the recording surface, the apparatus further comprising a nozzle 33 for supplying a liquid cleaner to the wiper, a vessel 26 for storing the liquid cleaner discharged from the nozzle and in which an amount of the toner deposited on the wiper is dispersed, a pump 30 for circulating the liquid cleaner to supply it to the nozzle, and a filter 37 for removing the toner dispersed in the liquid cleaner. The wiper is a rotary brush 23 having a number of short hairy elements on its circumference as shown, alternatively the wiper is a liquid absorbing beltlike soft material extending over a plurality of rollers Fig. 4 (not shown), or liquid absorbing soft material disposed on the circumference of a rotatable shaft. The soft liquid absorbing material has pressing means (43) Fig. 3, and (47) Fig. 4, for squeezing the material. The filter consists of porous dielectric material 37 sandwiched between electrodes 35, 36. The toner is applied to the recording medium as either a powder or liquid developer.
Patent GB-1332633-A (GB)
Title: Cutting tool
IPC: B23B27/16
Filed: 1972-01-18
Abstract: 1332633 Cutting tools K HERTEL 18 Jan 1972 [19 Jan 1971] 2424/72 Heading B3B A cutting tool comprises a mounting body 1, a head portion 2 releasably connected thereto and a cutter insert 4 securable in the head portion, engagement between the head and the mounting being established by co-operating surfaces 7, 8 and 12 and 15 which extend across the-whole width of the mounting body and are inclined downwardly, positive engagement being effected by a projection 10 engaging in a recess 11 on the head and mounting respectively. A keying means is provided between the inclined surfaces 7, 8 to prevent lateral movement between the head and mounting. The cutter insert 4 is located in a cradle member 3 retained in the head by a screw, the insert being clamped by a wedging member 6 secured by a screw 5. The upper surface of the member 5 serves as a chip breaker. The head 2 is secured to the mounting 1 by a screw 18.
Patent GB-425191-A (GB)
Title: Improvements in doors for ovens
IPC: F24C15/04
Filed: 1934-01-24
Abstract: 425,191. Inspection windows for stoves. CANNON IRON FOUNDRIES, Ltd., CLAYTON, R. T., and BENTON, W. E., Deepfields, Bilston, Staffordshire. Jan. 24, 1934, No. 2425. [Class 28 (i)] The door of an oven is formed with a transparent inspection panel b, retained in the main frame a by a backing frame c, and the panel is associated withahinged opaque cover e having an inner light reflecting surface which assists in illuminating the oven when the cover is swung down. The hinge is formed by a crossrod or trunnions f which are'received in recesses g in the inside edges of the lower parts of the frame a, and are retained therein by plates h. The cover e has inturned edges j which stiffen it and aid in its retention in the closed position, and if desired, a ball catch for example, in the top part of the frame, may be arranged to engage a hole in the upper flange j. A chain m limits the movement of the cover. The panel b may comprise double panes with an air space between them.
Patent GB-723332-A (GB)
Title: Improvements in or relating to methods of gasifying solid fuels
IPC: C10J3/46
Filed: 1952-01-29
Abstract: A process for producing hydrogen by reducing steam with reduced iron oxide in which the oxide is maintained as a fluidized bed in both the hydrogen-producing and iron oxide-reducing zones, is combined with a gas generation stage in which particulate coal &c. is fluidized by air or oxygen and steam or carbon dioxide, and the gases generated are used to reduce the iron oxide after which the material is degasified by nitrogen &c. to remove absorbed contaminants before returning to the hydrogen-producing zone. Iron oxide is maintained as a fluidized bed at about 500-800 DEG C. in a vessel 129 by gases from a producer 2 to which a little air may be added preferably in the upper of several stages, to supply the heat required.  The reduced powder overflows through a pipe 136 into a degasifying chamber 138 which it descends in counterflow to an inert gas, preferably nitrogen, from a duct 141 reheated in an exchanger 149 by indirect contact with the effluent from the chamber.  The described material is taken up to a separator 144 and supply chamber 145 by inert gas supplied to a distribution box 170 the hot gas returning to the blower <PICT:0723332/III/1> 142.  The material is fluidized in a water-jacketed vessel 157 by superheated steam from a pipe 160, hydrogen and steam passing through a solids separator 162 and heat exchanger 165 to a water-condenser.
Patent GB-123147-A (GB)
Title: Improved Means for Connecting the Piston to the Piston Rod of a Motive Fluid Engine.
