baber/WOPTO huggingface dataset:
Patent GB-1009468-A (GB)
Title: Improvements in or relating to photographic apparatus
IPC: G03B27/58
Filed: 1961-07-12
Abstract: 1,009,468. Controlling clutches. HALL, HARDING Ltd., and W. R. H. MOON. June 28, 1962 [July 12, 1961], No. 25313/61. Heading F2L. [Also in Divisions B4 and B6] A shaft 70 driving an intermittently rotating roller (see Division B6) and a guillotine (see Division B4) has a one revolution clutch comprising a boss 170 drilled with six holes on a pitch circle concentric with the shaft 70, the holes being fitted with hardened bushes 172. A cylindrical clutch body 174 is secured by a set screw 176 to the shaft 170, the body 174 being formed with a counterbored hole 177 parallel with the shaft 70 and an annular groove 178 near the end remote from the chain wheel. A spring-loaded clutch pin 179 having a chamfered nose 180 is disposed in a hole 177, the pin 179 being restrained against rotation by a keyway 184, Fig. 6. The pin 179 has a notch 186, Fig. 8, with an entry chamfer 187. A clutch knife 192, Fig. 9, pivoted at 194 rides in the groove 178. A chamfered edge 200 on the knife contacts the chamfer 187 before entering the notch to withdraw the clutch pin 179 and ,hold it withdrawn when the knife moves deeper into the groove. The pivotal movement of the knife 192 is effected by a cam plate 202 engaging a roller 204. A transverse pin 208 passed through the knife carries a tension spring 210, the other end of which is anchored to a pin 212 carried in a pivoted trigger 214 connected to the armature 220 of a solenoid 222. In operation, the solenoid 222 is momentarily energized by a microswitch, not shown, such that the trigger 214 is pulled down to disengage a nose 218 from pin 208, while the spring 210 pulls down knife 192 to disengage clutch pin 179 which is then urged forwardly by spring 188 and thereby engages the next bush 172 to drive the shaft 70. Cam roller 204 engaging cam plate 202 tilts knife 192 to raise the pin 208, such that it engages nose 218 so that the knife is held in a position to withdraw the pin 179. Specification 978,556 is referred to.
Patent GB-426179-A (GB)
Title: Improved torsion balance
IPC: G01V7/10
Filed: 1934-09-03
Abstract: 426,179. Indicating - apparatus. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ, 30, Carel van Bylandtlaan, The Hague. Sept. 3, 1934, No. 25373. Convention date, Sept. 13, 1933. [Class 106 (iv)] [See also Group XX] The oscillation period of an E÷tv÷s torsion balance is reduced to less than 1 minute by reducing the horizontal distance between the weights and the effect of short period vibrations is eliminated by using an indicating system of considerable inertia. Optical means for indicating the deflection of the beam consist of lamp 18, concentrating lens 19, reflecting prism 21, and a mirror 24 on the beam adapted to reflect the light ray back via prism 21 to a thermocouple 22 connected to a galvanometer. The couple 22 comprises two spaced junctions adapted to be differentially influenced according to the place at which the light ray impinges in the space between them. Due to the inertia of the galvanometer and couple 22 the arrangement is insensitive to small period oscillations.
Patent GB-1535814-A (GB)
Title: Synthetic testing apparatus for circuit breakers
IPC: G01R31/333
Filed: 1976-06-18
Abstract: In the test circuit, a high-current source (1), a first high-voltage source (3) which can be bridged by a first auxiliary switch (6), a second high-voltage source (4) which can be bridged by a second auxiliary switch (7), and the switch (5) to be tested are connected in series. To increase the performance of this circuit, a generator forming the high-current source (1) is connected into the test circuit directly or via a transformer stepping up the test current. During the time of current flow of the high-current source (1), the first high-voltage source (3) is connected into the test circuit in such a manner that, in the area of the zero crossing of the test current, its voltage increases the returning voltage of the high-current source (1) to a value which causes the second high-voltage source (4) to be connected into the test circuit for loading with voltage the switch (5) to be tested. <IMAGE>
Patent GB-136145-A (GB)
Title: Improvements in Apparatus for Concentrating or Washing Ores and for similar purposes.
