baber/WOPTO huggingface dataset:
Patent GB-151559-A (GB)
Title: Improvements in automatic telephone station
IPC: H04M17/02
Filed: 1920-03-27
Abstract: 151,559. Long, G. A. March 27, 1920. Hiring telephones.-A coin-freed substation equipment for use on an automatic telephone exchange comprises coin-operated means for removing from the microphone a short-circuit closed when the called subscriber answers, and means by which coins of different values transmit different audible signals to an exchange operator when a toll-line connexion is required. When the called party answers, the current in the calling line is reversed and a magnet is energized to move the arms 33, Fig. 5, to the dottedline position, shifting a lever 26, which hangs from a contact spring 25, so as to close contacts which short-circuit the microphone and bridge a resistance across the receiver. To render conversation possible a coin must be inserted in the aperture 11, Fig. 1, at the top of a shoot 8. As the coin passes a recess 27 it trips the lever 26 and disengages a lug 31 from an extension 32 of the arm 33, allowing the closed contacts to open again. When a toll-line connexion is required, the subscriber operates an extra finger-hole 20, Fig. 1, of his calling dial, and thereby becomes connected to an exchange operator, who, on learn. ing what connexion is required, instructs him to deposit certain coins. Coins of different values are inserted in apertures 11, 12, 13, Fig. 1, at the top of shoots 8, 9, 10, Fig. 3. The shoots 8, 9 have their lower part in common and are so arranged that a coin in the shoot 8 strides a beil 15 once, while a coin in the shoot 9 strikes it twice. A coin in the shoot 10 gives a single stroke on a gong 16. These signals are transmitted to the exchange by their effect on the transmitter 6, Fig. 1. The operator can either collect or return the deposited coins in known manner. A connexion to the trunking-operator does not result in the reversal of the current in the calling line, and non-reversal may also be arranged for in the case of local calls to a police or fire station, &c., so that such calls are free of charge.
Patent GB-994442-A (GB)
Title: Improvements in or relating to the dewatering of fibrous pulp layers
IPC: D21G9/00
Filed: 1962-03-08
Abstract: 994,442. Dewatering of wound pulp layers. BELL MASCHINENFABRIK A.G. March 8,1962 [March 8,1961], No. 9044/62. Heading D2A. A process for dewatering fibrous pulp layers being wound on a press roll 1 comprises squeezing the first layer 4 of fibrous pulp between a press roll 1 and a driving roll 2, applying an increased pressure after the first layer has been wound, and possibly also after the second layer has been wound, the winding being then continued to form a plurality of layers on the roll 1 and thereafter reducing said pressure when the wound up roll is cut axially by a knife 6 and removed from the press roll as a multi-layer pulp mass 16. As shown a belt 3 brings the layer 4 of fibrous pulp to a position between the rolls 1, 2, and the press roll 1 is loaded by a pressure medium 20 acting on a piston 11. After the press roll 1 has been covered with one fibrous layer 4, and possibly again after it has been covered with a second of said fibrous layers, as determined by a time switch 5, the switch 5 automatically causes said one or more increases in pressure to be applied. At the end of the winding operation the time switch 5 causes the cutting means 6 to cut the wound material off the roll 1 and, at the same time, to connect the cylinder 10 to a compensating chamber 21 having a pressure relief valve 22 for reducing the pressure on the piston 11. The process is then repeated.
Patent GB-1106573-A (GB)
Title: Improvements in or relating to methods of producing water-soluble polyacrylamide
Inventor: ABKIN ABRAM DAVYDOVICH
IPC: C08F20/56
Filed: 1966-03-02
Abstract: Water-soluble polyacrylamide is produced by polymerizing acrylamide in the absence of air in an aqueous solution containing 1 to 24% NH3, by weight of the acrylamide, dissolved in the said aqueous solution, using nuclear radiation or a free radical initiator.  In examples, the initiators used are g -radiation and ammonium persulphate.  The polyacrylamide is used as a flocculant (see Division C1).ALSO:A clay suspension is flocculated by addition of an aqueous solution of polyactylamide, which is produced by a method giving it superior flocculating properties (see Division C3).