IPC: F16J1/12
Filed: 1918-02-11
Abstract: 123,147. Galloways, Ltd., and Pilling, H. Feb. 11, 1918. Pistons, attaching to rod; cooling.-In order to permit axial adjustment of the piston of a gas, oil, or steam-engine, it is secured to its rod by two nuts C, D, which are preferably countersunk and stepped at c, c', d, as shown. In the case of a water-cooled piston, elastic packing E' is compressed by the nuts, metal rings E being interposed between the packing and the nuts.
Patent GB-877684-A (GB)
Title: Production of dicyanogen
IPC: C01C3/00
Filed: 1960-01-22
Abstract: Dicyanogen is prepared by passing HCN at elevated temperature over a catalyst comprising one or more of the platinum metals or metals of Group IV(A) of the Periodic System and/or one or more of the oxides of the metals of Group IV(A), V(A), and VI(A) of the Periodic System. The catalyst metals singly or as mixtures or alloys of two or more metals which may also contain small quantities of other metals, e.g. those of Group I(B) may be used as such, e.g. in the form of gauzes or other structures of large surface area, or deposited on suitable supports, e.g. chromium oxide, charcoal, kieselgulhr or the specified catalytic oxides. The reaction chamber may also be coated with the catalyst metal or catalyst metal oxide, e.g. ZrO.  Catalytic mixtures of metal and metal oxide may be produced by the partial reduction of metal oxides.  Preparation of the supported catalysts may be effected by depositing a compound of the catalyst metal or catalyst metal oxide desired, e.g. a nitrate carbonate or ammonium salt, on a suitable support, e.g. by immersing the support in a solution of the compound, and subsequently either decomposing the absorbed compound by heat to form the oxide or reducing to form the metal. Catalysts formed from the platinum metals and metals of Group VI(A) are preferred.  Specific catalyst metals: Mo, W, Pd and Pt and specific catalyst metal oxides Ti, Zr, Th, U.  Ta, Cr, Mo, W, and U are referred to.  The reaction may be carried out at 300-800 DEG C., preferably 500-700 DEG C.  The HCN feed may be diluted with an inert gas, e.g. N2 in a volume ratio 1:1.  The dicyanogen may be recovered from the reaction mixture by fractional condensation, e.g. by precooling the mixture leaving the reactor and then further cooling in a volume to between the b.pt. of HCN and dicyanogen.  HCN is removed from the gaseous dicyanogen by washing with water and the dicyanogen finally isolated by cooling to below -21.4 DEG C.
Patent GB-1499921-A (GB)
Title: Recording and/or reproducing system
IPC: G11B20/02
Filed: 1975-01-20
Abstract: 1499921 Colour television recording SONY CORP 20 Jan 1975 [21 Jan 1974] 2476/75 Heading H4F In an arrangement for recording colour television signals on adjacent tracks in H-alignment on a magnetic medium, involving the steps of converting the relatively high-frequency chrominance modulated sub-carrier signals to a relatively low frequency and then inverting the polarity of the chrominance signals during alternate line periods in alternate field periods, only the polarity of the sub-carrier is inverted by so inverting the polarity of a locally generated carrier wave before it is employed to frequency convert the chrominance modulated sub-carrier. This arrangement is stated to avoid difficulties inherent in prior art arrangements in which the polarity of the chrominance modulated frequency converted sub-carrier is periodically inverted due to the fact that the D.C. axes of the two polarities may not be the same so that when alternate line intervals are combined (during play-back of the recorded signals) the D.C. offset between successive lines produces undesired signals. Such prior art arrangement is described with reference to Figs. 3 and 5 (neither shown) together with explanatory waveforms (not shown). Fig. 9, shows an embodiment of the present invention in which an oscillator 96 having a converting frequency fc=fs+fa (where fs=the chrominance sub-carrier frequency and fa=the frequency to which the sub-carrier is to be converted) supplies a differential amplifer 97 the oppositely poled outputs of which are supplied via switch 98 and H.P.F.99 to a frequency converter 94 which also receives the chrominance modulated sub-carrier fs from a comb filter 29 supplied with the composite colour signal at input 22. Switch 98 is operated by the output of AND gate 41 such that during alternate (vertical) field periods the switch arm remains on one of its contacts whilst during the intervening field periods the arm changes over between the two contacts at the horizontal rate. Any D.C. component of the switched waveform is eliminated by the high-pass filter 99 and no D.C. offset is produced by converter 94 and so the undesired operation of the prior art arrangement is prevented. The converted chrominance carrier fa is then supplied via L.P.F. 34 to mixing circuit 28 in which it is combined with the luminance signal derived via L.P.F. 23 and carrier frequency modulator 26 and supplied via switch 93 to the recording heads 19, 21. During play-back the switches 91, 92, 93 are changed-over from the positions shown to the position P in which the luminance signals, selected by H.P.F. 72, are supplied to mixing circuit 78 via demodulator 76 and the chrominance signals, selected by L.P.F. 73, are reconverted to the original frequency fs with the polarity reversals removed by the fc output of H.P.F.99 and supplied via a comb filter 81, which separates out cross-talk, to the mixing circuit 78 the output of which comprises the original composite input signal at terminal 22.
