baber/WOPTO huggingface dataset:
Patent GB-458510-A (GB)
Title: Improvements in or relating to means for use in automatically stopping kinematograph projecting apparatus
IPC: G03B19/18
Filed: 1935-06-26
Abstract: 458,510. Kinematograph projectors. NEIL, R. J., 51, Englefield Road, Dalston, and BRUNNER, G. E. DE, 3, King Street, Covent Garden, both in London. June 26, 1935, No. 18287. [Class 97 (i)] A film guide or gate has a movable component which is displaced against spring resistance, when a film feeding element meets an imperforate portion of the film or a blinded perforation therein, to operate means for switching off the driving power, and light source ; the perforation may be blinded by a transverse celluloid strip cemented or otherwise secured to the film. As shown, a blinded perforation 3b engaged by a feed claw 7 causes a gate member 9, held by springs 14 and pins 10, to tilt, so that one of the pins 10 engages a screw 19 in a lever 17 and turns the lever. The arm 17a of the lever engages and turns an arm 20 secured to a spindle 22 carrying a rod 33 having a bent end 33a which effects the breaking of the circuits. The circuits are initially completed by temporary closure of the circuit of an electromagnet 26, by a coin &c. so that its core 26a attracts a keeper 25a, pivoted at 24, and causes a bar 25b carried by an extension 25 of the keeper to bridge vertically-displaced spring contacts 27 in the circuits, as shown in Fig. 7. The keeper then tensions a spring 32 and allows a leaf spring 31, fixed at one end and secured to the keeper at the other end, to straighten and engage a member 26b so as to maintain the circuit of the magnet and keep the bar 25b in bridging position. When the end 33a of the bar 33 is turned, as a result of the movement of the gate member 9, it engages and flexes the spring 31 and allows the spring 32 to turn the keeper and remove the bar 25b from the bridging position. The screwcarrying end of the lever 17 may be hinged at 17b so that it may be moved out of operative position.
Patent GB-168728-A (GB)
Title: Improvements in or relating to photographic printing frames
IPC: G03B27/02
Filed: 1920-07-02
Abstract: 168,728. Houghton- Butcher Manufacturing Co., Ltd., and Denniss, A. J. July 2, 1920. Printing-frames.-A hook or slotted member 6 attached to or integral with the clamping-spring 3 engages a pin or stud 7 on the frame and by cam action draws the edge 5 of the back into contact with the end rail 2a of the frame, thereby preventing slipping. The cam action may be secured by the inner edge 8 of the hook, or by making the pin 7 rotatable and providing it with a cam surface. Specification 3648/04 is referred to.
Patent GB-1188853-A (GB)
Title: Fastener Driving Apparatus.
IPC: B25C1/00
Filed: 1967-04-20
Abstract: 1,188,853. Nailing machines. TEXTRON Inc. 20 April, 1967 [9 May, 1966], No. 18306/67. Heading B4C. A fastener driving apparatus comprises a magazine 32 accommodating round headed nails welded to two parallel wires 30 and arranged in a coil as shown in Fig. 5, a guide 34 and a turret member 152 for feeding the leading nail to a fastener delivery passage. The wires 30 engage slots (158) (Fig. 13, not shown) in the walls of the turret member between pockets 154 so that, when a nail is driven into a workpiece by a pneumatically actuated driving member (not shown), the wires are severed and are carried with the nail into the workpiece. After driving in a nail the apparatus is raised from the workpiece and is again brought into contact with the workpiece, such action causing pivoting of a shoe (42) (Fig. 1, not shown) and thereby indexing of the turret member. Actuation of a trigger effects driving in of another nail. Access to the interior of the magazine and the turret member is permitted by a wall portion 92 pivotable on a skew axis 96 and a guide member 122 pivotable on an axis 124. The guide member includes spring-urged locking members (136) (Fig. 10, not shown) having projections (140) engageable with recesses (150) in a housing of the apparatus, and the guide member overlies an extension 116 of the wall portion 92 when the latter is closed. The magazine includes a floor 62 attached to a spindle 66 rotatably mounted on a fixed spindle 56, and lugs 74 which are shaped to co-operate with apertures in a base member 52 to define three settings of the floor relative to the base member in order that the magazine may accommodate nails of three different sizes.
