baber/WOPTO huggingface dataset:
Patent GB-436612-A (GB)
Title: Improvements in self cleaning harrows
IPC: A01B19/06
Filed: 1934-08-09
Abstract: 436,612. Implements and machines for working land. GIBBS, J. H., 4, Oxen Road, Crewkerne, Somerset. Aug. 9, 1934, No. 23047. [Class 6 (i)] A harrow comprises a wheeled frame, independent parallel tine-bars mounted transversely of the direction of travel, and means driven from the wheel axle for reciprocating the tine-bars vertically, the arrangement being such that the rear tines do not leave the ground until they reach the point at which the front tines entered it. The rear tine-bar 8 is carried by L-shaped bars 6, 7 pivoted at their front ends on brackets 4, 5, and the front tine-bar 13 by L-shaped bars 11, 12 pivoted on the frame 1. A pivoted double bar 15 is connected to the bar 13 by a lifting- rod. The bars 6, 7, 15 carry cams 6<a>, 7a, 16 to be engaged by rollers 33, 35 on a shaft 30 driven by gearing from the axle of the main wheels 3, the roller 35 being smaller than the rollers 33. The bars 6, 7, 11, 12 are pressed downwards by springs 27 surrounding rods connected to pins adjustably mounted in a shaft 22 which may be rocked by a handlever 24 to adjust the spring pressure. Weights may be provided on the L-shaped bars or on the tine-bars. As the tines rise they are cleared by a perforated plate or grating 38 adjustably supported by arms 36, 37. The tine-bars may be made in sections to accommodate uneven ground. According to the Provisional Specification levers may be provided for raising the tine-bars and putting them out of action for travelling purposes.
Patent GB-407384-A (GB)
Title: Improvements relating to change speed gears
IPC: F16H61/02
Filed: 1932-08-18
Abstract: 407,384. Controlling variable speed gearing. GESSNER, E. A., 4, Wettinerstrasse, Erzgebirge Aue, Germany. Aug. 18, 1932, No. 23226. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 19, 1932.] [Class 80 (ii).] In epicyclic variable-speed gearing, reaction drums are held against rotation to bring driving ratios into effect by positive detents, which, by allowing drums to freewheel in one direction, allow the driven shaft of the whole device to overrun, and a vehicle to coast. In Figs. 21 and 22 the invention is shown applied to the multiple-train bevel toothed gearing of Fig. 5 of Specification 370,090. Reaction drums 81, 82, 83, which are to be held selectively against rotation, are provided with rings of peripheral ratchet teeth 95. Each ring of ratchet teeth is adapted to be engaged by its own spring pawl or plunger 96 which slides radially in a fixed casing 57. The pawls 96 are held out of action against their springs 98 by an axially slidable cam bar 100. When the bar 100 is moved as by a pedal 101 so as to bring a cam recess 103 under a bowl 99 carried by a selected pawl, that pawl 96 is pressed by its spring into engagement with the ratchet teeth to hold the selected drum against rotation in one direction. The pawl for reversed driving is directed oppositely to the pawls for forward drives. Additional means may be provided for holding the drums positively against rotation in both directions. Each drum 81, 82, 83 has a peripheral ring of castellated teeth 89 adapted to be engaged for this purpose by a similarlytoothed dog member 92 sliding in a groove 93 in the casing 57 and operable from a pull rod 94. Band brakes may be provided in addition for slowing down the drums prior to positive stoppage. In Fig. 1 is shown an arrangement in which two sliding cam bars 147, 148 are adapted to operate selectively spring pawls 141 which engage ratchet teeth 140 on drums 130 &c. associated with stepped spur planetary gears 125 &c. In Fig. 13 is shown the application of the invention to the planetary roller variable-speed gear of Fig. 1 of the Specification referred to. A friction disc 19 is the reaction member and this has to be held against rotation in one direction or the other according to the radial position of the rollers 10. There are therefore two oppositely-acting pawls 41, 42 which are operated selectively by a manual control bar 45. A brake band is shown at 44. At 38 is shown a gear wheel rigid with the reaction drum adapted to be driven from an additional source of power to increase the range of speeds of the ultimately-driven shaft 15.
