baber/WOPTO huggingface dataset:
Patent GB-771226-A (GB)
Title: An instantaneously available reserve power plant particularly for use with telecommunication plants
IPC: H02J9/06
Filed: 1955-10-27
Abstract: 771,226. Standby supply systems; dynamoelectric machines. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Oct. 27, 1955 [Nov. 3, 1954], No. 30723/55. Classes 35 and 38 (4). A reserve power plant coming into operation on failure of the main supply comprises a selfexcited D.C. machine 1 having a flywheel 19 and a set of polyphase rotating brushes 5 connected to the load bus-bars 10 through sliprings 8 and switch 9. The brushes 5 are rotated at constant speed by an electric motor 7 which is fed from the bus-bars 10 and maintained at constant speed by a circuit not shown. On failure of the normal supply main 11, switch 12 opens and power is momentarily derived from the machine 1, a voltage regulator being employed to counteract the effect of the machine slowing down. Meanwhile the engine 13 is started and then generator 14 is connected by switch 16 to drive the bushes 5 through motor 7. When the voltage appearing at the rotating brushes is in phase with the voltage of generator 14, the switch 15 closes to enable the generator to feed the load. The same process happens, in reverse, to reinstate the supply from mains 11. If desired, the machine may have armature slip-rings connected to the mains by a switch 17, and by the insertion of an inductance between the mains and the machine, the voltage supplied to the load may be modified by altering the excitation of the machine. Instead of having a separate motor 7, the brushes and a flywheel may be driven from the machine 1 through a free-wheel.
Patent GB-317260-A (GB)
Title: Improved sparking plug for internal combustion engines
IPC: H01T13/16
Filed: 1928-10-24
Abstract: 317,260. Korczynski, L. Oct. 24, 1928. Sparking-plugs. - Air or gaseous or liquid fuel is drawn on the suction stroke through the hollow conductor 15, passing a conical valve 17 which seats itself against the end of the tube 15 during the remainder of the engine cycle. The valve stem 16 is rifle-grooved, and the sparking terminal 18 makes and breaks concontact with fixed terminal 5 traversing the conical recess 4. A channel 6 allows the spark gap to be inspected; a fine-threaded engagement of the tubes 15, 11 and a cross-slot 19 for engagement by a screwdriver enable adjustment to be effected. The insulation is cylindrical in the middle and conical at each end for engaging corresponding seatings in the casing; packings 8, 9, are interposed. An air-filter may be inserted within the tube 15, or formed as a hood of metallic tissue attached to the nut 14.
Patent GB-1401849-A (GB)
Title: Polyamide moulding granules
IPC: C08G69/06
Filed: 1972-06-30
Abstract: 1401849 Polyamides E I DU PONT DE NEMOURS & CO 30 June 1972 [1 July 1971 9 June 1972] 30840/72 Heading C3R A process for increasing the molecular weight of polyamide moulding granules comprises passing them in the substantial absence of oxygen through a plug-flow gravity-conveyed chamber having an upper heating zone and a lower cooling zone, the granules being heated in the upper zone to a temperature above 200‹ C. but at least 15‹ C. below their crystalline melting point by a countercurrent flow of inert hot gas under conditions such that all the granules are heated for substantially the same time while avoiding fluidization, agitation and agglomeration. Specified polyamides are nylenes 6, 6/6, 6/10 and 6/12. In the example the chamber is 6À1 m. high and 1À52 m. diameter and is divided into 2 zones by a gas distributing device 2À13 m. above the base. Polyamide granules have their R.V. (8À4 wt. per cent in 90% formic acid at 25‹ C.) increased from 51À5 to 230 by nitrogen at 205‹ C. for 40 hours, from 42À8 to 206 at 215‹ C. for 16 hours, and from 42À7 to 239 at 220‹ C. for 12 hours. The times are residence times in continuous operation. Reference is made to Specification 1,044,128.
Patent GB-309540-A (GB)
Abstract: 309,540. Soc. Franþaise Cinechromatique ProcÚdÚs R. Berthon, (Assignees of Soc. Civile pour l'Etude de la Photographie et de la Cinematograph en Couleurs). April 12, 1928, [Convention date]. Optical systems.-With the object of avoiding watering in the reproduction of reticulated colour films an adjustable electro-magnetic device C using an alternating current is provided near the lens A to produce a displacement of the optical centre of the lens with respect to the network of the film to be reproduced. The movement is such as to cause the projection to be moved a distance equal to one interval of the network. Alternatively direct current with an interrupting device may be used. This arrangement is specially applicable to printing machines with oscillating diaphragms.