Patent GB-1178415-A (GB)
Title: Apparatus for Tape Dispensing Machine.
IPC: B65H35/00
Filed: 1967-04-21
Abstract: 1,178,415. Tape dispensers. NASHUA CORP. 21 April, 1967 [27 April, 1966; 31 March, 1967], No. 18344/67. Heading A4G. A tape spool 10, Fig. 1, is centred vertically by a rod 8 on a rotatable platform 4 on base 2. The tape may be adhesive on the inside at 120 or the outside at 122 and is accordingly, drawn off around vertical guide rollers 12, 40 and has the direction of its plane turned through 90 degrees by tilted guide member 112 and a lower horizontal guide member 115. Roll 40, Fig. 4, is carried by a bar 36 sliding on bearings 34 in a guide 18 and carries a cam 46 acting on sliding rod 54 abutting spring loaded cranks 70, 72 carrying brakes 94 acting on rotatable platform 4, the brake pressure being backed by members 96, Figs. 1 and 4. As the tape is pulled off, e.g. via a dispensing mechanism to which the base is attached or with which it is integral, the force on roller 40 releases the brake and allows the platform and tape spool to rotate and prevent over-running of the spool when the pull ceases.
Patent GB-408476-A (GB)
Title: Improvements in means for marking roadways
IPC: E01F9/06
Filed: 1933-06-28
Abstract: 408,476. Blocks for marking road surfaces. HAYNES, H. J., 4A, Northleigh, London Road, Portsmouth. June 28, 1933, No. 18350. Addition to 355,894. [Class 87 (i).] The rubber blocks described in the parent Specification are modified by forming the top surface convex from side to side, Fig. 1, or from the sides and ends.
Patent GB-433663-A (GB)
Title: Improvements in or relating to vegetable peeling apparatus
IPC: A23N7/02
Filed: 1934-06-21
Abstract: 433,663. Control of motors. LYONS & CO., Ltd., J., Cadby Hall, Kensington, and ADAMS, C. H., 37, Crestway, Roehampton, both in London. June 21, 1934, No. 18374. [Class 38 (iii)] [See also Group VI] Travelling to predetermined limits.-The supply of flushing water passing through a vegetablepeeling machine is used to stop the driving- motor after a predetermined period of running. As shown, the peeling machine 1 is driven by a motor 2 and the water is supplied from a tank 5 through a valved pipe 14. The tank 5 is fed by a tank 4, the main supply 3 to which is controlled by a ball cock valve. The outlet 13 of the tank 4 is controlled by a valve 25, the operating lever 12 and the valve being so biassed by a weight 26 that the valve tends to close. The lever carrying the float 6 is connected by a rod 20 to a rocking lever 21 on which a mercury switch 7 is mounted. In operation, when the tank 4 is full, the lever 12 is pressed down to open the valve 25 and the water is discharged into the tank 5. The ball 6 drops and the mercury switch arm becomes horizontal and closes the motor circuit. The valves are so adjusted that the tank 4 fills and switches off the motor at about the same time as the water in the tank 5 becomes exhausted.
