baber/WOPTO huggingface dataset:
Patent GB-1339964-A (GB)
Title: Ring trip in telecommunication systems
IPC: H04M19/02
Filed: 1971-04-19
Abstract: 1339964 Automatic exchange systems INTERNATIONAL STANDARD ELECTRIC CORP 19 April 1971 [28 March 1970] 25227/71 Heading H4K A ring-trip detector operates in accordance with the excursions of the ringing current waveform with respect to a reference threshold, the positive excursion above the threshold being small for an open loop but being large for the closed loop of a replying subscriber due to the changed level of D.C. in the loop. As shown in Fig. 5, each of a group of line supervisory circuits SD1 to SDn comprises a bridge between battery feed and line legs and provides a respective indication Y1 to Yn which is negative for an open loop and positive for a closed loop. A scanner by sequential enablement of polarity indicating gates AE1 to AEn times the excursions above and below zero of each of the Y1 to Yn indications should any such be reflecting the presence of ringing current. If a Y-indication is positive, each of the consecutive scans during the period causes unity to be added to a timing count in a line individual store HspZ circulated for the addition by way of buffer store Zsp. When a Y-indication is negative unity may be added to a Y-negative timing count so that if, in one cycle of ringing current, the Y-positive count exceeds the Y-negative count, ring trip is effected. A Y-positive count may be reduced by unity at each scan of Y-negative so that ring trip is effected if a positive remainder exists at the end of a ringing cycle. Instead of making the decision to trip ringing within one cycle of ringing current, the positive remainders from successive cycles may be accumulated into the current count until that count exceeds a set number in a comparator COM.
Patent GB-847077-A (GB)
Title: Milling cutters
Inventor: HOUNSOME JAMES THOMAS
IPC: B23C5/22
Filed: 1956-08-17
Abstract: 847,077. Milling-cutters. BEGLE, H. E. Aug. 7, 1957 [Aug. 17, 1956], No. 25261/56. Addition to 667,936. Class 83 (3). In a milling-cutter according to the parent Specification, detachable wedge-members 7, 71 engage both plane surfaces of each octagonal, rectangular, triangular &c. inserted blade 2. As in Specification 695,778, the edge of each blade bears against a ring 8 and a disc 9 on the cutter. Alternate wedge-members 7<SP>1</SP> are shorter, in the direction of wedging, than the others, to facilitate the clamping-action, effected by screws 17.
Patent GB-283293-A (GB)
Title: Improvements in or relating to lubricating devices
IPC: F16C1/24
Filed: 1926-10-11
Abstract: 283,293. Lister, J. R. Oct. 11, 1926. Channels and reservoirs in Bowden-wire mechanism.-A lubricating device for a cable working within a sheath comprises a barrel portion a having a screwed extension d at one end adapted to receive a cap d<1>, and an extension member j adjustably screwed into the other end of the member a, the member j being provided with a lock-nut v. The outer end of the member j receives a cap p. The sheath i is removed from the cable c at the place where the device is to be placed, the ends of the sheath being inserted in bores in the caps d', p, while the cable extends through all the members. Packing u in the caps surrounds the ends of the sheath. When the parts are assembled, the ends of the sheath enter recesses h, n in the ends of the members a, j. Lubricant is supplied to the interior of the barrel through a nipple b<1>.
Patent GB-206970-A (GB)
Title: Improvements in or applicable to the rear wheel mud-guard and brake mechanism of bicycles and the like
IPC: B62J15/00
Filed: 1922-09-19
Abstract: 206,970. Raleigh Cycle Co., Ltd., and Ivens, J. B. Sept. 19, 1922. Mud - guards ; brake mechanism.-For fitting a brake yoke E to the rear wheel of a bicycle &c. having the front end of the mud-guard A carried down some distance below the chain stays, the reduced portion C of the guard. is extended for a short distance below the stays and the yoke is arranged' about this extension, one leg of the yoke being cranked as at G so that it will work between the guard and a gear case F, when fitted.