Patent GB-1001535-A (GB)
Title: Improvements in or relating to electrically-driven vehicles
Inventor: GOODACRE CECIL
IPC: B60K1/04
Filed: 1963-08-06
Abstract: 1,001,535. Mounting batteries. LANSING BAGNALL Ltd. July 27, 1964 [Aug. 6, 1963], No. 30993/63. Heading B7H. The battery 8 of an electrically driven vehicle is carried by a pair of linkages on which it is movable substantially horizontally between positions inside and clear of a battery compartment 10 of the vehicle. The linkage for each side of the battery comprises a first link 20 pivotable about shaft 19, which connects the two linkages, and pivoted to links 21, 23 which are pivotally interconnected by link 25 with a surface 31 for supporting the battery. The lower end of link 21 carries a roller 28 which abuts stop 29 when the linkage is expanded in which position it is locked by horizontal link 23.
Patent GB-331782-A (GB)
Title: Improvements relating to tennis balls
IPC: A63B43/00
Filed: 1929-10-12
Abstract: 331,782. Phillips, Ltd., A. W., and Dolman, J. Oct. 12, 1929. Balls.- In a tennis ball of the kind having an inner structure comprising a spherical inflated member enclosed in an outer cover of cloth or other material and having an eye or loop member attached to the ball by a part or parts disposed between the inner structure and outer cover and in contact with both these members, the loop or eye is formed in or by, or is carried by a strip or strips of material or fabric secured to the inner structure of the ball and extending partially or wholly around the inner structure. As shown in Fig. 2, a strip 2 of fabric or elastic is secured round the rubber ball 1 by adhesive or other means and the ends 4 are brought together and tied at 5. The outer cover 6, Fig. 1, is applied and the ends 4 are passed through an eyelet 7 therein and are provided with an eyelet 9 for the suspension member. In a modification, the strip 2 is in the form of an endless band gathered into a loop for the reception of the suspension cord, the loop being reinforced by wire.
Patent GB-896521-A (GB)
Title: An improved mechanism for separating water from sand and like material
Inventor: SOUTHALL THOMAS JOSEPH
IPC: B01D43/00
Filed: 1959-09-11
Abstract: 896,521. Drying sand &c. HARDY & PADMORE Ltd. Sept. 5, 1960 [Sept. 11, 1959; Nov. 6, 1959], Nos. 31008/59 and 37668/59. Class 34(2) A mechanism for separating water from sand and like material comprises an endless uncovered travelling belt disposed at an inclination and of trough construction and having a hopper for depositing the material on the belt whereby it is carried upwardly by the upper uncovered run of the belt which is driven in that direction, the water gravitating downwardly against the upward run of the belt and the ingredients being collected at the respective extremities of the belt. Sand or like material from a hopper f is dewatered by upward passage along an imperforate endless band conveyer a of trough shape so as to allow the water to gravitate downwardly against the upward movement of the conveyer, the sand and water being collected at the upper and lower extremities respectively of the conveyer. The trough formation of the conveyer may be achieved by turning up the corrugated edges of a belt which is mounted about pulleys b, c or the trough may be formed by passage of a flat belt over bottom and side rollers. The conveyer is pivotable about the lower end and the angle of inclination is adjustable by a vertical rod c<SP>1</SP>. A vibrating plate h may be situated beneath the upper run of the conveyer to assist in the separation of water from the sand.
Patent GB-796213-A (GB)
Title: Improvements in or relating to the oxidation of ferrous hydroxide
IPC: C01G49/02
Filed: 1956-10-11
Abstract: Ferrous hydroxide in aqueous suspension is oxidized to ferric hydroxide by means of an oxidizing agent, e.g. oxygen or air, whilst passing an alternating current of 1-20 volts between electrodes in said suspension.  The process may be applied to waste liquor from pickling plants or in removal of iron from drinking water.
