baber/WOPTO huggingface dataset:
Patent GB-788044-A (GB)
Title: Automatic electric circuit breaker
IPC: H01H71/16
Filed: 1956-05-29
Abstract: 788,044. Automatic circuit - breakers. SQUARE D CO. May 29, 1956 [June 9, 1955], No. 16525/56. Class 38 (5). A manually - operable automatic circuitbreaker comprises an operating lever 35 pivoted. at 38 and having a pair of limbs 36 with recesses 37 for the limbs of a contact-carrying lever 41. A spring 43 anchored between the latter and a normally-fixed lever 31 pivoted at 32, imparts a snap-action opening and closing movement to the contacts and holds the end 34 of lever 31 in engagement with the latch surface 25 of a trip assembly. The latter comprises a series bimetal strip 11 welded to a connector 4, a magnetic yoke 12 welded to the strip at 13, and an armature 17 pivoted on lugs 16 of the yoke 12. An extension 21 of the armature 17 fits into a spring 22 so as to bias the armature away from the yoke to the extent allowed by an ambient temperature compensating bimetal strip 23 which is welded to the armature 17 and engages a projection 15 of the yoke 12. One end of a braid 14 is welded between points 13 to the yoke 12 and strip 11 and carries current to the movable contact lever 41. Heating of the strip 11 moves the assembly 6 in an anti-clockwise direction and, at the set value, releases catch 34 from a window 18 in the armature 17. Under heavy current fault conditions the magnetic effect of the current in strip 11 attracts the armature 17 to yoke 12 and again releases the catch 34. The end of the bimetal strip 23 may be bent over at 25, into the window 18, to form a latching surface for the catch 34, or a latch piece 61 may be placed in the window 18, Fig. 5.
Patent GB-404333-A (GB)
Title: Process for the treatment of the reaction mixtures formed in the preparation of acetic anhydride by the thermal decomposition of acetic acid
IPC: C07C51/573
Filed: 1932-06-11
Abstract: Acetic anhydride is separated from the vapours produced by the thermal decomposition of acetic acid at ordinary or increased pressure, by passing the vapours under a diminished pressure or vacuum into an organic liquid immiscible with water which is a solvent for acetic anhydride and acetic acid and continuously removing the greater part of the water vapour by means of the vacuum so that the quantity of water in the condensate at any time is small. Suitable solvents are tetrahydronaphthalene and toluene.  The reaction vapours may be first cooled to about 200 DEG  C.; the pressure employed in the condenser may be 35 m.m. and the temperature of the solvent not above 50 DEG  C., for instance 28--30 DEG  C. Specifications 279,916 and 298,667, [both in Class 2 (iii), Dyes &c.], are referred to.
Patent GB-200332-A (GB)
Title: Improvements relating to mechanical stokers
IPC: F23J1/00
Filed: 1922-06-15
Abstract: 200,332. Wood, W. R. June 15, 1922. Grates; ash-pits.-Ashes are discharged at the rear of a furnace grate by a rotary perforated cylindrical roller a, Fig. 1, divided internally by radial partitions b into compartments, air being supplied through a box e in the furnace wall and port d to one or more compartments subtending that portion of the roller carrying ashes, &c., for consuming any fuel which may be discharged with the ashes. The roller may be adjusted to vary the discharge orifice between the roller and the bridge wall and also the crushing action of the roller. In the modification shown in Fig. 2, the crushing action of the roller may be varied by an adjustable hinged plate k or by adjusting the plummer-blocks h of the roller. Air is supplied to the ashes during discharge through the perforated front plate of a box n arranged above the hinged plate k.
Patent GB-1502306-A (GB)
Title: Container and a method for producing the same
IPC: B29D23/20
Filed: 1975-04-22
Abstract: 1502306 Portable containers; valved closures N B NILSON 22 April 1975 [26 April 1974] 16631/75 Headings B8D and B8T A deformable plastics tube has an end member which includes a discharge orifice, and is secured to the tube by an inturned flange 1<SP>1</SP> on the tube engaging an annular flange 15 on the end member. The tube 1 has a reduced portion 2 to facilitate the inward bending of the flange 1<SP>1</SP>. The maximum diameter of the flange 15 exceeds the inner diameter of the tube and a tool, Fig. 4, is provided to press the end member into the tube. The end member comprises a part 6 having radial spokes supporting a central part 10, Fig. 4, that closes an aperture 11, Fig. 4, in a diaphragm carried by a second part 7. A similar end member 21 may be secured to the other end of the tube but is arranged to admit air to the tube after squeezing the tube to expel some of the contents. If such an end member (21), Fig. 7 (not shown), is fitted a relatively rigid outer sleeve 24 can be fitted over the tube and carries openings (25), (26). (27), Fig. 7 (not shown), of different sizes so that different amounts of the content can be dispensed.