Patent GB-462518-A (GB)
Title: Improvements in or relating to hydraulic pressed casting machines
IPC: B22D17/10
Filed: 1936-08-25
Abstract: 462,518. Casting-machines. POLAK, J. Aug. 25, 1936, No. 23336. Convention date, Dec. 11, 1935. [Class 83 (i)] A pressure-casting machine has a unitary frame comprising a foot part F, with an opening for the castings to fall through, and a loop part L extending over the part F and carrying in one side S the stationary mould part 5, press chamber 6, and hydraulic device 7, and in the other side T hydraulic means 8 for moving the mould part 9.
Patent GB-532041-A (GB)
Title: Tubular plastic materials wrappings
IPC: B65D75/34
Filed: 1939-08-14
Abstract: 532,041. Tubular wrappings of cellulose material. NICOLLE, C. Aug. 14. 1939, No. 23390. [Class 18] Two sheets 2, 2a of cellulosic material with complementary recesses 1, 1a formed by stamping or moulding are superposed with the recesses in register to form one or more tubes, caps or plugs also formed by recessing sheets being placed over or in the ends and the tubes being separable by tearing along lines of perforations. The sheets are united by heating and pressing together or by moistening with a solvent and pressing together. Packings, wrappings or containers may be thus formed. A single container in the form of a bottle may be made in this way.
Patent GB-637747-A (GB)
Title: Improvements in deflation indicators for vehicle tyres
IPC: B60C23/08
Filed: 1947-08-26
Abstract: 637,747. Tyre deflation indicators. HARRIES, S. W. Aug. 26, 1947, No. 23567. [Class 144 (i)] A tyre deflation indicator comprises a housing, fixed relatively to the wheel axle and containing a pivotally - mounted drum-like body having a conducting element normally out of bridging contact with spring - urged contact members forming part of an electrical alarm circuit, and means to cause the body to pivot on deflation and thereby cause the conducting element to bridge the contact members to close the electric alarm circuit. Figs. 3 and 4 show a housing 7 containing a pivotally mounted drum 19, the curved surface of which carries a conducting arc 26 normally held out of contact with spring-pressed contact members 24 by a spiral spring 21. A feeler arm 8 or 10 detachably secured to the drum 19 projects through a slot in the housing and extends to a position as shown in Figs. 1 or 2 such that on deflation of a tyre 1 its free end is moved laterally by the bulge of the tyre wall (Fig. 1) or rearwardly by the ground (Fig. 2) to rotate the drum 19 and close an electric alarm circuit between the contact members 24. The housing 7 is bolted through a slot 14 in a bracket 6 secured to a part which is fixed relatively to a wheel axle, such as a brake drum rear plate 5 or a track rod arm. A pin 13 engaging in slots 15 or 16 in the bracket 6 locates the housing in the alternative positions shown in Figs. 1 or 2. Feeler arms may be provided at each wheel of a vehicle and interlinked to operate a single conducting element mounted centrally on the front axle, the feeler arms being spring urged into the normal position. The alarm circuit may be acoustic or visual and may include means to indicate which tyre is deflated.
Patent GB-1159065-A (GB)
Title: Improvements in and relating to Electric Motor Driven Actuators.