Patent GB-321144-A (GB)
Title: Improvements in and relating to electrical reproduction of gramophone and like sound records
IPC: H04R11/08
Filed: 1928-06-26
Abstract: 321,144. Tyers, P. D. June 26, 1928. Gramophone pickups; magnetic instruments.-The end o: the armature of a gramophone pick-up moves towards, but under or over, a polepiece, the movement not being limited by the proximity of the pole-piece. The poleshoes 10, 11, 13, 14, Fig. 5, are cut away to form pole-pieces 9, Fig. 3, between which the armiture 1, pivoted at 3, is free to move, the total number of polepieces being eight. The armature 1 is damped by a light extension 4, of aluminium &c., located between rubber blocks 15, and is surrounded by a coil on a bobbin 5. Further damping is provided by a rubber washer 17, between the needleholder 16, and the pole shoes 10 and 11. An alternative damping device is shown in Fig. 4, in which the needle-holder 18 is provided with a collar 19, on which rests a rubber washer 20, clamped against the pole-shoes by a member 21. Specifications 315,488 and 319,717 are referred to.
Patent GB-1007862-A (GB)
Title: 4-methyl-6-isobutenyl-pyrone-(2) and a process for its manufacture
IPC: C07D315/00
Filed: 1962-05-14
Abstract: The invention consists of 4-methyl-6-isobutenyl-pyrone-(2) and its synthesis by heating to 20-150 DEG  C., preferably 50-100 DEG  C., b ,b -dimethyl acrylic acid b -methylene-butyric acid or an ester thereof, or C1 to C8 alcohol, or b ,b -dimethyl propiolactone, with polyphosphoric acid, preferably containing 80 to 85% by weight phosphorus pentoxide.  In the examples, the product resulting from the condensation stage is poured on to ice, is extracted with methylene chloride and is subsequently purified by vacuum distillation followed by recrystallization.
Patent GB-458797-A (GB)
Title: Improved slider-crank mechanism for use in variable speed and/or reversing gearing
IPC: F16H35/02
Filed: 1935-06-28
Abstract: 458,797. Crank linkages; change-speed or reversing gearing. RICHARDSON, P., 79, Rivermead Court, Hurlingham, London. June 28, 1935, No. 18543. [Classes 80 (ii) and 80 (iii)] Relates to change-speed or reversing-gearing comprising the well-known one-half reducing- train in which sliders 4 upon two cranks 9 upon a driving offset crank disc 10 shoot each in turn over the central space 6 of crossed slots 1 in a driven disc 2 while the other crank is driving. The object is to guide the sliders 4 as they cross the free space 6 to prevent either advancing edge 12 from striking the corner 13 where the continuation slot begins. To this end, a narrower deepened slot 3 is arranged below and parallel to each main slot 1, and each of the sliders 4 is formed with a key 5 which is guided each in its own deeper slot 3. The key slots 3 are widened near their outer ends at 3x to relieve the keys 5 of driving load.
Patent GB-229575-A (GB)
Title: Improvements in or relating to closures for preserving jars and like receptacles
IPC: B65D53/02
Filed: 1924-08-05
Abstract: 229,575. Almquist, G. E. Aug. 5, 1924. Vacuum closures; cap-stoppers, screw; packing-rings for stoppers.-In a jar &c. in which fruit is preserved in vacuo, a closure member such as a screw cap 3 co-operates with a packing ring 6 made of elastic material and formed with diametrically opposite lips 7 with concavoconvex openings 11 in them. When the lips aregripped and pulled apart, the ring is distorted,. admitting air into the jar and facilitating the removal of the closure member. Rupture of the ring may be prevented by a reinforcing strip 8 associated with the lips 7 and the body of the ring.