Patent GB-691301-A (GB)
Title: Improvements in or relating to retaining means for cone and socket joints
IPC: F16K5/08
Filed: 1949-06-23
Abstract: 691,301. Bayonet fastenings. EDWARDS & CO. (LONDON), Ltd., W., and MANSFIELD, E. J. Sept. 21, 1950 [June 23, 1949], No. 16653/49. Class 44 [Also in Group XXVIII] A clip for holding together two pipes or apparatus components, e.g., of glass, having complementary cone and socket j oint portions comprises a clip having a partcircular band engageable around one component and an abutment connected to the band by a resilient bent portion, the abutment having a helical surface, or a projection, engageable respectively with a projection, or helical surface, on the other component. As shown, the clip, preferably of sheet metal, comprises a circular band 11 clipping on the socket component 13 and a resilient portion 15 carrying a hook 12 fitting against the component 14 and having a helical edge 12a engaging a projection 14a. A rim 13a on the part 13 holds the clip in position axially, and relative rotation of the clip and part 14 adjusts the holding pressure. The ends 11a of the band 11 are bent outwardly to facilitate fixing of the clip in position, and the hook part 12 may comprise several helically extending surfaces engaging with a plurality of projections. In a modification the clip is made of spring wire and has two hook members engaging separate projections.
Patent GB-678481-A (GB)
Title: Improvements in rotary internal combustion engines
IPC: F02B53/00
Filed: 1950-07-04
Abstract: 678,481. Rotary internal-combustion engines. FAIRBAIRN, G. A. July 4, 1950 [Aug. 3, 1949], No. 16706/50. Class 110(ii) The engine comprises charging and power cylinders 22, 22<SP>1</SP>, rotary discs 21, 21<SP>1</SP> carrying pistons 26 which move around the cylinders and co-act with gaps 53, 54 in abutment discs 44, 45 which are driven by gearing 50, 49 from the main shaft 16. The discs 21, 21<SP>1</SP> have arcuate ports 42, 42<SP>1</SP> which control the flow of gas from the cylinder 22 to the spherical combustion chamber 27, via ports 35, 36 (see Fig. 11), and from the chamber 27 to the cylinder 22<SP>1</SP> via ports 37, 38. An annular flange 24 extends axially from each disc 21, 21<SP>1</SP> and is sealed by packing rings 25. A further flange 58, on each disc co-acts with a packing ring 59. Packing 40 is also provided. A cover plate 34 is removed to allow access to the chamber 27 and plug 32. The cylinders are provided with cooling fins, or water jackets may be provided. The number of combustion chambers and pistons may be increased.
Patent GB-1437579-A (GB)
Title: System for driving a pulse motor
IPC: H02P8/14
Filed: 1974-04-17
Abstract: 1437579 Stepping motor control FUJITSU Ltd and FUJITSU FANUC Ltd 17 April 1974 [26 April 1973 (2)] 16712/74 Heading H2J In order to achieve smooth movements at both low and high input pulse frequencies, a stepping motor is operated by trapezoidal current pulses with a low voltage source when the frequency of input command pulses is in a low range, and is operated with rectangular current pulses and both a high and a low voltage source when the frequency is in a high range. In the embodiment shown, command pulses P of variable frequency are applied both to a counter 8 and a frequency detecting circuit 17. The counter serves to provide 5 rectangular pulse outputs all of a pulse length equal to 5 command pulse periods and of a phase difference of two command pulse periods. The rest of the circuitry shown is repeated for each of 5 excitation coils of which a single coil 1 is shown. When the frequency is detected as being in the low range a zero signal is emitted at terminal T 1  of waveform generator 9 and a trapezoidal signal from terminal T 2 . Flip-flop 10 is thereby placed in a reset condition and transistor 2 held off. Transistor 3 is activated by the trapezoidal signal via amplifier 12 and similar shaped current pulses from the low voltage source V L  pass through the coil. When a frequency in the high range is detected, both terminals T 1 , T 2  give out coincident rectangular pulses which are also coincident with the output pulses from counter 8. Each pulse at T 1  sets the flip-flop 10 and turns on transistor 2, transistor 3 also being turned on. Current from both sources V L , V H  flows through winding 1 and rises to a value sufficient to reset flip-flop 10 through a corresponding voltage derived across feed-back resistor 4. The current pulse continues from source V L  only. Details of the component circuits of the boxes shown are provided.