Inventor: KORTHAUS HELMUT
IPC: H02K7/06
Filed: 1967-05-22
Abstract: 1,159,065. Power storing apparatus; valves. H. KORTHAUS, and R. WILKE. 22 May, 1967 [25 May, 1966], No. 23592/67. Headings F2S and F2V. [Also in Division H2] An electric motor has the rotary motion of its rotor converted into linear motion of an output shaft by means of a self-locking nut and spindle arrangement and the output shaft drives a load through a device which operates on power failure to move the load into a safety position. As shown, the device comprises an outer easing 3a enclosing a cylindrical casing 16 which under normal conditions is connected to casing 3a by armature 21 of an electromagnetically operated locking device. A compressed spring 11 is enclosed within easing 16 and bears on plate 14 attached to the end of output shaft 2. Casing 16 is closed by eye bolt 4 which is connected to the load. When a power failure occurs coil 22 of the locking device is de-energized and armature 21 is disengaged from cams 19 by spring 24 to release casing 16 which moves to the left under the action of spring 11 thereby moving the load to the initial or safe position, Fig. 3 (not shown). The device may be reset by moving the motor to its initial position when armature 21 will again lock between cams 19 on casing 16. In a modification the spring may be placed between plate 14 and bolt 4 to provide a fail safe movement in the opposite direction, Figs. 4-6 (not shown). In an alternative construction, Fig. 9 (not shown), the load is driven by a lever which is connected to the linearly moving output shaft of the motor by a prestressed torsion spring and an electromagnetic coupling. It is stated that the spring may be replaced by an explosive charge which is fired by movement of armature 21, or pressurized gases or liquids can be used. A longer travel can be provided by use of telescopic cylinders and the closing force may be graduated by using a multiple spring arrangement. The device is used as a trip arrangement in a valve actuator or in nuclear reactors.
Patent GB-1463843-A (GB)
Title: Method of valve production
IPC: B23K35/30
Filed: 1974-05-28
Abstract: 1463843 Welding by fusion STOODY CO 28 May 1974 [2 July 1973] 23619/74 Heading B3R [Also in Division F1] In producing an I.C. engine valve V, the valve body, provided with an annular groove 16 in its head, is held, at cylindrical and facial peripheral regions 32, 53 of said head, in a rotary and earthing chuck C and is rotated thereby whilst a TIG head 55 deposits a hard facing annular bead 18 in the groove 16 from a filler wire W comprising over 50% by weight Fe and further including a deoxidizer, e.g. Cr, a lattice stabilizer, e.g. Ni, and hardeners, e.g. C, Mo. The desired bead hardness is 230 Brinell at 1200‹ F. The chuck comprises work-engaging jaws (34) which have arms located by a ring 44 and are inwardly pressed, against return springs, by axial movement of an outer ring 48 engaging inclined ends of the jaw arms. The jaws are of high chill material, e.g. Cu. In operation, the valve body is set in rotation, and the TIG head and a filler wire feed 62 are energized. After 360 degrees rotation, the filler wire feed is halved and the arc current is reduced over 5-20 degrees rotation to provide a tapering overlap reheated zone to eliminate discontinuities. The valve is finally finished by trimming the bead to provide a desired tapered surface 14. Preferably, the filler wire W comprises a sheath formed from strip and enclosing a granular core. The sheath may comprise Fe alloys, e.g. 11À50-14À50% Cr. The core may comprise, by weight of wire, 18-28% Cr. 8-13 Ni, 1-5% C, 4% minimum Mo and may include Fe-Si and Fe-Mo. An example bead comprises 2À3% C, 0À9% Si, 25À2% Cr, 10À5% Ni, 5À5% Mo, balance Fe.
Patent GB-225821-A (GB)
Title: An improved process for the catalytic combustion of ammonia-oxygen mixtures
IPC: C01B21/26
Filed: 1924-10-07
Abstract: In the catalytic oxidation of ammonia, the walls of the apparatus are maintained at a much lower temperature than that of the catalyst by means of a cooling liquid such as water, thereby minimizing the occurrence of flame combustion in the interior of the apparatus.