Patent GB-812775-A (GB)
Title: An agricultural implement
IPC: A01D19/14
Filed: 1956-10-12
Abstract: 812,775. Root-crop harvesters. MAHY, J. H. Oct. 11, 1957 [Oct. 12, 1956], No. 31150/56. Class 6(3). A device for digging bulbs or root-crops comprises, in combination, a lifting share A having a lateral discharge on to a disc B rotatable about an inclined axis whereby it conveys excavated material upwardly to a vibrating sieve C which sifts the crop from the soil. The members A, B, C are mounted on a frame 1 supported on lateral wheels 32, 37 which are separately adjustable vertically, in order, respectively, to incline the sieve C rearwardly and downwardly at a suitable angle for discharge, and to set the share A at the correct depth for digging. The frame is towed by a tractor, from the power take-off of which a drive is taken, through a shaft 14, to a gearbox 13. The gearbox drives the disc B, through a chain 11 and tube 5 and drives the sieve C, through a belt 23, crank 25, pitman 26, rocker 27 and swinging parallel links 29, 31. The sieve comprises parallel bars 18 mounted in yokes 20 so as to have an adjustable spacing. A rubbercovered roller 44 rolls on the disc to smooth out the excavated material, and is driven by bevel gears from the tube 5. An impeller having blades 43 is mounted on the lower end of the shaft 12, to deflect the material from the disc to the sieve. The propelling tractor may carry a pivoted lateral frame in which is rotatably mounted a rotary skimming tool which removes the top-soil in advance of the share A, Fig. 4 (not shown), the tool being driven from the lateral power take-off.
Patent GB-867530-A (GB)
Title: Improvements relating to the drying or heat-treatment of web materials
IPC: F26B13/20
Filed: 1957-10-07
Abstract: 867,530. Drying web materials. MEIERWINDHORST, A. Oct. 7, 1957 [Dec. 15, 1956], No. 31342/57. Class 34(1) In apparatus for drying web material the web 6, as it passes through the drying chamber is supported only by jets of drying medium, such as hot air, issuing from nozzles 5, and baffles 4 are disposed in the off-flow regions to give stable pressure zones around the web. Additional curved guide members may be placed adjacent to the nozzles.
Patent GB-189772-A (GB)
Title: A process and apparatus for separating a gas or a vapour from a liquid or for dissolving a gas or vapour in a liquid
IPC: B01F3/04
Filed: 1922-11-16
Abstract: 189,772. Fraisse, C. Dec. 5, 1921, [Convention date]. Spray evaporators.-In evaporating liquids, particularly sugar juices, the liquid is supplied from a heater a through a tube b to the centre of a current of air or other gas of lower temperature than the liquid drawn through a heater d and forced by a fan c through a pipe c<1> into a chamber A. The stream of gas impinges on a fan f and causes rotation of the fan and an attached disc e. Concentrated liquid collects in the base h and may be withdrawn by a pipe k or returned by a pipe l and pump m to the heater a. Vapours escape through a surrounding passage B. The apparatus may be used to eliminate sulphurous acid or other gas from solution or to dissolve a gas in a liquid.
Patent GB-845889-A (GB)
Title: Tool for use in centrifugal spinning
IPC: D01H1/08
Filed: 1956-10-16
Abstract: 845,889. Centrifugal spinning &c. of threads. RUMANIAN MINISTRY FOR LIGHT INDUSTRY, FIRST DEPUTY MINISTER OF. Oct. 16, 1956 [June 28, 1956], No. 31503/56. Class 120 (3). A hand tool for transferring a thread from the interior of a centrifugal yarn holder 3 on to a tube 4 for winding consists of a handle 1 to which are attached one or more flexible antennae, the antennae consisting solely of wire having no projections or attachments.
Patent GB-829575-A (GB)
Title: Liquid level indicating and regulating device in particular for use with water boilers for coffee percolators
IPC: A47J31/56
Filed: 1956-10-17
Abstract: 829,575. Feedwater regulators. VALENTE, E. Oct. 17, 1956, No. 31557/56. Class 123(2) [Also in Group XVIII] In a liquid level indicating and regulating device, in particular for use with boilers for coffee percolators, a hollow body 1 is connected by stop cocks 2, 3 to the boiler, and houses a float 23 supported on a lever 21 which, when the liquid level rises, operates a valve 19 to close the end of a union 15 carrying a feed water conduit 14, the union being provided with a cap 16 having radial holes 17 and an axial hole 18 for locating the valve 19. The hollow body 1, which is closed by a detachable cover 4 carrying the union 15 and the lever 21, has attached to it two heads 5, 6 locating a level indicating tube 7 provided with packing rings 8 held in position by rings 9, springs 10 and covers 11.
