baber/WOPTO huggingface dataset:
Patent GB-325470-A (GB)
Title: Improvements in or relating to the treatment of milk by ultraviolet light
IPC: A23C3/07
Filed: 1928-09-12
Abstract: 325,470. Hickman, J. O., and Hickman, N. V. Sept. 12, 1928. Radiations, effecting or facilitating chemical reactions by.-Milk is activated by ultra violet light by causing it to flow in a thin film, cascade, or other form presenting a highly extended free surface through an irradiation zone in which the rate of flow and intensity of irradiation are maintained within the values set forth below. In an example, milk is passed across a treatment plate having an area of 21 inches by 22 inches exposed to the rays of a mercury vapour lamp of the usual type operating at 600 watts on a 200 volt circuit. The lamp is arranged 11 inches from the plate and also its rays are concentrated on the surface by a hemispherical aluminium reflector. The treatment plate is in the form of a milk cooler with a corrugated surface and its surface is first prepared by wetting it evenly with the milk which is then supplied thereto from a trough arranged above the surface and having 18 small holes for distributing the milk each <1>/10 inch in diameter and spaced 1 inch apart. The milk takes 25-30 seconds to travel from top to bottom of the surface. In carrying out the process the intensity of the irradiation is in no case allowed to fall to less than 20 per cent below that used in the example and the rate of flow may be increased to give exposures of 8-16 seconds. The treatment may also be continued, e.g. by repeating the operation or adjusting the length of path of the milk, up to a point just short of that at which the taste of the milk is adversely affected; this taking place with exposures of over 30 seconds but not being very noticeable until exposures of 3 or 4 minutes are reached. Fresh or skim milk may be treated. In one form, the apparatus employed comprises a quadrilateral reflector 10 of polished aluminium, the cross-section being tapered outwards from the centre where a quartz mercury vapour lamp is disposed. A sliding shutter 12 is provided to allow the rays to be used for sterilizing utensils employed in the process. The milk flows from a container 13 through a cock 18 to a trough 14 and thence through perforations 15 to the treatment surface 16, the activated milk being collected in a trough 17. Two treatment plates may be operated simulaneously, one at each end of the reflector 10.
Patent GB-338963-A (GB)
Title: Improvements in, and relating to the manufacture of, products having a sterilizing action on bacteria and/or fungi
IPC: C07F3/14
Filed: 1929-08-29
Abstract: 338,963. Clark, T. W. F. Aug. 29, 1929. Organo-mercury compounds are prepared by treating phenolphthalein, fluorescein, their homologues or halogen derivatives with mercury oxycyanide, or a mixture of mercury oxide and an alkali cyanide, or by the action of an alkali cyanide on mercury compounds of phenolphthalein, fluorescein, their homologues or halogen derivatives containing the group HgX, in which X represents OH, NO3, SO4H, halogen &c. The latter compounds are obtained by boiling phenolphthalein &c. with an excess of the appropriate mercury salt. The final products are useful for the sterilization of bacteria and fungi. Examples are given of the preparation of (1) a cyanmercury-fluorescein compound by heating an aqueous solution of fluorescein with yellow mercury oxide and a solution of alkali cyanide, or by heating a suspension of mercury oxycyanide with a solution of fluorescein containing caustic soda, or by boiling an aqueous suspension of dimercury - fluorescein - chloride with sodium cyanide; (2) a cyanmercury-dibromofluorescein compound by treating dibromfluorescein with yellow mercury oxide and alkali cyanide; (3) a cyanmercury-phenolphthalein compound by adding yellow mercury oxide to sodium cyanide in aqueous solution and boiling with phenolphthalein. The process may be effected in any other solvent, e.g. alcohol, which permits of dissociation.
Patent GB-1066584-A (GB)
Title: Internal combustion engine ignition systems
IPC: F02P1/08
Filed: 1963-07-03
Abstract: 1,066,584. Ignition systems. VILLIERS ENGINEERING CO. Ltd., N.M. CORFIELD and K.A. SMITH. April 21, 1964 [July 3, 1963], No.26320/63. Addition to 922, 330. Heading F1B. In an ignition system comprising a rotary generator driven from the engine and including a coil 10 which is connected through a rectifier 11 to charge a condenser 12 which is connected in a series circuit with a silicon controlled rectifier 14 and the primary of a step up transformer 13, engine driven means are provided for intermittently delivering electrical impulses to the silicon controlled rectifier to render it conducting to allow the condenser to discharge through the series circuit. In a modification the condenser 12 is replaced by two storage condensers in series charged through separate rectifiers. One or more Zener diodes may be connected between the silicon controlled rectifier 14 and the primary winding of the transformer 13. The generator 16 may be incorporated in the main charging generator 10. Alternatively for providing the firing impulse, the engine may mechanically operate electrical contacts controlling a small part of the energy stored in the condenser 12, or energy from the generator 10 or a winding especially provided thereon for that purpose.