Patent GB-606673-A (GB)
Title: Improvements in or relating to electrical control and integrating arrangements
IPC: G06G7/188
Filed: 1945-07-20
Abstract: 606,673. Automatic- - control systems. WILLIAMS, F. C. July 20, 1945, No. 18701. [Class 38 (iv)] In a speed control or integrating device, a voltage proportional to the velocity of a controlled member is compared with an input voltage and a function of the two voltages is employed to control the velocity of the controlled member. In Fig. 1 an input control voltage V(t) is applied through resistor R1 to the input of a high gain paraphase amplifier AMP, the output of which includes the two field coils F1 and F2 of the split-field motor M which drives a generator G having a field F3, and arranged to deliver an output voltage which is accurately proportional to the speed of the motor. This output is applied through R2 to the amplifier input in opposite sense to the voltage V(t) and a relative inequality is reflected in corresponding energization of fields F1, F2 to effect a change in the torque of motor M, which is rendered proportional to the field unbalance by maintenance of the armature current at a constant value (by means not shown). In a speed-control system the input control voltage is constant and proportional to the speed of a controlling member, and the speed of motor M changes until it bears a constant relationship to that of the controlling member, when the output voltage of G equals the control voltage. Alterations in the speed of the controlling member are reflected in corresponding alterations in the speed of motor M. To minimise audio-frequency oscillations caused by magnetic coupling between the motor field and the generator armature, when a high gain amplifier is employed, a filter circuit may be introduced between the generator output and the amplifier input, Fig. 2, (not shown), or a single valve circuit may precede the amplifier, Fig. 6. In the latter circuit, the number of rotations of motor M is a measure of the time integral of V(t). In one form of the amplifier, Fig. 5, the input control and generator voltages are applied to terminal T, and the motor field coils connected between terminals T2 and T3. The diode V2 prevents overloading of valve V3 by large negative voltages on the control grid. In further modifications of Fig. 6, Figs. 8 and 9 (not shown), coupling between the motor field and generator armature is rendered inocuous and consequently audio-oscillations are suppressed.
Patent GB-333994-A (GB)
Title: Improvements in vaginal syringes
IPC: A61M3/02
Filed: 1929-06-18
Abstract: 333,994. Stahl, H. N. June 18, 1929. Syringes. - The nozzle 2 of a vaginal syringe has a smooth bore terminating in a lateral opening 3, and helical grooves 4 extending along the outer surface of the nozzle from the outlet 3 to the base.
Patent GB-961409-A (GB)
Title: Corrosion inhibitor compositions
Inventor: DULAT JOSEF
IPC: F01P11/06
Filed: 1961-05-24
Abstract: Corrosion inhibitor compositions, coolants and antifreezes comprise a source of selenite or tellurite ions, a source of borate ions, and a source of ions of an aliphatic carboxylic acid containing 6 to 10 carbon atoms per molecule or of an aromatic carboxylic acid, or an aromatic dihydroxy compound wherein the hydroxyl groups are on adjacent nuclear carbon atoms. The corrosion inhibitor composition may be in the dry form.  The compositions reduce the corrosion on ferrous metals, aluminium, zinc, copper and copper alloys.  Specified substances are sodium tellurite, sodium selenite, sodium tetraborate, sodium tetraborate pentahydrate, octanoic acid, heptanoic acid, salicyclic acid, sodium octoate, catechol, sodium salt of ethylenediamine tetracetic acid, ethylene glycol, glycerol and Rhodamine N500.ALSO:Corrosion inhibitor compositions, coolants and antifreezes comprise a source of selenite or tellurite ions, a source of borate ions, and a source of ions of an aliphatic carboxylic acid containing 6-10 carbon atoms per molecule or of an aromatic carboxylic acid, or an aromatic dihydroxy compound wherein the hydroxyl groups are on adjacent nuclear carbon atoms.  The corrosion inhibitor composition may be in the dry form.  The compositions reduce the corrosion on ferrous metals, aluminium, zinc, copper and copper alloys, Specified substances are sodium tellurite, sodium selenite, sodium tetraborate, sodium tetraborate pentahydrate, octanoic acid, heptanoic acid, salicyclic acid, sadium octoate, catechol, sodium salt of ethylenediamine tetracetic acid, ethylene glycol, glycerol and Rhodamine N500.