Patent GB-520943-A (GB)
Title: Improvements in and relating to lubricators
IPC: B61F17/00
Filed: 1938-11-01
Abstract: 520,943. Impregnating cotton waste with oil. SPENCER, J. C. Nov. 1, 1938, No. 31586. [Class 15 (i)] Cotton waste is impregnated with'oil for lubricators by placing it in a reticulated container which 'is in turn placed in a vessel to which treated oil is admitted, the level of the oil being then lowered by lifting the vessel or withdrawing the oil by vacuum. As shown, the waste is placed in an expanded metal &c. container 1 filled with a perforated cover 18 and with a ring 16 by which it rests on cleats 20 provided on the wall of the vessel 2 to which heated oil is admitted through a flexible pipe 4 from a steam-heated supply tank 5. The vessel 2 is fitted with a removable lifting bar 30 connected by chain with a counter-weight 34. Excess oil drains back to the supply tank when the vessel'is raised, and the container with the charge of impregnated waste may be stored in a drum having inward projections on the wall so that the container is held free from the bottom of the drum. In a modification the vessel 2 is not raised, the oil being withdrawn by withdrawing air from the closed supply tank.
Patent GB-468950-A (GB)
Title: Improvements in or relating to machines for the manufacture of glass bottles and the like
IPC: C03B9/20
Filed: 1935-11-15
Abstract: 468,950. Making glass bottles. ARMYTAGE, F. W. Nov. 15, 1935, No. 31604. [Class 56] A machine of the suction-gathering type for making glass bottles and like hollow articles comprises a single mould carriage which has a continuous reciprocating movement in an horizontal direction, and the operation of the suction head, moulds, and blowing valves is effected by the reciprocating carriage and is controlled by stationary track or face cams. The mould carriage 1 slides in horizontal guides 2 and is reciprocated continuously by a crank 4 on the main driving shaft 5. A suction head 7 is pivoted at 8 to the mould carriage, and it is lowered towards the glass in the furnace, when in its outward position, by a stationary track or face cam 9 that actuates a lever 11 pivoted to the head. During the dipping movement, a neck-forming plunger (not shown) enters the ring mould 15, the movement being effected by a segment 28 which is rocked by a slidably-mounted abutment 30. The segment rotates a screwed stem on the plunger, and the surface of the plunger may be screw-threaded when bottles with internallyscrewed necks are to be made. The application of suction to the head 7, to gather the molten glass, is controlled by a valve 17 provided with a lever 19 which is tripped by a detent 18. A valve for controlling the blowing air is operated similarly to the valve 17. The parison mould (not shown) is carried by arms pivoted to the suction head 7, and the ring and parison moulds are opened and closed by links 35 which are operated by cam tracks 38, 39 secured to the machine frame. A shearing blade 22, which cuts off the trailing glass when the parison mould is lifted out of the molten-glass, is moved in its cutting stroke by a spring 23 when a latch 42 is tripped by a detent on the mould carriage. The blade is drawn back, to compress the spring, by a hook on the mould carriage. The finishing mould (not shown) is carried by an arm 43 pivoted at 44 to the mould carriage, and the arm is swung vertically, to raise and lower the mould, by means of a surface cam 45 which runs on rails 46 and is reciprocated by a lever 48 operated by the mould carriage. The finishing mould is opened and closed by a link 51 operated by a bell-crank 52 and a stationary cam track 54. The mould carriage may be counterbalanced, and the different cams may be adjustable in order to alter the timing of the various operations.
Patent GB-1506782-A (GB)
Title: Coiled reel of recording tape
IPC: G11B15/67
Filed: 1975-07-29
Abstract: 1506782 Recording tape leaders BASF AG 29 July 1975 [16 Aug 1974] 31647/75 Heading G5R A coiled reel of recording tape 3, such as magnetic tape, terminates in a leader defining the outer turn of the reel, the leader having a part 2 attached to an end of tape 3 and wider than tape 3 and a part 2 with gripping means 1a, 1b the combined length of the parts 1, 2 being greater than the circumference of the reel but the length of the part 1 being not greater than said circumference, whereby the coiled relationship of the reel is maintained by the gripping means 1a, 1b engaging the edges of part 2 without engaging the edges of recording tape 3. The leading end 1c of the leader extends tangentially from the reel to allow a stationary peeling means (5), Fig. 1 (not shown), to release the hold of gripping teeth 1a, 1b on leader part 2 as the reel is rotated, teeth 1a, 1b gripping the sides of a take-up hub (6), Figs. 5, 6(notshown), so that the leader automatically winds thereon when it passes between the interface of a capstan (7) and hub (6). The length d of leader part 1 is slightly less than the circumference of take-up hub (6) so that the point of leading end 1c penetrates into the complementary recess of trailing end 1d of leader part 1 to prevent the occurrence of a bump when the leader is wrapped around hub (6), the leader part 2 being similarly formed to prevent such a bump.