Patent GB-1394123-A (GB)
Title: Light fixture
IPC: F21V19/00
Filed: 1972-02-28
Abstract: 1394123 Lighting fitting ESQUIRE Inc 28 Feb 1972 [16 Nov 1971] 9174/72 Heading F4R A lighting fitting of the floodlamp type includes a first socket 21 for engaging the non- electrical end of a lamp having a surface or surfaces 30 covered with a heat-insulating and cushioning material 37 which diverge outwardly in a generally conical form to contact the non- electrical end of the lamp at its circumference but not at its centre. Preferably the heatinsulating and cushioning material 37 of the first socket is asbestos and a second socket for receiving the electrical end of the lamp is mounted in the lighting fitting housing 11 opposite the first socket 21, the two sockets being relatively movable to permit insertion of a lamp. As shown the first socket 21 comprises a metal casting body 28 having a threaded tubular base 29 from which extend three symmetrically disposed asbestos-covered fingers 30. The socket 21 is mounted on a threaded pin 31 extending from a plate 33 secured to the housing. Both sockets extend through apertures 23 at the edge of horizontally and vertically curved reflector 19. The end of the lamp passes between adjacent fingers 30 of socket 21 to minimize the movement of the socket necessary to mount the lamp.
Patent GB-834231-A (GB)
Title: Phenanthridinium compounds
Inventor: WRAGG WILLIAM ROBERT
Filed: 1956-03-23
Abstract: The invention comprises the trypanocidal acid addition salts of p-amidinophenyldiazoaminophenanthridinium salts represented by the formula <FORM:0834231/IV (b)/1> wherein one of R1 and R2 represents a p-amidinophenyldiazoamino group, and the other an amino or a p-amidinophenyldiazoamino group, or a hydrogen atom, R3 represents a phenyl, p-nitrophenyl or p-aminophenyl group, R4 represents an alkyl group and Y represents an anion, and the preparation thereof by diazotizing p-aminobenzamidine and coupling the appropriate number of molecules of the diazonium salt with a phenanthridinium salt of the general formula <FORM:0834231/IV (b)/2> wherein one of R5 and R6 represents an amino group and the other a hydrogen atom or an amino group, or by diazotizing a phenanthridinium salt II and coupling the resulting diazonium salt with p-aminobenzamidine.  2,7 - Diamino - 10 - methyl - 9 - (4 - - nitrophenyl)-phenanthridinium hydroxide is prepared from the corresponding chloride by treatment with sodium hydroxide solution.
Patent GB-1375532-A (GB)
IPC: B29B9/16
Filed: 1972-02-29
Abstract: 1375532 Presses EXXON RESEARCH & ENG CO 29 Feb 1972 [8 March 1971] 9287/72 Heading B5F [Also in Division B8] A method of encapsulating compressible solid elastomeric material comprises: applying a coating of polyolefin to the interior wall of a baling zone, forming a body of the solid material in the baling zone and in one operation, applying mechanical pressure within the range 50-500 p.s.i.g. to the body for a time from 3-30 seconds under reduced pressure within the range 0À5-29 inches of mercury absolute in the zone while applying heat substantially only to the outer surfaces of the body sufficient to raise the temperature of the polyolefin above its melting point and form a film of polyolefin which encapsulates the body as the latter is reduced in volume and increased in density. As shown, aqueous slurry of butyl rubber is fed through filters 12 and a screw conveyer 14 to a drying system 15, a cooling system 16, conveyer 17, scales 18 and a hopper 19 from which particles of the rubber are discharged into a baler 20 provided with hydraulic mechanism 21 for compressing the contents of the baler against an hydraulically operated slidable cover 30. At the end of the compression period, the cover 30 is slid back and the bale thus formed is ejected through the top of the baler on to a discharge conveyer 23. The baler may be equipped with means for spraying the inner surfaces thereof and is provided with means for heating the inner surfaces and also reducing the pressure above the material in the baler. In the arrangement according to Fig. 3, the baler comprises a heating jacket 41 connected to heating fluid lines 42, 44; a pivoted and latchable cover 47 connected to a pressure reducing line 51 and a fluid pressure operated member 71, by means of which the interior zone 46 of the baler may be coated with a polyolefin suspension in solution ejected from nozzles 82 in the member 71 which is fed from a line 73. When coating is completed, the member 71 is lowered within a housing 62 and the zone closed off by a valve 68 in a piston 60 which is thereafter raised by fluid pressure to compress the material in the zone 46, simultaneously with heating of the walls of the zone by the jacket 41 and reduction of pressure above the material in the zone 46.