Patent GB-652226-A (GB)
Title: Improvements in or relating to the production of magnesium base alloys
Inventor: BALL CHARLES JAMES PRIOR
IPC: C22C1/02
Filed: 1945-07-24
Abstract: A process for the production of magnesium base alloys containing zirconium in which the introduction of the zirconium is effected by means of a compound or mixture containing fluorides of zirconium and potassium, the rates of the zirconium fluoride to potassium fluoride exceeding that in K2ZrF6.  The two fluorides may be present in approximately equimolecular proportions.  The mixture may also contain calcium fluozirconate.  Specifications 511,137, 511,482, 533,264, 652,224, 652,227 and 26438/39 (as open to inspection under Sect 91), are referred to.
Patent GB-933978-A (GB)
Title: Load sharing arrangement for rectifier circuits
IPC: H02J1/10
Filed: 1961-05-26
Abstract: 933,978. Automatic voltage and current control systems. STANDARD TELEPHONES & CABLES Ltd. May 26, 1961 [May 27, 1960], No. 19119/61. Class 38 (4). An automatic control system for maintaining a desired division of load between a plurality of parallel operating rectifiers 4, 4a, 4b which are supplied from an alternating current source and feed a common load 10 comprises regulating devices 1, 7 for each rectifier 4 whereby the output voltage of the rectifiers is maintained at a constant value, the regulating devices 7 being subject to an additional control to maintain a predetermined load division, which control comprises current transformers 3 from which are derived voltages dependent upon the current carried by the rectifiers, such voltages being compared with one another so that any unbalance therebetween varies the conduction of transistor 8 and thus causes the input to the regulators 7 to be varied. In the system shown in the Figure the rectifier 4 is considered the main rectifier. The system may however also be provided with a transistor in the input to the device 7 in which case each transistor may be provided with a " shorting " switch in order that any rectifier may be chosen as the main rectifier.
Patent GB-274652-A (GB)
Title: Improvements in or relating to change giving or coin ejecting tills and the like
IPC: G07D1/00
Filed: 1926-08-04
Abstract: 274,652. Bird, P. April 20, 1926. Compressed-air engines. - A portable, compressed-air engine plant suitable for talking machines, automatic musical instruments, light sewing machines, &c. comprises a reservoir communicating through a passage containing a regulating-valve with a cylinder provided with a piston connected to a pinion-and-rack driving-mechanism and to tooth gearing by which it is returned to its in position. The cylinder may act as a motor or as a compressor to recharge the reservoir; a subsidiary manually-operated pump may also be used. In the apparatus applied to a gramophone, the gearing train 11 is supported by a plate framing 12 which carries a cylinder 14 closed at the rear end 16 and provided with a piston 18 connected to a rack 20 having horizontal and vertical teeth 22, 21. The cylinder 14 and receiver 24 are connected by a valve-controlled pipe 23. The teeth 22 drive the gearing 11; teeth 21 engage a pinion 27 which is manually operated to return the piston. The receiver 24 is supplied with compressed air by means of a pump 45. The piston may have spring ring or leather packing, or a solid plunger may be used. The rack 20 may have one set of teeth. Two or more cylinders and receivers may be used. In a modification, the piston has a rod connected to a crosshead carrying horizontal racks with vertical and horizontal teeth respectively in lieu of rack 20. In a further modification the main cylinder and an auxiliary cylinder a.re provided with inlet and outlet valves so that air can be recompressed into the reservoir.
Patent GB-438150-A (GB)
Title: Improvements in or relating to riddles
IPC: B07B1/48
Filed: 1934-06-30
Abstract: 438,150. Sifting-apparatus. BAKER, Ltd., G., and BAKER, C. F., Cecil Street, Birmingham. June 30, 1934, No. 19352. [Class 117 The removable bottom of a sieve is secured in the flangeless rim by snapping its stiffened edge into engagement with clips carried by the rim. In the form shown, the clips d have tongues e passed through and clinched to the rim a, but in the case of metal rims, the clips may be riveted or spot welded thereto.