Patent GB-840997-A (GB)
Title: Flexible submersible repeater for submarine cables
IPC: H02G15/14
Filed: 1958-05-27
Abstract: 840,997. Repeater housings. FELTEN & GUILLEAUME CARLSWERK A. G. May 27, 1958 [Nov. 5, 1957], No. 16826/58. Class 38(1). A flexible repeater for a submarine cable comprises a plurality of pressure-proof boxes 7, 8, 9 (Fig. 1) linked in a chain, the universal ball, and socket or chain joints 10, 11 between the boxes being torsionally rigid and designed to carry the tensile load on the cable and the cable armouring wires or central steel strain ropes being anchored in the repeater terminal boxes 7, 9. The terminal boxes have inner segmented cones 5b, 6b, the armouring wires being held between the segments which are inserted between individual wires, the cones co-operating with and being insulated from outer members 5a, 6a which are secured to the boxes and take up the tensile load. The cheek members 13, 14 (Fig. 2) of the universal joints are integral with end plates welded to the repeater housings at 15, 16, the four pivot pins, two of which 18, 19 are shown welded to 13, at 22, 23, being held in a core piece 17, Electrical connections between the repeater boxes are enclosed in flexible pressure-proof tubes 24 passing through holes with elliptical ends 28, 29 in member 17. The joints are enclosed by rubber socks 25 which may be filled with inert liquid or a plastically deformable mass. The entire repeater may be enclosed in plastic sheaths.
Patent GB-612780-A (GB)
Title: Improvements in or relating to stages for microscopes
IPC: G02B21/26
Filed: 1946-06-03
Abstract: 612,780. Microscopes. PYSER, C. S., and CHANDLER, E. June 3, 1946, Nos. 16836, 25668 and 25669. [Class 97 (i)] A microscope stage comprises a plate-like base for attachment to the microscope, a platelike carrier member operatively connected to the base by slides so that it is movable in the fore-and-aft direction by finger pressure, abutment means on the carrier for accommodating a specimen slip and preventing substantial movement thereof relative to the carrier in the fore-and-aft direction, while allowing sliding movement thereof in the orthogonal direction upon application of finger pressure. The stage, as shown in Fig. 1, comprises a plate 10 with a recess 11 accommodating an annular member 12, Fig. 5, which has an aperture 21 in register with apertures 22, 23 in the plate 10 and a specimen slip carrier 13 respectively. Member 12 is retained in the recess 11 by the contact of screws 19, 20 and a spring-urged plunger 26 with a bevelled surface 24 thereof, such means serving also to provide a centering adjustment. The carrier 13 is held on member 12 by screws 33, 34, the heads of which project into slots in the member 12 so that the carrier is slidable over member 12 a distance equal to the length of said slots ; keys as at 29 on member 12 also engage slots as at 31 in the carrier 13. In a recess underneath the carrier 13 is pivoted a lever 18, the end 18b of which is spring-urged into contact with one edge of the specimen slip 15, the other edge of which contacts the wall of a dovetail groove 14 on the carrier; the lever allows movement of the specimen slip in the direction of the groove only. Clamps 50, 51, slidable on studs projecting from the plate 10 and provided with tightening screws 52, 53 serve to attach the plate to the usual plain staga 45. In a modification, the carrier 13 is held on the plate 10 by spring plates so that it is slidable between upstanding projections thereon, the specimen slip being held in frictional engagement with projections on the carrier 13 by a spring-urged disc which is pivoted eccentrically thereon. A recess is 'provided between the carrier and the plate 10 to accommodate colour filters &c.
Patent GB-968628-A (GB)
Title: Improvements in or relating to pouring attachments for bottles
IPC: B65D47/24
Filed: 1962-05-02
Abstract: 968,628. Container closures. H. S. MATHIESON. May 2, 1963 [May 2, 1962], No. 16847/62. Heading B8T. A pouring spout for a bottle, held on the bottle neck by a U-shaped member 13 pivoted on a movable stirrup member 11, has liquid flow passages 25, 26 operable to the bottle interior when a part 16 of the spout is pressed against the action of a spring 21 to unseat a flange member 24 from a washer 27. The members 16, 24 and parts integral therewith are of synthetic plastics material; a cap 1 and the retaining members 11, 13 are of metal. The bottle may contain gasified liquids.