Patent GB-1470347-A (GB)
Title: Measuring frame for a vehicle for checking the geometrical characteristics of railway tracks
IPC: B61K9/08
Filed: 1974-06-14
Abstract: 1470347 Measuring rail position MATISU MATERIEL INDUSTRIEL SA 14 June 1974 [16 July 1973] 26423/74 Heading B7N In a measuring vehicle for sensing the position of rails in the plane of a railway track, a rigid measuring frame, carrying parallel members 26, 27 on which rail position sensing devices (not shown) are mounted, is fixedly secured via arms 4, 5 to tubes 10, 11 carrying bearings mounted on a first axle 14 of a bogie of the vehicle and is supported via arms 6, 7 in a ball-and-socket joint which is slidable in the direction of the track in a casing 19 which is rigidly secured to a tube 21 carrying a bearing mounted on the second axle 23 of the bogie. Members 46, 47 supported by arms 48, 49 secured to tubes 10, 11 are disposed at a fixed distance above the point of contact of wheels 15, 16 with the track and can be used with further sensing devices in a rail height measuring arrangement.
Patent GB-757298-A (GB)
Title: Improvements in or relating to false-twisting devices for filaments or yarns
IPC: D02G1/06
Filed: 1954-02-02
Abstract: 757,298. Twist tubes. HEBERLEIN & CO., AKT.-GES. Feb. 2, 1954 [Feb. 12, 1953], No. 26431/55. Divided out of 757,242. Class 120 (2). A twister attached to one end of a spindle of a false-twisting device consists of an arbor rotatably mounted across the bore of the spindle and formed with a hole or slot for the passage of thread. In one embodiment, Fig. 4, an arbor 5 having a hole 6 is mounted for manual rotation in the spindle 2 of a false-twisting device. Another construction has an arbor 51 provided with a slot 6<SP>1</SP> for threading. After threading, the arbor 5<SP>1</SP> is given a half turn to the position shown in Fig. 7.
Patent GB-1442753-A (GB)
Title: Control systems
IPC: G03C5/44
Filed: 1973-09-07
Abstract: 1442753 Delivering measured quantities BEAVEN & SONS Ltd 7 Sept 1973 [7 June 1972] 26441/72 Heading B8N [Also in Division A5]  A control system for controlling the delivery of measured quantities of fluid to and from a utilisation or storage unit, e.g. a human body in peritoneal or renal dialysis, comprises a first measurement device E in which the amount of fluid to be fed to the unit is measured, a first sensor G B responsive to a zero level of fluid in the device E, a second sensor GA responsive to a settable level of fluid in the device E, means responsive to operation of the sensors GB, GA whereby a controlled amount of fluid may be fed to the device E and the feed means, e.g. a pump C, then deactuated, and means whereby opening of an outlet valve J associated with the device E is enabled when feeding of the controlled amount has been sensed whereby that amount can be withdrawn from the device E for passage to the consumption or storage unit. The system also includes a second measurement device 11 to which fluid passes after having remained in the unit for a controlled period, sensor means G1 for sensing when a predetermined quantity of fluid has passed into the device 11 and therupon transmitting a signal to close a valve N in a line between the unit and the device U, means co-ordinating operation of the sensor means of the measurement devices E and U to ensure that a set cycle of operations is effected in a predetermined sequence, and first, second and third timers which respectively produce signals a predetermined time after initiation of withdrawal of fluid from the device E, after the fluid has been in the unit/patient for a predetermined time period, and a predetermined time after the commencement of passage of fluid to the device U. As described the sensors GA, GB, G1 and G2 are photo-electric devices which sense the liquid level in branch pipes of float chambers F, F2 connected to the measuring devices E and U respectively. As described the valve J is closed and fluid is supplied from reservoirs A to device E by a pump C. When sensor GA detects that the device E is filled to the desired level pump C is stopped and subsequently valve J is opened to allow fluid to flow under gravity via a heater M to the consumption or storage unit. The valve J is closed when sensor GB detects that device E is empty. After a dwell time valve N is opened and fluid flows from the unit to device U until sensor G1 is actuated to close valve N and open a discharge valve P. When device 11 is empty as detected by sensor G2 valve P is closed. Timing devices control the start of the cycle and the dwell time. The system is controlled by an electric or electronic circuit, both of which are described in detail, and this includes alarm devices which operate when the cycle is not followed or is interrupted. Means may be included to count the number of operations of the valves J and N.