Inventor: LESSER MARGARETHE
IPC: B03B5/72
Filed: 1919-10-17
Abstract: 136,145. Lesser, M. Dec. 2, 1918, [Convention date]. Separating by shaking-apparatus; separating on inclined endless bands.-Apparatus for concentrating ores and for similar purposes comprises an inclined travelling endless belt 10 provided with tensioning means 16 and with transverse riffles 18 and upstanding edges, the belt being driven by gearing 2 and the beltcarrying frame 8 being carried by springs 7 and reciprocated by an eccentric 5. Ore is fed to the belt by an adjustablymounted hopper 20 fed from a hopper 3 by means of an adjustable slotted plate 22 and scrapers 26. The heavy material is carried up by the belt and deposited on one side of a partition 29, while the light passes down and is deposited on the other side. The tank 1<a> in the drawing may be dispensed with.
Patent GB-1430544-A (GB)
Title: Data processing apparatus
IPC: G06F12/10
Filed: 1974-06-10
Abstract: 1430544 Data processing INTERNATIONAL BUSINESS MACHINES CORP 10 June 1974 [2 Aug 1973] 25608/74 Heading G4A In a data processing system of the type having a small capacity fast store and a large capacity slow store and operating as a paging machine, a programme being considered as a page reference string, a first list of the names of pages in accordance with a least recently used (LRU) criterion is maintained by assigning to each of the n pages used in a programme one of the integers 1 to n. As described the minimum memory capacity (MMC) for the pages of the string is determined by forming a second list. The first list comprises two portions, one associated with the small fast store and containing the pages assigned integers 1 to m and the second, associated with the larger store, containing the pages assigned integers m + 1 to n. In response to the referencing of a page to which, for example, the reference I is assigned in the first list the second list is divided into a first group of addresses having values 1 to l-1 and a second group having values l to m. The address k in the second group holding the last value integer C(k) is then determined and the series of addresses l, l+a, l+b ... between l and k-1 at which l+a is the smallest address greater than l such that C(l+a) < C(l) &c. and marked. The contents of addresses 2 to l-1 in the second list are then shifted to addresses 3 to l and the contents C(k) of address k shifted to address 2. The contents of the marked addresses are shifted to the next address in series, the contents of the highest marked address being shifted to address k. When a page exception occurs, i.e. a call for a page not in the fast store, e.g. the page assigned integers m+j, the page name is assigned to the first portion of the LRU list with integer 1. The page name to which integer m is assigned is transferred to the second portion and assigned the integer m + 1. All the integers in the first list which prior to the exception have the values 1 to m-1 are then incremented by 1 and all the integers in the second list which have values between m+ 1 and m+j-1 are incremented.
Patent GB-895712-A (GB)
Title: Improvements relating to transfer devices for articles
Inventor: NICKLIN JOHN BENJAMIN
IPC: B65G47/90
Filed: 1957-08-16
Abstract: 895,712. Charging and discharging furnaces. GIBBONS BROS. Ltd. Aug. 12, 1958 [Aug. 16, 1957], No. 25852/57. Class 51 (2). [Also in Group XXX] Apparatus for transferring metal articles 35 from rails 10 at the exit end of one continuous furnace to rails 11 at the inlet end of another furnace via a quenching tank 38 comprises a main pivoted arm 13 mounted on bushes 15 on a shaft 17, and a carrier member 20 pivotally mounted on a shaft 22 and formed with rails 21 forming an extension of the rails 10 or 11. The arm 13 is rocked by a motor 43 driving the shaft 17 through reduction gearing 44, and limit switches may be provided to start the motor when an article 35 reaches the end of rails 10, to stop it when the article is immersed in the quenching tank, or to prevent it starting until the previous article has moved away along rails 11. A hood 12 closing the end of rails 10 dips below the level 39 of liquid in the quenching tank which is surrounded by an overflow through 40 having a sump 42 where the liquid is cooled before being pumped back into the tank. Stabilizing girders or links 27, pivotally attached at 30 to each side of the carrier 20, engage stub shafts 28 suspended by rocker arms 32 and 33 from the shaft 17.