Patent GB-898571-A (GB)
Title: Improved locating or work holding devices
Inventor: LARRAD FREDERICK REGINALD
IPC: B23B31/16
Filed: 1959-05-19
Abstract: 898,571. Work-holders. LARRAD (HYDRAJAWS) Ltd. Sept. 21, 1959 [May 19, 1959], No. 16908/59. Class 83 (3). In a work-holder, the work is gripped by plungers operated through a closed hydraulic circuit when a piston or pistons is/are actuated by screw means. A mandrel comprises a body 1, Figs. 1, 3, having plungers 3 radially movable in bores 2, pressure being applied to these bores by preferably a number of pistons 15 which are axially moved in the body by a washer 19 on screwing a nut 21 on a stud 20. The pistons 15 compress fluid in the circuit 16, 17, 10, 9, and move plungers 3 to hold work 23, axial movement of the plungers being limited by plates 6. The plungers are retracted by springs 27 when nut 21 is released. Initial location of the work is by washers 24 screwed to body 1, the washers being subsequently removed if the work is to be machined internally. In a modification, piston 15 are replaced by one piston coaxial with the body, and the washers 24 actuate dished washers for initially locating the work. In a further modification, the work 73, Fig. 5, is held in a chuck 61 by plungers 65, and is initially centred by plates 74 secured to chuck 61. Plungers 65 are controlled through an hydraulic circuit 76, 69, 70, operated by pistons 75 axially movable by a screwed ring 71. The chuck 61 may be mounted on a face plate 79 for internal machining of the work.
Patent GB-258693-A (GB)
Title: Means for cutting flax or other fibrous material
IPC: D01B5/00
Filed: 1925-07-06
Abstract: 258,693. Pringle, A. July 6, 1925. Band-saw machines.-A band saw or knife for cutting flax or other fibrous material passes through a slot in a work table d which is inclined to the run of the blade as shown. The knife is driven by a treedle e acting through chain gear f, g, and a one-way clutch. The machine may be mounted on a cart.
Patent GB-379027-A (GB)
Title: Improvements in and relating to railway wagons
IPC: B61D9/02
Filed: 1931-06-15
Abstract: 379,027. Vehicles with removable bodies. BAILEY, D., Boyne Hill House, Chapelthorpe, and HARRISON, S., Cloverly, Horbury, both near Wakefield, Yorkshire. June 15, 1931, No. 17281. [Class 103 (iv).] Doors, wagon; tip wagons.-Containers are detachably mounted on railway underframes and arranged to tip to either side by means of pivot brackets on the' containers taking into socket brackets mounted on the underframe and provided with locking pins. One or more containers are mounted on a railway underframe by means of pivot brackets 3 adapted to pivot in socket brackets 4, 5 secured to the underframe and are adapted to be tipped to either side by releasing the appropriate pivot brackets. Tipping may be accomplished by means of a hand or mechanically operated lifting screw engaging a bracket 8 on the container. For discharging its contents into a vehicle or travelling conveyer situated alongside and at a lower level the container is provided with doors extending the length of the container and pivoted on brackets carried by the end walls. Fig. 3 shows an arrangement of doors for discharging the contents into bags &c. and comprises small doors 9 sliding vertically in guides 10 carried by larger sliding doors 11 means such as pivoted plate 13 and bracket 16 being provided for locking the two doors together so that they may be opened together if desired by means of cable 18 and handle 17.
Patent GB-984211-A (GB)
Title: Wreath
IPC: A41G1/00
Filed: 1961-05-11
Abstract: 984,211. Wreaths. C. A. BLUM. May 11, 1961 [March 7, 1961], No. 17283/61. Heading A1X. A wreath comprises a flexible spring wire 12 having free ends, said wire being coated substantially along its entire length with a sheath of plastic material 14 a plurality of pins 24 integral with said sheath, said pins extending in a direction substantially perpendictular to the longitudinal axis of said wire, at least one leaf 36 mounted on each pin and means for releasably connecting the free ends of the said wire whereby said wreath may be shaped and remain in the shape of an annulus. As shown in Fig. 2 one end 14<SP>1</SP> of the sheath is short of the end 16 of the wire, and the other end 14<SP>11</SP> extends beyond the spring wire 12, so that the end 16 of the wire may be inserted into the end 14<SP>11</SP> of the sheath in order to form the annular shape. The ends of the sheath may be reinforced by bead portions 20 and 22. The leaf or leaves may be mounted on a hub 26 provided with a bore 28 which fits on to the pin 24. Further hubs 48 may carry stems and berries 50 and 52: these hubs also fit on to pins 24. The sheath, pins, leaves and berries may be formed from a synthetic resin material such as polyethylene.