Patent GB-774830-A (GB)
Title: Improvements in or relating to electric control circuits
Inventor: RIDGERS CHARLES EDWARD SYDNEY
IPC: G05B11/01
Filed: 1955-03-30
Abstract: 774,830. Supply systems depending on the use of a plurality of sources. DECCA RECORD CO., Ltd. Nov. 10, 1955 [March 30, 1955], No. 9338/55. Class 38 (4). A circuit for the control of a high direct voltage, say for the reflector electrode of a klystron, comprises a potentiometer network 10-16 connected across a high voltage source B, E and of which the adjustable resistor 16 is at the earthed, or low potential, end of the network, there being a grid-controlled valve 18 in series with a load resistor 17 and a stabilized lower voltage source D, E connected in shunt across the potentiometer network with the grid of the valve energized from a point on the potentiometer network, so that the output voltage, which appears between terminals C, E, can be controlled by the resistor 16. Resistors 15, 16 may be remote from the rest of the apparatus, being connected to the other elements of the potentiometer by a single lead 30 and earth. The preset resistors 12, 14 determine the range of control provided by the adjustable resistor 16. A second valve 20 cathode-coupled to valve 18 and having an anode load 21, 22 equal to load resistor 17 may maintain the loading on the stabilized source constant as resistor 16 is varied. The second valve is biased over resistors 23, 24. A changeover switch 25, which permits the output terminal C to be connected to either of the two valves, provides for alternative output voltages for a given setting of resistor 16. The circuit shown is for controlling a voltage which is negative with respect to earth, but it may be re-arranged for controlling a positive voltage.
Patent GB-304514-A (GB)
Title: Improvements in and relating to windmills
IPC: F03D3/06
Filed: 1928-03-28
Abstract: 304,514. Chalice, L., and Chalice, E. L. March 28, 1928. Current motors; regulating.-In a windmill of the current motor type having feathering vanes the vanes 9, Fig. 1, are interconnected by members 10, 11, 12 so that they form, when all are closed, a more or less symmetrical drum. In the modification shown in Fig. 3 the vanes 9 are formed as sails the inner edges of which are connected by rings to rods 19 which have rollers 20 running on cross bars 13. At excessive speeds the rods 19 move outwards against the action of the springs 16 and the sails 9 are automatically furled.
Patent GB-420868-A (GB)
Title: Improvements in means for fastening and unfastening articles of apparel of all kindsand other materials for other purposes
IPC: A44B19/00
Filed: 1934-03-27
Abstract: 420,868. Sliding - clasp fastenings. BUTTERFIELD, H., 470, Highroad Well, Halifax, Yorkshire. March 27, 1934, No. 9510. [Class 44] [See also Group VII] A fastening device for articles of apparel, boots and shoes, or other materials required to be readily fastened and unfastened comprises fastener elements fixed on two stringer tapes and adapted to be brought into interlocking engagement by a slider moving thereover, which stringer tapes are laced to the boot flaps or other edges to be fastened. The stringers 1, 2 are fitted with lacing eyelets or hooks 5 and the topmost eyelets 6 may be so situated as to act as end stops for the slider 10. The stringers may be stiffened with insertion plates 14, 15 of a surface shape conforming to the shape of the article. The flaps to which the stringer tapes are laced may extend over and conceal the fastening elements. If the fastened edges are required to be completely separable the stringer tapes are respectively fitted with socket and plug end members, Figs. 15, 16; the plug member 24 after being threaded through the slider 27 and inserted in the socket member 26 is locked therein by an inwardly projecting pin 22 on a spring strip 20. The pin alternatively may be formed on a snap tab. The slider can be locked in any position by teeth on the usual pull tab engaging between the elements on the stringer tapes. The lowermost elements on the stringers may be cut away to permit entry of the plug 24. With the stringer tapes arranged beneath the flaps so as to be concealed a tabless slider is used having an apertured lug at the top end but not projecting above the front plate of the slider. This slider is secured by the lacing cord being threaded through the lug.
Patent GB-513127-A (GB)
Title: Improvements in method of and apparatus for building tires
IPC: B29D30/20
Filed: 1938-03-29
Abstract: 513,127. Pneumatic tyres. WINGFOOT CORPORATION, March 29, 1938, No. 9555. Convention date, May 13, 1937. [Class 144 (i)] Tyre-building apparatus comprises a series of building-drums A, B ..... J arranged within a circular track 21 along which move carriages 22, 23 from which the tyre components are taken by the operators at the various stations. The bias-cut fabric strips are supplied by a cutter 36 to trays 37, 38, and the beads, chafer and breaker strips, and tread are supplied from service stations around the track. In the arrangement shown, the various fabricating- operations are performed by nine operators who move from one drum to the next in a clockwise direction. Those operators who need fresh components move the carriages by hand into positions convenient for ready removal of the material. At predetermined time intervals, the carriages are advanced, in anti-clockwise direction, by means of lugs 35 on a chain 32 which is driven around the track 21 at uniform speed. The fabric components may be loaded on the carriages on festoon racks in the manner described in Specification 372,043. Specification 505,393 also is referred to.