Patent GB-642874-A (GB)
Title: Improvements in and relating to stencil duplicating machines
IPC: B41L13/10
Filed: 1948-09-29
Abstract: 642,874. Stencilling apparatus. GESTETNER, Ltd., and GESTETNER, S. Sept. 29, 1948, No. 25405. [Class 100 (ii)] Means for facilitating the securing of stencils to the stencil carriers-of duplicating machines comprises a plurality of bars 3, 14, spaced apart in parallel relationship to each other and to the axis of rotation of an inking cylinder, over and under which bars the stencil sheet 19 and backing sheet 18 are caused to pass when the heading 17 of the backing sheet is engaged by the stencil-fastening means 20, so that by setting the machine in motion the stencil and backing sheet will be drawn over and under the bars until they have completely passed between them and the stencil has been smoothly applied to the carrier. The heading 17 is perforated to engage the fastening means 20. The bar 3 is fixed, being secured at each end to an end member, the end member 1 being detachably secured to one of the side members of the machine frame by means of keyhole slots 4 engaging a headed pen 5 and a pin 6, and the other end member having a web extending to a lug furnished with a plain slot to engage about a conduit for the leads to an electric lamp: The bars 14 are secured at their ends to members 13 hingedly connected by screws 12 to the end members, An element 15 secured to the bars 14 intermediate in their length facilitates the displacement of the members 13, whereby the bars 14 are movable away from the bar 3 for insertion of the sheets, and towards it to hold the sheets against the bar 3.
Patent GB-1364043-A (GB)
Title: Containers
IPC: B65D85/67
Filed: 1971-08-24
Abstract: 1364043 Roll holders A G SHNORK 24 Aug 1971 [27 May 1970] 25425/70 Heading A4G A container e.g. of transparent, flexible, resilient plastics or rubber for holding a roll 25, Fig. 2 of paper tape which is to be dispensed, is shaped in the form of a flat bottle the large walls 14, 16 which are slightly convex and the top of which has a threaded neck 22 with a slot 36 cut through the neck and across the top 24 whereby, on squeezing the end-walls 18, the slot opens and a roll can be inserted, the slot closing on releasing the pressure. To dispense the tape as a spill, the tape is taken from the centre of the roll and passed through a nozzle 28 in a cap 30 which is screwed on to the neck.
Patent GB-804141-A (GB)
Title: Phosphorus-containing esters containing sulphone groups and a process for their production
IPC: C07F9/40
Filed: 1955-09-05
Abstract: The invention comprises compounds of the general formula <FORM:0804141/IV (b)/1> wherein R, R1 and R2 each represents a lower aliphatic radical having from 1 to 4 carbon atoms and n is an integer from 1-4 and a process for the production of compounds of the general formula <FORM:0804141/IV (b)/2> in which R represents an alkyl, aralkyl or aryl radical, n is an integer from 1 to 4, X represents an oxygen or sulphur atom or a direct C-P bond and Y represents an oxygen atom or X represents an oxygen or sulphur atom and Y represents a sulphur atom, and R1 and R2 represent lower alkyl radicals containing from 1 to 4 carbon atoms which comprises oxidizing an ester of the general formula <FORM:0804141/IV (b)/3> in which R, n, X, Y, R1 and R2 have the meanings given last above, in an aqueous solution with an alkali metal permanganate in the presence of such an amount of an acid that a substantially neutral solution is obtained after the oxidation. Where the thioether starting materials are sparingly soluble in water aqueous dioxane or acetone, suitable organic water-soluble solvents or aqueous organic solvent mixtures may be employed as reaction medium.  In examples, b -ethyl-sulphonyl-ethyl phosphonic acid diethyl ester is obtained by dropping b -ethyl mercapto-ethyl phosphonic acid diethyl ester into aqueous potassium permanganate solution acidified with sulphuric acid (1); similarly are obtained ethyl-sulphonyl-methyl phosphonic acid diethyl ester (2); b -ethyl sulphonyl-ethyl phosphorothiolic acid diethyl ester (3); ethyl-sulphonyl-methyl-phosphorothiolic acid diethyl ester (4), ethyl-sulphonyl-ethyl-phosphorothiolic acid dimethyl ester (5), phenyl - sulphonyl - ethyl - phosphorothiolic acid diethyl ester (6), b -ethyl-sulphonyl ethyl phosphoric acid diethyl ester (7) and b -ethyl-sulphonyl-ethyl-phosphorothionic acid diethyl ester are obtained by similar processes for oxidizing the corresponding thio ether esters.  Additional compounds prepared by analogous processes from the corresponding thioether esters are b -methyl and b -ethyl-sulphonyl-ethyl phosphorothionothiolic dimethyl esters, b -ethyl-sulphonyl-ethyl phosphorothiono-thiolic diethyl ester and b -ethyl-sulphonyl-methyl-phosphorothionothiolic dimethyl ester.  Starting materials of the kind defined above in which X represents a direct C-P bond may be obtained by reacting chloroalkyl alkyl thioethers with sodium dialkyl phosphites.  Specification 697,120 and German Specifications 786,692, 830,509, 871,448 and 876,691 are referred to.