Patent GB-1097030-A (GB)
Title: Improvements in or relating to the synthesis of biochemical aldosterones
IPC: C12P33/00
Filed: 1966-06-10
Abstract: The invention comprises a compound of the formula <FORM:1097030/C2/1> wherein R soley represents a lower alkyl, R1 solely represents a hydrogen atom or a lower alkanoyl radical, or R and R1 combined together represents lower alkylidene or another molecule of the same 18-hydroxycorticosterone 18,20-hemiketal moiety, and a process for preparing aldosterone, 18-dehydroaldosterone or 9a  - hydroxy - 11b ,18 - epoxy - 4 - androstene-3,17-dione, which comprises treating corticosterone or an enzymatically acceptable 21-acylate thereof with an enzyme of Corynespora fungus, if necessary, followed by ketalation and/or acylation, treating the resultant compound of the formula <FORM:1097030/C2/2> wherein R and R1 are as defined above, with an acid or a mixture of an acid and an acylating agent of an enzymatically acceptable acyl radical, and treating the resultant 18-deoxy-aldosterone or an enzymatically acceptable 21-acylate thereof with an enzyme of a Corynespora fungus.  The 18,20-hemi-ketal compounds may be isomerized to form a compound of the formula <FORM:1097030/C2/3>
Patent GB-224238-A (GB)
Title: Improvements in or relating to electrodes used in electrolytic systems for the prevention of corrosion in condensers, boilers or the like
IPC: C23F13/18
Filed: 1924-10-30
Abstract: 224,238. Kirkaldy, A. Oct. 30, 1923, [Convention date]. Incrustation and corrosion, preventing.-Electrodes fitted in a condenser or the like are so supported that they may be changed in position in relation to the part of the condenser to be protected. An electrode 27 is secured to a bolt 25 surrounded by a tube 16 held adjustably in a hole in a wall of a condenser &c. by nuts 18, 19, which screw on the tube on each side of the wall. Bushings 14, 15 surround the part of the tube within the hole. A tube 22 of insulating material is placed between the bolt 25 and the tube 16. A collar 30 of insulating material and washers 31, 32 are placed between the electrode and the end of tubes 16, 22. The tubes are secured on the bolt by a nut 33 on the outer end of the bolt. The electrodes are preferably made of iron and are connected to the positive pole of a source of electricity, the negative pole being connected to the condenser shell.
Patent GB-1185124-A (GB)
Title: Process for the Alkylation of Halogenated Silicon and Tin Compounds
Inventor: BOISSIERAS JEAN
IPC: C07F9/22
Filed: 1968-05-30
Abstract: 1,185,124. Alkylated halo-tin compounds; alkyl zinc halides. RHONE-POULENC S.A. 30 May, 1968 [31 May, 1967], No. 25952/68. Heading C2J. [Also in Division C3] Halo-tin compounds are alkylated by reacting with an alkyl zinc compound in an amide of the formula O=P(NRR) 3  or R<SP>1</SP>CONRR, where R and R<SP>1</SP> are C 1-4  alkyl radicals and R<SP>1</SP> may also be hydrogen. At least one mole of amide per atom of zinc should be present. Suitable tin compounds are those of the formula R a <SP>2</SP>-Sn-X 4-a  where R<SP>2</SP> is a hydrocarbon radical which may be saturated or unsaturated, aliphatic or aromatic, or is an alkoxy radical, X is halogen and a is 0 to 3. Specified are SnCl 4 , CH 3 SnCl 3 , (CH 3 SnCl 2 , (C 2 H 5 )SnCl, (C 4 H 9 ) 2 SnCl 2 , (C 8 H 17 ) 2 SnCl 2  and Ph 2 SnCl 2 . The zinc compound may be a zinc dialkyl or alkyl zinc halide. The preferred amides are hexamethylphosphoryl triamide and N,N-dimethyl formamide. Reaction temperatures are generally from 10 to 120 C. and alkylation may be partial or complete. Examples 10 and 12 are relevant. Alkyl zinc halides are prepared by adding an alkyl halide to zinc in a hexa-alkylphosphoryl triamide, preferably in the presence of iodine or an alkyl iodide. This reaction may be carried out in situ with the alkylation of the tin compound.