Patent GB-350614-A (GB)
Title: Improvements in or relating to apparatus for entirely or partly opening or closing gaps or gateways in fences
IPC: E06B11/00
Filed: 1930-03-26
Abstract: 350,614. Gates; fastenings. STANLEY, F. W., Cotswold Park, Cirencester, Gloucestershire. March 26, 1930, No. 9662. [Class 45.] A collapsable gate comprises a number of rails 3 all, or as shown some, of which are pivoted at one end to a post 1, Fig. 3, so as to be able to be swung in vertical and horizontal planes whilst the other ends rest on supports 6 secured to another post 2, the rails resting between the post 2 and the cranked upper portions of the supports 6, Fig. 2. A latch 8 having an offset portion 9 is pivoted to each rail and, when the rail is horizontal, engages in a recess 13 formed in the post so as to prevent the rail from being lifted off its support until the latch is swung counterclockwise to clear the recess 13, its movement in this direction being limited by a stop 11 carried by a plate 10 secured to the rail. The plate is formed with another stop 12 for use when secured to the other side of the rail. After the rails have been raised from their supports they may be dropped so that their free ends rest on the ground. The dropped rails may also be swung sidewise so that, when all the rails are pivoted, an entirely unobstructed passageway may be provided. Alternatively only the lower rails may be dropped and swung clear so as to permit the passage of sheep whilst preventing the passage of cattle, or, as in the hunting gateway shown in Fig. 3, only the top rails may be dropped, a shackle 15 being provided in this construction which may be engaged by a huntsman's crop to facilitate replacement of the rails.
Patent GB-1145351-A (GB)
Title: Coke ground in a non-oxidizing atmosphere
Inventor: GOTSHALL WILLIAM WEIR
IPC: C09C1/44
Filed: 1966-03-04
Abstract: 1,145,351. Ground coke. MARATHON OIL CO. 4 March, 1966 [4 March, 1965], No. 9670/66. Heading C1A. [Also in Division B2] Finely divided carbon is produced by comminuting coke in an inert O 2 -free atmosphere, e.g. steam, N 2 , H 2 , He or Ar, to a weight average particle size of not over 2À5Á, and is immediately protected from oxidation, e.g. by coating. The coke may be fluid petroleum or delayed coke, preferably containing not more than 7% volatiles. Comminution may be effected in a fluid energy mill, e.g. using steam at a nozzle pressure of 100-500 p.s.i.g., to give a size distribution with at least 90% less than 5Á, at least 50% less than 1À5Á and at least 10% less than 0À5Á. The coating agent may be solid or liquid and should melt or evaporate during compounding of the carbon into plastics and rubber formulations; examples are zinc stearate, stearic acid, and primary amines. It may be added to the classifier of the mill in amounts of 0À1 to 1À0% by wt. of the carbon. (Examples of unsuitable grinding atmospheres are O 3 , NH 3 , HCl and N oxides.)
Patent GB-1021625-A (GB)
Title: Containers for transportation of road vehicles
Inventor: STABLEFORD CHARLES HENRY
IPC: B60P1/64
Filed: 1963-03-12
Abstract: 1,021,625. Unloading load-lot containers. WELFORD ENGINEERING (OLDBURY) Ltd. Feb. 28, 1964 [March 12, 1963], No. 9700/63. Heading B8E. A vehicle load-lot container 3 has a number of channel-shaped uprights 4 to which jacks 8 are secured by legs and links 5, 6 pivotally mounted on the body on axes parallel to its length. The jacks may be held in the supporting position shown in solid lines by the insertion of a releasable locking element 9 through bores in the uprights 4 and in the end of the links 6. When being transported the jacks are folded under the container and held in the dotted line position by locking elements passed through both bores of the uprights. The jacks may alternatively be operated by a manual or power-operated hydraulic pump.
Patent GB-278269-A (GB)
Title: Improvements relating to doors for gas retorts
IPC: C10B25/06
Filed: 1927-04-09
Abstract: 278,269. Haddan, R., (Stettiner Chamotte Akt.-Ges. vorm. Didier). April 9, 1927. Retort and like doors. -In a device for preventing leakage due to distortion of the frame of a coke-oven or retort door, a channelled frame d is secured to the wall a by bolts c. Pins e pass through holes in the outer wall d' and enter recesses in the inner wall d<2>, and a frame member f is movably mounted on these pins. The door i seats on the outer edge of the member f. The channel d contains a refractory filling, e.g., of chamotte mortar, which allows the part f such movement as to enable it to fit accurately against the door i, notwithstanding distortion of the frame d. The door is suspended from an adjustable bracket m by means of a pivot n.