Patent GB-324520-A (GB)
Title: Improvements relating to sound records for gramophones and like sound-reproducing devices
Filed: 1929-01-24
Abstract: 324,520. Bidwell, L. S., and Aviation & Agencies, Ltd. Jan. 24, 1929. Compound sheet materials.-Sound-records are made by coating one side of a. base A of paper, card-board, or the like with celluloid or other cellulose derivative C, applying such coated sheets to a shellac-impregnated fabric reinforcement B, and uniting the layers by heat and pressure, after which the sound-grooves are impressed in the outer! layers in the usual way. Alternatively, to produce a single-sided record, one of the celluloid or like layers, or one of the coated paper or like sheets, may be omitted. Specification 201,390, [Class 146 (ii), Stationery &c.], is referred to.
Patent GB-469557-A (GB)
Title: Improvements in or relating to composite aircraft
IPC: B64D5/00
Filed: 1936-01-27
Abstract: 469,557. Aircraft carrying other aircraft. MAYO, R. H., SHORT BROS. (ROCHESTER & BEDFORD), Ltd., and CLARKE, A. W. S. Jan. 27, 1936, No. 2488. Addition to 402,997. [Class 4] A composite aircraft of the kind described in the parent Specification includes locking-means comprising a hook pivoted to the lower component, and a latch pivoted to the upper component and arranged to be engaged by the hook so that the hook exercises a progressively increasing turning moment on the latch as the separating force between the components increases. A safety device normally held by a spring automatically releases the latch when the separating force has reached a predetermined limit. As shown, the upper aircraft 20 rests on adjustable spigots 25 carried by the lower aircraft 21. Two centre spigots are carried by frame members 27, 28. Further frame members 29, 30, 32 are connected to a member 31 which carries a member 56 having guides for links 5 which carry a member 52 having a certain degree of freedom in the member 56. The links 51 together with hooks 41 are pivoted by means of a bolt 43 to a beam 48 which is connected by straps 49, 50 to the members 29, 30. A second beam 58 is connected to the beam 48 by a spring-steel strip 77 and is guided by pins 60, Fig. 7, disposed between the beam 58 and abutments 59 on the beam 48. The hooks 41 are provided with rollers which are engaged by a latch 39 pivoted to members 71 which are adjustable, to vary the force on the latch, by means of a differential nut device. The other end of the latch 39 is provided with rollers which are engaged by two levers 47 operable against the action of springs 80 by the pilots of the aircraft components and by a lever 46, the load on which may be adjusted by a spring 82 and which automatically frees the latch 39 when the force of separation between the aircraft components reaches a predetermined value and after the pilot's controls have been released. During assembly, the components are placed one above the other and the latch engaged with the hook, by means of the differential nut device ; the load on the hook is increased until flexure of the beam 48 relative to the beam 58 causes closure of an electric circuit through a contact 66 and a spring loaded contact 68 to light a lamp 174. During flight further flexure of the beam 48 continues until an electric circuit is closed through a contact 67, a spring loaded contact 69 and a lamp 75 to indicate that the load on the latch is sufficient for safe release of the locking-mechanism. The play of the member 52 in the member 56 is such as to permit flexure of the beam to close the contacts but does not permit of over straining. A further lever actuated by a barometric capsule as described in Specification 445,829 may engage the latch 39.
Patent GB-262295-A (GB)
Title: Improved construction of electrically operated ladle cranes for steel foundries and the like
IPC: B22D41/12
Filed: 1926-01-28
Abstract: 262,295. Ateliers de Constructions Electriques de Charleroi. Dec. 28, 1925, [Convention date]. Addition to 249,815. Foundry ladles.-The foundry ladle manipulating appliance described in the parent Specification is provided with ladle-tilting means comprising a gear wheel a attached to the ladle, pinions b, d on a shaft c mounted on the jib 3, a gear wheel e and worm wheel f loosely mounted on the axle 5 of the jib 3, and a worm g on a squared shaft slidable through a member in the driver's cab m. The shaft j is driven from a motor n in the cab m through a further reduction gear k.