Patent GB-458933-A (GB)
Title: Improvements in and relating to filing cabinets, book racks and the like
IPC: A47B65/00
Filed: 1935-07-08
Abstract: 458,933. Cabinet for books, papers, &c. PEDLEY, A., Rondo Works, Elysium Street. Fulham, London. July 8, 1935, No. 19431, [Class 18] A cabinet or rack for books, papers, &c., for example, telephone directories, time tables, and pamphlets, and which may be used for holding a telephone, comprises in the form shown in Fig. 2, a body divided by two partitions 5 into three compartments, the outer ones containing the two volumes of the London Telephone Directory and the centre one the companion volume usually called the Buff Book. A hinged door 6 with a flange 7 is provided at the front of each compartment, the pivot pin 9 being, if desired, continuous through the three compartments and may be secured at its end by a cap nut engaging a thread. On opening any of the doors, the flange 7 raises the volume to the position shown in chain-dotted lines. To return the volume, it is laid on the door in the position shown in dotted lines and the door then turned up. In the form shown in Fig. 4, which is used for papers, cards, &c., a single door 6 is used and a number of fixed partitions 10. The door 6 may alternatively be hinged to the sill 8. The form shown in Fig. 8 is adapted to house a telephone in the centre compartment. In this form the centre compartment may have a fixed top and the front may be closed by a hinged door of any preferred kind or may be left open.
Patent GB-337738-A (GB)
Title: Improvements in or relating to processes for the purification of graphites
IPC: C01B31/04
Filed: 1929-06-25
Abstract: 337,738. Rabetrano, E. Nov. 9, 1928, [Convention date]. Wet separating.-Graphite in minerals of low carbon content is separated from silica, silicates, oxides of iron &c. by fractional precipitation in a liquid containing a colloid, the fraction containing the graphite being afterwards subjected to electro-osmotic action in a vessel in which the settlement of all the particles in suspension is retarded either mechanically or by the presence of a colloid or by both methods simultaneously. The mineral, ground and roughly purified by centrifugal action and decantation, is suspended in a liquid, preferably water, to which is added a colloid to increase the viscosity of the liquid, such as dextrine, alumina, saponin, gelatine or potassium silicate. The treatment may be repeated with the precipitated fraction containing the graphite which is then introduced into a vessel 1 through passages 2 and 2a. Perforated plates 3 maintained at different electric potentials are arranged so that the graphite is attracted to the upper plate and impurities to the lower. An agitator 7 to cause the liquid to circulate upwardly and so to delay the precipitation of the particles is located between the plates and a stirrer 8 above the upper plate. The graphite passes out at 4 and impurities are discharged at 5. The precipitation of the particles may also be delayed by centrifugal action or by the addition of a colloid or bv a combination of mechanical and chemical methods. Colloids may also be added to reverse or vary the potentials of the particles.
Patent GB-372617-A (GB)
Title: Improvements relating to apparatus for coiling metal bars in the formation of frames particularly applicable to concrete reinforcement
IPC: B21D11/12
Filed: 1931-07-07
Abstract: 372,617. Making metal fabrics. SCHLAGINTWEIT, F., 7, Kronprinzenstrasse, Baden-Baden, Germany, and CARMICHAEL, J., 331, Trinity Road, London. July 7, 1931, No. 19568. [Class 83 (iv).] Coiling.-A machine for coiling the ends of cross-bars or wires about two parallel main bars or wires, especially for forming concrete reinforcing fabrics, comprises sleeves i<1>, i<2>, through which the main wires pass axially, rotated in opposite directions from a handle e through worm gearing f<1>, h<1>, f<2>, h<2>, and carrying coiling rollers o<1>, o<2> and helicoidal surfaces p<1>, p2 for forming a helical coil. The sleeve i2 with its driving gears is slidable transversely to vary the spacing, and is locked in position by a pin l<8> engaging one of a number of holes l<5> in a rod l<3>. Liners of different diameters may be inserted in the sleeves i<1>, i<2>.