Patent GB-835667-A (GB)
Title: Process for the preparation of aminodithiothiazoles
IPC: C07D277/78
Filed: 1958-08-18
Abstract: Secondary aminodithiothiazoles of formula <FORM:0835667/IV (b)/1> in which R and R1 are the same or different aliphatic, cycloaliphatic or aralkyl groups, or R and R1 together form a single ring with the N atom, and R2 is a 2-thiazole or arylene-2-thiazole radical are prepared by reacting a 2-mercaptothiazole or a 2,21-bis-thiazole disulphide with a secondary amine, an N-chloro secondary amine and sulphur in the presence of an alkaline reacting material such as an organic amine (e.g. an excess of the secondary amine reactant) or an alkali metal salt of carbonic acid.  A solvent may be used.  Reflux temperature is usual.  The products are rubber vulcanization accelerators.
Patent GB-377494-A (GB)
Title: Improvements in or relating to potato harvesting machines
IPC: A01D17/10
Filed: 1931-09-22
Abstract: 377,494. Harvesting potatoes. INTERNATIONAL HARVESTER CO., 606, South Michigan Avenue, Chicago, U.S.A.- (Assignees of Smith, L. E. ; Auburn Works, Auburn, New York, U.S.A.) Sept. 22, 1931, No. 26466. Convention date, Feb. 9. [Class 6 (iii).] Potato lifting devices are carried on a tractordrawn frame comprising an axle 10 supported on wheels 13, a longitudinal main beam 11, and a front transverse bar 12. The frame is connected to the draw-bar 16 of a tractor by a clevis 15, the power take-off shaft 20 of the tractor being connected to a shaft 61 mounted on the harvester frame by a universal shaft 64. The harvester carries two potato-lifting units, each comprising a frame formed of downwardlyextending side angle-bars 23, that at the front carry a digging blade 25. The potatoes lifted by each blade pass rearwardly on to a shaking chain 24 carried on sprockets or agitated rollers the chains being driven from a rear shaft 27. The bars 23 are carried at their forward ends by upwardly and forwardly converging bars 29 braced by bars 30. Each pair of bars 29 is secured to a member 31. Draught beams 33 are pivoted to the bars 29 and are pivotally connected to brackets 22 secured at the ends of the bar 12. Links 34, extend upwardly from each pair of beams 33 and are attached to a transverse part of a notched sector member 36 that is pivoted on the member 31 to which it may be locked by a latch 38. A hand-lever 39 with a latch 40 adapted to engage the notches in the sector is also pivoted on the member 31 and is provided with means for actuating both the latches 38, 40. The shaft 27 of one of the digging units is driven by a chain through a slip clutch from a shaft 50 that in its turn is driven by a chain-and-sprocket gear from a shaft 47 extending from the casing 45 of a change-speed gear mounted at the side of the digger unit. The shaft 50 is connected through a universal joint and extensible shaft with a countershaft that drives the corresponding shaft 27 of the other digging unit. The change-speed gear is driven through a shaft 65 from the shaft 61 connected to the power take-off shaft of the tractor. The control lever 63 of the changespeed gear is brought within reach of the operator sitting on the tractor seat 66.
Patent GB-185655-A (GB)
Title: Improvement in step-ladders
IPC: E06C1/16
Filed: 1921-10-07
Abstract: 185,655. Wrinch, B. T. Oct. 7, 1921. Ladders.-Step ladders of the openframe type and in which the supporting-frame is secured to the step portion by struts pivoted at both ends, have the supporting-frame loosely hinged to the top of the step portion. This hinge is formed by wooden strips C, D, secured to opposite sides of the supporting frame at different levels and adapted to embrace the back legs E of the step portion between them. The strip D is reinforced by an inner strip F adapted to fit between the sides of the ladder portion.
Patent GB-264261-A (GB)
Title: Improvements in the production of carbo-hydrate compounds
IPC: C08B9/00
Filed: 1925-10-24
Abstract: 264,261. Harrison, W. Oct. 24, 1925. Yarns and threads, treating with liquids. - Yarns, threads, &c. composed of cellulosic material are converted either partly or completely into an insoluble or partly insoluble xanthogenate by treatment with caustic alkali and carbon disulphide, and the xanthogenate is then oxidized by treatment with nitrogen trioxide or tetroxide, or with nitrous acid, or with a nitrite, in the presence of weak acids such as acetic acid.