Patent GB-1013769-A (GB)
Title: Improvements in cryogenic oscillators
IPC: H03K4/06
Filed: 1963-07-01
Abstract: 1,013,769. Superconductor circuits. GENERAL ELECTRIC CO. July 1, 1963 [July 30, 1962], No. 25953/63. Heading H3B. A cryotron oscillator includes a cryotron having its gate and grid controls connected in parallel branches across a current source and a bias magnetic field of constant intensity applied to the cryotron gate. As shown in Figs. 1, 2 two cryotrons 1, 2 are cross-coupled with the gate 5 of the second cryotron and the grid control 4 of the first cryotron forming one parallel branch and the gate 3 and grid control 6 of the first forming a second branch, the two branches being connected across constant current source 7, 8. In order to cause the circuit to oscillate a battery 9 in series with variable resistor 10 is connected across grid control 4, the battery being so poled as to oppose current flow from source 7 in the branch 4-5, and I 3  being greater than I 2 . To initiate oscillations switch 19 is closed to deliver a current pulse to coil 20 to render the gate 5 resistive. The current I from the constant current source now flows through the non-resistive branch 6-3 so that current I 2  in branch 4-5 decreases. However, as current I 2  decreases current I 4  in the control grid 4 increases due to the bucking action of supply 9, I 4 =I 3  - I 2 . Thus grid control 4 current produces a magnetic field around gate 3 which increases as the current through gate 3 increases and renders gate 3 resistive. The current I 1  in the branch 6-3 now decreases causing an attendant current increase in the branch including gate 5. This increase is due in part to the decrease in current through control grid 6 and part to the current I from source 7 redistributing itself through the branch including gate 5. When gate 3 becomes superconducting again the cycle is repeated. The battery 9 and resistor 10 may be replaced by a permanent magnet disposed in the proximity of cryotron 1, the effect of which is to establish a magnetic flux in opposition to the magnetic flux caused by the flow of current I 2  in grid control 4. The frequency of the oscillations is determined by the value of resistor 8 or alternatively by varying resistor 18 with switch 19 closed. Oscillators are stopped by closing switch 23 or applying large pulses to terminals 11, 12. One cryotron 1 may be used instead of two in which case gate 3 is coupled across supply 7-8 and the grid control 4 is returned to the supply through a resistance equivalent to the resistance of gate 5. The circuit may be used as a storage cell wherein a binary " 0 " is represented by the circuit oscillating and a binary " 1 " by the circuit not oscillating. Thus to read a binary " 0 " into the cell no inputs are applied to terminals 11, 12 and to read a binary " 1 " into the cell a pulse is applied to input terminals 11, 12 of sufficient magnitude to stop the oscillations. Cross-film cryotrons 1a, 2a, Fig. 3, may be employed in place of the coiled cryotrons.
Patent GB-966009-A (GB)
Title: Tube coating method and apparatus
IPC: B05C1/02
Filed: 1963-07-01
Abstract: 966,009. Coating-apparatus. AMERICAN CAN CO. July 1, 1963 [Dec. 5, 1962], No. 25961/63. Heading B2B. An apparatus for exteriorly coating rigid and semi-rigid containers having at least one end open comprises a rotatable application roll, means for supplying coating material to the outer face of said roll, a conveyer movable along a path of travel adjacent to and in spaced relation to said roll, and at least one pin projecting from said conveyer and having a free end over which a container can be slipped for conveying the container suspended thereon into engagement with the outer face of said roll, said pin being of materially less diameter than the diameter of said container and being located to pass one said roll in spaced relation thereto at least a distance greater than the thickness of the side wall of the said container to freely and unsupportedly drag said container across the coated face of said roll for free frictional rotation thereon to affix a film of said coating material to said container. As shown, a coating roller 17 is supplied by a train of rollers from tank 26 with coating material: a chain conveyer 11 carrying pins 15 on to which cans A can be slipped conveys the cans into contact with the roller, a plate 28 being so arranged that the ends of the cans abut against it and are thereby located by it so as to determine what proportion of the can body is coated and what proportion remains uncoated.
Patent GB-1069082-A (GB)
Title: Improvements in or relating to conveyor systems for particulate material
IPC: A01J25/11
Filed: 1962-08-01
Abstract: Particulate material, for example broken up cheese curd which is mixed with salt, is conveyed at a controlled rate to a delivery station by feeding the material into a drum (10) adapted to serve as a reservoir for the material, continually circulating the material within the drum so as to lift the material and cause it to drop back through the interior of the drum, extracting material from the drum at a controlled rate by a power-driven line conveyer (34) projecting into the drum and arranged to receive material dropping back through the interior of the drum, and feeding the extracted material to the delivery station.  The conveyer may be a vibratory conveyer.  The drum may be fitted with internal lifting vanes (26) and rotated to circulate the material, and may be inclined downwardly from its inlet end to its outlet end, which outlet end may be partially closed to prevent material passing through the outlet when the conveyer is inoperative.  At least one spiral vane (30) may be positioned between the lifting vanes and the outlet to feed material back towards the lifting vanes.