Patent GB-1282276-A (GB)
Title: Improvements in and relating to film mounting and/or driving apparatus
Inventor: BENNETT GEORGE ALFRED
IPC: G03B21/32
Filed: 1968-07-03
Abstract: 1282276 Film strip winding SELECTROMICRO CO Ltd 8 Sept 1969 [3 July 1968(2)] 31670/68 and 31673/68 Heading G2E A film strip winding mechanism includes means to drive a selected one of two spools in either direction at various speeds and means are provided to apply light braking to the spool acting as supply spool automatically on reducing the speed of the drive means to maintain tension in the strip between the spools. Means for attaching the strip to the spools and the spools to spindles are described. In a microfilm viewer a cassette containing two spools is mounted over drive spindles 66, 68 each drivable through selectively energizable brake and clutches 76, 80 and 84, 86 respectively, by a variable speed motor 98 or by a slow speed motor 108 through a further clutch 104 and gearbox 106. On high speed winding in either direction only one of the clutches 80 or 86 is engaged and on reducing the speed of motor 98 the brake 76 or 84 on the other spindle is automatically energized to tightly brake the supply spool. In an alternative driving mechanism, Fig. 8 (not shown), each spindle has two associated motors (250, 252). In the fast winding mode motor (250) is energized and magnetic clutches (242, 264) de-energized. In the 'reduced speed' mode motor (250) is deenergized and motor (252) and clutch (264) are energized. Light braking on the spindle not directly driven may be provided by energizing one of the motors connected thereto. Spool-spindle coupling. Each spindle 66, 68 has an axial bore 114, Fig. 6, whose open end is closed by a screw-in plug 116 counter-bored to house a spring 118 which biases a conically shaped member 120 to press balls 124 partially through holes 122 to engage serrations 44 in the central bore 42 of the spool. In an alternative construction Fig. 7 (not shown), the spindles have a wire spring member (220) attached to the spindle at one end which may be pushed into a diametrical bore (226). Film securing. Each spool, Fig. 3, has an eccentrically positioned, axially directed through bore 46 which merges into a radially directed slot 48. A small cylinder 50 is located within bore 46 which acts to trap the film end against one edge of slot 48.
Patent GB-662416-A (GB)
Title: Improvements in automatic firearms
IPC: F41A3/40
Filed: 1949-12-09
Abstract: 662,416. Automatic firearms. BREVETS AERO-MECANIQUES SOC. ANON. Dec. 9, 1949. [Dec. 20, 1948; Nov. 3, 1949; Nov. 22, 1949] Nos. 31707/49, 31708/49 and 31709/49. Class 92 (ii). Relates to automatic firearms of the kind in which the barrel 1 and breech casing 2 recoil, upon firing, with respect to a fixed casing S, and in which the longitudinally slidable breechblock 3 carries a member 5 which is held in locking engagement with a part 6 of the breech casing, when a shot is fired, by one or more slidable bars 7, which are moved by a gas piston 11 and rod 9, for instance, upon firing. According to the invention at least one retractable abutment member 14 is interposed betewen the bars 7 and breech casing to prevent the bars from moving to a position where they release the members 5, until the firearm has moved rearwards with respect to the fixed support 5 through such a distance as would only take place upon the firing of a shot. In the construction shown the member 14 has a front forked end so that it can abut against both the bars 7. The rear end of the member has a surface 14b adapted to engage a surface on a cam 15 on the fixed support S. The member, which is acted upon by a spring 16, can lie wholly within a housing 2a in the breech casing 2 and can pivot about an edge 2b. In operation the cam 15 normally causes the member 14 to swing to the upper retracted position when, upon the firing of a shot, the firearm recoils with respect to the support S. The bars 7 can then recoil until their recesses 7a permit the member 5 to rise to the breech-block unlocking position. In the case of miss-fire or hangfire,- however, the absence of recoil enables the member 14 to remain in its operative position, thus limiting the rebound of the bars 7 which therefore hold the breech-block locked. A lever 21, 21b acting on the rear end of the member 14 moves the member to the retracted position when the parts are re-cocked by a pneumatic piston 18 working in a cylinder 17. In a modification the parts are so arranged that the bars 7, which carry the firing pin, cannot complete their forward movement unless the member 14 is in its active position. In another modification the abutment members are pivoted to the bars 7.