Patent GB-330999-A (GB)
Title: Improvements in cartons for eggs and like commodities
IPC: B65D85/32
Filed: 1929-03-27
Abstract: 330,999. Benoit, L. March 27, 1929. Boxes made from special blanks; strengthening by corrugating; ventilating; fittings, internal.-A carton for eggs &c. comprises a base 5, Figs. 1 and 2, from the edges of which ends 9 and sides 4, 6 are folded up, a lid 7, 8 being integral with the side 6. Flaps 10 on the sides are folded over the ends, and ventilating windows 18 and strengthening corrugations 19 are also provided. A cellular filler is ar ranged within the carton consisting of a central longitudina partition 12 interlocking with a series of cross walls 14 which engage by means of portions 17 with hinged partitions 15 apertured at 16 and adapted to be moved to a vertical position so that the filler can be collapsed. In a modified form the end windows are formed by arranging the ends to extend only partially up towards the top of the carton, the spaces between the inner edges of the flaps 10 and the upper edges of the ends constituting the windows.
Patent GB-1490270-A (GB)
Title: Demister assembly for removing liquids from gases
IPC: B01D46/24
Filed: 1975-03-10
Abstract: 1490270 Demister PALL CORP 10 March 1975 [11 March 1974] 9931/75 Heading BIT [Also in Division Fl]  A demister for removing entrained liquid from a gas stream comprises an upstream coalescing layer 9 of non-woven fibres compressed between rigid sheets 3 and 7 to a density of 0.02 to 0.5 g/cc and having a fibre dia. of 0.25 to 30 microns and a downstream coalescing layer 11 of fibres or foamed polyurethane with 50-150 pores per square inch and preferably a density of 0.016-0.048 g/cc. As shown the layers are concentric, and the inner layer 9 and its supporting sheets are pleated and annular. Layer 9 may comprise any of a large range of fibres, particularly glass, and may be bonded with any of a wide range of resins or unbonded. Both layers are bonded to end caps 1, 2, the lower cap having drain holes for coalesced liquid. The sheets 3, 7 may be sintered metal, woven or sinter-bonded wire or plastics or perforate metal or plastics. Two layers of polyurethane 11, 12 are shown and are separated from outer metal sleeve 22 by a layer 30 of extruded polypropylene mesh. The demister is used to remove acid mists from gas or oil mist from air, either ejected from an air compressor circuit, a compressed air cylinder or from the air vent of an oil sump in a gas turbine (Fig. 3, not shown). In the latter case the air leaving the demister can be recycled through the turbine so that any re- ,maining oil vapour is burned up. Alternatively the air is cooled before entering the demister and discharged therefrom to atmosphere. Fig. 3 includes a heat exchange step and an array of cyclones in the main air intake. The coalescing layers in the demister have a sound attenuating effect which may be enhanced by additional layers, which may be similar in construction to the coalescing layers or composite or different. Coalescing layers could be flat or corrugated rather than concentric.
Patent GB-117294-A (GB)
Title: Improvements in Tap-filters.
Inventor: PINI HENRY JOSEPH
IPC: B01D35/04
Filed: 1917-07-10
Abstract: 117,294. Pini, H. J., and Shields, C. G. July 10, 1917. Tap filters.-In a tap filter of the kind in which a cylindrical block of carbon D is threaded on to a perforated tube C which is stopped at C<3>, the block is held against a lower plate F by a nut F<5>. An outer casing E is clamped between the lower plate and the tap nozzle B by screwing the tube C into the tap nozzle.
Patent GB-794512-A (GB)
Title: Improvements in or relating to refractory materials
IPC: C04B28/26
Filed: 1955-04-05
Abstract: A refractory ramming composition comprises a coarse fraction of a neutral or basic refractory, a fine fraction of a basic refractory and a binder of a powdered hydrated sodium silicate in which the weight ratio silica to sodia is 2-3 to 1 and the combined water approximately 20 per cent.  Coarse is defined as passing 1/4 in., retained on 30 B.S.S.; fine, as passing 30 B.S.S.  Specified coarse fractions are hard burned magnesia, chrome ore, serpentine or stabilized dolomite; fine fractions are hard burned magnesia or stabilized dolomite.  Preferred percentages are:-coarse: 30-80; fine: 20-70; and binder 2-6.