Patent GB-445929-A (GB)
Title: Improvements in massage appliances
IPC: A61H15/00
Filed: 1935-09-17
Abstract: 445,929. Massage apparatus. PICKETT, F. N., 147, Grosvenor Road, Westminster. Sept. 17, 1935, No. 23734 /34. [Class 81 (ii)] A massage appliance comprises a casing containing a plurality of revoluble balls which protrude through apertures in one of the walls, a common plate for holding said balls, and common spring means for resiliently holding the plate against the balls. The casing consists of two parts 2, 3, of ebonite or other nonconducting material, a metal ring 4 being provided at their juncture. The projecting ebonite or like balls 5 are held by a plate 6 and rubber sponge 7. An electrostatic charge is induced when the device is rubbed on a dry skin.
Patent GB-401459-A (GB)
Title: Improved combined reinforced concrete and steel construction
IPC: E04B1/18
Filed: 1932-08-26
Abstract: 401,459. Columns. RINGS, F. C. C., 12A, Anerley Hill, London. Aug. 26, 1932, No. 23859. [Class 20 (iv).] A column is composed of a number of spaced vertical steel bars a let into a metal cap b and a metal base plate c. As shown a numbei of columns are superposed vertically and connected by bolts e The reinforcing bars f of floor beams are able tc pass through the column between the bars a, which may be connected by straps d.
Patent GB-1305068-A (GB)
IPC: A41H37/02
Filed: 1970-05-18
Abstract: 1305068 Hook fastenings G I FELDHEIM and A FELDHEIM 18 May 1970 [26 May 1969] 23887/70 Heading A3H [Also in Divisions B4 E2 and B8] A garment fastener component includes a U-shaped staple 1 provided with an integral tongue 4, the legs of the staple each terminating in a prong 5, and a backing plate 3 having notches for receiving the prongs, prior to the prongs being clenched under the plate. Shoulders on the staple legs co-operate with the backing plate to maintain the staple base spaced from the base of the plate. Grooves 41 provided at the roots of the prongs prevents buckling of the staple legs during clenching. A fastener comprises two such fastener components attached to a garment so that they co-act as illustrated in Fig. 9. A chain of staples 1 joined by a backing strip 2 and a chain of backing plates 3 joined by a backing strip 6 are fed from a magazine (not shown) to a clenching press (not shown) during assembly of fastener components on garments. The clenching press may include means whereby the leading staple 1 and leading plate 3 are advanced automatically into the clenching region of the press upon the completion of the previous clenching operation.
Patent GB-874195-A (GB)
Title: Improvements in or relating to the pulse modulation of a beam of charged particles accelerated by high potential
IPC: H01J3/02
Filed: 1959-07-13
Abstract: 874,195. X-ray systems; transformers. ZEISS-STIFTUNG, CARL. [trading as ZEISS, C., [firm of]]. July 13, 1959 [July 14, 1958], No. 23916/59. Classes 38 (2) and 38 (4). [Also in Group XL (c)] A high-velocity beam 5, Fig. 1, of charged particles, e.g. electrons, produced by a generator 1 comprising an earthed anode 4 and a control electrode 3 which together with the cathode 2 is maintained at a high voltage, e.g. - 100 kv., relative to the anode, is pulse modulated by coupling a pulse generator 10, Fig. 6 (not shown, see Group XL (c)), at ground potential to the control electrode 3 through a 1 : 1 toroidal highinductance isolating transformer, Figs. 3 and 4. The control electrode 3 is biased relative to the cathode 2 by the output from a rectifier 12 which is connected in series with the secondary winding of the transformer 11 and the magnitude of this bias is controlled by adjusting the magnitude of the A.C. input to the rectifier 12 which is applied thereto through another isolating transformer 13. The generator 1 may comprise an electronbeam, electron-microscope, high-voltage oscilloscope, the particle injector system of a linear or circular accelerator, X-ray tube or highvoltage transmitting valve. As shown in Figs. 3 and 4, the isolating transformer 11 comprises a toroidal ribbon core 19 of high permeability covered by a layer of foam material 20 on which is wound a single layer secondary winding 21 having output leads 25, 26, the components 19, 20 and 21 being embedded in a toroid 22 of insulating potted resin over which is wound a single layer primary winding 23 which is fixed in position by a coating of cold-hardening resin or by a layer of lacquer. The leads 25, 26 are enclosed in an insulating projection 24 which is potted together with the potted resin toroid 22. The primary winding 23 may be covered with a partially conductive coating to protect the pulse generator against flash-over in the high-potential secondary winding.