Patent GB-480619-A (GB)
Title: Improvements in or relating to friction lighters
IPC: F23Q2/40
Filed: 1936-09-18
Abstract: 480,619. Frictional pocket igniters. WADA, S. (Kabushiki Kaisha Namika Seisakusho) Sept. 18, 1936, No. 25454. [Class 75 (iii)] A dry tinder cord or wick b is raised or lowered by means of a spur wheel g mounted in the outlet tube c and operated by a handwheel h having a portion of its periphery extending outside the container a. A pivoted cap e is provided to cover the friction-wheel d and the exposed end of the cord. The removable hollow base is fitted with a pivoted lid k to serve as a receptacle for spare flints.
Patent GB-421842-A (GB)
Title: Improvements relating to grates for steam generators
IPC: F23H7/00
Filed: 1933-09-15
Abstract: 421,842. Furnace grates. GIBSON, S. S. C., Electricity Works, Coton Road, Nuneaton, Warwickshire. Sept. 15, 1933, No. 25579. [Class 51 (i)] In an underfeed stoker grate in which troughs housing reciprocating feeders alternate with downwardly inclined rows of tuyere blocks a, each of the latter is formed with a hollow b, inclined air passages f, and T-slots for engagement with key-members m secured to the grate-supporting frame i. The blocks are provided, at their respective ends, with interengaging projections and recesses d, e, and on their upper faces with a central ridge g. The air passages f are so disposed that they are substantially horizontal when the blocks are assembled, with the end passages of one block registering with the end passages of the adjacent blocks. Additional passages h are provided for the delivery of air from the passages f and hollow b to the troughs between the rows of blocks. The key-members m, engage, as shown in Fig. 7, in the slots c of an abutting pair of blocks except in the case of the uppermost block, the latter being thus readily removable to permit the remaining blocks in the row to be slid upwardly to enable any defective block to be lifted out and replaced.
Patent GB-1356001-A (GB)
Title: Recording machine
IPC: G06K5/00
Filed: 1971-04-19
Abstract: 1356001 Data reader and punch INTERNATIONAL BUSINESS MACHINES CORP 19 April 1971 [1 April 1970] 25606/71 Headings G4M and G4H A data reader and punch has a punching, reading and printing section, a keyboard and a control section for data entry, card feed and for punching, reading and printing operations containing a delay line memory. In operation an initializing signal resets control latches and writes keyboard flags for, e.g. 96 columns of data circulating in the delay line (Fig. 4, not shown). The delay line includes an 8 bit shift register arranged to hold all the data for one column. Data can then be entered from the keyboard, during which data previously present in the delay line and the keyboard flags are successively erased and a column indicator is incremented. On entry of data the 96 columns are punched into a card fed from a hopper to a punch position. A latch is set, punch flags and new keyboard flags are written into the column positions of the delay line. The presence of the card is detected to stop feed from the hopper and the card is moved against a registration stop. The card is then intermittently advanced in synchronism with the punching operation and the punch flags are erased. The cards carry three tiers of data and entry into each tier is under the control of three respective latches for columns 1-32, 33-64 and 65 to 96. After punching print flags are written in each column and the data is printed in a similar manner in three tiers. After printing the card is verified by recording read flags in each column in the memory and reading each punched column of the card and storing the data read. Data from the original source is then re-keyed and if the two sets of data correspond for each column the card is notched. If an error occurs the keyboard is locked. Two further re-keyings are attempted and the third rekeying changes the data in the delay line and writes an error flag. The card is not notched and a new card is punched. The read operation can be used to enter a new control program into the delay line. An auto strip control can be used to jump 2 several columns if required. Control circuitry for the various operations is described.
Patent GB-338235-A (GB)
Title: Improvements in or relating to oil burners
IPC: F23D11/10
Filed: 1929-08-23
Abstract: 338,235. Fifer, A. J. J. Aug. 23, 1929. Spray burners; vaporizing-apparatus.-Crude or heavy oil with or without light oil is.supplied through one or more pipes 4 in a film to a circular convex or conical surface 11 and mixes with air supplied through a central passage 2 in the burner head 1 to a hood 15 arranged above the surface 11. The oil and air mixture then mix and burn with additional air supplied through an annular passage 18 between the burner head 1 and a casing 21. The casing 21 is shaped to form a sump 22 provided with holes 23 for draining away unignited oil. In Fig. 1 the pipes 4 are shown supplying oil to an annular channel 6 in the burner head from which the oil flows through channels or grooves covered by a thin plate 12 to a smooth portion 10 of the surface 11 where it is met by the air issuing through the space 17 between the burner head and the edge of the adjustable hood 15. In Fig. 4 the burner head is shown formed of three parts 1, 24. 25 and the oil is supplied by a pipe 4 to a channel 34 from which it passes through an annular space between the parts 1, 24 to the surface 11. The removable hood 15 is formed with spaced distance pieces 26 resting on the part 25 and has a conical surface 30 opposite the surface 11. The burner is ignited by a gas flame or burning waste placed in or adjacent the sump 22. The air may be supplied under natural or forced draught and the oil may be supplied under a pressure head or, by an adjustable wick arranged in the passage 2.