Patent GB-386606-A (GB)
Title: A hemming or folding device for sewing machines
IPC: D05B35/02
Filed: 1932-09-26
Abstract: 386,606. Sewing-machines. SPENCE, BRYSON, & CO., Ltd., Clonavon Factory, and GRACEY, S., 49, Castle Street, both in Portadown, Northern Ireland. Sept. 26, 1932, No. 26639. [Class 112.] A folding device for hemstitch sewing- machines has a preliminary folder which shapes wide hems for entry into the folder proper. The preliminary folder comprises a curved plate 4 adjustably secured to one of the cloth tension rails 1 by a slot-and-screw, and a spring finger 6 also adjustably secured to the same tension rail. This tension rail is formed with a bend 1a for suitably attaching the tension devices 4, 6. The edge of the cloth is led over the plate 4 and under the bend of the tension rail 1. The finger 6 is positioned to bear on the top of the cloth at a suitable distance from the edge, after the manner of the operator's finger, to facilitate the folding of the cloth. The preliminary folded cloth then enters the folder 3 for sewing.
Patent GB-1207252-A (GB)
Title: Time division communication switching system
IPC: H04J1/05
Filed: 1968-06-05
Abstract: 1,207,252. Automatic exchange systems. INTERNATIONAL BUSINESS MACHINES CORP. 5 June, 1968 [15 Sept., 1967], No. 26679/68. Heading H4K. In a t.d.m. switching system employing resonant transfer filters in each line, a source of signals is available to anyone or any number of the lines simultaneously by way of a wideband filter. If the number of time slots in a multiplex cycle is X, the bandwidth of the wide band filter over which signals are drawn is X times the bandwidth fs/2 of the resonant transfer line filters, fs being the sampling frequency. The signals may be supervisory tones or may be the output of conference circuits as shown in Fig. 3. A conference circuit such as 330, comprises a wideband filter 305 accepting as many sidebands as there are time slots in the multiplex, a low pass filter 309 passing only the base band, an amplifier A, and a wideband filter 315. Wideband filter 305 is gated to highway 277 in the time slots of incoming lines and channels to the conference, while wideband filter 315 is gated to the highway in the time slots of the outgoing lines and channels to the conference. The system has incoming and outgoing local lines served by lowpass resonant transfer filters, and has incoming and outgoing frequency division multiplex lines the channels of which are served by bandpass filters giving resonant transfer over the highway, this system being described in Specification 1,057,259.
Patent GB-1217717-A (GB)
Title: Production of formaldehyde
IPC: C07C45/38
Filed: 1968-06-05
Abstract: 1,217,717. Formaldehyde. BADISCHE ANILIN. & SODA-FABRIK A.G. 5 June, 1968 [6 June, 1967], No. 26685/68. Heading C2C. A process for the production of formaldehyde in the gas phase by reaction of methanol with oxygen, in the presence or absence of steam, at temperatures of from 600-800‹ C. in contact with silver crystals arranged as a two-layer catalyst, the lower layer consisting of coarser particles than the upper layer, wherein the lower layer has a thickness of from 15-40 mm. and at least 50% of the crystals have particle sizes from 1À0 to 4À0 mm., and the upper layer has a thickness of 0À75 to 3À0 mm. and consists of crystals having particle sizes of from 0À1 to 0À9 mm., and wherein this catalyst is loaded with 1À5 to 3 metric tons of methanol per square metre of the cross-section of the catalyst bed per hour. Preferably, the catalyst loading is 2 to 3 metric tons of methanol per square metre of the catalyst bed per hour, and the process is carried out at a temperature of 650-750‹ C. The catalyst bed is suitably at least 0À5 metre in diameter. An oxygen methanol molar ratio of 0À3: 0À6 and a methanol conversion of 90- 97% are preferred. If the reaction is performed in the presence of steam then a 40-70% aqueous solution of methanol may be used.
Patent GB-1074834-A (GB)
Title: Improvements in or relating to roller driving mechanisms
Inventor: WEIGHELL ALAN WILLIAM
IPC: G09B25/02
Filed: 1964-06-27
Abstract: 1,074,834. Freewheel clutches. WEIGHBELL Ltd. June 25, 1965 [June 27, 1964], No. 26694/64. Heading F2C. A freewheel clutch for connecting coaxial driving and driven rollers 10, 12, e.g. of the teaching machine described in Specification 46338/63 comprises a nut 14, keyed to the roller 10 and threaded on a screw-threaded member 13 secured to the roller 12, having an axially projecting peg 18 engageable with a peg 17 on the roller 12 for drive in one direction of rotation, reverse rotation of the roller 10 causing the nut to move leftwards along the member 13 to disengage the pegs 17, 18. Renewed forward rotation of the roller 10 back to the angular position from which the reverse rotation commenced causes the drive to be re-established. The pitch of the screw-thread is greater than the overlap of the pegs when in driving engagement.