Patent GB-595539-A (GB)
Title: 1:4-dichloro- and 1:4-dibromo-2-butines
IPC: C07C17/16
Filed: 1945-07-06
Abstract: 1 : 4-Dichloro- and 1 : 4-dibromo-2-butines are prepared by treating 2-butine-1 : 4-diol with a halide or oxyhalide of sulphur or phosphorus, e.g. thionyl chloride, or the trichloride, tribromide, oxychloride or pentachloride of phosphorus, preferably by mixing the two reactants in an organic liquid, e.g. pyridine, benzene, toluene, ligroin or ether.  The 1 : 4-dichloro- or 1 : 4-dibromo-2-butine may be converted to 1 : 4-diiodo-2-butine by the action of alcoholic potassium iodide.  In examples, 1 : 4-dichloro-2-butine is prepared by reacting 2-butine-1 : 4-diol with: (1) thionyl chloride in a pyridine medium; (2), (3), (5) and (6) phosphorus trichloride, thionyl chloride, phosphorus oxychloride and phosphorus pentachloride in a benzene medium; and (7) sulphur monochloride in a pyridine and ether medium.  In example (4), 1 : 4-dibromo-2-butine is prepared by reacting 2-butine-1 : 4-diol with phosphorus tribromide in a benzene medium.
Patent GB-1106035-A (GB)
Title: Improvements in or relating to organoantimony compounds
Inventor: EVANS DAVID CHARLES
IPC: A01N55/02
Filed: 1965-04-23
Abstract: Organoantimony compounds for protecting a medium susceptible to attack by microorganisms comprise compounds of the general formula <FORM:1106035/C2/1> in which R is alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, X is a halide, a carboxylate, an alkoxide, an oxide, an hydroxide, a sulphide or a mercaptide, n is 1, 2 or 3 and a is the valency of X.  The R group can contain inert substituents, e.g. halogens.ALSO:A paper mill, or a plastic material resistant to growth thereon of microorganisms, e.g. Staph. aureus, A. aerogenes, P. aeruginosa, C. albicans, A. flavus and P. funiculosum is obtained by treatment with organoantimony compounds having the general formula <FORM:1106035/A5-A6/1> in in which R is alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, X is a halide, a carboxylate, an alkoxide, an oxide, an hydroxide, a sulphide, or a mercaptide, n is 1, 2 or 3 and a is the valence of X.  The R group can contain inert substituents, e.g. halogens, barriers such as talcs, clays, diatomaceous earth and flours may be used with the active composition or the composition may be dissolved or dispersed in a solvent.  The active composition may be formulated with other active materials, e.g. triorganotins, pentachlorophenol, copper-8-quinolinolate, bisphenols, o-phenylphenol and polybrominated salicylanilides.
Patent GB-429317-A (GB)
Title: Improvements in or relating to measuring and filling devices for powdery materials
IPC: G01F13/00
Filed: 1934-06-12
Abstract: 429,317. Packeting-machines. HESSER MASCHINENFABRIK AKT.-GES., F., 99, Olgastrasse, Bad Canstatt, Germany. June 12, 1934, No. 17325. Convention date, June 19, 1933. [Class 94 (i)] [See also Group II] In a measuring and filling device for powdery material &c. the material on its way from the feeding device to the measuring device is compressed to a substantially constant pressure and is conveyed to the measuring device out of contact with atmospheric air. As shown flour from an inlet 1 falls into a receptacle 2 and is swept by rotary arms 4, 5 through a shoot 8 to a conveyer worm 13 having a central stem of gradually increasing diameter and a double thread at the end to pack the flour and force it against a spring-controlled plate 14 in a chamber 12. The chamber is under a partial vacuum through pipe 25 and the flour falls through a shoot 30 to a closed funnel or hopper 31 and is discharged by a worm 35 into bags surrounding the nozzle 32. The nozzle outlet is provided with a perforated grate 40 which may be closed by a grate 51 attached by links to a weighted lever 68. The funnel 31 is provided with a stirring device 97, 98 and with a constant level device comprising a feeler 75 bearing on the top of the flour in the funnel and supporting a rod 76 pivoted to a system of levers connected to a band brake 96 controlling the movement of planet wheels 93, 94 mounted on a disc 92 rotatably mounted on the shaft of the worm 13, the planet wheels engaging with a gear wheel 95 fixed to the worm shaft. A cage 91 with internal teeth gears with the planet wheels 93, 94 and is driven from the shaft 85 by sprocket wheels 86, 87. The feed worm 13 is of greater capacity than the feed worm 35 and when the level of the flour rises in the funnel the member 75 rises and releases the brake band holding the disc 92 so that the worm 13 is stopped. When the level of the flour has fallen the feeler drops and the band brake is tightened. The feeler may operate a mercury switch to energize an electromagnet and raise the arm of the band brake to release the brake.