Patent GB-1512983-A (GB)
Title: Shoeing of equine animals
IPC: A01L3/00
Filed: 1976-06-04
Abstract: 1512983 Shoeing horses A S SILVERMAN 4 June 1976 [17 June 1975] 25805/75 Heading AIM A plastics horseshoe having an upstanding flange to overlie the side wall of the rear of a hoof is attached to a hoof by rivets 22 extending through holes in the flange and holes formed in the hoof at the rear of the side walls, the holes extending through the bars of the hoof. As shown, the shoe comprises an angled strip of extruded plastics, the portion providing the bearing surface 14 having notches therein to allow the strip to be bent into a horseshoe shape. Alternatively the shoe may be of traditional shape with upstanding flanges at the two sides of the heel and at the toe, and may be of moulded rubber or synthetic plastics (Figs. 10-14 not shown). Threaded rivets with screws or headed bolts with nuts may be used instead of rivets 22.
Patent GB-954432-A (GB)
Title: Biaxial orientation of polyolefin film
Inventor: UNDERWOOD WILLIAM FREDERICK
IPC: B29C48/03
Filed: 1960-07-27
Abstract: Crystalline biaxially oriented polyolefin film is obtained by first extruding the polyolefin in the form of a seamless tube which is cooled and collapsed, and is then reinflated by a second isolated gaseous bubble while heating and drawing. Specified polyolefins are the homopolymers, copolymers and terpolymers of C2 to C20 olefins, in particular polyethylene, polypropylene and a copolymer of 4-Me-1-pentene and 3-Me-1-butene. The film finds application in packaging. Specifications 471,590 and 654,550 are referred to.
Patent GB-973790-A (GB)
Title: Drill assembly
IPC: E21B10/32
Filed: 1963-07-02
Abstract: 973,790. Boring earth &c. J. LABROSSE. July 2, 1963 [July 17, 1962], No. 26226/63. Heading E1F. A drill head comprising a body 37 has cutters 43 movable in grooves 39, the arrangement permitting the cutters to be retracted radially during removal of the head from a hole. Flushing liquid is supplied to the head by a passage 62 in a connector 38, the passage through the head being controlled by a non- return valve 60, 61.
Patent GB-1308575-A (GB)
Title: Pressure operated layered electrical switch and switch array
IPC: H01H13/807
Filed: 1971-04-19
Abstract: 1308575 Mechanical switches; fluid-pressure operated switches DATA APPLIANCE CORP 19 April 1971 [30 April 1970] 26235/71 Heading H1N In an electrical switch of the flexible pad type for operation by a moving stylus, pencil, fluidpressure &c. localized contact is made between flexible conductive layers 3, 5, Fig. 3, in the region of apertures 12 in rigid separators 4, at which slotted regions 17, 17a in a non-compressible flexible layer 6 above the conductive layer 5 and which deflect in a cantilever manner. The assembly may be covered and sealed by a further layer 7 of the flexible protective material above which a fourth layer of paper 8 may be placed having marks to delineate the apertured regions and which is also capable of being marked by a stylus or pencil. In a modification, Fig. 6 (not shown) more than one conductivity layer may be arranged, one above the other, for simultaneous closure of more than one circuit. The flexible conductor layers may be of a woven or knitted fabric of conductive material or synthetic fibres coated at least in parts with silver or chromium of insufficient thickness to reduce the flexibility. Selected coated areas may also have the coating subsequently removed by solvents. Alternatively strips of conductive and non-conductive fabrics may be attached together by sewing, adhesives. The switch may also be used as a fluid-pressure responsive switch.
Patent GB-228090-A (GB)
Title: Improvements in cleaning machines for tin plates
IPC: B24B31/10
Filed: 1924-11-04
Abstract: 228,090. Rees, D. J., and Cole, J. H. Nov. 4, 1924. Cleaning. - To complete the cleaning of the under surface of a tin plate b issuing from a branning-machine a, the plate b is brought' into forcible contact with the periphery of a covered roller h moving in a direction opposite to that of the plate. The roller h is interposed between the usual .delivery rollers f and additional rollers g which divert the plate towards the horizontal and also bring the plate b into forcible contact with the roller h. The roller h presses against one of the rollers g and is frictionally driven thereby and is freely journaled in an inclined slotway t in the frame extension a<1> so that' it presses by gravity against the roller g. The rollers f, g, h may be constructed as described in Specification 224,829.