Patent GB-360078-A (GB)
Title: Improvements in or relating to hubs for the wheels of children's cycles, perambulators and other like wheels
IPC: B60B27/02
Filed: 1930-08-11
Abstract: 360,078. Wheel hubs. RADNALL, E. A., Vauxhall Works, Dartmouth Street, Birmingham. Aug. 11, 1930, No. 23929. [Class 144 (i).] A hub for wheels of children's cycles, perambulators, and like vehicles comprises a tubular barrel 1, preferably formed from a flat blank, with end lugs 3 which are adapted to engage in recesses 10 in the spoke flanges 7 and be folded over the outer faces of the flanges, as shown in Fig. 4. For a rear wheel, the lugs at end of the hub are elongated to pass through a sprocket-adapter 15, Fig. 6, or the. sprocket 18, Fig. 10. As shown in Fig. 14, a hub-cap 23 is secured by lugs engaging a groove 21 at the end of the hub, either by being pressed into the groove or passed through slots in the washer 22.
Patent GB-1428436-A (GB)
Title: Method for producing biologically tolerated polymers
IPC: C08F36/04
Filed: 1973-05-18
Abstract: 1428436 Polymers of conjugated dienols CESKOSLOVENSKA AKADEMIE VED 18 May 1973 [16 June 1972] 23938/73 Heading C3P Biologically tolerated polymers are prepared by the catalytic polymerization of a monomer system containing at least 60 mol. per cent of a conjugated diene having a linear chain, and containing 5-10 carbon atoms and at least one free -OH group or -OH group blocked by reaction with ClSi(CH 3 ) 3 . Hydroxy compounds may be polymerized by free radical mechanisms and blocked hydroxy compounds by ionic coordination mechanisms. Examples are given as follows: conjugated diene monomers: 2,4-pentadiene - 1 - ol, 2,4 - hexadiene - 1 - ol, 1,3- heptadiene - 5 - ol, 2,4 - octadiene - 6 - ol, 1,3- decadiene - 8,9 - diol and 2,4 - pentadiene - 1- oxytrimethylsilane; co-monomers: ethylene glycol dimethacrylate, 2-hydroxyethyl methacrylate, methylene-bis-acrylamide, methacrylic acid, dimethylaminoethyl methacrylate, propylene glycol monomethacrylate, diethylene glycol monomethacrylate, divinyl carbinol, triethylene glycol dimethacrylate, #-vinylacrylic acid, diethylaminoethyl methacrylate, 1,5- hexadiene-4-ol, divinyl methoxy silane, glycerol methacrylate and catalysts: benzoyl peroxide, cumene hydroperoxide, cyclohexanone peroxide, diisopropyl peroxycarbonate, tertbutyl peroxyacetate, azobisisobutyronitrile, 2,2<SP>1</SP>-azobis-2,4-dimethyl-4- methoxyvaleronitrile, methyl azobisisobutyrate, diethyl aluminium chloride/rhodium acetylacetonate and diethyl aluminium chloride/cobalt acetylacetonate/water; modifier: CBr 4  (Example 13); and solvents (when used): benzene, DMF, acetone, ethanol and pyridine. When solvent is absent polymerization is effected in a mould or between two glass plates. After-treatments.-Polymers of the blocked hydroxy compounds may be hydrolysed to produce free hydroxy groups (Examples 9 and 10), and examples are also given of cross-linking the hydroxy polymers with ammonium bichromate (Example 13) or by reaction with toluene di-isocyanate (Example 12). Uses.-Manufacture of biomedical materials, e.g. heart valves, tubular implants, contact lenses, and haemodialysis or reverse osmosis membranes; coatings for catheters and foods; protection of roads and building materials; and binders of biologically active compounds.