Patent GB-1350186-A (GB)
Title: Control means for an electrical inductance means
IPC: D06F58/38
Filed: 1972-01-19
Abstract: 1350186 Control of electrical inductances MALLORY TIMERS Ltd 19 Jan 1972 [10 Feb 1971] 2589/72 Heading H2J [Also in Division F4] An electrical capacitive control means is energized to cause the voltage of an inductance means to be out of phase with the voltage of the control means to prevent energization of said inductance means. The operation of the motor 16 of a tumbler dryer is controlled by a cam programmer 26 rotated by a timer motor 24 of the synchronous type which is prevented from being operated while the electrical resistance (measured between sensors S1 and S2) of the clothes in the dryer remains small, by capacitive control means 34. During positive half-cycles, capacitors Cl and C2 of the control means 34 are charged, and diode D2 prevents current flow through the motor 24; during negative halfcycles C1 and C2 are discharged and recharged with opposite polarity and the voltage across the motor 24 is zero since the voltage across the motor 24 and capacitors C2 and C1 are out of phase. When the resistance of the clothes becomes large (e.g. > 80,000 ohm), capacitor C4 will charge during positive half-cycles via C1, 24, R2 and D1 to a voltage large enough to trigger a neon lamp N1 to conduct through R3 and R4 so causing the silicon controlled rectifier 40 to conduct for part of the positive half-cycle. SCR 40 conducts during positive and diode D2 conducts during negative half-cycles, so that 300 degrees of voltage appear across the motor 24 to operate it.
Patent GB-546097-A (GB)
Title: Improvements in stair rods
IPC: A47G27/06
Filed: 1942-02-06
Abstract: 546,097. Stair rods. GIBBONS, G. S. Feb. 6, 1942. No. 2607/41. [Class 52 (v)] In a stair rod of solid cross-section, made of wood or like workable material, or of thermoplastic material, and having two flat sides at right angles, means such as T-shaped slits b are embodied in the rod, without the provision of additional parts, for engaging screws c or other holding elements secured to the stairs. The slot may extend the full length of the rod. To facilitate the fixing of the screws c in their correct positions in the stairs, the rod is provided with small holes a<1>, a<2> through which a bradawl may be inserted. In a modification, instead of a continuous slot, short undercut slots of key-hole shape may be provided one near each end of the rod. To avoid accidental endwise displacement of the rod recesses or indentations may be formed in the sides of the slots to engage the heads of the screws.
Patent GB-575061-A (GB)
Title: Improvements in or relating to the manufacture of alkaline earth metal alloys
IPC: C22C28/00
Filed: 1943-02-17
Abstract: 575,061. Alloys. BRITTON, J. W., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Feb. 17, 1943, No. 2618. [Class 82 (i)] Process for producing an alloy rich in barium or strontium, i.e. one in which substantially all of the metal alloyed with the barium or strontium is present as an intermetallic compound. The process consists in reacting an alkali metal with an anhydrous melt comprising a minor proportion, e.g. 5-20 per cent, of the fluoride of an alkali metal or an alkaline earth metal, and an amount of barium chloride or strontium chloride at least 2.5 times that which is equivalent to the alkali metal with which it is reacted. The reaction is effected by heating the said reactants in the presence of an appropriate amount of the alloying metal, e.g. aluminium, antimony, bismuth, cadmium, copper, magnesium, or tin, at a temperature below the boiling point of the alkali metal and in the absence of an atmosphere which reacts with the alkaline metal. The process is assisted by including in-the anhydrous melt a minor proportion, e.g. 5-20 per cent, of an alkali metal chloride. Any residual alkali metal may be removed from the alloy by distillation in vacuo. Examples of alloys resulting from the reaction are :-(1) strontium 30.2 per cent, sodium 1.4 per cent, chlorine 0.4 per cent, magnesium 68.0 per cent ; (2) barium 37.8 per cent, sodium 1.4 per cent, chlorine 0.6 per cent, magnesium 60.2 per cent. Specification 574,092 is referred to in the Provisional Specification.
Patent GB-212700-A (GB)
Title: Improvements relating to electric current distributing systems
IPC: H02M1/14
Filed: 1923-01-29
Abstract: 212,700. Marchant, E. W. Jan. 29, 1923. Converting pulsating currents into steady continuous currents.- In order to obtain a steady current from a mercury-vapour or other rectifier a, a limiting inductance b is inserted in one of the direct-current distributing mains c, and one or more shunt circuits, each consisting of an inductance in series with a capacity, are placed across the mains. The shunt circuits are tuned to the frequency of the undulations to be eliminated from the direct-current circuit. Specification 148,129 is referred to.