Patent GB-718033-A (GB)
Title: Apparatus for attachment to two-cylinder rib knitting machines for making fancy stitch hosiery
IPC: D04B9/10
Filed: 1951-11-13
Abstract: 718,033. Knitting-machines. GODIER, R. Nov. 13, 1951 [March 22, 1951], No. 26551/51. Class 74 (2). A pattern mechanism for attachment to a superposed cylinder machine to increase its range of fancy knitting, comprises a frame having pivoted therein an auxiliary pattern drum 26. The frame is mounted so that the shaft 25 of the drum 26 is aligned with the main pattern drum shaft 28 and is slidable axially by a cam 42 on the end of the shaft 28 against a return spring 43. There are three axial positions of the drum 26, bringing sets of cams 31, 32 or 44, 45 into operation on follower arms 33, 34, or bringing all cams clear of the followers and the ratchet wheel 30 on the shaft 25 clear of its operating lever 17 to stop the auxiliary drum. A friction bearing 46 prevents displacement of the arrested drum.
Patent GB-518983-A (GB)
Title: Improvements relating to the bubble caps of distilling, fractionating and like towers and to the flow of fluids therethrough
IPC: B01D3/20
Filed: 1938-09-12
Abstract: 518,983. Treating gases with liquids. STANDARD OIL DEVELOPMENT CO. Sept. 12, 1938, No. 26608. Convention date, Dec. 24, 1937. [Class 55 (ii)] A bell cap assembly in a distillation tower maintaining a constant velocity of gases through the bubble caps comprises an upwardly flanged aperture 6, a stationary cylindrical ring 3 with slots 8 in its walls round the aperture and a movable cap section 2 with a skirt portion slidably embracing the exterior of the ring and moved by the pressure of the upflowing gas to uncover a greater area of the slots when the gas pressure increases. The weight of the cap may be sufficient to balance the gas pressure or a weight 4 may be added. A screw 9 on the cap engages one of the slots to limit upward movement of the cap. A spring 5 on the cap 2 may engage the top of the ring 3. Caps 24 may be attached to a rod 25 which varies the open area of the slots by a motor 30 controlled by a manometer 31 measuring the pressure difference across the bell. The movable cap may have slots and be rotated to vary the area of opening of the slots 8.
Patent GB-616485-A (GB)
Title: Improvements in or relating to rotary air compressors
IPC: F04C29/12
Filed: 1946-09-06
Abstract: 616,485. Check valves. ANDREWS, T. D. H. Sept. 6, 1946, No. 26785. [Class 135] [Also in Group XXVI] The delivery of air from a rotary compressor passes through a number of holes 13 and past non-return valves 14, which are part-spherical. Their outward movement is restricted by a perforated plate 15.
Patent GB-309964-A (GB)
Title: Improvements in and relating to nitrocellulose products and the like
IPC: C08J3/215
Filed: 1927-10-11
Abstract: 309,964. Jenkins, W. J., and Imperial Chemical Industries, Ltd. Oct. 11, 1927. Plastic compositions.-Nitrocellulose products and the like, such as cellulose acetate, are coloured, for example for the preparation of pigmented celluloid, by incorporating the colour with the product whilst either or both of these ingredients are in the water wet condition, with or without the addition of a plasticizing agent or a softening agent or both plasticizing and softening agents, the water being substantially removed during the incorporation process by rolling between the rollers at a suitable temperature. Coloured lacquers or enamels can be made by treating the substantially dry products obtained with suitable solvents, resins or similar substances being added, if desired. By this incorporation process, the pigment is ground down to the degree of dispersion necessary to give a material of high gloss simultaneously with the substantial removal of the water present initially. Water may be introduced with any or all of the constituents. In examples, mixtures comprising wet nitrocellulose, tricresyl phosphate and a water paste of monolite scarlet or wet nitrocellulose, linseed oil and prussian blue containing water or wet nitrocellulose, linseed oil, tricresyl phosphate and prussian blue containing water are ground on warm rolls until the water is removed and the pigment ground to the correct degree or dispersion. The resulting masses give enamels of high gloss and good covering power when dissolved in appropriate solvents. Heated or cold rollers may be employed in the incorporation process and gelatinized nitrocellulose such as film scrap, or unpigmented celluloid may be used as well as ungelatinized nitrocellulose. Reference has been directed by the Comptroller to Specifications 247,288 and 293,485.