Patent GB-263577-A (GB)
Title: Improvements in and relating to the air supply for internal combustion engines
IPC: F02M35/02
Filed: 1926-05-19
Abstract: 263,577. Lindley, H. May 19, 1926 Air, treating with liquids. - An apparatus for cleansing the air supply of an internal-combustion engine comprises a box 2 having an air inlet pipe 6 depending from the upper wall 5, a well 11 for liquid 4 in the lower wall having sides 12 extending upwards towards the mouth of the inlet pipe 6 and terminating below its level and an outlet 10 from the upper part leading to the carburettor. The air impinges upon the surface of the liquid, e.g. oil or glycerine, where it is deflected, whereas, owing to their momentum, the solid particles of matter pass into, and are trapped by, the liquid. The inlet end of the tube 6 may be covered by filtering material such as gauze, and may be provided with a butterfly throttle valve or a rotatable ported valve 15, and the lower end may be of Venturi-form 18, and may be fitted with a. perforated end plate. The well 11 is preferably secured in position by a bayonet joint, and may contain an absorbent pad or a layer of thin grease covered with a film of liquid. The well may be of larger diameter than the inlet pipe 6 as shown in dotted lines at 13 and 14, in which case it may contain smaller wells or cylindrical baffles.
Patent GB-1171250-A (GB)
Title: Carpet Grippers
Inventor: JOHNSON ALAN GORDON
IPC: A47G27/04
Filed: 1967-06-09
Abstract: 1,171,250. Securing carpets to floors. GRIPPERRODS Ltd. 10 June, 1968 [9 June, 1967], No. 26759/67. Heading A4S. A device for securing a carpet to a floor comprises a base 11, apertured for securing screws 12, having carpet-engaging prongs 13, and having walls defining a recess 15, and a separate top piece T which has a clamping flange 20 and a rib 22, the rib being interengaged in the recess after the carpet has been impaled on the prongs. Interengaging shoulders on the rib and recess allow vertical adjustment and, in a modification, for location between two carpets, the inclined flange 24 is replaced by a second clamping flange. In further modifications, spring elements housed in the recess engage the recess and the rib, the rib is retained by resiliency of the walls of the recess, the recess is provided in the top piece and the rib on the base, or the carpet-engaging prongs have sharp points directed vertically upwards and, between the point and the rest, are inclined at an acute angle to the base.
Patent GB-915169-A (GB)
Title: Improvements in the feed mechanism of food slicing machines
Inventor: LUNDELL ARNOLD WILLIAM
IPC: B26D1/153
Filed: 1960-08-02
Abstract: 915,169. Slicing-machines. GLOBE SLICING MACHINE CO. Inc. Aug. 2, 1960, No. 26786/60. Class 28 (2). Relates to food-slicing machines having a gravity feed pusher 20 in the trough 6, 7. In order to prevent the pins 19 on the pusher from fouling the knife 8 or its guard plates 16, 17 when it is swung to inoperative position, a pin 22 on the hub of the pusher rides on a cam surface 21 on the lower bearing 14 for the rod 12 on which the pusher hub is slidable and which is supported in bearings 13, 14 on the plate 7 of the trough. Further, to prevent the pins from engaging a raised part 18 of the knife guard, a projection 25 on the hub engages an extension 27 of the plate 7, this extension being provided with a cam surface 28 over which the pin 22 can ride as the pusher is swung to its fully inoperative position where it is held by the engagement of a pin 30 with a projection 32 on the arm 4 which carries the trough 6, 7. A spring 29 cushions the upward movement of the pusher.
Patent GB-219548-A (GB)
Title: Improvements in the method of and apparatus for pasteurizing milk or other liquids
IPC: A23L3/18
Filed: 1923-10-26
Abstract: 219,548. Shepheard, E. A. Oct. 26, 1923. Sterilizing milk.-Milk to be pasteurized is heated. " held," and cooled under a vacuum. The milk passes from a receiving-tank B to one of two heaters A and thence through a heater C and filter D to one of three holding tanks E which are arranged for continuous operation in the ordinary way. From the tank E it passes through a cooler C' to storage tanks F and a filling-apparatus G. The vessels A, E and F are connected by pipes V to an air-pump capable of producing a vacuum of about 15 inches of mercury. The heater C and cooler C' overlap each other so as to provide a regenerative effect.