Patent GB-1449440-A (GB)
Title: Pharmacologically active 3-alkylxanthenes
IPC: C07D311/82
Filed: 1975-06-19
Abstract: 1449440 Derivatives of xanthen-1-ol SMITHKLINE CORP 19 June 1975 [24 June 1974] 26068/75 Heading C2C The invention comprises compounds of formula wherein R 1 , R 2  and R 4  are each H, Me or Et; R 3  is H or C 2-5  alkanoyl; R 5  and R 6  are each H or Me, provided that at least one of R 4 , R 5  and R 6  is not H; R 7  is C 4-8  alkyl; and the bonds in ring A are such that the compound is fully aromatic (Ia), or the 5,6,7,8-tetrahydro-(Ih) or 5,5a,6,7,8,8a-hexahydro-(Ic) analogue. The xanthenols (R 3  = H) are prepared thus: reaction of a 5-alkylresorcinol (II) with a 2-acylcyclohexanone gives Ib (possibly mixed with Ia), which may be dehydrogenated to Ia or hydrogenated to Ic; the products are converted to the esters (R 3  = alkanoyl), by reaction with the corresponding anhydride, the xanthenols being again obtainable by hydrolysis of the esters. Starting materials otherwise prepared are II- dimethyl ethers and their 5-(hydroxyalkyl) and -alkenyl analogues. Therapeutic compositions having C.N.S. depressant, sedative and tranquilizing activity, and possibly also analgesic, gastric acid secretion inhibitory, anticonvulsant and antiarthritic properties, comprise compounds of the above formula, and may be administered in conventional dosage forms.
Patent GB-665738-A (GB)
Title: Improvements in or relating to the control of feed mechanisms for machine tools
IPC: G05B19/06
Filed: 1947-09-26
Abstract: 665,738. Milling-machine details. VICTORIA MACHINE TOOL CO., Ltd., and FRYE, J. Sept. 27, 1948 [Sept. 26, 1947], No. 26152/47. Class 83 (iii). [Also in Group XXXVII] Power feed-control apparatus for a milling or other machine-tool comprises manual control elements by operation of which speed and direction of the power feed is controllable, automatic control elements mounted in the part of the machine which moves for the feeding and arranged to control the speed and direction of the power feed over a given cycle of movement of the part and selector means having a manual control setting and an automatic control setting in which the manual control elements and the automatic control elements respectively are operable to control the power feed. The work-table of a milling-machine is reversibly traversed at high or low speeds by the alternate operation, of two electric motors which may drive power transmission mechanism as described in Specification 596,147, [Group XXIV]. The motors may be placed under the control of a number of push-buttons 1p-5p which are selectively operable to provide the desired speed and direction of movement of the work-table, or, upon the operation of a selector switch 9, a predetermined cycle of operation may be automatically afforded through the agency of mechanism, similar to that described in Specification 596,207, [Group XXXVII], comprising a number of cams 1-5 which are carried on the work-table and which are adapted successively to engage a vertical plunger 7 and move it to different positions. Cam-operated movement of this plunger to any selected one of a number of positions and back again to normal establishes a selected circuit and breaks any circuit which was made in response to a previous movement. The speed and direction of movement of the work-table is automatically determined by the cam which has last operated the plunger, the desired cycle of operation being afforded by appropriate positioning of the cams. With the selector arm 9 in the " manual control" position a " prepare-start " push-button 10p must normally be depressed before operation by means of the other buttons can be effected. In the case of quick traverse, operation continues only while the appropriate button is depressed, slow feed is stopped by actuation of button 4p, or by limit switches. Re-starting necessitates operation of button 10p. For automatic operation, button 10p is depressed and is then covered by the arm 9. A light 11 indicates operation of push-button 10p. The push-buttons and cams carry insignia indicating the type of operation afforded thereby. Slow movement is shown by arrows, quick traverse by lightning flashes. Fig. 3 is a diagram of the electrical circuits involved (see Group XXXVII).
Patent GB-1064393-A (GB)
IPC: F22B37/14
Filed: 1964-06-25
Abstract: 1,064,393. Furnace tube walls. BABCOCK & WILCOX CO. June 25, 1964 [June 27, 1963], No. 26298/64. Heading F4B. A fluid-tight tube wall is sealed to a flush surface presented by a furnace floor by welded sealing means between the floor and a flush surface presented by fillers secured to the tubes of the wall. Filler strips 61, Fig. 4, having grooves to accommodate the wall tubes 11A, are sealed to filler strips 65 mounted on the floor tubes 15A by welding sealing strips 63, 64 into the space between the fillers 61, 65. Special filler blocks (67, 69, 70) accommodate the displaced end tube (11T) of the wall (Fig. 2, not shown). The side walls are sealed to the edge tube of the floor by two welds between it and filler blocks which form a plane surface with part of the side tube surfaces. Refractory material may be packed above the seal and around studs 58 on the floor and wall tubes.