Patent GB-150547-A (GB)
Title: Improvements in trapnests for poultry
IPC: A01K31/16
Filed: 1919-09-30
Abstract: 150,547. Darracott, W.A. Sept. 30, 1919. Nests.-A trap-nest having a sliding door c is fitted with a catch e comprising a single length of bent wire e pivoted at f and having a projection g by which the door is supported. An integral downward extension h bent inwardly is displaced by the fowl entering the nest, withdrawing the catch, and releasing the door.
Patent GB-1174734-A (GB)
Title: Improvements in Squelch Circuits
Inventor: GLASSER JAMES ROSS
IPC: H03G3/34
Filed: 1968-05-20
Abstract: 1,174,734. Transistor muting circuits. MOTOROLA Inc. 20 May, 1968 [6 June, 1967], No. 23951/68. Heading H3T. In a muting arrangement in which the muting is derived from the noise present in the signal channel, and which increases as the signal level increases, a positive-going output from noise detector 10 is applied over a short time-constant circuit comprising resistor 25 and capacitor 26, which reduces the ripple, and a potential divider 28, 29 to a D.C. amplifier 14. Amplifier 14, which derives an emitter bias from potentiometer 38, 39 is normally conductive in the absence of a noise bias on its base, and its collector potential biases audio switch 16 to cut off the audio signal from the audio output line. When the noise increases, as the signal level increases amplifier 14 is biased back and the drop in collector potential causes audio switch 16 to close and couple the audio signal to the output line. The output of noise detector 10 is also applied via a filter network comprising resistor 68 and capacitor 66, which removes any high-frequency signals present, to an emitterfollower 13, in the output circuit of which is a long time-constant filter consisting of resistors 62, 63 and capacitor 65. The full output of this filter is applied via a diode gate 64 to the base of amplifier 14. The noise-derived voltage at the base 33 of amplifier 14-or alternatively from the output of noise detector 10-is applied to the emitter of a detector 22, the base of which is connected via a diode 48 to potential divider 38, 39. Detector 22 is non-conductive in the absence of a noise signal, but such a signal at its emitter of sufficient strength to overcome the delay bias applied to its base causes transistor 22 to conduct and its collector current in resistor 51 biases a further transistor 71 conductive. Conduction in transistor 71 causes resistor 69 to form a potential divider with resistor 68, reducing the noise-derived voltage applied to the base of emitter follower 13. Thus, on the commencement -of signals transistor 13 rapidly charges the capacitor 65, the voltage across which takes charge of the removal of muting. On sustained signals of sufficient strength, however, detector 22 causes the noise signal at emitter-follower 13 to decrease so that capacitor 65 discharges via long time-constant circuit 62, 63. Short timeconstant circuit 25, 26 then takes charge, as that on any sudden cessation of signals muting is rapidly effected, so avoiding a noise " tail " being heard.
Patent GB-1397261-A (GB)
Title: Electrical insulating material and electrical conductors insulated therewith
IPC: H01B3/30
Filed: 1972-05-22
Abstract: 1397261 Insulating conductors STANDARD OIL CO 22 May 1972 [26 May 1971] 23972/72 Heading H1A [Also in Division B2] A conductor has an electrical insulation comprising: a base coat of a polyamide or polyamide-imide prepared by heating (1) trimellitic anhydride or isophthalic acid or mixtures thereof (2) at least one diprimary aromatic amine, and (3) at least one lactam or amino acid, which base coat is cured on the conductor; and an overcoat of a polyamide-imide resin cured on the base coat, the resin consisting essentially of recurring units of where R is a divalent carbocyclic aromatic organic radical. The conductor is preferably copper wire. The base coat is formed by heating the reactants in concentrated solution in the presence of a catalyst, a list of which is given. The overcoat may be prepared from an acyl derivative of the benzene tricarboxylic acid and an equimolar amount of an aromatic diamine, or form trimellitic anhydride and an isocyanate many examples of which are listed.